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gitea/routers/repo/view.go
Lauris BH ad2642a8aa
Language statistics bar for repositories (#8037)
* Implementation for calculating language statistics

Impement saving code language statistics to database

Implement rendering langauge stats

Add primary laguage to show in repository list

Implement repository stats indexer queue

Add indexer test

Refactor to use queue module

* Do not timeout for queues
2020-02-11 11:34:17 +02:00

600 lines
17 KiB
Go

// Copyright 2017 The Gitea Authors. All rights reserved.
// Copyright 2014 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 (
"bytes"
"encoding/base64"
"fmt"
gotemplate "html/template"
"io/ioutil"
"net/url"
"path"
"strings"
"code.gitea.io/gitea/models"
"code.gitea.io/gitea/modules/base"
"code.gitea.io/gitea/modules/cache"
"code.gitea.io/gitea/modules/charset"
"code.gitea.io/gitea/modules/context"
"code.gitea.io/gitea/modules/git"
"code.gitea.io/gitea/modules/highlight"
"code.gitea.io/gitea/modules/lfs"
"code.gitea.io/gitea/modules/log"
"code.gitea.io/gitea/modules/markup"
"code.gitea.io/gitea/modules/setting"
)
const (
tplRepoEMPTY base.TplName = "repo/empty"
tplRepoHome base.TplName = "repo/home"
tplWatchers base.TplName = "repo/watchers"
tplForks base.TplName = "repo/forks"
tplMigrating base.TplName = "repo/migrating"
)
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.ServerError("ListEntries", err)
return
}
entries.CustomSort(base.NaturalSortLess)
var c git.LastCommitCache
if setting.CacheService.LastCommit.Enabled && ctx.Repo.CommitsCount >= setting.CacheService.LastCommit.CommitsCount {
c = cache.NewLastCommitCache(ctx.Repo.Repository.FullName(), ctx.Repo.GitRepo, int64(setting.CacheService.LastCommit.TTL.Seconds()))
}
var latestCommit *git.Commit
ctx.Data["Files"], latestCommit, err = entries.GetCommitsInfo(ctx.Repo.Commit, ctx.Repo.TreePath, c)
if err != nil {
ctx.ServerError("GetCommitsInfo", err)
return
}
// 3 for the extensions in exts[] in order
// the last one is for a readme that doesn't
// strictly match an extension
var readmeFiles [4]*git.Blob
var exts = []string{".md", ".txt", ""} // sorted by priority
for _, entry := range entries {
if entry.IsDir() {
continue
}
for i, ext := range exts {
if markup.IsReadmeFile(entry.Name(), ext) {
readmeFiles[i] = entry.Blob()
}
}
if markup.IsReadmeFile(entry.Name()) {
readmeFiles[3] = entry.Blob()
}
}
var readmeFile *git.Blob
for _, f := range readmeFiles {
if f != nil {
readmeFile = f
break
}
}
if readmeFile != nil {
ctx.Data["RawFileLink"] = ""
ctx.Data["ReadmeInList"] = true
ctx.Data["ReadmeExist"] = true
dataRc, err := readmeFile.DataAsync()
if err != nil {
ctx.ServerError("Data", err)
return
}
defer dataRc.Close()
buf := make([]byte, 1024)
n, _ := dataRc.Read(buf)
buf = buf[:n]
isTextFile := base.IsTextFile(buf)
ctx.Data["FileIsText"] = isTextFile
ctx.Data["FileName"] = readmeFile.Name()
fileSize := int64(0)
isLFSFile := false
ctx.Data["IsLFSFile"] = false
// FIXME: what happens when README file is an image?
if isTextFile && setting.LFS.StartServer {
meta := lfs.IsPointerFile(&buf)
if meta != nil {
meta, err = ctx.Repo.Repository.GetLFSMetaObjectByOid(meta.Oid)
if err != nil && err != models.ErrLFSObjectNotExist {
ctx.ServerError("GetLFSMetaObject", err)
return
}
}
if meta != nil {
ctx.Data["IsLFSFile"] = true
isLFSFile = true
// OK read the lfs object
var err error
dataRc, err = lfs.ReadMetaObject(meta)
if err != nil {
ctx.ServerError("ReadMetaObject", err)
return
}
defer dataRc.Close()
buf = make([]byte, 1024)
n, err = dataRc.Read(buf)
if err != nil {
ctx.ServerError("Data", err)
return
}
buf = buf[:n]
isTextFile = base.IsTextFile(buf)
ctx.Data["IsTextFile"] = isTextFile
fileSize = meta.Size
ctx.Data["FileSize"] = meta.Size
filenameBase64 := base64.RawURLEncoding.EncodeToString([]byte(readmeFile.Name()))
ctx.Data["RawFileLink"] = fmt.Sprintf("%s%s.git/info/lfs/objects/%s/%s", setting.AppURL, ctx.Repo.Repository.FullName(), meta.Oid, filenameBase64)
}
}
if !isLFSFile {
fileSize = readmeFile.Size()
}
if isTextFile {
if fileSize >= setting.UI.MaxDisplayFileSize {
// Pretend that this is a normal text file to display 'This file is too large to be shown'
ctx.Data["IsFileTooLarge"] = true
ctx.Data["IsTextFile"] = true
ctx.Data["FileSize"] = fileSize
} else {
d, _ := ioutil.ReadAll(dataRc)
buf = charset.ToUTF8WithFallback(append(buf, d...))
if markupType := markup.Type(readmeFile.Name()); markupType != "" {
ctx.Data["IsMarkup"] = true
ctx.Data["MarkupType"] = string(markupType)
ctx.Data["FileContent"] = string(markup.Render(readmeFile.Name(), buf, treeLink, ctx.Repo.Repository.ComposeMetas()))
} else {
ctx.Data["IsRenderedHTML"] = true
ctx.Data["FileContent"] = strings.Replace(
gotemplate.HTMLEscapeString(string(buf)), "\n", `<br>`, -1,
)
}
}
}
}
// Show latest commit info of repository in table header,
// or of directory if not in root directory.
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)
}
ctx.Data["LatestCommitStatus"] = models.CalcCommitStatus(statuses)
// Check permission to add or upload new file.
if ctx.Repo.CanWrite(models.UnitTypeCode) && ctx.Repo.IsViewBranch {
ctx.Data["CanAddFile"] = !ctx.Repo.Repository.IsArchived
ctx.Data["CanUploadFile"] = setting.Repository.Upload.Enabled && !ctx.Repo.Repository.IsArchived
}
}
func renderFile(ctx *context.Context, entry *git.TreeEntry, treeLink, rawLink string) {
ctx.Data["IsViewFile"] = true
blob := entry.Blob()
dataRc, err := blob.DataAsync()
if err != nil {
ctx.ServerError("DataAsync", err)
return
}
defer dataRc.Close()
ctx.Data["Title"] = ctx.Data["Title"].(string) + " - " + ctx.Repo.TreePath + " at " + ctx.Repo.BranchName
fileSize := blob.Size()
ctx.Data["FileSize"] = fileSize
ctx.Data["FileName"] = blob.Name()
ctx.Data["HighlightClass"] = highlight.FileNameToHighlightClass(blob.Name())
ctx.Data["RawFileLink"] = rawLink + "/" + ctx.Repo.TreePath
buf := make([]byte, 1024)
n, _ := dataRc.Read(buf)
buf = buf[:n]
isTextFile := base.IsTextFile(buf)
isLFSFile := false
ctx.Data["IsTextFile"] = isTextFile
//Check for LFS meta file
if isTextFile && setting.LFS.StartServer {
meta := lfs.IsPointerFile(&buf)
if meta != nil {
meta, err = ctx.Repo.Repository.GetLFSMetaObjectByOid(meta.Oid)
if err != nil && err != models.ErrLFSObjectNotExist {
ctx.ServerError("GetLFSMetaObject", err)
return
}
}
if meta != nil {
ctx.Data["IsLFSFile"] = true
isLFSFile = true
// OK read the lfs object
var err error
dataRc, err = lfs.ReadMetaObject(meta)
if err != nil {
ctx.ServerError("ReadMetaObject", err)
return
}
defer dataRc.Close()
buf = make([]byte, 1024)
n, err = dataRc.Read(buf)
if err != nil {
ctx.ServerError("Data", err)
return
}
buf = buf[:n]
isTextFile = base.IsTextFile(buf)
ctx.Data["IsTextFile"] = isTextFile
fileSize = meta.Size
ctx.Data["FileSize"] = meta.Size
filenameBase64 := base64.RawURLEncoding.EncodeToString([]byte(blob.Name()))
ctx.Data["RawFileLink"] = fmt.Sprintf("%s%s.git/info/lfs/objects/%s/%s", setting.AppURL, ctx.Repo.Repository.FullName(), meta.Oid, filenameBase64)
}
}
// Check LFS Lock
lfsLock, err := ctx.Repo.Repository.GetTreePathLock(ctx.Repo.TreePath)
ctx.Data["LFSLock"] = lfsLock
if err != nil {
ctx.ServerError("GetTreePathLock", err)
return
}
if lfsLock != nil {
ctx.Data["LFSLockOwner"] = lfsLock.Owner.DisplayName()
ctx.Data["LFSLockHint"] = ctx.Tr("repo.editor.this_file_locked")
}
// Assume file is not editable first.
if isLFSFile {
ctx.Data["EditFileTooltip"] = ctx.Tr("repo.editor.cannot_edit_lfs_files")
} else if !isTextFile {
ctx.Data["EditFileTooltip"] = ctx.Tr("repo.editor.cannot_edit_non_text_files")
}
switch {
case isTextFile:
if fileSize >= setting.UI.MaxDisplayFileSize {
ctx.Data["IsFileTooLarge"] = true
break
}
d, _ := ioutil.ReadAll(dataRc)
buf = charset.ToUTF8WithFallback(append(buf, d...))
readmeExist := markup.IsReadmeFile(blob.Name())
ctx.Data["ReadmeExist"] = readmeExist
if markupType := markup.Type(blob.Name()); markupType != "" {
ctx.Data["IsMarkup"] = true
ctx.Data["MarkupType"] = markupType
ctx.Data["FileContent"] = string(markup.Render(blob.Name(), buf, path.Dir(treeLink), ctx.Repo.Repository.ComposeMetas()))
} else if readmeExist {
ctx.Data["IsRenderedHTML"] = true
ctx.Data["FileContent"] = strings.Replace(
gotemplate.HTMLEscapeString(string(buf)), "\n", `<br>`, -1,
)
} else {
// Building code view blocks with line number on server side.
var fileContent string
if content, err := charset.ToUTF8WithErr(buf); err != nil {
log.Error("ToUTF8WithErr: %v", err)
fileContent = string(buf)
} else {
fileContent = content
}
var output bytes.Buffer
lines := strings.Split(fileContent, "\n")
ctx.Data["NumLines"] = len(lines)
if len(lines) == 1 && lines[0] == "" {
// If the file is completely empty, we show zero lines at the line counter
ctx.Data["NumLines"] = 0
}
ctx.Data["NumLinesSet"] = true
//Remove blank line at the end of file
if len(lines) > 0 && lines[len(lines)-1] == "" {
lines = lines[:len(lines)-1]
}
for index, line := range lines {
line = gotemplate.HTMLEscapeString(line)
if index != len(lines)-1 {
line += "\n"
}
output.WriteString(fmt.Sprintf(`<li class="L%d" rel="L%d">%s</li>`, index+1, index+1, line))
}
ctx.Data["FileContent"] = gotemplate.HTML(output.String())
output.Reset()
for i := 0; i < len(lines); i++ {
output.WriteString(fmt.Sprintf(`<span id="L%[1]d" data-line-number="%[1]d"></span>`, i+1))
}
ctx.Data["LineNums"] = gotemplate.HTML(output.String())
}
if !isLFSFile {
if ctx.Repo.CanEnableEditor() {
if lfsLock != nil && lfsLock.OwnerID != ctx.User.ID {
ctx.Data["CanEditFile"] = false
ctx.Data["EditFileTooltip"] = ctx.Tr("repo.editor.this_file_locked")
} else {
ctx.Data["CanEditFile"] = true
ctx.Data["EditFileTooltip"] = ctx.Tr("repo.editor.edit_this_file")
}
} else if !ctx.Repo.IsViewBranch {
ctx.Data["EditFileTooltip"] = ctx.Tr("repo.editor.must_be_on_a_branch")
} else if !ctx.Repo.CanWrite(models.UnitTypeCode) {
ctx.Data["EditFileTooltip"] = ctx.Tr("repo.editor.fork_before_edit")
}
}
case base.IsPDFFile(buf):
ctx.Data["IsPDFFile"] = true
case base.IsVideoFile(buf):
ctx.Data["IsVideoFile"] = true
case base.IsAudioFile(buf):
ctx.Data["IsAudioFile"] = true
case base.IsImageFile(buf):
ctx.Data["IsImageFile"] = true
default:
if fileSize >= setting.UI.MaxDisplayFileSize {
ctx.Data["IsFileTooLarge"] = true
break
}
if markupType := markup.Type(blob.Name()); markupType != "" {
d, _ := ioutil.ReadAll(dataRc)
buf = append(buf, d...)
ctx.Data["IsMarkup"] = true
ctx.Data["MarkupType"] = markupType
ctx.Data["FileContent"] = string(markup.Render(blob.Name(), buf, path.Dir(treeLink), ctx.Repo.Repository.ComposeMetas()))
}
}
if ctx.Repo.CanEnableEditor() {
if lfsLock != nil && lfsLock.OwnerID != ctx.User.ID {
ctx.Data["CanDeleteFile"] = false
ctx.Data["DeleteFileTooltip"] = ctx.Tr("repo.editor.this_file_locked")
} else {
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")
}
}
func safeURL(address string) string {
u, err := url.Parse(address)
if err != nil {
return address
}
u.User = nil
return u.String()
}
// Home render repository home page
func Home(ctx *context.Context) {
if len(ctx.Repo.Units) > 0 {
if ctx.Repo.Repository.IsBeingCreated() {
task, err := models.GetMigratingTask(ctx.Repo.Repository.ID)
if err != nil {
ctx.ServerError("models.GetMigratingTask", err)
return
}
cfg, err := task.MigrateConfig()
if err != nil {
ctx.ServerError("task.MigrateConfig", err)
return
}
ctx.Data["Repo"] = ctx.Repo
ctx.Data["MigrateTask"] = task
ctx.Data["CloneAddr"] = safeURL(cfg.CloneAddr)
ctx.HTML(200, tplMigrating)
return
}
var firstUnit *models.Unit
for _, repoUnit := range ctx.Repo.Units {
if repoUnit.Type == models.UnitTypeCode {
renderCode(ctx)
return
}
unit, ok := models.Units[repoUnit.Type]
if ok && (firstUnit == nil || !firstUnit.IsLessThan(unit)) {
firstUnit = &unit
}
}
if firstUnit != nil {
ctx.Redirect(fmt.Sprintf("%s/%s%s", setting.AppSubURL, ctx.Repo.Repository.FullName(), firstUnit.URI))
return
}
}
ctx.NotFound("Home", fmt.Errorf(ctx.Tr("units.error.no_unit_allowed_repo")))
}
func renderLanguageStats(ctx *context.Context) {
langs, err := ctx.Repo.Repository.GetTopLanguageStats(5)
if err != nil {
ctx.ServerError("Repo.GetTopLanguageStats", err)
return
}
ctx.Data["LanguageStats"] = langs
}
func renderCode(ctx *context.Context) {
ctx.Data["PageIsViewCode"] = true
if ctx.Repo.Repository.IsEmpty {
ctx.HTML(200, tplRepoEMPTY)
return
}
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["RequireHighlightJS"] = true
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
}
// Get Topics of this repo
topics, err := models.FindTopics(&models.FindTopicOptions{
RepoID: ctx.Repo.Repository.ID,
})
if err != nil {
ctx.ServerError("models.FindTopics", err)
return
}
ctx.Data["Topics"] = topics
// 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
}
renderLanguageStats(ctx)
if ctx.Written() {
return
}
if entry.IsDir() {
renderDirectory(ctx, treeLink)
} else {
renderFile(ctx, entry, treeLink, rawLink)
}
if ctx.Written() {
return
}
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, tplRepoHome)
}
// RenderUserCards render a page show users according the input templaet
func RenderUserCards(ctx *context.Context, total int, getter func(opts models.ListOptions) ([]*models.User, error), tpl base.TplName) {
page := ctx.QueryInt("page")
if page <= 0 {
page = 1
}
pager := context.NewPagination(total, models.ItemsPerPage, page, 5)
ctx.Data["Page"] = pager
items, err := getter(models.ListOptions{Page: pager.Paginater.Current()})
if err != nil {
ctx.ServerError("getter", err)
return
}
ctx.Data["Cards"] = items
ctx.HTML(200, tpl)
}
// Watchers render repository's watch users
func Watchers(ctx *context.Context) {
ctx.Data["Title"] = ctx.Tr("repo.watchers")
ctx.Data["CardsTitle"] = ctx.Tr("repo.watchers")
ctx.Data["PageIsWatchers"] = true
RenderUserCards(ctx, ctx.Repo.Repository.NumWatches, ctx.Repo.Repository.GetWatchers, tplWatchers)
}
// Stars render repository's starred users
func Stars(ctx *context.Context) {
ctx.Data["Title"] = ctx.Tr("repo.stargazers")
ctx.Data["CardsTitle"] = ctx.Tr("repo.stargazers")
ctx.Data["PageIsStargazers"] = true
RenderUserCards(ctx, ctx.Repo.Repository.NumStars, ctx.Repo.Repository.GetStargazers, tplWatchers)
}
// Forks render repository's forked users
func Forks(ctx *context.Context) {
ctx.Data["Title"] = ctx.Tr("repos.forks")
forks, err := ctx.Repo.Repository.GetForks(models.ListOptions{})
if err != nil {
ctx.ServerError("GetForks", err)
return
}
for _, fork := range forks {
if err = fork.GetOwner(); err != nil {
ctx.ServerError("GetOwner", err)
return
}
}
ctx.Data["Forks"] = forks
ctx.HTML(200, tplForks)
}