Avatars and Repo avatars support storing in minio (#12516)

* Avatar support minio

* Support repo avatar minio storage

* Add missing migration

* Fix bug

* Fix test

* Add test for minio store type on avatars and repo avatars; Add documents

* Fix bug

* Fix bug

* Add back missed avatar link method

* refactor codes

* Simplify the codes

* Code improvements

* Fix lint

* Fix test mysql

* Fix test mysql

* Fix test mysql

* Fix settings

* Fix test

* fix test

* Fix bug

routers/repo/setting.go

@@ -30,7 +30,6 @@ import (
 	mirror_service "code.gitea.io/gitea/services/mirror"
 	repo_service "code.gitea.io/gitea/services/repository"
 
-	"github.com/unknwon/com"
 	"mvdan.cc/xurls/v2"
 )
 
@@ -928,7 +927,7 @@ func UpdateAvatarSetting(ctx *context.Context, form auth.AvatarForm) error {
 		// No avatar is uploaded and we not removing it here.
 		// No random avatar generated here.
 		// Just exit, no action.
-		if !com.IsFile(ctxRepo.CustomAvatarPath()) {
+		if ctxRepo.CustomAvatarRelativePath() == "" {
 			log.Trace("No avatar was uploaded for repo: %d. Default icon will appear instead.", ctxRepo.ID)
 		}
 		return nil
@@ -940,7 +939,7 @@ func UpdateAvatarSetting(ctx *context.Context, form auth.AvatarForm) error {
 	}
 	defer r.Close()
 
-	if form.Avatar.Size > setting.AvatarMaxFileSize {
+	if form.Avatar.Size > setting.Avatar.MaxFileSize {
 		return errors.New(ctx.Tr("settings.uploaded_avatar_is_too_big"))
 	}