Initial commit :four_leaf_clover:

4 files changed, 349 insertions, 0 deletions

diff --git a/src/api/endpoints/aggregation/users/followers.js b/src/api/endpoints/aggregation/users/followers.js
new file mode 100644
index 0000000000..16dda09675
--- /dev/null
+++ b/src/api/endpoints/aggregation/users/followers.js
@@ -0,0 +1,77 @@
+'use strict';
+
+/**
+ * Module dependencies
+ */
+import * as mongo from 'mongodb';
+import User from '../../../models/user';
+import Following from '../../../models/following';
+
+/**
+ * Aggregate followers of a user
+ *
+ * @param {Object} params
+ * @return {Promise<object>}
+ */
+module.exports = (params) =>
+	new Promise(async (res, rej) =>
+{
+	// Get 'user_id' parameter
+	const userId = params.user_id;
+	if (userId === undefined || userId === null) {
+		return rej('user_id is required');
+	}
+
+	// Lookup user
+	const user = await User.findOne({
+		_id: new mongo.ObjectID(userId)
+	});
+
+	if (user === null) {
+		return rej('user not found');
+	}
+
+	const startTime = new Date(new Date().setMonth(new Date().getMonth() - 1));
+
+	const following = await Following
+		.find({
+			followee_id: user._id,
+			$or: [
+				{ deleted_at: { $exists: false } },
+				{ deleted_at: { $gt: startTime } }
+			]
+		}, {
+			_id: false,
+			follower_id: false,
+			followee_id: false
+		}, {
+			sort: { created_at: -1 }
+		})
+		.toArray();
+
+	const graph = [];
+
+	for (let i = 0; i < 30; i++) {
+		let day = new Date(new Date().setDate(new Date().getDate() - i));
+		day = new Date(day.setMilliseconds(999));
+		day = new Date(day.setSeconds(59));
+		day = new Date(day.setMinutes(59));
+		day = new Date(day.setHours(23));
+		// day = day.getTime();
+
+		const count = following.filter(f =>
+			f.created_at < day && (f.deleted_at == null || f.deleted_at > day)
+		).length;
+
+		graph.push({
+			date: {
+				year: day.getFullYear(),
+				month: day.getMonth() + 1, // In JavaScript, month is zero-based.
+				day: day.getDate()
+			},
+			count: count
+		});
+	}
+
+	res(graph);
+});
diff --git a/src/api/endpoints/aggregation/users/following.js b/src/api/endpoints/aggregation/users/following.js
new file mode 100644
index 0000000000..7b7448d715
--- /dev/null
+++ b/src/api/endpoints/aggregation/users/following.js
@@ -0,0 +1,76 @@
+'use strict';
+
+/**
+ * Module dependencies
+ */
+import * as mongo from 'mongodb';
+import User from '../../../models/user';
+import Following from '../../../models/following';
+
+/**
+ * Aggregate following of a user
+ *
+ * @param {Object} params
+ * @return {Promise<object>}
+ */
+module.exports = (params) =>
+	new Promise(async (res, rej) =>
+{
+	// Get 'user_id' parameter
+	const userId = params.user_id;
+	if (userId === undefined || userId === null) {
+		return rej('user_id is required');
+	}
+
+	// Lookup user
+	const user = await User.findOne({
+		_id: new mongo.ObjectID(userId)
+	});
+
+	if (user === null) {
+		return rej('user not found');
+	}
+
+	const startTime = new Date(new Date().setMonth(new Date().getMonth() - 1));
+
+	const following = await Following
+		.find({
+			follower_id: user._id,
+			$or: [
+				{ deleted_at: { $exists: false } },
+				{ deleted_at: { $gt: startTime } }
+			]
+		}, {
+			_id: false,
+			follower_id: false,
+			followee_id: false
+		}, {
+			sort: { created_at: -1 }
+		})
+		.toArray();
+
+	const graph = [];
+
+	for (let i = 0; i < 30; i++) {
+		let day = new Date(new Date().setDate(new Date().getDate() - i));
+		day = new Date(day.setMilliseconds(999));
+		day = new Date(day.setSeconds(59));
+		day = new Date(day.setMinutes(59));
+		day = new Date(day.setHours(23));
+
+		const count = following.filter(f =>
+			f.created_at < day && (f.deleted_at == null || f.deleted_at > day)
+		).length;
+
+		graph.push({
+			date: {
+				year: day.getFullYear(),
+				month: day.getMonth() + 1, // In JavaScript, month is zero-based.
+				day: day.getDate()
+			},
+			count: count
+		});
+	}
+
+	res(graph);
+});
diff --git a/src/api/endpoints/aggregation/users/like.js b/src/api/endpoints/aggregation/users/like.js
new file mode 100644
index 0000000000..830f1f1bba
--- /dev/null
+++ b/src/api/endpoints/aggregation/users/like.js
@@ -0,0 +1,83 @@
+'use strict';
+
+/**
+ * Module dependencies
+ */
+import * as mongo from 'mongodb';
+import User from '../../../models/user';
+import Like from '../../../models/like';
+
+/**
+ * Aggregate like of a user
+ *
+ * @param {Object} params
+ * @return {Promise<object>}
+ */
+module.exports = (params) =>
+	new Promise(async (res, rej) =>
+{
+	// Get 'user_id' parameter
+	const userId = params.user_id;
+	if (userId === undefined || userId === null) {
+		return rej('user_id is required');
+	}
+
+	// Lookup user
+	const user = await User.findOne({
+		_id: new mongo.ObjectID(userId)
+	});
+
+	if (user === null) {
+		return rej('user not found');
+	}
+
+	const datas = await Like
+		.aggregate([
+			{ $match: { user_id: user._id } },
+			{ $project: {
+				created_at: { $add: ['$created_at', 9 * 60 * 60 * 1000] } // Convert into JST
+			}},
+			{ $project: {
+				date: {
+					year: { $year: '$created_at' },
+					month: { $month: '$created_at' },
+					day: { $dayOfMonth: '$created_at' }
+				}
+			}},
+			{ $group: {
+				_id: '$date',
+				count: { $sum: 1 }
+			}}
+		])
+		.toArray();
+
+	datas.forEach(data => {
+		data.date = data._id;
+		delete data._id;
+	});
+
+	const graph = [];
+
+	for (let i = 0; i < 30; i++) {
+		let day = new Date(new Date().setDate(new Date().getDate() - i));
+
+		const data = datas.filter(d =>
+			d.date.year == day.getFullYear() && d.date.month == day.getMonth() + 1 && d.date.day == day.getDate()
+		)[0];
+
+		if (data) {
+			graph.push(data)
+		} else {
+			graph.push({
+				date: {
+					year: day.getFullYear(),
+					month: day.getMonth() + 1, // In JavaScript, month is zero-based.
+					day: day.getDate()
+				},
+				count: 0
+			})
+		};
+	}
+
+	res(graph);
+});
diff --git a/src/api/endpoints/aggregation/users/post.js b/src/api/endpoints/aggregation/users/post.js
new file mode 100644
index 0000000000..d75df30f5d
--- /dev/null
+++ b/src/api/endpoints/aggregation/users/post.js
@@ -0,0 +1,113 @@
+'use strict';
+
+/**
+ * Module dependencies
+ */
+import * as mongo from 'mongodb';
+import User from '../../../models/user';
+import Post from '../../../models/post';
+
+/**
+ * Aggregate post of a user
+ *
+ * @param {Object} params
+ * @return {Promise<object>}
+ */
+module.exports = (params) =>
+	new Promise(async (res, rej) =>
+{
+	// Get 'user_id' parameter
+	const userId = params.user_id;
+	if (userId === undefined || userId === null) {
+		return rej('user_id is required');
+	}
+
+	// Lookup user
+	const user = await User.findOne({
+		_id: new mongo.ObjectID(userId)
+	});
+
+	if (user === null) {
+		return rej('user not found');
+	}
+
+	const datas = await Post
+		.aggregate([
+			{ $match: { user_id: user._id } },
+			{ $project: {
+				repost_id: '$repost_id',
+				reply_to_id: '$reply_to_id',
+				created_at: { $add: ['$created_at', 9 * 60 * 60 * 1000] } // Convert into JST
+			}},
+			{ $project: {
+				date: {
+					year: { $year: '$created_at' },
+					month: { $month: '$created_at' },
+					day: { $dayOfMonth: '$created_at' }
+				},
+				type: {
+					$cond: {
+						if: { $ne: ['$repost_id', null] },
+						then: 'repost',
+						else: {
+							$cond: {
+								if: { $ne: ['$reply_to_id', null] },
+								then: 'reply',
+								else: 'post'
+							}
+						}
+					}
+				}}
+			},
+			{ $group: { _id: {
+				date: '$date',
+				type: '$type'
+			}, count: { $sum: 1 } } },
+			{ $group: {
+				_id: '$_id.date',
+				data: { $addToSet: {
+					type: '$_id.type',
+					count: '$count'
+				}}
+			} }
+		])
+		.toArray();
+
+	datas.forEach(data => {
+		data.date = data._id;
+		delete data._id;
+
+		data.posts = (data.data.filter(x => x.type == 'post')[0] || { count: 0 }).count;
+		data.reposts = (data.data.filter(x => x.type == 'repost')[0] || { count: 0 }).count;
+		data.replies = (data.data.filter(x => x.type == 'reply')[0] || { count: 0 }).count;
+
+		delete data.data;
+	});
+
+	const graph = [];
+
+	for (let i = 0; i < 30; i++) {
+		let day = new Date(new Date().setDate(new Date().getDate() - i));
+
+		const data = datas.filter(d =>
+			d.date.year == day.getFullYear() && d.date.month == day.getMonth() + 1 && d.date.day == day.getDate()
+		)[0];
+
+		if (data) {
+			graph.push(data)
+		} else {
+			graph.push({
+				date: {
+					year: day.getFullYear(),
+					month: day.getMonth() + 1, // In JavaScript, month is zero-based.
+					day: day.getDate()
+				},
+				posts: 0,
+				reposts: 0,
+				replies: 0
+			})
+		};
+	}
+
+	res(graph);
+});