discourse/app/controllers/categories_controller.rb

157 lines
4.7 KiB
Ruby

require_dependency 'category_serializer'
class CategoriesController < ApplicationController
before_filter :ensure_logged_in, except: [:index, :show, :redirect]
before_filter :fetch_category, only: [:show, :update, :destroy]
skip_before_filter :check_xhr, only: [:index, :redirect]
def redirect
redirect_to path("/c/#{params[:path]}")
end
def index
@description = SiteSetting.site_description
options = {}
options[:latest_posts] = params[:latest_posts] || SiteSetting.category_featured_topics
options[:parent_category_id] = params[:parent_category_id]
@list = CategoryList.new(guardian, options)
@list.draft_key = Draft::NEW_TOPIC
@list.draft_sequence = DraftSequence.current(current_user, Draft::NEW_TOPIC)
@list.draft = Draft.get(current_user, @list.draft_key, @list.draft_sequence) if current_user
discourse_expires_in 1.minute
unless current_homepage == 'categories'
@title = I18n.t('js.filters.categories.title')
end
store_preloaded("categories_list", MultiJson.dump(CategoryListSerializer.new(@list, scope: guardian)))
respond_to do |format|
format.html { render }
format.json { render_serialized(@list, CategoryListSerializer) }
end
end
def move
guardian.ensure_can_create!(Category)
params.require("category_id")
params.require("position")
if category = Category.find(params["category_id"])
category.move_to(params["position"].to_i)
render json: success_json
else
render status: 500, json: failed_json
end
end
def show
if Category.topic_create_allowed(guardian).where(id: @category.id).exists?
@category.permission = CategoryGroup.permission_types[:full]
end
render_serialized(@category, CategorySerializer)
end
def create
guardian.ensure_can_create!(Category)
position = category_params.delete(:position)
@category = Category.create(category_params.merge(user: current_user))
return render_json_error(@category) unless @category.save
@category.move_to(position.to_i) if position
render_serialized(@category, CategorySerializer)
end
def update
guardian.ensure_can_edit!(@category)
json_result(@category, serializer: CategorySerializer) do |cat|
cat.move_to(category_params[:position].to_i) if category_params[:position]
if category_params.key? :email_in and category_params[:email_in].length == 0
# properly null the value so the database constrain doesn't catch us
category_params[:email_in] = nil
elsif category_params.key? :email_in and existing_category = Category.find_by(email_in: category_params[:email_in]) and existing_category.id != @category.id
# check if email_in address is already in use for other category
return render_json_error I18n.t('category.errors.email_in_already_exist', {email_in: category_params[:email_in], category_name: existing_category.name})
end
category_params.delete(:position)
cat.update_attributes(category_params)
end
end
def update_slug
@category = Category.find(params[:category_id].to_i)
guardian.ensure_can_edit!(@category)
custom_slug = params[:slug].to_s
if custom_slug.present? && @category.update_attributes(slug: custom_slug)
render json: success_json
else
render_json_error(@category)
end
end
def set_notifications
category_id = params[:category_id].to_i
notification_level = params[:notification_level].to_i
CategoryUser.set_notification_level_for_category(current_user, notification_level, category_id)
render json: success_json
end
def destroy
guardian.ensure_can_delete!(@category)
@category.destroy
render json: success_json
end
private
def required_param_keys
[:name, :color, :text_color]
end
def category_params
@category_params ||= begin
required_param_keys.each do |key|
params.require(key)
end
if p = params[:permissions]
p.each do |k,v|
p[k] = v.to_i
end
end
params.permit(*required_param_keys,
:position,
:email_in,
:email_in_allow_strangers,
:parent_category_id,
:auto_close_hours,
:auto_close_based_on_last_post,
:logo_url,
:background_url,
:allow_badges,
:slug,
:permissions => [*p.try(:keys)])
end
end
def fetch_category
@category = Category.find_by(slug: params[:id]) || Category.find_by(id: params[:id].to_i)
end
end