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path: root/ui-react/src/components/dialogs/Policy/PolicyDeploymentEditor.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, { forwardRef } from 'react';
import Modal from 'react-bootstrap/Modal';
import styled from 'styled-components';
import Button from 'react-bootstrap/Button';
import Alert from 'react-bootstrap/Alert';
import PolicyService from '../../../api/PolicyService';
import FormGroup from '@material-ui/core/FormGroup';
import Checkbox from '@material-ui/core/Checkbox';
import FormControlLabel from '@material-ui/core/FormControlLabel';

const DivWhiteSpaceStyled = styled.div`
    white-space: pre;
`

const PanelDiv = styled.div`
    text-align: justify;
    font-size: ${props => props.theme.policyEditorFontSize};
    background-color: ${props => props.theme.loopViewerBackgroundColor};
`

export default class PolicyDeploymentEditor extends React.Component {

    state = {
            policyData: this.props.policyData,
            showSuccessAlert: false,
            showFailAlert: false,
            checkboxesState: this.createPdpStructure(this.props.policyData),
            checkboxesInitialState: this.createPdpStructure(this.props.policyData),
    };

    constructor(props, context) {
        super(props, context);
        this.handleClose = this.handleClose.bind(this);
        this.handleUpdatePdpDeployment = this.handleUpdatePdpDeployment.bind(this);
        this.disableAlert = this.disableAlert.bind(this);
        this.renderPdpDeploymentCheckboxes = this.renderPdpDeploymentCheckboxes.bind(this);
        this.createPdpStructure = this.createPdpStructure.bind(this);
        this.handleCheckboxChange = this.handleCheckboxChange.bind(this);
        this.createPdpGroupOperations = this.createPdpGroupOperations.bind(this);
    }

    handleClose() {
        this.setState({ show: false });

    }

    disableAlert() {
        this.setState ({ showSuccessAlert: false, showFailAlert: false });
    }

    createPdpGroupOperations(initialStates, newStates) {
        let commandsArray = [];
        initialStates.forEach(initElem => {
            let newStateFound = newStates.find(newElement => newElement.name === initElem.name);
            if (initElem.value !== newStateFound.value) {
                let newPdpGroupsArray = newStateFound.name.split("/");
                let operation = "POST/";
                if (initElem.value) {
                    operation = "DELETE/";
                }
                commandsArray.push(operation + newPdpGroupsArray[0] + "/"+newPdpGroupsArray[1] + "/"
                    +this.state.policyData.name + "/" + this.state.policyData.version);
            }
        });
        return commandsArray.length > 0 ? {"PdpActions":commandsArray} : undefined;
    }

    handleUpdatePdpDeployment() {
            let operationsList = this.createPdpGroupOperations(this.state.checkboxesInitialState,
                                                 this.state.checkboxesState);
            if (typeof(operationsList) !== "undefined") {
                PolicyService.updatePdpDeployment(operationsList).then(respPdpDeploymentUpdate => {
                    if (typeof(respPdpDeploymentUpdate) === "undefined") {
                        //it indicates a failure
                        this.setState({
                            showFailAlert: true,
                            showMessage: 'Pdp Deployment update Failure'
                        });
                    } else {
                        this.setState({
                            showSuccessAlert: true,
                            showMessage: 'Pdp Deployment Update successful'
                        });
                        this.props.policiesTableUpdateFunction();
                    }
                })
            } else {
                this.setState({
                    showSuccessAlert: true,
                    showMessage: 'Pdp Deployment: Nothing to change'
                });
            }
    }

    createPdpStructure(policyData) {
            // Create map with data for all group/subgroup where the policy is deployed
            let infoPdpMap = new Map();
            if (typeof policyData.pdpGroupInfo !== "undefined") {
                policyData["pdpGroupInfo"].forEach(pdpGroupElem => {
                    let pdpGroupName = Object.keys(pdpGroupElem)[0];
                    pdpGroupElem[pdpGroupName]["pdpSubgroups"].forEach(pdpSubGroupElem => {
                        infoPdpMap.set(pdpGroupName + "/" + pdpSubGroupElem["pdpType"], true);
                    });
                });
            }
            // Create the possible values for pdpgroup/subgroup and tick the ones where policy is deployed
            let pdpStates = [];
            if (typeof policyData.supportedPdpGroups !== "undefined") {
                for (const pdpGroup of policyData["supportedPdpGroups"]) {
                    let pdpGroupName = Object.keys(pdpGroup)[0];
                    for (const pdpSubGroup of Object.values(pdpGroup)[0]) {
                            let fullName = pdpGroupName + "/" + pdpSubGroup;
                            pdpStates.push({name: fullName,
                                value: infoPdpMap.get(fullName) !== undefined});
                    }
                }
            }
            return pdpStates;
    }

    handleCheckboxChange(event) {
        const checkboxesArray = this.state.checkboxesState;
        checkboxesArray.find(element => element.name === event.target.name).value = event.target.checked;
        this.setState({checkboxesState:checkboxesArray});
    }

    renderPdpDeploymentCheckboxes() {
        return this.state.checkboxesState.map(item => {
            return <FormControlLabel control={<Checkbox checked={item.value} onChange={this.handleCheckboxChange}
                name={item.name} />} label={item.name} />;
        });
    }

    render() {
     return (
        <PanelDiv>
          <Alert variant="success" show={this.state.showSuccessAlert} onClose={this.disableAlert} dismissible>
              <DivWhiteSpaceStyled>
                  {this.state.showMessage}
              </DivWhiteSpaceStyled>
          </Alert>
          <Alert variant="danger" show={this.state.showFailAlert} onClose={this.disableAlert} dismissible>
              <DivWhiteSpaceStyled>
                  {this.state.showMessage}
              </DivWhiteSpaceStyled>
          </Alert>
          <Button variant="secondary" title="Update the policy to the specified PDP Groups/Subgroups"
            onClick={this.handleUpdatePdpDeployment}>Update PDP</Button>
          <FormGroup>{this.renderPdpDeploymentCheckboxes()}</FormGroup>
        </PanelDiv>
       );
    }
 }