app/models/ApiResource.ts

import {Model} from "pinia-orm";

/**
 * Base class for resources that can be fetched from the API
 */
export class ApiResource extends Model {

    private _model: typeof ApiResource | undefined = undefined;
    static readonly relations: Record<string, ApiResource>

    public getModel() {
        return this._model
    }

    public setModel(model: typeof ApiResource) {
        this._model = model
    }

    public getRelations() {
        return this.relations
    }

    /**
     * Fix the 'Cannot stringify arbitrary non-POJOs' warning, meaning server can not parse the store
     *
     * @see https://github.com/vuex-orm/vuex-orm/issues/255#issuecomment-876378684
     */
    toJSON () {
        return { ...this }
    }

    /**
     * Is it a newly created entity?
     *
     * If it is, it means this entity does not exist in the data source and that it has a temporary id
     */
    public isNew(): boolean {
        return !this.id || (typeof this.id === 'string' && this.id.slice(0, 3) === 'tmp')
    }

    /**
     * Get the IRI of the Entity
     *
     * @see https://api-platform.com/docs/admin/handling-relations/
     */
    public getIRI() {
        return `/api/${this.entity}/${this.id}`
    }
}

export default ApiResource