forked from imheresamir/go-database-drivers
/
sqlserver-json-rest.go
166 lines (140 loc) · 3.36 KB
/
sqlserver-json-rest.go
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package main
import (
_ "code.google.com/p/odbc"
"database/sql"
"fmt"
"github.com/ant0ine/go-json-rest/rest"
"log"
"net/http"
)
var SQLSERVER_HOSTNAME = "TIGER\\SQLEXPRESS"
var USER_ID = "user"
var PASS = "pass"
var PORT = "1433"
var TABLENAME = "temp.dbo.Users2"
var COLNAME = "Name"
var HTTPREST_SERVERPORT = "8082"
type Api struct {
DB *sql.DB
}
type User struct {
Id int
Name string
}
func (api *Api) initDB() {
driverString := "driver={sql server};server=" + SQLSERVER_HOSTNAME + ";uid=" + USER_ID + ";pwd=" + PASS + ";port=" + PORT
db, err := sql.Open("odbc", driverString)
if err != nil {
fmt.Println(err)
return
}
api.DB = db
}
func main() {
api := Api{}
api.initDB()
handler := rest.ResourceHandler{
EnableRelaxedContentType: true,
}
handler.SetRoutes(
rest.RouteObjectMethod("GET", "/api/users", &api, "GetAllUsers"),
rest.RouteObjectMethod("POST", "/api/users", &api, "PostUser"),
rest.RouteObjectMethod("GET", "/api/users/:id", &api, "GetUser"),
/*&rest.RouteObjectMethod("PUT", "/api/users/:id", &api, "PutUser"),*/
rest.RouteObjectMethod("DELETE", "/api/users/:id", &api, "DeleteUser"),
)
http.ListenAndServe(":" + HTTPREST_SERVERPORT, &handler)
}
func (api *Api) GetAllUsers(w rest.ResponseWriter, r *rest.Request) {
users := make([]User, 0)
rows, err := api.DB.Query("SELECT * FROM " + TABLENAME)
if err != nil {
log.Fatal(err)
}
for rows.Next() {
var id int
var name string
if err := rows.Scan(&id, &name); err != nil {
log.Fatal(err)
}
users = append(users, User{Id: id, Name: name})
}
if err := rows.Err(); err != nil {
log.Fatal(err)
}
w.WriteJson(&users)
}
func (api *Api) GetUser(w rest.ResponseWriter, r *rest.Request) {
id := r.PathParam("id")
user := &User{}
rows, err := api.DB.Query("SELECT * FROM " + TABLENAME + " WHERE ID = " + id)
if err != nil {
log.Fatal(err)
}
if rows.Next() {
var id int
var name string
if err := rows.Scan(&id, &name); err != nil {
log.Fatal(err)
}
user = &User{Id: id, Name: name}
} else {
rest.NotFound(w, r)
return
}
if err := rows.Err(); err != nil {
log.Fatal(err)
}
w.WriteJson(&user)
}
func (api *Api) PostUser(w rest.ResponseWriter, r *rest.Request) {
user := User{}
err := r.DecodeJsonPayload(&user)
if err != nil {
rest.Error(w, err.Error(), http.StatusInternalServerError)
return
}
lastInsertId, err := api.DB.Query("INSERT INTO " + TABLENAME + "(" + COLNAME + ") OUTPUT Inserted.ID VALUES('" + user.Name + "')")
if err != nil {
fmt.Println(err)
return
}
if lastInsertId.Next() {
var id int
if err := lastInsertId.Scan(&id); err != nil {
log.Fatal(err)
}
user.Id = id
} else {
rest.NotFound(w, r)
return
}
if err := lastInsertId.Err(); err != nil {
log.Fatal(err)
}
w.WriteJson(&user)
}
/*func (api *Api) PutUser(w rest.ResponseWriter, r *rest.Request) {
id := r.PathParam("id")
if self.Store[id] == nil {
rest.NotFound(w, r)
return
}
user := User{}
err := r.DecodeJsonPayload(&user)
if err != nil {
rest.Error(w, err.Error(), http.StatusInternalServerError)
return
}
user.Id = id
self.Store[id] = &user
w.WriteJson(&user)
}*/
func (api *Api) DeleteUser(w rest.ResponseWriter, r *rest.Request) {
id := r.PathParam("id")
_, err := api.DB.Exec("DELETE FROM " + TABLENAME + " WHERE ID = " + id)
if err != nil {
fmt.Println(err)
return
}
}