@directus/api/dist/services/graphql/utils/filter-replace-m2a.js

Directus is a real-time API and App dashboard for managing SQL database content

import { getRelation, getRelationType } from "@directus/utils";

//#region src/services/graphql/utils/filter-replace-m2a.ts
function filterReplaceM2A(filter_arg, collection, schema, options) {
	const filter = filter_arg;
	for (const key in filter) {
		const parts = key.split("__");
		let field = parts[0];
		const any_collection = parts[1];
		if (!field) continue;
		field = options?.aliasMap?.[field] ?? field;
		const relation = getRelation(schema.relations, collection, field);
		const type = relation ? getRelationType({
			relation,
			collection,
			field,
			useA2O: true
		}) : null;
		if (type === "o2m" && relation) filter[key] = filterReplaceM2A(filter[key], relation.collection, schema, options);
		else if (type === "m2o" && relation) filter[key] = filterReplaceM2A(filter[key], relation.related_collection, schema, options);
		else if (type === "a2o" && relation && any_collection && relation.meta?.one_allowed_collections?.includes(any_collection)) {
			filter[`${field}:${any_collection}`] = filterReplaceM2A(filter[key], any_collection, schema, options);
			delete filter[key];
		} else if (Array.isArray(filter[key])) filter[key] = filter[key].map((item) => filterReplaceM2A(item, collection, schema, options));
		else if (typeof filter[key] === "object") filter[key] = filterReplaceM2A(filter[key], collection, schema, options);
	}
	return filter;
}
function filterReplaceM2ADeep(deep_arg, collection, schema, options) {
	const deep = deep_arg;
	for (const key in deep) {
		if (key.startsWith("_") === false) {
			const parts = key.split("__");
			let field = parts[0];
			const any_collection = parts[1];
			if (!field) continue;
			field = options?.aliasMap?.[field] || deep._alias?.[field] || field;
			const relation = getRelation(schema.relations, collection, field);
			if (!relation) continue;
			const type = getRelationType({
				relation,
				collection,
				field,
				useA2O: true
			});
			if (type === "o2m") deep[key] = filterReplaceM2ADeep(deep[key], relation.collection, schema);
			else if (type === "m2o") deep[key] = filterReplaceM2ADeep(deep[key], relation.related_collection, schema);
			else if (type === "a2o" && any_collection && relation.meta?.one_allowed_collections?.includes(any_collection)) {
				deep[`${field}:${any_collection}`] = filterReplaceM2ADeep(deep[key], any_collection, schema);
				delete deep[key];
			}
		}
		if (key === "_filter") deep[key] = filterReplaceM2A(deep[key], collection, schema);
	}
	return deep;
}

//#endregion
export { filterReplaceM2A, filterReplaceM2ADeep };