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https://github.com/discourse/discourse.git
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Use classes instead of a complicated nested hash for search results
This commit is contained in:
Robin Ward
parent
4492d06a9f
commit
8e8d9af2bf
185
lib/search.rb
185
lib/search.rb
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@ -64,57 +64,52 @@ class Search
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query: @term.split.map {|t| "#{t}:*"}.join(" & "),
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locale: Search.current_locale_long}
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results = GroupedSearchResults.new(@opts[:type_filter])
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type_filter = @opts[:type_filter]
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if type_filter.present?
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raise Discourse::InvalidAccess.new("invalid type filter") unless Search.facets.include?(type_filter)
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args.merge!(limit: Search.per_facet * Search.facets.size)
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db_result = case type_filter.to_s
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when 'topic'
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post_query(type_filter.to_sym, args)
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when 'category'
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category_query(args)
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when 'user'
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user_query(args)
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end
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case type_filter.to_s
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when 'topic'
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results.add(post_query(type_filter.to_sym, args))
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when 'category'
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results.add(category_query(args))
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when 'user'
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results.add(user_query(args))
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end
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else
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args.merge!(limit: (Search.per_facet + 1))
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db_result = []
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db_result += user_query(args).to_a
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db_result += category_query(args).to_a
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db_result += post_query(:topic, args).to_a
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results.add(user_query(args).to_a)
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results.add(category_query(args).to_a)
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results.add(post_query(:topic, args).to_a)
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end
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db_result = db_result.to_a
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expected_topics = 0
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expected_topics = Search.facets.size unless type_filter.present?
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expected_topics = Search.per_facet * Search.facets.size if type_filter == 'topic'
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if expected_topics > 0
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db_result.each do |row|
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expected_topics -= 1 if row['type'] == 'topic'
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end
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end
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if expected_topics > 0
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tmp = post_query(:post, args.merge(limit: expected_topics * 3)).to_a
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# Subtract how many topics we have
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expected_topics -= results.topic_count
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topic_ids = Set.new db_result.map{|r| r["id"]}
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if expected_topics > 0
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extra_topics = post_query(:post, args.merge(limit: expected_topics * 3)).to_a
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tmp.reject! do |i|
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if topic_ids.include?(i["id"])
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topic_ids = results.topic_ids
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extra_topics.reject! do |i|
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new_topic_id = i['id'].to_i
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if topic_ids.include?(new_topic_id)
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true
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else
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topic_ids << i["id"]
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topic_ids << new_topic_id
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false
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end
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end
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db_result += tmp[0..expected_topics-1]
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results.add(extra_topics[0..expected_topics-1])
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end
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group_db_result(db_result)
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results.as_json
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end
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@ -123,10 +118,12 @@ class Search
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topic = Topic.where(id: id).first
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return nil unless @guardian.can_see?(topic)
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group_db_result([{'type' => 'topic',
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'id' => topic.id,
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'url' => topic.relative_url,
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'title' => topic.title }])
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results = GroupedSearchResults.new(@opts[:type_filter])
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results.add('type' => 'topic',
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'id' => topic.id,
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'url' => topic.relative_url,
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'title' => topic.title)
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results.as_json
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end
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def add_allowed_categories(builder)
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@ -167,9 +164,7 @@ SQL
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u.username_lower AS id,
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'/users/' || u.username_lower AS url,
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u.username AS title,
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u.email,
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NULL AS color,
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NULL AS text_color
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u.email
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FROM users AS u
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JOIN user_search_data s on s.user_id = u.id
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WHERE s.search_data @@ TO_TSQUERY(:locale, :query)
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@ -223,41 +218,105 @@ SQL
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builder.exec(args)
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end
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# Group the results by type
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def group_db_result(db_result)
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grouped = {}
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db_result.each do |row|
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type = row.delete('type')
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class SearchResult
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attr_accessor :type, :id
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# Add the slug for topics
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if type == 'topic'
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def initialize(row)
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@type = row['type'].to_sym
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@url, @id, @title = row['url'], row['id'].to_i, row['title']
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case @type
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when :topic
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# Some topics don't have slugs. In that case, use 'topic' as the slug.
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new_slug = Slug.for(row['title'])
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new_slug = "topic" if new_slug.blank?
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row['url'].gsub!('slug', new_slug)
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elsif type == 'user'
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row['avatar_template'] = User.avatar_template(row['email'])
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@url.gsub!('slug', new_slug)
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when :user
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@avatar_template = User.avatar_template(row['email'])
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when :category
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@color, @text_color = row['color'], row['text_color']
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end
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# Remove attributes when we know they don't matter
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row.delete('email')
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unless type == 'category'
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row.delete('color')
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row.delete('text_color')
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end
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grouped[type] = (grouped[type] || []) << row
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end
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grouped.map do |type, results|
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more = @opts[:type_filter].blank? && (results.size > Search.per_facet)
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results = results[0..([results.length, Search.per_facet].min - 1)] if @opts[:type_filter].blank?
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{
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type: type,
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name: I18n.t("search.types.#{type}"),
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more: more,
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results: results
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}
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def as_json
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json = {id: @id, title: @title, url: @url}
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json[:avatar_template] = @avatar_template if @avatar_template.present?
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json[:color] = @color if @color.present?
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json[:text_color] = @text_color if @text_color.present?
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json
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end
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end
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class SearchResultType
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attr_accessor :more, :results
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def initialize(type)
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@type = type
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@results = []
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@more = false
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end
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def size
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@results.size
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end
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def add(result)
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@results << result
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end
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def as_json
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{ type: @type.to_s,
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name: I18n.t("search.types.#{@type.to_s}"),
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more: @more,
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results: @results.map(&:as_json) }
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end
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end
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class GroupedSearchResults
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attr_reader :topic_count
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def initialize(type_filter)
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@type_filter = type_filter
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@by_type = {}
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@topic_count = 0
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end
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def add(results)
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results = [results] if results.is_a?(Hash)
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results.each do |r|
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add_result(SearchResult.new(r))
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end
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end
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def add_result(result)
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grouped_result = @by_type[result.type] || (@by_type[result.type] = SearchResultType.new(result.type))
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# Limit our results if there is no filter
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if @type_filter.present? or (grouped_result.size < Search.per_facet)
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@topic_count += 1 if (result.type == :topic)
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grouped_result.add(result)
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else
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grouped_result.more = true
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end
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end
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def topic_ids
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topic_results = @by_type[:topic]
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return Set.new if topic_results.blank?
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Set.new(topic_results.results.map(&:id))
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end
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def as_json
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@by_type.values.map do |grouped_result|
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grouped_result.as_json
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end
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end
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end
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end
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@ -99,15 +99,15 @@ describe Search do
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end
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it 'has the display name as the title' do
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result['title'].should == user.username
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result[:title].should == user.username
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end
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it 'has the avatar_template is there so it can hand it to the client' do
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result['avatar_template'].should_not be_nil
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result[:avatar_template].should_not be_nil
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end
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it 'has a url for the record' do
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result['url'].should == "/users/#{user.username_lower}"
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result[:url].should == "/users/#{user.username_lower}"
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end
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end
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@ -121,8 +121,8 @@ describe Search do
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it 'returns a result correctly' do
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result.should be_present
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result['title'].should == topic.title
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result['url'].should == topic.relative_url
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result[:title].should == topic.title
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result[:url].should == topic.relative_url
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end
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end
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@ -131,8 +131,8 @@ describe Search do
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it 'returns the topic' do
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result.should be_present
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result['title'].should == topic.title
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result['url'].should == topic.relative_url
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result[:title].should == topic.title
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result[:url].should == topic.relative_url
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end
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end
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@ -141,8 +141,8 @@ describe Search do
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it 'returns the topic' do
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result.should be_present
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result['title'].should == topic.title
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result['url'].should == topic.relative_url
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result[:title].should == topic.title
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result[:url].should == topic.relative_url
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end
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end
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@ -195,8 +195,8 @@ describe Search do
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it 'returns the correct result' do
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r = result
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r.should be_present
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r['title'].should == category.name
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r['url'].should == "/category/#{category.slug}"
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r[:title].should == category.name
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r[:url].should == "/category/#{category.slug}"
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category.deny(:all)
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category.save
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