1 files changed, 53 insertions, 0 deletions
diff --git a/src/server/api/endpoints/following/create.ts b/src/server/api/endpoints/following/create.ts
new file mode 100644
index 0000000000..27e5eb31db
--- /dev/null
+++ b/src/server/api/endpoints/following/create.ts
@@ -0,0 +1,53 @@
+/**
+ * Module dependencies
+ */
+import $ from 'cafy';
+import User from '../../../../models/user';
+import Following from '../../../../models/following';
+import create from '../../../../services/following/create';
+
+/**
+ * Follow a user
+ */
+module.exports = (params, user) => new Promise(async (res, rej) => {
+	const follower = user;
+
+	// Get 'userId' parameter
+	const [userId, userIdErr] = $(params.userId).id().$;
+	if (userIdErr) return rej('invalid userId param');
+
+	// 自分自身
+	if (user._id.equals(userId)) {
+		return rej('followee is yourself');
+	}
+
+	// Get followee
+	const followee = await User.findOne({
+		_id: userId
+	}, {
+		fields: {
+			data: false,
+			profile: false
+		}
+	});
+
+	if (followee === null) {
+		return rej('user not found');
+	}
+
+	// Check if already following
+	const exist = await Following.findOne({
+		followerId: follower._id,
+		followeeId: followee._id
+	});
+
+	if (exist !== null) {
+		return rej('already following');
+	}
+
+	// Create following
+	create(follower, followee);
+
+	// Send response
+	res();
+});