gitea/routers/repo/blame.go

254 lines
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2019-04-20 02:47:00 +00:00
// Copyright 2019 The Gitea 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 (
"bytes"
"container/list"
"fmt"
"html"
gotemplate "html/template"
"net/url"
"strings"
"code.gitea.io/gitea/models"
"code.gitea.io/gitea/modules/base"
"code.gitea.io/gitea/modules/context"
"code.gitea.io/gitea/modules/git"
"code.gitea.io/gitea/modules/highlight"
"code.gitea.io/gitea/modules/log"
"code.gitea.io/gitea/modules/markup"
"code.gitea.io/gitea/modules/setting"
"code.gitea.io/gitea/modules/util"
)
const (
tplBlame base.TplName = "repo/home"
)
// RefBlame render blame page
func RefBlame(ctx *context.Context) {
fileName := ctx.Repo.TreePath
if len(fileName) == 0 {
ctx.NotFound("Blame FileName", nil)
return
}
userName := ctx.Repo.Owner.Name
repoName := ctx.Repo.Repository.Name
commitID := ctx.Repo.CommitID
commit, err := ctx.Repo.GitRepo.GetCommit(commitID)
if err != nil {
if git.IsErrNotExist(err) {
ctx.NotFound("Repo.GitRepo.GetCommit", err)
} else {
ctx.ServerError("Repo.GitRepo.GetCommit", err)
}
return
}
if len(commitID) != 40 {
commitID = commit.ID.String()
}
branchLink := ctx.Repo.RepoLink + "/src/" + ctx.Repo.BranchNameSubURL()
treeLink := branchLink
rawLink := ctx.Repo.RepoLink + "/raw/" + ctx.Repo.BranchNameSubURL()
if len(ctx.Repo.TreePath) > 0 {
treeLink += "/" + ctx.Repo.TreePath
}
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)-1]
}
}
// 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.ServerError("GetCommitByPath", err)
return
}
}
ctx.Data["LatestCommit"] = latestCommit
ctx.Data["LatestCommitVerification"] = models.ParseCommitWithSignature(latestCommit)
ctx.Data["LatestCommitUser"] = models.ValidateCommitWithEmail(latestCommit)
statuses, err := models.GetLatestCommitStatus(ctx.Repo.Repository, ctx.Repo.Commit.ID.String(), 0)
if err != nil {
log.Error("GetLatestCommitStatus: %v", err)
}
// 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
}
blob := entry.Blob()
ctx.Data["LatestCommitStatus"] = models.CalcCommitStatus(statuses)
ctx.Data["Paths"] = paths
ctx.Data["TreeLink"] = treeLink
ctx.Data["TreeNames"] = treeNames
ctx.Data["BranchLink"] = branchLink
ctx.Data["HighlightClass"] = highlight.FileNameToHighlightClass(entry.Name())
if !markup.IsReadmeFile(blob.Name()) {
ctx.Data["RequireHighlightJS"] = true
}
ctx.Data["RawFileLink"] = rawLink + "/" + ctx.Repo.TreePath
ctx.Data["PageIsViewCode"] = true
ctx.Data["IsBlame"] = true
if ctx.Repo.CanEnableEditor() {
ctx.Data["CanDeleteFile"] = true
ctx.Data["DeleteFileTooltip"] = ctx.Tr("repo.editor.delete_this_file")
} else if !ctx.Repo.IsViewBranch {
ctx.Data["DeleteFileTooltip"] = ctx.Tr("repo.editor.must_be_on_a_branch")
} else if !ctx.Repo.CanWrite(models.UnitTypeCode) {
ctx.Data["DeleteFileTooltip"] = ctx.Tr("repo.editor.must_have_write_access")
}
ctx.Data["FileSize"] = blob.Size()
ctx.Data["FileName"] = blob.Name()
blameReader, err := models.CreateBlameReader(models.RepoPath(userName, repoName), commitID, fileName)
if err != nil {
ctx.NotFound("CreateBlameReader", err)
return
}
defer blameReader.Close()
blameParts := make([]models.BlamePart, 0)
for {
blamePart, err := blameReader.NextPart()
if err != nil {
ctx.NotFound("NextPart", err)
return
}
if blamePart == nil {
break
}
blameParts = append(blameParts, *blamePart)
}
commitNames := make(map[string]models.UserCommit)
commits := list.New()
for _, part := range blameParts {
sha := part.Sha
if _, ok := commitNames[sha]; ok {
continue
}
commit, err := ctx.Repo.GitRepo.GetCommit(sha)
if err != nil {
if git.IsErrNotExist(err) {
ctx.NotFound("Repo.GitRepo.GetCommit", err)
} else {
ctx.ServerError("Repo.GitRepo.GetCommit", err)
}
return
}
commits.PushBack(commit)
commitNames[commit.ID.String()] = models.UserCommit{}
}
commits = models.ValidateCommitsWithEmails(commits)
for e := commits.Front(); e != nil; e = e.Next() {
c := e.Value.(models.UserCommit)
commitNames[c.ID.String()] = c
}
renderBlame(ctx, blameParts, commitNames)
ctx.HTML(200, tplBlame)
}
func renderBlame(ctx *context.Context, blameParts []models.BlamePart, commitNames map[string]models.UserCommit) {
repoLink := ctx.Repo.RepoLink
var lines = make([]string, 0, 0)
var commitInfo bytes.Buffer
var lineNumbers bytes.Buffer
var codeLines bytes.Buffer
var i = 0
for pi, part := range blameParts {
for index, line := range part.Lines {
i++
lines = append(lines, line)
var attr = ""
if len(part.Lines)-1 == index && len(blameParts)-1 != pi {
attr = " bottom-line"
}
commit := commitNames[part.Sha]
if index == 0 {
// User avatar image
avatar := ""
commitSince := base.TimeSinceUnix(util.TimeStamp(commit.Author.When.Unix()), ctx.Data["Lang"].(string))
if commit.User != nil {
authorName := commit.Author.Name
if len(commit.User.FullName) > 0 {
authorName = commit.User.FullName
}
avatar = fmt.Sprintf(`<a href="%s/%s"><img class="ui avatar image" src="%s" title="%s" alt=""/></a>`, setting.AppSubURL, url.PathEscape(commit.User.Name), commit.User.RelAvatarLink(), html.EscapeString(authorName))
} else {
avatar = fmt.Sprintf(`<img class="ui avatar image" src="%s" title="%s"/>`, html.EscapeString(base.AvatarLink(commit.Author.Email)), html.EscapeString(commit.Author.Name))
}
commitInfo.WriteString(fmt.Sprintf(`<div class="blame-info%s"><div class="blame-data"><div class="blame-avatar">%s</div><div class="blame-message"><a href="%s/commit/%s" title="%[5]s">%[5]s</a></div><div class="blame-time">%s</div></div></div>`, attr, avatar, repoLink, part.Sha, html.EscapeString(commit.CommitMessage), commitSince))
} else {
commitInfo.WriteString(fmt.Sprintf(`<div class="blame-info%s">&#8203;</div>`, attr))
}
//Line number
if len(part.Lines)-1 == index && len(blameParts)-1 != pi {
lineNumbers.WriteString(fmt.Sprintf(`<span id="L%d" class="bottom-line">%d</span>`, i, i))
} else {
lineNumbers.WriteString(fmt.Sprintf(`<span id="L%d">%d</span>`, i, i))
}
//Code line
line = gotemplate.HTMLEscapeString(line)
if i != len(lines) {
line += "\n"
}
if len(part.Lines)-1 == index && len(blameParts)-1 != pi {
codeLines.WriteString(fmt.Sprintf(`<li class="L%d bottom-line" rel="L%d">%s</li>`, i, i, line))
} else {
codeLines.WriteString(fmt.Sprintf(`<li class="L%d" rel="L%d">%s</li>`, i, i, line))
}
}
}
ctx.Data["BlameContent"] = gotemplate.HTML(codeLines.String())
ctx.Data["BlameCommitInfo"] = gotemplate.HTML(commitInfo.String())
ctx.Data["BlameLineNums"] = gotemplate.HTML(lineNumbers.String())
}