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# frozen_string_literal: true
class Api::V1::Accounts::StatusesController < Api::BaseController
before_action -> { authorize_if_got_token! :read, :'read:statuses' }
before_action :set_account
after_action :insert_pagination_headers
respond_to :json
def index
@statuses = load_statuses
render json: @statuses, each_serializer: REST::StatusSerializer, relationships: StatusRelationshipsPresenter.new(@statuses, current_user&.account_id)
end
private
def set_account
@account = Account.find(params[:account_id])
end
def load_statuses
cached_account_statuses
end
def cached_account_statuses
cache_collection account_statuses, Status
end
def account_statuses
statuses = truthy_param?(:pinned) ? pinned_scope : permitted_account_statuses
statuses = statuses.paginate_by_id(
limit_param(DEFAULT_STATUSES_LIMIT),
params_slice(:max_id, :since_id, :min_id)
)
statuses.merge!(only_media_scope) if truthy_param?(:only_media)
statuses.merge!(no_replies_scope) if truthy_param?(:exclude_replies)
statuses
end
def permitted_account_statuses
@account.statuses.permitted_for(@account, current_account)
end
def only_media_scope
Status.where(id: account_media_status_ids)
end
def account_media_status_ids
# `SELECT DISTINCT id, updated_at` is too slow, so pluck ids at first, and then select id, updated_at with ids.
# Also, Avoid getting slow by not narrowing down by `statuses.account_id`.
# When narrowing down by `statuses.account_id`, `index_statuses_20180106` will be used
# and the table will be joined by `Merge Semi Join`, so the query will be slow.
Status.joins(:media_attachments).merge(@account.media_attachments).permitted_for(@account, current_account)
.paginate_by_max_id(limit_param(DEFAULT_STATUSES_LIMIT), params[:max_id], params[:since_id])
.reorder(id: :desc).distinct(:id).pluck(:id)
end
def pinned_scope
@account.pinned_statuses
end
def no_replies_scope
Status.without_replies
end
def pagination_params(core_params)
params.slice(:limit, :only_media, :exclude_replies).permit(:limit, :only_media, :exclude_replies).merge(core_params)
end
def insert_pagination_headers
set_pagination_headers(next_path, prev_path)
end
def next_path
if records_continue?
api_v1_account_statuses_url pagination_params(max_id: pagination_max_id)
end
end
def prev_path
unless @statuses.empty?
api_v1_account_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
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