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Code Packages Activity Actions 1

FEATURE: Adds an API to exclude a tag from a TopicQuery

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To exclude a tag from a topic list, add the `exclude_tag` query
parameter. For example: `latest?exclude_tag=music`
This commit is contained in:
Robin Ward 2021-10-06 15:18:42 -04:00
parent 2fb9834821
commit ae13839f98
2 changed files with 11 additions and 1 deletions
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7
lib/topic_query.rb
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@ -60,7 +60,8 @@ class TopicQuery
tags
match_all_tags
no_subcategories
no_tags)
no_tags
exclude_tag)
end
def self.valid_options
@ -689,6 +690,10 @@ class TopicQuery
# the following will do: ("topics"."id" NOT IN (SELECT DISTINCT "topic_tags"."topic_id" FROM "topic_tags"))
result = result.where.not(id: TopicTag.distinct.pluck(:topic_id))
end
if @options[:exclude_tag] && tag = Tag.find_by(name: @options[:exclude_tag])
result = result.where.not(id: TopicTag.distinct.where(tag_id: tag.id).pluck(:topic_id))
end
end
result = apply_ordering(result, options)