Add support for wildcard searches in text fields

#1663

app/models/artist.rb

@@ -226,7 +226,11 @@ class Artist < ActiveRecord::Base
     end
 
     def other_names_match(string)
-      where("other_names_index @@ to_tsquery('danbooru', E?)", Artist.normalize_name(string).to_escaped_for_tsquery)
+      if string =~ /\*/ && CurrentUser.user.is_builder?
+        where("other_names ILIKE ? ESCAPE E'\\\\'", string.to_escaped_for_sql_like)
+      else
+        where("other_names_index @@ to_tsquery('danbooru', E?)", Artist.normalize_name(string).to_escaped_for_tsquery)
+      end
     end
 
     def group_name_matches(name)
@@ -241,8 +245,12 @@ class Artist < ActiveRecord::Base
 
     def any_name_matches(name)
       stripped_name = normalize_name(name).to_escaped_for_sql_like
-      name_for_tsquery = normalize_name(name).to_escaped_for_tsquery
-      where("(name LIKE ? ESCAPE E'\\\\' OR other_names_index @@ to_tsquery('danbooru', E?))", stripped_name, name_for_tsquery)
+      if name =~ /\*/ && CurrentUser.user.is_builder?
+        where("(name LIKE ? ESCAPE E'\\\\' OR other_names LIKE ? ESCAPE E'\\\\')", stripped_name, stripped_name)
+      else
+        name_for_tsquery = normalize_name(name).to_escaped_for_tsquery
+        where("(name LIKE ? ESCAPE E'\\\\' OR other_names_index @@ to_tsquery('danbooru', E?))", stripped_name, name_for_tsquery)
+      end
     end
 
     def search(params)

app/models/comment.rb

@@ -18,7 +18,11 @@ class Comment < ActiveRecord::Base
     end
 
     def body_matches(query)
-      where("body_index @@ plainto_tsquery(?)", query.to_escaped_for_tsquery_split).order("comments.id DESC")
+      if query =~ /\*/ && CurrentUser.user.is_builder?
+        where("body ILIKE ? ESCAPE E'\\\\'", query.to_escaped_for_sql_like)
+      else
+        where("body_index @@ plainto_tsquery(?)", query.to_escaped_for_tsquery_split).order("comments.id DESC")
+      end
     end
 
     def hidden(user)

app/models/dmail.rb

@@ -99,7 +99,12 @@ class Dmail < ActiveRecord::Base
     end
 
     def search_message(query)
-      where("message_index @@ plainto_tsquery(?)", query.to_escaped_for_tsquery_split)
+      if query =~ /\*/ && CurrentUser.user.is_builder?
+        escaped_query = query.to_escaped_for_sql_like
+        where("(title ILIKE ? ESCAPE E'\\\\' OR body ILIKE ? ESCAPE E'\\\\')", escaped_query, escaped_query)
+      else
+        where("message_index @@ plainto_tsquery(?)", query.to_escaped_for_tsquery_split)
+      end
     end
 
     def unread

app/models/forum_post.rb

@@ -17,7 +17,11 @@ class ForumPost < ActiveRecord::Base
 
   module SearchMethods
     def body_matches(body)
-      where("forum_posts.text_index @@ plainto_tsquery(E?)", body.to_escaped_for_tsquery)
+      if body =~ /\*/ && CurrentUser.user.is_builder?
+        where("forum_posts.body ILIKE ? ESCAPE E'\\\\'", body.to_escaped_for_sql_like)
+      else
+        where("forum_posts.text_index @@ plainto_tsquery(E?)", body.to_escaped_for_tsquery)
+      end
     end
 
     def for_user(user_id)

app/models/forum_topic.rb

@@ -43,7 +43,11 @@ class ForumTopic < ActiveRecord::Base
 
   module SearchMethods
     def title_matches(title)
-      where("text_index @@ plainto_tsquery(E?)", title.to_escaped_for_tsquery_split)
+      if title =~ /\*/ && CurrentUser.user.is_builder?
+        where("title ILIKE ? ESCAPE E'\\\\'", title.to_escaped_for_sql_like)
+      else
+        where("text_index @@ plainto_tsquery(E?)", title.to_escaped_for_tsquery_split)
+      end
     end
 
     def active

app/models/note.rb

@@ -21,7 +21,11 @@ class Note < ActiveRecord::Base
     end
 
     def body_matches(query)
-      where("body_index @@ plainto_tsquery(E?)", query.to_escaped_for_tsquery_split)
+      if query =~ /\*/ && CurrentUser.user.is_builder?
+        where("body ILIKE ? ESCAPE E'\\\\'", query.to_escaped_for_sql_like)
+      else
+        where("body_index @@ plainto_tsquery(E?)", query.to_escaped_for_tsquery_split)
+      end
     end
 
     def post_tags_match(query)

app/models/wiki_page.rb

@@ -24,7 +24,11 @@ class WikiPage < ActiveRecord::Base
     end
 
     def body_matches(query)
-      where("body_index @@ plainto_tsquery(?)", query.to_escaped_for_tsquery_split)
+      if query =~ /\*/ && CurrentUser.user.is_builder?
+        where("body ILIKE ? ESCAPE E'\\\\'", query.to_escaped_for_sql_like)
+      else
+        where("body_index @@ plainto_tsquery(?)", query.to_escaped_for_tsquery_split)
+      end
     end
 
     def search(params = {})