From e64912545a61b89ecff5f300d2a36f7f9cfa1fdd Mon Sep 17 00:00:00 2001 From: syuilo Date: Sun, 14 Apr 2019 01:08:26 +0900 Subject: Update id generation methods --- src/misc/aid.ts | 26 -------------------------- src/misc/aidc.ts | 26 -------------------------- src/misc/gen-id.ts | 11 +++-------- src/misc/id/aid.ts | 23 +++++++++++++++++++++++ src/misc/id/object-id.ts | 26 ++++++++++++++++++++++++++ src/misc/object-id.ts | 26 -------------------------- 6 files changed, 52 insertions(+), 86 deletions(-) delete mode 100644 src/misc/aid.ts delete mode 100644 src/misc/aidc.ts create mode 100644 src/misc/id/aid.ts create mode 100644 src/misc/id/object-id.ts delete mode 100644 src/misc/object-id.ts (limited to 'src/misc') diff --git a/src/misc/aid.ts b/src/misc/aid.ts deleted file mode 100644 index aba53ed5fb..0000000000 --- a/src/misc/aid.ts +++ /dev/null @@ -1,26 +0,0 @@ -// AID -// 長さ8の[2000年1月1日からの経過ミリ秒をbase36でエンコードしたもの] + 長さnの[ランダムな文字列] - -const CHARS = '0123456789abcdefghijklmnopqrstuvwxyz'; -const TIME2000 = 946684800000; - -function getTime(time: number) { - time = time - TIME2000; - if (time < 0) time = 0; - - return time.toString(36); -} - -function getRandom(length: number) { - let str = ''; - - for (let i = 0; i < length; i++) { - str += CHARS[Math.floor(Math.random() * CHARS.length)]; - } - - return str; -} - -export function genAid(date: Date, rand: number): string { - return getTime(date.getTime()).padStart(8, CHARS[0]) + getRandom(rand); -} diff --git a/src/misc/aidc.ts b/src/misc/aidc.ts deleted file mode 100644 index 75168ac307..0000000000 --- a/src/misc/aidc.ts +++ /dev/null @@ -1,26 +0,0 @@ -// AID(Cheep) -// 長さ6の[2000年1月1日からの経過秒をbase36でエンコードしたもの] + 長さ3の[ランダムな文字列] - -const CHARS = '0123456789abcdefghijklmnopqrstuvwxyz'; -const TIME2000 = 946684800000; - -function getTime(time: number) { - time = time - TIME2000; - if (time < 0) time = 0; - time = Math.floor(time / 1000); - return time.toString(36); -} - -function getRandom() { - let str = ''; - - for (let i = 0; i < 3; i++) { - str += CHARS[Math.floor(Math.random() * CHARS.length)]; - } - - return str; -} - -export function genAidc(date: Date): string { - return getTime(date.getTime()).padStart(6, CHARS[0]) + getRandom(); -} diff --git a/src/misc/gen-id.ts b/src/misc/gen-id.ts index fe901b1fe7..d16910d015 100644 --- a/src/misc/gen-id.ts +++ b/src/misc/gen-id.ts @@ -1,7 +1,6 @@ import { ulid } from 'ulid'; -import { genAid } from './aid'; -import { genAidc } from './aidc'; -import { genObjectId } from './object-id'; +import { genAid } from './id/aid'; +import { genObjectId } from './id/object-id'; import config from '../config'; const metohd = config.id.toLowerCase(); @@ -10,11 +9,7 @@ export function genId(date?: Date): string { if (!date || (date > new Date())) date = new Date(); switch (metohd) { - case 'aidc': return genAidc(date); - case 'aid1': return genAid(date, 1); - case 'aid2': return genAid(date, 2); - case 'aid3': return genAid(date, 3); - case 'aid4': return genAid(date, 4); + case 'aid': return genAid(date); case 'ulid': return ulid(date.getTime()); case 'objectid': return genObjectId(date); default: throw 'unknown id generation method'; diff --git a/src/misc/id/aid.ts b/src/misc/id/aid.ts new file mode 100644 index 0000000000..7ab0a148eb --- /dev/null +++ b/src/misc/id/aid.ts @@ -0,0 +1,23 @@ +// AID +// 長さ8の[2000年1月1日からの経過ミリ秒をbase36でエンコードしたもの] + 長さ2の[ノイズ文字列] + +import * as cluster from 'cluster'; + +const TIME2000 = 946684800000; +let counter = process.pid + (cluster.isMaster ? 0 : cluster.worker.id); + +function getTime(time: number) { + time = time - TIME2000; + if (time < 0) time = 0; + + return time.toString(36).padStart(8, '0'); +} + +function getRandom() { + return counter.toString(36).padStart(length, '0').substr(2); +} + +export function genAid(date: Date): string { + counter++; + return getTime(date.getTime()) + getRandom(); +} diff --git a/src/misc/id/object-id.ts b/src/misc/id/object-id.ts new file mode 100644 index 0000000000..392ea43301 --- /dev/null +++ b/src/misc/id/object-id.ts @@ -0,0 +1,26 @@ +const CHARS = '0123456789abcdef'; + +function getTime(time: number) { + if (time < 0) time = 0; + if (time === 0) { + return CHARS[0]; + } + + time = Math.floor(time / 1000); + + return time.toString(16).padStart(8, CHARS[0]); +} + +function getRandom() { + let str = ''; + + for (let i = 0; i < 16; i++) { + str += CHARS[Math.floor(Math.random() * CHARS.length)]; + } + + return str; +} + +export function genObjectId(date: Date): string { + return getTime(date.getTime()) + getRandom(); +} diff --git a/src/misc/object-id.ts b/src/misc/object-id.ts deleted file mode 100644 index 6f6422e5e4..0000000000 --- a/src/misc/object-id.ts +++ /dev/null @@ -1,26 +0,0 @@ -const CHARS = '0123456789abcdef'; - -function getTime(time: number) { - if (time < 0) time = 0; - if (time === 0) { - return CHARS[0]; - } - - time = Math.floor(time / 1000); - - return time.toString(16); -} - -function getRandom() { - let str = ''; - - for (let i = 0; i < 16; i++) { - str += CHARS[Math.floor(Math.random() * CHARS.length)]; - } - - return str; -} - -export function genObjectId(date: Date): string { - return getTime(date.getTime()) + getRandom(); -} -- cgit v1.2.3-freya