of3-reorder-task-tags.js.scpt

var app = Application('OmniFocus');
app.includeStandardAdditions = true;
var doc = app.defaultDocument;

var properRootTagOrder = getActiveRootOrderedTags(doc)

var content = doc.documentWindows.at(0).content;
var selectedTree = content.selectedTrees();
var selectedLen = selectedTree.length;
var totalTasks = 0;
var totalReorderedTasks = 0;

var tasks = [];
for (var i=0;i < selectedLen; i++) {
  try{
    var task = selectedTree[i];
    tasks.push(task);
    totalTasks = totalTasks + 1;
  }catch(e) {
    if (e.message === "User canceled.") {
      break; //get out of the loop (end the program)
    } else {
      // app.displayDialog("[Exception] Content Selected index [" + i + "] is not a task: " + e);	
    }
  }
} 

tasks.forEach(task => {
  applyProperOrderToTask(task, properRootTagOrder);
});

function applyProperOrderToTask(task, properRootTagOrder) {
  var tags = task.value().tags()
  var thisDictRootTags = {}
  tags.forEach(tag => {
    //app.displayDialog("tag: " + tag.name())
    thisRootTag = getRootTag(tag)
    //app.displayDialog("root tag: " + thisRootTag.name())
    if (!(thisRootTag.id() in thisDictRootTags)) {
      thisDictRootTags[thisRootTag.id()] = []
      thisDictRootTags[thisRootTag.id()].push(tag)
    } else {
      thisDictRootTags[thisRootTag.id()].push(tag)
    }
  });
  var properlyOrderedTags = []
  properRootTagOrder.forEach( rootTag => { 
    if (rootTag.id() in thisDictRootTags) {
      thisDictRootTags[rootTag.id()].forEach(tag => {
        properlyOrderedTags.push(tag)
      });
    }
  });
  var properlyOrderedTagsStr = tagsNamesAsString(properlyOrderedTags)
  var tagsStr = tagsNamesAsString(tags)
  if (properlyOrderedTagsStr !== tagsStr) {
    //TODO: Apply actual change to task
    //Something like this but in Javascript https://github.com/Rahlir/OmniFocusScripts/blob/31c0e78210ab069e78011597abb54a10f367f2cb/Sort%20Tags/sorttags.applescript#L15
    //Logically I want to do something like this but the below does not work
    // task.value().tags.remove(tags) //Remove the original unsorted tags
    // task.value().tags.add(properlyOrderedTags) //Replace with the newly sorted orginal tags
    totalReorderedTasks = totalReorderedTasks + 1
    app.displayDialog("task '" + task.name()+ "' ordered tags [" + properlyOrderedTagsStr + "]")
  }
}

function getRootTag(tag){
  parentTag = tag.container()
  if (parentTag.name().trim() === "OmniFocus") {
    return tag
  }
  return getRootTag(parentTag)
}

//app.displayDialog(tagsNamesAsString(rootTags))

function getActiveRootOrderedTags() {
  var allTags = doc.flattenedTags();
  var answer = ""
  var answer = []
  allTags.forEach(tag => {
    if (tag.container() !== null) {
      if (tag.container().name().trim() === "OmniFocus") {
        if (!tag.hidden()) {
          answer.push(tag);
        }
      }
    }
  });
  return answer
}

function tagsNamesAsString(tags) {
  if (tags === null) {
    return "";
  }
  var answer = ""
  tags.forEach(tag => {
    if (answer === "") {
      answer = tag.name()
    } else {
      answer = answer + ", " + tag.name()
    }
  });
  return answer
}

app.displayDialog("Reordered " + totalReorderedTasks + " tasks from " + totalTasks +  " candidate tasks")