octobox/octobox

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app/controllers/api/notifications_controller.rb

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class Api::NotificationsController < Api::ApplicationController
  include NotificationsConcern

  before_action :authenticate_user!

  # Return a listing of notifications, including a summary of unread repos, notification reasons, and notification types
  #
  # :category: Notifications CRUD
  #
  # ==== Parameters
  #
  # * +:page+ - The page you would like to request
  # * +:per_page+ - The number of results you would like to return per page. Max 100, default 20.
  # * +:starred+ - Return only the user's starred notifications
  # * +:archive+ - Return only the user's archived notifications
  # * +:q+ - Search by subject title of the notification
  #
  # ==== Notes
  #
  # If the +:per_page+ paremeter is set to more than 100, a 404 will be returned
  #
  # ==== Example
  #
  # <code>GET api/notifications.json</code>
  #
  #   {
  #      "pagination" : {
  #         "total_notifications" : 1,
  #         "page" : 1,
  #         "total_pages" : 1,
  #         "per_page" : 20
  #      },
  #      "types" : {
  #         "PullRequest" : 1,
  #      },
  #      "reasons" : {
  #         "mention" : 1
  #      },
  #      "unread_repositories" : {
  #         "octobox/octobox" : 1
  #      },
  #      "notifications" : [
  #         {
  #            "id" : 29,
  #            "github_id" :  320,
  #            "reason" :  "mention",
  #            "unread" :  true,
  #            "archived" :  false,
  #            "starred" :  false,
  #            "url" : "https://api.github.com/notifications/threads/320",
  #            "web_url" : "https://github.com/octobox/octobox/pull/320",
  #            "last_read_at" : "2017-02-20 22:26:11 UTC",
  #            "created_at" : "2017-02-22T15:49:33.750Z",
  #            "updated_at" : "2017-02-22T15:40:21.000Z",
  #            "subject":{
  #               "title" : "Add JSON API",
  #               "url" : "https://api.github.com/repos/octobox/octobox/pulls/320",
  #               "type" : "PullRequest",
  #               "state" : "merged"
  #            },
  #            "repo":{
  #               "id": 320,
  #               "name" : "octobox/octobox",
  #               "owner" : "octobox",
  #               "repo_url" : "https://github.com/octobox/octobox"
  #            }
  #         }
  #      ]
  #   }
  #
  def index
    load_notifications
  end

  # Star a notification
  #
  # :category: Notifications Actions
  #
  # ==== Example
  #
  # <code>POST api/notifications/:id/star.json</code>
  #   HEAD 204
  #
  def star
    find_notification
    @notification.update_columns starred: !@notification.starred?
    head :ok
  end

  # Check if user is synchronizing notifications with GitHub
  #
  # ==== Example
  #
  # <code>POST api/notifications/syncing.json</code>
  #   {} 204 (ok)
  #
  # <code>POST api/notifications/syncing.json</code>
  #   {} 423 (locked)
  #
  def syncing
    if current_user.syncing?
      render json: {}, status: :locked
    else
      render json: { error: Sidekiq::Status::get(current_user.sync_job_id, :exception) }, status: :ok
    end
  end

  # Synchronize notifications with GitHub
  #
  # :category: Notifications Actions
  #
  # ==== Example
  #
  # <code>POST api/notifications/sync.json</code>
  #   HEAD 204
  #
  def sync
    if Octobox.background_jobs_enabled?
      current_user.sync_notifications
    else
      current_user.sync_notifications_in_foreground
    end

    render json: {}
  end

  # Return a count for the number of unread notifications
  #
  # :category: Notifications CRUD
  #
  # ==== Example
  #
  # <code>GET api/notifications/unread_count.json</code>
  #   { "count" : 1 }
  #
  def unread_count
    render json: { 'count' => user_unread_count }
  end

  # Find a notification by it's subject url
  #
  # ==== Parameters
  #
  # * +:url+ - github url of subject
  #
  # ==== Example
  #
  # <code>GET api/notifications/lookup.json</code>
  # {
  #    "id" : 29,
  #    "github_id" :  320,
  #    "reason" :  "mention",
  #    "unread" :  true,
  #    "archived" :  false,
  #    "starred" :  false,
  #    "url" : "https://api.github.com/notifications/threads/320",
  #    "web_url" : "https://github.com/octobox/octobox/pull/320",
  #    "last_read_at" : "2017-02-20 22:26:11 UTC",
  #    "created_at" : "2017-02-22T15:49:33.750Z",
  #    "updated_at" : "2017-02-22T15:40:21.000Z",
  #    "subject":{
  #       "title" : "Add JSON API",
  #       "url" : "https://api.github.com/repos/octobox/octobox/pulls/320",
  #       "type" : "PullRequest",
  #       "state" : "merged"
  #    },
  #    "repo":{
  #       "id": 320,
  #       "name" : "octobox/octobox",
  #       "owner" : "octobox",
  #       "repo_url" : "https://github.com/octobox/octobox"
  #    }
  # }
  #
  def lookup
    if params[:url].present?
      url = Octobox::SubjectUrlParser.new(params[:url]).to_api_url
      @notification = current_user.notifications.where(subject_url: url).first
      render json: {} if @notification.nil?
    else
      render json: {}
    end
  end

  # Mute selected notifications, this will also archive them
  #
  # :category: Notifications Actions
  #
  # ==== Parameters
  #
  # * +:id+ - An array of IDs of notifications you'd like to mute. If ID is 'all', all notifications will be muted
  #
  # ==== Example
  #
  # <code>POST api/notifications/mute_selected.json?id=all</code>
  #   HEAD 204
  #
  def mute_selected
    Notification.mute(selected_notifications)
    head :ok
  end

  # Archive selected notifications
  #
  # :category: Notifications Actions
  #
  # ==== Parameters
  #
  # * +:id+ - An array of IDs of notifications you'd like to archive. If ID is 'all', all notifications will be archived
  #
  # ==== Example
  #
  # <code>POST api/notifications/archive_selected.json?id=all</code>
  #   HEAD 204
  #
  def archive_selected
    Notification.archive(selected_notifications, params[:value])
    head :ok
  end

  # Mark selected notifications as read
  #
  # :category: Notifications Actions
  #
  # ==== Parameters
  #
  # * +:id+ - An array of IDs of notifications you'd like to mark as read. If ID is 'all', all notifications will be marked as read
  #
  # ==== Example
  #
  # <code>POST api/notifications/mark_read_selected.json?id=all</code>
  #   HEAD 204
  #
  def mark_read_selected
    Notification.mark_read(selected_notifications)
    head :ok
  end

  # Delete selected notifications
  #
  # :category: Notifications Actions
  #
  # ==== Parameters
  #
  # * +:id+ - An array of IDs of notifications you'd like to delete. If ID is 'all', all notifications will be deleted
  #
  # ==== Example
  #
  # <code>POST api/notifications/delete_selected.json?id=all</code>
  #   HEAD 204
  #
  def delete_selected
    selected_notifications.delete_all
    head :ok
  end

  private

  def restrict_per_page
    per_page = per_page_param || DEFAULT_PER_PAGE

    return DEFAULT_PER_PAGE if per_page < 1
    raise ActiveRecord::RecordNotFound if per_page > 100

    per_page
  end
end