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path: root/ui-react/src/components/dialogs/Policy/PolicyToscaFileSelector.js
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/*-
 * ============LICENSE_START=======================================================
 * ONAP POLICY-CLAMP
 * ================================================================================
 * Copyright (C) 2021 AT&T Intellectual Property. All rights reserved.
 * ================================================================================
 * Licensed under the Apache License, Version 2.0 (the "License");
 * you may not use this file except in compliance with the License.
 * You may obtain a copy of the License at
 *
 * http://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS,
 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 * See the License for the specific language governing permissions and
 * limitations under the License.
 * ============LICENSE_END============================================
 * ===================================================================
 *
 */

import React from 'react'
import Modal from 'react-bootstrap/Modal';
import Form from 'react-bootstrap/Form';
import Row from 'react-bootstrap/Row';
import Col from 'react-bootstrap/Col';
import styled from 'styled-components';
import Alert from 'react-bootstrap/Alert';
import { Input, InputLabel, Button , SvgIcon} from "@material-ui/core";
import PublishIcon from '@material-ui/icons/Publish';
import PolicyService from '../../../api/PolicyService';

const ModalStyled = styled(Modal)`
    background-color: transparent;
`

const StyledMessagesDiv = styled.div`
    overflow: auto;
    max-height: 300px;
`


export default class PolicyToscaFileSelector extends React.Component {

    state = {
        show: this.props.show,
        alertMessages: [],
    }
    constructor(props, context) {
        super(props, context);
        this.handleClose = this.handleClose.bind(this);
        this.onFileChange = this.onFileChange.bind(this);
    }

    componentDidUpdate(prevProps) {
        if (this.props.show !== this.state.show) {
            this.setState({show: this.props.show});
        }
    }

    handleClose() {
        this.props.disableFunction();
        this.setState({alertMessages:[]});
    }

    onFileChange(target) {
        this.setState({alertMessages:[]});
        target.currentTarget.files.forEach(file => {
            const fileReader = new FileReader();
            fileReader.readAsDataURL(file);
            fileReader.onload = (content) => {
                PolicyService.sendNewPolicyModel(atob(content.target.result.split(",")[1])).then(respModelCreate => {
                      if (typeof(respModelCreate) === "undefined") {
                        //it indicates a failure
                        this.setState(state => {
                            return {
                                alertMessages: [...state.alertMessages,(<Alert variant="danger"><Alert.Heading>{file.name}</Alert.Heading><p>Policy Tosca Model Creation Failure</p><hr/><p>Type: {file.type}</p><p>Size: {file.size}</p></Alert>)]
                            };
                        });
                      } else {
                        this.setState(state => {
                            return {
                                alertMessages: [...state.alertMessages,(<Alert variant="success"><Alert.Heading>{file.name}</Alert.Heading><p>Policy Tosca Model Created Successfully</p><hr/><p>Type: {file.type}</p><p>Size: {file.size}</p></Alert>)]
                            };
                        });
                      }
                });
            };
        });
        this.props.toscaTableUpdateFunction();
    }

    render() {
        return (
            <ModalStyled size="lg" show={this.state.show} onHide={this.handleClose} backdrop="static" keyboard={false} >
                <Modal.Header closeButton>
                    <Modal.Title>Create New Policy Tosca Model</Modal.Title>
                </Modal.Header>
                <Modal.Body>
                    <Form.Group as={Row} controlId="formPlaintextEmail">
                        <Col sm="10">
                           <input type="file" multiple accept=".yaml,.yml" id="fileUploadButton" style={{ display: 'none' }} onChange={this.onFileChange} />
                           <label htmlFor={'fileUploadButton'}>
                             <Button color="primary"  variant="contained" component="span"
                               startIcon={
                                 <SvgIcon fontSize="small">
                                   <PublishIcon />
                                 </SvgIcon>
                               }>
                               Upload Files
                             </Button>
                             <p>(Only YAML files are supported)</p>
                           </label>
                           <StyledMessagesDiv>
                                {this.state.alertMessages}
                           </StyledMessagesDiv>
                        </Col>
                    </Form.Group>
                </Modal.Body>
                <Modal.Footer>
                    <Button variant="secondary" onClick={this.handleClose}>Close</Button>
                </Modal.Footer>
            </ModalStyled>
        );
    }
}