@russ-b/nestjs-common-tools/dist/common/pagination/pagination.js

NestJS utility tools

"use strict";
Object.defineProperty(exports, "__esModule", { value: true });
exports.Pagination = void 0;
const common_1 = require("@nestjs/common");
const out_of_range_exception_1 = require("./exceptions/out-of-range.exception");
class Pagination {
    static paginationParams(page, perPage) {
        return { perPage, offset: Pagination.offset(page, perPage) };
    }
    static offset(page, perPage) {
        return (page - 1) * perPage;
    }
    static createResponse({ page, perPage }, [data, total]) {
        const pages = Math.ceil(total / perPage);
        if (page > pages && pages > 0) {
            throw new out_of_range_exception_1.OutOfRangeException();
        }
        return {
            data,
            pagination: {
                total,
                pages,
                perPage,
                page,
            },
        };
    }
    static response({ page, perPage }, [data, total]) {
        const totalPages = Math.ceil(total / perPage);
        if (page > totalPages && totalPages > 0) {
            throw new common_1.BadRequestException('Page is out of range');
        }
        return {
            data,
            pagination: {
                totalItems: total,
                totalPages,
                perPage,
                page,
            },
        };
    }
}
exports.Pagination = Pagination;
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