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// Copyright 2016 The Hugo Authors. All rights reserved.
//
// Licensed under the Apache License, Version 2.0 (the "License");
// you may not use this file except in compliance with the License.
// You may obtain a copy of the License at
// http://www.apache.org/licenses/LICENSE-2.0
//
// Unless required by applicable law or agreed to in writing, software
// distributed under the License is distributed on an "AS IS" BASIS,
// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
// See the License for the specific language governing permissions and
// limitations under the License.
// Package create provides functions to create new content.
package create
import (
"bytes"
"os"
"os/exec"
"path"
"path/filepath"
"strings"
"time"
"github.com/spf13/afero"
"github.com/spf13/cast"
"github.com/spf13/hugo/helpers"
"github.com/spf13/hugo/hugolib"
"github.com/spf13/hugo/parser"
jww "github.com/spf13/jwalterweatherman"
"github.com/spf13/viper"
)
// NewContent creates a new content file in the content directory based upon the
// given kind, which is used to lookup an archetype.
func NewContent(s *hugolib.Site, kind, name string) (err error) {
jww.INFO.Println("attempting to create ", name, "of", kind)
location := FindArchetype(s.Fs.Source, kind)
var by []byte
if location != "" {
by, err = afero.ReadFile(s.Fs.Source, location)
if err != nil {
jww.ERROR.Println(err)
}
}
if location == "" || err != nil {
by = []byte("+++\ndraft = true \n+++\n")
}
psr, err := parser.ReadFrom(bytes.NewReader(by))
if err != nil {
return err
}
metadata, err := createMetadata(psr, name)
if err != nil {
jww.ERROR.Printf("Error processing archetype file %s: %s\n", location, err)
return err
}
page, err := s.NewPage(name)
if err != nil {
return err
}
if err = page.SetSourceMetaData(metadata, parser.FormatToLeadRune(viper.GetString("metaDataFormat"))); err != nil {
return
}
page.SetSourceContent(psr.Content())
if err = page.SafeSaveSourceAs(filepath.Join(viper.GetString("contentDir"), name)); err != nil {
return
}
jww.FEEDBACK.Println(helpers.AbsPathify(filepath.Join(viper.GetString("contentDir"), name)), "created")
editor := viper.GetString("newContentEditor")
if editor != "" {
jww.FEEDBACK.Printf("Editing %s with %q ...\n", name, editor)
cmd := exec.Command(editor, helpers.AbsPathify(path.Join(viper.GetString("contentDir"), name)))
cmd.Stdin = os.Stdin
cmd.Stdout = os.Stdout
cmd.Stderr = os.Stderr
return cmd.Run()
}
return nil
}
// createMetadata generates Metadata for a new page based upon the metadata
// found in an archetype.
func createMetadata(archetype parser.Page, name string) (map[string]interface{}, error) {
archMetadata, err := archetype.Metadata()
if err != nil {
return nil, err
}
metadata, err := cast.ToStringMapE(archMetadata)
if err != nil {
return nil, err
}
var date time.Time
for k, v := range metadata {
if v == "" {
continue
}
lk := strings.ToLower(k)
switch lk {
case "date":
date, err = cast.ToTimeE(v)
if err != nil {
return nil, err
}
case "title":
// Use the archetype title as is
metadata[lk] = v
}
}
if metadata == nil {
metadata = make(map[string]interface{})
}
if date.IsZero() {
date = time.Now()
}
if _, ok := metadata["title"]; !ok {
metadata["title"] = helpers.MakeTitle(helpers.Filename(name))
}
// TOD(bep) what is this?
if x := parser.FormatSanitize(viper.GetString("metaDataFormat")); x == "json" || x == "yaml" || x == "toml" {
metadata["date"] = date.Format(time.RFC3339)
} else {
metadata["date"] = date
}
return metadata, nil
}
// FindArchetype takes a given kind/archetype of content and returns an output
// path for that archetype. If no archetype is found, an empty string is
// returned.
func FindArchetype(fs afero.Fs, kind string) (outpath string) {
search := []string{helpers.AbsPathify(viper.GetString("archetypeDir"))}
if viper.GetString("theme") != "" {
themeDir := filepath.Join(helpers.AbsPathify(viper.GetString("themesDir")+"/"+viper.GetString("theme")), "/archetypes/")
if _, err := fs.Stat(themeDir); os.IsNotExist(err) {
jww.ERROR.Printf("Unable to find archetypes directory for theme %q at %q", viper.GetString("theme"), themeDir)
} else {
search = append(search, themeDir)
}
}
for _, x := range search {
// If the new content isn't in a subdirectory, kind == "".
// Therefore it should be excluded otherwise `is a directory`
// error will occur. github.com/spf13/hugo/issues/411
var pathsToCheck []string
if kind == "" {
pathsToCheck = []string{"default.md", "default"}
} else {
pathsToCheck = []string{kind + ".md", kind, "default.md", "default"}
}
for _, p := range pathsToCheck {
curpath := filepath.Join(x, p)
jww.DEBUG.Println("checking", curpath, "for archetypes")
if exists, _ := helpers.Exists(curpath, fs); exists {
jww.INFO.Println("curpath: " + curpath)
return curpath
}
}
}
return ""
}
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