Topic search should use exact match

[davidsvantesson]

• Gitea version (or commit ref): 1.10.0+dev-190-g852876a98
• Can you reproduce the bug at https://try.gitea.io:
  • Yes: https://try.gitea.io/explore/repos?q=it&topic=1
  • No
  • Not relevant

Description

Current behavior: Topic search includes all repositories with a topic containing the search string

Expected behavior: When clicking on a topic, you want to search that particular topic, not any topics containing that topic. For example, looking for topic "it" shall not give repositories with topic "git" or "gitea".

I think generic searches could contain any repository with search term in name or part of topic, as today.

[guillep2k]

Currently the search function does not make a distinction between name, description and topic. We could force a search by whole words for all fields, or we could make a distinction for the topic, like in topic:<word>. We could even do both. Is there a preference for this?

[davidsvantesson]

@guillep2k The search function actually doesn't look into description today, something I'm also missing.

In the long term I think it would be a good idea to support filters in repo search, similar that GitHub does for issue search. Search within name and description should probably still be "free text" search.
Something to consider is whether whole words shall always be used for topic search, or only when you specifically search for topic (topic=1). I did a test implementation and noticed a behavior that can potentially be confusing for the user; In the interactive (ajax) search on the dashboard, there can be more results as you type (instead of narrowing down). Although I don't see a problem with that.

[guillep2k]

I see, I hadn't thought about the incremental search. It looks like it should be handled differently than the "proper" search.

[davidsvantesson]

Closing issue as related PR is merged.