add auth module

backend/internal/db/sqlc/querier.go

@@ -12,10 +12,12 @@ import (
 
 type Querier interface {
 	CreateDelivery(ctx context.Context, arg CreateDeliveryParams) (Delivery, error)
+	CreateUser(ctx context.Context, arg CreateUserParams) (User, error)
 	DeleteDelivery(ctx context.Context, id pgtype.UUID) error
 	GetDeliveriesByDate(ctx context.Context, date pgtype.Date) ([]Delivery, error)
 	GetDeliveryByID(ctx context.Context, id pgtype.UUID) (Delivery, error)
 	GetDeliveryCount(ctx context.Context) ([]GetDeliveryCountRow, error)
+	GetUserByUsername(ctx context.Context, username string) (User, error)
 	UpdateDelivery(ctx context.Context, arg UpdateDeliveryParams) error
 	UpdateDeliveryStatus(ctx context.Context, arg UpdateDeliveryStatusParams) error
 }

backend/internal/db/sqlc/query.sql.go

@@ -57,6 +57,29 @@ func (q *Queries) CreateDelivery(ctx context.Context, arg CreateDeliveryParams)
 	return i, err
 }
 
+const createUser = `-- name: CreateUser :one
+INSERT INTO users (username, password_hash)
+VALUES ($1, $2)
+RETURNING id, username, password_hash, created_at
+`
+
+type CreateUserParams struct {
+	Username     string `db:"username" json:"username"`
+	PasswordHash string `db:"password_hash" json:"password_hash"`
+}
+
+func (q *Queries) CreateUser(ctx context.Context, arg CreateUserParams) (User, error) {
+	row := q.db.QueryRow(ctx, createUser, arg.Username, arg.PasswordHash)
+	var i User
+	err := row.Scan(
+		&i.ID,
+		&i.Username,
+		&i.PasswordHash,
+		&i.CreatedAt,
+	)
+	return i, err
+}
+
 const deleteDelivery = `-- name: DeleteDelivery :exec
 DELETE FROM deliveries WHERE id = $1
 `
@@ -156,6 +179,22 @@ func (q *Queries) GetDeliveryCount(ctx context.Context) ([]GetDeliveryCountRow,
 	return items, nil
 }
 
+const getUserByUsername = `-- name: GetUserByUsername :one
+SELECT id, username, password_hash, created_at FROM users WHERE username = $1
+`
+
+func (q *Queries) GetUserByUsername(ctx context.Context, username string) (User, error) {
+	row := q.db.QueryRow(ctx, getUserByUsername, username)
+	var i User
+	err := row.Scan(
+		&i.ID,
+		&i.Username,
+		&i.PasswordHash,
+		&i.CreatedAt,
+	)
+	return i, err
+}
+
 const updateDelivery = `-- name: UpdateDelivery :exec
 UPDATE deliveries SET date = $1, pickup_location = $2, product_name = $3, address = $4, phone = $5, additional_phone = $6, has_elevator = $7, comment = $8, updated_at = NOW() WHERE id = $9
 `