perf: Delayed writing to database
- Implement delayed writing feature to database for improved performance and reduced write frequency - Update docs
This commit is contained in:
journey-ad
Jad
parent
c3cf12769c
commit
c3f18f8b34
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@ -1,5 +1,6 @@
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# See https://help.github.com/articles/ignoring-files/ for more about ignoring files.
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count.db
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/.history
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# dependencies
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22
Readme.md
22
Readme.md
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@ -1,8 +1,8 @@
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# Moe-counter
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# Moe-Counter
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多种风格可选的萌萌计数器
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<details>
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<summary>More theme</summary>
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@ -26,17 +26,17 @@
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### Install
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#### Run on Repl.it
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#### Run on Replit
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- Open the url [https://repl.it/@journeyad/Moe-counter](https://repl.it/@journeyad/Moe-counter)
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- Open the url [https://replit.com/@journeyad/Moe-Counter](https://replit.com/@journeyad/Moe-Counter)
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- Just hit the **Fork** button
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- And hit the **Run** button
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#### Deploying on your own server
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```shell
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$ git clone https://github.com/journey-ad/Moe-counter.git
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$ cd Moe-counter
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$ git clone https://github.com/journey-ad/Moe-Counter.git
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$ cd Moe-Counter
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$ yarn install
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$ yarn start
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@ -51,7 +51,7 @@ app:
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port: 3000
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db:
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type: mongodb # sqlite or mongodb
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type: sqlite # sqlite or mongodb
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```
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If you use mongodb, you need to specify the environment variable `DB_URL`
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@ -61,7 +61,7 @@ If you use mongodb, you need to specify the environment variable `DB_URL`
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export DB_URL=mongodb+srv://account:passwd@***.***.***.mongodb.net/db_count
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```
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repl.it can use `.env` file, [documentation](https://docs.repl.it/repls/secret-keys)
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replit can use Secrets, [documentation](https://docs.replit.com/programming-ide/storing-sensitive-information-environment-variables)
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```
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DB_URL="mongodb+srv://account:passwd@***.***.***.mongodb.net/db_count"
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@ -69,8 +69,8 @@ DB_URL="mongodb+srv://account:passwd@***.***.***.mongodb.net/db_count"
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## Credits
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* [repl.it](https://repl.it/)
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* [A-SOUL](https://www.asoulworld.com/) <sup>(非官方导航站)</sup>
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* [replit](https://replit.com/)
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* [A-SOUL_Official](https://space.bilibili.com/703007996)
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* [moebooru](https://github.com/moebooru/moebooru)
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* rule34.xxx NSFW
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* gelbooru.com NSFW
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@ -78,4 +78,4 @@ DB_URL="mongodb+srv://account:passwd@***.***.***.mongodb.net/db_count"
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## License
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[](https://app.fossa.com/projects/git%2Bgithub.com%2Fjourney-ad%2FMoe-counter?ref=badge_large)
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[](https://app.fossa.com/projects/git%2Bgithub.com%2Fjourney-ad%2FMoe-Counter?ref=badge_large)
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@ -2,4 +2,4 @@ app:
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port: 3000
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db:
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type: mongodb # sqlite or mongodb
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type: sqlite # sqlite or mongodb
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@ -32,8 +32,24 @@ function setNum(name, num) {
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.exec()
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}
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function setNumMulti(counters) {
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const bulkOps = counters.map(obj => {
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const { name, num } = obj
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return {
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updateOne: {
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filter: { name },
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update: { name, num },
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upsert: true
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}
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}
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})
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return Count.bulkWrite(bulkOps, { ordered : false })
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}
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module.exports = {
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getNum,
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getAll,
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setNum
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setNum,
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setNumMulti
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}
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57
db/sqlite.js
57
db/sqlite.js
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@ -1,11 +1,11 @@
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'use strict'
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const path = require('path')
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const sqlite3 = require('sqlite3')
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const Database = require('better-sqlite3')
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const db = new sqlite3.Database(path.resolve(__dirname, '../count.db'))
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const db = new Database(path.resolve(__dirname, '../count.db'))
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db.run(`CREATE TABLE IF NOT EXISTS tb_count (
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db.exec(`CREATE TABLE IF NOT EXISTS tb_count (
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id INTEGER PRIMARY KEY AUTOINCREMENT
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NOT NULL
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UNIQUE,
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@ -17,44 +17,53 @@ db.run(`CREATE TABLE IF NOT EXISTS tb_count (
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function getNum(name) {
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return new Promise((resolve, reject) => {
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db.get('SELECT `name`, `num` from tb_count WHERE `name` = ?', name, (err, row) => {
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if (err) reject(err)
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resolve(row || { name, num: 0 })
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})
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const stmt = db.prepare('SELECT `name`, `num` from tb_count WHERE `name` = ?')
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const row = stmt.get(name)
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resolve(row || { name, num: 0 })
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})
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}
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function getAll(name) {
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return new Promise((resolve, reject) => {
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db.get('SELECT * from tb_count', (err, row) => {
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if (err) reject(err)
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resolve(row)
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})
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const stmt = db.prepare('SELECT * from tb_count')
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const rows = stmt.all()
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resolve(rows)
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})
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}
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function setNum(name, num) {
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return new Promise((resolve, reject) => {
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db.run(`INSERT INTO tb_count(\`name\`, \`num\`)
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db.exec(`INSERT INTO tb_count(\`name\`, \`num\`)
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VALUES($name, $num)
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ON CONFLICT(name) DO
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UPDATE SET \`num\` = $num;`
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, {
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$name: name,
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$num: num
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}
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, (err, row) => {
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if (err) reject(err)
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,
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{ $name: name, $num: num }
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)
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resolve(row)
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})
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resolve()
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})
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}
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function setNumMulti(counters) {
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return new Promise((resolve, reject) => {
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const stmt = db.prepare(`INSERT INTO tb_count(\`name\`, \`num\`)
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VALUES($name, $num)
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ON CONFLICT(name) DO
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UPDATE SET \`num\` = $num;`)
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const setMany = db.transaction((counters) => {
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for (const counter of counters) stmt.run(counter)
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})
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setMany(counters)
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resolve()
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})
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}
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module.exports = {
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getNum,
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getAll,
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setNum
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}
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setNum,
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setNumMulti
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}
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45
index.js
45
index.js
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const renderSvg = themify.getCountImage({ count: data.num, theme, length })
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res.send(renderSvg)
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console.log(data, `theme: ${theme}`)
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console.log(data, `theme: ${theme}`, `ref: ${req.get('Referrer') || null}`, `ua: ${req.get('User-Agent') || null}`)
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})
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// JSON record
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@ -70,16 +70,51 @@ const listener = app.listen(config.app.port || 3000, () => {
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console.log('Your app is listening on port ' + listener.address().port)
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})
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let __cache_counter = {}, shouldPush = false
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setInterval(() => {
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shouldPush = true
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}, 1000 * 60);
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async function pushDB() {
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if (!shouldPush) return
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try {
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shouldPush = false
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if (Object.keys(__cache_counter).length === 0) return
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console.log("pushDB", __cache_counter)
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const counters = Object.keys(__cache_counter).map(key => {
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return {
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name: key,
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num: __cache_counter[key]
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}
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})
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await db.setNumMulti(counters)
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__cache_counter = {}
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} catch (error) {
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console.log("pushDB is error: ", error)
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}
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}
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async function getCountByName(name) {
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const defaultCount = { name, num: 0 }
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if (name === 'demo') return { name, num: '0123456789' }
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try {
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const counter = await db.getNum(name) || defaultCount
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const num = counter.num + 1
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db.setNum(counter.name, num)
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return counter
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if (!(name in __cache_counter)) {
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const counter = await db.getNum(name) || defaultCount
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__cache_counter[name] = counter.num + 1
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} else {
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__cache_counter[name]++
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}
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pushDB()
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return { name, num: __cache_counter[name] }
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} catch (error) {
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console.log("get count by name is error: ", error)
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@ -1,5 +1,5 @@
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{
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"name": "kawaii-counter",
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"name": "moe-counter",
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"version": "1.0.0",
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"description": "",
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"main": "index.js",
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"author": "journey-ad",
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"license": "MIT",
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"dependencies": {
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"better-sqlite3": "^8.1.0",
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"compression": "^1.7.4",
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"config-yml": "^0.10.3",
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"express": "^4.17.1",
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"image-size": "^0.8.3",
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"mime-types": "^2.1.27",
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"mongoose": "^5.9.28",
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"pug": "^3.0.0",
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"sqlite3": "^5.0.0"
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"pug": "^3.0.0"
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}
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}
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@ -62,7 +62,7 @@ html
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li
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a(href='https://repl.it/', target='_blank', rel='nofollow') repl.it
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li
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a(href='https://www.asoulworld.com/', target='_blank', title='A-SOUL导航站(非官方)') A-SOUL
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a(href='https://space.bilibili.com/703007996', target='_blank', title='A-SOUL_Official') A-SOUL
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li
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a(href='https://github.com/moebooru/moebooru', target='_blank', rel='nofollow') moebooru
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li
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@ -109,4 +109,4 @@ html
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iframe(src="https://chat.getloli.com/room/@Moe-counter?title=%E8%90%8C%E8%90%8C%E8%AE%A1%E6%95%B0%E5%99%A8%E7%9A%84%E7%95%99%E8%A8%80%E6%9D%BF", scrolling="no", frameborder="0", height="70%", width="26%", style="position: fixed;top: 2%;right: 5%;")
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p.copy
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a(href='https://github.com/journey-ad/Moe-counter', target='_blank', onclick='_evt_push("click", "normal", "go_github")') source code
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a(href='https://github.com/journey-ad/Moe-Counter', target='_blank', onclick='_evt_push("click", "normal", "go_github")') source code
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