初始提交: Gitea 项目代码

routers/web/repo/editor_preview.go

@@ -0,0 +1,47 @@
+// Copyright 2025 The Gitea Authors. All rights reserved.
+// SPDX-License-Identifier: MIT
+
+package repo
+
+import (
+	"net/http"
+
+	"gitea.dev/modules/setting"
+	"gitea.dev/services/context"
+	files_service "gitea.dev/services/repository/files"
+)
+
+func DiffPreviewPost(ctx *context.Context) {
+	newContent := ctx.FormString("content")
+	treePath := files_service.CleanGitTreePath(ctx.Repo.TreePath)
+	if treePath == "" {
+		ctx.HTTPError(http.StatusBadRequest, "file name to diff is invalid")
+		return
+	}
+
+	entry, err := ctx.Repo.Commit.GetTreeEntryByPath(treePath)
+	if err != nil {
+		ctx.ServerError("GetTreeEntryByPath", err)
+		return
+	} else if entry.IsDir() {
+		ctx.HTTPError(http.StatusUnprocessableEntity)
+		return
+	}
+
+	oldContent, err := entry.Blob().GetBlobContent(setting.UI.MaxDisplayFileSize)
+	if err != nil {
+		ctx.ServerError("GetBlobContent", err)
+		return
+	}
+	diff, err := files_service.GetDiffPreview(ctx, ctx.Repo.Repository, ctx.Repo.BranchName, treePath, oldContent, newContent)
+	if err != nil {
+		ctx.ServerError("GetDiffPreview", err)
+		return
+	}
+
+	if len(diff.Files) != 0 {
+		ctx.Data["File"] = diff.Files[0]
+	}
+
+	ctx.HTML(http.StatusOK, tplEditDiffPreview)
+}