mirror of
https://github.com/hanzoai/forge.git
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zeekayandHanzo Dev
aa87442fdd
Source files keep their SPDX-License-Identifier and Hanzo copyright line; the Gitea, Gogs and LFS Test Server copyrights they used to repeat now live once in NOTICE, alongside LICENSE. The header lint accepts any copyright line above the SPDX line, so it no longer demands an upstream one. Co-authored-by: Hanzo Dev <[email protected]>
121 lines
3.4 KiB
Go
121 lines
3.4 KiB
Go
// Copyright 2026 Hanzo AI, Inc. All rights reserved.
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// SPDX-License-Identifier: MIT
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package markup
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import (
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"bufio"
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"context"
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"errors"
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"html/template"
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"strings"
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"github.com/hanzoai/git/models/perm/access"
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"github.com/hanzoai/git/models/repo"
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"github.com/hanzoai/git/models/unit"
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"github.com/hanzoai/git/modules/charset"
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"github.com/hanzoai/git/modules/git/languagestats"
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"github.com/hanzoai/git/modules/gitrepo"
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"github.com/hanzoai/git/modules/indexer/code"
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"github.com/hanzoai/git/modules/markup"
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"github.com/hanzoai/git/modules/setting"
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"github.com/hanzoai/git/modules/util"
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git_context "github.com/hanzoai/git/services/context"
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)
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func renderRepoFileCodePreview(ctx context.Context, opts markup.RenderCodePreviewOptions) (template.HTML, error) {
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opts.LineStop = max(opts.LineStop, opts.LineStart)
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lineCount := opts.LineStop - opts.LineStart + 1
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if lineCount <= 0 || lineCount > 140 /* GitHub at most show 140 lines */ {
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lineCount = 10
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opts.LineStop = opts.LineStart + lineCount
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}
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dbRepo, err := repo.GetRepositoryByOwnerAndName(ctx, opts.OwnerName, opts.RepoName)
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if err != nil {
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return "", err
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}
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webCtx := git_context.GetWebContext(ctx)
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if webCtx == nil {
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return "", errors.New("context is not a web context")
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}
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doer := webCtx.Doer
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perms, err := access.GetDoerRepoPermission(ctx, dbRepo, doer)
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if err != nil {
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return "", err
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}
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if !perms.CanRead(unit.TypeCode) {
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return "", util.ErrPermissionDenied
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}
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gitRepo, err := gitrepo.OpenRepository(ctx, dbRepo)
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if err != nil {
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return "", err
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}
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defer gitRepo.Close()
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commit, err := gitRepo.GetCommit(opts.CommitID)
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if err != nil {
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return "", err
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}
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language, _ := languagestats.GetFileLanguage(ctx, gitRepo, opts.CommitID, opts.FilePath)
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blob, err := commit.GetBlobByPath(ctx, gitRepo, opts.FilePath)
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if err != nil {
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return "", err
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}
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if blob.Size() > setting.UI.MaxDisplayFileSize {
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return "", errors.New("file is too large")
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}
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dataRc, err := blob.DataAsync()
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if err != nil {
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return "", err
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}
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defer dataRc.Close()
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reader := bufio.NewReader(dataRc)
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for i := 1; i < opts.LineStart; i++ {
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if _, err = reader.ReadBytes('\n'); err != nil {
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return "", err
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}
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}
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lineNums := make([]int, 0, lineCount)
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lineCodes := make([]string, 0, lineCount)
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for i := opts.LineStart; i <= opts.LineStop; i++ {
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line, err := reader.ReadString('\n')
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if err != nil && line == "" {
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break
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}
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lineNums = append(lineNums, i)
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lineCodes = append(lineCodes, line)
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}
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realLineStop := max(opts.LineStart, opts.LineStart+len(lineNums)-1)
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highlightLines := code.HighlightSearchResultCode(opts.FilePath, language, lineNums, strings.Join(lineCodes, ""))
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escapeStatus := &charset.EscapeStatus{}
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lineEscapeStatus := make([]*charset.EscapeStatus, len(highlightLines))
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for i, hl := range highlightLines {
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lineEscapeStatus[i], hl.FormattedContent = charset.EscapeControlHTML(hl.FormattedContent, webCtx.Base.Locale, charset.EscapeOptionsForView())
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escapeStatus = escapeStatus.Or(lineEscapeStatus[i])
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}
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return webCtx.RenderToHTML("base/markup_codepreview", map[string]any{
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"FullURL": opts.FullURL,
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"FilePath": opts.FilePath,
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"LineStart": opts.LineStart,
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"LineStop": realLineStop,
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"RepoName": opts.RepoName,
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"RepoLink": dbRepo.Link(),
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"CommitID": opts.CommitID,
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"HighlightLines": highlightLines,
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"EscapeStatus": escapeStatus,
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"LineEscapeStatus": lineEscapeStatus,
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})
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}
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