Removed HTTP 500 error on the release page when a user deleted their account

routers/repo/release.go

@@ -45,9 +45,13 @@ func Releases(ctx *middleware.Context) {
 			if rel.TagName == rawTag {
 				rel.Publisher, err = models.GetUserByID(rel.PublisherID)
 				if err != nil {
+					if models.IsErrUserNotExist(err) {
+						rel.Publisher = models.NewFakeUser()
+					} else {
 						ctx.Handle(500, "GetUserByID", err)
 						return
 					}
+				}
 				// FIXME: duplicated code.
 				// Get corresponding target if it's not the current branch.
 				if ctx.Repo.BranchName != rel.Target {
@@ -105,9 +109,13 @@ func Releases(ctx *middleware.Context) {
 
 		rel.Publisher, err = models.GetUserByID(rel.PublisherID)
 		if err != nil {
+			if models.IsErrUserNotExist(err) {
+				rel.Publisher = models.NewFakeUser()
+			} else {
 				ctx.Handle(500, "GetUserByID", err)
 				return
 			}
+		}
 		// FIXME: duplicated code.
 		// Get corresponding target if it's not the current branch.
 		if ctx.Repo.BranchName != rel.Target {