/
handlers.go
136 lines (116 loc) · 2.83 KB
/
handlers.go
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package main
import (
"html/template"
"log"
"net/http"
"path"
"strconv"
"strings"
)
const defaultJs = `
rule(function(data){
return true;
})
`
func ErrorPage(w http.ResponseWriter, r *http.Request) {
w.Write([]byte("Something went wrong :-("))
}
func AdminHandler(w http.ResponseWriter, r *http.Request) {
rules, err := DiskStore.GetAllRules()
if err != nil {
ErrorPage(w, r)
return
}
tmpl := template.New("base")
template.Must(tmpl.Parse(BaseTemplateStr))
template.Must(tmpl.Parse(AdminTemplateStr))
tmpl.Execute(w, rules)
}
func NewRuleHandler(w http.ResponseWriter, r *http.Request) {
rule := NewRule("", defaultJs, []string{""})
tmpl := template.New("base")
template.Must(tmpl.Parse(BaseTemplateStr))
template.Must(tmpl.Parse(NewTemplateStr))
tmpl.Execute(w, rule)
}
func CreateRuleHandler(w http.ResponseWriter, r *http.Request) {
title := r.FormValue("title")
script := r.FormValue("script")
var endpoints []string
for i := 0; ; i++ {
endpoint := r.FormValue("endpoint_" + strconv.Itoa(i))
if endpoint == "" {
break
} else {
endpoints = append(endpoints, endpoint)
}
}
rule := NewRule(title, script, endpoints)
err := DiskStore.SaveRule(rule)
if err != nil {
ErrorPage(w, r)
return
}
http.Redirect(w, r, "/", http.StatusMovedPermanently)
}
func ViewRuleHandler(w http.ResponseWriter, r *http.Request) {
id := strings.Replace(r.URL.Path, "/view/", "", 1)
rule, err := DiskStore.GetRule(id)
if err != nil {
ErrorPage(w, r)
return
}
tmpl := template.New("base")
template.Must(tmpl.Parse(BaseTemplateStr))
template.Must(tmpl.Parse(ViewTemplateStr))
tmpl.Execute(w, rule)
}
func EditRuleHandler(w http.ResponseWriter, r *http.Request) {
id := strings.Replace(r.URL.Path, "/edit/", "", 1)
rule, err := DiskStore.GetRule(id)
if err != nil {
ErrorPage(w, r)
return
}
tmpl := template.New("base")
template.Must(tmpl.Parse(BaseTemplateStr))
template.Must(tmpl.Parse(EditTemplateStr))
tmpl.Execute(w, rule)
}
func UpdateRuleHandler(w http.ResponseWriter, r *http.Request) {
id := r.FormValue("id")
rule, err := DiskStore.GetRule(id)
if err != nil {
log.Println("ERROR:", err)
ErrorPage(w, r)
return
}
(*rule).Title = r.FormValue("title")
(*rule).Script = r.FormValue("script")
var endpoints []string
for i := 0; ; i++ {
endpoint := r.FormValue("endpoint_" + strconv.Itoa(i))
if endpoint == "" {
break
} else {
endpoints = append(endpoints, endpoint)
}
}
(*rule).Endpoints = endpoints
err = DiskStore.SaveRule(rule)
if err != nil {
ErrorPage(w, r)
return
}
http.Redirect(w, r, "/", http.StatusMovedPermanently)
}
func DeleteRuleHandler(w http.ResponseWriter, r *http.Request) {
id := path.Base(r.URL.Path)
err := DiskStore.DeleteRule(id)
if err != nil {
log.Println("ERROR:", err)
ErrorPage(w, r)
return
}
http.Redirect(w, r, "/", http.StatusMovedPermanently)
}