(feat) add machine category

app/controllers/api/availabilities_controller.rb

@@ -11,12 +11,12 @@ class API::AvailabilitiesController < API::ApiController
   def index
     authorize Availability
     display_window = window
-    @availabilities = Availability.includes(:machines, :tags, :trainings, :spaces)
-                                  .where('start_at >= ? AND end_at <= ?', display_window[:start], display_window[:end])
-
-    @availabilities = @availabilities.where.not(available_type: 'event') unless Setting.get('events_in_calendar')
-
-    @availabilities = @availabilities.where.not(available_type: 'space') unless Setting.get('spaces_module')
+    service = Availabilities::AvailabilitiesService.new(@current_user, 'availability')
+    machine_ids = params[:m] || []
+    @availabilities = service.index(display_window,
+                                    { machines: machine_ids, spaces: params[:s], trainings: params[:t] },
+                                    (params[:evt] && params[:evt] == 'true'))
+    @availabilities = filter_availabilites(@availabilities)
   end
 
   def public

app/controllers/api/machine_categories_controller.rb

@@ -0,0 +1,52 @@
+# frozen_string_literal: true
+
+# API Controller for resources of type Machine Category
+# Categories are used to classify Machine
+class API::MachineCategoriesController < API::ApiController
+  before_action :authenticate_user!, except: [:index]
+  before_action :set_machine_category, only: %i[show update destroy]
+
+  def index
+    @machine_categories = MachineCategory.all.order(name: :asc)
+  end
+
+  def show; end
+
+  def create
+    authorize MachineCategory
+    @machine_category = MachineCategory.new(machine_category_params)
+    if @machine_category.save
+      render :show, status: :created, location: @category
+    else
+      render json: @machine_category.errors, status: :unprocessable_entity
+    end
+  end
+
+  def update
+    authorize MachineCategory
+    if @machine_category.update(machine_category_params)
+      render :show, status: :ok, location: @category
+    else
+      render json: @machine_category.errors, status: :unprocessable_entity
+    end
+  end
+
+  def destroy
+    authorize MachineCategory
+    if @machine_category.destroy
+      head :no_content
+    else
+      render json: @machine_category.errors, status: :unprocessable_entity
+    end
+  end
+
+  private
+
+  def set_machine_category
+    @machine_category = MachineCategory.find(params[:id])
+  end
+
+  def machine_category_params
+    params.require(:machine_category).permit(:name, machine_ids: [])
+  end
+end

app/controllers/api/machines_controller.rb

@@ -49,7 +49,7 @@ class API::MachinesController < API::ApiController
   end
 
   def machine_params
-    params.require(:machine).permit(:name, :description, :spec, :disabled, :plan_ids,
+    params.require(:machine).permit(:name, :description, :spec, :disabled, :machine_category_id, :plan_ids,
                                     plan_ids: [], machine_image_attributes: [:attachment],
                                     machine_files_attributes: %i[id attachment _destroy])
   end

app/frontend/src/javascript/api/machine-category.ts

@@ -0,0 +1,25 @@
+import apiClient from './clients/api-client';
+import { AxiosResponse } from 'axios';
+import { MachineCategory } from '../models/machine-category';
+
+export default class MachineCategoryAPI {
+  static async index (): Promise<Array<MachineCategory>> {
+    const res: AxiosResponse<Array<MachineCategory>> = await apiClient.get('/api/machine_categories');
+    return res?.data;
+  }
+
+  static async create (category: MachineCategory): Promise<MachineCategory> {
+    const res: AxiosResponse<MachineCategory> = await apiClient.post('/api/machine_categories', { machine_category: category });
+    return res?.data;
+  }
+
+  static async update (category: MachineCategory): Promise<MachineCategory> {
+    const res: AxiosResponse<MachineCategory> = await apiClient.patch(`/api/machine_categories/${category.id}`, { machine_category: category });
+    return res?.data;
+  }
+
+  static async destroy (categoryId: number): Promise<void> {
+    const res: AxiosResponse<void> = await apiClient.delete(`/api/machine_categories/${categoryId}`);
+    return res?.data;
+  }
+}

app/frontend/src/javascript/components/machines/delete-machine-category-modal.tsx

@@ -0,0 +1,43 @@
+import React from 'react';
+import { useTranslation } from 'react-i18next';
+import { FabModal } from '../base/fab-modal';
+import MachineCategoryAPI from '../../api/machine-category';
+
+interface DeleteMachineCategoryModalProps {
+  isOpen: boolean,
+  machineCategoryId: number,
+  toggleModal: () => void,
+  onSuccess: (message: string) => void,
+  onError: (message: string) => void,
+}
+
+/**
+ * Modal dialog to remove a requested machine category
+ */
+export const DeleteMachineCategoryModal: React.FC<DeleteMachineCategoryModalProps> = ({ isOpen, toggleModal, onSuccess, machineCategoryId, onError }) => {
+  const { t } = useTranslation('admin');
+
+  /**
+   * The user has confirmed the deletion of the requested machine category
+   */
+  const handleDeleteMachineCategory = async (): Promise<void> => {
+    try {
+      await MachineCategoryAPI.destroy(machineCategoryId);
+      onSuccess(t('app.admin.machines.delete_machine_category_modal.deleted'));
+    } catch (e) {
+      onError(t('app.admin.machines.delete_machine_category_modal.unable_to_delete') + e);
+    }
+  };
+
+  return (
+    <FabModal title={t('app.admin.machines.delete_machine_category_modal.confirmation_required')}
+      isOpen={isOpen}
+      toggleModal={toggleModal}
+      closeButton={true}
+      confirmButton={t('app.admin.machines.delete_machine_category_modal.confirm')}
+      onConfirm={handleDeleteMachineCategory}
+      className="delete-machine-category-modal">
+      <p>{t('app.admin.machines.delete_machine_category_modal.confirm_machine_category')}</p>
+    </FabModal>
+  );
+};

app/frontend/src/javascript/components/machines/machine-categories-list.tsx

@@ -0,0 +1,178 @@
+import React, { useEffect, useState } from 'react';
+import { MachineCategory } from '../../models/machine-category';
+import { Machine } from '../../models/machine';
+import { IApplication } from '../../models/application';
+import { react2angular } from 'react2angular';
+import { Loader } from '../base/loader';
+import MachineCategoryAPI from '../../api/machine-category';
+import MachineAPI from '../../api/machine';
+import { useTranslation } from 'react-i18next';
+import { FabButton } from '../base/fab-button';
+import { MachineCategoryModal } from './machine-category-modal';
+import { DeleteMachineCategoryModal } from './delete-machine-category-modal';
+
+declare const Application: IApplication;
+
+interface MachineCategoriesListProps {
+  onError: (message: string) => void,
+  onSuccess: (message: string) => void,
+}
+
+/**
+ * This component shows a list of all machines and allows filtering on that list.
+ */
+export const MachineCategoriesList: React.FC<MachineCategoriesListProps> = ({ onError, onSuccess }) => {
+  const { t } = useTranslation('admin');
+
+  // shown machine categories
+  const [machineCategories, setMachineCategories] = useState<Array<MachineCategory>>([]);
+  // all machines, for assign to category
+  const [machines, setMachines] = useState<Array<Machine>>([]);
+  // creation/edition modal
+  const [modalIsOpen, setModalIsOpen] = useState<boolean>(false);
+  // currently added/edited category
+  const [machineCategory, setMachineCategory] = useState<MachineCategory>(null);
+  // deletion modal
+  const [destroyModalIsOpen, setDestroyModalIsOpen] = useState<boolean>(false);
+  // currently deleted machine category
+  const [machineCategoryId, setMachineCategoryId] = useState<number>(null);
+
+  // retrieve the full list of machine categories on component mount
+  useEffect(() => {
+    MachineCategoryAPI.index()
+      .then(data => setMachineCategories(data))
+      .catch(e => onError(e));
+    MachineAPI.index()
+      .then(data => setMachines(data))
+      .catch(e => onError(e));
+  }, []);
+
+  /**
+   * Toggle the modal dialog to create/edit a machine category
+   */
+  const toggleCreateAndEditModal = (): void => {
+    setModalIsOpen(!modalIsOpen);
+  };
+
+  /**
+   * Callback triggred when the current machine category was successfully saved
+   */
+  const onSaveTypeSuccess = (message: string): void => {
+    setModalIsOpen(false);
+    MachineCategoryAPI.index().then(data => {
+      setMachineCategories(data);
+      onSuccess(message);
+    }).catch((error) => {
+      onError('Unable to load machine categories' + error);
+    });
+  };
+
+  /**
+   * Init the process of creating a new machine category
+   */
+  const addMachineCategory = (): void => {
+    setMachineCategory({} as MachineCategory);
+    setModalIsOpen(true);
+  };
+
+  /**
+   * Init the process of editing the given machine category
+   */
+  const editMachineCategory = (category: MachineCategory): () => void => {
+    return (): void => {
+      setMachineCategory(category);
+      setModalIsOpen(true);
+    };
+  };
+
+  /**
+   * Init the process of deleting a machine category (ask for confirmation)
+   */
+  const destroyMachineCategory = (id: number): () => void => {
+    return (): void => {
+      setMachineCategoryId(id);
+      setDestroyModalIsOpen(true);
+    };
+  };
+
+  /**
+   * Open/closes the confirmation before deletion modal
+   */
+  const toggleDestroyModal = (): void => {
+    setDestroyModalIsOpen(!destroyModalIsOpen);
+  };
+
+  /**
+   * Callback triggred when the current machine category was successfully deleted
+   */
+  const onDestroySuccess = (message: string): void => {
+    setDestroyModalIsOpen(false);
+    MachineCategoryAPI.index().then(data => {
+      setMachineCategories(data);
+      onSuccess(message);
+    }).catch((error) => {
+      onError('Unable to load machine categories' + error);
+    });
+  };
+
+  return (
+    <div className="machine-categories-list">
+      <h3 className="machines-categories">{t('app.admin.machine_categories_list.machine_categories')}</h3>
+      <FabButton onClick={addMachineCategory} className="is-secondary" >{t('app.admin.machine_categories_list.add_a_machine_category')}</FabButton>
+      <MachineCategoryModal isOpen={modalIsOpen}
+                            machines={machines}
+                            machineCategory={machineCategory}
+                            toggleModal={toggleCreateAndEditModal}
+                            onSuccess={onSaveTypeSuccess}
+                            onError={onError} />
+      <DeleteMachineCategoryModal isOpen={destroyModalIsOpen}
+                                  machineCategoryId={machineCategoryId}
+                                  toggleModal={toggleDestroyModal}
+                                  onSuccess={onDestroySuccess}
+                                  onError={onError}/>
+      <table className="machine-categories-table">
+        <thead>
+          <tr>
+            <th style={{ width: '50%' }}>{t('app.admin.machine_categories_list.name')}</th>
+            <th style={{ width: '30%' }}>{t('app.admin.machine_categories_list.machines_number')}</th>
+            <th style={{ width: '20%' }}></th>
+          </tr>
+        </thead>
+        <tbody>
+          {machineCategories.map(category => {
+            return (
+              <tr key={category.id}>
+                <td>
+                  <span>{category.name}</span>
+                </td>
+                <td>
+                  <span>{category.machine_ids.length}</span>
+                </td>
+                <td>
+                  <div className="buttons">
+                    <FabButton className="edit-btn" onClick={editMachineCategory(category)}>
+                      <i className="fa fa-edit" /> {t('app.admin.machine_categories_list.edit')}
+                    </FabButton>
+                    <FabButton className="delete-btn" onClick={destroyMachineCategory(category.id)}>
+                      <i className="fa fa-trash" />
+                    </FabButton>
+                  </div>
+                </td>
+              </tr>
+            );
+          })}
+        </tbody>
+      </table>
+    </div>
+  );
+};
+
+const MachineCategoriesListWrapper: React.FC<MachineCategoriesListProps> = (props) => {
+  return (
+    <Loader>
+      <MachineCategoriesList {...props} />
+    </Loader>
+  );
+};
+
+Application.Components.component('machineCategoriesList', react2angular(MachineCategoriesListWrapper, ['onError', 'onSuccess']));

app/frontend/src/javascript/components/machines/machine-category-form.tsx

@@ -0,0 +1,65 @@
+import React from 'react';
+import { useTranslation } from 'react-i18next';
+import { SubmitHandler, useForm } from 'react-hook-form';
+import { FormInput } from '../form/form-input';
+import { FormChecklist } from '../form/form-checklist';
+import { MachineCategory } from '../../models/machine-category';
+import { FabButton } from '../base/fab-button';
+import { Machine } from '../../models/machine';
+import { SelectOption } from '../../models/select';
+
+interface MachineCategoryFormProps {
+  machines: Array<Machine>,
+  machineCategory?: MachineCategory,
+  saveMachineCategory: (data: MachineCategory) => void,
+}
+
+/**
+ * Form to set create/edit machine category
+ */
+export const MachineCategoryForm: React.FC<MachineCategoryFormProps> = ({ machines, machineCategory, saveMachineCategory }) => {
+  const { t } = useTranslation('admin');
+
+  const { handleSubmit, register, control, formState } = useForm<MachineCategory>({ defaultValues: { ...machineCategory } });
+
+  /**
+   * Convert all machines to the checklist format
+   */
+  const buildOptions = (): Array<SelectOption<number>> => {
+    return machines.map(t => {
+      return { value: t.id, label: t.name };
+    });
+  };
+
+  /**
+   * Callback triggered when the form is submitted: process with the machine category creation or update.
+   */
+  const onSubmit: SubmitHandler<MachineCategory> = (data: MachineCategory) => {
+    saveMachineCategory(data);
+  };
+
+  return (
+    <div className="machine-category-form">
+      <form name="machineCategoryForm" onSubmit={handleSubmit(onSubmit)}>
+        <FormInput id="name"
+                  register={register}
+                  rules={{ required: true }}
+                  formState={formState}
+                  label={t('app.admin.machine_category_form.name')}
+                  />
+        <div>
+          <h4>{t('app.admin.machine_category_form.assigning_machines')}</h4>
+          <FormChecklist options={buildOptions()}
+                          control={control}
+                          id="machine_ids"
+                          formState={formState} />
+        </div>
+        <div className="main-actions">
+          <FabButton type="submit">
+            {t('app.admin.machine_category_form.save')}
+          </FabButton>
+        </div>
+      </form>
+    </div>
+  );
+};

app/frontend/src/javascript/components/machines/machine-category-modal.tsx

@@ -0,0 +1,54 @@
+import React from 'react';
+import { useTranslation } from 'react-i18next';
+import { FabModal, ModalSize } from '../base/fab-modal';
+import { MachineCategory } from '../../models/machine-category';
+import { Machine } from '../../models/machine';
+import MachineCategoryAPI from '../../api/machine-category';
+import { MachineCategoryForm } from './machine-category-form';
+
+interface MachineCategoryModalProps {
+  isOpen: boolean,
+  toggleModal: () => void,
+  onSuccess: (message: string) => void,
+  onError: (message: string) => void,
+  machines: Array<Machine>,
+  machineCategory?: MachineCategory,
+}
+
+/**
+ * Modal dialog to create/edit a machine category
+ */
+export const MachineCategoryModal: React.FC<MachineCategoryModalProps> = ({ isOpen, toggleModal, onSuccess, onError, machines, machineCategory }) => {
+  const { t } = useTranslation('admin');
+
+  /**
+   * Save the current machine category to the API
+   */
+  const handleSaveMachineCategory = async (data: MachineCategory): Promise<void> => {
+    try {
+      if (machineCategory?.id) {
+        await MachineCategoryAPI.update(data);
+        onSuccess(t('app.admin.machine_category_modal.successfully_updated'));
+      } else {
+        await MachineCategoryAPI.create(data);
+        onSuccess(t('app.admin.machine_category_modal.successfully_created'));
+      }
+    } catch (e) {
+      if (machineCategory?.id) {
+        onError(t('app.admin.machine_category_modal.unable_to_update') + e);
+      } else {
+        onError(t('app.admin.machine_category_modal.unable_to_create') + e);
+      }
+    }
+  };
+
+  return (
+    <FabModal title={t(`app.admin.machine_category_modal.${machineCategory?.id ? 'edit' : 'new'}_machine_category`)}
+      width={ModalSize.large}
+      isOpen={isOpen}
+      toggleModal={toggleModal}
+      closeButton={false}>
+      <MachineCategoryForm machineCategory={machineCategory} machines={machines} saveMachineCategory={handleSaveMachineCategory}/>
+    </FabModal>
+  );
+};

app/frontend/src/javascript/components/machines/machine-form.tsx

@@ -1,4 +1,4 @@
-import React from 'react';
+import React, { useEffect, useState } from 'react';
 import { SubmitHandler, useForm, useWatch } from 'react-hook-form';
 import { Machine } from '../../models/machine';
 import MachineAPI from '../../api/machine';
@@ -11,6 +11,10 @@ import { react2angular } from 'react2angular';
 import { ErrorBoundary } from '../base/error-boundary';
 import { FormRichText } from '../form/form-rich-text';
 import { FormSwitch } from '../form/form-switch';
+import { FormSelect } from '../form/form-select';
+import { SelectOption } from '../../models/select';
+import MachineCategoryAPI from '../../api/machine-category';
+import { MachineCategory } from '../../models/machine-category';
 
 declare const Application: IApplication;
 
@@ -29,6 +33,15 @@ export const MachineForm: React.FC<MachineFormProps> = ({ action, machine, onErr
   const output = useWatch<Machine>({ control });
   const { t } = useTranslation('admin');
 
+  const [machineCategories, setMachineCategories] = useState<Array<MachineCategory>>([]);
+
+  // retrieve the full list of machine categories on component mount
+  useEffect(() => {
+    MachineCategoryAPI.index()
+      .then(data => setMachineCategories(data))
+      .catch(e => onError(e));
+  }, []);
+
   /**
    * Callback triggered when the user validates the machine form: handle create or update
    */
@@ -40,6 +53,15 @@ export const MachineForm: React.FC<MachineFormProps> = ({ action, machine, onErr
     });
   };
 
+  /**
+   * Convert all machine categories to the select format
+   */
+  const buildOptions = (): Array<SelectOption<number>> => {
+    return machineCategories.map(t => {
+      return { value: t.id, label: t.name };
+    });
+  };
+
   return (
     <form className="machine-form" onSubmit={handleSubmit(onSubmit)}>
       <FormInput register={register} id="name"
@@ -67,6 +89,11 @@ export const MachineForm: React.FC<MachineFormProps> = ({ action, machine, onErr
                     label={t('app.admin.machine_form.technical_specifications')}
                     limit={null}
                     heading bulletList blockquote link video image />
+      <FormSelect options={buildOptions()}
+                  control={control}
+                  id="machine_category_id"
+                  formState={formState}
+                  label={t('app.admin.machine_form.assigning_machine_to_category')} />
 
       <FormSwitch control={control}
                   id="disabled"

app/frontend/src/javascript/components/machines/machines-filters.tsx

@@ -2,18 +2,21 @@ import React from 'react';
 import Select from 'react-select';
 import { useTranslation } from 'react-i18next';
 import { SelectOption } from '../../models/select';
+import { MachineCategory } from '../../models/machine-category';
 
 interface MachinesFiltersProps {
-  onStatusSelected: (enabled: boolean) => void,
+  onFilterChangedBy: (type: string, value: number | boolean | void) => void,
+  machineCategories: Array<MachineCategory>,
 }
 
 /**
  * Allows filtering on machines list
  */
-export const MachinesFilters: React.FC<MachinesFiltersProps> = ({ onStatusSelected }) => {
+export const MachinesFilters: React.FC<MachinesFiltersProps> = ({ onFilterChangedBy, machineCategories }) => {
   const { t } = useTranslation('public');
 
   const defaultValue = { value: true, label: t('app.public.machines_filters.status_enabled') };
+  const categoryDefaultValue = { value: null, label: t('app.public.machines_filters.all_machines') };
 
   /**
    * Provides boolean options in the react-select format (yes/no/all)
@@ -26,16 +29,33 @@ export const MachinesFilters: React.FC<MachinesFiltersProps> = ({ onStatusSelect
     ];
   };
 
+  /**
+   * Provides categories options in the react-select format
+   */
+  const buildCategoriesOptions = (): Array<SelectOption<number|void>> => {
+    const options = machineCategories.map(c => {
+      return { value: c.id, label: c.name };
+    });
+    return [categoryDefaultValue].concat(options);
+  };
+
   /**
    * Callback triggered when the user selects a machine status in the dropdown list
    */
   const handleStatusSelected = (option: SelectOption<boolean>): void => {
-    onStatusSelected(option.value);
+    onFilterChangedBy('status', option.value);
+  };
+
+  /**
+   * Callback triggered when the user selects a machine category in the dropdown list
+   */
+  const handleCategorySelected = (option: SelectOption<number>): void => {
+    onFilterChangedBy('category', option.value);
   };
 
   return (
     <div className="machines-filters">
-      <div className="status-filter">
+      <div className="filter-item">
         <label htmlFor="status">{t('app.public.machines_filters.show_machines')}</label>
         <Select defaultValue={defaultValue}
           id="status"
@@ -43,6 +63,16 @@ export const MachinesFilters: React.FC<MachinesFiltersProps> = ({ onStatusSelect
           onChange={handleStatusSelected}
           options={buildBooleanOptions()}/>
       </div>
+      {machineCategories.length > 0 &&
+        <div className="filter-item">
+          <label htmlFor="category">{t('app.public.machines_filters.filter_by_machine_category')}</label>
+          <Select defaultValue={categoryDefaultValue}
+            id="machine_category"
+            className="category-select"
+            onChange={handleCategorySelected}
+            options={buildCategoriesOptions()}/>
+        </div>
+      }
     </div>
   );
 };

app/frontend/src/javascript/components/machines/machines-list.tsx

@@ -1,9 +1,11 @@
 import React, { useEffect, useState } from 'react';
-import { Machine } from '../../models/machine';
+import { Machine, MachineListFilter } from '../../models/machine';
 import { IApplication } from '../../models/application';
 import { react2angular } from 'react2angular';
 import { Loader } from '../base/loader';
 import MachineAPI from '../../api/machine';
+import MachineCategoryAPI from '../../api/machine-category';
+import { MachineCategory } from '../../models/machine-category';
 import { MachineCard } from './machine-card';
 import { MachinesFilters } from './machines-filters';
 import { User } from '../../models/user';
@@ -32,31 +34,65 @@ export const MachinesList: React.FC<MachinesListProps> = ({ onError, onSuccess,
   const [machines, setMachines] = useState<Array<Machine>>(null);
   // we keep the full list of machines, for filtering
   const [allMachines, setAllMachines] = useState<Array<Machine>>(null);
+  // shown machine categories
+  const [machineCategories, setMachineCategories] = useState<Array<MachineCategory>>([]);
+  // machine list filter
+  const [filter, setFilter] = useState<MachineListFilter>({
+    status: true,
+    category: null
+  });
 
   // retrieve the full list of machines on component mount
   useEffect(() => {
     MachineAPI.index()
       .then(data => setAllMachines(data))
       .catch(e => onError(e));
+    MachineCategoryAPI.index()
+      .then(data => setMachineCategories(data))
+      .catch(e => onError(e));
   }, []);
 
   // filter the machines shown when the full list was retrieved
   useEffect(() => {
-    handleFilterByStatus(true);
+    handleFilter();
   }, [allMachines]);
 
-  /**
-   * Callback triggered when the user changes the status filter.
-   * Set the 'machines' state to a filtered list, depending on the provided parameter.
-   * @param status, true = enabled machines, false = disabled machines, null = all machines
-   */
-  const handleFilterByStatus = (status: boolean): void => {
-    if (!allMachines) return;
-    if (status === null) return setMachines(allMachines);
+  // filter the machines shown when the filter was changed
+  useEffect(() => {
+    handleFilter();
+  }, [filter]);
 
-    // enabled machines may have the m.disabled property null (for never disabled machines)
-    // or false (for re-enabled machines)
-    setMachines(allMachines.filter(m => !!m.disabled === !status));
+  /**
+   * Callback triggered when the user changes the filter.
+   * filter the machines shown when the filter was changed.
+   */
+  const handleFilter = (): void => {
+    let machinesFiltered = [];
+    if (allMachines) {
+      if (filter.status === null) {
+        machinesFiltered = allMachines;
+      } else {
+        // enabled machines may have the m.disabled property null (for never disabled machines)
+        // or false (for re-enabled machines)
+        machinesFiltered = allMachines.filter(m => !!m.disabled === !filter.status);
+      }
+      if (filter.category !== null) {
+        machinesFiltered = machinesFiltered.filter(m => m.machine_category_id === filter.category);
+      }
+    }
+    setMachines(machinesFiltered);
+  };
+
+  /**
+   * Callback triggered when the user changes the filter.
+   * @param type, status, category
+   * @param value, status and category value
+   */
+  const handleFilterChangedBy = (type: string, value: number | boolean | void) => {
+    setFilter({
+      ...filter,
+      [type]: value
+    });
   };
 
   /**
@@ -69,7 +105,7 @@ export const MachinesList: React.FC<MachinesListProps> = ({ onError, onSuccess,
   // TODO: Conditionally display the store ad
   return (
     <div className="machines-list">
-      <MachinesFilters onStatusSelected={handleFilterByStatus} />
+      <MachinesFilters onFilterChangedBy={handleFilterChangedBy} machineCategories={machineCategories}/>
       <div className="all-machines">
         {false &&
           <div className='store-ad' onClick={() => linkToStore}>

app/frontend/src/javascript/controllers/admin/calendar.js

@@ -18,9 +18,15 @@
  * Controller used in the calendar management page
  */
 
-Application.Controllers.controller('AdminCalendarController', ['$scope', '$state', '$uibModal', 'moment', 'AuthService', 'Availability', 'SlotsReservation', 'Setting', 'Export', 'growl', 'dialogs', 'bookingWindowStart', 'bookingWindowEnd', 'machinesPromise', 'plansPromise', 'groupsPromise', 'settingsPromise', '_t', 'uiCalendarConfig', 'CalendarConfig', 'Member', 'uiTourService',
-  function ($scope, $state, $uibModal, moment, AuthService, Availability, SlotsReservation, Setting, Export, growl, dialogs, bookingWindowStart, bookingWindowEnd, machinesPromise, plansPromise, groupsPromise, settingsPromise, _t, uiCalendarConfig, CalendarConfig, Member, uiTourService) {
+Application.Controllers.controller('AdminCalendarController', ['$scope', '$state', '$uibModal', 'moment', 'AuthService', 'Availability', 'SlotsReservation', 'Setting', 'Export', 'growl', 'dialogs', 'bookingWindowStart', 'bookingWindowEnd', 'machinesPromise', 'plansPromise', 'groupsPromise', 'settingsPromise', '_t', 'uiCalendarConfig', 'CalendarConfig', 'Member', 'uiTourService', 'trainingsPromise', 'spacesPromise', 'machineCategoriesPromise', '$aside',
+  function ($scope, $state, $uibModal, moment, AuthService, Availability, SlotsReservation, Setting, Export, growl, dialogs, bookingWindowStart, bookingWindowEnd, machinesPromise, plansPromise, groupsPromise, settingsPromise, _t, uiCalendarConfig, CalendarConfig, Member, uiTourService, trainingsPromise, spacesPromise, machineCategoriesPromise, $aside) {
     /* PRIVATE STATIC CONSTANTS */
+    machinesPromise.forEach(m => m.checked = true);
+    trainingsPromise.forEach(t => t.checked = true);
+    spacesPromise.forEach(s => s.checked = true);
+
+    // check all formation/machine is select in filter
+    const isSelectAll = (type, scope) => scope[type].length === scope[type].filter(t => t.checked).length;
 
     // The calendar is divided in slots of 30 minutes
     const BASE_SLOT = '00:30:00';
@@ -33,9 +39,21 @@ Application.Controllers.controller('AdminCalendarController', ['$scope', '$state
 
     /* PUBLIC SCOPE */
 
+    // List of trainings
+    $scope.trainings = trainingsPromise.filter(t => !t.disabled);
+
     // list of the FabLab machines
     $scope.machines = machinesPromise;
 
+    // List of machine categories
+    $scope.machineCategories = machineCategoriesPromise;
+
+    // List of machines group by category
+    $scope.machinesGroupByCategory = [];
+
+    // List of spaces
+    $scope.spaces = spacesPromise.filter(t => !t.disabled);
+
     // currently selected availability
     $scope.availability = null;
 
@@ -45,12 +63,6 @@ Application.Controllers.controller('AdminCalendarController', ['$scope', '$state
     // Should we show the scheduled events in the calendar?
     $scope.eventsInCalendar = (settingsPromise.events_in_calendar === 'true');
 
-    // bind the availabilities slots with full-Calendar events
-    $scope.eventSources = [{
-      url: '/api/availabilities',
-      textColor: 'black'
-    }];
-
     // fullCalendar (v2) configuration
     $scope.calendarConfig = CalendarConfig({
       slotDuration: BASE_SLOT,
@@ -356,12 +368,132 @@ Application.Controllers.controller('AdminCalendarController', ['$scope', '$state
       }
     };
 
+    // filter availabilities if have change
+    $scope.filterAvailabilities = function (filter, scope) {
+      if (!scope) { scope = $scope; }
+      scope.filter = ($scope.filter = {
+        trainings: isSelectAll('trainings', scope),
+        machines: isSelectAll('machines', scope),
+        spaces: isSelectAll('spaces', scope),
+        evt: filter.evt,
+        dispo: filter.dispo
+      });
+      scope.machinesGroupByCategory.forEach(c => c.checked = _.every(c.machines, 'checked'));
+      // remove all
+      $scope.eventSources.splice(0, $scope.eventSources.length);
+      // recreate source for trainings/machines/events with new filters
+      $scope.eventSources.push({
+        url: availabilitySourceUrl(),
+        textColor: 'black'
+      });
+      uiCalendarConfig.calendars.calendar.fullCalendar('refetchEvents');
+    };
+
+    // a variable for formation/machine/event/dispo checkbox is or not checked
+    $scope.filter = {
+      trainings: isSelectAll('trainings', $scope),
+      machines: isSelectAll('machines', $scope),
+      spaces: isSelectAll('spaces', $scope),
+      evt: true,
+      dispo: true
+    };
+
+    // toggle to select all formation/machine
+    $scope.toggleFilter = function (type, filter, machineCategoryId) {
+      if (type === 'machineCategory') {
+        const category = _.find($scope.machinesGroupByCategory, (c) => (c.id).toString() === machineCategoryId);
+        if (category) {
+          category.machines.forEach(m => m.checked = category.checked);
+        }
+        filter.machines = isSelectAll('machines', $scope);
+      } else {
+        $scope[type].forEach(t => t.checked = filter[type]);
+        if (type === 'machines') {
+          $scope.machinesGroupByCategory.forEach(t => t.checked = filter[type]);
+        }
+      }
+      $scope.filterAvailabilities(filter, $scope);
+    };
+
+    $scope.openFilterAside = () =>
+      $aside.open({
+        templateUrl: '/calendar/filterAside.html',
+        placement: 'right',
+        size: 'md',
+        backdrop: false,
+        resolve: {
+          trainings () {
+            return $scope.trainings;
+          },
+          machines () {
+            return $scope.machines;
+          },
+          machinesGroupByCategory () {
+            return $scope.machinesGroupByCategory;
+          },
+          spaces () {
+            return $scope.spaces;
+          },
+          filter () {
+            return $scope.filter;
+          },
+          toggleFilter () {
+            return $scope.toggleFilter;
+          },
+          filterAvailabilities () {
+            return $scope.filterAvailabilities;
+          }
+        },
+        controller: ['$scope', '$uibModalInstance', 'trainings', 'machines', 'machinesGroupByCategory', 'spaces', 'filter', 'toggleFilter', 'filterAvailabilities', function ($scope, $uibModalInstance, trainings, machines, machinesGroupByCategory, spaces, filter, toggleFilter, filterAvailabilities) {
+          $scope.trainings = trainings;
+          $scope.machines = machines;
+          $scope.machinesGroupByCategory = machinesGroupByCategory;
+          $scope.hasMachineCategory = _.some(machines, 'machine_category_id');
+          $scope.spaces = spaces;
+          $scope.filter = filter;
+
+          $scope.toggleFilter = (type, filter, machineCategoryId) => toggleFilter(type, filter, machineCategoryId);
+
+          $scope.filterAvailabilities = filter => filterAvailabilities(filter, $scope);
+
+          return $scope.close = function (e) {
+            $uibModalInstance.dismiss();
+            return e.stopPropagation();
+          };
+        }]
+      });
+
     /* PRIVATE SCOPE */
+    const getFilter = function () {
+      const t = $scope.trainings.filter(t => t.checked).map(t => t.id);
+      const m = $scope.machines.filter(m => m.checked).map(m => m.id);
+      const s = $scope.spaces.filter(s => s.checked).map(s => s.id);
+      return { t, m, s, evt: $scope.filter.evt, dispo: $scope.filter.dispo };
+    };
+
+    const availabilitySourceUrl = () => `/api/availabilities?${$.param(getFilter())}`;
 
     /**
      * Kind of constructor: these actions will be realized first when the controller is loaded
      */
-    const initialize = function () {};
+    const initialize = function () {
+      // bind the availabilities slots with full-Calendar events
+      $scope.eventSources = [{
+        url: availabilitySourceUrl(),
+        textColor: 'black'
+      }];
+      // group machines by category
+      _.forIn(_.groupBy($scope.machines, 'machine_category_id'), (ms, categoryId) => {
+        const category = _.find($scope.machineCategories, (c) => (c.id).toString() === categoryId);
+        $scope.machinesGroupByCategory.push({
+          id: categoryId,
+          name: category ? category.name : _t('app.shared.machine.machine_uncategorized'),
+          checked: true,
+          machine_ids: category ? category.machine_ids : [],
+          machines: ms
+        });
+      });
+    };
 
     /**
      * Return an enumerable meaninful string for the gender of the provider user

app/frontend/src/javascript/controllers/admin/machines.js

@@ -0,0 +1,152 @@
+/* eslint-disable
+    no-return-assign,
+    no-undef,
+*/
+'use strict';
+
+Application.Controllers.controller('AdminMachinesController', ['$scope', 'CSRF', 'growl', '$state', '_t', 'AuthService', 'settingsPromise', 'Member', 'uiTourService', 'machinesPromise', 'helpers',
+  function ($scope, CSRF, growl, $state, _t, AuthService, settingsPromise, Member, uiTourService, machinesPromise, helpers) {
+    /* PUBLIC SCOPE */
+
+    // default tab: machines list
+    $scope.tabs = { active: 0 };
+
+    // the application global settings
+    $scope.settings = settingsPromise;
+
+    /**
+     * Redirect the user to the machine details page
+     */
+    $scope.showMachine = function (machine) { $state.go('app.public.machines_show', { id: machine.slug }); };
+
+    /**
+     * Shows an error message forwarded from a child component
+     */
+    $scope.onError = function (message) {
+      growl.error(message);
+    };
+
+    /**
+     * Shows a success message forwarded from a child react components
+     */
+    $scope.onSuccess = function (message) {
+      growl.success(message);
+    };
+
+    /**
+     * Open the modal dialog to log the user and resolves the returned promise when the logging process
+     * was successfully completed.
+     */
+    $scope.onLoginRequest = function (e) {
+      return new Promise((resolve, _reject) => {
+        $scope.login(e, resolve);
+      });
+    };
+
+    /**
+     * Redirect the user to the training reservation page
+     */
+    $scope.onEnrollRequest = function (trainingId) {
+      $state.go('app.logged.trainings_reserve', { id: trainingId });
+    };
+
+    /**
+     * Callback to book a reservation for the current machine
+     */
+    $scope.reserveMachine = function (machine) {
+      $state.go('app.logged.machines_reserve', { id: machine.slug });
+    };
+
+    $scope.canProposePacks = function () {
+      return AuthService.isAuthorized(['admin', 'manager']) || !helpers.isUserValidationRequired($scope.settings, 'pack') || (helpers.isUserValidationRequired($scope.settings, 'pack') && helpers.isUserValidated($scope.currentUser));
+    };
+
+    /**
+     * Setup the feature-tour for the machines page. (admins only)
+     * This is intended as a contextual help (when pressing F1)
+     */
+    $scope.setupMachinesTour = function () {
+      // setup the tour for admins only
+      if (AuthService.isAuthorized(['admin', 'manager'])) {
+        // get the tour defined by the ui-tour directive
+        const uitour = uiTourService.getTourByName('machines');
+        if (AuthService.isAuthorized('admin')) {
+          uitour.createStep({
+            selector: 'body',
+            stepId: 'welcome',
+            order: 0,
+            title: _t('app.public.tour.machines.welcome.title'),
+            content: _t('app.public.tour.machines.welcome.content'),
+            placement: 'bottom',
+            orphan: true
+          });
+          if (machinesPromise.length > 0) {
+            uitour.createStep({
+              selector: '.machines-list .show-button',
+              stepId: 'view',
+              order: 1,
+              title: _t('app.public.tour.machines.view.title'),
+              content: _t('app.public.tour.machines.view.content'),
+              placement: 'top'
+            });
+          }
+        } else {
+          uitour.createStep({
+            selector: 'body',
+            stepId: 'welcome_manager',
+            order: 0,
+            title: _t('app.public.tour.machines.welcome_manager.title'),
+            content: _t('app.public.tour.machines.welcome_manager.content'),
+            placement: 'bottom',
+            orphan: true
+          });
+        }
+        if (machinesPromise.length > 0) {
+          uitour.createStep({
+            selector: '.machines-list .reserve-button',
+            stepId: 'reserve',
+            order: 2,
+            title: _t('app.public.tour.machines.reserve.title'),
+            content: _t('app.public.tour.machines.reserve.content'),
+            placement: 'top'
+          });
+        }
+        uitour.createStep({
+          selector: 'body',
+          stepId: 'conclusion',
+          order: 3,
+          title: _t('app.public.tour.conclusion.title'),
+          content: _t('app.public.tour.conclusion.content'),
+          placement: 'bottom',
+          orphan: true
+        });
+        // on tour end, save the status in database
+        uitour.on('ended', function () {
+          if (uitour.getStatus() === uitour.Status.ON && $scope.currentUser.profile_attributes.tours.indexOf('machines') < 0) {
+            Member.completeTour({ id: $scope.currentUser.id }, { tour: 'machines' }, function (res) {
+              $scope.currentUser.profile_attributes.tours = res.tours;
+            });
+          }
+        });
+        // if the user has never seen the tour, show him now
+        if (settingsPromise.feature_tour_display !== 'manual' && $scope.currentUser.profile_attributes.tours.indexOf('machines') < 0) {
+          uitour.start();
+        }
+      }
+    };
+
+    /* PRIVATE SCOPE */
+
+    /**
+     * Kind of constructor: these actions will be realized first when the controller is loaded
+     */
+    const initialize = function () {
+      // set the authenticity tokens in the forms
+      CSRF.setMetaTags();
+    };
+
+    // init the controller (call at the end !)
+    return initialize();
+  }
+
+]);

app/frontend/src/javascript/controllers/calendar.js

@@ -16,8 +16,8 @@
  * Controller used in the public calendar global
  */
 
-Application.Controllers.controller('CalendarController', ['$scope', '$state', '$aside', 'moment', 'Availability', 'Setting', 'growl', 'dialogs', 'bookingWindowStart', 'bookingWindowEnd', '_t', 'uiCalendarConfig', 'CalendarConfig', 'trainingsPromise', 'machinesPromise', 'spacesPromise', 'iCalendarPromise',
-  function ($scope, $state, $aside, moment, Availability, Setting, growl, dialogs, bookingWindowStart, bookingWindowEnd, _t, uiCalendarConfig, CalendarConfig, trainingsPromise, machinesPromise, spacesPromise, iCalendarPromise) {
+Application.Controllers.controller('CalendarController', ['$scope', '$state', '$aside', 'moment', 'Availability', 'Setting', 'growl', 'dialogs', 'bookingWindowStart', 'bookingWindowEnd', '_t', 'uiCalendarConfig', 'CalendarConfig', 'trainingsPromise', 'machinesPromise', 'spacesPromise', 'iCalendarPromise', 'machineCategoriesPromise',
+  function ($scope, $state, $aside, moment, Availability, Setting, growl, dialogs, bookingWindowStart, bookingWindowEnd, _t, uiCalendarConfig, CalendarConfig, trainingsPromise, machinesPromise, spacesPromise, iCalendarPromise, machineCategoriesPromise) {
   /* PRIVATE STATIC CONSTANTS */
     let currentMachineEvent = null;
     machinesPromise.forEach(m => m.checked = true);
@@ -35,6 +35,12 @@ Application.Controllers.controller('CalendarController', ['$scope', '$state', '$
     // List of machines
     $scope.machines = machinesPromise.filter(t => !t.disabled);
 
+    // List of machine categories
+    $scope.machineCategories = machineCategoriesPromise;
+
+    // List of machines group by category
+    $scope.machinesGroupByCategory = [];
+
     // List of spaces
     $scope.spaces = spacesPromise.filter(t => !t.disabled);
 
@@ -55,6 +61,7 @@ Application.Controllers.controller('CalendarController', ['$scope', '$state', '$
         evt: filter.evt,
         dispo: filter.dispo
       });
+      scope.machinesGroupByCategory.forEach(c => c.checked = _.every(c.machines, 'checked'));
       // remove all
       $scope.eventSources.splice(0, $scope.eventSources.length);
       // recreate source for trainings/machines/events with new filters
@@ -104,8 +111,19 @@ Application.Controllers.controller('CalendarController', ['$scope', '$state', '$
     };
 
     // toggle to select all formation/machine
-    $scope.toggleFilter = function (type, filter) {
-      $scope[type].forEach(t => t.checked = filter[type]);
+    $scope.toggleFilter = function (type, filter, machineCategoryId) {
+      if (type === 'machineCategory') {
+        const category = _.find($scope.machinesGroupByCategory, (c) => (c.id).toString() === machineCategoryId);
+        if (category) {
+          category.machines.forEach(m => m.checked = category.checked);
+        }
+        filter.machines = isSelectAll('machines', $scope);
+      } else {
+        $scope[type].forEach(t => t.checked = filter[type]);
+        if (type === 'machines') {
+          $scope.machinesGroupByCategory.forEach(t => t.checked = filter[type]);
+        }
+      }
       $scope.filterAvailabilities(filter, $scope);
     };
 
@@ -122,6 +140,9 @@ Application.Controllers.controller('CalendarController', ['$scope', '$state', '$
           machines () {
             return $scope.machines;
           },
+          machinesGroupByCategory () {
+            return $scope.machinesGroupByCategory;
+          },
           spaces () {
             return $scope.spaces;
           },
@@ -138,14 +159,16 @@ Application.Controllers.controller('CalendarController', ['$scope', '$state', '$
             return $scope.filterAvailabilities;
           }
         },
-        controller: ['$scope', '$uibModalInstance', 'trainings', 'machines', 'spaces', 'externals', 'filter', 'toggleFilter', 'filterAvailabilities', function ($scope, $uibModalInstance, trainings, machines, spaces, externals, filter, toggleFilter, filterAvailabilities) {
+        controller: ['$scope', '$uibModalInstance', 'trainings', 'machines', 'machinesGroupByCategory', 'spaces', 'externals', 'filter', 'toggleFilter', 'filterAvailabilities', function ($scope, $uibModalInstance, trainings, machines, machinesGroupByCategory, spaces, externals, filter, toggleFilter, filterAvailabilities) {
           $scope.trainings = trainings;
           $scope.machines = machines;
+          $scope.machinesGroupByCategory = machinesGroupByCategory;
+          $scope.hasMachineCategory = _.some(machines, 'machine_category_id');
           $scope.spaces = spaces;
           $scope.externals = externals;
           $scope.filter = filter;
 
-          $scope.toggleFilter = (type, filter) => toggleFilter(type, filter);
+          $scope.toggleFilter = (type, filter, machineCategoryId) => toggleFilter(type, filter, machineCategoryId);
 
           $scope.filterAvailabilities = filter => filterAvailabilities(filter, $scope);
 
@@ -196,6 +219,18 @@ Application.Controllers.controller('CalendarController', ['$scope', '$state', '$
           });
         }
       });
+
+      // group machines by category
+      _.forIn(_.groupBy($scope.machines, 'machine_category_id'), (ms, categoryId) => {
+        const category = _.find($scope.machineCategories, (c) => (c.id).toString() === categoryId);
+        $scope.machinesGroupByCategory.push({
+          id: categoryId,
+          name: category ? category.name : _t('app.shared.machine.machine_uncategorized'),
+          checked: true,
+          machine_ids: category ? category.machine_ids : [],
+          machines: ms
+        });
+      });
     };
 
     /**

app/frontend/src/javascript/controllers/machines.js.erb

@@ -252,8 +252,8 @@ Application.Controllers.controller('NewMachineController', ['$scope', '$state',
 /**
  * Controller used in the machine edition page (admin)
  */
-Application.Controllers.controller('EditMachineController', ['$scope', '$state', '$transition$', 'machinePromise', 'CSRF',
-  function ($scope, $state, $transition$, machinePromise, CSRF) {
+Application.Controllers.controller('EditMachineController', ['$scope', '$state', '$transition$', 'machinePromise', 'machineCategoriesPromise', 'CSRF',
+  function ($scope, $state, $transition$, machinePromise, machineCategoriesPromise, CSRF) {
   /* PUBLIC SCOPE */
 
     // API URL where the form will be posted
@@ -265,6 +265,9 @@ Application.Controllers.controller('EditMachineController', ['$scope', '$state',
     // Retrieve the details for the machine id in the URL, if an error occurs redirect the user to the machines list
     $scope.machine = cleanMachine(machinePromise);
 
+    // Retrieve all machine categories
+    $scope.machineCategories = machineCategoriesPromise;
+
     /**
      * Shows an error message forwarded from a child component
      */

app/frontend/src/javascript/controllers/main_nav.js

@@ -99,7 +99,7 @@ Application.Controllers.controller('MainNavController', ['$scope', 'settingsProm
       authorizedRoles: ['admin', 'manager']
     },
     $scope.$root.modules.machines && {
-      state: 'app.public.machines_list',
+      state: 'app.admin.machines_list',
       linkText: 'app.public.common.manage_the_machines',
       linkIcon: 'cogs',
       authorizedRoles: ['admin', 'manager']

app/frontend/src/javascript/models/machine-category.ts

@@ -0,0 +1,5 @@
+export interface MachineCategory {
+  id?: number,
+  name: string,
+  machine_ids: Array<number>,
+}

app/frontend/src/javascript/models/machine.ts

@@ -5,6 +5,11 @@ export interface MachineIndexFilter extends ApiFilter {
   disabled: boolean,
 }
 
+export interface MachineListFilter {
+  status: boolean | void,
+  category: number | void,
+}
+
 export interface Machine {
   id?: number,
   name: string,
@@ -31,5 +36,6 @@ export interface Machine {
     id: number,
     name: string,
     slug: string,
-  }>
+  }>,
+  machine_category_id: number | void
 }

app/frontend/src/javascript/router.js

@@ -359,6 +359,20 @@ angular.module('application.router', ['ui.router'])
           settingsPromise: ['Setting', function (Setting) { return Setting.query({ names: "['feature_tour_display', 'user_validation_required', 'user_validation_required_list']" }).$promise; }]
         }
       })
+      .state('app.admin.machines_list', {
+        url: '/admin/machines',
+        abstract: !Fablab.machinesModule,
+        views: {
+          'main@': {
+            templateUrl: '/admin/machines/index.html',
+            controller: 'AdminMachinesController'
+          }
+        },
+        resolve: {
+          machinesPromise: ['Machine', function (Machine) { return Machine.query().$promise; }],
+          settingsPromise: ['Setting', function (Setting) { return Setting.query({ names: "['feature_tour_display', 'user_validation_required', 'user_validation_required_list']" }).$promise; }]
+        }
+      })
       .state('app.admin.machines_new', {
         url: '/machines/new',
         abstract: !Fablab.machinesModule,
@@ -414,7 +428,8 @@ angular.module('application.router', ['ui.router'])
           }
         },
         resolve: {
-          machinePromise: ['Machine', '$transition$', function (Machine, $transition$) { return Machine.get({ id: $transition$.params().id }).$promise; }]
+          machinePromise: ['Machine', '$transition$', function (Machine, $transition$) { return Machine.get({ id: $transition$.params().id }).$promise; }],
+          machineCategoriesPromise: ['MachineCategory', function (MachineCategory) { return MachineCategory.query().$promise; }]
         }
       })
 
@@ -620,7 +635,8 @@ angular.module('application.router', ['ui.router'])
           trainingsPromise: ['Training', function (Training) { return Training.query().$promise; }],
           machinesPromise: ['Machine', function (Machine) { return Machine.query().$promise; }],
           spacesPromise: ['Space', function (Space) { return Space.query().$promise; }],
-          iCalendarPromise: ['ICalendar', function (ICalendar) { return ICalendar.query().$promise; }]
+          iCalendarPromise: ['ICalendar', function (ICalendar) { return ICalendar.query().$promise; }],
+          machineCategoriesPromise: ['MachineCategory', function (MachineCategory) { return MachineCategory.query().$promise; }]
         }
       })
 
@@ -687,7 +703,10 @@ angular.module('application.router', ['ui.router'])
           machinesPromise: ['Machine', function (Machine) { return Machine.query().$promise; }],
           plansPromise: ['Plan', function (Plan) { return Plan.query().$promise; }],
           groupsPromise: ['Group', function (Group) { return Group.query().$promise; }],
-          settingsPromise: ['Setting', function (Setting) { return Setting.query({ names: "['slot_duration', 'events_in_calendar', 'feature_tour_display']" }).$promise; }]
+          settingsPromise: ['Setting', function (Setting) { return Setting.query({ names: "['slot_duration', 'events_in_calendar', 'feature_tour_display']" }).$promise; }],
+          trainingsPromise: ['Training', function (Training) { return Training.query().$promise; }],
+          spacesPromise: ['Space', function (Space) { return Space.query().$promise; }],
+          machineCategoriesPromise: ['MachineCategory', function (MachineCategory) { return MachineCategory.query().$promise; }]
         }
       })
       .state('app.admin.calendar.icalendar', {

app/frontend/src/javascript/services/machine_category.js

@@ -0,0 +1,11 @@
+'use strict';
+
+Application.Services.factory('MachineCategory', ['$resource', function ($resource) {
+  return $resource('/api/machine_categories/:id',
+    { id: '@id' }, {
+      update: {
+        method: 'PUT'
+      }
+    }
+  );
+}]);

app/frontend/src/stylesheets/app.utilities.scss

@@ -458,6 +458,11 @@ p, .widget p {
 .p-l {
   padding: 16px;
 }
+
+.p-l-sm {
+  padding-left: 10px;
+}
+
 .p-h-0 {
   padding-left: 0;
   padding-right: 0;

app/frontend/src/stylesheets/application.scss

@@ -55,6 +55,7 @@
 @import "modules/machines/machines-filters";
 @import "modules/machines/machines-list";
 @import "modules/machines/required-training-modal";
+@import "modules/machines/machine-categories";
 @import "modules/payment-schedule/payment-schedule-dashboard";
 @import "modules/payment-schedule/payment-schedule-summary";
 @import "modules/payment-schedule/payment-schedules-list";

app/frontend/src/stylesheets/modules/calendar/calendar.scss

@@ -7,6 +7,9 @@
       justify-content: space-between;
       align-items: center;
       flex-wrap: wrap-reverse;
+      .calendar-actions {
+        display: flex;
+      }
     }
     &-info {
       display: contents;

app/frontend/src/stylesheets/modules/machines/machine-categories.scss

@@ -0,0 +1,61 @@
+.machine-categories-list {
+  .buttons {
+    display: flex;
+    justify-content: flex-end;
+    align-items: center;
+    button {
+      border-radius: 5;
+      &:hover { opacity: 0.75; }
+    }
+    .edit-btn {
+      color: var(--gray-hard-darkest);
+      margin-right: 10px;
+    }
+    .delete-btn {
+      color: var(--gray-soft-lightest);
+      background: var(--main);
+    }
+  }
+
+  .machine-categories-table {
+    width: 100%;
+    max-width: 100%;
+    margin-bottom: 24px;
+    border-collapse: collapse;
+    border-spacing: 0;
+    & thead:first-child > tr:first-child > th {
+      border-top: 0;
+    }
+    & thead > tr > th {
+      vertical-align: bottom;
+      border-bottom: 2px solid #ddd;
+    }
+    & th {
+      text-align: left;
+    }
+    & thead > tr > th, & tbody > tr > td {
+      padding: 8px;
+      line-height: 1.5;
+      vertical-align: top;
+      border-top: 1px solid #ddd;
+    }
+  }
+}
+
+.machine-category-form {
+  .form-checklist {
+    .actions {
+      align-self: flex-start;
+      margin: 1rem 0;
+    }
+    .checklist {
+      display: grid;
+      grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
+      gap: 0.3rem 3.2rem;
+    }
+  }
+
+  .main-actions {
+    align-self: flex-end;
+  }
+}

app/frontend/src/stylesheets/modules/machines/machines-filters.scss

@@ -1,9 +1,14 @@
 .machines-filters {
-  margin: 1.5em;
+  margin: 1.5em 0;
+  display: flex;
+  justify-content: space-between;
 
-  .status-filter {
+  .filter-item {
+    &:first-child {
+      padding-right: 20px;
+    }
     & {
-      display: inline-flex;
+      display: block;
       width: 50%;
     }
     & > label {
@@ -13,18 +18,18 @@
     & > * {
       display: inline-block;
     }
-    .status-select {
+    .status-select, .category-select {
       width: 100%;
-      margin-left: 10px;
     }
   }
 }
 
 @media screen and (max-width: 720px){
   .machines-filters {
-    .status-filter {
-      padding-right: 0;
-      display: inline-block;
+    display: block;
+    .filter-item {
+      padding-right: 0 !important;
+      display: block;
       width: 100%;
     }
   }

app/frontend/src/stylesheets/modules/machines/machines-list.scss

@@ -1,9 +1,9 @@
-.machines-list { 
+.machines-list {
   .all-machines {
     max-width: 1600px;
     margin: 0 auto;
     display: grid;
-    grid-template-columns: repeat(auto-fit, minmax(340px, 1fr));
+    grid-template-columns: repeat(auto-fill, minmax(340px, 1fr));
     gap: 3.2rem;
 
     .store-ad {

app/frontend/templates/admin/calendar/calendar.html

@@ -41,17 +41,22 @@
         <span class="calendar-legend-item text-sm border-event" ng-show="eventsInCalendar" translate>{{ 'app.admin.calendar.events' }}</span>
       </div>
     </div>
-    <div ng-show="isAuthorized('admin')">
-      <a class="btn btn-default export-xls-button"
-        ng-href="api/availabilities/export_index.xlsx"
-        target="export-frame"
-        ng-click="alertExport('index')"
-        uib-popover="{{ 'app.admin.calendar.availabilities_notice' | translate}}"
-        popover-trigger="mouseenter"
-        popover-placement="bottom-left">
-        <i class="fa fa-file-excel-o"></i> {{ 'app.admin.calendar.availabilities' | translate }}
-      </a>
-      <iframe name="export-frame" height="0" width="0" class="none"></iframe>
+    <div class="calendar-actions">
+      <div ng-show="isAuthorized('admin')">
+        <a class="btn btn-default export-xls-button"
+          ng-href="api/availabilities/export_index.xlsx"
+          target="export-frame"
+          ng-click="alertExport('index')"
+          uib-popover="{{ 'app.admin.calendar.availabilities_notice' | translate}}"
+          popover-trigger="mouseenter"
+          popover-placement="bottom-left">
+          <i class="fa fa-file-excel-o"></i> {{ 'app.admin.calendar.availabilities' | translate }}
+        </a>
+        <iframe name="export-frame" height="0" width="0" class="none"></iframe>
+      </div>
+      <button type="button" class="btn btn-default m-l" ng-click="openFilterAside()">
+        <span class="fa fa-filter"></span> {{ 'app.shared.calendar.filter_calendar' | translate }}
+      </button>
     </div>
   </div>
   <div class="col-12">

app/frontend/templates/admin/machines/categories.html

@@ -0,0 +1,7 @@
+<div class="m-t">
+  <machine-categories-list
+      on-error="onError"
+      on-success="onSuccess"
+      >
+  <machine-categories-list />
+</div>

app/frontend/templates/admin/machines/index.html

@@ -0,0 +1,33 @@
+<div class="header-page">
+  <div class="back">
+    <a ng-click="backPrevLocation($event)"><i class="fas fa-long-arrow-alt-left "></i></a>
+  </div>
+
+  <div class="center">
+    <h1 translate>{{ 'app.admin.machines.the_fablab_s_machines' }}</h1>
+  </div>
+</div>
+
+<section class="m-lg admin-machines-manage">
+  <div class="row">
+
+    <div>
+      <uib-tabset justified="true" active="tabs.active">
+
+        <uib-tab heading="{{ 'app.admin.machines.all_machines' | translate }}" index="0" select="selectTab()">
+          <div ng-if="tabs.active === 0">
+            <ng-include src="'/admin/machines/machines.html'"></ng-include>
+          </div>
+        </uib-tab>
+
+        <uib-tab heading="{{ 'app.admin.machines.manage_machines_categories' | translate }}" index="1" select="selectTab()">
+          <div ng-if="tabs.active === 1">
+            <ng-include src="'/admin/machines/categories.html'"></ng-include>
+          </div>
+        </uib-tab>
+
+      </uib-tabset>
+    </div>
+
+  </div>
+</section>

app/frontend/templates/admin/machines/machines.html

@@ -0,0 +1,19 @@
+<section class="m-lg"
+         ui-tour="machines"
+         ui-tour-backdrop="true"
+         ui-tour-template-url="'/shared/tour-step-template.html'"
+         ui-tour-use-hotkeys="true"
+         ui-tour-scroll-parent-id="content-main"
+         post-render="setupMachinesTour">
+
+  <machines-list user="currentUser"
+                 on-error="onError"
+                 on-success="onSuccess"
+                 on-show-machine="showMachine"
+                 on-reserve-machine="reserveMachine"
+                 on-login-requested="onLoginRequest"
+                 on-enroll-requested="onEnrollRequest"
+                 can-propose-packs="canProposePacks()">
+  </machines-list>
+
+</section>

app/frontend/templates/calendar/calendar.html

@@ -14,7 +14,7 @@
     <div class="col-xs-12 col-sm-12 col-md-3 b-t hide-b-md">
       <div class="heading-actions wrapper">
         <button type="button" class="btn btn-default m-t m-b" ng-click="openFilterAside()">
-          <span class="fa fa-filter"></span> {{ 'app.public.calendar.filter_calendar' | translate }}
+          <span class="fa fa-filter"></span> {{ 'app.shared.calendar.filter_calendar' | translate }}
         </button>
       </div>
     </div>

app/frontend/templates/calendar/filter.html

@@ -1,6 +1,10 @@
+<div class="m-b row">
+  <h3 class="col-md-11 col-sm-11 col-xs-11 text-black" translate>{{ 'app.shared.calendar.show_unavailables' }}</h3>
+  <input class="col-md-1 col-sm-1 col-xs-1" type="checkbox" ng-model="filter.dispo" ng-change="filterAvailabilities(filter)">
+</div>
 <div>
   <div class="row">
-    <h3 class="col-md-11 col-sm-11 col-xs-11 text-purple" translate>{{ 'app.public.calendar.trainings' }}</h3>
+    <h3 class="col-md-11 col-sm-11 col-xs-11 text-purple" translate>{{ 'app.shared.calendar.trainings' }}</h3>
     <input class="col-md-1 col-sm-1 col-xs-1" type="checkbox" ng-model="filter.trainings" ng-change="toggleFilter('trainings', filter)">
   </div>
   <div ng-repeat="t in trainings" class="row">
@@ -10,17 +14,27 @@
 </div>
 <div class="m-t">
   <div class="row">
-    <h3 class="col-md-11 col-sm-11 col-xs-11 text-beige" translate>{{ 'app.public.calendar.machines' }}</h3>
+    <h3 class="col-md-11 col-sm-11 col-xs-11 text-beige" translate>{{ 'app.shared.calendar.machines' }}</h3>
     <input class="col-md-1 col-sm-1 col-xs-1" type="checkbox" ng-model="filter.machines" ng-change="toggleFilter('machines', filter)">
   </div>
-  <div ng-repeat="m in machines" class="row">
+  <div ng-if="!hasMachineCategory" ng-repeat="m in machines" class="row">
     <span class="col-md-11 col-sm-11 col-xs-11">{{::m.name}}</span>
     <input class="col-md-1 col-sm-1 col-xs-1" type="checkbox" ng-model="m.checked" ng-change="filterAvailabilities(filter)">
   </div>
+  <div ng-if="hasMachineCategory" ng-repeat="category in machinesGroupByCategory" class="row">
+    <span class="col-md-11 col-sm-11 col-xs-11">{{::category.name}}</span>
+    <input class="col-md-1 col-sm-1 col-xs-1" type="checkbox" ng-model="category.checked" ng-change="toggleFilter('machineCategory', filter, category.id)">
+    <div ng-repeat="m in category.machines" class="col-md-12">
+      <div class="row p-l-sm">
+        <span class="col-md-11 col-sm-11 col-xs-11">{{::m.name}}</span>
+        <input class="col-md-1 col-sm-1 col-xs-1" type="checkbox" ng-model="m.checked" ng-change="filterAvailabilities(filter)">
+      </div>
+    </div>
+  </div>
 </div>
 <div class="m-t" ng-show="$root.modules.spaces">
   <div class="row">
-    <h3 class="col-md-11 col-sm-11 col-xs-11 text-cyan" translate>{{ 'app.public.calendar.spaces' }}</h3>
+    <h3 class="col-md-11 col-sm-11 col-xs-11 text-cyan" translate>{{ 'app.shared.calendar.spaces' }}</h3>
     <input class="col-md-1 col-sm-1 col-xs-1" type="checkbox" ng-model="filter.spaces" ng-change="toggleFilter('spaces', filter)">
   </div>
   <div ng-repeat="s in spaces" class="row">
@@ -29,16 +43,12 @@
   </div>
 </div>
 <div class="m-t row">
-  <h3 class="col-md-11 col-sm-11 col-xs-11 text-japonica" translate>{{ 'app.public.calendar.events' }}</h3>
+  <h3 class="col-md-11 col-sm-11 col-xs-11 text-japonica" translate>{{ 'app.shared.calendar.events' }}</h3>
   <input class="col-md-1 col-sm-1 col-xs-1" type="checkbox" ng-model="filter.evt" ng-change="filterAvailabilities(filter)">
 </div>
-<div class="m-t row">
-  <h3 class="col-md-11 col-sm-11 col-xs-11 text-black" translate>{{ 'app.public.calendar.show_unavailables' }}</h3>
-  <input class="col-md-1 col-sm-1 col-xs-1" type="checkbox" ng-model="filter.dispo" ng-change="filterAvailabilities(filter)">
-</div>
-<div class="m-t" ng-hide="externals.length == 0">
+<div class="m-t" ng-hide="!externals || externals.length == 0">
   <div class="row">
-    <h3 class="col-md-11 col-sm-11 col-xs-11 text-black" translate>{{ 'app.public.calendar.externals' }}</h3>
+    <h3 class="col-md-11 col-sm-11 col-xs-11 text-black" translate>{{ 'app.shared.calendar.externals' }}</h3>
     <input class="col-md-1 col-sm-1 col-xs-1" type="checkbox" ng-model="filter.externals" ng-change="toggleFilter('externals', filter)">
   </div>
 

app/frontend/templates/machines/_form.html

@@ -89,6 +89,27 @@
       </div>
     </div>
 
+    <div class="form-group m-b-xl">
+      <label for="machine[machine_category_id]" class="control-label col-sm-2" translate>
+        {{ 'app.shared.machine.assigning_machine_to_category' }}
+      </label>
+      <div class="col-sm-10">
+        <span class="help-block alert alert-warning m-b" translate>
+          {{ 'app.shared.machine.assigning_machine_to_category_info_html' }}
+        </span>
+        <small translate>{{ 'app.shared.machine.linking_machine_to_category' }}</small>
+        <ui-select ng-model="machine.machine_category_id" name="machine[machine_category_id]">
+          <ui-select-match>
+              <span ng-bind="$select.selected.name"></span>
+              <input type="hidden" name="machine[machine_category_id]" value="{{$select.selected.id}}" />
+          </ui-select-match>
+          <ui-select-choices repeat="c.id as c in (machineCategories | filter: $select.search)">
+              <span ng-bind-html="c.name | highlight: $select.search"></span>
+          </ui-select-choices>
+        </ui-select>
+      </div>
+    </div>
+
     <div class="form-group m-b-xl">
       <label class="col-sm-2 control-label" translate>{{ 'app.shared.machine.attached_files_pdf' }}</label>
       <div class="col-sm-10">

app/models/machine.rb

@@ -34,6 +34,8 @@ class Machine < ApplicationRecord
   has_many :machines_products, dependent: :destroy
   has_many :products, through: :machines_products
 
+  belongs_to :category
+
   after_create :create_statistic_subtype
   after_create :create_machine_prices
   after_create :update_gateway_product

app/models/machine_category.rb

@@ -0,0 +1,7 @@
+# frozen_string_literal: true
+
+# MachineCategory used to categorize Machines.
+class MachineCategory < ApplicationRecord
+  has_many :machines, dependent: :nullify
+  accepts_nested_attributes_for :machines, allow_destroy: true
+end

app/policies/machine_category_policy.rb

@@ -0,0 +1,7 @@
+class MachineCategoryPolicy < ApplicationPolicy
+  %w[create update destroy show].each do |action|
+    define_method "#{action}?" do
+      user.admin?
+    end
+  end
+end

app/services/availabilities/availabilities_service.rb

@@ -2,7 +2,6 @@
 
 # List all Availability's slots for the given resources
 class Availabilities::AvailabilitiesService
-
   def initialize(current_user, level = 'slot')
     @current_user = current_user
     @maximum_visibility = {
@@ -13,6 +12,19 @@ class Availabilities::AvailabilitiesService
     @level = level
   end
 
+  def index(window, ids, events = false)
+    machines_availabilities = Setting.get('machines_module') ? machines(Machine.where(id: ids[:machines]), @current_user, window) : []
+    spaces_availabilities = Setting.get('spaces_module') ? spaces(Space.where(id: ids[:spaces]), @current_user, window) : []
+    trainings_availabilities = Setting.get('trainings_module') ? trainings(Training.where(id: ids[:trainings]), @current_user, window) : []
+    events_availabilities = if events && Setting.get('events_in_calendar')
+                              events(Event.all, @current_user, window)
+                            else
+                              []
+                            end
+
+    [].concat(trainings_availabilities).concat(events_availabilities).concat(machines_availabilities).concat(spaces_availabilities)
+  end
+
   # list all slots for the given machines, with visibility relative to the given user
   def machines(machines, user, window)
     ma_availabilities = Availability.includes('machines_availabilities')

app/views/api/machine_categories/index.json.jbuilder

@@ -0,0 +1,3 @@
+json.array!(@machine_categories) do |category|
+  json.extract! category, :id, :name, :machine_ids
+end

app/views/api/machine_categories/show.json.jbuilder

@@ -0,0 +1 @@
+json.extract! @machine_category, :id, :name, :machine_ids

app/views/api/machines/_machine.json.jbuilder

@@ -1,6 +1,6 @@
 # frozen_string_literal: true
 
-json.extract! machine, :id, :name, :slug, :disabled
+json.extract! machine, :id, :name, :slug, :disabled, :machine_category_id
 
 if machine.machine_image
   json.machine_image_attributes do

app/views/api/machines/index.json.jbuilder

@@ -1,7 +1,7 @@
 # frozen_string_literal: true
 
 json.array!(@machines) do |machine|
-  json.extract! machine, :id, :name, :slug, :disabled
+  json.extract! machine, :id, :name, :slug, :disabled, :machine_category_id
 
   json.machine_image machine.machine_image.attachment.medium.url if machine.machine_image
 end

app/views/api/machines/show.json.jbuilder

@@ -1,6 +1,6 @@
 # frozen_string_literal: true
 
-json.extract! @machine, :id, :name, :description, :spec, :disabled, :slug
+json.extract! @machine, :id, :name, :description, :spec, :disabled, :slug, :machine_category_id
 json.machine_image @machine.machine_image.attachment.large.url if @machine.machine_image
 
 json.machine_files_attributes @machine.machine_files do |f|

config/locales/app.admin.en.yml

@@ -1,6 +1,27 @@
 en:
   app:
     admin:
+      machines:
+        the_fablab_s_machines: "The FabLab's machines"
+        all_machines: "All machines"
+        manage_machines_categories: "Manage machines categories"
+      machine_categories_list:
+        machine_categories: "Machines Categories"
+        add_a_machine_category: "Add a machine category"
+        name: "Name"
+        machines_number: "Nb of machines"
+        edit: "Edit"
+      machine_category_modal:
+        new_machine_category: "New categorie"
+        edit_machine_category: "Edit catégorie"
+        successfully_created: "The new machine category request has been created."
+        unable_to_create: "Unable to delete the machine category request: "
+        successfully_updated: "The machine category request has been updated."
+        unable_to_update: "Unable to modify the machine category request: "
+      machine_category_form:
+        name: "Name of category"
+        assigning_machines: "Assigning the machines to this category"
+        save: "Save"
       machine_form:
         name: "Name"
         illustration: "Visual"

config/locales/app.admin.fr.yml

@@ -1,6 +1,27 @@
 fr:
   app:
     admin:
+      machines:
+        the_fablab_s_machines: "Les machines du FabLab"
+        all_machines: "Toutes les machines"
+        manage_machines_categories: "Gérer les catégories machines"
+      machine_categories_list:
+        machine_categories: "Catégories Machines"
+        add_a_machine_category: "Ajouter une catégorie machine"
+        name: "Nom"
+        machines_number: "Nb de machines"
+        edit: "Editer"
+      machine_category_modal:
+        new_machine_category: "Créer une nouvelle catégorie"
+        edit_machine_category: "Modifier la catégorie"
+        successfully_created: "La nouvelle catégorie machine a bien été créée."
+        unable_to_create: "Impossible de supprimer la catégorie machine : "
+        successfully_updated: "La nouvelle catégorie machine a bien été mise à jour."
+        unable_to_update: "Impossible de modifier la catégorie machine : "
+      machine_category_form:
+        name: "Nom de la catégorie"
+        assigning_machines: "Assigner les machines à cette catégorie"
+        save: "Enregistrer"
       machine_form:
         name: "Nom"
         illustration: "Illustration"

config/locales/app.public.en.yml

@@ -230,6 +230,8 @@ en:
         status_enabled: "Enabled"
         status_disabled: "Disabled"
         status_all: "All"
+        filter_by_machine_category: "Filter by category"
+        all_machines: "All machines"
       machine_card:
         book: "Book"
         consult: "Consult"

config/locales/app.public.fr.yml

@@ -230,6 +230,8 @@ fr:
         status_enabled: "Actives"
         status_disabled: "Désactivées"
         status_all: "Toutes"
+        filter_by_machine_category: "Filtrer par catégorie"
+        all_machines: "Toutes les machines"
       machine_card:
         book: "Réserver"
         consult: "Consulter"

config/locales/app.shared.en.yml

@@ -156,6 +156,10 @@ en:
         add_an_attachment: "Add an attachment"
         disable_machine: "Disable machine"
         validate_your_machine: "Validate your machine"
+        assigning_machine_to_category: "Assign a category"
+        assigning_machine_to_category_info_html: "<strong>Information</strong><br>You can only assign one category per machine."
+        linking_machine_to_category: "Link this product to a machine category"
+        machine_uncategorized: 'Uncategorized'
       #button to book a machine reservation
       reserve_button:
         book_this_machine: "Book this machine"
@@ -641,3 +645,12 @@ en:
         keyword: "Keyword: {KEYWORD}"
         stock_internal: "Private stock"
         stock_external: "Public stock"
+      calendar:
+        calendar: "Calendar"
+        show_unavailables: "Show unavailable slots"
+        filter_calendar: "Filter calendar"
+        trainings: "Trainings"
+        machines: "Machines"
+        spaces: "Spaces"
+        events: "Events"
+        externals: "Other calendars"

config/locales/app.shared.fr.yml

@@ -156,6 +156,10 @@ fr:
         add_an_attachment: "Ajouter une pièce jointe"
         disable_machine: "Désactiver la machine"
         validate_your_machine: "Valider votre machine"
+        assigning_machine_to_category: "Attributer une catégorie"
+        assigning_machine_to_category_info_html: "<strong>Information</strong><br>Vous ne pouvez attribuer qu'une seule catégoriez par machine."
+        linking_machine_to_category: "Lier ce produit à une catégorie machine"
+        machine_uncategorized: 'Non catégorisé'
       #button to book a machine reservation
       reserve_button:
         book_this_machine: "Réserver cette machine"
@@ -641,3 +645,12 @@ fr:
         keyword: "Mot-clef : {KEYWORD}"
         stock_internal: "Stock interne"
         stock_external: "Stock externe"
+      calendar:
+        calendar: "Calendrier"
+        show_unavailables: "Afficher les créneaux non disponibles"
+        filter_calendar: "Filtrer le calendrier"
+        trainings: "Formations"
+        machines: "Machines"
+        spaces: "Espaces"
+        events: "Événements"
+        externals: "Autres calendriers"

config/routes.rb

@@ -41,6 +41,7 @@ Rails.application.routes.draw do
     end
     resources :openlab_projects, only: :index
     resources :machines
+    resources :machine_categories
     resources :components
     resources :themes
     resources :licences

db/migrate/20221212162655_create_machine_categories.rb

@@ -0,0 +1,9 @@
+class CreateMachineCategories < ActiveRecord::Migration[5.2]
+  def change
+    create_table :machine_categories do |t|
+      t.string :name
+
+      t.timestamps
+    end
+  end
+end

db/migrate/20221216090005_add_machine_category_id_to_machine.rb

@@ -0,0 +1,7 @@
+# frozen_string_literal:true
+
+class AddMachineCategoryIdToMachine < ActiveRecord::Migration[5.2]
+  def change
+    add_reference :machines, :machine_category, index: true, foreign_key: true
+  end
+end

db/schema.rb

@@ -10,7 +10,7 @@
 #
 # It's strongly recommended that you check this file into your version control system.
 
-ActiveRecord::Schema.define(version: 2022_11_22_123605) do
+ActiveRecord::Schema.define(version: 2022_12_16_090005) do
 
   # These are extensions that must be enabled in order to support this database
   enable_extension "fuzzystrmatch"
@@ -350,6 +350,12 @@ ActiveRecord::Schema.define(version: 2022_11_22_123605) do
     t.text "description"
   end
 
+  create_table "machine_categories", force: :cascade do |t|
+    t.string "name"
+    t.datetime "created_at", null: false
+    t.datetime "updated_at", null: false
+  end
+
   create_table "machines", id: :serial, force: :cascade do |t|
     t.string "name", null: false
     t.text "description"
@@ -359,7 +365,9 @@ ActiveRecord::Schema.define(version: 2022_11_22_123605) do
     t.string "slug"
     t.boolean "disabled"
     t.datetime "deleted_at"
+    t.bigint "machine_category_id"
     t.index ["deleted_at"], name: "index_machines_on_deleted_at"
+    t.index ["machine_category_id"], name: "index_machines_on_machine_category_id"
     t.index ["slug"], name: "index_machines_on_slug", unique: true
   end
 
@@ -1187,6 +1195,7 @@ ActiveRecord::Schema.define(version: 2022_11_22_123605) do
   add_foreign_key "invoices", "statistic_profiles"
   add_foreign_key "invoices", "wallet_transactions"
   add_foreign_key "invoicing_profiles", "users"
+  add_foreign_key "machines", "machine_categories"
   add_foreign_key "order_activities", "invoicing_profiles", column: "operator_profile_id"
   add_foreign_key "order_activities", "orders"
   add_foreign_key "order_items", "orders"