Plug-In: Schedule Medication

This plug-in will create a project with sequential tasks for tracking doses during the course of a medication.

NOTE: The OmniFocus Voice Commands Collection contains a matching voice command for this plug-in.

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Schedule Medication
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/*{
	"type": "action",
	"targets": ["omnifocus"],
	"author": "Otto Automator",
	"identifier": "com.omni-automation.of.schedule-medication-course",
	"version": "1.0",
	"description": "Creates a project with sequential tasks for tracking the course of a medication.",
	"label": "Schedule Medication",
	"shortLabel": "Schedule Medication",
	"paletteLabel": "Schedule Medication",
	"image": "calendar.badge.clock"
}*/
(() => {
	const action = new PlugIn.Action(function(selection, sender){

		(async () => {

			var projectTitleField = new Form.Field.String(
				"projectTitle",
				"Medication Name",
				null,
				null
			)

			var startDayMenu = new Form.Field.Option(
				"startDay", 
				"Start", 
				["Today", "Tomorrow"], 
				["Today", "Tomorrow"], 
				"Today"
			)
	
			var times = ["1:00", "2:00", "3:00", "4:00", "5:00", "6:00", "7:00", "8:00", "9:00", "10:00", "11:00", "12:00"]
			var timeIndexes = times.map((item, index) => index)
			var timesMenu = new Form.Field.Option(
				"startTime", 
				"Initial Dose", 
				times, 
				times, 
				"1:00"
			)

			var meridiemMenu = new Form.Field.Option(
				"meridiemOption", 
				"AM/PM", 
				["AM", "PM"], 
				["AM", "PM"], 
				"AM"
			)
	
			var courseDurationMenu = new Form.Field.Option(
				"courseDuration", 
				"Number of Days", 
				["5", "7", "10", "12", "28", "30"], 
				["5", "7", "10", "12", "28", "30"], 
				"7"
			)
	
			var timesPerDayMenu = new Form.Field.Option(
				"timesPerDay", 
				"Times per Day", 
				["1", "2", "3", "4"], 
				["1", "2", "3", "4"], 
				"1"
			)

			var inputForm = new Form()
			inputForm.addField(projectTitleField)
			inputForm.addField(startDayMenu)
			inputForm.addField(timesMenu)
			inputForm.addField(meridiemMenu)
			inputForm.addField(courseDurationMenu)
			inputForm.addField(timesPerDayMenu)
	
			inputForm.validate = function(formObject){
				var projectTitle = formObject.values['projectTitle']
				return (!projectTitle) ? false:true
			}

			var formPrompt = "Select parameters for this medication:"
			var buttonTitle = "Continue"
			var formObject = await inputForm.show(formPrompt, buttonTitle)
	
			var projectTitle = formObject.values["projectTitle"]
			var startDay = formObject.values["startDay"]
			var startTime = formObject.values["startTime"]
			var meridiemOption = formObject.values["meridiemOption"]
	
			var targetDate = new Date()
			if (startDay === "Tomorrow"){
				targetDate = new Date(targetDate.setHours(24, 0, 0, 0))
			}
			var dateString = targetDate.toLocaleDateString()
			var startDueDate = new Date(dateString + " " + startTime + " " + meridiemOption)
	
			var courseDuration = Number(formObject.values["courseDuration"])
			var courseDurationString = String(courseDuration)
	
			var timesPerDay = Number(formObject.values["timesPerDay"])
			var timeInterval = 24 / timesPerDay
			var timeIntervalString = String(timeInterval)
	
			var dosageCount = courseDuration * timesPerDay
			var dosageCountString = String(dosageCount)
	
			var dc = Calendar.current.dateComponentsFromDate(startDueDate)
			dc.day = dc.day + courseDuration
			var completionDate = Calendar.current.dateFromDateComponents(dc)
			var completionDateString = completionDate.toLocaleDateString()
		
			var project = new Project(`${projectTitle} (${courseDurationString}-day to ${completionDateString})`)
			project.sequential = true
			project.completedByChildren = true
	
			var taskDueDateTime = startDueDate.getTime()
			var millisecondsToAdd = timeInterval * 3600000
	
			for (var i = 0; i < dosageCount; i++) {
				var task = new Task(`Dose ${i + 1}`, project)
				if (i !== 0){
					taskDueDateTime = taskDueDateTime + millisecondsToAdd
				}
				var newDueDate = new Date(taskDueDateTime)
				task.dueDate = newDueDate
			}
	
			document.windows[0].perspective = Perspective.BuiltIn.Projects
			document.windows[0].focus = [project]
		})().catch(err => {
			if (!err.message.includes("was cancelled")){
				new Alert(err.name, err.message).show()
			}
		})

	});

	action.validate = function(selection, sender){
		return true
	};
	
	return action;
})();