wazuh-kibana-app/public/services/pattern-handler.js

/*
 * Wazuh app - Pattern handler service
 * Copyright (C) 2018 Wazuh, Inc.
 *
 * This program is free software; you can redistribute it and/or modify
 * it under the terms of the GNU General Public License as published by
 * the Free Software Foundation; either version 2 of the License, or
 * (at your option) any later version.
 *
 * Find more information about this on the LICENSE file.
 */
import { uiModules } from 'ui/modules'

const app = uiModules.get('app/wazuh', []);

class PatternHandler {
    constructor($location, genericReq, appState, errorHandler, wzMisc) {
        this.$location    = $location;
        this.genericReq   = genericReq;
        this.appState     = appState;
        this.errorHandler = errorHandler;
        this.wzMisc       = wzMisc;
    }

    async getPatternList() {
        try {
            const patternList = await this.genericReq.request('GET','/get-list',{});

            if(!patternList.data.data.length){
                this.wzMisc.setBlankScr('Sorry but no valid index patterns were found')
                this.$location.search('tab',null);
                this.$location.path('/blank-screen');
                return;
            }

            if(this.appState.getCurrentPattern()){
                let filtered = patternList.data.data.filter(item => item.id.includes(this.appState.getCurrentPattern()))
                if(!filtered.length) this.appState.setCurrentPattern(patternList.data.data[0].id)
            }

            return patternList.data.data;
        } catch (error) {
            this.errorHandler.handle(error,'Pattern Handler (getPatternList)');
        }
        return;
    }

    async changePattern(selectedPattern) {
        try {
            this.appState.setCurrentPattern(selectedPattern);
            await this.genericReq.request('GET',`/refresh-fields/${selectedPattern}`,{})
            return this.appState.getCurrentPattern();
        } catch (error) {
            this.errorHandler.handle(error,'Pattern Handler (changePattern)');
        }
        return;
    }
}

app.service('patternHandler', PatternHandler);