import { SelectQueryBuilder } from '../query-builder/SelectQueryBuilder';

/**
 * Arguments for RelationCountMetadata class.
 */
export interface RelationCountMetadataArgs {
	/**
	 * Class to which this decorator is applied.
	 */
	readonly target: Function;

	/**
	 * Class's property name to which this decorator is applied.
	 */
	readonly propertyName: string;

	/**
	 * Target's relation which it should count.
	 */
	readonly relation: string | ((object: any) => any);

	/**
	 * Alias of the joined (destination) table.
	 */
	readonly alias?: string;

	/**
	 * Extra condition applied to "ON" section of join.
	 */
	readonly queryBuilderFactory?: (qb: SelectQueryBuilder<any>) => SelectQueryBuilder<any>;
}