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zk/internal/core/note_new.go

111 lines
2.5 KiB
Go

package core
import (
"path/filepath"
"time"
"github.com/zk-org/zk/internal/util/opt"
"github.com/zk-org/zk/internal/util/paths"
)
type newNoteTask struct {
dir Dir
title string
content string
date time.Time
extra map[string]string
env map[string]string
fs FileStorage
filenameTemplate string
bodyTemplatePath opt.String
templates TemplateLoader
genID IDGenerator
dryRun bool
}
func (t *newNoteTask) execute() (string, string, error) {
filenameTemplate, err := t.templates.LoadTemplate(t.filenameTemplate)
if err != nil {
return "", "", err
}
var contentTemplate Template = NullTemplate
if templatePath := t.bodyTemplatePath.Unwrap(); templatePath != "" {
contentTemplate, err = t.templates.LoadTemplateAt(templatePath)
if err != nil {
return "", "", err
}
}
context := newNoteTemplateContext{
Title: t.title,
Content: t.content,
Dir: t.dir.Name,
Extra: t.extra,
Now: t.date,
Env: t.env,
}
path, context, err := t.generatePath(context, filenameTemplate)
if err != nil {
return "", "", err
}
content, err := contentTemplate.Render(context)
if err != nil {
return "", "", err
}
if !t.dryRun {
err = t.fs.Write(path, []byte(content))
if err != nil {
return "", "", err
}
}
return path, content, nil
}
func (c *newNoteTask) generatePath(context newNoteTemplateContext, filenameTemplate Template) (string, newNoteTemplateContext, error) {
var err error
var filename string
var path string
for i := 0; i < 50; i++ {
context.ID = c.genID()
filename, err = filenameTemplate.Render(context)
if err != nil {
return "", context, err
}
path = filepath.Join(c.dir.Path, filename)
exists, err := c.fs.FileExists(path)
if err != nil {
return "", context, err
} else if !exists {
context.Filename = filepath.Base(path)
context.FilenameStem = paths.FilenameStem(path)
return path, context, nil
}
}
return "", context, ErrNoteExists{
Name: filepath.Join(c.dir.Name, filename),
Path: path,
}
}
// newNoteTemplateContext holds the placeholder values which will be expanded in the templates.
type newNoteTemplateContext struct {
ID string `handlebars:"id"`
Title string
Content string
Dir string
Filename string
FilenameStem string `handlebars:"filename-stem"`
Extra map[string]string
Now time.Time
Env map[string]string
}