@syngrisi/syngrisi
Version:
Syngrisi - Visual Testing Tool
53 lines • 2.2 kB
JavaScript
// src/server/models/plugins/paginate.plugin.ts
var paginate = (schema) => {
schema.statics.paginate = async function(filter, options) {
let sort;
if (options.sortBy) {
const sortingCriteria = [];
let primaryOrder = "desc";
options.sortBy.split(",").forEach((sortOption, index) => {
const [key, order] = sortOption.split(":");
if (index === 0) primaryOrder = order || "asc";
sortingCriteria.push((order === "desc" ? "-" : "") + key);
});
if (!sortingCriteria.some((s) => s === "_id" || s === "-_id")) {
sortingCriteria.push((primaryOrder === "desc" ? "-" : "") + "_id");
}
sort = sortingCriteria.join(" ");
} else {
sort = { _id: -1 };
}
const limit = options.limit && parseInt(options.limit.toString(), 10) >= 0 ? parseInt(options.limit.toString(), 10) : 10;
const page = options.page && parseInt(options.page.toString(), 10) > 0 ? parseInt(options.page.toString(), 10) : 1;
const skip = (page - 1) * limit;
const countStrategy = options.countStrategy ?? (filter && Object.keys(filter).length === 0 ? "estimated" : "exact");
const countPromise = countStrategy === "estimated" ? this.estimatedDocumentCount().exec() : this.countDocuments(filter).exec();
let docsPromise = this.find(filter).sort(sort).skip(skip).limit(limit);
if (options.populate) {
options.populate.split(",").forEach((populateOption) => {
docsPromise = docsPromise.populate(
populateOption.split(".").reverse().reduce((a, b) => ({ path: b, populate: a }))
);
});
}
docsPromise = docsPromise.exec();
return Promise.all([countPromise, docsPromise]).then((values) => {
const [totalResults, results] = values;
const totalPages = Math.ceil(totalResults / limit);
const result = {
results,
page,
limit,
totalPages,
totalResults,
timestamp: Number(Date.now() + String(process.hrtime()[1]).slice(3, 6))
};
return Promise.resolve(result);
});
};
};
var paginate_plugin_default = paginate;
export {
paginate_plugin_default as default
};
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