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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]>
104 lines
3.0 KiB
Go
104 lines
3.0 KiB
Go
// Copyright 2026 Hanzo AI, Inc. All rights reserved.
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// SPDX-License-Identifier: MIT
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package templates
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import (
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"context"
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"fmt"
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"html/template"
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"io"
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"net/http"
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"slices"
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"strings"
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"sync"
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texttemplate "text/template"
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"github.com/hanzoai/git/modules/graceful"
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"github.com/hanzoai/git/modules/log"
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"github.com/hanzoai/git/modules/setting"
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"github.com/hanzoai/git/modules/util"
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)
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type pageRenderer struct {
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tmplRenderer *tmplRender
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}
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func (r *pageRenderer) funcMap(ctx context.Context) template.FuncMap {
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pageFuncMap := newFuncMapWebPage()
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pageFuncMap["ctx"] = func() any { return ctx }
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return pageFuncMap
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}
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func (r *pageRenderer) funcMapDummy() template.FuncMap {
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dummyFuncMap := newFuncMapWebPage()
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dummyFuncMap["ctx"] = func() any { return nil } // for template compilation only, no context available
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return dummyFuncMap
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}
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func (r *pageRenderer) TemplateLookup(tmpl string, templateCtx context.Context) (TemplateExecutor, error) { //nolint:revive // we don't use ctx, only pass it to the template executor
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tmpls := r.tmplRenderer.Templates()
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if tmpls == nil {
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return nil, fmt.Errorf("no templates defined for %s", tmpl)
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}
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return tmpls.Executor(tmpl, r.funcMap(templateCtx))
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}
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func (r *pageRenderer) HTML(w io.Writer, status int, tplName TplName, data any, templateCtx context.Context) error { //nolint:revive // we don't use ctx, only pass it to the template executor
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name := string(tplName)
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if respWriter, ok := w.(http.ResponseWriter); ok {
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if respWriter.Header().Get("Content-Type") == "" {
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respWriter.Header().Set("Content-Type", "text/html; charset=utf-8")
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}
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respWriter.WriteHeader(status)
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}
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t, err := r.TemplateLookup(name, templateCtx)
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if err != nil {
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return texttemplate.ExecError{Name: name, Err: err}
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}
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return t.Execute(w, data)
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}
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var PageRenderer = sync.OnceValue(func() *pageRenderer {
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rendererType := util.Iif(setting.IsProd, "static", "auto-reloading")
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log.Debug("Creating %s HTML Renderer", rendererType)
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assetFS := AssetFS()
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tr := &tmplRender{
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collectTemplateNames: func() ([]string, error) {
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names, err := assetFS.ListAllFiles(".", true)
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if err != nil {
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return nil, err
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}
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names = slices.DeleteFunc(names, func(file string) bool {
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return strings.HasPrefix(file, "mail/") || !strings.HasSuffix(file, ".tmpl")
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})
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for i, file := range names {
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names[i] = strings.TrimSuffix(file, ".tmpl")
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}
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return names, nil
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},
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readTemplateContent: func(name string) ([]byte, error) {
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return assetFS.ReadFile(name + ".tmpl")
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},
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}
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pr := &pageRenderer{tmplRenderer: tr}
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if err := tr.recompileTemplates(pr.funcMapDummy()); err != nil {
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processStartupTemplateError(err)
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}
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if !setting.IsProd {
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go AssetFS().WatchLocalChanges(graceful.GetManager().ShutdownContext(), func() {
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if err := tr.recompileTemplates(pr.funcMapDummy()); err != nil {
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log.Error("Template error: %v\n%s", err, log.Stack(2))
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}
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})
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}
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return pr
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})
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func PageRendererReload() error {
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return PageRenderer().tmplRenderer.recompileTemplates(PageRenderer().funcMapDummy())
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}
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