petrosDemetrakopoulos

Car.deleteById('Audi A4', function (err, success) {
   if (!err) {
       console.log('object deleted successfully');
   }
});

petrosDemetrakopoulos

Car.findById('Audi A4', function (err, record) {
   if (!err) {
       console.log(record);
   } 
});

petrosDemetrakopoulos

Car.find(function (err, allRecords) {
   if (!err) {
       console.log(allRecords);
   }
});

petrosDemetrakopoulos

var newCarObject = {model:'Audi A4', engine: 'V8', wheels: 4};
Car.save(newCarObject, function (err, objectSaved) {
   if (!err) {
       console.log('object saved');
   }
})

petrosDemetrakopoulos

Car.deploy(function (err, success) {
    if (!err) {
        console.log('Deployed successfully');
    }
});

petrosDemetrakopoulos

var ethAirBalloons = require('ethairballoons');
var path = require('path');
var savePath = path.resolve(__dirname + '/contracts');

var ethAirBalloonsProvider = ethAirBalloons('http://localhost:8545', savePath); 
//ethereum blockchain provider URL, path to save auto generated smart contracts

var Car = ethAirBalloonsProvider.createSchema({
        name: "Car",
        contractName: "carsContract",

petrosDemetrakopoulos

return (
    <div className="App">
      <div style={{width: '270px', overflowY: 'scroll', margin: 'auto'}}>
    {checkboxItems()}
    <p>{state.selections.toString()}</p>
    </div>
    </div>
  );

petrosDemetrakopoulos

function handleCheckboxChange(key: string) {
    let sel = state.selections
    let find = sel.indexOf(key)
    if (find > -1) {
      sel.splice(find, 1)
    } else {
      sel.push(key)
    }

    setState({

petrosDemetrakopoulos

function checkboxItems() {
    return (
      <React.Fragment>
        {options.map((option) => (
          <ListItem
            key={option}
            text={option}
            handleOnChange={() => handleCheckboxChange(option)}
            selected={state.selections.includes(option)}
          ></ListItem>

petrosDemetrakopoulos

const [state, setState] = React.useState<{ selections: string[] }>({ selections: [] });
const options = ['Item 1', 'Item 2', 'Item 3', 'Item 4', 'Item 5', 'Item 6', 'Item 7', 'Item 8', 'Item 9']