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package main
import (
"encoding/json"
"net/http"
)
type respStatus struct {
Status string `json:"status" example:"OK"`
}
type respError struct {
Error string `json:"error" example:"Descriptive Error message"`
}
// HttpJSONResp will return a JSON response down to the client, setting
// the appropriate content-type header and the status code provided.
// optionally if "logmsg" is not empty it will log that string
func HttpJSONResp(
w http.ResponseWriter, r *http.Request,
StatusCode int, logmsg string, data interface{}) {
w.Header().Add("Content-type", "application/json")
w.WriteHeader(StatusCode)
if logmsg != "" {
Logger.Printf("%s : %s", r.URL.Path, logmsg)
}
enc := json.NewEncoder(w)
err := enc.Encode(data)
if err != nil {
Logger.Printf("%s ERROR: %s", r.URL.Path, err)
}
}
// HttpJSONRespErr just calls HttpJSONResp with a
// map[string]string{"error": respmsg}
// as the data
func HttpJSONRespErr(
w http.ResponseWriter, r *http.Request,
StatusCode int, logmsg, respmsg string) {
HttpJSONResp(w, r, StatusCode,
logmsg, &respError{Error: respmsg})
}
// HttpJSONOK simply returns json encoded {"status": "ok"} down to the client
func HttpJSONOK(w http.ResponseWriter, r *http.Request, logmsg string) {
HttpJSONResp(w, r, http.StatusOK, logmsg, &respStatus{Status: "OK"})
}
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