Initial commit 🍀

src/api/endpoints/drive/stream.js

@@ -0,0 +1,85 @@
+'use strict';
+
+/**
+ * Module dependencies
+ */
+import * as mongo from 'mongodb';
+import DriveFile from '../../models/drive-file';
+import serialize from '../../serializers/drive-file';
+
+/**
+ * Get drive stream
+ *
+ * @param {Object} params
+ * @param {Object} user
+ * @return {Promise<object>}
+ */
+module.exports = (params, user) =>
+	new Promise(async (res, rej) =>
+{
+	// Get 'limit' parameter
+	let limit = params.limit;
+	if (limit !== undefined && limit !== null) {
+		limit = parseInt(limit, 10);
+
+		// From 1 to 100
+		if (!(1 <= limit && limit <= 100)) {
+			return rej('invalid limit range');
+		}
+	} else {
+		limit = 10;
+	}
+
+	const since = params.since_id || null;
+	const max = params.max_id || null;
+
+	// Check if both of since_id and max_id is specified
+	if (since !== null && max !== null) {
+		return rej('cannot set since_id and max_id');
+	}
+
+	// Get 'type' parameter
+	let type = params.type;
+	if (type === undefined || type === null) {
+		type = null;
+	} else if (!/^[a-zA-Z\/\-\*]+$/.test(type)) {
+		return rej('invalid type format');
+	} else {
+		type = new RegExp(`^${type.replace(/\*/g, '.+?')}$`);
+	}
+
+	// Construct query
+	const sort = {
+		created_at: -1
+	};
+	const query = {
+		user_id: user._id
+	};
+	if (since !== null) {
+		sort.created_at = 1;
+		query._id = {
+			$gt: new mongo.ObjectID(since)
+		};
+	} else if (max !== null) {
+		query._id = {
+			$lt: new mongo.ObjectID(max)
+		};
+	}
+	if (type !== null) {
+		query.type = type;
+	}
+
+	// Issue query
+	const files = await DriveFile
+		.find(query, {
+			data: false
+		}, {
+			limit: limit,
+			sort: sort
+		})
+		.toArray();
+
+	// Serialize
+	res(await Promise.all(files.map(async file =>
+		await serialize(file))));
+});