Add service package and implement GetUserByEmail method

internal/service/service.go

@@ -0,0 +1,18 @@
+package service
+
+import (
+	"github.com/eduardolat/pgbackweb/internal/database/dbgen"
+	"github.com/eduardolat/pgbackweb/internal/service/users"
+)
+
+type Service struct {
+	UsersService *users.Service
+}
+
+func New(dbgen *dbgen.Queries) *Service {
+	usersService := users.New(dbgen)
+
+	return &Service{
+		UsersService: usersService,
+	}
+}

internal/service/users/get_user_by_email.go

@@ -0,0 +1,13 @@
+package users
+
+import (
+	"context"
+
+	"github.com/eduardolat/pgbackweb/internal/database/dbgen"
+)
+
+func (s *Service) GetUserByEmail(
+	ctx context.Context, email string,
+) (dbgen.User, error) {
+	return s.dbgen.UsersServiceGetUserByEmail(ctx, email)
+}

internal/service/users/get_user_by_email.sql

@@ -0,0 +1,2 @@
+-- name: UsersServiceGetUserByEmail :one
+SELECT * FROM users WHERE email = @email;

internal/service/users/users.go

@@ -0,0 +1,13 @@
+package users
+
+import "github.com/eduardolat/pgbackweb/internal/database/dbgen"
+
+type Service struct {
+	dbgen *dbgen.Queries
+}
+
+func New(dbgen *dbgen.Queries) *Service {
+	return &Service{
+		dbgen: dbgen,
+	}
+}