164 lines
5.3 KiB
Ruby
164 lines
5.3 KiB
Ruby
class ListController < ApplicationController
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before_filter :ensure_logged_in, except: [:latest, :hot, :category, :category_feed, :latest_feed, :hot_feed, :topics_by]
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before_filter :set_category, only: [:category, :category_feed]
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skip_before_filter :check_xhr
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# Create our filters
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[:latest, :hot, :favorited, :read, :posted, :unread, :new].each do |filter|
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define_method(filter) do
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list_opts = build_topic_list_options
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user = list_target_user
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list = TopicQuery.new(user, list_opts).public_send("list_#{filter}")
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list.more_topics_url = construct_url_with(filter, list_opts)
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if [:latest, :hot].include?(filter)
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@description = SiteSetting.site_description
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@rss = filter
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end
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respond(list)
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end
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end
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[:latest, :hot].each do |filter|
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define_method("#{filter}_feed") do
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discourse_expires_in 1.minute
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@title = "#{filter.capitalize} Topics"
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@link = "#{Discourse.base_url}/#{filter}"
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@description = I18n.t("rss_description.#{filter}")
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@atom_link = "#{Discourse.base_url}/#{filter}.rss"
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@topic_list = TopicQuery.new.public_send("list_#{filter}")
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render 'list', formats: [:rss]
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end
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end
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[:topics_by, :private_messages, :private_messages_sent, :private_messages_unread].each do |action|
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define_method("#{action}") do
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list_opts = build_topic_list_options
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target_user = fetch_user_from_params
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guardian.ensure_can_see_private_messages!(target_user.id) unless action == :topics_by
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list = generate_list_for(action.to_s, target_user, list_opts)
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url_prefix = "topics" unless action == :topics_by
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url = construct_url_with(action, list_opts, url_prefix)
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list.more_topics_url = url_for(url)
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respond(list)
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end
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end
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def category
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query = TopicQuery.new(current_user, page: params[:page])
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if !@category
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raise Discourse::NotFound
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return
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end
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guardian.ensure_can_see!(@category)
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list = query.list_category(@category)
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@description = @category.description
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if params[:parent_category].present?
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list.more_topics_url = url_for(category_list_parent_path(params[:parent_category], params[:category], page: next_page, format: "json"))
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else
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list.more_topics_url = url_for(category_list_path(params[:category], page: next_page, format: "json"))
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end
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respond(list)
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end
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def category_feed
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guardian.ensure_can_see!(@category)
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discourse_expires_in 1.minute
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@title = @category.name
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@link = "#{Discourse.base_url}/category/#{@category.slug}"
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@description = "#{I18n.t('topics_in_category', category: @category.name)} #{@category.description}"
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@atom_link = "#{Discourse.base_url}/category/#{@category.slug}.rss"
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@topic_list = TopicQuery.new.list_new_in_category(@category)
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render 'list', formats: [:rss]
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end
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def popular_redirect
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# We've renamed popular to latest. Use a redirect until we're sure we can
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# safely remove this.
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redirect_to latest_path, :status => 301
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end
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protected
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def respond(list)
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list.draft_key = Draft::NEW_TOPIC
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list.draft_sequence = DraftSequence.current(current_user, Draft::NEW_TOPIC)
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draft = Draft.get(current_user, list.draft_key, list.draft_sequence) if current_user
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list.draft = draft
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discourse_expires_in 1.minute
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respond_to do |format|
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format.html do
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@list = list
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store_preloaded('topic_list', MultiJson.dump(TopicListSerializer.new(list, scope: guardian)))
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render 'list'
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end
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format.json do
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render_serialized(list, TopicListSerializer)
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end
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end
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end
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def next_page
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params[:page].to_i + 1
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end
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private
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def set_category
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slug = params.fetch(:category)
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parent_slug = params[:parent_category]
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parent_category_id = nil
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if parent_slug.present?
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parent_category_id = Category.where(slug: parent_slug).pluck(:id).first ||
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Category.where(id: parent_slug.to_i).pluck(:id).first
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raise Discourse::NotFound.new if parent_category_id.blank?
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end
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@category = Category.where(slug: slug, parent_category_id: parent_category_id).includes(:featured_users).first ||
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Category.where(id: slug.to_i, parent_category_id: parent_category_id).includes(:featured_users).first
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end
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def build_topic_list_options
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# html format means we need to parse exclude category (aka filter) from the site options top menu
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menu_items = SiteSetting.top_menu_items
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menu_item = menu_items.select { |item| item.query_should_exclude_category?(action_name, params[:format]) }.first
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# exclude_category = 1. from params / 2. parsed from top menu / 3. nil
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return {
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page: params[:page],
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topic_ids: param_to_integer_list(:topic_ids),
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exclude_category: (params[:exclude_category] || menu_item.try(:filter))
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}
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end
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def list_target_user
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if params[:user_id] && guardian.is_staff?
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User.find(params[:user_id].to_i)
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else
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current_user
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end
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end
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def generate_list_for(action, target_user, opts)
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list = TopicQuery.new(current_user, opts)
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list = list.send("list_#{action}", target_user)
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end
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def construct_url_with(action, opts, url_prefix=nil)
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method = url_prefix.blank? ? "#{action}_path" : "#{url_prefix}_#{action}_path"
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public_send(method, opts.merge(format: 'json', page: next_page))
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end
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end
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