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fab-manager/app/controllers/api/coupons_controller.rb

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# frozen_string_literal: true
# API Controller for resources of type Coupon
# Coupons are used in payments
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class API::CouponsController < API::ApiController
before_action :authenticate_user!
before_action :set_coupon, only: %i[show update destroy]
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# Number of notifications added to the page when the user clicks on 'load next notifications'
COUPONS_PER_PAGE = 10
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def index
@coupons = Coupon.method(params[:filter]).call.page(params[:page]).per(COUPONS_PER_PAGE).order('created_at DESC')
@total = Coupon.method(params[:filter]).call.length
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end
def show; end
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def create
authorize Coupon
@coupon = Coupon.new(coupon_params)
if @coupon.save
render :show, status: :created, location: @coupon
else
render json: @coupon.errors, status: :unprocessable_entity
end
end
def validate
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@coupon = Coupon.find_by(code: params[:code])
if @coupon.nil?
render json: { status: 'rejected' }, status: :not_found
else
_user_id = if !current_user.admin?
current_user.id
else
params[:user_id]
end
amount = params[:amount].to_f * 100.0
status = @coupon.status(_user_id, amount)
if status != 'active'
render json: { status: status }, status: :unprocessable_entity
else
render :validate, status: :ok, location: @coupon
end
end
end
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def update
authorize Coupon
if @coupon.update(coupon_editable_params)
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render :show, status: :ok, location: @coupon
else
render json: @coupon.errors, status: :unprocessable_entity
end
end
def destroy
authorize Coupon
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if @coupon.safe_destroy
head :no_content
else
head :unprocessable_entity
end
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end
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def send_to
authorize Coupon
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@coupon = Coupon.find_by(code: params[:coupon_code])
if @coupon.nil?
render json: { error: "no coupon with code #{params[:coupon_code]}" }, status: :not_found
elsif @coupon.send_to(params[:user_id])
render :show, status: :ok, location: @coupon
else
render json: @coupon.errors, status: :unprocessable_entity
end
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end
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private
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def set_coupon
@coupon = Coupon.find(params[:id])
end
def coupon_params
if @parameters
@parameters
else
@parameters = params
@parameters[:coupon][:amount_off] = @parameters[:coupon][:amount_off].to_f * 100.0 if @parameters[:coupon][:amount_off]
@parameters = @parameters.require(:coupon).permit(:name, :code, :percent_off, :amount_off, :validity_per_user, :valid_until,
:max_usages, :active)
end
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end
def coupon_editable_params
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params.require(:coupon).permit(:name, :active, :valid_until)
end
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end