Fix numbr of files, total additions, and deletions (#11614)

Signed-off-by: Andrew Thornton <art27@cantab.net>

Co-authored-by: techknowlogick <techknowlogick@gitea.io>

routers/repo/commit.go

@@ -291,7 +291,7 @@ func Diff(ctx *context.Context) {
 	ctx.Data["Author"] = models.ValidateCommitWithEmail(commit)
 	ctx.Data["Diff"] = diff
 	ctx.Data["Parents"] = parents
-	ctx.Data["DiffNotAvailable"] = diff.NumFiles() == 0
+	ctx.Data["DiffNotAvailable"] = diff.NumFiles == 0
 
 	if err := models.CalculateTrustStatus(verification, ctx.Repo.Repository, nil); err != nil {
 		ctx.ServerError("CalculateTrustStatus", err)

routers/repo/compare.go

@@ -437,7 +437,7 @@ func PrepareCompareDiff(
 		return false
 	}
 	ctx.Data["Diff"] = diff
-	ctx.Data["DiffNotAvailable"] = diff.NumFiles() == 0
+	ctx.Data["DiffNotAvailable"] = diff.NumFiles == 0
 
 	headCommit, err := headGitRepo.GetCommit(headCommitID)
 	if err != nil {

routers/repo/editor.go

@@ -339,7 +339,7 @@ func DiffPreviewPost(ctx *context.Context, form auth.EditPreviewDiffForm) {
 		return
 	}
 
-	if diff.NumFiles() == 0 {
+	if diff.NumFiles == 0 {
 		ctx.PlainText(200, []byte(ctx.Tr("repo.editor.no_changes_to_show")))
 		return
 	}

routers/repo/pull.go

@@ -611,7 +611,7 @@ func ViewPullFiles(ctx *context.Context) {
 	}
 
 	ctx.Data["Diff"] = diff
-	ctx.Data["DiffNotAvailable"] = diff.NumFiles() == 0
+	ctx.Data["DiffNotAvailable"] = diff.NumFiles == 0
 
 	baseCommit, err := ctx.Repo.GitRepo.GetCommit(startCommitID)
 	if err != nil {