mirror of
https://github.com/discourse/discourse.git
synced 2024-12-13 18:15:58 +08:00
453 lines
15 KiB
Ruby
453 lines
15 KiB
Ruby
# frozen_string_literal: true
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class ListController < ApplicationController
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include TopicListResponder
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include TopicQueryParams
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skip_before_action :check_xhr
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before_action :set_category, only: [
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:category_default,
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# filtered topics lists
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Discourse.filters.map { |f| :"category_#{f}" },
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Discourse.filters.map { |f| :"category_none_#{f}" },
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# top summaries
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:category_top,
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:category_none_top,
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# top pages (ie. with a period)
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TopTopic.periods.map { |p| :"category_top_#{p}" },
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TopTopic.periods.map { |p| :"category_none_top_#{p}" },
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# category feeds
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:category_feed,
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].flatten
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before_action :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" },
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# anonymous categorized filters
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:category_default,
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Discourse.anonymous_filters.map { |f| :"category_#{f}" },
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Discourse.anonymous_filters.map { |f| :"category_none_#{f}" },
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# category feeds
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:category_feed,
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# user topics feed
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:user_topics_feed,
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# top summaries
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:top,
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:category_top,
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:category_none_top,
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# top pages (ie. with a period)
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TopTopic.periods.map { |p| :"top_#{p}" },
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TopTopic.periods.map { |p| :"top_#{p}_feed" },
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TopTopic.periods.map { |p| :"category_top_#{p}" },
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TopTopic.periods.map { |p| :"category_none_top_#{p}" },
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:group_topics
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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 params[:category].blank? && filter == :latest && !SiteSetting.show_category_definitions_in_topic_lists
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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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if guardian.can_create_shared_draft? && @category.present?
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if @category.id == SiteSetting.shared_drafts_category.to_i
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# On shared drafts, show the destination category
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list.topics.each do |t|
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t.includes_destination_category = t.shared_draft.present?
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end
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else
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# When viewing a non-shared draft category, find topics whose
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# destination are this category
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shared_drafts = TopicQuery.new(
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user,
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category: SiteSetting.shared_drafts_category,
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destination_category_id: list_opts[:category]
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).list_latest
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if shared_drafts.present? && shared_drafts.topics.present?
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list.shared_drafts = shared_drafts.topics
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end
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end
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end
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list.more_topics_url = construct_url_with(:next, list_opts)
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list.prev_topics_url = construct_url_with(:prev, 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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# Note the first is the default and we don't add a title
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if (filter.to_s != current_homepage) && use_crawler_layout?
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filter_title = I18n.t("js.filters.#{filter.to_s}.title", count: 0)
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if list_opts[:category] && @category
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@title = I18n.t('js.filters.with_category', filter: filter_title, category: @category.name)
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else
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@title = I18n.t('js.filters.with_topics', filter: filter_title)
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end
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@title << " - #{SiteSetting.title}"
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elsif @category.blank? && (filter.to_s == current_homepage) && SiteSetting.short_site_description.present?
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@title = "#{SiteSetting.title} - #{SiteSetting.short_site_description}"
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end
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end
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respond_with_list(list)
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end
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define_method("category_#{filter}") do
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canonical_url "#{Discourse.base_url_no_prefix}#{@category.url}"
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self.public_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.public_send(filter, category: @category.id, no_subcategories: true)
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end
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end
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def category_default
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canonical_url "#{Discourse.base_url_no_prefix}#{@category.url}"
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view_method = @category.default_view
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view_method = 'latest' unless %w(latest top).include?(view_method)
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self.public_send(view_method, category: @category.id)
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end
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def topics_by
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list_opts = build_topic_list_options
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target_user = fetch_user_from_params({ include_inactive: current_user.try(:staff?) || (current_user && SiteSetting.show_inactive_accounts) }, [:user_stat, :user_option])
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ensure_can_see_profile!(target_user)
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list = generate_list_for("topics_by", target_user, list_opts)
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list.more_topics_url = construct_url_with(:next, list_opts)
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list.prev_topics_url = construct_url_with(:prev, list_opts)
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respond_with_list(list)
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end
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def group_topics
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group = Group.find_by(name: params[:group_name])
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raise Discourse::NotFound unless group
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guardian.ensure_can_see_group!(group)
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guardian.ensure_can_see_group_members!(group)
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list_opts = build_topic_list_options
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list = generate_list_for("group_topics", group, list_opts)
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list.more_topics_url = construct_url_with(:next, list_opts)
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list.prev_topics_url = construct_url_with(:prev, list_opts)
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respond_with_list(list)
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end
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def self.generate_message_route(action)
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case action
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when :private_messages_tag
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define_method("#{action}") do
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raise Discourse::NotFound if !guardian.can_tag_pms?
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message_route(action)
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end
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when :private_messages_group, :private_messages_group_archive
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define_method("#{action}") do
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group = Group.find_by("LOWER(name) = ?", params[:group_name].downcase)
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raise Discourse::NotFound if !group
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raise Discourse::NotFound unless guardian.can_see_group_messages?(group)
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message_route(action)
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end
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else
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define_method("#{action}") do
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message_route(action)
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end
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end
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end
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def message_route(action)
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target_user = fetch_user_from_params({ include_inactive: current_user.try(:staff?) }, [:user_stat, :user_option])
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guardian.ensure_can_see_private_messages!(target_user.id)
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list_opts = build_topic_list_options
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list = generate_list_for(action.to_s, target_user, list_opts)
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url_prefix = "topics"
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list.more_topics_url = construct_url_with(:next, list_opts, url_prefix)
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list.prev_topics_url = construct_url_with(:prev, list_opts, url_prefix)
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respond_with_list(list)
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end
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%i{
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private_messages
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private_messages_sent
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private_messages_unread
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private_messages_archive
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private_messages_group
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private_messages_group_archive
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private_messages_tag
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}.each do |action|
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generate_message_route(action)
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end
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def latest_feed
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discourse_expires_in 1.minute
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options = { order: 'created' }.merge(build_topic_list_options)
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@title = "#{SiteSetting.title} - #{I18n.t("rss_description.latest")}"
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@link = "#{Discourse.base_url}/latest"
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@atom_link = "#{Discourse.base_url}/latest.rss"
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@description = I18n.t("rss_description.latest")
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@topic_list = TopicQuery.new(nil, options).list_latest
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render 'list', formats: [:rss]
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end
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def top_feed
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discourse_expires_in 1.minute
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@title = "#{SiteSetting.title} - #{I18n.t("rss_description.top")}"
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@link = "#{Discourse.base_url}/top"
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@atom_link = "#{Discourse.base_url}/top.rss"
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@description = I18n.t("rss_description.top")
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@topic_list = TopicQuery.new(nil).list_top_for(SiteSetting.top_page_default_timeframe.to_sym)
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render 'list', formats: [:rss]
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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} - #{SiteSetting.title}"
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@link = "#{Discourse.base_url_no_prefix}#{@category.url}"
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@atom_link = "#{Discourse.base_url_no_prefix}#{@category.url}.rss"
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@description = "#{I18n.t('topics_in_category', category: @category.name)} #{@category.description}"
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@topic_list = TopicQuery.new(current_user).list_new_in_category(@category)
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render 'list', formats: [:rss]
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end
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def user_topics_feed
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discourse_expires_in 1.minute
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target_user = fetch_user_from_params
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ensure_can_see_profile!(target_user)
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@title = "#{SiteSetting.title} - #{I18n.t("rss_description.user_topics", username: target_user.username)}"
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@link = "#{Discourse.base_url}/u/#{target_user.username}/activity/topics"
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@atom_link = "#{Discourse.base_url}/u/#{target_user.username}/activity/topics.rss"
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@description = I18n.t("rss_description.user_topics", username: target_user.username)
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@topic_list = TopicQuery
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.new(nil, order: 'created')
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.public_send("list_topics_by", target_user)
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render 'list', formats: [:rss]
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end
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def top(options = nil)
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options ||= {}
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period = ListController.best_period_for(current_user.try(:previous_visit_at), options[:category])
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public_send("top_#{period}", options)
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end
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def category_top
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top(category: @category.id)
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end
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def category_none_top
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top(category: @category.id, no_subcategories: true)
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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).list_top_for(period)
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list.for_period = period
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list.more_topics_url = construct_url_with(:next, top_options)
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list.prev_topics_url = construct_url_with(:prev, top_options)
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@rss = "top_#{period}"
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if use_crawler_layout?
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@title = I18n.t("js.filters.top.#{period}.title") + " - #{SiteSetting.title}"
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end
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respond_with_list(list)
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end
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define_method("category_top_#{period}") do
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self.public_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.public_send("top_#{period}",
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category: @category.id,
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no_subcategories: true
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)
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end
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# rss feed
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define_method("top_#{period}_feed") do |options = nil|
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discourse_expires_in 1.minute
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@description = I18n.t("rss_description.top_#{period}")
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@title = "#{SiteSetting.title} - #{@description}"
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@link = "#{Discourse.base_url}/top/#{period}"
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@atom_link = "#{Discourse.base_url}/top/#{period}.rss"
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@topic_list = TopicQuery.new(nil).list_top_for(period)
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render 'list', formats: [:rss]
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end
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end
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protected
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def next_page_params
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page_params.merge(page: params[:page].to_i + 1)
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end
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def prev_page_params
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pg = params[:page].to_i
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if pg > 1
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page_params.merge(page: pg - 1)
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else
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page_params.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
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route_params = { format: 'json' }
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if @category.present?
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slug_path = @category.slug_path
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route_params[:category_slug_path_with_id] =
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(slug_path + [@category.id.to_s]).join("/")
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end
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route_params[:username] = UrlHelper.encode_component(params[:username]) if params[:username].present?
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route_params
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end
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def set_category
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category_slug_path_with_id = params.require(:category_slug_path_with_id)
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@category = Category.find_by_slug_path_with_id(category_slug_path_with_id)
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if @category.nil?
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raise Discourse::NotFound.new("category not found", check_permalinks: true)
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end
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params[:category] = @category.id.to_s
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if !guardian.can_see?(@category)
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if SiteSetting.detailed_404
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raise Discourse::InvalidAccess
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else
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raise Discourse::NotFound
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end
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end
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# Check if the category slug is incorrect and redirect to a link containing
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# the correct one.
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current_slug = category_slug_path_with_id
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if SiteSetting.slug_generation_method == "encoded"
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current_slug = current_slug.split("/").map { |slug| CGI.escape(slug) }.join("/")
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end
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real_slug = @category.full_slug("/")
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if CGI.unescape(current_slug) != CGI.unescape(real_slug)
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url = request.fullpath.gsub(current_slug, real_slug)
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if ActionController::Base.config.relative_url_root
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url = url.sub(ActionController::Base.config.relative_url_root, "")
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end
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return redirect_to path(url), status: 301
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end
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@description_meta = if @category.uncategorized?
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I18n.t("category.uncategorized_description", locale: SiteSetting.default_locale)
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elsif @category.description_text.present?
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@category.description_text
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else
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SiteSetting.site_description
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end
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if use_crawler_layout?
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@subcategories = @category.subcategories.select { |c| guardian.can_see?(c) }
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end
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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).public_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_name}_path" : "#{url_prefix}_#{action_name}_path"
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page_params =
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case action
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when :prev
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prev_page_params
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when :next
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next_page_params
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else
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raise "unreachable"
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end
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opts = opts.dup
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if SiteSetting.unicode_usernames && opts[:group_name]
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opts[:group_name] = UrlHelper.encode_component(opts[:group_name])
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end
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opts.delete(:category) if page_params.include?(:category_slug_path_with_id)
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public_send(method, opts.merge(page_params)).sub('.json?', '?')
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end
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def ensure_can_see_profile!(target_user = nil)
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raise Discourse::NotFound unless guardian.can_see_profile?(target_user)
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end
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def self.best_period_for(previous_visit_at, category_id = nil)
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default_period = ((category_id && Category.where(id: category_id).pluck_first(:default_top_period)) ||
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SiteSetting.top_page_default_timeframe).to_sym
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best_period_with_topics_for(previous_visit_at, category_id, default_period) || default_period
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end
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def self.best_period_with_topics_for(previous_visit_at, category_id = nil, default_period = SiteSetting.top_page_default_timeframe)
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best_periods_for(previous_visit_at, default_period.to_sym).find do |period|
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top_topics = TopTopic.where("#{period}_score > 0")
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top_topics = top_topics.joins(:topic).where("topics.category_id = ?", category_id) if category_id
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top_topics = top_topics.limit(SiteSetting.topics_per_period_in_top_page)
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top_topics.count == SiteSetting.topics_per_period_in_top_page
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end
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end
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def self.best_periods_for(date, default_period = :all)
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return [default_period, :all].uniq unless date
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periods = []
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periods << :daily if date > (1.week + 1.day).ago
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periods << :weekly if date > (1.month + 1.week).ago
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periods << :monthly if date > (3.months + 3.weeks).ago
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periods << :quarterly if date > (1.year + 1.month).ago
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periods << :yearly if date > 3.years.ago
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periods << :all
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periods
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end
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end
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