mirror of
https://github.com/discourse/discourse.git
synced 2024-11-23 10:59:51 +08:00
324 lines
10 KiB
Ruby
324 lines
10 KiB
Ruby
class ListController < ApplicationController
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skip_before_filter :check_xhr
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@@categories = [
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# filtered topics lists
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Discourse.filters.map { |f| "category_#{f}".to_sym },
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Discourse.filters.map { |f| "category_none_#{f}".to_sym },
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Discourse.filters.map { |f| "parent_category_category_#{f}".to_sym },
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Discourse.filters.map { |f| "parent_category_category_none_#{f}".to_sym },
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# top summaries
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:category_top,
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:category_none_top,
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:parent_category_category_top,
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# top pages (ie. with a period)
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TopTopic.periods.map { |p| "category_top_#{p}".to_sym },
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TopTopic.periods.map { |p| "category_none_top_#{p}".to_sym },
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TopTopic.periods.map { |p| "parent_category_category_top_#{p}".to_sym },
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# category feeds
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:category_feed,
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].flatten
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before_filter :set_category, only: @@categories
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before_filter :ensure_logged_in, except: [
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:topics_by,
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# anonymous filters
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Discourse.anonymous_filters,
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Discourse.anonymous_filters.map { |f| "#{f}_feed".to_sym },
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# categories
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@@categories,
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# top
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:top,
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TopTopic.periods.map { |p| "top_#{p}".to_sym }
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].flatten
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# Create our filters
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Discourse.filters.each do |filter|
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define_method(filter) do |options = nil|
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list_opts = build_topic_list_options
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list_opts.merge!(options) if options
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user = list_target_user
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if filter == :latest && params[:category].blank?
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list_opts[:no_definitions] = true
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end
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list = TopicQuery.new(user, list_opts).public_send("list_#{filter}")
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list.more_topics_url = construct_next_url_with(list_opts)
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list.prev_topics_url = construct_prev_url_with(list_opts)
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if Discourse.anonymous_filters.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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define_method("category_#{filter}") do
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self.send(filter, { category: @category.id })
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end
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define_method("category_none_#{filter}") do
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self.send(filter, { category: @category.id, no_subcategories: true })
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end
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define_method("parent_category_category_#{filter}") do
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self.send(filter, { category: @category.id })
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end
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define_method("parent_category_category_none_#{filter}") do
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self.send(filter, { category: @category.id })
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end
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end
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Discourse.anonymous_filters.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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list.more_topics_url = url_for(construct_next_url_with(list_opts, url_prefix))
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list.prev_topics_url = url_for(construct_prev_url_with(list_opts, url_prefix))
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respond(list)
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end
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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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def top(options = nil)
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discourse_expires_in 1.minute
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top_options = build_topic_list_options
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top_options.merge!(options) if options
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top = generate_top_lists(top_options)
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top.draft_key = Draft::NEW_TOPIC
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top.draft_sequence = DraftSequence.current(current_user, Draft::NEW_TOPIC)
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top.draft = Draft.get(current_user, top.draft_key, top.draft_sequence) if current_user
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respond_to do |format|
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format.html do
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@top = top
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store_preloaded('top_lists', MultiJson.dump(TopListSerializer.new(top, scope: guardian, root: false)))
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render 'top'
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end
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format.json do
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render json: MultiJson.dump(TopListSerializer.new(top, scope: guardian, root: false))
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end
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end
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end
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def category_top
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options = { category: @category.id }
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top(options)
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end
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def category_none_top
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options = { category: @category.id, no_subcategories: true }
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top(options)
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end
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def parent_category_category_top
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options = { category: @category.id }
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top(options)
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end
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TopTopic.periods.each do |period|
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define_method("top_#{period}") do |options = nil|
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top_options = build_topic_list_options
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top_options.merge!(options) if options
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top_options[:per_page] = SiteSetting.topics_per_period_in_top_page
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user = list_target_user
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list = TopicQuery.new(user, top_options).public_send("list_top_#{period}")
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list.more_topics_url = construct_next_url_with(top_options)
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list.prev_topics_url = construct_prev_url_with(top_options)
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respond(list)
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end
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define_method("category_top_#{period}") do
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self.send("top_#{period}", { category: @category.id })
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end
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define_method("category_none_top_#{period}") do
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self.send("top_#{period}", { category: @category.id, no_subcategories: true })
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end
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define_method("parent_category_category_#{period}") do
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self.send("top_#{period}", { category: @category.id })
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end
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end
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protected
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def respond(list)
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discourse_expires_in 1.minute
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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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list.draft = Draft.get(current_user, list.draft_key, list.draft_sequence) if current_user
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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_params(opts = nil)
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page_params(opts).merge(page: params[:page].to_i + 1)
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end
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def prev_page_params(opts = nil)
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pg = params[:page].to_i
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if pg > 1
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page_params(opts).merge(page: pg - 1)
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else
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page_params(opts).merge(page: nil)
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end
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end
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private
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def page_params(opts = nil)
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opts ||= {}
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route_params = {format: 'json'}
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route_params[:category] = @category.slug if @category
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route_params[:parent_category] = @category.parent_category.slug if @category && @category.parent_category
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route_params[:sort_order] = opts[:sort_order] if opts[:sort_order].present?
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route_params[:sort_descending] = opts[:sort_descending] if opts[:sort_descending].present?
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route_params
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end
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def set_category
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slug_or_id = params.fetch(:category)
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parent_slug_or_id = params[:parent_category]
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parent_category_id = nil
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if parent_slug_or_id.present?
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parent_category_id = Category.query_parent_category(parent_slug_or_id)
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raise Discourse::NotFound.new if parent_category_id.blank?
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end
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@category = Category.query_category(slug_or_id, parent_category_id)
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guardian.ensure_can_see!(@category)
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raise Discourse::NotFound.new if @category.blank?
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end
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def build_topic_list_options
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# exclude_category = 1. from params / 2. parsed from top menu / 3. nil
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options = {
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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] || select_menu_item.try(:filter)),
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category: params[:category],
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sort_order: params[:sort_order],
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sort_descending: params[:sort_descending],
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status: params[:status]
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}
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options[:no_subcategories] = true if params[:no_subcategories] == 'true'
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options
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end
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def select_menu_item
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menu_item = SiteSetting.top_menu_items.select do |mu|
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(mu.has_specific_category? && mu.specific_category == @category.try(:slug)) ||
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action_name == mu.name ||
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(action_name.include?("top") && mu.name == "top")
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end.first
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menu_item = nil if menu_item.try(:has_specific_category?) && menu_item.specific_category == @category.try(:slug)
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menu_item
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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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TopicQuery.new(current_user, opts).send("list_#{action}", target_user)
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end
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def construct_next_url_with(opts, url_prefix = nil)
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method = url_prefix.blank? ? "#{action_name}_path" : "#{url_prefix}_#{action_name}_path"
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public_send(method, opts.merge(next_page_params(opts)))
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end
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def construct_prev_url_with(opts, url_prefix = nil)
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method = url_prefix.blank? ? "#{action_name}_path" : "#{url_prefix}_#{action_name}_path"
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public_send(method, opts.merge(prev_page_params(opts)))
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end
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def generate_top_lists(options)
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top = TopLists.new
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options[:per_page] = SiteSetting.topics_per_period_in_top_summary
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topic_query = TopicQuery.new(current_user, options)
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if current_user.present?
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periods = [ListController.best_period_for(current_user.previous_visit_at)]
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else
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periods = TopTopic.periods
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end
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periods.each { |period| top.send("#{period}=", topic_query.list_top_for(period)) }
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top
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end
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def self.best_period_for(date)
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date ||= 1.year.ago
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return :yearly if date < 180.days.ago
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return :monthly if date < 35.days.ago
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return :weekly if date < 8.days.ago
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:daily
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end
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end
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