116 lines
2.7 KiB
Go
116 lines
2.7 KiB
Go
// Copyright (c) 2014-2018, b3log.org & hacpai.com
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//
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// Licensed under the Apache License, Version 2.0 (the "License");
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// you may not use this file except in compliance with the License.
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// You may obtain a copy of the License at
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//
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// https://www.apache.org/licenses/LICENSE-2.0
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//
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// Unless required by applicable law or agreed to in writing, software
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// distributed under the License is distributed on an "AS IS" BASIS,
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// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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// See the License for the specific language governing permissions and
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// limitations under the License.
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package util
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import (
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"compress/gzip"
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"encoding/json"
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"net/http"
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"os"
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"github.com/b3log/wide/log"
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)
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// Logger.
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var retLogger = log.NewLogger(os.Stdout)
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// Result.
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type Result struct {
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Succ bool `json:"succ"` // successful or not
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Code string `json:"code"` // return code
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Msg string `json:"msg"` // message
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Data interface{} `json:"data"` // data object
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}
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// NewResult creates a result with Succ=true, Code="0", Msg="", Data=nil.
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func NewResult() *Result {
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return &Result{
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Succ: true,
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Code: "0",
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Msg: "",
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Data: nil,
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}
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}
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// RetResult writes HTTP response with "Content-Type, application/json".
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func RetResult(w http.ResponseWriter, r *http.Request, res *Result) {
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w.Header().Set("Content-Type", "application/json")
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data, err := json.Marshal(res)
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if err != nil {
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retLogger.Error(err)
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return
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}
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w.Write(data)
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}
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// RetGzResult writes HTTP response with "Content-Type, application/json" and "Content-Encoding, gzip".
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func RetGzResult(w http.ResponseWriter, r *http.Request, res *Result) {
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w.Header().Set("Content-Type", "application/json")
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w.Header().Set("Content-Encoding", "gzip")
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gz := gzip.NewWriter(w)
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err := json.NewEncoder(gz).Encode(res)
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if nil != err {
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retLogger.Error(err)
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return
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}
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err = gz.Close()
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if nil != err {
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retLogger.Error(err)
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return
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}
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}
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// RetJSON writes HTTP response with "Content-Type, application/json".
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func RetJSON(w http.ResponseWriter, r *http.Request, res map[string]interface{}) {
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w.Header().Set("Content-Type", "application/json")
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data, err := json.Marshal(res)
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if err != nil {
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retLogger.Error(err)
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return
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}
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w.Write(data)
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}
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// RetGzJSON writes HTTP response with "Content-Type, application/json" and "Content-Encoding, gzip".
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func RetGzJSON(w http.ResponseWriter, r *http.Request, res map[string]interface{}) {
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w.Header().Set("Content-Type", "application/json")
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w.Header().Set("Content-Encoding", "gzip")
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gz := gzip.NewWriter(w)
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err := json.NewEncoder(gz).Encode(res)
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if nil != err {
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retLogger.Error(err)
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return
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}
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err = gz.Close()
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if nil != err {
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retLogger.Error(err)
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return
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}
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}
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