Golang Context.NotFoundOrServerError方法代码示例

func UpdateCommentContent(ctx *context.Context) {
	comment, err := models.GetCommentByID(ctx.ParamsInt64(":id"))
	if err != nil {
		ctx.NotFoundOrServerError("GetCommentByID", models.IsErrCommentNotExist, err)
		return
	}

	if !ctx.IsSigned || (ctx.User.ID != comment.PosterID && !ctx.Repo.IsAdmin()) {
		ctx.Error(403)
		return
	} else if comment.Type != models.COMMENT_TYPE_COMMENT {
		ctx.Error(204)
		return
	}

	comment.Content = ctx.Query("content")
	if len(comment.Content) == 0 {
		ctx.JSON(200, map[string]interface{}{
			"content": "",
		})
		return
	}
	if err = models.UpdateComment(comment); err != nil {
		ctx.Handle(500, "UpdateComment", err)
		return
	}

	ctx.JSON(200, map[string]interface{}{
		"content": string(markdown.Render([]byte(comment.Content), ctx.Query("context"), ctx.Repo.Repository.ComposeMetas())),
	})
}

func Home(ctx *context.Context) {
	title := ctx.Repo.Repository.Owner.Name + "/" + ctx.Repo.Repository.Name
	if len(ctx.Repo.Repository.Description) > 0 {
		title += ": " + ctx.Repo.Repository.Description
	}
	ctx.Data["Title"] = title
	ctx.Data["PageIsViewCode"] = true
	ctx.Data["RequireHighlightJS"] = true

	branchLink := ctx.Repo.RepoLink + "/src/" + ctx.Repo.BranchName
	treeLink := branchLink
	rawLink := ctx.Repo.RepoLink + "/raw/" + ctx.Repo.BranchName

	if len(ctx.Repo.TreePath) > 0 {
		treeLink += "/" + ctx.Repo.TreePath
	}

	// Get current entry user currently looking at.
	entry, err := ctx.Repo.Commit.GetTreeEntryByPath(ctx.Repo.TreePath)
	if err != nil {
		ctx.NotFoundOrServerError("Repo.Commit.GetTreeEntryByPath", git.IsErrNotExist, err)
		return
	}

	if entry.IsDir() {
		renderDirectory(ctx, treeLink)
	} else {
		renderFile(ctx, entry, treeLink, rawLink)
	}
	if ctx.Written() {
		return
	}

	ec, err := ctx.Repo.GetEditorconfig()
	if err != nil && !git.IsErrNotExist(err) {
		ctx.Handle(500, "Repo.GetEditorconfig", err)
		return
	}
	ctx.Data["Editorconfig"] = ec

	var treeNames []string
	paths := make([]string, 0, 5)
	if len(ctx.Repo.TreePath) > 0 {
		treeNames = strings.Split(ctx.Repo.TreePath, "/")
		for i := range treeNames {
			paths = append(paths, strings.Join(treeNames[:i+1], "/"))
		}

		ctx.Data["HasParentPath"] = true
		if len(paths)-2 >= 0 {
			ctx.Data["ParentPath"] = "/" + paths[len(paths)-2]
		}
	}

	ctx.Data["Paths"] = paths
	ctx.Data["TreeLink"] = treeLink
	ctx.Data["TreeNames"] = treeNames
	ctx.Data["BranchLink"] = branchLink
	ctx.HTML(200, HOME)
}

func DeleteComment(ctx *context.Context) {
	comment, err := models.GetCommentByID(ctx.ParamsInt64(":id"))
	if err != nil {
		ctx.NotFoundOrServerError("GetCommentByID", models.IsErrCommentNotExist, err)
		return
	}

	if !ctx.IsSigned || (ctx.User.ID != comment.PosterID && !ctx.Repo.IsAdmin()) {
		ctx.Error(403)
		return
	} else if comment.Type != models.COMMENT_TYPE_COMMENT {
		ctx.Error(204)
		return
	}

	if err = models.DeleteCommentByID(comment.ID); err != nil {
		ctx.Handle(500, "DeleteCommentByID", err)
		return
	}

	ctx.Status(200)
}

func NewComment(ctx *context.Context, form auth.CreateCommentForm) {
	issue, err := models.GetIssueByIndex(ctx.Repo.Repository.ID, ctx.ParamsInt64(":index"))
	if err != nil {
		ctx.NotFoundOrServerError("GetIssueByIndex", models.IsErrIssueNotExist, err)
		return
	}

	var attachments []string
	if setting.AttachmentEnabled {
		attachments = form.Files
	}

	if ctx.HasError() {
		ctx.Flash.Error(ctx.Data["ErrorMsg"].(string))
		ctx.Redirect(fmt.Sprintf("%s/issues/%d", ctx.Repo.RepoLink, issue.Index))
		return
	}

	var comment *models.Comment
	defer func() {
		// Check if issue admin/poster changes the status of issue.
		if (ctx.Repo.IsWriter() || (ctx.IsSigned && issue.IsPoster(ctx.User.ID))) &&
			(form.Status == "reopen" || form.Status == "close") &&
			!(issue.IsPull && issue.PullRequest.HasMerged) {

			// Duplication and conflict check should apply to reopen pull request.
			var pr *models.PullRequest

			if form.Status == "reopen" && issue.IsPull {
				pull := issue.PullRequest
				pr, err = models.GetUnmergedPullRequest(pull.HeadRepoID, pull.BaseRepoID, pull.HeadBranch, pull.BaseBranch)
				if err != nil {
					if !models.IsErrPullRequestNotExist(err) {
						ctx.Handle(500, "GetUnmergedPullRequest", err)
						return
					}
				}

				// Regenerate patch and test conflict.
				if pr == nil {
					if err = issue.PullRequest.UpdatePatch(); err != nil {
						ctx.Handle(500, "UpdatePatch", err)
						return
					}

					issue.PullRequest.AddToTaskQueue()
				}
			}

			if pr != nil {
				ctx.Flash.Info(ctx.Tr("repo.pulls.open_unmerged_pull_exists", pr.Index))
			} else {
				if err = issue.ChangeStatus(ctx.User, ctx.Repo.Repository, form.Status == "close"); err != nil {
					log.Error(4, "ChangeStatus: %v", err)
				} else {
					log.Trace("Issue [%d] status changed to closed: %v", issue.ID, issue.IsClosed)
				}
			}
		}

		// Redirect to comment hashtag if there is any actual content.
		typeName := "issues"
		if issue.IsPull {
			typeName = "pulls"
		}
		if comment != nil {
			ctx.Redirect(fmt.Sprintf("%s/%s/%d#%s", ctx.Repo.RepoLink, typeName, issue.Index, comment.HashTag()))
		} else {
			ctx.Redirect(fmt.Sprintf("%s/%s/%d", ctx.Repo.RepoLink, typeName, issue.Index))
		}
	}()

	// Fix #321: Allow empty comments, as long as we have attachments.
	if len(form.Content) == 0 && len(attachments) == 0 {
		return
	}

	comment, err = models.CreateIssueComment(ctx.User, ctx.Repo.Repository, issue, form.Content, attachments)
	if err != nil {
		ctx.Handle(500, "CreateIssueComment", err)
		return
	}

	log.Trace("Comment created: %d/%d/%d", ctx.Repo.Repository.ID, issue.ID, comment.ID)
}

func renderDirectory(ctx *context.Context, treeLink string) {
	tree, err := ctx.Repo.Commit.SubTree(ctx.Repo.TreePath)
	if err != nil {
		ctx.NotFoundOrServerError("Repo.Commit.SubTree", git.IsErrNotExist, err)
		return
	}

	entries, err := tree.ListEntries()
	if err != nil {
		ctx.Handle(500, "ListEntries", err)
		return
	}
	entries.Sort()

	ctx.Data["Files"], err = entries.GetCommitsInfo(ctx.Repo.Commit, ctx.Repo.TreePath)
	if err != nil {
		ctx.Handle(500, "GetCommitsInfo", err)
		return
	}

	var readmeFile *git.Blob
	for _, entry := range entries {
		if entry.IsDir() || !markdown.IsReadmeFile(entry.Name()) {
			continue
		}

		// TODO: collect all possible README files and show with priority.
		readmeFile = entry.Blob()
		break
	}

	if readmeFile != nil {
		ctx.Data["RawFileLink"] = ""
		ctx.Data["ReadmeInList"] = true
		ctx.Data["ReadmeExist"] = true

		dataRc, err := readmeFile.Data()
		if err != nil {
			ctx.Handle(500, "Data", err)
			return
		}

		buf := make([]byte, 1024)
		n, _ := dataRc.Read(buf)
		buf = buf[:n]

		isTextFile := base.IsTextFile(buf)
		ctx.Data["FileIsText"] = isTextFile
		ctx.Data["FileName"] = readmeFile.Name()
		// FIXME: what happens when README file is an image?
		if isTextFile {
			d, _ := ioutil.ReadAll(dataRc)
			buf = append(buf, d...)
			switch {
			case markdown.IsMarkdownFile(readmeFile.Name()):
				ctx.Data["IsMarkdown"] = true
				buf = markdown.Render(buf, treeLink, ctx.Repo.Repository.ComposeMetas())
			default:
				buf = bytes.Replace(buf, []byte("\n"), []byte(`<br>`), -1)
			}
			ctx.Data["FileContent"] = string(buf)
		}
	}

	// Show latest commit info of repository in table header,
	// or of directory if not in root directory.
	latestCommit := ctx.Repo.Commit
	if len(ctx.Repo.TreePath) > 0 {
		latestCommit, err = ctx.Repo.Commit.GetCommitByPath(ctx.Repo.TreePath)
		if err != nil {
			ctx.Handle(500, "GetCommitByPath", err)
			return
		}
	}
	ctx.Data["LatestCommit"] = latestCommit
	ctx.Data["LatestCommitUser"] = models.ValidateCommitWithEmail(latestCommit)

	// Check permission to add or upload new file.
	if ctx.Repo.IsWriter() && ctx.Repo.IsViewBranch {
		ctx.Data["CanAddFile"] = true
		ctx.Data["CanUploadFile"] = setting.Repository.Upload.Enabled
	}
}

func editFile(ctx *context.Context, isNewFile bool) {
	ctx.Data["PageIsEdit"] = true
	ctx.Data["IsNewFile"] = isNewFile
	ctx.Data["RequireHighlightJS"] = true
	ctx.Data["RequireSimpleMDE"] = true

	var treeNames []string
	if len(ctx.Repo.TreePath) > 0 {
		treeNames = strings.Split(ctx.Repo.TreePath, "/")
	}

	if !isNewFile {
		entry, err := ctx.Repo.Commit.GetTreeEntryByPath(ctx.Repo.TreePath)
		if err != nil {
			ctx.NotFoundOrServerError("GetTreeEntryByPath", git.IsErrNotExist, err)
			return
		}

		// No way to edit a directory online.
		if entry.IsDir() {
			ctx.Handle(404, "", nil)
			return
		}

		blob := entry.Blob()
		dataRc, err := blob.Data()
		if err != nil {
			ctx.Handle(404, "blob.Data", err)
			return
		}

		ctx.Data["FileSize"] = blob.Size()
		ctx.Data["FileName"] = blob.Name()

		buf := make([]byte, 1024)
		n, _ := dataRc.Read(buf)
		buf = buf[:n]

		// Only text file are editable online.
		if !base.IsTextFile(buf) {
			ctx.Handle(404, "", nil)
			return
		}

		d, _ := ioutil.ReadAll(dataRc)
		buf = append(buf, d...)
		if err, content := template.ToUTF8WithErr(buf); err != nil {
			if err != nil {
				log.Error(4, "ToUTF8WithErr: %v", err)
			}
			ctx.Data["FileContent"] = string(buf)
		} else {
			ctx.Data["FileContent"] = content
		}
	} else {
		treeNames = append(treeNames, "") // Append empty string to allow user name the new file.
	}

	ctx.Data["TreeNames"] = treeNames
	ctx.Data["BranchLink"] = ctx.Repo.RepoLink + "/src/" + ctx.Repo.BranchName
	ctx.Data["commit_summary"] = ""
	ctx.Data["commit_message"] = ""
	ctx.Data["commit_choice"] = "direct"
	ctx.Data["new_branch_name"] = ""
	ctx.Data["last_commit"] = ctx.Repo.Commit.ID
	ctx.Data["MarkdownFileExts"] = strings.Join(setting.Markdown.FileExtensions, ",")
	ctx.Data["LineWrapExtensions"] = strings.Join(setting.Repository.Editor.LineWrapExtensions, ",")
	ctx.Data["PreviewableFileModes"] = strings.Join(setting.Repository.Editor.PreviewableFileModes, ",")
	ctx.Data["EditorconfigURLPrefix"] = fmt.Sprintf("%s/api/v1/repos/%s/editorconfig/", setting.AppSubUrl, ctx.Repo.Repository.FullName())

	ctx.HTML(200, EDIT_FILE)
}