generic-repository/dist/implementations/seed.js

Generic repository pattern implementation for node.js. Currently supports mongo and in-memory(testing) databases.

"use strict";
Object.defineProperty(exports, "__esModule", { value: true });
class Seed {
    constructor(repo, identifier, seedFile) {
        this.repo = repo;
        this.identifier = identifier || '_name';
        this.seedFile = seedFile;
    }
    seed() {
        let _promises = Array();
        return this.repo.count().then(count => {
            if (this.shouldUpdateSeed(this.seedFile, count)) {
                return this.updateWithSeedData(this.seedFile, _promises);
            }
            else if (this.shouldInsertSeed(count)) {
                return this.insertSeedData(this.seedFile, _promises);
            }
            else {
                console.log('Resource is up-to-date, did not seed ' +
                    this.repo.Type.prototype.constructor.name + ' collection again.');
                return Promise.resolve([]);
            }
        });
    }
    updateWithSeedData(_data, _promises) {
        if (Array.isArray(_data.data)) {
            _promises.push(..._data.data.map((item) => {
                return this.updateWithDefaults(item);
            }));
        }
        else {
            _promises.push(this.updateWithDefaults(_data.data));
        }
        return Promise.all(_promises);
    }
    updateWithDefaults(item) {
        return this.repo.update({ [this.identifier]: item[this.identifier] }, item);
    }
    insertSeedData(_data, _promises) {
        if (Array.isArray(_data.data)) {
            _data.data.forEach((item) => {
                _promises.push(this.repo.insert(item));
            });
        }
        else {
            _promises.push(this.repo.insert(_data.data));
        }
        return Promise.all(_promises);
    }
    shouldUpdateSeed(_data, count) {
        if (count > 0 && _data.seedAlways) {
            return true;
        }
        else {
            return false;
        }
    }
    shouldInsertSeed(count) {
        if (count <= 0) {
            return true;
        }
        else {
            return false;
        }
    }
}
exports.default = Seed;