Initial commit

backend/internal/db/connection.go

@@ -0,0 +1,28 @@
+package db
+
+import (
+	"context"
+
+	"github.com/jackc/pgx/v5/pgxpool"
+	"go.uber.org/fx"
+)
+
+func NewDBConnection(lc fx.Lifecycle) *pgxpool.Pool {
+	pool, err := pgxpool.New(context.Background(), "postgresql://postgres:postgres@localhost:5432/postgres?sslmode=disable");
+	if err != nil {
+		panic(err.Error())
+	}
+
+	if err := pool.Ping(context.Background()); err != nil {
+		pool.Close()
+		panic(err.Error())
+	}
+
+	lc.Append(
+		fx.StopHook(func() {
+			pool.Close()
+		}),
+	)	
+
+	return pool
+}

backend/internal/db/db.go

@@ -0,0 +1,32 @@
+// Code generated by sqlc. DO NOT EDIT.
+// versions:
+//   sqlc v1.30.0
+
+package db
+
+import (
+	"context"
+
+	"github.com/jackc/pgx/v5"
+	"github.com/jackc/pgx/v5/pgconn"
+)
+
+type DBTX interface {
+	Exec(context.Context, string, ...interface{}) (pgconn.CommandTag, error)
+	Query(context.Context, string, ...interface{}) (pgx.Rows, error)
+	QueryRow(context.Context, string, ...interface{}) pgx.Row
+}
+
+func New(db DBTX) *Queries {
+	return &Queries{db: db}
+}
+
+type Queries struct {
+	db DBTX
+}
+
+func (q *Queries) WithTx(tx pgx.Tx) *Queries {
+	return &Queries{
+		db: tx,
+	}
+}

backend/internal/db/models.go

@@ -0,0 +1,15 @@
+// Code generated by sqlc. DO NOT EDIT.
+// versions:
+//   sqlc v1.30.0
+
+package db
+
+import (
+	"github.com/jackc/pgx/v5/pgtype"
+)
+
+type FoodItem struct {
+	Guid        pgtype.UUID
+	Title       string
+	Description string
+}

backend/internal/db/query.sql.go

@@ -0,0 +1,28 @@
+// Code generated by sqlc. DO NOT EDIT.
+// versions:
+//   sqlc v1.30.0
+// source: query.sql
+
+package db
+
+import (
+	"context"
+)
+
+const createFoodItem = `-- name: CreateFoodItem :one
+INSERT INTO food_items(title, description)
+VALUES ($1, $2)
+RETURNING guid, title, description
+`
+
+type CreateFoodItemParams struct {
+	Title       string
+	Description string
+}
+
+func (q *Queries) CreateFoodItem(ctx context.Context, arg CreateFoodItemParams) (FoodItem, error) {
+	row := q.db.QueryRow(ctx, createFoodItem, arg.Title, arg.Description)
+	var i FoodItem
+	err := row.Scan(&i.Guid, &i.Title, &i.Description)
+	return i, err
+}