feat: login service and implement database storage

internal/accessor/module.go

@@ -0,0 +1,10 @@
+package repository
+
+import (
+	staffrepository "github.com/ardeman/project-legalgo-go/internal/accessor/staff"
+	"go.uber.org/fx"
+)
+
+var Module = fx.Module("repository", fx.Provide(
+	staffrepository.New,
+))

internal/accessor/staff/get_staff.go

@@ -0,0 +1,25 @@
+package staffrepository
+
+import (
+	"errors"
+
+	staffmodel "github.com/ardeman/project-legalgo-go/database/staff"
+	"gorm.io/gorm"
+)
+
+func (sr *StaffRepository) GetStaff(email string) (*staffmodel.Staff, error) {
+	var staff staffmodel.Staff
+
+	if email == "" {
+		return nil, errors.New("email is empty")
+	}
+
+	if err := sr.DB.Where("email = ?", email).First(&staff).Error; err != nil {
+		if errors.Is(err, gorm.ErrRecordNotFound) {
+			return nil, errors.New("staff not found")
+		}
+		return nil, err
+	}
+
+	return &staff, nil
+}

internal/accessor/staff/impl.go

@@ -0,0 +1,18 @@
+package staffrepository
+
+import (
+	"github.com/ardeman/project-legalgo-go/database"
+	staffmodel "github.com/ardeman/project-legalgo-go/database/staff"
+)
+
+type StaffRepository struct {
+	DB *database.DB
+}
+
+type StaffInterface interface {
+	GetStaff(string) (*staffmodel.Staff, error)
+}
+
+func New(db *database.DB) StaffInterface {
+	return &StaffRepository{db}
+}