mongoose-aggregate-big-data-paginate

this package will use for big data that mongo can't handle or count with aggregate.

Installation

npm install mongoose-aggregate-big-data-paginate
yarn add mongoose-aggregate-big-data-paginate

Usage

Adding the plugin to a schema,

var mongoose = require("mongoose");
var aggregatePages = require("mongoose-aggregate-big-data-paginate");

var schema = new mongoose.Schema({});

schema.plugin(aggregatePages);

var model = mongoose.model("Model", schema);

and then use model aggregatePage method,

// as Promise

var Model = require("/models/model");

const options = {
  page: 1,
  limit: 10,
};

var myAggregate = myModel.aggregate();
myModel
  .aggregatePage(myAggregate, options)
  .then(function (results) {
    console.log(results);
  })
  .catch(function (err) {
    console.log(err);
  });

Model.aggregatePaginate([aggregateQuery], [options])

Returns promise

Parameters

• [aggregate-query] {Object} - Aggregate Query criteria. Documentation
• [options] {Object}
  • [page] {Number} - Current Page (Defaut: 1)
  • [limit] {Number} - Docs. per page (Default: 10).

Return value

Promise fulfilled with object having properties:

• docs {Array} - Array of documents
• totalDocs {Number} - Total number of documents that match a query
• totalPages {Number} - Total number of pages.
• pages {Array} - All 5 pages

Please note that the above properties can be renamed by setting customLabels attribute.