gemma: pkg/controllers/json.go annotate

annotate pkg/controllers/json.go @ 2549:9bf6b767a56a

client: refactored and improved splitscreen for diagrams To make different diagrams possible, the splitscreen view needed to be decoupled from the cross profiles. Also the style has changed to make it more consistent with the rest of the app. The standard box header is now used and there are collapse and expand animations.

author	Markus Kottlaender <markus@intevation.de>
date	Fri, 08 Mar 2019 08:50:47 +0100
parents	09f9ae3d0526
children	1458c9b0fdaa

rev	line source
1017 a244b18cb916 Added GNU Affero General Public License. Sascha L. Teichmann <sascha.teichmann@intevation.de> parents: 979 diff changeset	1 // This is Free Software under GNU Affero General Public License v >= 3.0
a244b18cb916 Added GNU Affero General Public License. Sascha L. Teichmann <sascha.teichmann@intevation.de> parents: 979 diff changeset	2 // without warranty, see README.md and license for details.
a244b18cb916 Added GNU Affero General Public License. Sascha L. Teichmann <sascha.teichmann@intevation.de> parents: 979 diff changeset	3 //
a244b18cb916 Added GNU Affero General Public License. Sascha L. Teichmann <sascha.teichmann@intevation.de> parents: 979 diff changeset	4 // SPDX-License-Identifier: AGPL-3.0-or-later
a244b18cb916 Added GNU Affero General Public License. Sascha L. Teichmann <sascha.teichmann@intevation.de> parents: 979 diff changeset	5 // License-Filename: LICENSES/AGPL-3.0.txt
a244b18cb916 Added GNU Affero General Public License. Sascha L. Teichmann <sascha.teichmann@intevation.de> parents: 979 diff changeset	6 //
a244b18cb916 Added GNU Affero General Public License. Sascha L. Teichmann <sascha.teichmann@intevation.de> parents: 979 diff changeset	7 // Copyright (C) 2018 by via donau
a244b18cb916 Added GNU Affero General Public License. Sascha L. Teichmann <sascha.teichmann@intevation.de> parents: 979 diff changeset	8 // – Österreichische Wasserstraßen-Gesellschaft mbH
a244b18cb916 Added GNU Affero General Public License. Sascha L. Teichmann <sascha.teichmann@intevation.de> parents: 979 diff changeset	9 // Software engineering by Intevation GmbH
a244b18cb916 Added GNU Affero General Public License. Sascha L. Teichmann <sascha.teichmann@intevation.de> parents: 979 diff changeset	10 //
a244b18cb916 Added GNU Affero General Public License. Sascha L. Teichmann <sascha.teichmann@intevation.de> parents: 979 diff changeset	11 // Author(s):
a244b18cb916 Added GNU Affero General Public License. Sascha L. Teichmann <sascha.teichmann@intevation.de> parents: 979 diff changeset	12 // * Sascha L. Teichmann <sascha.teichmann@intevation.de>
a244b18cb916 Added GNU Affero General Public License. Sascha L. Teichmann <sascha.teichmann@intevation.de> parents: 979 diff changeset	13
237 3771788d3dae Reduce boilerplate code when writing JSON parsing/generating endpoints. Sascha L. Teichmann <sascha.teichmann@intevation.de> parents: diff changeset	14 package controllers
3771788d3dae Reduce boilerplate code when writing JSON parsing/generating endpoints. Sascha L. Teichmann <sascha.teichmann@intevation.de> parents: diff changeset	15
3771788d3dae Reduce boilerplate code when writing JSON parsing/generating endpoints. Sascha L. Teichmann <sascha.teichmann@intevation.de> parents: diff changeset	16 import (
3771788d3dae Reduce boilerplate code when writing JSON parsing/generating endpoints. Sascha L. Teichmann <sascha.teichmann@intevation.de> parents: diff changeset	17 "database/sql"
3771788d3dae Reduce boilerplate code when writing JSON parsing/generating endpoints. Sascha L. Teichmann <sascha.teichmann@intevation.de> parents: diff changeset	18 "encoding/json"
3771788d3dae Reduce boilerplate code when writing JSON parsing/generating endpoints. Sascha L. Teichmann <sascha.teichmann@intevation.de> parents: diff changeset	19 "fmt"
739 b800eb2a0846 JSON handler: if result is an io.Reader copyit through. Sascha L. Teichmann <sascha.teichmann@intevation.de> parents: 536 diff changeset	20 "io"
237 3771788d3dae Reduce boilerplate code when writing JSON parsing/generating endpoints. Sascha L. Teichmann <sascha.teichmann@intevation.de> parents: diff changeset	21 "log"
3771788d3dae Reduce boilerplate code when writing JSON parsing/generating endpoints. Sascha L. Teichmann <sascha.teichmann@intevation.de> parents: diff changeset	22 "net/http"
3771788d3dae Reduce boilerplate code when writing JSON parsing/generating endpoints. Sascha L. Teichmann <sascha.teichmann@intevation.de> parents: diff changeset	23
241 3b688fe04c39 No omitempty if JSON serialising PostgreSQL errors. Sascha L. Teichmann <sascha.teichmann@intevation.de> parents: 240 diff changeset	24 "github.com/jackc/pgx"
3b688fe04c39 No omitempty if JSON serialising PostgreSQL errors. Sascha L. Teichmann <sascha.teichmann@intevation.de> parents: 240 diff changeset	25
414 c1047fd04a3a Moved project specific Go packages to new pkg folder. Sascha L. Teichmann <sascha.teichmann@intevation.de> parents: 341 diff changeset	26 "gemma.intevation.de/gemma/pkg/auth"
237 3771788d3dae Reduce boilerplate code when writing JSON parsing/generating endpoints. Sascha L. Teichmann <sascha.teichmann@intevation.de> parents: diff changeset	27 )
3771788d3dae Reduce boilerplate code when writing JSON parsing/generating endpoints. Sascha L. Teichmann <sascha.teichmann@intevation.de> parents: diff changeset	28
1693 cdc8933949f2 Controllers: Resolved the remaining golint issues with this package. Sascha L. Teichmann <teichmann@intevation.de> parents: 1685 diff changeset	29 // JSONResult defines the return type of JSONHandler handler function.
237 3771788d3dae Reduce boilerplate code when writing JSON parsing/generating endpoints. Sascha L. Teichmann <sascha.teichmann@intevation.de> parents: diff changeset	30 type JSONResult struct {
1693 cdc8933949f2 Controllers: Resolved the remaining golint issues with this package. Sascha L. Teichmann <teichmann@intevation.de> parents: 1685 diff changeset	31 // Code is the HTTP status code to be set which defaults to http.StatusOK (200).
cdc8933949f2 Controllers: Resolved the remaining golint issues with this package. Sascha L. Teichmann <teichmann@intevation.de> parents: 1685 diff changeset	32 Code int
cdc8933949f2 Controllers: Resolved the remaining golint issues with this package. Sascha L. Teichmann <teichmann@intevation.de> parents: 1685 diff changeset	33 // Result is serialized to JSON.
cdc8933949f2 Controllers: Resolved the remaining golint issues with this package. Sascha L. Teichmann <teichmann@intevation.de> parents: 1685 diff changeset	34 // If the type is an io.Reader its copied through.
237 3771788d3dae Reduce boilerplate code when writing JSON parsing/generating endpoints. Sascha L. Teichmann <sascha.teichmann@intevation.de> parents: diff changeset	35 Result interface{}
3771788d3dae Reduce boilerplate code when writing JSON parsing/generating endpoints. Sascha L. Teichmann <sascha.teichmann@intevation.de> parents: diff changeset	36 }
3771788d3dae Reduce boilerplate code when writing JSON parsing/generating endpoints. Sascha L. Teichmann <sascha.teichmann@intevation.de> parents: diff changeset	37
1693 cdc8933949f2 Controllers: Resolved the remaining golint issues with this package. Sascha L. Teichmann <teichmann@intevation.de> parents: 1685 diff changeset	38 // JSONDefaultLimit is default size limit in bytes of an accepted
cdc8933949f2 Controllers: Resolved the remaining golint issues with this package. Sascha L. Teichmann <teichmann@intevation.de> parents: 1685 diff changeset	39 // input document.
1685 8f5a5c86f2a9 JSONHandler: Limited input JSON size to 2048 bytes by default. Sascha L. Teichmann <sascha.teichmann@intevation.de> parents: 1327 diff changeset	40 const JSONDefaultLimit = 2048
8f5a5c86f2a9 JSONHandler: Limited input JSON size to 2048 bytes by default. Sascha L. Teichmann <sascha.teichmann@intevation.de> parents: 1327 diff changeset	41
1693 cdc8933949f2 Controllers: Resolved the remaining golint issues with this package. Sascha L. Teichmann <teichmann@intevation.de> parents: 1685 diff changeset	42 // JSONHandler implements a middleware to ease the handing JSON input
cdc8933949f2 Controllers: Resolved the remaining golint issues with this package. Sascha L. Teichmann <teichmann@intevation.de> parents: 1685 diff changeset	43 // streams and return JSON documents as output.
237 3771788d3dae Reduce boilerplate code when writing JSON parsing/generating endpoints. Sascha L. Teichmann <sascha.teichmann@intevation.de> parents: diff changeset	44 type JSONHandler struct {
1693 cdc8933949f2 Controllers: Resolved the remaining golint issues with this package. Sascha L. Teichmann <teichmann@intevation.de> parents: 1685 diff changeset	45 // Input (if not nil) is called to fill a data structure
cdc8933949f2 Controllers: Resolved the remaining golint issues with this package. Sascha L. Teichmann <teichmann@intevation.de> parents: 1685 diff changeset	46 // returned by this function.
2058 09f9ae3d0526 Imports: Handle manual imports with a single route using the shortnames of the imports to distiquish between them. Sascha L. Teichmann <sascha.teichmann@intevation.de> parents: 1693 diff changeset	47 Input func(*http.Request) interface{}
1693 cdc8933949f2 Controllers: Resolved the remaining golint issues with this package. Sascha L. Teichmann <teichmann@intevation.de> parents: 1685 diff changeset	48 // Handle is called to handle the incoming HTTP request.
cdc8933949f2 Controllers: Resolved the remaining golint issues with this package. Sascha L. Teichmann <teichmann@intevation.de> parents: 1685 diff changeset	49 // in is the data structure returned by Input. Its nil if Input is nil.
cdc8933949f2 Controllers: Resolved the remaining golint issues with this package. Sascha L. Teichmann <teichmann@intevation.de> parents: 1685 diff changeset	50 // req is the incoming HTTP request.
cdc8933949f2 Controllers: Resolved the remaining golint issues with this package. Sascha L. Teichmann <teichmann@intevation.de> parents: 1685 diff changeset	51 // conn is the impersonated connection to the database.
cdc8933949f2 Controllers: Resolved the remaining golint issues with this package. Sascha L. Teichmann <teichmann@intevation.de> parents: 1685 diff changeset	52 Handle func(in interface{}, rep http.Request, conn sql.Conn) (JSONResult, error)
cdc8933949f2 Controllers: Resolved the remaining golint issues with this package. Sascha L. Teichmann <teichmann@intevation.de> parents: 1685 diff changeset	53 // NoConn if set to true no database connection is established and
cdc8933949f2 Controllers: Resolved the remaining golint issues with this package. Sascha L. Teichmann <teichmann@intevation.de> parents: 1685 diff changeset	54 // the conn parameter of the Handle call is nil.
486 b2dc9c2f69e0 First stab to use the metamorphic db to do all database stuff. Sascha L. Teichmann <sascha.teichmann@intevation.de> parents: 414 diff changeset	55 NoConn bool
1693 cdc8933949f2 Controllers: Resolved the remaining golint issues with this package. Sascha L. Teichmann <teichmann@intevation.de> parents: 1685 diff changeset	56 // Limit overides the default size of accepted input documents.
cdc8933949f2 Controllers: Resolved the remaining golint issues with this package. Sascha L. Teichmann <teichmann@intevation.de> parents: 1685 diff changeset	57 // Set to a negative value to allow an arbitrary size.
cdc8933949f2 Controllers: Resolved the remaining golint issues with this package. Sascha L. Teichmann <teichmann@intevation.de> parents: 1685 diff changeset	58 // Handle with care!
cdc8933949f2 Controllers: Resolved the remaining golint issues with this package. Sascha L. Teichmann <teichmann@intevation.de> parents: 1685 diff changeset	59 Limit int64
237 3771788d3dae Reduce boilerplate code when writing JSON parsing/generating endpoints. Sascha L. Teichmann <sascha.teichmann@intevation.de> parents: diff changeset	60 }
3771788d3dae Reduce boilerplate code when writing JSON parsing/generating endpoints. Sascha L. Teichmann <sascha.teichmann@intevation.de> parents: diff changeset	61
1693 cdc8933949f2 Controllers: Resolved the remaining golint issues with this package. Sascha L. Teichmann <teichmann@intevation.de> parents: 1685 diff changeset	62 // JSONError is an error if returned by the JSONHandler.Handle function
cdc8933949f2 Controllers: Resolved the remaining golint issues with this package. Sascha L. Teichmann <teichmann@intevation.de> parents: 1685 diff changeset	63 // which ends up encoded as a JSON document.
237 3771788d3dae Reduce boilerplate code when writing JSON parsing/generating endpoints. Sascha L. Teichmann <sascha.teichmann@intevation.de> parents: diff changeset	64 type JSONError struct {
1693 cdc8933949f2 Controllers: Resolved the remaining golint issues with this package. Sascha L. Teichmann <teichmann@intevation.de> parents: 1685 diff changeset	65 // Code is the HTTP status code of the result defaults
cdc8933949f2 Controllers: Resolved the remaining golint issues with this package. Sascha L. Teichmann <teichmann@intevation.de> parents: 1685 diff changeset	66 // to http.StatusInternalServerError if not set.
cdc8933949f2 Controllers: Resolved the remaining golint issues with this package. Sascha L. Teichmann <teichmann@intevation.de> parents: 1685 diff changeset	67 Code int
cdc8933949f2 Controllers: Resolved the remaining golint issues with this package. Sascha L. Teichmann <teichmann@intevation.de> parents: 1685 diff changeset	68 // The message of the error.
237 3771788d3dae Reduce boilerplate code when writing JSON parsing/generating endpoints. Sascha L. Teichmann <sascha.teichmann@intevation.de> parents: diff changeset	69 Message string
3771788d3dae Reduce boilerplate code when writing JSON parsing/generating endpoints. Sascha L. Teichmann <sascha.teichmann@intevation.de> parents: diff changeset	70 }
3771788d3dae Reduce boilerplate code when writing JSON parsing/generating endpoints. Sascha L. Teichmann <sascha.teichmann@intevation.de> parents: diff changeset	71
1693 cdc8933949f2 Controllers: Resolved the remaining golint issues with this package. Sascha L. Teichmann <teichmann@intevation.de> parents: 1685 diff changeset	72 // Error implements the error interface.
237 3771788d3dae Reduce boilerplate code when writing JSON parsing/generating endpoints. Sascha L. Teichmann <sascha.teichmann@intevation.de> parents: diff changeset	73 func (je JSONError) Error() string {
3771788d3dae Reduce boilerplate code when writing JSON parsing/generating endpoints. Sascha L. Teichmann <sascha.teichmann@intevation.de> parents: diff changeset	74 return fmt.Sprintf("%d: %s", je.Code, je.Message)
3771788d3dae Reduce boilerplate code when writing JSON parsing/generating endpoints. Sascha L. Teichmann <sascha.teichmann@intevation.de> parents: diff changeset	75 }
3771788d3dae Reduce boilerplate code when writing JSON parsing/generating endpoints. Sascha L. Teichmann <sascha.teichmann@intevation.de> parents: diff changeset	76
1693 cdc8933949f2 Controllers: Resolved the remaining golint issues with this package. Sascha L. Teichmann <teichmann@intevation.de> parents: 1685 diff changeset	77 // ServeHTTP makes the JSONHandler a middleware.
237 3771788d3dae Reduce boilerplate code when writing JSON parsing/generating endpoints. Sascha L. Teichmann <sascha.teichmann@intevation.de> parents: diff changeset	78 func (j JSONHandler) ServeHTTP(rw http.ResponseWriter, req http.Request) {
3771788d3dae Reduce boilerplate code when writing JSON parsing/generating endpoints. Sascha L. Teichmann <sascha.teichmann@intevation.de> parents: diff changeset	79
3771788d3dae Reduce boilerplate code when writing JSON parsing/generating endpoints. Sascha L. Teichmann <sascha.teichmann@intevation.de> parents: diff changeset	80 var input interface{}
3771788d3dae Reduce boilerplate code when writing JSON parsing/generating endpoints. Sascha L. Teichmann <sascha.teichmann@intevation.de> parents: diff changeset	81 if j.Input != nil {
2058 09f9ae3d0526 Imports: Handle manual imports with a single route using the shortnames of the imports to distiquish between them. Sascha L. Teichmann <sascha.teichmann@intevation.de> parents: 1693 diff changeset	82 input = j.Input(req)
237 3771788d3dae Reduce boilerplate code when writing JSON parsing/generating endpoints. Sascha L. Teichmann <sascha.teichmann@intevation.de> parents: diff changeset	83 defer req.Body.Close()
1685 8f5a5c86f2a9 JSONHandler: Limited input JSON size to 2048 bytes by default. Sascha L. Teichmann <sascha.teichmann@intevation.de> parents: 1327 diff changeset	84 var r io.Reader
8f5a5c86f2a9 JSONHandler: Limited input JSON size to 2048 bytes by default. Sascha L. Teichmann <sascha.teichmann@intevation.de> parents: 1327 diff changeset	85 switch {
8f5a5c86f2a9 JSONHandler: Limited input JSON size to 2048 bytes by default. Sascha L. Teichmann <sascha.teichmann@intevation.de> parents: 1327 diff changeset	86 case j.Limit == 0:
8f5a5c86f2a9 JSONHandler: Limited input JSON size to 2048 bytes by default. Sascha L. Teichmann <sascha.teichmann@intevation.de> parents: 1327 diff changeset	87 r = io.LimitReader(req.Body, JSONDefaultLimit)
8f5a5c86f2a9 JSONHandler: Limited input JSON size to 2048 bytes by default. Sascha L. Teichmann <sascha.teichmann@intevation.de> parents: 1327 diff changeset	88 case j.Limit > 0:
8f5a5c86f2a9 JSONHandler: Limited input JSON size to 2048 bytes by default. Sascha L. Teichmann <sascha.teichmann@intevation.de> parents: 1327 diff changeset	89 r = io.LimitReader(req.Body, j.Limit)
8f5a5c86f2a9 JSONHandler: Limited input JSON size to 2048 bytes by default. Sascha L. Teichmann <sascha.teichmann@intevation.de> parents: 1327 diff changeset	90 default:
8f5a5c86f2a9 JSONHandler: Limited input JSON size to 2048 bytes by default. Sascha L. Teichmann <sascha.teichmann@intevation.de> parents: 1327 diff changeset	91 r = req.Body
8f5a5c86f2a9 JSONHandler: Limited input JSON size to 2048 bytes by default. Sascha L. Teichmann <sascha.teichmann@intevation.de> parents: 1327 diff changeset	92 }
8f5a5c86f2a9 JSONHandler: Limited input JSON size to 2048 bytes by default. Sascha L. Teichmann <sascha.teichmann@intevation.de> parents: 1327 diff changeset	93 if err := json.NewDecoder(r).Decode(input); err != nil {
237 3771788d3dae Reduce boilerplate code when writing JSON parsing/generating endpoints. Sascha L. Teichmann <sascha.teichmann@intevation.de> parents: diff changeset	94 http.Error(rw, "error: "+err.Error(), http.StatusBadRequest)
3771788d3dae Reduce boilerplate code when writing JSON parsing/generating endpoints. Sascha L. Teichmann <sascha.teichmann@intevation.de> parents: diff changeset	95 return
3771788d3dae Reduce boilerplate code when writing JSON parsing/generating endpoints. Sascha L. Teichmann <sascha.teichmann@intevation.de> parents: diff changeset	96 }
3771788d3dae Reduce boilerplate code when writing JSON parsing/generating endpoints. Sascha L. Teichmann <sascha.teichmann@intevation.de> parents: diff changeset	97 }
3771788d3dae Reduce boilerplate code when writing JSON parsing/generating endpoints. Sascha L. Teichmann <sascha.teichmann@intevation.de> parents: diff changeset	98
3771788d3dae Reduce boilerplate code when writing JSON parsing/generating endpoints. Sascha L. Teichmann <sascha.teichmann@intevation.de> parents: diff changeset	99 var jr JSONResult
302 0777aa6de45b Password reset. Part I Sascha L. Teichmann <sascha.teichmann@intevation.de> parents: 257 diff changeset	100 var err error
0777aa6de45b Password reset. Part I Sascha L. Teichmann <sascha.teichmann@intevation.de> parents: 257 diff changeset	101
486 b2dc9c2f69e0 First stab to use the metamorphic db to do all database stuff. Sascha L. Teichmann <sascha.teichmann@intevation.de> parents: 414 diff changeset	102 if token, ok := auth.GetToken(req); ok && !j.NoConn {
498 22e1bf563a04 Throw away the connection level for sessions. Sascha L. Teichmann <sascha.teichmann@intevation.de> parents: 493 diff changeset	103 if session := auth.Sessions.Session(token); session != nil {
1327 cabf4789e02b To make golint happier made context.Context to be the first argument of auth.RunAs. Sascha L. Teichmann <sascha.teichmann@intevation.de> parents: 1017 diff changeset	104 err = auth.RunAs(req.Context(), session.User, func(conn *sql.Conn) error {
486 b2dc9c2f69e0 First stab to use the metamorphic db to do all database stuff. Sascha L. Teichmann <sascha.teichmann@intevation.de> parents: 414 diff changeset	105 jr, err = j.Handle(input, req, conn)
514 4a1db55a9920 Use auth.RunAs in JSON controller. Sascha L. Teichmann <sascha.teichmann@intevation.de> parents: 508 diff changeset	106 return err
4a1db55a9920 Use auth.RunAs in JSON controller. Sascha L. Teichmann <sascha.teichmann@intevation.de> parents: 508 diff changeset	107 })
498 22e1bf563a04 Throw away the connection level for sessions. Sascha L. Teichmann <sascha.teichmann@intevation.de> parents: 493 diff changeset	108 } else {
22e1bf563a04 Throw away the connection level for sessions. Sascha L. Teichmann <sascha.teichmann@intevation.de> parents: 493 diff changeset	109 err = auth.ErrNoSuchToken
486 b2dc9c2f69e0 First stab to use the metamorphic db to do all database stuff. Sascha L. Teichmann <sascha.teichmann@intevation.de> parents: 414 diff changeset	110 }
302 0777aa6de45b Password reset. Part I Sascha L. Teichmann <sascha.teichmann@intevation.de> parents: 257 diff changeset	111 } else {
0777aa6de45b Password reset. Part I Sascha L. Teichmann <sascha.teichmann@intevation.de> parents: 257 diff changeset	112 jr, err = j.Handle(input, req, nil)
0777aa6de45b Password reset. Part I Sascha L. Teichmann <sascha.teichmann@intevation.de> parents: 257 diff changeset	113 }
237 3771788d3dae Reduce boilerplate code when writing JSON parsing/generating endpoints. Sascha L. Teichmann <sascha.teichmann@intevation.de> parents: diff changeset	114
3771788d3dae Reduce boilerplate code when writing JSON parsing/generating endpoints. Sascha L. Teichmann <sascha.teichmann@intevation.de> parents: diff changeset	115 if err != nil {
536 d9dbb6139760 Log errors in JSON handler and login controller. Sascha L. Teichmann <sascha.teichmann@intevation.de> parents: 514 diff changeset	116 log.Printf("error: %v\n", err)
237 3771788d3dae Reduce boilerplate code when writing JSON parsing/generating endpoints. Sascha L. Teichmann <sascha.teichmann@intevation.de> parents: diff changeset	117 switch e := err.(type) {
3771788d3dae Reduce boilerplate code when writing JSON parsing/generating endpoints. Sascha L. Teichmann <sascha.teichmann@intevation.de> parents: diff changeset	118 case pgx.PgError:
3771788d3dae Reduce boilerplate code when writing JSON parsing/generating endpoints. Sascha L. Teichmann <sascha.teichmann@intevation.de> parents: diff changeset	119 var res = struct {
3771788d3dae Reduce boilerplate code when writing JSON parsing/generating endpoints. Sascha L. Teichmann <sascha.teichmann@intevation.de> parents: diff changeset	120 Result string `json:"result"`
241 3b688fe04c39 No omitempty if JSON serialising PostgreSQL errors. Sascha L. Teichmann <sascha.teichmann@intevation.de> parents: 240 diff changeset	121 Code string `json:"code"`
3b688fe04c39 No omitempty if JSON serialising PostgreSQL errors. Sascha L. Teichmann <sascha.teichmann@intevation.de> parents: 240 diff changeset	122 Message string `json:"message"`
237 3771788d3dae Reduce boilerplate code when writing JSON parsing/generating endpoints. Sascha L. Teichmann <sascha.teichmann@intevation.de> parents: diff changeset	123 }{
3771788d3dae Reduce boilerplate code when writing JSON parsing/generating endpoints. Sascha L. Teichmann <sascha.teichmann@intevation.de> parents: diff changeset	124 Result: "failure",
3771788d3dae Reduce boilerplate code when writing JSON parsing/generating endpoints. Sascha L. Teichmann <sascha.teichmann@intevation.de> parents: diff changeset	125 Code: e.Code,
3771788d3dae Reduce boilerplate code when writing JSON parsing/generating endpoints. Sascha L. Teichmann <sascha.teichmann@intevation.de> parents: diff changeset	126 Message: e.Message,
3771788d3dae Reduce boilerplate code when writing JSON parsing/generating endpoints. Sascha L. Teichmann <sascha.teichmann@intevation.de> parents: diff changeset	127 }
3771788d3dae Reduce boilerplate code when writing JSON parsing/generating endpoints. Sascha L. Teichmann <sascha.teichmann@intevation.de> parents: diff changeset	128 rw.Header().Set("Content-Type", "application/json")
3771788d3dae Reduce boilerplate code when writing JSON parsing/generating endpoints. Sascha L. Teichmann <sascha.teichmann@intevation.de> parents: diff changeset	129 rw.WriteHeader(http.StatusInternalServerError)
3771788d3dae Reduce boilerplate code when writing JSON parsing/generating endpoints. Sascha L. Teichmann <sascha.teichmann@intevation.de> parents: diff changeset	130 if err := json.NewEncoder(rw).Encode(&res); err != nil {
3771788d3dae Reduce boilerplate code when writing JSON parsing/generating endpoints. Sascha L. Teichmann <sascha.teichmann@intevation.de> parents: diff changeset	131 log.Printf("error: %v\n", err)
3771788d3dae Reduce boilerplate code when writing JSON parsing/generating endpoints. Sascha L. Teichmann <sascha.teichmann@intevation.de> parents: diff changeset	132 }
3771788d3dae Reduce boilerplate code when writing JSON parsing/generating endpoints. Sascha L. Teichmann <sascha.teichmann@intevation.de> parents: diff changeset	133 case JSONError:
3771788d3dae Reduce boilerplate code when writing JSON parsing/generating endpoints. Sascha L. Teichmann <sascha.teichmann@intevation.de> parents: diff changeset	134 rw.Header().Set("Content-Type", "application/json")
341 889517f254f5 Use code of JSONError as HTTP code. Sascha L. Teichmann <sascha.teichmann@intevation.de> parents: 302 diff changeset	135 if e.Code == 0 {
889517f254f5 Use code of JSONError as HTTP code. Sascha L. Teichmann <sascha.teichmann@intevation.de> parents: 302 diff changeset	136 e.Code = http.StatusInternalServerError
889517f254f5 Use code of JSONError as HTTP code. Sascha L. Teichmann <sascha.teichmann@intevation.de> parents: 302 diff changeset	137 }
889517f254f5 Use code of JSONError as HTTP code. Sascha L. Teichmann <sascha.teichmann@intevation.de> parents: 302 diff changeset	138 rw.WriteHeader(e.Code)
237 3771788d3dae Reduce boilerplate code when writing JSON parsing/generating endpoints. Sascha L. Teichmann <sascha.teichmann@intevation.de> parents: diff changeset	139 var res = struct {
3771788d3dae Reduce boilerplate code when writing JSON parsing/generating endpoints. Sascha L. Teichmann <sascha.teichmann@intevation.de> parents: diff changeset	140 Message string `json:"message"`
3771788d3dae Reduce boilerplate code when writing JSON parsing/generating endpoints. Sascha L. Teichmann <sascha.teichmann@intevation.de> parents: diff changeset	141 }{
3771788d3dae Reduce boilerplate code when writing JSON parsing/generating endpoints. Sascha L. Teichmann <sascha.teichmann@intevation.de> parents: diff changeset	142 Message: e.Message,
3771788d3dae Reduce boilerplate code when writing JSON parsing/generating endpoints. Sascha L. Teichmann <sascha.teichmann@intevation.de> parents: diff changeset	143 }
3771788d3dae Reduce boilerplate code when writing JSON parsing/generating endpoints. Sascha L. Teichmann <sascha.teichmann@intevation.de> parents: diff changeset	144 if err := json.NewEncoder(rw).Encode(&res); err != nil {
3771788d3dae Reduce boilerplate code when writing JSON parsing/generating endpoints. Sascha L. Teichmann <sascha.teichmann@intevation.de> parents: diff changeset	145 log.Printf("error: %v\n", err)
3771788d3dae Reduce boilerplate code when writing JSON parsing/generating endpoints. Sascha L. Teichmann <sascha.teichmann@intevation.de> parents: diff changeset	146 }
3771788d3dae Reduce boilerplate code when writing JSON parsing/generating endpoints. Sascha L. Teichmann <sascha.teichmann@intevation.de> parents: diff changeset	147 default:
3771788d3dae Reduce boilerplate code when writing JSON parsing/generating endpoints. Sascha L. Teichmann <sascha.teichmann@intevation.de> parents: diff changeset	148 http.Error(rw,
3771788d3dae Reduce boilerplate code when writing JSON parsing/generating endpoints. Sascha L. Teichmann <sascha.teichmann@intevation.de> parents: diff changeset	149 "error: "+err.Error(),
3771788d3dae Reduce boilerplate code when writing JSON parsing/generating endpoints. Sascha L. Teichmann <sascha.teichmann@intevation.de> parents: diff changeset	150 http.StatusInternalServerError)
3771788d3dae Reduce boilerplate code when writing JSON parsing/generating endpoints. Sascha L. Teichmann <sascha.teichmann@intevation.de> parents: diff changeset	151 }
3771788d3dae Reduce boilerplate code when writing JSON parsing/generating endpoints. Sascha L. Teichmann <sascha.teichmann@intevation.de> parents: diff changeset	152 return
3771788d3dae Reduce boilerplate code when writing JSON parsing/generating endpoints. Sascha L. Teichmann <sascha.teichmann@intevation.de> parents: diff changeset	153 }
3771788d3dae Reduce boilerplate code when writing JSON parsing/generating endpoints. Sascha L. Teichmann <sascha.teichmann@intevation.de> parents: diff changeset	154
238 2b39bf2bf1fd If no error code was given in a JSONResult assume Status OK (200). Sascha L. Teichmann <sascha.teichmann@intevation.de> parents: 237 diff changeset	155 if jr.Code == 0 {
2b39bf2bf1fd If no error code was given in a JSONResult assume Status OK (200). Sascha L. Teichmann <sascha.teichmann@intevation.de> parents: 237 diff changeset	156 jr.Code = http.StatusOK
2b39bf2bf1fd If no error code was given in a JSONResult assume Status OK (200). Sascha L. Teichmann <sascha.teichmann@intevation.de> parents: 237 diff changeset	157 }
2b39bf2bf1fd If no error code was given in a JSONResult assume Status OK (200). Sascha L. Teichmann <sascha.teichmann@intevation.de> parents: 237 diff changeset	158
240 9012e4045da4 Implemented /user delete controller. Sascha L. Teichmann <sascha.teichmann@intevation.de> parents: 239 diff changeset	159 if jr.Code != http.StatusNoContent {
9012e4045da4 Implemented /user delete controller. Sascha L. Teichmann <sascha.teichmann@intevation.de> parents: 239 diff changeset	160 rw.Header().Set("Content-Type", "application/json")
9012e4045da4 Implemented /user delete controller. Sascha L. Teichmann <sascha.teichmann@intevation.de> parents: 239 diff changeset	161 }
237 3771788d3dae Reduce boilerplate code when writing JSON parsing/generating endpoints. Sascha L. Teichmann <sascha.teichmann@intevation.de> parents: diff changeset	162 rw.WriteHeader(jr.Code)
240 9012e4045da4 Implemented /user delete controller. Sascha L. Teichmann <sascha.teichmann@intevation.de> parents: 239 diff changeset	163 if jr.Code != http.StatusNoContent {
739 b800eb2a0846 JSON handler: if result is an io.Reader copyit through. Sascha L. Teichmann <sascha.teichmann@intevation.de> parents: 536 diff changeset	164 var err error
741 8bb2e48e2dfd Cosmetics. Sascha L. Teichmann <sascha.teichmann@intevation.de> parents: 739 diff changeset	165 if r, ok := jr.Result.(io.Reader); ok {
739 b800eb2a0846 JSON handler: if result is an io.Reader copyit through. Sascha L. Teichmann <sascha.teichmann@intevation.de> parents: 536 diff changeset	166 _, err = io.Copy(rw, r)
b800eb2a0846 JSON handler: if result is an io.Reader copyit through. Sascha L. Teichmann <sascha.teichmann@intevation.de> parents: 536 diff changeset	167 } else {
b800eb2a0846 JSON handler: if result is an io.Reader copyit through. Sascha L. Teichmann <sascha.teichmann@intevation.de> parents: 536 diff changeset	168 err = json.NewEncoder(rw).Encode(jr.Result)
b800eb2a0846 JSON handler: if result is an io.Reader copyit through. Sascha L. Teichmann <sascha.teichmann@intevation.de> parents: 536 diff changeset	169 }
b800eb2a0846 JSON handler: if result is an io.Reader copyit through. Sascha L. Teichmann <sascha.teichmann@intevation.de> parents: 536 diff changeset	170 if err != nil {
240 9012e4045da4 Implemented /user delete controller. Sascha L. Teichmann <sascha.teichmann@intevation.de> parents: 239 diff changeset	171 log.Printf("error: %v\n", err)
9012e4045da4 Implemented /user delete controller. Sascha L. Teichmann <sascha.teichmann@intevation.de> parents: 239 diff changeset	172 }
237 3771788d3dae Reduce boilerplate code when writing JSON parsing/generating endpoints. Sascha L. Teichmann <sascha.teichmann@intevation.de> parents: diff changeset	173 }
3771788d3dae Reduce boilerplate code when writing JSON parsing/generating endpoints. Sascha L. Teichmann <sascha.teichmann@intevation.de> parents: diff changeset	174 }
979 7934b5c1a910 Finally enqueue sounding result import job to import jobs. Sascha L. Teichmann <teichmann@intevation.de> parents: 741 diff changeset	175
1693 cdc8933949f2 Controllers: Resolved the remaining golint issues with this package. Sascha L. Teichmann <teichmann@intevation.de> parents: 1685 diff changeset	176 // SendJSON sends data JSON encoded to the response writer
cdc8933949f2 Controllers: Resolved the remaining golint issues with this package. Sascha L. Teichmann <teichmann@intevation.de> parents: 1685 diff changeset	177 // with a given HTTP status code.
979 7934b5c1a910 Finally enqueue sounding result import job to import jobs. Sascha L. Teichmann <teichmann@intevation.de> parents: 741 diff changeset	178 func SendJSON(rw http.ResponseWriter, code int, data interface{}) {
7934b5c1a910 Finally enqueue sounding result import job to import jobs. Sascha L. Teichmann <teichmann@intevation.de> parents: 741 diff changeset	179 rw.Header().Set("Content-Type", "application/json")
7934b5c1a910 Finally enqueue sounding result import job to import jobs. Sascha L. Teichmann <teichmann@intevation.de> parents: 741 diff changeset	180 rw.WriteHeader(code)
7934b5c1a910 Finally enqueue sounding result import job to import jobs. Sascha L. Teichmann <teichmann@intevation.de> parents: 741 diff changeset	181 if err := json.NewEncoder(rw).Encode(data); err != nil {
7934b5c1a910 Finally enqueue sounding result import job to import jobs. Sascha L. Teichmann <teichmann@intevation.de> parents: 741 diff changeset	182 log.Printf("error: %v\n", err)
7934b5c1a910 Finally enqueue sounding result import job to import jobs. Sascha L. Teichmann <teichmann@intevation.de> parents: 741 diff changeset	183 }
7934b5c1a910 Finally enqueue sounding result import job to import jobs. Sascha L. Teichmann <teichmann@intevation.de> parents: 741 diff changeset	184 }

Mercurial > gemma

annotate pkg/controllers/json.go @ 2549:9bf6b767a56a