@directus/api/dist/services/graphql/resolvers/get-relation-type.js

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

import { getGraphQLType } from "../../../utils/get-graphql-type.js";
import { GraphQLNonNull, GraphQLString } from "graphql";

//#region src/services/graphql/resolvers/get-relation-type.ts
function getRelationType(schemaComposer, schema, action) {
	const prefix = action === "read" ? "" : "write_";
	const Relation = schemaComposer.createObjectTC({ name: `${prefix}directus_relations` });
	if ("directus_relations" in schema.read.collections === false) return Relation;
	Relation.addFields({
		collection: GraphQLString,
		field: GraphQLString,
		related_collection: GraphQLString,
		schema: schemaComposer.createObjectTC({
			name: `${prefix}directus_relations_schema`,
			fields: {
				table: new GraphQLNonNull(GraphQLString),
				column: new GraphQLNonNull(GraphQLString),
				foreign_key_table: new GraphQLNonNull(GraphQLString),
				foreign_key_column: new GraphQLNonNull(GraphQLString),
				constraint_name: GraphQLString,
				on_update: new GraphQLNonNull(GraphQLString),
				on_delete: new GraphQLNonNull(GraphQLString)
			}
		}),
		meta: schemaComposer.createObjectTC({
			name: `${prefix}directus_relations_meta`,
			fields: Object.values(schema.read.collections["directus_relations"].fields).reduce((acc, field) => {
				acc[field.field] = {
					type: getGraphQLType(field.type, field.special),
					description: field.note
				};
				return acc;
			}, {})
		})
	});
	return Relation;
}

//#endregion
export { getRelationType };