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search: fix invalid username searches returning wrong results.

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Partial fix for #4389.

* Fix invalid username searches returning all posts instead of no posts.
* Fix "user:A user:B" returning results for user:B instead of no results.
* Fix "approver:A approver:B" returning results for approver:B instead of no results.
* Add support for negated -commenter, -noter, -noteupdater, -upvote, -downvote metatags.
* Add support for "any" and "none" values for all username metatags,
  including negated metatags that didn't support "any" or "none" before.
* Change noter:any and commenter:any to include posts with deleted notes
  or comments. Note that commenter:<username> already included deleted
  comments before. This is so that commenter:any has the same behavior
  as commenter:<username>
This commit is contained in:
evazion
2020-04-15 00:13:07 -05:00
parent dc6575dc76
commit be27423afd
5 changed files with 144 additions and 173 deletions
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4
app/logical/concerns/searchable.rb
View File

@@ -1,6 +1,10 @@
module Searchable
extend ActiveSupport::Concern
def negate(kind = :nor)
unscoped.where(all.where_clause.invert(kind).ast)
end
def where_like(attr, value)
where("#{qualified_column_for(attr)} LIKE ? ESCAPE E'\\\\'", value.to_escaped_for_sql_like)
end