| /** |
| * Licensed to the Apache Software Foundation (ASF) under one |
| * or more contributor license agreements. See the NOTICE file |
| * distributed with this work for additional information |
| * regarding copyright ownership. The ASF licenses this file |
| * to you 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 { Utils } from '../utils/utils'; |
| import { TIMESTAMP_FIELD_NAME, GIUD_FIELD_NAME } from '../utils/constants'; |
| import { DateFilterValue } from './date-filter-value'; |
| |
| export class Filter { |
| value: string; |
| display: boolean; |
| dateFilterValue: DateFilterValue; |
| |
| private readonly excludeOperatorRxp = /^-/; |
| private readonly excludeOperator = '-'; |
| private isExcluding = false; |
| |
| private clearedField: string; |
| |
| get field(): string { |
| return this.operatorToAdd() + this.clearedField; |
| } |
| |
| static fromJSON(objs: Filter[]): Filter[] { |
| let filters = []; |
| if (objs) { |
| for (let obj of objs) { |
| filters.push(new Filter(obj.field, obj.value, obj.display)); |
| } |
| } |
| return filters; |
| } |
| |
| toJSON() { |
| return { field: this.field, value: this.value, display: this.display }; |
| } |
| |
| constructor(field: string, value: string, display = true) { |
| const { clearedField, isExcluding } = this.parseAndClearField(field); |
| |
| this.value = value; |
| this.display = display; |
| |
| this.clearedField = clearedField; |
| this.isExcluding = isExcluding; |
| } |
| |
| private parseAndClearField(field: string): { clearedField: string, isExcluding: boolean } { |
| field = field.replace(/\*/, ''); // removing wildcard caracter |
| field = field.trim(); // removing whitespaces |
| const isExcluding = this.excludeOperatorRxp.test(field); // looking for excluding operator |
| const clearedField = field.replace(this.excludeOperatorRxp, ''); // removing exlude operator |
| |
| return { clearedField, isExcluding }; |
| } |
| |
| getQueryString(): string { |
| if (this.clearedField === GIUD_FIELD_NAME) { |
| let valueWithQuote = '\"' + this.value + '\"'; |
| return this.createNestedQuery(this.clearedField, valueWithQuote); |
| } |
| |
| if (this.clearedField === TIMESTAMP_FIELD_NAME && !this.display) { |
| this.dateFilterValue = Utils.timeRangeToDateObj(this.value); |
| if (this.dateFilterValue !== null && this.dateFilterValue.toDate !== null) { |
| return this.createNestedQuery(this.clearedField, |
| '[' + this.dateFilterValue.fromDate + ' TO ' + this.dateFilterValue.toDate + ']'); |
| } else { |
| return this.createNestedQuery(this.clearedField, this.value); |
| } |
| } |
| |
| return this.createNestedQuery(this.clearedField, this.value); |
| } |
| |
| private createNestedQuery(field: string, value: string): string { |
| field = this.escapingESSpearators(field); |
| |
| return this.operatorToAdd() + '(' + field + ':' + value + ' OR ' + |
| this.addMetaAlertPrefix('metron_alert', field) + ':' + value + ')'; |
| } |
| |
| private escapingESSpearators(field: string): string { |
| return field.replace(/\:/g, '\\:'); |
| } |
| |
| private operatorToAdd() { |
| return this.isExcluding ? this.excludeOperator : ''; |
| } |
| |
| private addMetaAlertPrefix(prefix: string, field: string): string { |
| return prefix + '.' + field; |
| } |
| |
| equals(filter: Filter): boolean { |
| return this.field === filter.field && this.value === filter.value; |
| } |
| } |