# frozen_string_literal: true
class Api::V1::Trends::TagsController < Api::BaseController
before_action :set_tags
after_action :insert_pagination_headers
DEFAULT_TAGS_LIMIT = 10
def index
render json: @tags, each_serializer: REST::TagSerializer, relationships: TagRelationshipsPresenter.new(@tags, current_user&.account_id)
end
private
def enabled?
Setting.trends
def set_tags
@tags = begin
if enabled?
tags_from_trends.offset(offset_param).limit(limit_param(DEFAULT_TAGS_LIMIT))
else
[]
def tags_from_trends
Trends.tags.query.allowed
def insert_pagination_headers
set_pagination_headers(next_path, prev_path)
def pagination_params(core_params)
params.slice(:limit).permit(:limit).merge(core_params)
def next_path
api_v1_trends_tags_url pagination_params(offset: offset_param + limit_param(DEFAULT_TAGS_LIMIT)) if records_continue?
def prev_path
api_v1_trends_tags_url pagination_params(offset: offset_param - limit_param(DEFAULT_TAGS_LIMIT)) if offset_param > limit_param(DEFAULT_TAGS_LIMIT)
def offset_param
params[:offset].to_i
def records_continue?
@tags.size == limit_param(DEFAULT_TAGS_LIMIT)