mirror of
https://github.com/discourse/discourse.git
synced 2024-12-14 19:33:41 +08:00
370 lines
12 KiB
Ruby
370 lines
12 KiB
Ruby
require_dependency 'topic_list_responder'
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class ListController < ApplicationController
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include TopicListResponder
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skip_before_filter :check_xhr
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before_filter :set_category, only: [
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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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Discourse.filters.map { |f| :"parent_category_category_#{f}" },
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Discourse.filters.map { |f| :"parent_category_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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: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}" },
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TopTopic.periods.map { |p| :"category_none_top_#{p}" },
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TopTopic.periods.map { |p| :"parent_category_category_top_#{p}" },
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# category feeds
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:category_feed,
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].flatten
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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" },
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# anonymous categorized filters
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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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Discourse.anonymous_filters.map { |f| :"parent_category_category_#{f}" },
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Discourse.anonymous_filters.map { |f| :"parent_category_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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:parent_category_category_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| :"category_top_#{p}" },
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TopTopic.periods.map { |p| :"category_none_top_#{p}" },
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TopTopic.periods.map { |p| :"parent_category_category_top_#{p}" },
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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?
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if filter == :latest
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list_opts[:no_definitions] = true
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end
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if filter.to_s == current_homepage
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list_opts[:exclude_category_ids] = get_excluded_category_ids(list_opts[:category])
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end
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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_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]
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@title = I18n.t('js.filters.with_category', filter: filter_title, category: Category.find(list_opts[: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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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.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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canonical_url "#{Discourse.base_url_no_prefix}#{@category.url}"
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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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[:topics_by, :private_messages, :private_messages_sent, :private_messages_unread, :private_messages_archive, :private_messages_group, :private_messages_group_archive].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(include_inactive: current_user.try(:staff?))
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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_url_with(:next, list_opts, url_prefix))
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list.prev_topics_url = url_for(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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end
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def latest_feed
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discourse_expires_in 1.minute
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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, order: 'created').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("monthly")
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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
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@link = "#{Discourse.base_url}#{@category.url}"
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@atom_link = "#{Discourse.base_url}#{@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.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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@title = "#{SiteSetting.title} - #{I18n.t("rss_description.user_topics", username: target_user.username)}"
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@link = "#{Discourse.base_url}/users/#{target_user.username}/activity/topics"
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@atom_link = "#{Discourse.base_url}/users/#{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.new(nil, order: 'created').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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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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def parent_category_category_top
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top(category: @category.id)
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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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if "top".freeze == current_homepage
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top_options[:exclude_category_ids] = get_excluded_category_ids(top_options[:category])
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end
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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"
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if use_crawler_layout?
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@title = I18n.t("js.filters.top.#{period}.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.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_top_#{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 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_for_url if @category
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route_params[:parent_category] = @category.parent_category.slug_for_url if @category && @category.parent_category
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route_params[:order] = opts[:order] if opts[:order].present?
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route_params[:ascending] = opts[:ascending] if opts[:ascending].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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id = params[:id].to_i
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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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redirect_or_not_found and return if parent_category_id.blank? && !id
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end
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@category = Category.query_category(slug_or_id, parent_category_id)
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# Redirect if we have `/c/:parent_category/:category/:id`
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if id
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category = Category.find_by_id(id)
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(redirect_to category.url, status: 301) && return if category
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end
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redirect_or_not_found and return if !@category
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@description_meta = @category.description_text
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raise Discourse::NotFound unless guardian.can_see?(@category)
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end
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def build_topic_list_options
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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_ids: params[:exclude_category_ids],
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category: params[:category],
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order: params[:order],
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ascending: params[:ascending],
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min_posts: params[:min_posts],
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max_posts: params[:max_posts],
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status: params[:status],
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filter: params[:filter],
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state: params[:state],
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search: params[:search],
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q: params[:q],
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group_name: params[:group_name]
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}
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options[:no_subcategories] = true if params[:no_subcategories] == 'true'
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options[:slow_platform] = true if slow_platform?
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options
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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_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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url = if action == :prev
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public_send(method, opts.merge(prev_page_params(opts)))
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else # :next
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public_send(method, opts.merge(next_page_params(opts)))
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end
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url.sub('.json?','?')
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end
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def get_excluded_category_ids(current_category=nil)
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exclude_category_ids = Category.where(suppress_from_homepage: true)
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exclude_category_ids = exclude_category_ids.where.not(id: current_category) if current_category
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exclude_category_ids.pluck(:id)
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end
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def self.best_period_for(previous_visit_at, category_id=nil)
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best_periods_for(previous_visit_at).each 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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return period if top_topics.count >= SiteSetting.topics_per_period_in_top_page
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end
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# default period is yearly
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SiteSetting.top_page_default_timeframe
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end
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def self.best_periods_for(date)
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date ||= 1.year.ago
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periods = []
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periods << :daily if date > 8.days.ago
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periods << :weekly if date > 35.days.ago
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periods << :monthly if date > 180.days.ago
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periods << :yearly
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periods
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end
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def redirect_or_not_found
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url = request.fullpath
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permalink = Permalink.find_by_url(url)
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if permalink.present?
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# permalink present, redirect to that URL
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if permalink.external_url
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redirect_to permalink.external_url, status: :moved_permanently
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elsif permalink.target_url
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redirect_to "#{Discourse::base_uri}#{permalink.target_url}", status: :moved_permanently
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else
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raise Discourse::NotFound
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end
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else
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# redirect to 404
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raise Discourse::NotFound
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end
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end
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end
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