gitea/routers/repo/editor.go
2016-08-16 23:06:38 -07:00

347 lines
9.2 KiB
Go

// Copyright 2016 The Gogs Authors. All rights reserved.
// Use of this source code is governed by a MIT-style
// license that can be found in the LICENSE file.
package repo
import (
"io/ioutil"
"path"
"strings"
"github.com/gogits/git-module"
"github.com/gogits/gogs/models"
"github.com/gogits/gogs/modules/auth"
"github.com/gogits/gogs/modules/base"
"github.com/gogits/gogs/modules/context"
"github.com/gogits/gogs/modules/log"
"github.com/gogits/gogs/modules/setting"
"github.com/gogits/gogs/modules/template"
)
const (
EDIT base.TplName = "repo/editor/edit"
DIFF_PREVIEW base.TplName = "repo/editor/diff_preview"
DIFF_PREVIEW_NEW base.TplName = "repo/editor/diff_preview_new"
)
func editFile(ctx *context.Context, isNewFile bool) {
ctx.Data["PageIsEdit"] = true
ctx.Data["IsNewFile"] = isNewFile
ctx.Data["RequireHighlightJS"] = true
ctx.Data["RequireSimpleMDE"] = true
branchLink := ctx.Repo.RepoLink + "/src/" + ctx.Repo.BranchName
treeName := ctx.Repo.TreeName
var treeNames []string
if len(treeName) > 0 {
treeNames = strings.Split(treeName, "/")
}
if !isNewFile {
entry, err := ctx.Repo.Commit.GetTreeEntryByPath(treeName)
if err != nil {
if git.IsErrNotExist(err) {
ctx.Handle(404, "GetTreeEntryByPath", err)
} else {
ctx.Handle(500, "GetTreeEntryByPath", 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)
if n > 0 {
buf = buf[:n]
}
// Only text file are editable online.
_, isTextFile := base.IsTextFile(buf)
if !isTextFile {
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, "Convert content encoding: %s", 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["TreeName"] = treeName
ctx.Data["TreeNames"] = treeNames
ctx.Data["BranchLink"] = branchLink
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.HTML(200, EDIT)
}
func EditFile(ctx *context.Context) {
editFile(ctx, false)
}
func NewFile(ctx *context.Context) {
editFile(ctx, true)
}
func editFilePost(ctx *context.Context, form auth.EditRepoFileForm, isNewFile bool) {
ctx.Data["PageIsEdit"] = true
ctx.Data["IsNewFile"] = isNewFile
ctx.Data["RequireHighlightJS"] = true
ctx.Data["RequireSimpleMDE"] = true
oldBranchName := ctx.Repo.BranchName
branchName := oldBranchName
branchLink := ctx.Repo.RepoLink + "/src/" + branchName
oldTreeName := ctx.Repo.TreeName
content := form.Content
commitChoice := form.CommitChoice
lastCommit := form.LastCommit
form.LastCommit = ctx.Repo.Commit.ID.String()
if commitChoice == "commit-to-new-branch" {
branchName = form.NewBranchName
}
treeName := form.TreeName
treeName = strings.Trim(treeName, " ")
treeName = strings.Trim(treeName, "/")
var treeNames []string
if len(treeName) > 0 {
treeNames = strings.Split(treeName, "/")
}
ctx.Data["TreeName"] = treeName
ctx.Data["TreeNames"] = treeNames
ctx.Data["BranchLink"] = branchLink
ctx.Data["FileContent"] = content
ctx.Data["commit_summary"] = form.CommitSummary
ctx.Data["commit_message"] = form.CommitMessage
ctx.Data["commit_choice"] = commitChoice
ctx.Data["new_branch_name"] = branchName
ctx.Data["last_commit"] = form.LastCommit
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, ",")
if ctx.HasError() {
ctx.HTML(200, EDIT)
return
}
if len(treeName) == 0 {
ctx.Data["Err_Filename"] = true
ctx.RenderWithErr(ctx.Tr("repo.editor.filename_cannot_be_empty"), EDIT, &form)
return
}
if oldBranchName != branchName {
if _, err := ctx.Repo.Repository.GetBranch(branchName); err == nil {
ctx.Data["Err_Branchname"] = true
ctx.RenderWithErr(ctx.Tr("repo.editor.branch_already_exists", branchName), EDIT, &form)
return
}
}
var treepath string
for index, part := range treeNames {
treepath = path.Join(treepath, part)
entry, err := ctx.Repo.Commit.GetTreeEntryByPath(treepath)
if err != nil {
if git.IsErrNotExist(err) {
// Means there is no item with that name, so we're good
break
}
ctx.Handle(500, "GetTreeEntryByPath", err)
return
}
if index != len(treeNames)-1 {
if !entry.IsDir() {
ctx.Data["Err_Filename"] = true
ctx.RenderWithErr(ctx.Tr("repo.editor.directory_is_a_file", part), EDIT, &form)
return
}
} else {
if entry.IsDir() {
ctx.Data["Err_Filename"] = true
ctx.RenderWithErr(ctx.Tr("repo.editor.filename_is_a_directory", part), EDIT, &form)
return
}
}
}
if !isNewFile {
_, err := ctx.Repo.Commit.GetTreeEntryByPath(oldTreeName)
if err != nil {
if git.IsErrNotExist(err) {
ctx.Data["Err_Filename"] = true
ctx.RenderWithErr(ctx.Tr("repo.editor.file_editing_no_longer_exists", oldTreeName), EDIT, &form)
} else {
ctx.Handle(500, "GetTreeEntryByPath", err)
}
return
}
if lastCommit != ctx.Repo.CommitID {
files, err := ctx.Repo.Commit.GetFilesChangedSinceCommit(lastCommit)
if err != nil {
ctx.Handle(500, "GetFilesChangedSinceCommit", err)
return
}
for _, file := range files {
if file == treeName {
ctx.RenderWithErr(ctx.Tr("repo.editor.file_changed_while_editing", ctx.Repo.RepoLink+"/compare/"+lastCommit+"..."+ctx.Repo.CommitID), EDIT, &form)
return
}
}
}
}
if oldTreeName != treeName {
// We have a new filename (rename or completely new file) so we need to make sure it doesn't already exist, can't clobber.
entry, err := ctx.Repo.Commit.GetTreeEntryByPath(treeName)
if err != nil {
if !git.IsErrNotExist(err) {
ctx.Handle(500, "GetTreeEntryByPath", err)
return
}
}
if entry != nil {
ctx.Data["Err_Filename"] = true
ctx.RenderWithErr(ctx.Tr("repo.editor.file_already_exists", treeName), EDIT, &form)
return
}
}
var message string
if len(form.CommitSummary) > 0 {
message = strings.TrimSpace(form.CommitSummary)
} else {
if isNewFile {
message = ctx.Tr("repo.editor.add", treeName)
} else {
message = ctx.Tr("repo.editor.update", treeName)
}
}
form.CommitMessage = strings.TrimSpace(form.CommitMessage)
if len(form.CommitMessage) > 0 {
message += "\n\n" + form.CommitMessage
}
if err := ctx.Repo.Repository.UpdateRepoFile(ctx.User, models.UpdateRepoFileOptions{
LastCommitID: lastCommit,
OldBranch: oldBranchName,
NewBranch: branchName,
OldTreeName: oldTreeName,
NewTreeName: treeName,
Message: message,
Content: content,
IsNewFile: isNewFile,
}); err != nil {
ctx.Data["Err_Filename"] = true
ctx.RenderWithErr(ctx.Tr("repo.editor.failed_to_update_file", err), EDIT, &form)
return
}
ctx.Redirect(ctx.Repo.RepoLink + "/src/" + branchName + "/" + treeName)
}
func EditFilePost(ctx *context.Context, form auth.EditRepoFileForm) {
editFilePost(ctx, form, false)
}
func NewFilePost(ctx *context.Context, form auth.EditRepoFileForm) {
editFilePost(ctx, form, true)
}
func DiffPreviewPost(ctx *context.Context, form auth.EditPreviewDiffForm) {
treeName := ctx.Repo.TreeName
content := form.Content
entry, err := ctx.Repo.Commit.GetTreeEntryByPath(treeName)
if err != nil {
if git.IsErrNotExist(err) {
ctx.Data["FileContent"] = content
ctx.HTML(200, DIFF_PREVIEW_NEW)
} else {
ctx.Error(500, "GetTreeEntryByPath: "+err.Error())
}
return
}
if entry.IsDir() {
ctx.Error(422)
return
}
diff, err := ctx.Repo.Repository.GetDiffPreview(ctx.Repo.BranchName, treeName, content)
if err != nil {
ctx.Error(500, "GetDiffPreview: "+err.Error())
return
}
if diff.NumFiles() == 0 {
ctx.PlainText(200, []byte(ctx.Tr("repo.editor.no_changes_to_show")))
return
}
ctx.Data["File"] = diff.Files[0]
ctx.HTML(200, DIFF_PREVIEW)
}
func DeleteFilePost(ctx *context.Context, form auth.DeleteRepoFileForm) {
branchName := ctx.Repo.BranchName
treeName := ctx.Repo.TreeName
if ctx.HasError() {
ctx.Redirect(ctx.Repo.RepoLink + "/src/" + branchName + "/" + treeName)
return
}
if err := ctx.Repo.Repository.DeleteRepoFile(ctx.User, models.DeleteRepoFileOptions{
LastCommitID: ctx.Repo.CommitID,
Branch: branchName,
TreePath: treeName,
Message: form.CommitSummary,
}); err != nil {
ctx.Handle(500, "DeleteRepoFile", err)
return
}
ctx.Redirect(ctx.Repo.RepoLink + "/src/" + branchName)
}