huddle-record/lib/src/orm/model.js

Record is a Object-Relational Mapping (ORM) TypeScript plugin that makes it easy to work with data.

export default class Model {
    model;
    id = -Math.floor(Math.random());
    _created = false;
    constructor(model, map) {
        this.model = model;
        this.beforeCreate(map);
        setTimeout(() => {
            this._created = true;
            this.afterCreate(this);
        }, 0);
    }
    save() {
        // this could call the save() method on the api, allowing for direct calling of save() on an instance of a model
        // instead of having to use the model class
        return this.model.api.save();
    }
    setupRelation(model, data) {
        // , key: string
        if (data) {
            // delete all existing relations
            // (model.store as Repository<T>).query().where(key, this.id).delete();
            // add new relations
            model.store.transform(data, {
                save: true,
                replace: true,
                prepend: false,
            });
        }
    }
    belongsTo(model, id) {
        return id ? model.store.find(id) : null;
    }
    hasMany(model, key) {
        return model.store.query().where(key, this.id).get();
    }
    has(key) {
        const field = this[key];
        return typeof field !== 'undefined' && typeof field !== null;
    }
    /*
     * TODO: before & after events should be cancellable, so logic for creating/updating should be handled here
     * instead of directly in the repository
     */
    beforeCreate(map) {
        //
    }
    afterCreate(instance) {
        //
    }
    beforeDelete() {
        //
    }
    afterDelete() {
        //
    }
    beforeUpdate(map) {
        //
    }
    afterUpdate(instance) {
        //
    }
}