Created
April 5, 2019 00:35
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Small restful api in go followed from the this (tutorial)[https://www.codementor.io/codehakase/building-a-restful-api-with-golang-a6yivzqdo]
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| package main | |
| import ( | |
| "encoding/json" | |
| "github.com/gorilla/mux" | |
| "log" | |
| "net/http" | |
| ) | |
| // The person Type (more like an object) | |
| type Person struct { | |
| ID string `json:"id,omitempty"` | |
| Firstname string `json:"firstname,omitempty"` | |
| Lastname string `json:"lastname,omitempty"` | |
| Address *Address `json:"address,omitempty"` | |
| } | |
| type Address struct { | |
| City string `json:"city,omitempty"` | |
| State string `json:"state,omitempty"` | |
| Country string `json:"state,omitempty"` | |
| } | |
| var people []Person | |
| // Display all from the people var | |
| func GetPeople(w http.ResponseWriter, r *http.Request) { | |
| json.NewEncoder(w).Encode(people) | |
| } | |
| // Display a single data | |
| func GetPerson(w http.ResponseWriter, r *http.Request) { | |
| params := mux.Vars(r) | |
| for _, item := range people { | |
| if item.ID == params["id"] { | |
| json.NewEncoder(w).Encode(item) // appending all the data in the response | |
| return | |
| } | |
| } | |
| json.NewEncoder(w).Encode(&Person{}) | |
| } | |
| // create a new item | |
| func CreatePerson(w http.ResponseWriter, r *http.Request) { | |
| params := mux.Vars(r) | |
| var person Person | |
| _ = json.NewDecoder(r.Body).Decode(&person) | |
| person.ID = params["id"] | |
| people = append(people, person) | |
| json.NewEncoder(w).Encode(people) | |
| } | |
| // Delete an item | |
| func DeletePerson(w http.ResponseWriter, r *http.Request) { | |
| params := mux.Vars(r) | |
| for index, item := range people { | |
| if item.ID == params["id"] { | |
| people = append(people[:index], people[index+1:]...) | |
| break | |
| } | |
| json.NewEncoder(w).Encode(people) | |
| } | |
| } | |
| // main function to boot up everything | |
| func main() { | |
| router := mux.NewRouter() | |
| people = append(people, Person{ID: "1", Firstname: "Yopa", Lastname: "Hubert", Address: &Address{City: "Bangangte", State: "West", Country: "Cameroon"}}) | |
| people = append(people, Person{ID: "2", Firstname: "Ngadou", Lastname: "Yopa", Address: &Address{City: "Buea", State: "South west", Country: "Cameroon"}}) | |
| router.HandleFunc("/people", GetPeople).Methods("GET") | |
| router.HandleFunc("/people/{id}", GetPerson).Methods("GET") | |
| router.HandleFunc("/people/{id}", CreatePerson).Methods("POST") | |
| router.HandleFunc("/people/{id}", DeletePerson).Methods("DELETE") | |
| log.Fatal(http.ListenAndServe(":8000", router)) | |
| } |
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