[not tested] send reminder notification every hours for upcoming reservations

app/models/notification_type.rb

@@ -41,5 +41,6 @@ class NotificationType
     notify_admin_user_wallet_is_credited
     notify_admin_export_complete
     notify_member_about_coupon
+    notify_member_reservation_reminder
   )
 end

app/views/api/notifications/_notify_member_reservation_reminder.json.jbuilder

@@ -0,0 +1,5 @@
+json.title notification.notification_type
+json.description t('.reminder_you_have_a_reservation_RESERVABLE_to_be_held_on_DATE_html',
+                   RESERVABLE: notification.attached_object.reservable.name,
+                   DATE: I18n.l(notification.attached_object.slots.order(:start_at).first.start_at, format: :long))
+json.url notification_url(notification, format: :json)

app/views/notifications_mailer/notify_member_reservation_reminder.html.erb

@@ -0,0 +1,18 @@
+<%= render 'notifications_mailer/shared/hello', recipient: @recipient %>
+
+<p>
+  <%= t('.body.this_is_a_reminder_about_your_reservation_RESERVABLE_to_be_held_on_DATE_html',
+        RESERVABLE: @attached_object.reservable.name,
+        DATE: I18n.l(@attached_object.slots.order(:start_at).first.start_at, format: :long)
+      )
+  %>
+</p>
+
+<p>
+  <%= t('.body.this_reservation_concerns_the_following_slots') %>
+  <ul>
+    <% @attached_object.slots.order(:start_at).each do |slot| %>
+    <li><%= "#{I18n.l slot.start_at, format: :long} - #{I18n.l slot.end_at, format: :hour_minute}" %></li>
+    <% end %>
+  </ul>
+</p>

app/workers/reservation_reminder_worker.rb

@@ -0,0 +1,22 @@
+class ReservationReminderWorker
+  include Sidekiq::Worker
+
+  ## In case the reminder is enabled but no delay were configured, we use this default value
+  DEFAULT_REMINDER_DELAY = 24.hours
+
+  def perform
+    enabled = Setting.find_by(name: 'reminder_enable').try(:value)
+    if enabled == 'true'
+      delay = Setting.find_by(name: 'reminder_delay').try(:value).try(:to_i).try(:hours) || DEFAULT_REMINDER_DELAY
+
+      starting = Time.now.beginning_of_hour + delay
+      ending = starting + 1.hour
+
+      Reservation.includes(:slots).where('slots.start_at >= ? AND slots.start_at <= ?', starting, ending).each do |r|
+        NotificationCenter.call type: 'notify_member_reservation_reminder',
+                                receiver: r.user,
+                                attached_object: r
+      end
+    end
+  end
+end

config/locales/en.yml

@@ -213,6 +213,8 @@ en:
         a_new_user_account_has_been_imported_from_PROVIDER_(UID)_html: "A new user account has been imported from: <strong><em>%{PROVIDER}</strong> (%{UID})</em>."
       notify_member_create_reservation:
         your_reservation_RESERVABLE_was_successfully_saved_html: "Your reservation <strong><em>%{RESERVABLE}</em></strong> was successfully saved."
+      notify_member_reservation_reminder:
+        reminder_you_have_a_reservation_RESERVABLE_to_be_held_on_DATE_html: "Reminder: You have a reservation <strong>%{RESERVABLE}</strong> to be held on <em>%{DATE}</em>"
       notify_member_slot_is_canceled:
         your_reservation_RESERVABLE_of_DATE_was_successfully_cancelled: "Your reservation %{RESERVABLE} of %{DATE} was successfully cancelled."
       notify_member_slot_is_modified:

config/locales/fr.yml

@@ -213,6 +213,8 @@ fr:
         a_new_user_account_has_been_imported_from_PROVIDER_(UID)_html: "Un nouveau compte utilisateur vient d'être importé depuis : <strong><em>%{PROVIDER}</strong> (%{UID})</em>."
       notify_member_create_reservation:
         your_reservation_RESERVABLE_was_successfully_saved_html: "Votre réservation <strong><em>%{RESERVABLE}</em></strong> a bien été enregistrée."
+      notify_member_reservation_reminder:
+        reminder_you_have_a_reservation_RESERVABLE_to_be_held_on_DATE_html: "Rappel : Vous avez une réservation <strong>%{RESERVABLE}</strong> qui aura lieu le <em>%{DATE}</em>"
       notify_member_slot_is_canceled:
         your_reservation_RESERVABLE_of_DATE_was_successfully_cancelled: "Votre réservation %{RESERVABLE} du %{DATE} a bien été annulée."
       notify_member_slot_is_modified:

config/locales/mails.en.yml

@@ -131,6 +131,12 @@ en:
         invoice_in_your_dashboard_html:  "You can access your invoice in %{DASHBOARD} on the Fab Lab website."
         your_dashboard: "your dashboard"
 
+    notify_member_reservation_reminder:
+      subject: "Reservation reminder"
+      body:
+        this_is_a_reminder_about_your_reservation_RESERVABLE_to_be_held_on_DATE_html: "This is a reminder about your reservation <strong>%{RESERVABLE}</strong> to be held on <em>%{DATE}</em>"
+        this_reservation_concerns_the_following_slots: "This reservation concerns the following slots:"
+
     notify_member_avoir_ready:
       subject: "Your FabLab's refund invoice"
       body:

config/locales/mails.fr.yml

@@ -131,6 +131,12 @@ fr:
         invoice_in_your_dashboard_html: "Vous pouvez à tout moment retrouver votre facture dans %{DASHBOARD} sur le site du Fab Lab."
         your_dashboard: "votre tableau de bord"
 
+    notify_member_reservation_reminder:
+      subject: "Rappel de réservation"
+      body:
+        this_is_a_reminder_about_your_reservation_RESERVABLE_to_be_held_on_DATE_html: "Ceci est un rappel concernant votre réservation <strong>%{RESERVABLE}</strong> qui aura lieu le <em>%{DATE}</em>"
+        this_reservation_concerns_the_following_slots: "Cette réservation concerne les créneaux suivants :"
+
     notify_member_avoir_ready:
       subject: "Votre facture d'avoir du FabLab"
       body:

config/schedule.yml

@@ -19,4 +19,9 @@ open_api_trace_calls_count:
   cron: "0 4 * * 0" # every sunday at 4am
   class: "OpenAPITraceCallsCountWorker"
 
+reservation_reminder:
+  cron: "1 * * * *"
+  class: "ReservationReminderWorker"
+  queue: default
+
 <%= PluginRegistry.insert_code('yml.schedule') %>