86 lines
2.7 KiB
JavaScript
86 lines
2.7 KiB
JavaScript
// Copyright (c) 2018 Dominic Masters
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//
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// MIT License
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//
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// Permission is hereby granted, free of charge, to any person obtaining
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// a copy of this software and associated documentation files (the
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// "Software"), to deal in the Software without restriction, including
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// without limitation the rights to use, copy, modify, merge, publish,
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// distribute, sublicense, and/or sell copies of the Software, and to
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// permit persons to whom the Software is furnished to do so, subject to
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// the following conditions:
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//
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// The above copyright notice and this permission notice shall be
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// included in all copies or substantial portions of the Software.
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//
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// THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
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// EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
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// MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
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// NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE
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// LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION
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// OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION
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// WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
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const DatabaseInterface = require('./../database/DatabaseInterface');
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module.exports = class Articles extends DatabaseInterface {
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constructor(app) {
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super(app);
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}
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async getArticlesCount() {
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return (await this.store.getFromDatabase(
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`getArticlesCount`, 'getArticlesCount', {}, 'one'
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)).count;
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}
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async getArticleById(id) {
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return await this.store.getFromDatabase(
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`getArticleById_${id}`, `getArticleById`, {id}, 'oneOrNone'
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);
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}
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async getArticleByHandle(handle) {
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return await this.store.getFromDatabase(
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`getArticleByHandle_${handle}`, `getArticleByHandle`, {handle}, 'oneOrNone'
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);
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}
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async getArticlesPageCount(perPage) {
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if(!perPage) perPage = 10;
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let count = await this.getArticlesCount(perPage);
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return Math.ceil(count/perPage);
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}
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async getArticlesByPage(page, perPage) {
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if(!page) page = 1;
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if(!perPage) perPage = 10;
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page = Math.max(0, page - 1) * perPage;
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return await this.store.getFromDatabase(
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`getArticlesByPage_${page}_${perPage}`, `getArticlesByPage`,
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{ count:perPage, offset:page }, 'any'
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);
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}
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async addArticle(handle, title, image, shortDescription, description, date) {
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if(!date) date = new Date();
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let article = await this.getDatabase().one('addArticle', {
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handle, title, image, shortDescription, description, date
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});
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this.store.flush();//In future support my wildcard syntax to make this no longer necessary.
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return article;
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}
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async updateArticle(article) {
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let newArticle = await this.getDatabase().one('updateArticle', article);
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this.store.flush();
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return newArticle;
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}
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}
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