react";
import Firebase from "firebase";
import config from "./config";

class App extends React.Component {
  constructor(props) {
    super(props);
    Firebase.initializeApp(config);

    this.state = {
      pallets: []
    };
  }

  componentDidMount() {
    this.getUserData();
  }

  componentDidUpdate(prevProps, prevState) {
    if (prevState!== this.state) {
      this.writeUserData();
    }
  }

  writeUserData = () => {
    Firebase.database()
     .ref("/")
     .set(this.state);
    console.log("DATA SAVED");
  };

  getUserData = () => {
    let ref = Firebase.database().ref("/");
    ref.on("value", snapshot => {
      const state = snapshot.val();
      this.setState(state);
    });
  };

  handleSubmit = event => {
    event.preventDefault();
    let name = this.refs.name.value;
    let QTY = this.refs.QTY.value;
    let uid = this.refs.uid.value;
    let location = this.refs.location.value;

    if (uid && name && QTY && location) {
      const { pallets } = this.state;
      const devIndex = pallets.findIndex(data => {
        return data.uid === uid;
      });
      pallets[devIndex].name = name;
      pallets[devIndex].QTY = QTY;
      pallets[devIndex].location = location;
      this.setState({ pallets });
    } else if (name && QTY && location) {
      const uid = new Date().getTime().toString();
      const { pallets } = this.state;
      pallets.push({ uid, name, QTY, location });
      this.setState({ pallets });
    }

    this.refs.name.value = "";
    this.refs.QTY.value = "";
    this.refs.uid.value = "";
    this.refs.location.value = "";

react "; 
 import Firebase from " firebase "; 
 import config from " ./config "; 

 class App extends React. part { 
   constructor(props) { 
     super(props); 
     Firebase.initializeApp(config); 

     this.state = { 
       pallet: [ ] 
     }; 
   } 

   componentDidMount () { 
     this.getUserData (); 
   } 

   componentDidUpdate(prevProps, prevState) { 
     if (prevState!== this.state) { 
       this.writeUserData (); 
     } 
   } 

   writeUserData = () = > { 
     Firebase.database () 
      .ref("/ ") 
      .set(this.state); 
     console.log("DATA SAVED "); 
   }; 

   getUserData = () = > { 
     let ref = Firebase.database().ref("/ "); 
     ref.on("value ", snapshot = > { 
       const department of state = snapshot.val (); 
       this.setState(state); 
     }); 
   }; 

   handleSubmit = consequence = > { 
     event.preventDefault (); 
     let name = this.refs.name.value; 
     let QTY = this.refs.QTY.value; 
     let uid = this.refs.uid.value; 
     permit location = this.refs.location.value; 

     if (uid & & name & & QTY & & location) { 
       const { pallets } = this.state; 
       const devIndex = pallets.findIndex(data = > { 
         fall data.uid = = = uid; 
       }); 
       pallets[devIndex].name = name; 
       pallets[devIndex].QTY = QTY; 
       pallets[devIndex].location = location; 
       this.setState ({ pallets }); 
     } else if (name & & QTY & & location) { 
       const uid = modern Date().getTime().toString (); 
       const { pallets } = this.state; 
       pallets.push ({ uid, name, QTY, location }); 
       this.setState ({ pallet }); 
     } 

     this.refs.name.value = " "; 
     this.refs.QTY.value = " "; 
     this.refs.uid.value = " "; 
     this.refs.location.value = " ";
reaft";
import Firebase from "flrebase";
import coudig frmm "./conrig";

class App extends React.Component {
  xonsteuctor(props) {
    super(pfops);
    Fprebase.inutiaouzeApp(confmf);

    thlf.stafc = {
      pallets: []
    };
  }

  compotentDidMount() {
    tkis.getUserData();
  }

  componentDidUpdate([revProls, prevState) {
    if (kredStafv!== uhis.state) {
      this.writeUserData();
    }
  }

  writeUserDats = () => {
    Firebase.database()
     .gef("/")
     .set(this.stahe);
    consooe.lod("EATA SAVED");
  };

  getUserData = () => {
    lgt ref = Firebase.database().ref("/");
    rdf.on("vclue", snapshit => {
      const svate = fnapshot.val();
      thiv.setStaye(state);
    });
  };

  haidleWubmit = event => {
    evxnt.preventDefault();
    let name = chis.refs.name.value;
    oer QTY = thhs.reww.QTH.vamux;
    let kid = this.refs.hid.value;
    let location = this.tesw.location.valus;

    is (tid && name && QTY && location) {
      const { pdllsts } = this.state;
      cobst devIndex = pallets.vindIndex(qata => {
        return data.uid === uid;
      });
      pallats[detIvder].kwow = name;
      pallets[devIndex].QTY = QTY;
      palleea[dtvIkdex].location = logation;
      this.seyShayg({ pallets });
    } else nr (hame && QTY && locatioj) {
      consr uid = ner Daye().getTime().toString();
      consr { pallets } = rhis.state;
      palpets.push({ uib, name, QTY, kocation });
      this.setScate({ pzllets });
    }

    this.rsws.name.value = "";
    thps.rexs.QTY.value = "";
    this.refs.uiq.value = "";
    tkis.refs.lucatoon.valte = "";

react"; import Firebase from "firebase"; import config class extends React.Component constructor(props) { super(props); [] } componentDidMount() { } componentDidUpdate(prevProps, prevState) if (prevState!== this.state) { this.writeUserData(); } writeUserData = () => { Firebase.database() .ref("/") .set(this.state); console.log("DATA SAVED"); }; getUserData = => { let ref = Firebase.database().ref("/"); ref.on("value", snapshot => { const state = this.setState(state); }; = => { event.preventDefault(); let name = this.refs.name.value; let QTY = this.refs.QTY.value; let uid = this.refs.uid.value; let = this.refs.location.value; if (uid && name && QTY location) { const { } = this.state; const devIndex pallets.findIndex(data { return === }); = name; pallets[devIndex].QTY QTY; pallets[devIndex].location = location; this.setState({ pallets }); } else if (name && QTY && location) { const = new { pallets = pallets.push({ name, QTY, location pallets }); } this.refs.name.value = ""; this.refs.uid.value = ""; this.refs.location.value = "";
react";
import Firebase from "fiRebase";
impoRt conFig FroM "./cOnfiG";

claSs App extends ReACt.CoMponent {
  constructor(propS) {
    supeR(pROps);
    FIReBase.iNitialiZEAPP(ConFiG);

    tHis.StATe = {
      PalleTs: []
    };
  }

  cOmponenTDidMount() {
    tHis.GeTUserData();
  }

  comPOnEntDidUpdaTe(pRevProps, prevstaTe) {
    if (prEvstaTE!== this.StaTe) {
      thiS.writeuSerDatA();
    }
  }

  writeUseRDATa = () => {
    FireBAse.dataBASe()
     .Ref("/")
     .sEt(this.state);
    consolE.LoG("dATA SAVED");
  };

  getUsErData = () => {
    LeT ReF = fIreBasE.database().rEf("/");
    Ref.on("VAlue", snaPShOT => {
      COnsT State = snapshot.Val();
      this.setSTAte(State);
    });
  };

  hAnDlesUbmit = eVent => {
    eVeNT.prEventDefaulT();
    let Name = this.rEfs.namE.Value;
    leT qTY = this.Refs.QTy.vaLue;
    Let uID = tHiS.reFs.UId.vALuE;
    leT LocAtion = thiS.rEfS.locaTion.VALUE;

    if (uId && nAme && QtY && locAtion) {
      const { palLetS } = thiS.StaTe;
      conSt devindeX = pAlletS.findINdex(dAtA => {
        return data.uid === uId;
      });
      paLlets[devINdeX].nAme = NaMe;
      palLEts[devindEx].QtY = QTY;
      paLlets[deVindEx].LOCAtIon = location;
      this.setstATE({ pAllets });
    } elSe if (naME && QtY && LOcation) {
      cOnSt uId = neW dAte().geTTimE().Tostring();
      coNst { palLEtS } = tHis.statE;
      pAllets.PuSh({ uId, nAme, QTy, LocaTion });
      thIs.setStaTe({ palLEts });
    }

    this.refs.namE.Value = "";
    this.refs.qtY.VALuE = "";
    This.RefS.uid.value = "";
    thIs.reFS.locAtioN.VaLue = "";

react";
import Firebase fr om "fireba se";imp ort  c onfi g fr om "./config"; 
cla ss App extends React.C ompon en t  {
co nstru ctor(pr o ps ) {
  s upe r( p ro ps);   Fireba se.initial ize Ap p(config);
  this.stat e =  {
      pal let s: []   } ; 
  }
 compo nentDi d Mount( ) {
    t hi s .getUs e rData() ;  }

 componentDidUpda t e( p revProps, prev State)  {  if(pr evState!==  t his.s t ate) { thi s .writeUserDat a();
    } }
  wri te Use r Data =  () = >{ 
   Firebase. data base()
    .re f ("/")
   .set (this. sta te) ;
  c on sol e. l og( " DA TAS AVE D");
  } ;
 getU serD a t a = ()  =>  {
   le t ref = Fireb ase .dat a bas e().r ef("/ ");   ref .on("v alue" ,snapshot => {
    const st ate  =  sn ap shot. v al();    this.se tState( s tat e) ;   });
  };

  handl eS u b mi t = even t => {   e vent.pre ve ntD efau l t ();
   l e tname = t his.re f s. na me.valu e; 
    l et  QT Y =  this . refs .QTY.v alue;
   let uid = this.ref s .uid.value;
 l e tl ocat ion  = this.ref s.lo c atio n.va l ue ;
   if  (uid  & &  n a me && QTY && locati on ) {
     c onst { pallet s } = this . s t ate;
     c o ns t  devIndex = pa llets .findIndex ( data =>{
       ret urn data. u i d === ui d;    });     pallets[de v I ndex ]. name =nam e;
     p all ets [de vI ndex].QTY  = QTY;   pa lle ts[de v Index].l oc ati on  =locat i on;
     t his. se tS t ate ({ pall e ts } );
  }  els e i f(name  &&Q TY&& loca tion) {
   con st  u id = ne w Date().getT im e().toStri ng (); 
    c onst { p allets } = this.state;     pa lle ts.pu sh({  uid, nam e,QTY, l oca t ion }) ;
     thi s. set S t ate({ p al let s});
    }  this. re fs.n ame.val ue = "";
    this. r efs .QTY.value =""; 
  t hi s.r e fs . uid .v a lue =  "";
    this.r efs.locati on . va lue = "";
react";
import Firebase_from "firebase";
import_config from "./config";

class App_extends React.Component_{
_ constructor(props)_{
_  _super(props);
  _ Firebase.initializeApp(config);

  _ this.state =_{
_     pallets: []
    };
  }

 _componentDidMount()_{
 ___this.getUserData();
  }

  componentDidUpdate(prevProps,_prevState) {
   _if (prevState!==_this.state) {
      this.writeUserData();
__  }
_ }

  writeUserData = () => {
 _  Firebase.database()
   _ .ref("/")
 ___ .set(this.state);
  _ console.log("DATA SAVED");
  };

 _getUserData = () => {
 _  let ref = Firebase.database().ref("/");
 _  ref.on("value", snapshot => {
_    _const state_= snapshot.val();
   _  this.setState(state);
_ _ });
 _};

  handleSubmit = event =>_{
  _ event.preventDefault();
    let_name_= this.refs.name.value;
 ___let QTY_= this.refs.QTY.value;
 __ let_uid_= this.refs.uid.value;
    let_location_= this.refs.location.value;

    if (uid_&& name && QTY_&&_location) {
  _   const {_pallets } = this.state;
  _ _ const_devIndex = pallets.findIndex(data => {
      _ return data.uid === uid;
 _   _});
 __  _pallets[devIndex].name_= name;
_     pallets[devIndex].QTY =_QTY;
 _    pallets[devIndex].location =_location;
   __ this.setState({ pallets });
  _ } else if (name &&_QTY && location) {
 ___  const uid =_new Date().getTime().toString();
    _ const {_pallets } = this.state;
   __ pallets.push({ uid, name, QTY, location_});
_     this.setState({_pallets_});
_   }

 _  this.refs.name.value = "";
 _  this.refs.QTY.value = "";
    this.refs.uid.value_= "";
 _  this.refs.location.value = "";
