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author | Eugen Rochko <eugen@zeonfederated.com> | 2017-03-22 19:56:38 +0100 |
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committer | Eugen Rochko <eugen@zeonfederated.com> | 2017-03-22 19:56:38 +0100 |
commit | 08faeedff7838e339488cfcddf02d95241557ffb (patch) | |
tree | f7f2fd55bf288b5380732b03460750e2ba519ec1 /app/models/tag.rb | |
parent | 22e06a4077bef6317e72385a05052105f3804d68 (diff) | |
parent | d6ed2eb512f09600d7cd8150bb9b547442a9d68b (diff) |
Merge branch 'feature-omnisearch'
Diffstat (limited to 'app/models/tag.rb')
-rw-r--r-- | app/models/tag.rb | 20 |
1 files changed, 20 insertions, 0 deletions
diff --git a/app/models/tag.rb b/app/models/tag.rb index 0d2fe43b8..15625ca43 100644 --- a/app/models/tag.rb +++ b/app/models/tag.rb @@ -10,4 +10,24 @@ class Tag < ApplicationRecord def to_param name end + + class << self + def search_for(terms, limit = 5) + terms = Arel.sql(connection.quote(terms.gsub(/['?\\:]/, ' '))) + textsearch = 'to_tsvector(\'simple\', tags.name)' + query = 'to_tsquery(\'simple\', \'\'\' \' || ' + terms + ' || \' \'\'\' || \':*\')' + + sql = <<SQL + SELECT + tags.*, + ts_rank_cd(#{textsearch}, #{query}) AS rank + FROM tags + WHERE #{query} @@ #{textsearch} + ORDER BY rank DESC + LIMIT ? +SQL + + Tag.find_by_sql([sql, limit]) + end + end end |