add backend support for status emoji reactions

turns out we can just reuse the code for
announcement reactions.
This commit is contained in:
fef 2022-11-24 11:50:32 +00:00
parent 5d95e6debb
commit c3d4a644cf
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9 changed files with 133 additions and 0 deletions

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@ -0,0 +1,29 @@
# frozen_string_literal: true
class Api::V1::Statuses::ReactionsController < Api::BaseController
before_action -> { doorkeeper_authorize! :write, :'write:favourites' }
before_action :require_user!
before_action :set_status
before_action :set_reaction, except: :update
def update
@status.status_reactions.create!(account: current_account, name: params[:id])
render_empty
end
def destroy
@reaction.destroy!
render_empty
end
private
def set_reaction
@reaction = @status.status_reactions.where(account: current_account).find_by!(name: params[:id])
end
def set_status
@status = Status.find(params[:status_id])
end
end

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@ -71,6 +71,7 @@ class Status < ApplicationRecord
has_many :mentioned_accounts, through: :mentions, source: :account, class_name: 'Account'
has_many :active_mentions, -> { active }, class_name: 'Mention', inverse_of: :status
has_many :media_attachments, dependent: :nullify
has_many :status_reactions, dependent: :destroy
has_and_belongs_to_many :tags
has_and_belongs_to_many :preview_cards
@ -263,6 +264,21 @@ class Status < ApplicationRecord
@emojis = CustomEmoji.from_text(fields.join(' '), account.domain)
end
def reactions(account = nil)
records = begin
scope = status_reactions.group(:status_id, :name, :custom_emoji_id).order(Arel.sql('MIN(created_at) ASC'))
if account.nil?
scope.select('name, custom_emoji_id, count(*) as count, false as me')
else
scope.select("name, custom_emoji_id, count(*) as count, exists(select 1 from status_reactions r where r.account_id = #{account.id} and r.status_id = status_reactions.status_id and r.name = status_reactions.name) as me")
end
end
ActiveRecord::Associations::Preloader.new.preload(records, :custom_emoji)
records
end
def ordered_media_attachments
if ordered_media_attachment_ids.nil?
media_attachments

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@ -0,0 +1,29 @@
# frozen_string_literal: true
# == Schema Information
#
# Table name: status_reactions
#
# id :bigint(8) not null, primary key
# account_id :bigint(8) not null
# status_id :bigint(8) not null
# name :string default(""), not null
# custom_emoji_id :bigint(8)
# created_at :datetime not null
# updated_at :datetime not null
#
class StatusReaction < ApplicationRecord
belongs_to :account
belongs_to :status, inverse_of: :status_reactions
belongs_to :custom_emoji, optional: true
validates :name, presence: true
validates_with StatusReactionValidator
before_validation :set_custom_emoji
private
def set_custom_emoji
self.custom_emoji = CustomEmoji.local.find_by(disabled: false, shortcode: name) if name.present?
end
end

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@ -28,6 +28,7 @@ class REST::StatusSerializer < ActiveModel::Serializer
has_many :ordered_mentions, key: :mentions
has_many :tags
has_many :emojis, serializer: REST::CustomEmojiSerializer
has_many :reactions, serializer: REST::ReactionSerializer
has_one :preview_card, key: :card, serializer: REST::PreviewCardSerializer
has_one :preloadable_poll, key: :poll, serializer: REST::PollSerializer
@ -146,6 +147,10 @@ class REST::StatusSerializer < ActiveModel::Serializer
object.active_mentions.to_a.sort_by(&:id)
end
def reactions
object.reactions(current_user&.account)
end
class ApplicationSerializer < ActiveModel::Serializer
attributes :name, :website

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@ -0,0 +1,28 @@
# frozen_string_literal: true
class StatusReactionValidator < ActiveModel::Validator
SUPPORTED_EMOJIS = Oj.load_file(Rails.root.join('app', 'javascript', 'mastodon', 'features', 'emoji', 'emoji_map.json').to_s).keys.freeze
LIMIT = 8
def validate(reaction)
return if reaction.name.blank?
reaction.errors.add(:name, I18n.t('reactions.errors.unrecognized_emoji')) if reaction.custom_emoji_id.blank? && !unicode_emoji?(reaction.name)
reaction.errors.add(:base, I18n.t('reactions.errors.limit_reached')) if new_reaction?(reaction) && limit_reached?(reaction)
end
private
def unicode_emoji?(name)
SUPPORTED_EMOJIS.include?(name)
end
def new_reaction?(reaction)
!reaction.status.status_reactions.where(name: reaction.name).exists?
end
def limit_reached?(reaction)
reaction.status.status_reactions.where.not(name: reaction.name).count('distinct name') >= LIMIT
end
end

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@ -453,6 +453,7 @@ Rails.application.routes.draw do
resource :history, only: :show
resource :source, only: :show
resources :reactions, only: [:update, :destroy]
post :translate, to: 'translations#create'
end

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@ -0,0 +1,14 @@
class CreateStatusReactions < ActiveRecord::Migration[6.1]
def change
create_table :status_reactions do |t|
t.references :account, null: false, foreign_key: true
t.references :status, null: false, foreign_key: true
t.string :name, null: false, default: ''
t.references :custom_emoji, null: true, foreign_key: true
t.timestamps
end
add_index :status_reactions, [:account_id, :status_id, :name], unique: true, name: :index_status_reactions_on_account_id_and_status_id
end
end

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@ -0,0 +1,6 @@
Fabricator(:status_reaction) do
account nil
status nil
name "MyString"
custom_emoji nil
end

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@ -0,0 +1,5 @@
require 'rails_helper'
RSpec.describe StatusReaction, type: :model do
pending "add some examples to (or delete) #{__FILE__}"
end