Introduce processor

src/server/api/endpoints/drive/files.ts

@@ -0,0 +1,73 @@
+/**
+ * Module dependencies
+ */
+import $ from 'cafy';
+import DriveFile, { pack } from '../../models/drive-file';
+
+/**
+ * Get drive files
+ *
+ * @param {any} params
+ * @param {any} user
+ * @param {any} app
+ * @return {Promise<any>}
+ */
+module.exports = async (params, user, app) => {
+	// Get 'limit' parameter
+	const [limit = 10, limitErr] = $(params.limit).optional.number().range(1, 100).$;
+	if (limitErr) throw 'invalid limit param';
+
+	// Get 'since_id' parameter
+	const [sinceId, sinceIdErr] = $(params.since_id).optional.id().$;
+	if (sinceIdErr) throw 'invalid since_id param';
+
+	// Get 'until_id' parameter
+	const [untilId, untilIdErr] = $(params.until_id).optional.id().$;
+	if (untilIdErr) throw 'invalid until_id param';
+
+	// Check if both of since_id and until_id is specified
+	if (sinceId && untilId) {
+		throw 'cannot set since_id and until_id';
+	}
+
+	// Get 'folder_id' parameter
+	const [folderId = null, folderIdErr] = $(params.folder_id).optional.nullable.id().$;
+	if (folderIdErr) throw 'invalid folder_id param';
+
+	// Get 'type' parameter
+	const [type, typeErr] = $(params.type).optional.string().match(/^[a-zA-Z\/\-\*]+$/).$;
+	if (typeErr) throw 'invalid type param';
+
+	// Construct query
+	const sort = {
+		_id: -1
+	};
+	const query = {
+		'metadata.user_id': user._id,
+		'metadata.folder_id': folderId
+	} as any;
+	if (sinceId) {
+		sort._id = 1;
+		query._id = {
+			$gt: sinceId
+		};
+	} else if (untilId) {
+		query._id = {
+			$lt: untilId
+		};
+	}
+	if (type) {
+		query.contentType = new RegExp(`^${type.replace(/\*/g, '.+?')}$`);
+	}
+
+	// Issue query
+	const files = await DriveFile
+		.find(query, {
+			limit: limit,
+			sort: sort
+		});
+
+	// Serialize
+	const _files = await Promise.all(files.map(file => pack(file)));
+	return _files;
+};