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

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# frozen_string_literal: true
# API Controller for resources of type Notification
# Notifications are scoped by user
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class API::NotificationsController < API::ApiController
include NotifyWith::NotificationsApi
before_action :authenticate_user!
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# Number of notifications added to the page when the user clicks on 'load next notifications'
NOTIFICATIONS_PER_PAGE = 15
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def index
loop do
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@notifications = current_user.notifications.page(params[:page]).per(NOTIFICATIONS_PER_PAGE).order('created_at DESC')
# we delete obsolete notifications on first access
break unless delete_obsoletes(@notifications)
end
@totals = {
total: current_user.notifications.count,
unread: current_user.notifications.where(is_read: false).count
}
render :index
end
def last_unread
loop do
@notifications = current_user.notifications.where(is_read: false).limit(3).order('created_at DESC')
# we delete obsolete notifications on first access
break unless delete_obsoletes(@notifications)
end
@totals = {
total: current_user.notifications.count,
unread: current_user.notifications.where(is_read: false).count
}
render :index
end
def polling
@notifications = current_user.notifications
.where('is_read = false AND created_at >= :date', date: params[:last_poll])
.order('created_at DESC')
@totals = {
total: current_user.notifications.count,
unread: current_user.notifications.where(is_read: false).count
}
render :index
end
private
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def delete_obsoletes(notifications)
cleaned = false
notifications.each do |n|
if !Module.const_get(n.attached_object_type) || !n.attached_object
n.destroy!
cleaned = true
end
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end
cleaned
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end
end