lbry-desktop/ui/js/component/reward-link.js

import React from 'react';
import lbry from 'lbry'
import {Icon} from 'component/common';
import Modal from 'component/modal';
import rewards from 'rewards';
import Link from 'component/link'

export class RewardLink extends React.Component {
  static propTypes = {
    type: React.PropTypes.string.isRequired,
    claimed: React.PropTypes.bool,
    onRewardClaim: React.PropTypes.func,
    onRewardFailure: React.PropTypes.func
  }

  constructor(props) {
    super(props);

    this.state = {
      claimable: true,
      pending: false,
      errorMessage: null
    };
  }

  refreshClaimable() {
    switch(this.props.type) {
      case 'new_user':
        this.setState({ claimable: true });
        return;

      case 'first_publish':
        lbry.claim_list_mine().then(function(list) {
          this.setState({
            claimable: list.length > 0
          })
        }.bind(this));
        return;
    }
  }

  componentWillMount() {
    this.refreshClaimable();
  }

  claimReward() {
    this.setState({
      pending: true
    })
    rewards.claimReward(this.props.type).then((reward) => {
      this.setState({
        pending: false,
        errorMessage: null
      })
      if (this.props.onRewardClaim) {
        this.props.onRewardClaim(reward);
      }
    }).catch((error) => {
      this.setState({
        errorMessage: error.message,
        pending: false
      })
    })
  }

  clearError() {
    if (this.props.onRewardFailure) {
      this.props.onRewardFailure()
    }
    this.setState({
      errorMessage: null
    })
  }

  render() {
    return (
      <div className="reward-link">
        {this.props.claimed
          ? <span><Icon icon="icon-check" /> Reward claimed.</span>
          : <Link button={this.props.button ? this.props.button : 'alt'} disabled={this.state.pending || !this.state.claimable }
                  label={ this.state.pending ? "Claiming..." : "Claim Reward"} onClick={this.claimReward} />}
        {this.state.errorMessage ?
         <Modal isOpen={true} contentLabel="Reward Claim Error" className="error-modal" onConfirmed={this.clearError}>
           {this.state.errorMessage}
         </Modal>
          : ''}
      </div>
    );
  }
}