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Support any number of tag intersections

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This commit is contained in:
James Kiesel
2016-08-15 15:30:17 -04:00
parent d3792c0149
commit 037e9bb7b8
8 changed files with 56 additions and 25 deletions
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12
lib/topic_query.rb
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@ -464,10 +464,16 @@ class TopicQuery
if @options[:match_all_tags]
# ALL of the given tags:
tags_count = @options[:tags].length
@options[:tags] = Tag.where(name: @options[:tags]).pluck(:id) unless @options[:tags][0].is_a?(Integer)
@options[:tags].each_with_index do |tag, index|
sql_alias = ['t', index].join
result = result.joins("INNER JOIN topic_tags #{sql_alias} ON #{sql_alias}.topic_id = topics.id AND #{sql_alias}.tag_id = #{tag}")
if tags_count == @options[:tags].length
@options[:tags].each_with_index do |tag, index|
sql_alias = ['t', index].join
result = result.joins("INNER JOIN topic_tags #{sql_alias} ON #{sql_alias}.topic_id = topics.id AND #{sql_alias}.tag_id = #{tag}")
end
else
result = result.none # don't return any results unless all tags exist in the database
end
else
# ANY of the given tags: