Method deleteOne

api/src/services/collections.ts:634–813

* Delete a single collection This will delete the table and all records within. It'll also * delete any fields, presets, activity, revisions, and permissions relating to this collection

(collectionKey: string, opts?: MutationOptions)

	 * delete any fields, presets, activity, revisions, and permissions relating to this collection
	 */
	async deleteOne(collectionKey: string, opts?: MutationOptions): Promise<string> {
		if (this.accountability && this.accountability.admin !== true) {
			throw new ForbiddenError();
		}

		const nestedActionEvents: ActionEventParams[] = [];

		try {
			const collections = await this.readByQuery();

			const collectionToBeDeleted = collections.find((collection) => collection.collection === collectionKey);

			if (!!collectionToBeDeleted === false) {
				throw new ForbiddenError();
			}

			await transaction(this.knex, async (trx) => {
				if (collectionToBeDeleted!.schema) {
					await trx.schema.dropTable(collectionKey);
				}

				// Make sure this collection isn't used as a group in any other collections
				await trx('directus_collections').update({ group: null }).where({ group: collectionKey });

				if (collectionToBeDeleted!.meta) {
					const collectionsItemsService = new ItemsService('directus_collections', {
						knex: trx,
						accountability: this.accountability,
						schema: this.schema,
					});

					await collectionsItemsService.deleteOne(collectionKey, {
						bypassEmitAction: (params) =>
							opts?.bypassEmitAction ? opts.bypassEmitAction(params) : nestedActionEvents.push(params),
					});
				}

				if (collectionToBeDeleted!.schema) {
					const fieldsService = new FieldsService({
						knex: trx,
						accountability: this.accountability,
						schema: this.schema,
					});

					const fieldItemsService = new ItemsService('directus_fields', {
						knex: trx,
						accountability: this.accountability,
						schema: this.schema,
					});

					await fieldItemsService.deleteByQuery(
						{
							filter: {
								collection: { _eq: collectionKey },
							},
						},
						{
							bypassEmitAction: (params) =>