script

// list to todoist

// ----------------------------------------------------------------------------------------
// start of user definitions

// the uuid of the draft which contains the list. The list is considered to have a special "syntax" syntax is shown after the user definitions
const uuidOfSourceDraft = "[uuid of source draft]"

// this is the general name of the project in todoist, if you type a name into the prompt, this configured name will be appended after oyur given name (e.g. if you make a trip to "Big Sur" and type this into the prompt, the todoist project will be called "Big Sur - Packing List"
const listNameForProject = "Packing List"

// todoist REST API limit (https://developer.todoist.com/rest/v1/?python#limits)
// needed to calculate a sleep time between the requests to the API, to be able to create every task on the list
const todoistApiLimitPerMinute = 50
// end of user definitions
// ----------------------------------------------------------------------------------------

// required "syntax" / format of the source draft
/* ----------------------------------------------------------------------------------------
[any title line]				- this line will be ignored, its just your title for the list
[maybe empty line]				- any empty line in the source draft will be stripped by a regex replacement
## [subheading 1]				- this subheader is the first parent task
- [ ] [item 1 of subheading 1]	- this will be the first subtask of the previous subheading
- [ ] [item x of subheading 1]	- this will be the xth subtask of the previous subheading
[maybe empty line]				- any empty line in the source draft will be stripped by a regex replacement
## [subheading y]				- this subheader is the yth parent task
- [ ] [item 1 of subheading y]	- this will be the first subtask of the subheading y
---------------------------------------------------------------------------------------- */
// you can of course use several subheadings to create as many parent tasks with subtasks as you want.
// if you dont want to use a parent task at all, dont create subheadings in your draft
// all subheadings will be created as tasks with the subheading as content in bold



const listDraft = Draft.find(uuidOfSourceDraft);
const listContent = listDraft.content

var tasksText = listContent

// remove all empty lines in text
tasksText = tasksText.replace(/^\s*[\r\n]/gm, "")

// remove title of draft
tasksText = tasksText.split("\n").slice(1).join("\n")

// replace all "## " and write the category in bold - marks a parent task
tasksText = tasksText.replace(/##\s([^\n]+)/gm, `**$1**`)

// replace all "- [ ] " with "" -> get rid of the taskboxes
tasksText = tasksText.replace(/-\s\[[\sx]\]\s/gm, "")
var tasks = tasksText.split("\n")

let taskAmount = tasks.length - 1 // -1 because last line after split is empty (most times, does not matter in the end since this is just a rough calculation
var millisecondsPerTask = 0
var millisecondsPerTaskNoProcessTime = 500
if (taskAmount <= todoistApiLimitPerMinute) {
// just an estimation and hopefully todoist is faster than this - just a rough calculation
} else {
    let minutesNeeded = taskAmount / todoistApiLimitPerMinute
    let millisecondsNeeded = minutesNeeded * 60 * 1000
    // just an estimation and hopefully todoist is faster than this - just a rough calculation
    let processTimePerTaskInMilliseconds = 500
    let millisecondsPerTaskNoProcessTime = millisecondsNeeded / taskAmount
    let millisecondsPerTask = (millisecondsNeeded / taskAmount) - processTimePerTaskInMilliseconds
}

// ask for name of new project with a prompt
// Prompt

var p = Prompt.create();
p.title = "Project name";
p.message = "name your trip";

p.addTextField("projectName", "name:", "");
p.addButton("Go");

var con = p.show();

var projectName = ""
if (con) {
    projectName = p.fieldValues["projectName"];
}

if (projectName == "") {
    projectName += listNameForProject
} else {
    projectName += " - " + listNameForProject
}

// create Todoist object and new project
let todoist = Todoist.create()

// create project
var projectToCreate = {
    "name": projectName,
    "color": 41
};

var projectResult = todoist.createProject(projectToCreate)
let projectID = projectResult["id"];


var parentTaskID = -1
var createdTasks = 0
for (nTask of tasks) {
    if (nTask.length != 0) {

        if (nTask.startsWith("**")) {
            // its a new parent task
            // create task and store new parent task id
            parentTaskID = createTask(nTask, -1)
        } else {
            // its a (sub) task
            if (parentTaskID == -1) {
                // parentTaskID is not set, create a "normal" task
                createTask(nTask, -1)
            } else {
                // parentTaskID is set, use it as parent for the new task
                createTask(nTask, parentTaskID)
            }
        }

        createdTasks++;
        if (createdTasks % 5 == 0) {
            let remainingTime = ((taskAmount - createdTasks) * millisecondsPerTaskNoProcessTime) / 1000
            let infoMessage = createdTasks + " tasks created, " + remainingTime + "s remaining"
            app.displayInfoMessage(infoMessage)
        }
        sleep(millisecondsPerTask)
    }

}


function createTask(content, parentTaskID) {
    if (parentTaskID == -1) {
        // no parentTaskID given
        var taskToCreate = {
            "content": content,
            "project_id": parseInt(projectID)
        };

    } else {
        // task witn parent
        var taskToCreate = {
            "content": content,
            "project_id": parseInt(projectID),
            "parent_id": parentTaskID
        };
    }
    let task = todoist.createTask(taskToCreate);
    if (!todoist.lastError) {
        return task["id"]
    } else {
        logMessage = "failed adding task: " + content + " with error message " + todoist.lastError + " :(";
        context.fail(logMessage);
    }
}

function sleep(milliseconds) {
    const date = Date.now();
    let currentDate = null;
    do {
        currentDate = Date.now();
    } while (currentDate - date < milliseconds);
}