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50a72e7a83
The idea is to use a Layered Asset File-system (modules/assetfs/layered.go) For example: when there are 2 layers: "custom", "builtin", when access to asset "my/page.tmpl", the Layered Asset File-system will first try to use "custom" assets, if not found, then use "builtin" assets. This approach will hugely simplify a lot of code, make them testable. Other changes: * Simplify the AssetsHandlerFunc code * Simplify the `gitea embedded` sub-command code --------- Co-authored-by: Jason Song <i@wolfogre.com> Co-authored-by: Lunny Xiao <xiaolunwen@gmail.com>
91 lines
2.6 KiB
Go
91 lines
2.6 KiB
Go
// Copyright 2022 The Gitea Authors. 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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"html/template"
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"strings"
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texttmpl "text/template"
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"code.gitea.io/gitea/modules/base"
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"code.gitea.io/gitea/modules/log"
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"code.gitea.io/gitea/modules/setting"
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)
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// mailSubjectTextFuncMap returns functions for injecting to text templates, it's only used for mail subject
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func mailSubjectTextFuncMap() texttmpl.FuncMap {
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return texttmpl.FuncMap{
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"dict": dict,
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"Eval": Eval,
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"EllipsisString": base.EllipsisString,
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"AppName": func() string {
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return setting.AppName
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},
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"AppDomain": func() string { // documented in mail-templates.md
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return setting.Domain
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},
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}
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}
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func buildSubjectBodyTemplate(stpl *texttmpl.Template, btpl *template.Template, name string, content []byte) {
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// Split template into subject and body
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var subjectContent []byte
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bodyContent := content
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loc := mailSubjectSplit.FindIndex(content)
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if loc != nil {
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subjectContent = content[0:loc[0]]
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bodyContent = content[loc[1]:]
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}
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if _, err := stpl.New(name).
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Parse(string(subjectContent)); err != nil {
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log.Warn("Failed to parse template [%s/subject]: %v", name, err)
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}
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if _, err := btpl.New(name).
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Parse(string(bodyContent)); err != nil {
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log.Warn("Failed to parse template [%s/body]: %v", name, err)
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}
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}
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// Mailer provides the templates required for sending notification mails.
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func Mailer(ctx context.Context) (*texttmpl.Template, *template.Template) {
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subjectTemplates := texttmpl.New("")
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bodyTemplates := template.New("")
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subjectTemplates.Funcs(mailSubjectTextFuncMap())
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for _, funcs := range NewFuncMap() {
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bodyTemplates.Funcs(funcs)
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}
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assetFS := AssetFS()
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refreshTemplates := func() {
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assetPaths, err := ListMailTemplateAssetNames(assetFS)
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if err != nil {
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log.Error("Failed to list mail templates: %v", err)
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return
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}
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for _, assetPath := range assetPaths {
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content, layerName, err := assetFS.ReadLayeredFile(assetPath)
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if err != nil {
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log.Warn("Failed to read mail template %s by %s: %v", assetPath, layerName, err)
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continue
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}
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tmplName := strings.TrimPrefix(strings.TrimSuffix(assetPath, ".tmpl"), "mail/")
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log.Trace("Adding mail template %s: %s by %s", tmplName, assetPath, layerName)
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buildSubjectBodyTemplate(subjectTemplates, bodyTemplates, tmplName, content)
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}
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}
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refreshTemplates()
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if !setting.IsProd {
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// Now subjectTemplates and bodyTemplates are both synchronized
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// thus it is safe to call refresh from a different goroutine
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go assetFS.WatchLocalChanges(ctx, refreshTemplates)
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}
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return subjectTemplates, bodyTemplates
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}
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