You can not select more than 25 topics
Topics must start with a letter or number, can include dashes ('-') and can be up to 35 characters long.
308 lines
8.3 KiB
308 lines
8.3 KiB
package main
|
|
|
|
import (
|
|
"errors"
|
|
"fmt"
|
|
"html/template"
|
|
"net/http"
|
|
"reflect"
|
|
"strconv"
|
|
"strings"
|
|
"time"
|
|
|
|
"github.com/go-chi/chi"
|
|
"github.com/goodsign/monday"
|
|
"github.com/vcraescu/go-paginator"
|
|
)
|
|
|
|
var errPostNotFound = errors.New("post not found")
|
|
|
|
type post struct {
|
|
Path string `json:"path"`
|
|
Content string `json:"content"`
|
|
Published string `json:"published"`
|
|
Updated string `json:"updated"`
|
|
Parameters map[string][]string `json:"parameters"`
|
|
Blog string `json:"blog"`
|
|
Section string `json:"section"`
|
|
Status postStatus `json:"status"`
|
|
// Not persisted
|
|
Slug string `json:"slug"`
|
|
rendered template.HTML
|
|
absoluteRendered template.HTML
|
|
}
|
|
|
|
type postStatus string
|
|
|
|
const (
|
|
statusNil postStatus = ""
|
|
statusPublished postStatus = "published"
|
|
statusDraft postStatus = "draft"
|
|
)
|
|
|
|
func servePost(w http.ResponseWriter, r *http.Request) {
|
|
as := strings.HasSuffix(r.URL.Path, ".as")
|
|
if as {
|
|
r.URL.Path = strings.TrimSuffix(r.URL.Path, ".as")
|
|
}
|
|
p, err := getPost(r.URL.Path)
|
|
if err == errPostNotFound {
|
|
serve404(w, r)
|
|
return
|
|
} else if err != nil {
|
|
serveError(w, r, err.Error(), http.StatusInternalServerError)
|
|
return
|
|
}
|
|
if as {
|
|
p.serveActivityStreams(w)
|
|
return
|
|
}
|
|
canonical := p.firstParameter("original")
|
|
if canonical == "" {
|
|
canonical = p.fullURL()
|
|
}
|
|
template := templatePost
|
|
if p.Path == appConfig.Blogs[p.Blog].Path {
|
|
template = templateStaticHome
|
|
}
|
|
w.Header().Add("Link", fmt.Sprintf("<%s>; rel=shortlink", p.shortURL()))
|
|
render(w, template, &renderData{
|
|
BlogString: p.Blog,
|
|
Canonical: canonical,
|
|
Data: p,
|
|
})
|
|
}
|
|
|
|
func redirectToRandomPost(blog string) func(http.ResponseWriter, *http.Request) {
|
|
return func(rw http.ResponseWriter, r *http.Request) {
|
|
randomPath, err := getRandomPostPath(blog)
|
|
if err != nil {
|
|
serveError(rw, r, err.Error(), http.StatusInternalServerError)
|
|
return
|
|
}
|
|
http.Redirect(rw, r, randomPath, http.StatusFound)
|
|
}
|
|
}
|
|
|
|
type postPaginationAdapter struct {
|
|
config *postsRequestConfig
|
|
nums int64
|
|
}
|
|
|
|
func (p *postPaginationAdapter) Nums() (int64, error) {
|
|
if p.nums == 0 {
|
|
nums, _ := countPosts(p.config)
|
|
p.nums = int64(nums)
|
|
}
|
|
return p.nums, nil
|
|
}
|
|
|
|
func (p *postPaginationAdapter) Slice(offset, length int, data interface{}) error {
|
|
if reflect.TypeOf(data).Kind() != reflect.Ptr {
|
|
panic("data has to be a pointer")
|
|
}
|
|
|
|
modifiedConfig := *p.config
|
|
modifiedConfig.offset = offset
|
|
modifiedConfig.limit = length
|
|
|
|
posts, err := getPosts(&modifiedConfig)
|
|
reflect.ValueOf(data).Elem().Set(reflect.ValueOf(&posts).Elem())
|
|
return err
|
|
}
|
|
|
|
func serveHome(blog string, path string) func(w http.ResponseWriter, r *http.Request) {
|
|
return func(w http.ResponseWriter, r *http.Request) {
|
|
as := strings.HasSuffix(r.URL.Path, ".as")
|
|
if as {
|
|
appConfig.Blogs[blog].serveActivityStreams(blog, w, r)
|
|
return
|
|
}
|
|
serveIndex(&indexConfig{
|
|
blog: blog,
|
|
path: path,
|
|
})(w, r)
|
|
}
|
|
}
|
|
|
|
func serveSection(blog string, path string, section *section) func(w http.ResponseWriter, r *http.Request) {
|
|
return serveIndex(&indexConfig{
|
|
blog: blog,
|
|
path: path,
|
|
section: section,
|
|
})
|
|
}
|
|
|
|
func serveTaxonomyValue(blog string, path string, tax *taxonomy, value string) func(w http.ResponseWriter, r *http.Request) {
|
|
return serveIndex(&indexConfig{
|
|
blog: blog,
|
|
path: path,
|
|
tax: tax,
|
|
taxValue: value,
|
|
})
|
|
}
|
|
|
|
func servePhotos(blog string, path string) func(w http.ResponseWriter, r *http.Request) {
|
|
return serveIndex(&indexConfig{
|
|
blog: blog,
|
|
path: path,
|
|
parameter: appConfig.Blogs[blog].Photos.Parameter,
|
|
title: appConfig.Blogs[blog].Photos.Title,
|
|
description: appConfig.Blogs[blog].Photos.Description,
|
|
summaryTemplate: templatePhotosSummary,
|
|
})
|
|
}
|
|
|
|
func serveSearchResults(blog string, path string) func(w http.ResponseWriter, r *http.Request) {
|
|
return serveIndex(&indexConfig{
|
|
blog: blog,
|
|
path: path,
|
|
})
|
|
}
|
|
|
|
func serveDate(blog string, path string, year, month, day int) func(w http.ResponseWriter, r *http.Request) {
|
|
var title string
|
|
// Specific
|
|
if year != 0 && month == 0 && day == 0 {
|
|
title = fmt.Sprintf("%0004d", year)
|
|
} else if year != 0 && month != 0 && day == 0 {
|
|
ml := monday.Locale(appConfig.Blogs[blog].TimeLang)
|
|
date := time.Date(year, time.Month(month), 1, 1, 0, 0, 0, time.Local)
|
|
title = monday.Format(date, "January 2006", ml)
|
|
} else if year != 0 && month != 0 && day != 0 {
|
|
ml := monday.Locale(appConfig.Blogs[blog].TimeLang)
|
|
date := time.Date(year, time.Month(month), day, 1, 0, 0, 0, time.Local)
|
|
title = monday.Format(date, "January 2, 2006", ml)
|
|
} else
|
|
// Generic
|
|
if year == 0 && month != 0 && day == 0 {
|
|
ml := monday.Locale(appConfig.Blogs[blog].TimeLang)
|
|
date := time.Date(0, time.Month(month), 1, 1, 0, 0, 0, time.Local)
|
|
title = monday.Format(date, "January", ml)
|
|
} else if year == 0 && month != 0 && day != 0 {
|
|
ml := monday.Locale(appConfig.Blogs[blog].TimeLang)
|
|
date := time.Date(0, time.Month(month), day, 1, 0, 0, 0, time.Local)
|
|
title = monday.Format(date, "January 2", ml)
|
|
}
|
|
return serveIndex(&indexConfig{
|
|
blog: blog,
|
|
path: path,
|
|
year: year,
|
|
month: month,
|
|
day: day,
|
|
title: title,
|
|
})
|
|
}
|
|
|
|
type indexConfig struct {
|
|
blog string
|
|
path string
|
|
section *section
|
|
tax *taxonomy
|
|
taxValue string
|
|
parameter string
|
|
year, month, day int
|
|
title string
|
|
description string
|
|
summaryTemplate string
|
|
}
|
|
|
|
func serveIndex(ic *indexConfig) func(w http.ResponseWriter, r *http.Request) {
|
|
return func(w http.ResponseWriter, r *http.Request) {
|
|
search := chi.URLParam(r, "search")
|
|
if search != "" {
|
|
search = searchDecode(search)
|
|
}
|
|
pageNoString := chi.URLParam(r, "page")
|
|
pageNo, _ := strconv.Atoi(pageNoString)
|
|
var sections []string
|
|
if ic.section != nil {
|
|
sections = []string{ic.section.Name}
|
|
} else {
|
|
for sectionKey := range appConfig.Blogs[ic.blog].Sections {
|
|
sections = append(sections, sectionKey)
|
|
}
|
|
}
|
|
p := paginator.New(&postPaginationAdapter{config: &postsRequestConfig{
|
|
blog: ic.blog,
|
|
sections: sections,
|
|
taxonomy: ic.tax,
|
|
taxonomyValue: ic.taxValue,
|
|
parameter: ic.parameter,
|
|
search: search,
|
|
publishedYear: ic.year,
|
|
publishedMonth: ic.month,
|
|
publishedDay: ic.day,
|
|
status: statusPublished,
|
|
}}, appConfig.Blogs[ic.blog].Pagination)
|
|
p.SetPage(pageNo)
|
|
var posts []*post
|
|
err := p.Results(&posts)
|
|
if err != nil {
|
|
serveError(w, r, err.Error(), http.StatusInternalServerError)
|
|
return
|
|
}
|
|
// Meta
|
|
title := ic.title
|
|
description := ic.description
|
|
if ic.tax != nil {
|
|
title = fmt.Sprintf("%s: %s", ic.tax.Title, ic.taxValue)
|
|
} else if ic.section != nil {
|
|
title = ic.section.Title
|
|
description = ic.section.Description
|
|
} else if search != "" {
|
|
title = fmt.Sprintf("%s: %s", appConfig.Blogs[ic.blog].Search.Title, search)
|
|
}
|
|
// Check if feed
|
|
if ft := feedType(chi.URLParam(r, "feed")); ft != noFeed {
|
|
generateFeed(ic.blog, ft, w, r, posts, title, description)
|
|
return
|
|
}
|
|
// Path
|
|
path := ic.path
|
|
if strings.Contains(path, searchPlaceholder) {
|
|
path = strings.ReplaceAll(path, searchPlaceholder, searchEncode(search))
|
|
}
|
|
// Navigation
|
|
var hasPrev, hasNext bool
|
|
var prevPage, nextPage int
|
|
var prevPath, nextPath string
|
|
hasPrev, _ = p.HasPrev()
|
|
if hasPrev {
|
|
prevPage, _ = p.PrevPage()
|
|
} else {
|
|
prevPage, _ = p.Page()
|
|
}
|
|
if prevPage < 2 {
|
|
prevPath = path
|
|
} else {
|
|
prevPath = fmt.Sprintf("%s/page/%d", path, prevPage)
|
|
}
|
|
hasNext, _ = p.HasNext()
|
|
if hasNext {
|
|
nextPage, _ = p.NextPage()
|
|
} else {
|
|
nextPage, _ = p.Page()
|
|
}
|
|
nextPath = fmt.Sprintf("%s/page/%d", path, nextPage)
|
|
summaryTemplate := ic.summaryTemplate
|
|
if summaryTemplate == "" {
|
|
summaryTemplate = templateSummary
|
|
}
|
|
render(w, templateIndex, &renderData{
|
|
BlogString: ic.blog,
|
|
Canonical: appConfig.Server.PublicAddress + path,
|
|
Data: map[string]interface{}{
|
|
"Title": title,
|
|
"Description": description,
|
|
"Posts": posts,
|
|
"HasPrev": hasPrev,
|
|
"HasNext": hasNext,
|
|
"First": slashIfEmpty(path),
|
|
"Prev": slashIfEmpty(prevPath),
|
|
"Next": slashIfEmpty(nextPath),
|
|
"SummaryTemplate": summaryTemplate,
|
|
},
|
|
})
|
|
}
|
|
}
|