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.

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},
+	}
+}