Updating movies.go with MovieModel: this struct is the gateway between our app and the database. Adding CRUD methods alongside for the Movie object. Creating models.go: this file holds a Models struct wrapping all of our Models. This way, we are able to use in our application struct in our main.go.

cmd/api/main.go

@@ -5,6 +5,7 @@ import (
 	"database/sql"
 	"flag"
 	"fmt"
+	"greenlight.craftr.fr/internal/data"
 	"log/slog"
 	"net/http"
 	"os"
@@ -40,13 +41,11 @@ type config struct {
 	}
 }
 
-/*
-Define an application struct to hold the dependencies for our HTTP handlers, helpers,
-and middleware.
-*/
+// application struct hold the dependencies for our HTTP handlers, helpers, and middleware.
 type application struct {
 	config config
 	logger *slog.Logger
+	models data.Models
 }
 
 func main() {
@@ -91,6 +90,7 @@ func main() {
 	app := &application{
 		config: cfg,
 		logger: logger,
+		models: data.NewModels(db),
 	}
 
 	/*

internal/data/models.go

@@ -0,0 +1,23 @@
+package data
+
+import (
+	"database/sql"
+	"errors"
+)
+
+// ErrRecordNotFound : Define a custom ErrRecordNotFound error. We'll return this from our Get() method when looking up a movie that doesn't exist in our database.
+var (
+	ErrRecordNotFound = errors.New("record not found")
+)
+
+// Models : Wraps the MovieModel. We'll add other models to this, like a UserModel and PermissionModel, as our build progresses.
+type Models struct {
+	Movies MovieModel
+}
+
+// NewModels : For ease of use, this method returns a Models struct containing the initialized MovieModel.
+func NewModels(db *sql.DB) Models {
+	return Models{
+		Movies: MovieModel{DB: db},
+	}
+}

internal/data/movies.go

@@ -1,8 +1,10 @@
 package data
 
 import (
-	"greenlight.craftr.fr/internal/validator"
+	"database/sql"
 	"time"
+
+	"greenlight.craftr.fr/internal/validator"
 )
 
 // Movie
@@ -41,3 +43,28 @@ func ValidateMovie(v *validator.Validator, movie *Movie) {
 	// Not that we're using the Unique helper in the line below to check that all values in the input.Genres slice are unique
 	v.Check(validator.Unique(movie.Genres), "genres", "must not contain duplicate values")
 }
+
+// MovieModel struct type wraps a sql.DB connection pool
+type MovieModel struct {
+	DB *sql.DB
+}
+
+// Insert : Inserting a new record in the movies table
+func (m MovieModel) Insert(movie *Movie) error {
+	return nil
+}
+
+// Get : Fetching a specific record from the movies table
+func (m MovieModel) Get(id int64) (*Movie, error) {
+	return nil, nil
+}
+
+// Update : Updating a specific record in the movies table
+func (m MovieModel) Update(movie *Movie) error {
+	return nil
+}
+
+// Delete : Deleting a specific record from the movies table
+func (m MovieModel) Delete(id int64) error {
+	return nil
+}