Add scheduled statuses (mastodon#9706)

Fix mastodon#340

app/controllers/api/v1/scheduled_statuses_controller.rb

@@ -0,0 +1,77 @@
+# frozen_string_literal: true
+
+class Api::V1::ScheduledStatusesController < Api::BaseController
+  include Authorization
+
+  before_action -> { doorkeeper_authorize! :read, :'read:statuses' }, except: [:update, :destroy]
+  before_action -> { doorkeeper_authorize! :write, :'write:statuses' }, only: [:update, :destroy]
+
+  before_action :set_statuses, only: :index
+  before_action :set_status, except: :index
+
+  after_action :insert_pagination_headers, only: :index
+
+  def index
+    render json: @statuses, each_serializer: REST::ScheduledStatusSerializer
+  end
+
+  def show
+    render json: @status, serializer: REST::ScheduledStatusSerializer
+  end
+
+  def update
+    @status.update!(scheduled_status_params)
+    render json: @status, serializer: REST::ScheduledStatusSerializer
+  end
+
+  def destroy
+    @status.destroy!
+    render_empty
+  end
+
+  private
+
+  def set_statuses
+    @statuses = current_account.scheduled_statuses.paginate_by_id(limit_param(DEFAULT_STATUSES_LIMIT), params_slice(:max_id, :since_id, :min_id))
+  end
+
+  def set_status
+    @status = current_account.scheduled_statuses.find(params[:id])
+  end
+
+  def scheduled_status_params
+    params.permit(:scheduled_at)
+  end
+
+  def pagination_params(core_params)
+    params.slice(:limit).permit(:limit).merge(core_params)
+  end
+
+  def insert_pagination_headers
+    set_pagination_headers(next_path, prev_path)
+  end
+
+  def next_path
+    if records_continue?
+      api_v1_scheduled_statuses_url pagination_params(max_id: pagination_max_id)
+    end
+  end
+
+  def prev_path
+    unless @statuses.empty?
+      api_v1_scheduled_statuses_url pagination_params(min_id: pagination_since_id)
+    end
+  end
+
+  def records_continue?
+    @statuses.size == limit_param(DEFAULT_STATUSES_LIMIT)
+  end
+
+  def pagination_max_id
+    @statuses.last.id
+  end
+
+  def pagination_since_id
+    @statuses.first.id
+  end
+end

app/controllers/api/v1/statuses_controller.rb

@@ -45,16 +45,17 @@ def card
 
   def create
     @status = PostStatusService.new.call(current_user.account,
-                                         status_params[:status],
-                                         status_params[:in_reply_to_id].blank? ? nil : Status.find(status_params[:in_reply_to_id]),
+                                         text: status_params[:status],
+                                         thread: status_params[:in_reply_to_id].blank? ? nil : Status.find(status_params[:in_reply_to_id]),
                                          media_ids: status_params[:media_ids],
                                          sensitive: status_params[:sensitive],
                                          spoiler_text: status_params[:spoiler_text],
                                          visibility: status_params[:visibility],
+                                         scheduled_at: status_params[:scheduled_at],
                                          application: doorkeeper_token.application,
                                          idempotency: request.headers['Idempotency-Key'])
 
-    render json: @status, serializer: REST::StatusSerializer
+    render json: @status, serializer: @status.is_a?(ScheduledStatus) ? REST::ScheduledStatusSerializer : REST::StatusSerializer
   end
 
   def destroy
@@ -77,7 +78,7 @@ def set_status
   end
 
   def status_params
-    params.permit(:status, :in_reply_to_id, :sensitive, :spoiler_text, :visibility, media_ids: [])
+    params.permit(:status, :in_reply_to_id, :sensitive, :spoiler_text, :visibility, :scheduled_at, media_ids: [])
   end
 
   def pagination_params(core_params)

app/models/concerns/account_associations.rb

@@ -14,6 +14,7 @@ module AccountAssociations
     has_many :mentions, inverse_of: :account, dependent: :destroy
     has_many :notifications, inverse_of: :account, dependent: :destroy
     has_many :conversations, class_name: 'AccountConversation', dependent: :destroy, inverse_of: :account
+    has_many :scheduled_statuses, inverse_of: :account, dependent: :destroy
 
     # Pinned statuses
     has_many :status_pins, inverse_of: :account, dependent: :destroy

app/models/media_attachment.rb

@@ -3,20 +3,21 @@
 #
 # Table name: media_attachments
 #
-#  id                :bigint(8)        not null, primary key
-#  status_id         :bigint(8)
-#  file_file_name    :string
-#  file_content_type :string
-#  file_file_size    :integer
-#  file_updated_at   :datetime
-#  remote_url        :string           default(""), not null
-#  created_at        :datetime         not null
-#  updated_at        :datetime         not null
-#  shortcode         :string
-#  type              :integer          default("image"), not null
-#  file_meta         :json
-#  account_id        :bigint(8)
-#  description       :text
+#  id                  :bigint(8)        not null, primary key
+#  status_id           :bigint(8)
+#  file_file_name      :string
+#  file_content_type   :string
+#  file_file_size      :integer
+#  file_updated_at     :datetime
+#  remote_url          :string           default(""), not null
+#  created_at          :datetime         not null
+#  updated_at          :datetime         not null
+#  shortcode           :string
+#  type                :integer          default("image"), not null
+#  file_meta           :json
+#  account_id          :bigint(8)
+#  description         :text
+#  scheduled_status_id :bigint(8)
 #
 
 class MediaAttachment < ApplicationRecord
@@ -76,8 +77,9 @@ class MediaAttachment < ApplicationRecord
   IMAGE_LIMIT = 8.megabytes
   VIDEO_LIMIT = 40.megabytes
 
-  belongs_to :account, inverse_of: :media_attachments, optional: true
-  belongs_to :status,  inverse_of: :media_attachments, optional: true
+  belongs_to :account,          inverse_of: :media_attachments, optional: true
+  belongs_to :status,           inverse_of: :media_attachments, optional: true
+  belongs_to :scheduled_status, inverse_of: :media_attachments, optional: true
 
   has_attached_file :file,
                     styles: ->(f) { file_styles f },
@@ -94,8 +96,8 @@ class MediaAttachment < ApplicationRecord
   validates :account, presence: true
   validates :description, length: { maximum: 420 }, if: :local?
 
-  scope :attached,   -> { where.not(status_id: nil) }
-  scope :unattached, -> { where(status_id: nil) }
+  scope :attached,   -> { where.not(status_id: nil).or(where.not(scheduled_status_id: nil)) }
+  scope :unattached, -> { where(status_id: nil, scheduled_status_id: nil) }
   scope :local,      -> { where(remote_url: '') }
   scope :remote,     -> { where.not(remote_url: '') }
 

app/models/scheduled_status.rb

@@ -0,0 +1,39 @@
+# frozen_string_literal: true
+
+# == Schema Information
+#
+# Table name: scheduled_statuses
+#
+#  id           :bigint(8)        not null, primary key
+#  account_id   :bigint(8)
+#  scheduled_at :datetime
+#  params       :jsonb
+#
+
+class ScheduledStatus < ApplicationRecord
+  include Paginable
+
+  TOTAL_LIMIT = 300
+  DAILY_LIMIT = 25
+
+  belongs_to :account, inverse_of: :scheduled_statuses
+  has_many :media_attachments, inverse_of: :scheduled_status, dependent: :destroy
+
+  validate :validate_future_date
+  validate :validate_total_limit
+  validate :validate_daily_limit
+
+  private
+
+  def validate_future_date
+    errors.add(:scheduled_at, I18n.t('scheduled_statuses.too_soon')) if scheduled_at.present? && scheduled_at <= Time.now.utc + PostStatusService::MIN_SCHEDULE_OFFSET
+  end
+
+  def validate_total_limit
+    errors.add(:base, I18n.t('scheduled_statuses.over_total_limit', limit: TOTAL_LIMIT)) if account.scheduled_statuses.count >= TOTAL_LIMIT
+  end
+
+  def validate_daily_limit
+    errors.add(:base, I18n.t('scheduled_statuses.over_daily_limit', limit: DAILY_LIMIT)) if account.scheduled_statuses.where('scheduled_at::date = ?::date', scheduled_at).count >= DAILY_LIMIT
+  end
+end

app/serializers/rest/scheduled_status_serializer.rb

@@ -0,0 +1,11 @@
+# frozen_string_literal: true
+
+class REST::ScheduledStatusSerializer < ActiveModel::Serializer
+  attributes :id, :scheduled_at
+
+  has_many :media_attachments, serializer: REST::MediaAttachmentSerializer
+
+  def id
+    object.id.to_s
+  end
+end