Add License Integration

internal/entity/license.go

@@ -93,3 +93,29 @@ func (o *LicenseDB) ToUpdatedLicense(updatedBy int64, req License) {
 		o.SerialNumber = req.SerialNumber
 	}
 }
+
+type PartnerLicense struct {
+	PartnerID     int64  `json:"partner_id"`
+	LicenseStatus string `json:"license_status"`
+	DaysToExpire  int64  `json:"days_to_expire"`
+}
+
+func (l *LicenseDB) ToPartnerLicense() PartnerLicense {
+	now := time.Now()
+	daysToExpire := int64(l.EndDate.Sub(now).Hours() / 24)
+
+	var licenseStatus string
+	if daysToExpire < 0 {
+		licenseStatus = "EXPIRED"
+	} else if daysToExpire <= 30 {
+		licenseStatus = "EXPIRING_SOON"
+	} else {
+		licenseStatus = "ACTIVE"
+	}
+
+	return PartnerLicense{
+		PartnerID:     l.PartnerID,
+		DaysToExpire:  daysToExpire,
+		LicenseStatus: licenseStatus,
+	}
+}