74 lines
1.7 KiB
JavaScript
74 lines
1.7 KiB
JavaScript
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const advancedResult =(model)=> async (req, res, next) => {
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//search : l'information que je cherche
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//fields : les colonnes je veux utiliser pour la recherche
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const fields = req.query.fields;
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const search = req.query.search;
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let page = req.query.page;
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let limit = req.query.limit;
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let find = {}
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//Recherche
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if (fields) {
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//Recherche l'element search dans le tableau de propriété fields
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const query = {
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$or: fields.map(property => ({
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[property]: {$regex: search, $options: 'i'}
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}))
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};
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find = {
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$and: [
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find,
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query,
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]
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};
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}
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//Pagination
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page = parseInt(page, 10) || 1;
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limit = parseInt(limit, 10) || 3000;
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const startIndex = (page - 1) * limit; //1, 1-1 = 0
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const endIndex = page * limit;
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const total = await model.find(find).countDocuments();
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//declaration
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let query = model.find(find);
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query = query.skip(startIndex).limit(limit); // (5,8) 5,6,7,8,9,10,11, 12
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//exécuté
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let results = await query;
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const pagination = {};
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if (endIndex < total) {
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pagination.next = {
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page: page + 1,
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limit
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};
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}
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if (startIndex > 0) {
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pagination.prev = {
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page: page - 1,
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limit
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};
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}
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res.advancedResults = {
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success: true,
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count: results.length,
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pagination: pagination,
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data: results,
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startIndex: startIndex + 1,
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endIndex: results.length,
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totalRecords: total,
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limit: Number(limit),
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page: page
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};
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next();
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};
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module.exports = advancedResult;
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