ref: 708bc78770a0b0361908f6404f57264c53252a95
dir: /hugolib/hugo_sites.go/
// Copyright 2016-present 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 hugolib
import (
"errors"
"strings"
"time"
"github.com/spf13/viper"
"github.com/fsnotify/fsnotify"
"github.com/spf13/hugo/source"
"github.com/spf13/hugo/tpl"
jww "github.com/spf13/jwalterweatherman"
)
// HugoSites represents the sites to build. Each site represents a language.
type HugoSites struct {
Sites []*Site
Multilingual *Multilingual
}
func NewHugoSites(sites ...*Site) (*HugoSites, error) {
languages := make(Languages, len(sites))
for i, s := range sites {
if s.Language == nil {
return nil, errors.New("Missing language for site")
}
languages[i] = s.Language
}
defaultLang := viper.GetString("DefaultContentLanguage")
if defaultLang == "" {
defaultLang = "en"
}
langConfig := &Multilingual{Languages: languages, DefaultLang: NewLanguage(defaultLang)}
return &HugoSites{Multilingual: langConfig, Sites: sites}, nil
}
// Reset resets the sites, making it ready for a full rebuild.
// TODO(bep) multilingo
func (h HugoSites) Reset() {
for i, s := range h.Sites {
h.Sites[i] = s.Reset()
}
}
type BuildCfg struct {
// Whether we are in watch (server) mode
Watching bool
// Print build stats at the end of a build
PrintStats bool
// Skip rendering. Useful for testing.
skipRender bool
// Use this to add templates to use for rendering.
// Useful for testing.
withTemplate func(templ tpl.Template) error
}
// Build builds all sites.
func (h HugoSites) Build(config BuildCfg) error {
if h.Sites == nil || len(h.Sites) == 0 {
return errors.New("No site(s) to build")
}
t0 := time.Now()
// We should probably refactor the Site and pull up most of the logic from there to here,
// but that seems like a daunting task.
// So for now, if there are more than one site (language),
// we pre-process the first one, then configure all the sites based on that.
firstSite := h.Sites[0]
for _, s := range h.Sites {
// TODO(bep) ml
s.Multilingual = h.Multilingual
s.RunMode.Watching = config.Watching
}
if err := firstSite.PreProcess(config); err != nil {
return err
}
h.setupTranslations(firstSite)
if len(h.Sites) > 1 {
// Initialize the rest
for _, site := range h.Sites[1:] {
site.Tmpl = firstSite.Tmpl
site.initializeSiteInfo()
}
}
for _, s := range h.Sites {
if err := s.PostProcess(); err != nil {
return err
}
if !config.skipRender {
if err := s.Render(); err != nil {
return err
}
}
if config.PrintStats {
s.Stats()
}
// TODO(bep) ml lang in site.Info?
// TODO(bep) ml Page sorting?
}
if config.PrintStats {
jww.FEEDBACK.Printf("total in %v ms\n", int(1000*time.Since(t0).Seconds()))
}
return nil
}
// Rebuild rebuilds all sites.
func (h HugoSites) Rebuild(config BuildCfg, events ...fsnotify.Event) error {
t0 := time.Now()
firstSite := h.Sites[0]
for _, s := range h.Sites {
s.resetBuildState()
}
sourceChanged, err := firstSite.ReBuild(events)
if err != nil {
return err
}
// Assign pages to sites per translation.
h.setupTranslations(firstSite)
for _, s := range h.Sites {
if sourceChanged {
if err := s.PostProcess(); err != nil {
return err
}
}
if !config.skipRender {
if err := s.Render(); err != nil {
return err
}
}
if config.PrintStats {
s.Stats()
}
}
if config.PrintStats {
jww.FEEDBACK.Printf("total in %v ms\n", int(1000*time.Since(t0).Seconds()))
}
return nil
}
func (s *HugoSites) setupTranslations(master *Site) {
for _, p := range master.rawAllPages {
if p.Lang() == "" {
panic("Page language missing: " + p.Title)
}
shouldBuild := p.shouldBuild()
for i, site := range s.Sites {
if strings.HasPrefix(site.Language.Lang, p.Lang()) {
site.updateBuildStats(p)
if shouldBuild {
site.Pages = append(site.Pages, p)
p.Site = &site.Info
}
}
if !shouldBuild {
continue
}
if i == 0 {
site.AllPages = append(site.AllPages, p)
}
}
for i := 1; i < len(s.Sites); i++ {
s.Sites[i].AllPages = s.Sites[0].AllPages
}
}
if len(s.Sites) > 1 {
pages := s.Sites[0].AllPages
allTranslations := pagesToTranslationsMap(s.Multilingual, pages)
assignTranslationsToPages(allTranslations, pages)
}
}
func (s *Site) updateBuildStats(page *Page) {
if page.IsDraft() {
s.draftCount++
}
if page.IsFuture() {
s.futureCount++
}
if page.IsExpired() {
s.expiredCount++
}
}
// Convenience func used in tests to build a single site/language excluding render phase.
func buildSiteSkipRender(s *Site, additionalTemplates ...string) error {
return doBuildSite(s, false, additionalTemplates...)
}
// Convenience func used in tests to build a single site/language including render phase.
func buildAndRenderSite(s *Site, additionalTemplates ...string) error {
return doBuildSite(s, true, additionalTemplates...)
}
// Convenience func used in tests to build a single site/language.
func doBuildSite(s *Site, render bool, additionalTemplates ...string) error {
sites, err := NewHugoSites(s)
if err != nil {
return err
}
addTemplates := func(templ tpl.Template) error {
for i := 0; i < len(additionalTemplates); i += 2 {
err := templ.AddTemplate(additionalTemplates[i], additionalTemplates[i+1])
if err != nil {
return err
}
}
return nil
}
config := BuildCfg{skipRender: !render, withTemplate: addTemplates}
return sites.Build(config)
}
// Convenience func used in tests.
func newHugoSitesFromSourceAndLanguages(input []source.ByteSource, languages Languages) (*HugoSites, error) {
if len(languages) == 0 {
panic("Must provide at least one language")
}
first := &Site{
Source: &source.InMemorySource{ByteSource: input},
Language: languages[0],
}
if len(languages) == 1 {
return NewHugoSites(first)
}
sites := make([]*Site, len(languages))
sites[0] = first
for i := 1; i < len(languages); i++ {
sites[i] = &Site{Language: languages[i]}
}
return NewHugoSites(sites...)
}
// Convenience func used in tests.
func newHugoSitesFromLanguages(languages Languages) (*HugoSites, error) {
return newHugoSitesFromSourceAndLanguages(nil, languages)
}