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http-rest-post.go
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http-rest-post.go
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package main
import (
"encoding/json"
"log"
"net/http"
"github.com/gorilla/mux"
)
const (
CONN_HOST = "localhost"
CONN_PORT = "8080"
)
type Route struct {
Name string
Method string
Pattern string
HandlerFunc http.HandlerFunc
}
type Routes []Route
var routes = Routes{
Route{
"getEmployees",
"GET",
"/employees",
getEmployees,
},
Route{
"addEmployee",
"POST",
"/employee/add",
addEmployee,
},
}
type Employee struct {
Id string `json:"id"`
FirstName string `json:"firstName"`
LastName string `json:"lastName"`
}
type Employees []Employee
var employees []Employee
func init() {
employees = Employees{
Employee{Id: "1", FirstName: "Foo", LastName: "Bar"},
Employee{Id: "2", FirstName: "Baz", LastName: "Qux"},
}
}
func getEmployees(w http.ResponseWriter, r *http.Request) {
json.NewEncoder(w).Encode(employees)
}
func addEmployee(w http.ResponseWriter, r *http.Request) {
employee := Employee{}
err := json.NewDecoder(r.Body).Decode(&employee)
if err != nil {
log.Print("error occurred while decoding employee data :: ", err)
return
}
log.Printf("adding employee id :: %s with firstName as :: %s and lastName as :: %s ", employee.Id, employee.FirstName, employee.LastName)
employees = append(employees, Employee{Id: employee.Id, FirstName: employee.FirstName, LastName: employee.LastName})
json.NewEncoder(w).Encode(employees)
}
func AddRoutes(router *mux.Router) *mux.Router {
for _, route := range routes {
router.
Methods(route.Method).
Path(route.Pattern).
Name(route.Name).
Handler(route.HandlerFunc)
}
return router
}
func main() {
muxRouter := mux.NewRouter().StrictSlash(true)
router := AddRoutes(muxRouter)
err := http.ListenAndServe(CONN_HOST+":"+CONN_PORT, router)
if err != nil {
log.Fatal("error starting http server :: ", err)
return
}
}