iagate-querykit/dist/model.js

QueryKit: lightweight TypeScript query toolkit with models, views, triggers, events, scheduler and adapters (better-sqlite3).

import { QueryBuilder } from './query-builder';
import { runSeed } from './seed';
export class Model {
    static tableName;
    static banks;
    banks;
    fillable = [];
    guarded = ['id', 'created_at', 'updated_at'];
    static query() {
        const qb = new QueryBuilder(this.tableName);
        const banks = this.banks;
        if (banks && banks.length)
            qb.bank(banks);
        return qb;
    }
    static withRelations(selector) {
        const qb = this.query().relationship(selector);
        return qb;
    }
    static async seed(dataOrSeed, opts = {}) {
        return runSeed(this.tableName, dataOrSeed, opts);
    }
    bank(bankOrBanks) {
        this.banks = Array.isArray(bankOrBanks) ? bankOrBanks : [bankOrBanks];
        return this;
    }
    applyBanks(qb) {
        if (this.banks && this.banks.length)
            return qb.bank(this.banks);
        return qb;
    }
    fill(attributes) {
        const fillableAttributes = this.getFillableAttributes(attributes);
        Object.assign(this, fillableAttributes);
    }
    getFillableAttributes(attributes) {
        if (this.fillable.length > 0) {
            const result = {};
            this.fillable.forEach(key => { if (attributes[key] !== undefined)
                result[key] = attributes[key]; });
            return result;
        }
        if (this.guarded.length > 0) {
            const result = { ...attributes };
            this.guarded.forEach(key => { delete result[key]; });
            return result;
        }
        return attributes;
    }
    save() {
        const queryBase = this.constructor.query();
        const query = this.applyBanks(queryBase);
        const attributes = this.getFillableAttributes(this);
        if (this.id) {
            return query.where('id', '=', this.id).update(attributes).make();
        }
        return query.insert(attributes).make();
    }
    delete() {
        const queryBase = this.constructor.query();
        const query = this.applyBanks(queryBase);
        return query.where('id', '=', this.id).delete().make();
    }
}