package domain import "time" type CoverageArea struct { ID string `gorm:"primaryKey;type:uuid;default:uuid_generate_v4()" json:"id"` Province string `gorm:"not null" json:"province"` CreatedAt time.Time `gorm:"default:current_timestamp" json:"createdAt"` UpdatedAt time.Time `gorm:"default:current_timestamp" json:"updatedAt"` CoverageDistrics []CoverageDistric `gorm:"foreignKey:CoverageAreaID" json:"coverage_districs"` } type CoverageDistric struct { ID string `gorm:"primaryKey;type:uuid;default:uuid_generate_v4()" json:"id"` CoverageAreaID string `gorm:"not null;constraint:OnDelete:CASCADE;OnUpdate:CASCADE;" json:"coverage_area_id"` District string `gorm:"not null" json:"district"` CreatedAt time.Time `gorm:"default:current_timestamp" json:"createdAt"` UpdatedAt time.Time `gorm:"default:current_timestamp" json:"updatedAt"` CoverageSubdistricts []CoverageSubdistrict `gorm:"foreignKey:CoverageDistrictId" json:"subdistricts"` } type CoverageSubdistrict struct { ID string `gorm:"primaryKey;type:uuid;default:uuid_generate_v4()" json:"id"` CoverageAreaID string `gorm:"not null" json:"coverage_area_id"` CoverageDistrictId string `gorm:"not null;constraint:OnDelete:CASCADE;OnUpdate:CASCADE;" json:"coverage_district_id"` Subdistrict string `gorm:"not null" json:"subdistrict"` CreatedAt time.Time `gorm:"default:current_timestamp" json:"createdAt"` UpdatedAt time.Time `gorm:"default:current_timestamp" json:"updatedAt"` }