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Commit 9e0137a

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added project skeleton
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‎README.md

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# Description
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This project is a *Go language* learning project with simple RestFul services. It has global array inside, not real DB connection so when server down added JSON's will be deleted.
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# How can run?
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First of all, you need to have *Go* in your computer. For Mac you can install with brew easily.
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```
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brew install go
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```
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If everything is OK, you should encounter an output like this at terminal when wrote *go version*.
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```
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go version
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go version go1.9.2 darwin/amd64
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```
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For run the project, in the project directory you need to write following command.
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```
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go run main.go
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```
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If everything works correctly, you can start the CRUD operations with following URL.
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```
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http://127.0.0.1:3000
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```
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# URL's and Example
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List all of user (Need To Use GET method)
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```
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http://127.0.0.1:3000/getAll
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```
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Add new User with JSON type ((Need To Use POST method))
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```
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http://127.0.0.1:3000/newUser
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{
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"id": 1,
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"name": "mockName",
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"surname": "mockSurname",
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"age": 30
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}
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```
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List one user with the given Id (Need To Use GET method)
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```
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http://127.0.0.1:3000/users/1
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```
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Update one user with the given Id (Need To Use PUT method)
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```
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http://127.0.0.1:3000/users/1
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```
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Delete one user with the given Id (Need To Use DELETE method)
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```
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http://127.0.0.1:3000/users/1
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```

‎main.go

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package main
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import (
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"net/http"
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"time"
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"Simple-GO-RestFul/muxes"
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)
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func main() {
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s := &http.Server{
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Addr: ":3000",
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Handler: muxes.SERVE(),
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ReadTimeout: 10 * time.Second,
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WriteTimeout: 10 * time.Second,
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MaxHeaderBytes: 1 << 20,
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}
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s.ListenAndServe()
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}

‎muxes/muxes.go

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package muxes
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import (
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"net/http"
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"encoding/json"
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"io/ioutil"
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"strings"
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"strconv"
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"log"
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)
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type (
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User struct {
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Id int
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Name string
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Surname string
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Age int
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}
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)
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type Users = []User
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var users = Users{
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User{
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0,
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"Fatih",
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"Totrakanlı",
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27,
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},
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}
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func SERVE() *http.ServeMux {
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log.Print("Server started at http://127.0.0.1:3000 port.")
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mux := http.NewServeMux()
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mux.HandleFunc("/newUser", func(w http.ResponseWriter, req *http.Request) {
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if req.Method != "POST" {
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http.NotFound(w, req)
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return
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}
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var newUser = convertRequestToUser(req)
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okStatus(w)
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users = append(users, newUser)
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log.Printf("New User %s %s added successfully.", newUser.Name, newUser.Surname)
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json.NewEncoder(w).Encode(newUser)
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return
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})
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mux.HandleFunc("/getAll", func(w http.ResponseWriter, req *http.Request) {
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if req.Method != "GET" {
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http.NotFound(w, req)
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return
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}
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okStatus(w)
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log.Printf("All users listed successfully.")
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json.NewEncoder(w).Encode(users)
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return
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})
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mux.HandleFunc("/users/", func(w http.ResponseWriter, req *http.Request) {
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var method = req.Method
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if method != "GET" && method != "DELETE" && method != "PUT" {
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http.NotFound(w, req)
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return
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}
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id, err := strconv.Atoi(strings.TrimPrefix(req.URL.Path, "/users/"))
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if err != nil {
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panic(err)
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}
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okStatus(w)
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for index, user := range users {
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if user.Id == id {
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if method == "GET" {
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log.Printf("The user who is name %s %s listed successfully.", user.Name, user.Surname)
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json.NewEncoder(w).Encode(user)
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return
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}
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if method == "DELETE" {
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users = remove(users, index)
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log.Printf("The user who is name %s %s deleted successfully.", user.Name, user.Surname)
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json.NewEncoder(w).Encode(users)
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return
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}
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if method == "PUT" {
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var newUser = convertRequestToUser(req)
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users[index] = newUser
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log.Printf("The user who is name %s %s updated successfully.", user.Name, user.Surname)
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json.NewEncoder(w).Encode(users)
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return
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}
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}
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}
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json.NewEncoder(w).Encode(nil)
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return
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})
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return mux
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}
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func okStatus(w http.ResponseWriter) {
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w.Header().Set("Content-Type", "text/json; charset=utf-8")
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w.WriteHeader(http.StatusOK)
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return
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}
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func remove(slice Users, s int) Users {
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return append(slice[:s], slice[s+1:]...)
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}
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func convertRequestToUser(req *http.Request) User {
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body, err := ioutil.ReadAll(req.Body)
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if err != nil {
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panic(err)
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}
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var newUser User
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err = json.Unmarshal(body, &newUser)
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if err != nil {
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panic(err)
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}
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return newUser
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}

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