monkeeShark/src/services/update-chart.ts

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import { INote } from '../models/note';
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import Stats, { IStats } from '../models/stats';
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import { isLocalUser, IUser } from '../models/user';
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import { IDriveFile } from '../models/drive-file';
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type Omit<T, K extends keyof T> = Pick<T, Exclude<keyof T, K>>;
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async function getCurrentStats(span: 'day' | 'hour'): Promise<IStats> {
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const now = new Date();
const y = now.getFullYear();
const m = now.getMonth();
const d = now.getDate();
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const h = now.getHours();
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const current =
span == 'day' ? new Date(y, m, d) :
span == 'hour' ? new Date(y, m, d, h) :
null;
// 現在(今日または今のHour)の統計
const currentStats = await Stats.findOne({
span: span,
date: current
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});
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if (currentStats) {
return currentStats;
} else {
// 集計期間が変わってから、初めてのチャート更新なら
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// 最も最近の統計を持ってくる
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// * 例えば集計期間が「日」である場合で考えると、
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// * 昨日何もチャートを更新するような出来事がなかった場合は、
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// * 統計がそもそも作られずドキュメントが存在しないということがあり得るため、
// * 「昨日の」と決め打ちせずに「もっとも最近の」とします
const mostRecentStats = await Stats.findOne({
span: span
}, {
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sort: {
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date: -1
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}
});
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if (mostRecentStats) {
// 現在の統計を初期挿入
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const data: Omit<IStats, '_id'> = {
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span: span,
date: current,
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users: {
local: {
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total: mostRecentStats.users.local.total,
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diff: 0
},
remote: {
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total: mostRecentStats.users.remote.total,
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diff: 0
}
},
notes: {
local: {
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total: mostRecentStats.notes.local.total,
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diff: 0,
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diffs: {
normal: 0,
reply: 0,
renote: 0
}
},
remote: {
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total: mostRecentStats.notes.remote.total,
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diff: 0,
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diffs: {
normal: 0,
reply: 0,
renote: 0
}
}
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},
drive: {
local: {
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totalCount: mostRecentStats.drive.local.totalCount,
totalSize: mostRecentStats.drive.local.totalSize,
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diffCount: 0,
diffSize: 0
},
remote: {
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totalCount: mostRecentStats.drive.remote.totalCount,
totalSize: mostRecentStats.drive.remote.totalSize,
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diffCount: 0,
diffSize: 0
}
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}
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};
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const stats = await Stats.insert(data);
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return stats;
} else {
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// 統計が存在しなかったら
// * Misskeyインスタンスを建てて初めてのチャート更新時など
// 空の統計を作成
const emptyStat: Omit<IStats, '_id'> = {
span: span,
date: current,
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users: {
local: {
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total: 0,
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diff: 0
},
remote: {
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total: 0,
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diff: 0
}
},
notes: {
local: {
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total: 0,
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diff: 0,
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diffs: {
normal: 0,
reply: 0,
renote: 0
}
},
remote: {
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total: 0,
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diff: 0,
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diffs: {
normal: 0,
reply: 0,
renote: 0
}
}
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},
drive: {
local: {
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totalCount: 0,
totalSize: 0,
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diffCount: 0,
diffSize: 0
},
remote: {
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totalCount: 0,
totalSize: 0,
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diffCount: 0,
diffSize: 0
}
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}
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};
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const stats = await Stats.insert(emptyStat);
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return stats;
}
}
}
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function update(inc: any) {
getCurrentStats('day').then(stats => {
Stats.findOneAndUpdate({
_id: stats._id
}, {
$inc: inc
});
});
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getCurrentStats('hour').then(stats => {
Stats.findOneAndUpdate({
_id: stats._id
}, {
$inc: inc
});
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});
}
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export async function updateUserStats(user: IUser, isAdditional: boolean) {
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const amount = isAdditional ? 1 : -1;
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const origin = isLocalUser(user) ? 'local' : 'remote';
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const inc = {} as any;
inc[`users.${origin}.total`] = amount;
inc[`users.${origin}.diff`] = amount;
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await update(inc);
}
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export async function updateNoteStats(note: INote, isAdditional: boolean) {
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const amount = isAdditional ? 1 : -1;
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const origin = isLocalUser(note._user) ? 'local' : 'remote';
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const inc = {} as any;
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inc[`notes.${origin}.total`] = amount;
inc[`notes.${origin}.diff`] = amount;
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if (note.replyId != null) {
inc[`notes.${origin}.diffs.reply`] = amount;
} else if (note.renoteId != null) {
inc[`notes.${origin}.diffs.renote`] = amount;
} else {
inc[`notes.${origin}.diffs.normal`] = amount;
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}
await update(inc);
}
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export async function updateDriveStats(file: IDriveFile, isAdditional: boolean) {
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const amount = isAdditional ? 1 : -1;
const size = isAdditional ? file.length : -file.length;
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const origin = isLocalUser(file.metadata._user) ? 'local' : 'remote';
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const inc = {} as any;
inc[`drive.${origin}.totalCount`] = amount;
inc[`drive.${origin}.diffCount`] = amount;
inc[`drive.${origin}.totalSize`] = size;
inc[`drive.${origin}.diffSize`] = size;
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await update(inc);
}