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w-serv-webdata

v1.0.89

Published

An operator for data control and synchronization between nodejs and browser.

Readme

w-serv-webdata

An operator for data control and synchronization between nodejs and browser.

language npm version license npm download npm download jsdelivr download

Documentation

To view documentation or get support, visit docs.

Parts

w-serv-webdata includes 2 parts:

  • w-serv-webdata-server: for nodejs server
  • w-serv-webdata-client: for nodejs and browser client

Installation

Using npm(ES6 module):

npm i w-serv-webdata

Example for w-serv-webdata-server:

Link: [dev source code]

// import fs from 'fs'
import _ from 'lodash-es'
import WConverhpServer from 'w-converhp/src/WConverhpServer.mjs'
// import WOrm from 'w-orm-mongodb/src/WOrmMongodb.mjs' //自行選擇引用ORM
import WOrm from 'w-orm-lowdb/src/WOrmLowdb.mjs' //自行選擇引用ORM
import WServWebdataServer from './src/WServWebdataServer.mjs'

let ms = []

//預先刪除w-orm-lowdb資料庫
try {
    fs.unlinkSync('./db.json')
}
catch (err) {}

//optWOrm
let optWOrm = {
    // url: 'mongodb://username:[email protected]:27017',
    // db: 'servdata',
    url: './db.json',
    db: 'servdata',
    cl: '',
}

//tableNamesExec, tableNamesSync
let tableNamesExec = ['tabA', 'tabB']
let tableNamesSync = ['tabA']

//kpOrm
let kpOrm = {}
for (let k in tableNamesExec) {
    let v = tableNamesExec[k]
    let opt = { ...optWOrm, cl: v }
    let wo = new WOrm(opt)
    kpOrm[v] = wo
}
// console.log('kpOrm', kpOrm)

//saveData
let saveData = async(cl, r) => {

    //w
    let w = kpOrm[cl] //一定要由kpOrm操作, 否則傳kpOrm進去WServWebdataServer會無法收到change事件
    console.log('saveData cl', cl, r)
    ms.push({ 'saveData before': { cl, data: JSON.stringify(r) } })

    //save
    await w.save(r, { autoInsert: true })
        .then(function(msg) {
            console.log('save then', cl, msg)
            ms.push({ 'saveData after': { cl, data: JSON.stringify(msg) } })
        })
        .catch(function(err) {
            console.log('save catch', cl, err)
        })

}

let r

r = [
    {
        id: 'id-tabA-peter',
        name: 'peter',
        value: 123,
    },
    {
        id: 'id-tabA-rosemary',
        name: 'rosemary',
        value: 123.456,
    },
    {
        id: 'id-tabA-kettle',
        name: 'kettle',
        value: 456,
    },
]

await saveData('tabA', r)
console.log('saveData tabA')

r = [
    {
        id: 'id-tabB-peter',
        name: 'peter',
        value: 123,
    },
    {
        id: 'id-tabB-rosemary',
        name: 'rosemary',
        value: 123.456,
    },
]

await saveData('tabB', r)
console.log('saveData tabB')

let n = 0
let t = setInterval(async () => {
    n++
    console.log('update tabA', n)
    r = {
        id: 'id-tabA-peter',
        name: 'peter',
        value: `peter-n[${n}]`,
    }
    ms.push({ 'timer update tabA before': n, r })
    await saveData('tabA', r)
    ms.push({ 'timer update tabA after': n, r })
    if (n >= 5) {
        clearInterval(t)
    }
}, 2000)

let instWConverServer = new WConverhpServer({
    port: 9000,
})

let procCommon = async (userId, tableName, methodName, input) => {
    // console.log('procCommon call', tableName, methodName, input)
    let r = await kpOrm[tableName][methodName](input)
    // console.log('procCommon result', r)
    return r
}

instWConverServer = new WServWebdataServer(instWConverServer, {
    getUserIdByToken: async (token) => { //可使用async或sync函數
        return 'id-for-admin'
    },
    kpOrm,
    operOrm: procCommon, //procCommon的輸入為: userId, tableName, methodName, input
    tableNamesExec,
    tableNamesSync,
    kpFunExt: { //接收參數第1個為userId, 之後才是前端給予參數
        uploadFile: async (userId, { name, u8a }) => {
            console.log('uploadFile', userId, name, _.size(u8a))
            ms.push({ 'uploadFile before': { name, size: _.size(u8a) } })
            // fs.writeFileSync(name, Buffer.from(u8a))
            ms.push({ 'uploadFile after': { name, size: _.size(u8a) } })
            console.log('uploadFile writeFileSync finish')
            return { name, size: _.size(u8a) }
        },
        add: (userId, input) => {
            console.log('add', input)
            let r = input.pa + input.pb
            ms.push({ 'kpFunExt add': { input: JSON.stringify(input), output: JSON.stringify(r) } })
            return r
        },
        //...
    },
    // fpTableTags: 'tableTags-serv-webdata.json',
})

//error
instWConverServer.on('error', (err) => {
    console.log('error', err)
})

//sync會通過broadcast給前端還需要時間處理, 故不能於滿足條件就stop
setTimeout(() => {
    instWConverServer.clearBroadcast()
    instWConverServer.stop()
    console.log('ms', ms)
}, 14000)
// => ms [
//   {
//     'saveData before': {
//       cl: 'tabA',
//       data: '[{"id":"id-tabA-peter","name":"peter","value":123},{"id":"id-tabA-rosemary","name":"rosemary","value":123.456},{"id":"id-tabA-kettle","name":"kettle","value":456}]'
//     }
//   },
//   {
//     'saveData after': {
//       cl: 'tabA',
//       data: '[{"n":1,"nInserted":1,"ok":1},{"n":1,"nInserted":1,"ok":1},{"n":1,"nInserted":1,"ok":1}]'
//     }
//   },
//   {
//     'saveData before': {
//       cl: 'tabB',
//       data: '[{"id":"id-tabB-peter","name":"peter","value":123},{"id":"id-tabB-rosemary","name":"rosemary","value":123.456}]'
//     }
//   },
//   {
//     'saveData after': {
//       cl: 'tabB',
//       data: '[{"n":1,"nInserted":1,"ok":1},{"n":1,"nInserted":1,"ok":1}]'
//     }
//   },
//   {
//     'timer update tabA before': 1,
//     r: { id: 'id-tabA-peter', name: 'peter', value: 'peter-n[1]' }
//   },
//   {
//     'saveData before': {
//       cl: 'tabA',
//       data: '{"id":"id-tabA-peter","name":"peter","value":"peter-n[1]"}'
//     }
//   },
//   {
//     'saveData after': { cl: 'tabA', data: '[{"n":1,"nModified":1,"ok":1}]' }
//   },
//   {
//     'timer update tabA after': 1,
//     r: { id: 'id-tabA-peter', name: 'peter', value: 'peter-n[1]' }
//   },
//   {
//     'timer update tabA before': 2,
//     r: { id: 'id-tabA-peter', name: 'peter', value: 'peter-n[2]' }
//   },
//   {
//     'saveData before': {
//       cl: 'tabA',
//       data: '{"id":"id-tabA-peter","name":"peter","value":"peter-n[2]"}'
//     }
//   },
//   {
//     'saveData after': { cl: 'tabA', data: '[{"n":1,"nModified":1,"ok":1}]' }
//   },
//   {
//     'timer update tabA after': 2,
//     r: { id: 'id-tabA-peter', name: 'peter', value: 'peter-n[2]' }
//   },
//   {
//     'timer update tabA before': 3,
//     r: { id: 'id-tabA-peter', name: 'peter', value: 'peter-n[3]' }
//   },
//   {
//     'saveData before': {
//       cl: 'tabA',
//       data: '{"id":"id-tabA-peter","name":"peter","value":"peter-n[3]"}'
//     }
//   },
//   {
//     'saveData after': { cl: 'tabA', data: '[{"n":1,"nModified":1,"ok":1}]' }
//   },
//   {
//     'timer update tabA after': 3,
//     r: { id: 'id-tabA-peter', name: 'peter', value: 'peter-n[3]' }
//   },
//   {
//     'timer update tabA before': 4,
//     r: { id: 'id-tabA-peter', name: 'peter', value: 'peter-n[4]' }
//   },
//   {
//     'saveData before': {
//       cl: 'tabA',
//       data: '{"id":"id-tabA-peter","name":"peter","value":"peter-n[4]"}'
//     }
//   },
//   {
//     'saveData after': { cl: 'tabA', data: '[{"n":1,"nModified":1,"ok":1}]' }
//   },
//   {
//     'timer update tabA after': 4,
//     r: { id: 'id-tabA-peter', name: 'peter', value: 'peter-n[4]' }
//   },
//   {
//     'timer update tabA before': 5,
//     r: { id: 'id-tabA-peter', name: 'peter', value: 'peter-n[5]' }
//   },
//   {
//     'saveData before': {
//       cl: 'tabA',
//       data: '{"id":"id-tabA-peter","name":"peter","value":"peter-n[5]"}'
//     }
//   },
//   {
//     'saveData after': { cl: 'tabA', data: '[{"n":1,"nModified":1,"ok":1}]' }
//   },
//   {
//     'timer update tabA after': 5,
//     r: { id: 'id-tabA-peter', name: 'peter', value: 'peter-n[5]' }
//   }
// ]

Example for w-serv-webdata-client in node.js:

Link: [dev source code]

import FormData from 'form-data'
import WConverhpClient from 'w-converhp/src/WConverhpClient.mjs' //編譯後axios與form-data都不適合執行於nodejs, 故需引用原程式碼執行
import WServWebdataClient from './src/WServWebdataClient.mjs'

let ms = []

//instWConverClient
let instWConverClient = new WConverhpClient({
    FormData, //w-converhp的WConverhpClient, 於nodejs使用FormData需安裝套件並提供, 於browser就使用內建FormData故可不用給予
    //url: window.location.origin + window.location.pathname,
    url: 'http://localhost:9000',
})

//instWConverClient
instWConverClient = new WServWebdataClient(
    instWConverClient,
    {
        getToken: () => {
            return '' //Vue.prototype.$store.state.userToken
        },
        getServerMethods: (r) => {
            console.log('getServerMethods', r)
            //Vue.prototype.$fapi = r

            //$fapi
            let $fapi = r

            let core = async() => {

                //select tabA
                await $fapi.tabA.select(({ prog, p, m }) => {
                    console.log('select tabA', prog, p, m)
                })
                    .then((res) => {
                        console.log('tabA.select then', res)
                        ms.push({ 'select tabA': JSON.stringify(res) })
                    })
                    .catch((err) => {
                        console.log('tabA.select catch', err)
                    })

                //select tabB
                await $fapi.tabB.select(({ prog, p, m }) => {
                    console.log('select tabB', prog, p, m)
                })
                    .then((res) => {
                        console.log('tabB.select then', res)
                        ms.push({ 'select tabB': JSON.stringify(res) })
                    })
                    .catch((err) => {
                        console.log('tabB.select catch', err)
                    })

                //add
                ms.push({ 'call add before': '' })
                await $fapi.add({
                    pa: 1,
                    pb: 2.5,
                }, ({ prog, p, m }) => {
                    console.log('add', prog, p, m)
                })
                    .then((res) => {
                        console.log('add then', res)
                        ms.push({ 'call add after': res })
                    })
                    .catch((err) => {
                        console.log('add catch', err)
                    })

                //uploadFile
                ms.push({ 'call uploadFile before': '' })
                await $fapi.uploadFile({
                    name: 'zdata.b1',
                    u8a: new Uint8Array([66, 97, 115]),
                }, ({ prog, p, m }) => {
                    console.log('uploadFile', prog, p, m)
                })
                    .then((res) => {
                        console.log('uploadFile then', res)
                        ms.push({ 'call uploadFile after': res })
                    })
                    .catch((err) => {
                        console.log('uploadFile catch', err)
                    })

            }
            core()
                .catch(() => {})

        },
        recvData: (r) => {
            console.log('recvData', r)
            //Vue.prototype.$store.commit(Vue.prototype.$store.types.UpdateTableData, r)
        },
        getRefreshState: (r) => {
            console.log('getRefreshState', 'needToRefresh', r.needToRefresh)
        },
        getRefreshTable: (r) => {
            console.log('getRefreshTable', 'tableName', r.tableName, 'timeTag', r.timeTag)
        },
        getBeforeUpdateTableTags: (r) => {
            console.log('getBeforeUpdateTableTags', 'needToRefresh', JSON.stringify(r.oldTableTags) !== JSON.stringify(r.newTableTags))
        },
        getAfterUpdateTableTags: (r) => {
            console.log('getAfterUpdateTableTags', 'needToRefresh', JSON.stringify(r.oldTableTags) !== JSON.stringify(r.newTableTags))
        },
    })

//error
instWConverClient.on('error', (err) => {
    console.log('error', err)
})

//sync會通過broadcast給前端還需要時間處理, 故不能於滿足條件就stop
setTimeout(() => {
    instWConverClient.clearBroadcast()
    console.log('ms', ms)
}, 14000)
// => ms [
//   {
//     'select tabA': '[{"id":"id-tabA-peter","name":"peter","value":123},{"id":"id-tabA-rosemary","name":"rosemary","value":123.456},{"id":"id-tabA-kettle","name":"kettle","value":456}]'
//   },
//   {
//     'select tabB': '[{"id":"id-tabB-peter","name":"peter","value":123},{"id":"id-tabB-rosemary","name":"rosemary","value":123.456}]'
//   },
//   { 'call add before': '' },
//   { 'call add after': 3.5 },
//   { 'call uploadFile before': '' },
//   { 'call uploadFile after': { name: 'zdata.b1', size: 3 } }
// ]

In a browser(UMD module):

Add script for w-serv-webdata-client.

<script src="https://cdn.jsdelivr.net/npm/[email protected]/dist/w-serv-webdata-client.umd.js"></script>

Example for w-serv-webdata-client in web:

Link: [dev source code]

<script src="https://cdn.jsdelivr.net/npm/w-converhp/dist/w-converhp-client.umd.js"></script>
<script src="https://cdn.jsdelivr.net/npm/[email protected]/dist/w-serv-webdata-client.umd.js"></script>

let ms = []

//instWConverClient
let WConverhpClient = window['w-converhp-client']

//instWConverClient
let WServWebdataClient = window['w-serv-webdata-client']

let instWConverClient = new WConverhpClient({
    // FormData,
    url: 'http://localhost:9000',
})

instWConverClient = new WServWebdataClient(
    instWConverClient,
    {
        getToken: () => {
            return '' //Vue.prototype.$store.state.token
        },
        getServerMethods: (r) => {
            console.log('getServerMethods', r)
            //Vue.prototype.$fapi = r
                
            //$fapi
            let $fapi = r

            let core = async() => {

                //select tabA
                await $fapi.tabA.select(({ prog, p, m }) => {
                    console.log('select tabA', prog, p, m)
                })
                    .then((res) => {
                        console.log('tabA.select then', res)
                        ms.push({ 'select tabA': JSON.stringify(res) })
                    })
                    .catch((err) => {
                        console.log('tabA.select catch', err)
                    })

                //select tabB
                await $fapi.tabB.select(({ prog, p, m }) => {
                    console.log('select tabB', prog, p, m)
                })
                    .then((res) => {
                        console.log('tabB.select then', res)
                        ms.push({ 'select tabB': JSON.stringify(res) })
                    })
                    .catch((err) => {
                        console.log('tabB.select catch', err)
                    })

                //add
                ms.push({ 'call add before': '' })
                await $fapi.add({
                    pa: 1,
                    pb: 2.5,
                }, ({ prog, p, m }) => {
                    console.log('add', prog, p, m)
                })
                    .then((res) => {
                        console.log('add then', res)
                        ms.push({ 'call add after': res })
                    })
                    .catch((err) => {
                        console.log('add catch', err)
                    })

                //uploadFile
                ms.push({ 'call uploadFile before': '' })
                await $fapi.uploadFile({
                    name: 'zdata.b1',
                    u8a: new Uint8Array([66, 97, 115]),
                }, ({ prog, p, m }) => {
                    console.log('uploadFile', prog, p, m)
                })
                    .then((res) => {
                        console.log('uploadFile then', res)
                        ms.push({ 'call uploadFile after': res })
                    })
                    .catch((err) => {
                        console.log('uploadFile catch', err)
                    })

            }
            core()
                .catch(() => {})

        },
        recvData: (r) => {
            console.log('sync data', r)
            //Vue.prototype.$store.commit(Vue.prototype.$store.types.UpdateTableData, r)
        },
    }
)

//error
instWConverClient.on('error', function(err) {
    console.log('error', err)
})

//sync會通過broadcast給前端還需要時間處理, 故不能於滿足條件就stop
setTimeout(() => {
    instWConverClient.clearBroadcast()
    console.log('ms', ms)
}, 14000)
// => ms [
//   {
//     'select tabA': '[{"id":"id-tabA-peter","name":"peter","value":123},{"id":"id-tabA-rosemary","name":"rosemary","value":123.456},{"id":"id-tabA-kettle","name":"kettle","value":456}]'
//   },
//   {
//     'select tabB': '[{"id":"id-tabB-peter","name":"peter","value":123},{"id":"id-tabB-rosemary","name":"rosemary","value":123.456}]'
//   },
//   { 'call add before': '' },
//   { 'call add after': 3.5 },
//   { 'call uploadFile before': '' },
//   { 'call uploadFile after': { name: 'zdata.b1', size: 3 } }
// ]