anylist/lib/meal-planning-calendar-event.js

📋 a wrapper for AnyList's API (unoffical, reverse engineered)

const FormData = require('form-data');
const uuid = require('./uuid');

/// <reference path="./meal-planning-calendar-label.js" />
/// <reference path="./recipe.js" />

/**
 * Meal Planning Calendar Event class.
 * @class
 *
 * @param {object} event event
 * @param {object[]} labels labels
 * @param {object} context context
 *
 * @property {string} identifier
 * @property {string} calendarId
 * @property {Date} date
 * @property {string=} details
 * @property {string=} labelId
 * @property {MealPlanningCalendarEventLabel=} label
 * @property {number=} logicalTimestamp
 * @property {number=} orderAddedSortIndex
 * @property {string=} recipeId
 * @property {Recipe=} recipe
 * @property {number=} recipeScaleFactor
 * @property {string=} title
 */
class MealPlanningCalendarEvent {
	/**
   * @hideconstructor
   */
	constructor(event, {client, protobuf, uid, calendarId}) {
		this.identifier = event.identifier || uuid();
		this.date = typeof event.date === 'string' ? new Date(event.date) : event.date || new Date();
		this.details = event.details;
		this.labelId = event.labelId;
		this.logicalTimestamp = event.logicalTimestamp;
		this.orderAddedSortIndex = event.orderAddedSortIndex;
		this.recipeId = event.recipeId;
		this.recipeScaleFactor = event.recipeScaleFactor;
		this.title = event.title;
		this.recipe = null;
		this.label = null;

		this._client = client;
		this._protobuf = protobuf;
		this._uid = uid;
		this._isNew = !event.identifier;
		this._calendarId = calendarId;
	}

	toJSON() {
		return {
			identifier: this.identifier,
			logicalTimestamp: this.logicalTimestamp,
			calendarId: this._calendarId,
			date: this.date,
			title: this.title,
			details: this.details,
			recipeId: this.recipeId,
			labelId: this.labelId,
			orderAddedSortIndex: this.orderAddedSortIndex,
			labelSortIndex: this.labelSortIndex,
			recipeScaleFactor: this.recipeScaleFactor,
		};
	}

	_encode() {
		return new this._protobuf.PBCalendarEvent({
			identifier: this.identifier,
			logicalTimestamp: this.logicalTimestamp,
			calendarId: this._calendarId,
			date: this.date.toISOString().slice(0, 10), // Only date, no time
			title: this.title,
			details: this.details,
			recipeId: this.recipeId,
			labelId: this.labelId,
			orderAddedSortIndex: this.orderAddedSortIndex,
			labelSortIndex: this.labelSortIndex,
			recipeScaleFactor: this.recipeScaleFactor,
		});
	}

	/**
	 * Perform a recipe operation.
	 * @private
	 * @param {string} handlerId - Handler ID for the operation
	 * @returns {Promise} - Promise representing the operation result
	 */
	async performOperation(handlerId) {
		const ops = new this._protobuf.PBCalendarOperationList();
		const op = new this._protobuf.PBCalendarOperation();

		op.setMetadata({
			operationId: uuid(),
			handlerId,
			userId: this._uid,
		});

		op.setCalendarId(this._calendarId);
		op.setUpdatedEvent(this._encode());
		ops.setOperations([op]);

		const form = new FormData();

		form.append('operations', ops.toBuffer());
		await this._client.post('data/meal-planning-calendar/update', {
			body: form,
		});
	}

	/**
	 * Save local changes to the calendar event to AnyList's API.
	 * @return {Promise}
	 */
	async save() {
		const operation = this._isNew ? 'new-event' : 'set-event-details';
		await this.performOperation(operation);
	}

	/**
	 * Delete this event from the calendar via AnyList's API.
	 * @return {Promise}
	 */
	async delete() {
		await this.performOperation('delete-event');
	}
}

module.exports = MealPlanningCalendarEvent;