Mentors.js

import {
  Card,
  Container,
  Header,
  Icon,
  Image,
  Item,
  Label,
  Responsive,
  Segment,
} from 'semantic-ui-react';
import React, { Component } from 'react';

import { connect } from 'react-redux';
import { getMentors } from '../../actions/mentors';

class Mentors extends Component {
  UNSAFE_componentWillMount() {
    this.props.getMentors();
  }

  renderMentorsNormal() {
    return this.props.mentors.map((item, index) => (
      <Card style={{ maxWidth: '100%', minWidth: '100%' }}>
        <Card.Content style={{ padding: '0' }}>
          <Item.Group>
            <Item>
              {index % 2 === 0 ? (
                <Item.Image size="medium" src={item.image} />
              ) : null}
              <Item.Content style={{ padding: '1rem' }}>
                <Item.Header>{item.name}</Item.Header>
                <Item.Description>
                  <p>{item.text}</p>
                </Item.Description>
                <Item.Extra>
                  <Label>
                    <Icon name="mail" />
                    {item.email}
                  </Label>
                </Item.Extra>
              </Item.Content>
              {index % 2 === 1 ? (
                <Item.Image size="medium" src={item.image} />
              ) : null}
            </Item>
          </Item.Group>
        </Card.Content>
      </Card>
    ));
  }

  renderMentorsMobile() {
    return this.props.mentors.map((item) => (
      <Card key={item.id}>
        <Image src={item.image} wrapped ui={false} />
        <Card.Content>
          <Card.Header>{item.name}</Card.Header>
          <Card.Description>{item.text}</Card.Description>
        </Card.Content>
        <Card.Content extra>
          <Label>
            <Icon name="mail" />
            {item.email}
          </Label>
        </Card.Content>
      </Card>
    ));
  }

  render() {
    return (
      <div>
        <Segment inverted textAlign="center" vertical>
          <Container>
            <Header
              as="h1"
              content="Mentorok"
              inverted
              style={{
                fontSize: '3em',
                fontWeight: 'normal',
                marginBottom: 0,
                marginTop: '0.5em',
              }}
            />
          </Container>
        </Segment>

        <Responsive minWidth={768}>
          <Container style={{ paddingTop: '2em', paddingBottom: '5em' }}>
            {this.renderMentorsNormal()}
          </Container>
        </Responsive>

        <Responsive minWidth={551} maxWidth={767}>
          <Container style={{ paddingTop: '2em', paddingBottom: '5em' }}>
            <Card.Group centered itemsPerRow={2}>
              {this.renderMentorsMobile()}
            </Card.Group>
          </Container>
        </Responsive>

        <Responsive maxWidth={550}>
          <Container style={{ paddingTop: '2em', paddingBottom: '5em' }}>
            <Card.Group centered itemsPerRow={1}>
              {this.renderMentorsMobile()}
            </Card.Group>
          </Container>
        </Responsive>
      </div>
    );
  }
}

const mapStateToProps = ({ mentors, user }) => ({ mentors, user });

export default connect(mapStateToProps, { getMentors })(Mentors);