decode_json_rawmessage.go

package main

import (
	"encoding/json"
	"fmt"
)

type Envelope struct {
	Token	 string            `json:token`
	Project  string            `json:project`
	Type     string            `json:type`
	Payload  json.RawMessage   `json:payload`
}

type Commit struct {
	Author   string `json:author`
	Date     string `json:date`
	LinesAdd int    `json:linesadd`
	LinesDel int    `json:linesdel`
	Message  string `json:message`
}

type PushMessage struct {
	Repo    string	  `json:repo`
	Commits []Commit  `json:commits`
}

func main() {
	b := []byte(`{
	   "token": "iasydiajshdkjash87",
	   "project": "arasto", 
	   "type": "push", 
	   "payload":{"repo": "arasto3", "commits": [{"author": "dm", "date": "2015-08-07 15:14", "linesadd": 21, "linesdel": 15, "message": "blabla"},{"author": "dm", "date": "2015-08-08 16:14", "linesadd": 5, "linesdel": 3, "message": "msg2"}]}
	}`)

	var envelope Envelope
	err := json.Unmarshal(b, &envelope)
	if err != nil {
		fmt.Println(err)
	}

	var pushata PushMessage
	err = json.Unmarshal(envelope.Payload, &pushata)
	if err != nil {
		fmt.Println(err)
	}
	fmt.Println(pushata)
}