Add emoji reaction detail status

app/controllers/api/base_controller.rb

@@ -1,8 +1,9 @@
 # frozen_string_literal: true
 
 class Api::BaseController < ApplicationController
-  DEFAULT_STATUSES_LIMIT = 20
-  DEFAULT_ACCOUNTS_LIMIT = 40
+  DEFAULT_STATUSES_LIMIT       = 20
+  DEFAULT_ACCOUNTS_LIMIT       = 40
+  DEFAULT_EMOJI_REACTION_LIMIT = 10
 
   include RateLimitHeaders
   include AccessTokenTrackingConcern

app/controllers/api/v1/statuses/emoji_reactioned_by_accounts_controller.rb

@@ -0,0 +1,71 @@
+# frozen_string_literal: true
+
+class Api::V1::Statuses::EmojiReactionedByAccountsController < Api::BaseController
+  include Authorization
+
+  before_action -> { authorize_if_got_token! :read, :'read:accounts' }
+  before_action :set_status
+  after_action :insert_pagination_headers
+
+  def index
+    @accounts = load_accounts
+    render json: @accounts, each_serializer: REST::EmojiReactionAccountSerializer
+  end
+
+  private
+
+  def load_accounts
+    scope = default_accounts
+    # scope = scope.where.not(account_id: current_account.excluded_from_timeline_account_ids) unless current_account.nil?
+    scope.merge(paginated_emoji_reactions).to_a
+  end
+
+  def default_accounts
+    EmojiReaction
+      .where(status_id: @status.id)
+      #.where(account: { suspended_at: nil })
+  end
+
+  def paginated_emoji_reactions
+    EmojiReaction.paginate_by_max_id(
+      limit_param(1000), #limit_param(DEFAULT_ACCOUNTS_LIMIT),
+      params[:max_id],
+      params[:since_id]
+    )
+  end
+
+  def insert_pagination_headers
+    set_pagination_headers(next_path, prev_path)
+  end
+
+  def next_path
+    api_v1_status_emoji_reactioned_by_index_url pagination_params(max_id: pagination_max_id) if records_continue?
+  end
+
+  def prev_path
+    api_v1_status_emoji_reactioned_by_index_url pagination_params(since_id: pagination_since_id) unless @accounts.empty?
+  end
+
+  def pagination_max_id
+    @accounts.last.id
+  end
+
+  def pagination_since_id
+    @accounts.first.id
+  end
+
+  def records_continue?
+    @accounts.size == limit_param(DEFAULT_ACCOUNTS_LIMIT)
+  end
+
+  def set_status
+    @status = Status.find(params[:status_id])
+    authorize @status, :show?
+  rescue Mastodon::NotPermittedError
+    not_found
+  end
+
+  def pagination_params(core_params)
+    params.slice(:limit).permit(:limit).merge(core_params)
+  end
+end

app/controllers/api/v1/statuses/emoji_reactions_controller.rb

@@ -40,6 +40,13 @@ class Api::V1::Statuses::EmojiReactionsController < Api::BaseController
   private
 
   def create_private(emoji)
+    count = EmojiReaction.where(account: current_account, status: @status).count
+
+    if count >= DEFAULT_EMOJI_REACTION_LIMIT
+      bad_request
+      return
+    end
+
     EmojiReactService.new.call(current_account, @status, emoji)
     render json: @status, serializer: REST::StatusSerializer
   end