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sample go rest webservice
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package main | |
import ( | |
"os" | |
"code.google.com/p/gorest" | |
"net/http" | |
"time" | |
"log" | |
"github.com/jinzhu/gorm" | |
_ "github.com/go-sql-driver/mysql" | |
) | |
var db *gorm.DB | |
func main() { | |
ip := os.Getenv("OPENSHIFT_MYSQL_DB_HOST") | |
port := os.Getenv("OPENSHIFT_MYSQL_DB_PORT") | |
connString := "root:*******@tcp(" + ip + ":" + port + ")/blog?charset=utf8&parseTime=True" | |
gormDb, err := gorm.Open("mysql", connString) | |
db = &gormDb | |
if err != nil { | |
panic(err.Error()) | |
} | |
db.LogMode(true) | |
//db.DB().SetMaxIdleConns(10) | |
//db.DB().SetMaxOpenConns(100) | |
db.DB().Ping() | |
db.SingularTable(true) | |
gorest.RegisterService(new(UserService)) | |
http.Handle("/", gorest.Handle()) | |
http.ListenAndServe(":8080", nil) | |
} | |
type User struct { | |
LoginId string | |
EmailId string | |
Passwd string | |
LastLogin time.Time | |
} | |
type UserService struct { | |
//Service level config | |
gorest.RestService `root:"/user/" consumes:"application/json" produces:"application/json"` | |
//End-Point level configs: Field names must be the same as the corresponding method names, | |
//but not-exported (starts with lowercase) | |
getUserById gorest.EndPoint `method:"GET" path:"/{userId:string}" output:"User"` | |
createUser gorest.EndPoint `method:"POST" path:"/create/" postdata:"User"` | |
deleteUser gorest.EndPoint `method:"DELETE" path:"/delete/{userId:string}"` | |
} | |
func (service UserService) GetUserById(userId string) (User) { | |
log.Println("entering to GetUserById with userId = " + userId) | |
var users []User | |
db.Where("login_id = ?", userId).Find(&users) | |
if users != nil && len(users) > 0 { | |
service.ResponseBuilder().SetResponseCode(200) | |
return users[0] | |
} else { | |
service.ResponseBuilder().SetResponseCode(404) | |
return User{} | |
} | |
} | |
func (service UserService) CreateUser(user User) { | |
log.Println("entering to CreateUser with loginId = " + user.LoginId) | |
if db.NewRecord(user) { | |
db.Table("user").Save(&user) | |
service.ResponseBuilder().SetResponseCode(201) | |
} else { | |
user.LoginId = "" | |
db.Table("user").Update(&user) | |
service.ResponseBuilder().SetResponseCode(200) | |
} | |
} | |
func (service UserService) DeleteUser(userId string) { | |
log.Println("entering to DeleteUser with loginId = " + userId) | |
db.Table("user").Where("login_id = ?", userId).Delete(&User{}) | |
service.ResponseBuilder().SetResponseCode(200) | |
} |
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