utils.js

const fs = require('fs')
const {
    promisify
} = require('util')
const path = require("path"); 
const writeFile = promisify(fs.writeFile)
const readFile = promisify(fs.readFile)

const key = "kuz*TSbT2mCK+tMGmL7s7hr8#n&gmtmJ@8SgspF$WRRunNR!L-_?x2ekWVcX3M?vKPwQwzm-nr?GzEVe_dweWzANe9xLjbK$W+?#!ZC!M_EU%DtSs4zMu-MLRV!+SRyR&$nxQpBCdgc+T_@9$X$$syQbx_&9NkGV9tuP6Dfz52HmcLxuT%6%fgb7Tkqg3mE2FH*5AsC9De8tU^rsH2%WDSPxwh_V=JDh864G4hvh!+bTV?!BEjCuLXW3fEhH4ExBy*29%+#NduDA2trvPkTew_r_73h$wt#8!Xj+U+tBfd*k!2Lx8!qrSZu6eS#^j%HXV2Ps?Yv6Vz#925BeYGwxB%-jYkS3U_2@SwtXaCmYnWk$Fx^xMhFWeH4P45_fvMTG_ABFkGnu+Kf2byyqEXPq4tXu+yDPDkdkVD56zN&Hp_6YrsAJ$wBWD%DCaqx@6M!nMDVhY#-Vce=bj+u&#JEus9HS*?T!P2=uX?=MQ7BNXU3TR9F?Np^$wLA+Wg*etyhxmh2d9#M!Fc+xFUK7BPKYZF+-bHa+*$fnLbL25%j+bHFntgTW3Q_%gUfVd3FbZGgkv&g&&G2@rXez3jUc^EPT5j5MXbPZL9+w$a%u&fqvPnQNTVnFSCn8#ue3tZsR*PngTD3VMQm2&Rbhe5-WepSaP=utTh#JngUj9UAUU99BSEU-PP?3ca8qhyf3hnNmZJG26UzG=f-T8gYX#kyhtqndGELDdcjjJWkL2JmZ9XT3b-q%Y@e8qhJ+NK?AfvcgQD389RK2WMpz?!QAYb+L3787RGK!@BY&PaBBW#RDJeGRCcKP9H+8j%fPBjRZN-xWKux*s+@Bcv-CXDRS^NUs4C!-5r=xwa^TKMUHMSvqKzv=-h5ad@Qnsw6bnw*eQtd%VX^ZUAh52f3?&Ka$W2kx!Nyve^9BVHEBzzS+w24XWrR4LFV^=78ZKqjtDJ5gs5E6XL5L35CS=E=_37aj9CT=V+5b$K4Ltcyz28#YHVYd_dKa!ecH4w-Ev9Uw=^KDc_$+FqKy";


const manager = {
    ClassExists: (grade, section, classes) => {
        let flag = false;
        for(var i = 0; i < classes.length; i++){
            if(flag) break;
            const _class = classes[i];
            if(_class.grade == grade && _class.section == section)
                flag = true;
        }
        return flag;
    }
}

module.exports = {
    manager
}