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90 lines
2.3 KiB
Go
90 lines
2.3 KiB
Go
// Copyright 2016 Documize Inc. <legal@documize.com>. All rights reserved.
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//
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// This software (Documize Community Edition) is licensed under
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// GNU AGPL v3 http://www.gnu.org/licenses/agpl-3.0.en.html
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//
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// You can operate outside the AGPL restrictions by purchasing
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// Documize Enterprise Edition and obtaining a commercial license
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// by contacting <sales@documize.com>.
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//
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// https://documize.com
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package convapi
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import (
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"encoding/json"
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"github.com/documize/community/core/log"
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"net/http"
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)
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// apiJSONResponse is the structure of a JSON response to a Documize client.
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type apiJSONResponse struct {
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Code int
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Success bool
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Message string
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Data interface{}
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}
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// SetJSONResponse sets the response type to "application/json" in the HTTP header.
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func SetJSONResponse(w http.ResponseWriter) {
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w.Header().Set("Content-Type", "application/json; charset=utf-8")
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}
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// WriteError to the http.ResponseWriter, taking care to provide the correct
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// response error code within the JSON response.
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func WriteError(w http.ResponseWriter, err error) {
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response := apiJSONResponse{}
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response.Message = err.Error()
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response.Success = false
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response.Data = nil
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switch err.Error() {
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case "BadRequest":
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response.Code = 400
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w.WriteHeader(http.StatusBadRequest)
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case "Unauthorized":
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response.Code = 401
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w.WriteHeader(http.StatusUnauthorized)
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case "Forbidden":
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response.Code = 403
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w.WriteHeader(http.StatusForbidden)
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case "NotFound":
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response.Code = 404
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w.WriteHeader(http.StatusNotFound)
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default:
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response.Code = 500
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w.WriteHeader(http.StatusInternalServerError)
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}
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json, err := json.Marshal(response)
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if err != nil {
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log.Error("json.Marshal", err)
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}
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if _, err := w.Write(json); err != nil {
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log.Error("write to ResponseWriter", err)
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}
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}
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// WriteErrorBadRequest provides feedback to a Documize client on an error,
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// where that error is described in a string.
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func WriteErrorBadRequest(w http.ResponseWriter, message string) {
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response := apiJSONResponse{}
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response.Message = message
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response.Success = false
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response.Data = nil
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response.Code = 400
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w.WriteHeader(http.StatusBadRequest)
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json, err := json.Marshal(response)
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if err != nil {
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log.Error("json.Marshal", err)
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}
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if _, err := w.Write(json); err != nil {
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log.Error("write to ResponseWriter", err)
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}
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}
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