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path: root/openecomp-ui/src/sdc-app/flows/SequenceDiagramModelHelper.js
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/*!
 * Copyright (C) 2017 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.
 */
import emptyModel from './emptyModel.json';

function mergeLifelines(oldLifelines, newLifelines) {
    let oldLifelinesMap = new Map(
        oldLifelines.map(lifeline => [lifeline.id, lifeline])
    );
    let newLifelinesMap = new Map(
        newLifelines.map(lifeline => [lifeline.id, lifeline])
    );

    let updatedLifelines = oldLifelines.map(lifeline => {
        let newLifeline = newLifelinesMap.get(lifeline.id);
        return {
            ...lifeline,
            name: newLifeline ? newLifeline.name : lifeline.name
        };
    });

    let addedLifelines = newLifelines.filter(
        lifeline => !oldLifelinesMap.has(lifeline.id)
    );

    return [...updatedLifelines, ...addedLifelines];
}

const SequenceDiagramModelHelper = Object.freeze({
    createModel(options) {
        return SequenceDiagramModelHelper.updateModel(emptyModel, options);
    },

    updateModel(model, options) {
        const diagram = model.diagram;
        const metadata = diagram.metadata || model.metadata;
        const id = options.id || metadata.id;
        const name = options.name || metadata.name;
        const lifelines = options.lifelines
            ? mergeLifelines(diagram.lifelines, options.lifelines)
            : diagram.lifelines;

        return {
            diagram: {
                ...diagram,
                metadata: {
                    ...metadata,
                    id,
                    name
                },
                lifelines
            }
        };
    }
});

export default SequenceDiagramModelHelper;