This is my new blog CMS https://jlelse.blog
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package main
import (
"fmt"
"net/http"
"net/url"
"reflect"
"strconv"
"github.com/go-chi/chi/v5"
"github.com/vcraescu/go-paginator"
)
type webmentionPaginationAdapter struct {
config *webmentionsRequestConfig
nums int64
}
func (p *webmentionPaginationAdapter) Nums() (int64, error) {
if p.nums == 0 {
nums, _ := countWebmentions(p.config)
p.nums = int64(nums)
}
return p.nums, nil
}
func (p *webmentionPaginationAdapter) Slice(offset, length int, data interface{}) error {
modifiedConfig := *p.config
modifiedConfig.offset = offset
modifiedConfig.limit = length
wms, err := getWebmentions(&modifiedConfig)
reflect.ValueOf(data).Elem().Set(reflect.ValueOf(&wms).Elem())
return err
}
func webmentionAdmin(w http.ResponseWriter, r *http.Request) {
pageNoString := chi.URLParam(r, "page")
pageNo, _ := strconv.Atoi(pageNoString)
var status webmentionStatus = ""
switch webmentionStatus(r.URL.Query().Get("status")) {
case webmentionStatusVerified:
status = webmentionStatusVerified
case webmentionStatusApproved:
status = webmentionStatusApproved
}
p := paginator.New(&webmentionPaginationAdapter{config: &webmentionsRequestConfig{status: status}}, 10)
p.SetPage(pageNo)
var mentions []*mention
err := p.Results(&mentions)
if err != nil {
serveError(w, r, err.Error(), http.StatusInternalServerError)
return
}
// 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 = webmentionPath
} else {
prevPath = fmt.Sprintf("%s/page/%d", webmentionPath, prevPage)
}
hasNext, _ = p.HasNext()
if hasNext {
nextPage, _ = p.NextPage()
} else {
nextPage, _ = p.Page()
}
nextPath = fmt.Sprintf("%s/page/%d", webmentionPath, nextPage)
// Query
query := ""
params := url.Values{}
if status != "" {
params.Add("status", string(status))
}
if len(params) > 0 {
query = "?" + params.Encode()
}
// Render
render(w, r, templateWebmentionAdmin, &renderData{
Data: map[string]interface{}{
"Mentions": mentions,
"HasPrev": hasPrev,
"HasNext": hasNext,
"Prev": slashIfEmpty(prevPath) + query,
"Next": slashIfEmpty(nextPath) + query,
},
})
}
func webmentionAdminDelete(w http.ResponseWriter, r *http.Request) {
id, err := strconv.Atoi(r.FormValue("mentionid"))
if err != nil {
serveError(w, r, err.Error(), http.StatusBadRequest)
return
}
err = deleteWebmention(id)
if err != nil {
serveError(w, r, err.Error(), http.StatusInternalServerError)
return
}
purgeCache()
http.Redirect(w, r, ".", http.StatusFound)
}
func webmentionAdminApprove(w http.ResponseWriter, r *http.Request) {
id, err := strconv.Atoi(r.FormValue("mentionid"))
if err != nil {
serveError(w, r, err.Error(), http.StatusBadRequest)
return
}
err = approveWebmention(id)
if err != nil {
serveError(w, r, err.Error(), http.StatusInternalServerError)
return
}
purgeCache()
http.Redirect(w, r, ".", http.StatusFound)
}