97 lines
3.0 KiB
TypeScript
97 lines
3.0 KiB
TypeScript
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///
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/// Copyright © 2016-2019 The Thingsboard Authors
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///
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/// Licensed under the Apache License, Version 2.0 (the "License");
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/// you may not use this file except in compliance with the License.
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/// You may obtain a copy of the License at
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///
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/// http://www.apache.org/licenses/LICENSE-2.0
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///
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/// Unless required by applicable law or agreed to in writing, software
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/// distributed under the License is distributed on an "AS IS" BASIS,
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/// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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/// See the License for the specific language governing permissions and
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/// limitations under the License.
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///
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import { Direction, SortOrder } from '@shared/models/page/sort-order';
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export class PageLink {
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textSearch: string;
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pageSize: number;
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page: number;
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sortOrder: SortOrder;
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constructor(pageSize: number, page: number = 0, textSearch: string = null, sortOrder: SortOrder = null) {
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this.textSearch = textSearch;
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this.pageSize = pageSize;
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this.page = page;
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this.sortOrder = sortOrder;
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}
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public nextPageLink(): PageLink {
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return new PageLink(this.pageSize, this.page + 1, this.textSearch, this.sortOrder);
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}
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public toQuery(): string {
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let query = `?pageSize=${this.pageSize}&page=${this.page}`;
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if (this.textSearch && this.textSearch.length) {
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query += `&textSearch=${this.textSearch}`;
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}
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if (this.sortOrder) {
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query += `&sortProperty=${this.sortOrder.property}&sortOrder=${this.sortOrder.direction}`;
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}
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return query;
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}
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public sort(item1: any, item2: any): number {
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if (this.sortOrder) {
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const property = this.sortOrder.property;
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const item1Value = item1[property];
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const item2Value = item2[property];
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let result = 0;
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if (item1Value !== item2Value) {
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if (typeof item1Value === 'number' && typeof item2Value === 'number') {
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result = item1Value - item2Value;
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} else if (typeof item1Value === 'string' && typeof item2Value === 'string') {
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result = item1Value.localeCompare(item2Value);
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} else if (typeof item1Value !== typeof item2Value) {
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result = 1;
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}
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}
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return this.sortOrder.direction === Direction.ASC ? result : result * -1;
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}
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return 0;
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}
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}
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export class TimePageLink extends PageLink {
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startTime: number;
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endTime: number;
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constructor(pageSize: number, page: number = 0, textSearch: string = null, sortOrder: SortOrder = null,
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startTime: number = null, endTime: number = null) {
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super(pageSize, page, textSearch, sortOrder);
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this.startTime = startTime;
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this.endTime = endTime;
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}
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public nextPageLink(): TimePageLink {
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return new TimePageLink(this.pageSize, this.page + 1, this.textSearch, this.sortOrder, this.startTime, this.endTime);
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}
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public toQuery(): string {
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let query = super.toQuery();
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if (this.startTime) {
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query += `&startTime=${this.startTime}`;
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}
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if (this.endTime) {
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query += `&endTime=${this.endTime}`;
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}
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return query;
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}
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}
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