greenlight/cmd/api/movies.go

76 lines
1.9 KiB
Go

package main
import (
"fmt"
"net/http"
"time"
"greenlight.ergz/internal/data"
"greenlight.ergz/internal/validator"
)
func (app *application) createMovieHandler(w http.ResponseWriter, r *http.Request) {
var input struct {
Title string `json:"title"`
Year int32 `json:"year"`
Runtime data.Runtime `json:"runtime"`
Genres []string `json:"genres"`
}
err := app.readJSON(w, r, &input)
if err != nil {
app.errorResponse(w, r, http.StatusBadRequest, err.Error())
return
}
v := validator.New()
// validate title
v.Check(input.Title != "", "title", "must be provided")
v.Check(len(input.Title) <= 500, "title", "must not be more than 500 bytes")
// validate the year
v.Check(input.Year != 0, "year", "must be provided")
v.Check(input.Year >= 1888, "year", "must be greater than 1888")
v.Check(input.Year <= int32(time.Now().Year()), "year", "must not be in the future")
v.Check(input.Runtime != 0, "runtime", "must be provided")
v.Check(input.Runtime > 0, "runtime", "must be a positive integer")
v.Check(input.Genres != nil, "genres", "must be provided")
v.Check(len(input.Genres) >= 1, "genres", "at least one genre must be provided")
v.Check(len(input.Genres) <= 5, "genres", "no more than 5 genres can be provided")
v.Check(validator.Unique(input.Genres), "genres", "must not contain duplicate genre")
if !v.Valid() {
app.failedValidationResponse(w, r, v.Errors)
return
}
fmt.Fprintf(w, "%+v\n", input)
}
func (app *application) showMovieHandler(w http.ResponseWriter, r *http.Request) {
id, err := app.readIDParam(r)
if err != nil {
app.notFoundResponse(w, r)
return
}
movie := data.Movie{
ID: id,
CreatedAt: time.Now(),
Title: "Casablanca",
Runtime: 102,
Genres: []string{"drama", "romance", "war"},
Version: 1,
}
envelopedMovie := envelope{"movie": movie}
err = app.writeJSON(w, http.StatusOK, envelopedMovie, nil)
if err != nil {
app.serverErrorResponse(w, r, err)
}
}