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handlers.go
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package main
import (
"encoding/json"
"fmt"
"net/http"
)
func index(w http.ResponseWriter, r *http.Request) {
if r.URL.Path != "/" {
http.NotFound(w, r)
return
}
w.Header().Set("Content-Type", "application/json; charset=utf-8")
jerr := json.NewEncoder(w).Encode(&info)
if jerr != nil {
serverErr(w, jerr)
return
}
fmt.Fprint(w)
}
func getUsers(w http.ResponseWriter, r *http.Request) {
w.Header().Set("Content-Type", "application/json; charset=utf-8")
j := json.NewEncoder(w)
var jerr error
users, err := getUsersDB(r.Context())
if err != nil {
jerr = j.Encode(&err)
} else {
jerr = j.Encode(&users)
}
if jerr != nil {
serverErr(w, jerr)
return
}
fmt.Fprint(w)
}
func getComments(w http.ResponseWriter, r *http.Request) {
w.Header().Set("Content-Type", "application/json; charset=utf-8")
j := json.NewEncoder(w)
var jerr error
id := r.URL.Query().Get("id")
comments, err := getCommentsDB(r.Context(), id)
if err != nil {
jerr = j.Encode(&err)
} else {
jerr = j.Encode(&comments)
}
if jerr != nil {
serverErr(w, jerr)
return
}
fmt.Fprint(w)
}
func serverErr(w http.ResponseWriter, err error) {
ErrLog.Println(err)
http.Error(w, http.StatusText(http.StatusInternalServerError), http.StatusInternalServerError)
}