39 lines
1.1 KiB
JavaScript
39 lines
1.1 KiB
JavaScript
const errorHandling = require('../utils/errorHandling')
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const { serverError } = require('../config/errors')
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const helperQueryNumber = require('../utils/helperQueryNumber')
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const DEFAULT_OPTIONS = {
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order: [['createdAt', 'DESC']]
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}
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/**
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* @description Permet de faire un système de pagination sur un model Sequelize
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* @param {Object} Object { req, res, next }
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* @param {*} Model Model Sequelize
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* @param {Object} options Options avec clause where etc.
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*/
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async function getPagesHelper (
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{ req, res, next },
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Model,
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options = DEFAULT_OPTIONS
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) {
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const page = helperQueryNumber(req.query.page, 1)
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const limit = helperQueryNumber(req.query.limit, 10)
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const offset = (page - 1) * limit
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try {
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const result = await Model.findAndCountAll({
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limit,
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offset,
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...options
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})
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const { count, rows } = result
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const hasMore = page * limit < count
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return res.status(200).json({ totalItems: count, hasMore, rows })
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} catch (error) {
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console.log(error)
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return errorHandling(next, serverError)
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}
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}
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module.exports = getPagesHelper
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