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1 changed files with 17 additions and 30 deletions

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@ -1,33 +1,21 @@
const advancedResult =(model)=> async (req, res, next) => { const advancedResult =(model)=> async (req, res, next) => {
//search : l'information que je cherche //search : l'information que je cherche
//fields : les colonnes je veux utiliser pour la recherche //fields : les colonnes je veux utiliser pour la recherche
const fields = req.query.fields; //Permet de récupérer les champs qu'on va effectuer la recherche du front.
const search = req.query.search; //Permet de récupérer la recherche
let page = req.query.page; //Permet de récupérer la page actuelle
let limit = req.query.limit; //Permet de récupérer la page de limite
const fields = req.query.fields;
const search = req.query.search;
let page = req.query.page;
let rows = req.query.rows;
let reqQuery = {...req.query};
const noField = ['page','rows', 'fields', 'search','sort','select'];
noField.forEach(param=> delete reqQuery[param]);
//4. Create query string
let queryStr = JSON.stringify(reqQuery);
//5. Create operators mongo db query ['$lte'] = 30
queryStr = queryStr.replace(/\b(gt|gte|lt|lte|in|ne|or|nin)\b/g, match => `$${match}`);
let find = JSON.parse(queryStr);
console.log("varien", find);
let find = {}
//Recherche //Recherche
if (fields) { if (fields) {
//search = be
// mark , model, matrcle
//Recherche l'element search dans le tableau de propriété fields //Recherche l'element search dans le tableau de propriété fields
const query = { const query = {
//$or: c'est pour faire la recherche sur plusieurs champs, $regex : permet de stocker la recherche
//i : c'est pour mettre le texte insensible à la casse.
//-i: sensible à la casse.
$or: fields.map(property => ({ $or: fields.map(property => ({
[property]: {$regex: search, $options: 'i'} [property]: {$regex: search, $options: 'i'}
})) }))
@ -42,33 +30,32 @@ const advancedResult =(model)=> async (req, res, next) => {
} }
//Pagination //Pagination
page = parseInt(page, 10) || 0; page = parseInt(page, 10) || 1;
rows = parseInt(rows, 10) || 3000; limit = parseInt(limit, 10) || 3000;
const startIndex = page * rows; const startIndex = (page - 1) * limit; //1, 1-1 = 0
const endIndex = page * rows; const endIndex = page * limit;
const total = await model.find(find).countDocuments(); const total = await model.find(find).countDocuments();
//declaration //declaration
let query = model.find(find); let query = model.find(find);
query = query.skip(startIndex).limit(rows); // (5,8) 5,6,7,8,9,10,11, 12 query = query.skip(startIndex).limit(limit); // (5,8) 5,6,7,8,9,10,11, 12
//exécuté //exécuté
let results = await query; let results = await query;
const pagination = {}; const pagination = {};
if (endIndex < total) { if (endIndex < total) {
pagination.next = { pagination.next = {
page: page + 1, page: page + 1,
rows limit
}; };
} }
if (startIndex > 0) { if (startIndex > 0) {
pagination.prev = { pagination.prev = {
page: page - 1, page: page - 1,
rows limit
}; };
} }
@ -77,10 +64,10 @@ const advancedResult =(model)=> async (req, res, next) => {
count: results.length, count: results.length,
pagination: pagination, pagination: pagination,
data: results, data: results,
startIndex: startIndex, startIndex: startIndex + 1,
endIndex: results.length, endIndex: results.length,
totalRecords: total, totalRecords: total,
rows: Number(rows), limit: Number(limit),
page: page page: page
}; };
next(); next();