generationtux/brizo

package api

import (
    "encoding/json"
    "errors"
    "net/http"
)

// jsonResponse writes a JSON HTTP response
func jsonResponse(rw http.ResponseWriter, data interface{}, status int) {
    content, _ := json.Marshal(data)
    rw.WriteHeader(status)
    rw.Header().Set("content-type", "application/json")
    rw.Write(content)
}

// jsonErrorResponse writes a JSON error response
func jsonErrorResponse(rw http.ResponseWriter, err string, status int) {
    data := map[string]string{
        "error": err,
    }
    jsonResponse(rw, data, status)
}

// jsonRequest unmarshals the request body to provided interface
func jsonRequest(r *http.Request, container interface{}) error {
    if r.Header.Get("Content-Type") != "application/json" {
        return errors.New("Only JSON requests supported. Please set the Content-Type header.")
    }

    decoder := json.NewDecoder(r.Body)
    err := decoder.Decode(container)
    defer r.Body.Close()
    if err != nil {
        return err
    }

    return nil
}