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books.go
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books.go
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package api
import (
"encoding/json"
"log"
"math/rand"
"net/http"
"strconv"
"github.com/go-chi/chi"
"github.com/nurislam03/Bookshop/model"
)
// Get all books
func (api *API) getBooks(w http.ResponseWriter, r *http.Request) {
w.Header().Set("Content-Type", "application/json")
books, err := api.BookDataStore.GetAllBooks()
if err != nil {
log.Println(err)
http.Error(w, http.StatusText(404), 404)
return
}
json.NewEncoder(w).Encode(books)
}
// Get single book
func (api *API) getBook(w http.ResponseWriter, r *http.Request) {
w.Header().Set("Content-Type", "application/json")
bID := chi.URLParam(r, "id")
log.Println("BOOK-ID:", bID)
book, err := api.BookDataStore.GetBookByID(bID)
if err != nil {
http.Error(w, http.StatusText(404), 404)
return
}
json.NewEncoder(w).Encode(book)
}
type createBookBody struct {
Isbn string `json:"isbn"`
Title string `json:"title"`
Author struct {
Firstname string `json:"firstname"`
Lastname string `json:"lastname"`
} `json:"author"`
}
// Add new book
func (api *API) createBook(w http.ResponseWriter, r *http.Request) {
w.Header().Set("Content-Type", "application/json")
body := &createBookBody{}
_ = json.NewDecoder(r.Body).Decode(body)
book := &model.Book{
ID: strconv.Itoa(rand.Intn(100000000)),
Isbn: body.Isbn,
Title: body.Title,
Author: &model.Author{
Firstname: body.Author.Firstname,
Lastname: body.Author.Lastname,
},
}
book, err := api.BookDataStore.AddNewBook(book)
if err != nil {
http.Error(w, http.StatusText(404), 404)
return
}
json.NewEncoder(w).Encode(book)
}
type updateBookBody struct {
Isbn string `json:"isbn"`
Title string `json:"title"`
Author struct {
Firstname string `json:"firstname"`
Lastname string `json:"lastname"`
} `json:"author"`
}
// Update book
func (api *API) updateBook(w http.ResponseWriter, r *http.Request) {
w.Header().Set("Content-Type", "application/json")
body := &updateBookBody{}
_ = json.NewDecoder(r.Body).Decode(body)
bID := chi.URLParam(r, "id")
// log.Println(bID)
book := &model.Book{
ID: bID,
Isbn: body.Isbn,
Title: body.Title,
Author: &model.Author{
Firstname: body.Author.Firstname,
Lastname: body.Author.Lastname,
},
}
book, err := api.BookDataStore.UpdateBookByID(bID, book)
if err != nil {
http.Error(w, http.StatusText(404), 404)
return
}
json.NewEncoder(w).Encode(book)
}
// Delete book
func (api *API) deleteBook(w http.ResponseWriter, r *http.Request) {
w.Header().Set("Content-Type", "application/json")
bID := chi.URLParam(r, "id")
err := api.BookDataStore.DeleteBookByID(bID)
if err != nil {
http.Error(w, http.StatusText(404), 404)
return
}
json.NewEncoder(w).Encode("{status: success}")
}