2020-07-28 19:17:07 +00:00
|
|
|
package main
|
|
|
|
|
|
|
|
import (
|
|
|
|
"errors"
|
2020-08-05 17:54:04 +00:00
|
|
|
"fmt"
|
2020-10-18 09:54:29 +00:00
|
|
|
"html/template"
|
2020-07-28 19:17:07 +00:00
|
|
|
"net/http"
|
2020-08-24 18:49:33 +00:00
|
|
|
"reflect"
|
2020-08-05 17:54:04 +00:00
|
|
|
"strconv"
|
2020-09-24 15:13:03 +00:00
|
|
|
"strings"
|
2020-10-06 17:07:48 +00:00
|
|
|
|
|
|
|
"github.com/go-chi/chi"
|
|
|
|
"github.com/vcraescu/go-paginator"
|
2020-07-28 19:17:07 +00:00
|
|
|
)
|
|
|
|
|
2020-07-30 19:18:13 +00:00
|
|
|
var errPostNotFound = errors.New("post not found")
|
2020-07-28 19:17:07 +00:00
|
|
|
|
2020-10-15 15:32:46 +00:00
|
|
|
type post struct {
|
2020-08-31 19:12:43 +00:00
|
|
|
Path string `json:"path"`
|
|
|
|
Content string `json:"content"`
|
|
|
|
Published string `json:"published"`
|
|
|
|
Updated string `json:"updated"`
|
|
|
|
Parameters map[string][]string `json:"parameters"`
|
2020-10-06 17:07:48 +00:00
|
|
|
Blog string `json:"blog"`
|
|
|
|
Section string `json:"section"`
|
|
|
|
// Not persisted
|
2020-10-18 09:54:29 +00:00
|
|
|
Slug string `json:"slug"`
|
|
|
|
rendered template.HTML
|
2020-07-28 19:17:07 +00:00
|
|
|
}
|
|
|
|
|
2020-07-29 14:41:36 +00:00
|
|
|
func servePost(w http.ResponseWriter, r *http.Request) {
|
2020-10-26 16:37:31 +00:00
|
|
|
as := strings.HasSuffix(r.URL.Path, ".as")
|
|
|
|
if as {
|
|
|
|
r.URL.Path = strings.TrimSuffix(r.URL.Path, ".as")
|
2020-09-24 15:13:03 +00:00
|
|
|
}
|
2020-11-06 17:45:31 +00:00
|
|
|
p, err := getPost(r.URL.Path)
|
2020-07-30 19:18:13 +00:00
|
|
|
if err == errPostNotFound {
|
2020-07-31 19:02:47 +00:00
|
|
|
serve404(w, r)
|
2020-07-29 14:41:36 +00:00
|
|
|
return
|
2020-07-28 19:17:07 +00:00
|
|
|
} else if err != nil {
|
2020-07-29 14:41:36 +00:00
|
|
|
http.Error(w, err.Error(), http.StatusInternalServerError)
|
|
|
|
return
|
2020-07-28 19:17:07 +00:00
|
|
|
}
|
2020-10-26 16:37:31 +00:00
|
|
|
if as {
|
|
|
|
p.serveActivityStreams(w)
|
|
|
|
return
|
|
|
|
}
|
2020-11-01 17:37:21 +00:00
|
|
|
canonical := p.firstParameter("original")
|
|
|
|
if canonical == "" {
|
|
|
|
canonical = appConfig.Server.PublicAddress + p.Path
|
|
|
|
}
|
2020-10-12 16:47:23 +00:00
|
|
|
render(w, templatePost, &renderData{
|
2020-10-15 15:32:46 +00:00
|
|
|
blogString: p.Blog,
|
2020-11-01 17:37:21 +00:00
|
|
|
Canonical: canonical,
|
2020-10-15 15:32:46 +00:00
|
|
|
Data: p,
|
2020-10-12 16:47:23 +00:00
|
|
|
})
|
2020-07-28 19:17:07 +00:00
|
|
|
}
|
|
|
|
|
2020-09-01 16:14:49 +00:00
|
|
|
type indexTemplateData struct {
|
2020-10-06 17:07:48 +00:00
|
|
|
Blog string
|
2020-09-01 16:14:49 +00:00
|
|
|
Title string
|
|
|
|
Description string
|
2020-10-15 15:32:46 +00:00
|
|
|
Posts []*post
|
2020-09-01 16:14:49 +00:00
|
|
|
HasPrev bool
|
|
|
|
HasNext bool
|
2020-09-02 15:56:18 +00:00
|
|
|
First string
|
2020-09-01 16:14:49 +00:00
|
|
|
Prev string
|
|
|
|
Next string
|
2020-08-05 17:54:04 +00:00
|
|
|
}
|
|
|
|
|
2020-08-24 18:49:33 +00:00
|
|
|
type postPaginationAdapter struct {
|
2020-10-19 18:25:30 +00:00
|
|
|
config *postsRequestConfig
|
|
|
|
nums int
|
2020-08-24 18:49:33 +00:00
|
|
|
}
|
|
|
|
|
|
|
|
func (p *postPaginationAdapter) Nums() int {
|
|
|
|
if p.nums == 0 {
|
2020-10-19 18:25:30 +00:00
|
|
|
p.nums, _ = countPosts(p.config)
|
2020-08-24 18:49:33 +00:00
|
|
|
}
|
|
|
|
return p.nums
|
|
|
|
}
|
|
|
|
|
|
|
|
func (p *postPaginationAdapter) Slice(offset, length int, data interface{}) error {
|
|
|
|
if reflect.TypeOf(data).Kind() != reflect.Ptr {
|
|
|
|
panic("data has to be a pointer")
|
|
|
|
}
|
|
|
|
|
2020-08-31 19:12:43 +00:00
|
|
|
modifiedConfig := *p.config
|
|
|
|
modifiedConfig.offset = offset
|
|
|
|
modifiedConfig.limit = length
|
|
|
|
|
2020-10-19 18:25:30 +00:00
|
|
|
posts, err := getPosts(&modifiedConfig)
|
2020-08-24 18:49:33 +00:00
|
|
|
reflect.ValueOf(data).Elem().Set(reflect.ValueOf(&posts).Elem())
|
|
|
|
return err
|
|
|
|
}
|
|
|
|
|
2020-10-15 17:50:34 +00:00
|
|
|
func serveHome(blog string, path string) func(w http.ResponseWriter, r *http.Request) {
|
2020-10-26 16:37:31 +00:00
|
|
|
return func(w http.ResponseWriter, r *http.Request) {
|
|
|
|
as := strings.HasSuffix(r.URL.Path, ".as")
|
|
|
|
if as {
|
|
|
|
appConfig.Blogs[blog].serveActivityStreams(blog, w)
|
|
|
|
return
|
|
|
|
}
|
|
|
|
serveIndex(&indexConfig{
|
|
|
|
blog: blog,
|
|
|
|
path: path,
|
|
|
|
})(w, r)
|
|
|
|
}
|
2020-08-25 18:55:32 +00:00
|
|
|
}
|
|
|
|
|
2020-10-15 17:50:34 +00:00
|
|
|
func serveSection(blog string, path string, section *section) func(w http.ResponseWriter, r *http.Request) {
|
2020-09-21 16:03:05 +00:00
|
|
|
return serveIndex(&indexConfig{
|
2020-10-06 17:07:48 +00:00
|
|
|
blog: blog,
|
2020-09-21 16:03:05 +00:00
|
|
|
path: path,
|
|
|
|
section: section,
|
|
|
|
})
|
2020-08-31 19:12:43 +00:00
|
|
|
}
|
|
|
|
|
2020-10-06 17:07:48 +00:00
|
|
|
func serveTaxonomy(blog string, tax *taxonomy) func(w http.ResponseWriter, r *http.Request) {
|
2020-08-31 19:12:43 +00:00
|
|
|
return func(w http.ResponseWriter, r *http.Request) {
|
2020-10-06 17:07:48 +00:00
|
|
|
allValues, err := allTaxonomyValues(blog, tax.Name)
|
2020-08-31 19:12:43 +00:00
|
|
|
if err != nil {
|
|
|
|
http.Error(w, err.Error(), http.StatusInternalServerError)
|
|
|
|
return
|
|
|
|
}
|
2020-10-12 16:47:23 +00:00
|
|
|
render(w, templateTaxonomy, &renderData{
|
|
|
|
blogString: blog,
|
2020-11-06 17:45:31 +00:00
|
|
|
Canonical: appConfig.Server.PublicAddress + r.URL.Path,
|
2020-10-12 16:47:23 +00:00
|
|
|
Data: struct {
|
|
|
|
Taxonomy *taxonomy
|
|
|
|
TaxonomyValues []string
|
|
|
|
}{
|
|
|
|
Taxonomy: tax,
|
|
|
|
TaxonomyValues: allValues,
|
|
|
|
},
|
2020-08-31 19:12:43 +00:00
|
|
|
})
|
|
|
|
}
|
2020-08-25 18:55:32 +00:00
|
|
|
}
|
|
|
|
|
2020-10-15 17:50:34 +00:00
|
|
|
func serveTaxonomyValue(blog string, path string, tax *taxonomy, value string) func(w http.ResponseWriter, r *http.Request) {
|
2020-09-21 16:03:05 +00:00
|
|
|
return serveIndex(&indexConfig{
|
2020-10-06 17:07:48 +00:00
|
|
|
blog: blog,
|
2020-09-21 16:03:05 +00:00
|
|
|
path: path,
|
|
|
|
tax: tax,
|
|
|
|
taxValue: value,
|
|
|
|
})
|
2020-08-31 19:12:43 +00:00
|
|
|
}
|
|
|
|
|
2020-11-10 15:48:59 +00:00
|
|
|
func servePhotos(blog string, path string) func(w http.ResponseWriter, r *http.Request) {
|
2020-09-21 16:03:05 +00:00
|
|
|
return serveIndex(&indexConfig{
|
2020-10-16 18:34:34 +00:00
|
|
|
blog: blog,
|
2020-11-10 15:48:59 +00:00
|
|
|
path: path,
|
2020-10-16 18:34:34 +00:00
|
|
|
parameter: appConfig.Blogs[blog].Photos.Parameter,
|
|
|
|
template: templatePhotos,
|
2020-09-21 16:03:05 +00:00
|
|
|
})
|
|
|
|
}
|
|
|
|
|
|
|
|
type indexConfig struct {
|
2020-10-16 18:34:34 +00:00
|
|
|
blog string
|
|
|
|
path string
|
|
|
|
section *section
|
|
|
|
tax *taxonomy
|
|
|
|
taxValue string
|
|
|
|
parameter string
|
|
|
|
template string
|
2020-09-21 16:03:05 +00:00
|
|
|
}
|
|
|
|
|
|
|
|
func serveIndex(ic *indexConfig) func(w http.ResponseWriter, r *http.Request) {
|
2020-08-05 17:54:04 +00:00
|
|
|
return func(w http.ResponseWriter, r *http.Request) {
|
|
|
|
pageNoString := chi.URLParam(r, "page")
|
|
|
|
pageNo, _ := strconv.Atoi(pageNoString)
|
2020-10-06 17:07:48 +00:00
|
|
|
var sections []string
|
2020-09-21 16:03:05 +00:00
|
|
|
if ic.section != nil {
|
2020-10-06 17:07:48 +00:00
|
|
|
sections = []string{ic.section.Name}
|
|
|
|
} else {
|
|
|
|
for sectionKey := range appConfig.Blogs[ic.blog].Sections {
|
|
|
|
sections = append(sections, sectionKey)
|
|
|
|
}
|
2020-08-25 18:55:32 +00:00
|
|
|
}
|
2020-10-19 18:25:30 +00:00
|
|
|
p := paginator.New(&postPaginationAdapter{config: &postsRequestConfig{
|
2020-10-16 18:34:34 +00:00
|
|
|
blog: ic.blog,
|
|
|
|
sections: sections,
|
|
|
|
taxonomy: ic.tax,
|
|
|
|
taxonomyValue: ic.taxValue,
|
|
|
|
parameter: ic.parameter,
|
2020-10-06 17:07:48 +00:00
|
|
|
}}, appConfig.Blogs[ic.blog].Pagination)
|
2020-08-24 18:49:33 +00:00
|
|
|
p.SetPage(pageNo)
|
2020-10-15 15:32:46 +00:00
|
|
|
var posts []*post
|
2020-08-24 18:49:33 +00:00
|
|
|
err := p.Results(&posts)
|
2020-08-05 17:54:04 +00:00
|
|
|
if err != nil {
|
|
|
|
http.Error(w, err.Error(), http.StatusInternalServerError)
|
|
|
|
return
|
|
|
|
}
|
2020-09-14 14:07:37 +00:00
|
|
|
// Meta
|
2020-09-01 16:14:49 +00:00
|
|
|
var title, description string
|
2020-09-21 16:03:05 +00:00
|
|
|
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
|
2020-09-01 16:14:49 +00:00
|
|
|
}
|
2020-09-14 14:07:37 +00:00
|
|
|
// Check if feed
|
2020-10-15 17:50:34 +00:00
|
|
|
if ft := feedType(chi.URLParam(r, "feed")); ft != noFeed {
|
|
|
|
generateFeed(ic.blog, ft, w, r, posts, title, description)
|
2020-09-02 15:48:37 +00:00
|
|
|
return
|
|
|
|
}
|
2020-09-14 14:07:37 +00:00
|
|
|
// Navigation
|
|
|
|
prevPage, err := p.PrevPage()
|
|
|
|
if err == paginator.ErrNoPrevPage {
|
|
|
|
prevPage = p.Page()
|
|
|
|
}
|
|
|
|
nextPage, err := p.NextPage()
|
|
|
|
if err == paginator.ErrNoNextPage {
|
|
|
|
nextPage = p.Page()
|
|
|
|
}
|
2020-09-21 16:03:05 +00:00
|
|
|
template := ic.template
|
|
|
|
if len(template) == 0 {
|
|
|
|
template = templateIndex
|
|
|
|
}
|
2020-10-12 16:47:23 +00:00
|
|
|
render(w, template, &renderData{
|
|
|
|
blogString: ic.blog,
|
2020-11-06 17:45:31 +00:00
|
|
|
Canonical: appConfig.Server.PublicAddress + r.URL.Path,
|
2020-10-12 16:47:23 +00:00
|
|
|
Data: &indexTemplateData{
|
|
|
|
Title: title,
|
|
|
|
Description: description,
|
|
|
|
Posts: posts,
|
|
|
|
HasPrev: p.HasPrev(),
|
|
|
|
HasNext: p.HasNext(),
|
|
|
|
First: ic.path,
|
|
|
|
Prev: fmt.Sprintf("%s/page/%d", ic.path, prevPage),
|
|
|
|
Next: fmt.Sprintf("%s/page/%d", ic.path, nextPage),
|
|
|
|
},
|
2020-08-05 17:54:04 +00:00
|
|
|
})
|
2020-08-05 17:14:10 +00:00
|
|
|
}
|
|
|
|
}
|