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empact/server/request.go

118 lines
2.4 KiB
Go

package server
import (
"encoding/json"
"net/http"
"strconv"
"time"
"code.google.com/p/go-uuid/uuid"
"github.com/garyburd/redigo/redis"
)
type (
request struct {
r *http.Request
w http.ResponseWriter
sid string
token string
login string
}
statRequest struct {
Org string `structs:"org"`
Team string `structs:"team"`
User string `structs:"user"`
Repo string `structs:"repo"`
From int64 `structs:"from"`
To int64 `structs:"to"`
Item string `structs:"item"`
}
)
func parseRequest(w http.ResponseWriter, r *http.Request) (*request, *statRequest) {
sid := sessionID(w, r)
login, _ := redis.String(redisPool.Get().Do("HGET", "sessions", sid))
token, _ := redis.String(redisPool.Get().Do("HGET", "tokens", sid))
req := &request{
r: r,
w: w,
sid: sid,
token: token,
login: login,
}
return req, parseStatRequest(r)
}
func (r *request) authorize(token, login string) {
redisPool.Get().Do("HSET", "tokens", r.sid, token)
redisPool.Get().Do("HSET", "sessions", r.sid, login)
}
func (r *request) respondWith(resp interface{}) {
b, err := json.Marshal(resp)
if err != nil {
panic(err)
}
r.w.Header().Set("Access-Control-Allow-Origin", "*")
r.w.Header().Set("Content-Type", "application/json; charset=utf8")
r.w.Write(b)
}
func parseStatRequest(r *http.Request) *statRequest {
var err error
var from, to int64
if r.FormValue("from") != "" {
if from, err = strconv.ParseInt(r.FormValue("from"), 10, 64); err != nil {
panic(err)
}
} else {
from = 0
}
if r.FormValue("to") != "" {
if to, err = strconv.ParseInt(r.FormValue("to"), 10, 64); err != nil {
panic(err)
}
} else {
to = time.Now().Unix()
}
var item string
switch val := r.FormValue("item"); val {
case "author", "user":
item = "c.author"
case "team":
item = "t.name"
default:
item = "c.repo"
}
return &statRequest{
Org: r.FormValue("org"),
Team: r.FormValue("team"),
User: r.FormValue("user"),
Repo: r.FormValue("repo"),
From: from,
To: to,
Item: item,
}
}
func sessionID(w http.ResponseWriter, r *http.Request) string {
var cook *http.Cookie
var err error
if cook, err = r.Cookie(cookieName); err != nil {
cook = &http.Cookie{
Name: cookieName,
Value: uuid.New(),
Path: "/",
Expires: time.Now().Add(365 * 24 * time.Hour),
HttpOnly: true,
}
http.SetCookie(w, cook)
r.AddCookie(cook)
}
return cook.Value
}