From 7b6e55047f0bdf02ba0cafd5b90147737a75b556 Mon Sep 17 00:00:00 2001
From: syuilo <syuilotan@yahoo.co.jp>
Date: Sat, 25 Aug 2018 08:35:41 +0900
Subject: [PATCH] #2460

---
 .../desktop/views/pages/admin/admin.chart.vue | 206 +++++++++++++++---
 src/models/stats.ts                           | 106 ++++++---
 src/server/api/endpoints/chart.ts             |  77 +++++--
 src/services/update-chart.ts                  |  88 +++++---
 4 files changed, 374 insertions(+), 103 deletions(-)

diff --git a/src/client/app/desktop/views/pages/admin/admin.chart.vue b/src/client/app/desktop/views/pages/admin/admin.chart.vue
index 89e61d4c74..4310ce03d6 100644
--- a/src/client/app/desktop/views/pages/admin/admin.chart.vue
+++ b/src/client/app/desktop/views/pages/admin/admin.chart.vue
@@ -55,10 +55,10 @@ export default Vue.extend({
 				case 'local-notes': return this.notesChart('local');
 				case 'remote-notes': return this.notesChart('remote');
 				case 'notes-total': return this.notesTotalChart();
-				case 'drive': return this.driveChart(false);
-				case 'drive-total': return this.driveChart(true);
-				case 'drive-files': return this.driveFilesChart(false);
-				case 'drive-files-total': return this.driveFilesChart(true);
+				case 'drive': return this.driveChart();
+				case 'drive-total': return this.driveTotalChart();
+				case 'drive-files': return this.driveFilesChart();
+				case 'drive-files-total': return this.driveFilesTotalChart();
 			}
 		},
 		stats(): any[] {
@@ -81,7 +81,7 @@ export default Vue.extend({
 				normal: type == 'local' ? x.notes.local.diffs.normal : type == 'remote' ? x.notes.remote.diffs.normal : x.notes.local.diffs.normal + x.notes.remote.diffs.normal,
 				reply: type == 'local' ? x.notes.local.diffs.reply : type == 'remote' ? x.notes.remote.diffs.reply : x.notes.local.diffs.reply + x.notes.remote.diffs.reply,
 				renote: type == 'local' ? x.notes.local.diffs.renote : type == 'remote' ? x.notes.remote.diffs.renote : x.notes.local.diffs.renote + x.notes.remote.diffs.renote,
-				all: type == 'local' ? x.notes.local.diff : type == 'remote' ? x.notes.remote.diff : x.notes.local.diff + x.notes.remote.diff
+				all: type == 'local' ? (x.notes.local.inc + -x.notes.local.dec) : type == 'remote' ? (x.notes.remote.inc + -x.notes.remote.dec) : (x.notes.local.inc + -x.notes.local.dec) + (x.notes.remote.inc + -x.notes.remote.dec)
 			}));
 
 			return [{
@@ -152,7 +152,7 @@ export default Vue.extend({
 
 			return [{
 				datasets: [{
-					label: 'Notes',
+					label: 'Combined',
 					fill: false,
 					borderColor: '#555',
 					borderWidth: 2,
@@ -161,7 +161,7 @@ export default Vue.extend({
 					lineTension: 0,
 					data: data.map(x => ({ t: x.date, y: x.remoteCount + x.localCount }))
 				}, {
-					label: 'Remote Notes',
+					label: 'Remote',
 					fill: true,
 					backgroundColor: 'rgba(65, 221, 222, 0.1)',
 					borderColor: '#41ddde',
@@ -170,7 +170,7 @@ export default Vue.extend({
 					lineTension: 0,
 					data: data.map(x => ({ t: x.date, y: x.remoteCount }))
 				}, {
-					label: 'Local Notes',
+					label: 'Local',
 					fill: true,
 					backgroundColor: 'rgba(246, 88, 79, 0.1)',
 					borderColor: '#f6584f',
@@ -203,13 +203,13 @@ export default Vue.extend({
 		usersChart(total: boolean): any {
 			const data = this.stats.slice().reverse().map(x => ({
 				date: new Date(x.date),
-				localCount: total ? x.users.local.total : x.users.local.diff,
-				remoteCount: total ? x.users.remote.total : x.users.remote.diff
+				localCount: total ? x.users.local.total : (x.users.local.inc + -x.users.local.dec),
+				remoteCount: total ? x.users.remote.total : (x.users.remote.inc + -x.users.remote.dec)
 			}));
 
 			return [{
 				datasets: [{
-					label: 'Users',
+					label: 'Combined',
 					fill: false,
 					borderColor: '#555',
 					borderWidth: 2,
@@ -218,7 +218,7 @@ export default Vue.extend({
 					lineTension: 0,
 					data: data.map(x => ({ t: x.date, y: x.remoteCount + x.localCount }))
 				}, {
-					label: 'Remote Users',
+					label: 'Remote',
 					fill: true,
 					backgroundColor: 'rgba(65, 221, 222, 0.1)',
 					borderColor: '#41ddde',
@@ -227,7 +227,7 @@ export default Vue.extend({
 					lineTension: 0,
 					data: data.map(x => ({ t: x.date, y: x.remoteCount }))
 				}, {
-					label: 'Local Users',
+					label: 'Local',
 					fill: true,
 					backgroundColor: 'rgba(246, 88, 79, 0.1)',
 					borderColor: '#f6584f',
@@ -257,16 +257,93 @@ export default Vue.extend({
 			}];
 		},
 
-		driveChart(total: boolean): any {
+		driveChart(): any {
 			const data = this.stats.slice().reverse().map(x => ({
 				date: new Date(x.date),
-				localSize: total ? x.drive.local.totalSize : x.drive.local.diffSize,
-				remoteSize: total ? x.drive.remote.totalSize : x.drive.remote.diffSize
+				localInc: x.drive.local.incSize,
+				localDec: -x.drive.local.decSize,
+				remoteInc: x.drive.remote.incSize,
+				remoteDec: -x.drive.remote.decSize,
 			}));
 
 			return [{
 				datasets: [{
-					label: 'Drive Usage',
+					label: 'All',
+					fill: false,
+					borderColor: '#555',
+					borderWidth: 2,
+					borderDash: [4, 4],
+					pointBackgroundColor: '#fff',
+					lineTension: 0,
+					data: data.map(x => ({ t: x.date, y: x.localInc + x.localDec + x.remoteInc + x.remoteDec }))
+				}, {
+					label: 'Remote +',
+					fill: true,
+					backgroundColor: 'rgba(65, 221, 222, 0.1)',
+					borderColor: '#41ddde',
+					borderWidth: 2,
+					pointBackgroundColor: '#fff',
+					lineTension: 0,
+					data: data.map(x => ({ t: x.date, y: x.remoteInc }))
+				}, {
+					label: 'Remote -',
+					fill: true,
+					backgroundColor: 'rgba(65, 221, 222, 0.1)',
+					borderColor: '#41ddde',
+					borderWidth: 2,
+					pointBackgroundColor: '#fff',
+					lineTension: 0,
+					data: data.map(x => ({ t: x.date, y: x.remoteDec }))
+				}, {
+					label: 'Local +',
+					fill: true,
+					backgroundColor: 'rgba(246, 88, 79, 0.1)',
+					borderColor: '#f6584f',
+					borderWidth: 2,
+					pointBackgroundColor: '#fff',
+					lineTension: 0,
+					data: data.map(x => ({ t: x.date, y: x.localInc }))
+				}, {
+					label: 'Local -',
+					fill: true,
+					backgroundColor: 'rgba(246, 88, 79, 0.1)',
+					borderColor: '#f6584f',
+					borderWidth: 2,
+					pointBackgroundColor: '#fff',
+					lineTension: 0,
+					data: data.map(x => ({ t: x.date, y: x.localDec }))
+				}]
+			}, {
+				scales: {
+					yAxes: [{
+						ticks: {
+							callback: value => {
+								return Vue.filter('bytes')(value);
+							}
+						}
+					}]
+				},
+				tooltips: {
+					callbacks: {
+						label: (tooltipItem, data) => {
+							const label = data.datasets[tooltipItem.datasetIndex].label || '';
+							return `${label}: ${Vue.filter('bytes')(tooltipItem.yLabel)}`;
+						}
+					}
+				}
+			}];
+		},
+
+		driveTotalChart(): any {
+			const data = this.stats.slice().reverse().map(x => ({
+				date: new Date(x.date),
+				localSize: x.drive.local.totalSize,
+				remoteSize: x.drive.remote.totalSize
+			}));
+
+			return [{
+				datasets: [{
+					label: 'Combined',
 					fill: false,
 					borderColor: '#555',
 					borderWidth: 2,
@@ -275,7 +352,7 @@ export default Vue.extend({
 					lineTension: 0,
 					data: data.map(x => ({ t: x.date, y: x.remoteSize + x.localSize }))
 				}, {
-					label: 'Remote Drive Usage',
+					label: 'Remote',
 					fill: true,
 					backgroundColor: 'rgba(65, 221, 222, 0.1)',
 					borderColor: '#41ddde',
@@ -284,7 +361,7 @@ export default Vue.extend({
 					lineTension: 0,
 					data: data.map(x => ({ t: x.date, y: x.remoteSize }))
 				}, {
-					label: 'Local Drive Usage',
+					label: 'Local',
 					fill: true,
 					backgroundColor: 'rgba(246, 88, 79, 0.1)',
 					borderColor: '#f6584f',
@@ -314,25 +391,102 @@ export default Vue.extend({
 			}];
 		},
 
-		driveFilesChart(total: boolean): any {
+		driveFilesChart(): any {
 			const data = this.stats.slice().reverse().map(x => ({
 				date: new Date(x.date),
-				localCount: total ? x.drive.local.totalCount : x.drive.local.diffCount,
-				remoteCount: total ? x.drive.remote.totalCount : x.drive.remote.diffCount
+				localInc: x.drive.local.incCount,
+				localDec: -x.drive.local.decCount,
+				remoteInc: x.drive.remote.incCount,
+				remoteDec: -x.drive.remote.decCount
 			}));
 
 			return [{
 				datasets: [{
-					label: 'Drive Files',
+					label: 'All',
 					fill: false,
 					borderColor: '#555',
 					borderWidth: 2,
 					borderDash: [4, 4],
 					pointBackgroundColor: '#fff',
 					lineTension: 0,
-					data: data.map(x => ({ t: x.date, y: x.remoteCount + x.localCount }))
+					data: data.map(x => ({ t: x.date, y: x.localInc + x.localDec + x.remoteInc + x.remoteDec }))
 				}, {
-					label: 'Remote Drive Files',
+					label: 'Remote +',
+					fill: true,
+					backgroundColor: 'rgba(65, 221, 222, 0.1)',
+					borderColor: '#41ddde',
+					borderWidth: 2,
+					pointBackgroundColor: '#fff',
+					lineTension: 0,
+					data: data.map(x => ({ t: x.date, y: x.remoteInc }))
+				}, {
+					label: 'Remote -',
+					fill: true,
+					backgroundColor: 'rgba(65, 221, 222, 0.1)',
+					borderColor: '#41ddde',
+					borderWidth: 2,
+					pointBackgroundColor: '#fff',
+					lineTension: 0,
+					data: data.map(x => ({ t: x.date, y: x.remoteDec }))
+				}, {
+					label: 'Local +',
+					fill: true,
+					backgroundColor: 'rgba(246, 88, 79, 0.1)',
+					borderColor: '#f6584f',
+					borderWidth: 2,
+					pointBackgroundColor: '#fff',
+					lineTension: 0,
+					data: data.map(x => ({ t: x.date, y: x.localInc }))
+				}, {
+					label: 'Local -',
+					fill: true,
+					backgroundColor: 'rgba(246, 88, 79, 0.1)',
+					borderColor: '#f6584f',
+					borderWidth: 2,
+					pointBackgroundColor: '#fff',
+					lineTension: 0,
+					data: data.map(x => ({ t: x.date, y: x.localDec }))
+				}]
+			}, {
+				scales: {
+					yAxes: [{
+						ticks: {
+							callback: value => {
+								return Vue.filter('number')(value);
+							}
+						}
+					}]
+				},
+				tooltips: {
+					callbacks: {
+						label: (tooltipItem, data) => {
+							const label = data.datasets[tooltipItem.datasetIndex].label || '';
+							return `${label}: ${Vue.filter('number')(tooltipItem.yLabel)}`;
+						}
+					}
+				}
+			}];
+		},
+
+		driveFilesTotalChart(): any {
+			const data = this.stats.slice().reverse().map(x => ({
+				date: new Date(x.date),
+				localCount: x.drive.local.totalCount,
+				remoteCount: x.drive.remote.totalCount,
+			}));
+
+			return [{
+				datasets: [{
+					label: 'Combined',
+					fill: false,
+					borderColor: '#555',
+					borderWidth: 2,
+					borderDash: [4, 4],
+					pointBackgroundColor: '#fff',
+					lineTension: 0,
+					data: data.map(x => ({ t: x.date, y: x.localCount + x.remoteCount }))
+				}, {
+					label: 'Remote',
 					fill: true,
 					backgroundColor: 'rgba(65, 221, 222, 0.1)',
 					borderColor: '#41ddde',
@@ -341,7 +495,7 @@ export default Vue.extend({
 					lineTension: 0,
 					data: data.map(x => ({ t: x.date, y: x.remoteCount }))
 				}, {
-					label: 'Local Drive Files',
+					label: 'Local',
 					fill: true,
 					backgroundColor: 'rgba(246, 88, 79, 0.1)',
 					borderColor: '#f6584f',
diff --git a/src/models/stats.ts b/src/models/stats.ts
index c481c3196e..3041d3852b 100644
--- a/src/models/stats.ts
+++ b/src/models/stats.ts
@@ -8,8 +8,14 @@ export default Stats;
 export interface IStats {
 	_id: mongo.ObjectID;
 
+	/**
+	 * 集計日時
+	 */
 	date: Date;
 
+	/**
+	 * 集計期間
+	 */
 	span: 'day' | 'hour';
 
 	/**
@@ -18,26 +24,36 @@ export interface IStats {
 	users: {
 		local: {
 			/**
-			 * この日時点での、ローカルのユーザーの総計
+			 * 集計期間時点での、全ユーザー数 (ローカル)
 			 */
 			total: number;
 
 			/**
-			 * ローカルのユーザー数の前日比
+			 * 増加したユーザー数 (ローカル)
 			 */
-			diff: number;
+			inc: number;
+
+			/**
+			 * 減少したユーザー数 (ローカル)
+			 */
+			dec: number;
 		};
 
 		remote: {
 			/**
-			 * この日時点での、リモートのユーザーの総計
+			 * 集計期間時点での、全ユーザー数 (リモート)
 			 */
 			total: number;
 
 			/**
-			 * リモートのユーザー数の前日比
+			 * 増加したユーザー数 (リモート)
 			 */
-			diff: number;
+			inc: number;
+
+			/**
+			 * 減少したユーザー数 (リモート)
+			 */
+			dec: number;
 		};
 	};
 
@@ -47,28 +63,33 @@ export interface IStats {
 	notes: {
 		local: {
 			/**
-			 * この日時点での、ローカルの投稿の総計
+			 * 集計期間時点での、全投稿数 (ローカル)
 			 */
 			total: number;
 
 			/**
-			 * ローカルの投稿数の前日比
+			 * 増加した投稿数 (ローカル)
 			 */
-			diff: number;
+			inc: number;
+
+			/**
+			 * 減少した投稿数 (ローカル)
+			 */
+			dec: number;
 
 			diffs: {
 				/**
-				 * ローカルの通常の投稿数の前日比
+				 * 通常の投稿数の差分 (ローカル)
 				 */
 				normal: number;
 
 				/**
-				 * ローカルのリプライの投稿数の前日比
+				 * リプライの投稿数の差分 (ローカル)
 				 */
 				reply: number;
 
 				/**
-				 * ローカルのRenoteの投稿数の前日比
+				 * Renoteの投稿数の差分 (ローカル)
 				 */
 				renote: number;
 			};
@@ -76,28 +97,33 @@ export interface IStats {
 
 		remote: {
 			/**
-			 * この日時点での、リモートの投稿の総計
+			 * 集計期間時点での、全投稿数 (リモート)
 			 */
 			total: number;
 
 			/**
-			 * リモートの投稿数の前日比
+			 * 増加した投稿数 (リモート)
 			 */
-			diff: number;
+			inc: number;
+
+			/**
+			 * 減少した投稿数 (リモート)
+			 */
+			dec: number;
 
 			diffs: {
 				/**
-				 * リモートの通常の投稿数の前日比
+				 * 通常の投稿数の差分 (リモート)
 				 */
 				normal: number;
 
 				/**
-				 * リモートのリプライの投稿数の前日比
+				 * リプライの投稿数の差分 (リモート)
 				 */
 				reply: number;
 
 				/**
-				 * リモートのRenoteの投稿数の前日比
+				 * Renoteの投稿数の差分 (リモート)
 				 */
 				renote: number;
 			};
@@ -110,46 +136,66 @@ export interface IStats {
 	drive: {
 		local: {
 			/**
-			 * この日時点での、ローカルのドライブファイル数の総計
+			 * 集計期間時点での、全ドライブファイル数 (ローカル)
 			 */
 			totalCount: number;
 
 			/**
-			 * この日時点での、ローカルのドライブファイルサイズの総計
+			 * 集計期間時点での、全ドライブファイルの合計サイズ (ローカル)
 			 */
 			totalSize: number;
 
 			/**
-			 * ローカルのドライブファイル数の前日比
+			 * 増加したドライブファイル数 (ローカル)
 			 */
-			diffCount: number;
+			incCount: number;
 
 			/**
-			 * ローカルのドライブファイルサイズの前日比
+			 * 増加したドライブ使用量 (ローカル)
 			 */
-			diffSize: number;
+			incSize: number;
+
+			/**
+			 * 減少したドライブファイル数 (ローカル)
+			 */
+			decCount: number;
+
+			/**
+			 * 減少したドライブ使用量 (ローカル)
+			 */
+			decSize: number;
 		};
 
 		remote: {
 			/**
-			 * この日時点での、リモートのドライブファイル数の総計
+			 * 集計期間時点での、全ドライブファイル数 (リモート)
 			 */
 			totalCount: number;
 
 			/**
-			 * この日時点での、リモートのドライブファイルサイズの総計
+			 * 集計期間時点での、全ドライブファイルの合計サイズ (リモート)
 			 */
 			totalSize: number;
 
 			/**
-			 * リモートのドライブファイル数の前日比
+			 * 増加したドライブファイル数 (リモート)
 			 */
-			diffCount: number;
+			incCount: number;
 
 			/**
-			 * リモートのドライブファイルサイズの前日比
+			 * 増加したドライブ使用量 (リモート)
 			 */
-			diffSize: number;
+			incSize: number;
+
+			/**
+			 * 減少したドライブファイル数 (リモート)
+			 */
+			decCount: number;
+
+			/**
+			 * 減少したドライブ使用量 (リモート)
+			 */
+			decSize: number;
 		};
 	};
 }
diff --git a/src/server/api/endpoints/chart.ts b/src/server/api/endpoints/chart.ts
index da3476f067..514bacaa84 100644
--- a/src/server/api/endpoints/chart.ts
+++ b/src/server/api/endpoints/chart.ts
@@ -2,6 +2,31 @@ import Stats, { IStats } from '../../../models/stats';
 
 type Omit<T, K extends keyof T> = Pick<T, Exclude<keyof T, K>>;
 
+function migrateStats(stats: IStats[]) {
+	stats.forEach(stat => {
+		const isOldData = stat.users.local.inc == null;
+
+		if (!isOldData) return;
+
+		stat.users.local.inc = (stat as any).users.local.diff;
+		stat.users.local.dec = 0;
+		stat.users.remote.inc = (stat as any).users.remote.diff;
+		stat.users.remote.dec = 0;
+		stat.notes.local.inc = (stat as any).notes.local.diff;
+		stat.notes.local.dec = 0;
+		stat.notes.remote.inc = (stat as any).notes.remote.diff;
+		stat.notes.remote.dec = 0;
+		stat.drive.local.incCount = (stat as any).drive.local.diffCount;
+		stat.drive.local.decCount = 0;
+		stat.drive.local.incSize = (stat as any).drive.local.diffSize;
+		stat.drive.local.decSize = 0;
+		stat.drive.remote.incCount = (stat as any).drive.remote.diffCount;
+		stat.drive.remote.decCount = 0;
+		stat.drive.remote.incSize = (stat as any).drive.remote.diffSize;
+		stat.drive.remote.decSize = 0;
+	});
+}
+
 export const meta = {
 };
 
@@ -44,6 +69,10 @@ export default (params: any) => new Promise(async (res, rej) => {
 		}),
 	]);
 
+	// 後方互換性のため
+	migrateStats(statsPerDay);
+	migrateStats(statsPerHour);
+
 	const format = (src: IStats[], span: 'day' | 'hour') => {
 		const chart: Array<Omit<Omit<IStats, '_id'>, 'span'>> = [];
 
@@ -70,17 +99,20 @@ export default (params: any) => new Promise(async (res, rej) => {
 						users: {
 							local: {
 								total: mostRecent.users.local.total,
-								diff: 0
+								inc: 0,
+								dec: 0
 							},
 							remote: {
 								total: mostRecent.users.remote.total,
-								diff: 0
+								inc: 0,
+								dec: 0
 							}
 						},
 						notes: {
 							local: {
 								total: mostRecent.notes.local.total,
-								diff: 0,
+								inc: 0,
+								dec: 0,
 								diffs: {
 									normal: 0,
 									reply: 0,
@@ -89,7 +121,8 @@ export default (params: any) => new Promise(async (res, rej) => {
 							},
 							remote: {
 								total: mostRecent.notes.remote.total,
-								diff: 0,
+								inc: 0,
+								dec: 0,
 								diffs: {
 									normal: 0,
 									reply: 0,
@@ -101,14 +134,18 @@ export default (params: any) => new Promise(async (res, rej) => {
 							local: {
 								totalCount: mostRecent.drive.local.totalCount,
 								totalSize: mostRecent.drive.local.totalSize,
-								diffCount: 0,
-								diffSize: 0
+								incCount: 0,
+								incSize: 0,
+								decCount: 0,
+								decSize: 0
 							},
 							remote: {
 								totalCount: mostRecent.drive.remote.totalCount,
 								totalSize: mostRecent.drive.remote.totalSize,
-								diffCount: 0,
-								diffSize: 0
+								incCount: 0,
+								incSize: 0,
+								decCount: 0,
+								decSize: 0
 							}
 						}
 					});
@@ -118,17 +155,20 @@ export default (params: any) => new Promise(async (res, rej) => {
 						users: {
 							local: {
 								total: 0,
-								diff: 0
+								inc: 0,
+								dec: 0
 							},
 							remote: {
 								total: 0,
-								diff: 0
+								inc: 0,
+								dec: 0
 							}
 						},
 						notes: {
 							local: {
 								total: 0,
-								diff: 0,
+								inc: 0,
+								dec: 0,
 								diffs: {
 									normal: 0,
 									reply: 0,
@@ -137,7 +177,8 @@ export default (params: any) => new Promise(async (res, rej) => {
 							},
 							remote: {
 								total: 0,
-								diff: 0,
+								inc: 0,
+								dec: 0,
 								diffs: {
 									normal: 0,
 									reply: 0,
@@ -149,14 +190,18 @@ export default (params: any) => new Promise(async (res, rej) => {
 							local: {
 								totalCount: 0,
 								totalSize: 0,
-								diffCount: 0,
-								diffSize: 0
+								incCount: 0,
+								incSize: 0,
+								decCount: 0,
+								decSize: 0
 							},
 							remote: {
 								totalCount: 0,
 								totalSize: 0,
-								diffCount: 0,
-								diffSize: 0
+								incCount: 0,
+								incSize: 0,
+								decCount: 0,
+								decSize: 0
 							}
 						}
 					});
diff --git a/src/services/update-chart.ts b/src/services/update-chart.ts
index 0a0f58bb92..1f8da6be9f 100644
--- a/src/services/update-chart.ts
+++ b/src/services/update-chart.ts
@@ -48,17 +48,20 @@ async function getCurrentStats(span: 'day' | 'hour'): Promise<IStats> {
 				users: {
 					local: {
 						total: mostRecentStats.users.local.total,
-						diff: 0
+						inc: 0,
+						dec: 0
 					},
 					remote: {
 						total: mostRecentStats.users.remote.total,
-						diff: 0
+						inc: 0,
+						dec: 0
 					}
 				},
 				notes: {
 					local: {
 						total: mostRecentStats.notes.local.total,
-						diff: 0,
+						inc: 0,
+						dec: 0,
 						diffs: {
 							normal: 0,
 							reply: 0,
@@ -67,7 +70,8 @@ async function getCurrentStats(span: 'day' | 'hour'): Promise<IStats> {
 					},
 					remote: {
 						total: mostRecentStats.notes.remote.total,
-						diff: 0,
+						inc: 0,
+						dec: 0,
 						diffs: {
 							normal: 0,
 							reply: 0,
@@ -79,14 +83,18 @@ async function getCurrentStats(span: 'day' | 'hour'): Promise<IStats> {
 					local: {
 						totalCount: mostRecentStats.drive.local.totalCount,
 						totalSize: mostRecentStats.drive.local.totalSize,
-						diffCount: 0,
-						diffSize: 0
+						incCount: 0,
+						incSize: 0,
+						decCount: 0,
+						decSize: 0
 					},
 					remote: {
 						totalCount: mostRecentStats.drive.remote.totalCount,
 						totalSize: mostRecentStats.drive.remote.totalSize,
-						diffCount: 0,
-						diffSize: 0
+						incCount: 0,
+						incSize: 0,
+						decCount: 0,
+						decSize: 0
 					}
 				}
 			};
@@ -105,17 +113,20 @@ async function getCurrentStats(span: 'day' | 'hour'): Promise<IStats> {
 				users: {
 					local: {
 						total: 0,
-						diff: 0
+						inc: 0,
+						dec: 0
 					},
 					remote: {
 						total: 0,
-						diff: 0
+						inc: 0,
+						dec: 0
 					}
 				},
 				notes: {
 					local: {
 						total: 0,
-						diff: 0,
+						inc: 0,
+						dec: 0,
 						diffs: {
 							normal: 0,
 							reply: 0,
@@ -124,7 +135,8 @@ async function getCurrentStats(span: 'day' | 'hour'): Promise<IStats> {
 					},
 					remote: {
 						total: 0,
-						diff: 0,
+						inc: 0,
+						dec: 0,
 						diffs: {
 							normal: 0,
 							reply: 0,
@@ -136,14 +148,18 @@ async function getCurrentStats(span: 'day' | 'hour'): Promise<IStats> {
 					local: {
 						totalCount: 0,
 						totalSize: 0,
-						diffCount: 0,
-						diffSize: 0
+						incCount: 0,
+						incSize: 0,
+						decCount: 0,
+						decSize: 0
 					},
 					remote: {
 						totalCount: 0,
 						totalSize: 0,
-						diffCount: 0,
-						diffSize: 0
+						incCount: 0,
+						incSize: 0,
+						decCount: 0,
+						decSize: 0
 					}
 				}
 			};
@@ -174,46 +190,56 @@ function update(inc: any) {
 }
 
 export async function updateUserStats(user: IUser, isAdditional: boolean) {
-	const amount = isAdditional ? 1 : -1;
 	const origin = isLocalUser(user) ? 'local' : 'remote';
 
 	const inc = {} as any;
-	inc[`users.${origin}.total`] = amount;
-	inc[`users.${origin}.diff`] = amount;
+	inc[`users.${origin}.total`] = isAdditional ? 1 : -1;
+	if (isAdditional) {
+		inc[`users.${origin}.inc`] = 1;
+	} else {
+		inc[`users.${origin}.dec`] = 1;
+	}
 
 	await update(inc);
 }
 
 export async function updateNoteStats(note: INote, isAdditional: boolean) {
-	const amount = isAdditional ? 1 : -1;
 	const origin = isLocalUser(note._user) ? 'local' : 'remote';
 
 	const inc = {} as any;
 
-	inc[`notes.${origin}.total`] = amount;
-	inc[`notes.${origin}.diff`] = amount;
+	inc[`notes.${origin}.total`] = isAdditional ? 1 : -1;
+
+	if (isAdditional) {
+		inc[`notes.${origin}.inc`] = 1;
+	} else {
+		inc[`notes.${origin}.dec`] = 1;
+	}
 
 	if (note.replyId != null) {
-		inc[`notes.${origin}.diffs.reply`] = amount;
+		inc[`notes.${origin}.diffs.reply`] = isAdditional ? 1 : -1;
 	} else if (note.renoteId != null) {
-		inc[`notes.${origin}.diffs.renote`] = amount;
+		inc[`notes.${origin}.diffs.renote`] = isAdditional ? 1 : -1;
 	} else {
-		inc[`notes.${origin}.diffs.normal`] = amount;
+		inc[`notes.${origin}.diffs.normal`] = isAdditional ? 1 : -1;
 	}
 
 	await update(inc);
 }
 
 export async function updateDriveStats(file: IDriveFile, isAdditional: boolean) {
-	const amount = isAdditional ? 1 : -1;
-	const size = isAdditional ? file.length : -file.length;
 	const origin = isLocalUser(file.metadata._user) ? 'local' : 'remote';
 
 	const inc = {} as any;
-	inc[`drive.${origin}.totalCount`] = amount;
-	inc[`drive.${origin}.diffCount`] = amount;
-	inc[`drive.${origin}.totalSize`] = size;
-	inc[`drive.${origin}.diffSize`] = size;
+	inc[`drive.${origin}.totalCount`] = isAdditional ? 1 : -1;
+	inc[`drive.${origin}.totalSize`] = isAdditional ? file.length : -file.length;
+	if (isAdditional) {
+		inc[`drive.${origin}.incCount`] = 1;
+		inc[`drive.${origin}.incSize`] = file.length;
+	} else {
+		inc[`drive.${origin}.decCount`] = 1;
+		inc[`drive.${origin}.decSize`] = file.length;
+	}
 
 	await update(inc);
 }