feat: validation, postgress connection,

projects/greenlight/cmd/api/movies.go

@@ -6,26 +6,41 @@ import (
 	"time"
 
 	"greenlight.debuggingjon.dev/internal/data"
+	"greenlight.debuggingjon.dev/internal/validator"
 )
 
 func (app *application) createMovieHandler(w http.ResponseWriter, r *http.Request) {
 	var input struct {
-		Title   string   `json:"title"`
-		Year    int32    `json:"year"`
-		Runtime int32    `json:"runtime"`
-		Genres  []string `json:"genres"`
+		Title   string       `json:"title"`
+		Year    int32        `json:"year"`
+		Runtime data.Runtime `json:"runtime"`
+		Genres  []string     `json:"genres"`
 	}
 
-	// Use the new readJSON() helper to decode the request body into the input struct.
-	// If this returns an error we send the client the error message along with a 400
-	// Bad Request status code, just like before.
 	err := app.readJSON(w, r, &input)
 	if err != nil {
-		// Use the new badRequestResponse() helper.
 		app.badRequestResponse(w, r, err)
 		return
 	}
 
+	// Copy the values from the input struct to a new Movie struct.
+	movie := &data.Movie{
+		Title:   input.Title,
+		Year:    input.Year,
+		Runtime: input.Runtime,
+		Genres:  input.Genres,
+	}
+
+	// Initialize a new Validator.
+	v := validator.New()
+
+	// Call the ValidateMovie() function and return a response containing the errors if
+	// any of the checks fail.
+	if data.ValidateMovie(v, movie); !v.Valid() {
+		app.failedValidationResponse(w, r, v.Errors)
+		return
+	}
+
 	fmt.Fprintf(w, "%+v\n", input)
 }