feat(database): added user

pkg/database/user.go

@@ -0,0 +1,79 @@
+package database
+
+import (
+	"context"
+	"errors"
+	otterError "git.anthrove.art/Anthrove/otter-space-sdk/v2/pkg/error"
+	"git.anthrove.art/Anthrove/otter-space-sdk/v2/pkg/models"
+	"gorm.io/gorm"
+)
+
+func CreateUser(ctx context.Context, id models.UserID) (models.User, error) {
+	if client == nil {
+		return models.User{}, &otterError.Database{Reason: otterError.DatabaseIsNotConnected}
+	}
+
+	user := models.User{
+		BaseModel: models.BaseModel[models.UserID]{
+			ID: id,
+		},
+	}
+
+	result := client.WithContext(ctx).Create(&user)
+	if result.Error != nil {
+		if errors.Is(result.Error, gorm.ErrDuplicatedKey) {
+			return models.User{}, &otterError.Database{Reason: otterError.DuplicateKey}
+		}
+		return models.User{}, result.Error
+	}
+
+	return user, nil
+}
+
+func GetUserByID(ctx context.Context, id models.UserID) (models.User, error) {
+	var user models.User
+
+	if client == nil {
+		return models.User{}, &otterError.Database{Reason: otterError.DatabaseIsNotConnected}
+	}
+
+	if len(id) == 0 {
+		return models.User{}, &otterError.EntityValidationFailed{Reason: otterError.UserIDIsEmpty}
+	}
+
+	if len(id) != 25 {
+		return models.User{}, &otterError.EntityValidationFailed{Reason: otterError.UserIDToShort}
+	}
+
+	result := client.WithContext(ctx).First(&user, "id = ?", id)
+	if result.Error != nil {
+		if errors.Is(result.Error, gorm.ErrRecordNotFound) {
+			return models.User{}, &otterError.Database{Reason: otterError.NoDataFound}
+		}
+		return models.User{}, result.Error
+	}
+
+	return user, nil
+}
+
+func DeleteUser(ctx context.Context, id models.UserID) error {
+	var user models.User
+
+	if client == nil {
+		return &otterError.Database{Reason: otterError.DatabaseIsNotConnected}
+	}
+
+	if len(id) == 0 {
+		return &otterError.EntityValidationFailed{Reason: otterError.UserIDIsEmpty}
+	}
+
+	result := client.WithContext(ctx).Delete(&user, id)
+	if result.Error != nil {
+		if errors.Is(result.Error, gorm.ErrRecordNotFound) {
+			return &otterError.Database{Reason: otterError.NoDataFound}
+		}
+		return result.Error
+	}
+
+	return nil
+}