@waiting/idcard-reader-bp8903/dist/lib/index.js

南天 BP8903 二代机具读卡

import { composite, formatBaseData, initialDataBase, initialIDData, parseCompositeOpts, parseDeviceOpts, testWrite, validateDllFile, } from '@waiting/idcard-reader-base'
import { info } from '@waiting/log'
import { fileExists, isFileExists, join, } from '@waiting/shared-core'
import * as ffi from 'ffi'
import { of, } from 'rxjs'
import { catchError, delay, map, mergeMap, retry, tap, timeout, } from 'rxjs/operators'
import { dllFuncs, } from './config'
import { disconnectDevice, findDeviceList, readAll } from './device'
export async function init(options) {
    const deviceOpts = parseDeviceOpts(options)
    const compositeOpts = parseCompositeOpts(options)
    // 先清空 解决头像图片生成可能失败问题
    // compositeOpts.fontHwxhei = ''
    // compositeOpts.fontOcrb = ''
    // compositeOpts.fontSimhei = ''
    const { debug } = deviceOpts

    if (debug) {
        info(compositeOpts)
        info(deviceOpts)
    }
    await validateDllFile(deviceOpts.dllTxt)
    // 允许 未指定照片解码dll
    if (deviceOpts.dllImage && compositeOpts.useComposite && !await isFileExists(deviceOpts.dllImage)) {
        throw new Error('File not exists: ' + deviceOpts.dllImage)
    }
    await testWrite(deviceOpts.imgSaveDir)
    const apib = ffi.Library(deviceOpts.dllTxt, dllFuncs)
    const devices = findDeviceList(deviceOpts, compositeOpts, apib)

    if (devices && devices.length) {
        return devices
    }
    else {
        throw new Error('未找到读卡设备')
    }
}
/** Read card data */
export function read(device) {
    if (device.openPort) {
        try {
            disconnectDevice(device)
        }
        catch (ex) {
            throw ex
        }
        const text$ = of(readAll(device)).pipe(timeout(2000))
        const iddata$ = text$.pipe(retry(device.deviceOpts.findCardRetryTimes), map(text => {
            const base = pickFields(text)
            const imagePath = device.compositeOpts.useComposite
                ? genAvatarPath(device.deviceOpts.imgSaveDir, base.idc)
                : ''
            const ret = Object.assign({}, initialIDData, { base,
                imagePath })

            return ret
        }))
        const ret$ = iddata$.pipe(delay(device.compositeOpts.useComposite ? 300 : 0), tap(() => {
            disconnectDevice(device)
        }), mergeMap(data => {
            return fileExists(data.imagePath).pipe(map(path => {
                data.imagePath = path
                return data
            }))
        }), mergeMap(data => {
            return !device.compositeOpts.useComposite || !data.imagePath
                ? of(data)
                : composite(data.imagePath, data.base, device.compositeOpts).pipe(map(imgPath => {
                    data.compositePath = imgPath
                    return data
                }))
        }), timeout(20000), catchError((err) => {
            disconnectDevice(device)
            throw err
        }))

        return ret$.toPromise()
    }
    else {
        throw new Error('设备端口未指定')
    }
}
/** Pick fields from origin text */
function pickFields(text) {
    const base = Object.assign({}, initialDataBase)

    if (!text || !text.length) {
        return base
    }
    /** 姓名|身份证号|性别|民族|出生年月|住址|签发机关|起始日期|截至日期 */
    const arr = text.split('|')

    if (arr.length === 9) {
        base.name = arr[0].trim()
        base.idc = arr[1]
        base.genderName = arr[2]
        base.nationName = arr[3]
        base.birth = arr[4]
        base.address = arr[5].trim()
        base.regorg = arr[6].trim()
        base.startdate = arr[7]
        base.enddate = arr[8]
    }
    return formatBaseData(base)
}
export function genAvatarPath(imgSaveDir, idc) {
    const path = join(imgSaveDir, `${idc}.bmp`)

    return path
}