116 lines
2.7 KiB
Go
116 lines
2.7 KiB
Go
// Copyright (c) 2014-2019, b3log.org & hacpai.com
|
|
//
|
|
// Licensed under the Apache License, Version 2.0 (the "License");
|
|
// you may not use this file except in compliance with the License.
|
|
// You may obtain a copy of the License at
|
|
//
|
|
// https://www.apache.org/licenses/LICENSE-2.0
|
|
//
|
|
// Unless required by applicable law or agreed to in writing, software
|
|
// distributed under the License is distributed on an "AS IS" BASIS,
|
|
// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
|
|
// See the License for the specific language governing permissions and
|
|
// limitations under the License.
|
|
|
|
package util
|
|
|
|
import (
|
|
"compress/gzip"
|
|
"encoding/json"
|
|
"net/http"
|
|
"os"
|
|
|
|
"github.com/b3log/wide/log"
|
|
)
|
|
|
|
// Logger.
|
|
var retLogger = log.NewLogger(os.Stdout)
|
|
|
|
// Result.
|
|
type Result struct {
|
|
Succ bool `json:"succ"` // successful or not
|
|
Code int `json:"code"` // return code
|
|
Msg string `json:"msg"` // message
|
|
Data interface{} `json:"data"` // data object
|
|
}
|
|
|
|
// NewResult creates a result with Succ=true, Code=0, Msg="", Data=nil.
|
|
func NewResult() *Result {
|
|
return &Result{
|
|
Succ: true,
|
|
Code: 0,
|
|
Msg: "",
|
|
Data: nil,
|
|
}
|
|
}
|
|
|
|
// RetResult writes HTTP response with "Content-Type, application/json".
|
|
func RetResult(w http.ResponseWriter, r *http.Request, res *Result) {
|
|
w.Header().Set("Content-Type", "application/json")
|
|
|
|
data, err := json.Marshal(res)
|
|
if err != nil {
|
|
retLogger.Error(err)
|
|
|
|
return
|
|
}
|
|
|
|
w.Write(data)
|
|
}
|
|
|
|
// RetGzResult writes HTTP response with "Content-Type, application/json" and "Content-Encoding, gzip".
|
|
func RetGzResult(w http.ResponseWriter, r *http.Request, res *Result) {
|
|
w.Header().Set("Content-Type", "application/json")
|
|
w.Header().Set("Content-Encoding", "gzip")
|
|
|
|
gz := gzip.NewWriter(w)
|
|
err := json.NewEncoder(gz).Encode(res)
|
|
if nil != err {
|
|
retLogger.Error(err)
|
|
|
|
return
|
|
}
|
|
|
|
err = gz.Close()
|
|
if nil != err {
|
|
retLogger.Error(err)
|
|
|
|
return
|
|
}
|
|
}
|
|
|
|
// RetJSON writes HTTP response with "Content-Type, application/json".
|
|
func RetJSON(w http.ResponseWriter, r *http.Request, res map[string]interface{}) {
|
|
w.Header().Set("Content-Type", "application/json")
|
|
|
|
data, err := json.Marshal(res)
|
|
if err != nil {
|
|
retLogger.Error(err)
|
|
|
|
return
|
|
}
|
|
|
|
w.Write(data)
|
|
}
|
|
|
|
// RetGzJSON writes HTTP response with "Content-Type, application/json" and "Content-Encoding, gzip".
|
|
func RetGzJSON(w http.ResponseWriter, r *http.Request, res map[string]interface{}) {
|
|
w.Header().Set("Content-Type", "application/json")
|
|
w.Header().Set("Content-Encoding", "gzip")
|
|
|
|
gz := gzip.NewWriter(w)
|
|
err := json.NewEncoder(gz).Encode(res)
|
|
if nil != err {
|
|
retLogger.Error(err)
|
|
|
|
return
|
|
}
|
|
|
|
err = gz.Close()
|
|
if nil != err {
|
|
retLogger.Error(err)
|
|
|
|
return
|
|
}
|
|
}
|