Class: TopicsFilter
- Inherits:
-
Object
- Object
- TopicsFilter
- Defined in:
- lib/topics_filter.rb
Instance Attribute Summary collapse
-
#topic_notification_levels ⇒ Object
readonly
Returns the value of attribute topic_notification_levels.
Class Method Summary collapse
Instance Method Summary collapse
- #filter_from_query_string(query_string) ⇒ Object
- #filter_status(status:, category_id: nil) ⇒ Object
-
#initialize(guardian:, scope: Topic.all) ⇒ TopicsFilter
constructor
A new instance of TopicsFilter.
Constructor Details
#initialize(guardian:, scope: Topic.all) ⇒ TopicsFilter
Returns a new instance of TopicsFilter.
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# File 'lib/topics_filter.rb', line 6 def initialize(guardian:, scope: Topic.all) @guardian = guardian @scope = scope @topic_notification_levels = Set.new end |
Instance Attribute Details
#topic_notification_levels ⇒ Object (readonly)
Returns the value of attribute topic_notification_levels.
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# File 'lib/topics_filter.rb', line 4 def topic_notification_levels @topic_notification_levels end |
Class Method Details
.add_filter_by_status(status, &blk) ⇒ Object
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# File 'lib/topics_filter.rb', line 96 def self.add_filter_by_status(status, &blk) custom_status_filters[status] = blk end |
.custom_status_filters ⇒ Object
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# File 'lib/topics_filter.rb', line 100 def self.custom_status_filters @custom_status_filters ||= {} end |
Instance Method Details
#filter_from_query_string(query_string) ⇒ Object
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# File 'lib/topics_filter.rb', line 15 def filter_from_query_string(query_string) return @scope if query_string.blank? filters = {} query_string.scan( /(?<key_prefix>(?:-|=|-=|=-))?(?<key>[\w-]+):(?<value>[^\s]+)/, ) do |key_prefix, key, value| key = FILTER_ALIASES[key] || key filters[key] ||= {} filters[key]["key_prefixes"] ||= [] filters[key]["key_prefixes"] << key_prefix filters[key]["values"] ||= [] filters[key]["values"] << value end filters.each do |filter, hash| key_prefixes = hash["key_prefixes"] values = hash["values"] filter_values = extract_and_validate_value_for(filter, values) case filter when "activity-before" filter_by_activity(before: filter_values) when "activity-after" filter_by_activity(after: filter_values) when "category" filter_categories(values: key_prefixes.zip(filter_values)) when "created-after" filter_by_created(after: filter_values) when "created-before" filter_by_created(before: filter_values) when "created-by" filter_created_by_user(usernames: filter_values.flat_map { |value| value.split(",") }) when "in" filter_in(values: filter_values) when "latest-post-after" filter_by_latest_post(after: filter_values) when "latest-post-before" filter_by_latest_post(before: filter_values) when "likes-min" filter_by_number_of_likes(min: filter_values) when "likes-max" filter_by_number_of_likes(max: filter_values) when "likes-op-min" filter_by_number_of_likes_in_first_post(min: filter_values) when "likes-op-max" filter_by_number_of_likes_in_first_post(max: filter_values) when "order" order_by(values: filter_values) when "posts-min" filter_by_number_of_posts(min: filter_values) when "posts-max" filter_by_number_of_posts(max: filter_values) when "posters-min" filter_by_number_of_posters(min: filter_values) when "posters-max" filter_by_number_of_posters(max: filter_values) when "status" filter_values.each { |status| @scope = filter_status(status: status) } when "tag_group" filter_tag_groups(values: key_prefixes.zip(filter_values)) when "tag" (values: key_prefixes.zip(filter_values)) when "views-min" filter_by_number_of_views(min: filter_values) when "views-max" filter_by_number_of_views(max: filter_values) else if custom_filter = DiscoursePluginRegistry.custom_filter_mappings.find { |hash| hash.key?(filter) } @scope = custom_filter[filter].call(@scope, filter_values) end end end @scope end |
#filter_status(status:, category_id: nil) ⇒ Object
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# File 'lib/topics_filter.rb', line 104 def filter_status(status:, category_id: nil) case status when "open" @scope = @scope.where("NOT topics.closed AND NOT topics.archived") when "closed" @scope = @scope.where("topics.closed") when "archived" @scope = @scope.where("topics.archived") when "listed" @scope = @scope.where("topics.visible") when "unlisted" @scope = @scope.where("NOT topics.visible") when "deleted" category = category_id.present? ? Category.find_by(id: category_id) : nil if @guardian.can_see_deleted_topics?(category) @scope = @scope.unscope(where: :deleted_at).where("topics.deleted_at IS NOT NULL") end when "public" @scope = @scope.joins(:category).where("NOT categories.read_restricted") else if custom_filter = TopicsFilter.custom_status_filters[status] @scope = custom_filter.call(@scope) end end @scope end |