addTaskToCalendarIcs.omnifocusjs

/* global PlugIn */
/* eslint spaced-comment: ["error", "always", { "exceptions": ["{"] }] */
/*{
	"type": "action",
	"targets": ["omnifocus"],
	"author": "Mark E. Schill",
	"identifier": "net.cmschill.addTaskToCalendarIcs",
	"version": "0.0.1",
	"description": "This action will create an iCal (ics) file in the OmniFocus documents folder, matching the parameters of the currently selected task. On macOS, the file will be automatically opened causing the Calendar application to present a new event dialog.",
	"label": "Schedule Task (ICS)",
	"shortLabel": "iCal File",
	"image": "calendar.badge.plus"
}*/
(() => {
  function uuidv4() {
    return "xxxxxxxx-xxxx-4xxx-yxxx-xxxxxxxxxxxx".replace(
      /[xy]/g,
      function (c) {
        var r = (Math.random() * 16) | 0,
          v = c == "x" ? r : (r & 0x3) | 0x8;
        return v.toString(16);
      }
    );
  }

  function dateToCalDateStamp(date) {
    var dateStamp = date
      .toISOString()
      .split("-")
      .join("")
      .split(":")
      .join("")
      .replace(".", "");
    dateStamp = dateStamp.substring(0, dateStamp.length - 4) + "Z";
    return dateStamp;
  }

  const action = new PlugIn.Action(async function (selection, sender) {
    task = selection.tasks[0];

    taskID = task.id.primaryKey;
    taskURL = "omnifocus:///task/" + taskID;
    taskTitle = task.name;
    taskNote = task.note;
    if (!taskNote) {
      taskNote = "";
    } else {
      // Replace CR+LF and LF newlines with \n for iCal format
      taskNote = taskNote.replace(/\n/g, "\\n");
    }

    /*
taskDueDateStamp = dateToCalDateStamp(task.dueDate)
			taskDuration = task.estimatedMinutes
			if (!taskDuration){taskDuration = 60}
			taskEndDate = task.dueDate
			taskEndDate = new Date(
				taskEndDate.setMinutes(taskEndDate.getMinutes() + taskDuration)
			)
			taskEndDateStamp = dateToCalDateStamp(taskEndDate)
			dateStamp = dateToCalDateStamp(new Date())
			uid = uuidv4()
      */

    eventStartDate = new Date();
    eventEndDate = new Date();
    taskDuration = task.estimatedMinutes;

    console.log("duration:", taskDuration);

    if (task.dueDate) {
      taskEndDate = task.dueDate;
      taskStartDate = task.dueDate;
      eventStartDate = new Date(
        taskStartDate.setMinutes(taskStartDate.getMinutes() - taskDuration)
      );
      eventEndDate = new Date(taskEndDate.setMinutes(taskEndDate.getMinutes()));
    }

    uid = uuidv4();

    console.log("eventStartDate:", eventStartDate);
    console.log("eventEndDate:", eventEndDate);

    var startDateField = new Form.Field.Date(
      "startDateTime",
      "Starting Time",
      eventStartDate
    );
    var endDateField = new Form.Field.Date(
      "endDateTime",
      "Ending Time",
      eventEndDate
    );

    var inputForm = new Form();
    inputForm.addField(startDateField);
    inputForm.addField(endDateField);

    var formPrompt = "Enter event details:";
    var buttonTitle = "Continue";
    var formPromise = inputForm.show(formPrompt, buttonTitle);

    inputForm.validate = function (formObject) {
      startDateObject = formObject.values["startDateTime"];
      endDateObject = formObject.values["endDateTime"];
      //--> "2019-01-19T08:00:00.000Z"

      // IS THE PROVIDED DATE LATER THAN NOW?
      startDateStatus = startDateObject && startDateObject > new Date();
      console.log("startDateStatus", startDateStatus);
      endDateStatus = endDateObject && endDateObject > new Date();
      console.log("EndDateStatus", endDateStatus);
      positiveTime = startDateObject < endDateObject;
      console.log("positiveTime", positiveTime);
      validation =
        startDateStatus && endDateStatus && positiveTime ? true : false;

      return validation;
    };

    formPromise.then(function (formObject) {
      eventStartDateStamp = dateToCalDateStamp(
        formObject.values["startDateTime"]
      );
      eventEndDateStamp = dateToCalDateStamp(formObject.values["endDateTime"]);
      currentDateStamp = dateToCalDateStamp(new Date());

      calEventString = `BEGIN:VCALENDAR
VERSION:2.0
PRODID:-//omni-automation.com
METHOD:PUBLISH
BEGIN:VEVENT
SUMMARY:${taskTitle}
UID:${uid}
SEQUENCE:1711996889
DTSTART:${eventStartDateStamp}
DTEND:${eventEndDateStamp}
DTSTAMP:${currentDateStamp}
STATUS:CONFIRMED
CATEGORIES:Block Scheduling
LOCATION:OmniFocus
DESCRIPTION:${taskNote}
URL:${taskURL}
BEGIN:VALARM
DESCRIPTION:REMINDER
TRIGGER;RELATED=START:P
ACTION:DISPLAY
END:VALARM
END:VEVENT
END:VCALENDAR`;

      console.log(calEventString);

      filename = "event.ics";
      textData = Data.fromString(calEventString);
      wrapper = FileWrapper.withContents(filename, textData);

      folderURL = URL.documentsDirectory;
      fileURL = folderURL.appendingPathComponent(filename);

      wrapper.write(fileURL, [FileWrapper.WritingOptions.Atomic], null);

      if (Device.current.mac) {
        fileURL.open();
      }
    });
  });

  action.validate = function (selection, sender) {
    return selection.tasks.length === 1;
  };

  return action;
})();