Test: Shopping List (merge)

script

// shopping list: finding and merging shopping lists
//TODO: remove watch tag
// ignore processed notes 

const constraints = 
{
  tag_master : "shopping_master",
  title_master : "# Shopping",
  prefix : "", // "- [ ]"
  tag_watch : "watch",
  merged_tag : "shopping_merged",
  dismissed_tag : "shopping_dismissed",
  
  remove_watch_tag : true,
  max_lines : 5,
  max_line_lenght : 42,
  look_in : "inbox" // archive, flagged, trash, all
} 

function get_items( p_constraints )
{ 
  var match_list = "";
  var data_list = Draft.query( "", p_constraints.look_in, [p_constraints.tag_watch], [p_constraints.merged_tag, p_constraints.dismissed_tag]);
  
  for( var index in data_list )
  {
      var draft_candidate = data_list[index];
      var content_lines = draft_candidate.lines
      var max_line_length = 0;
      for( var line_index in content_lines)
      {
         var active_length = content_lines[line_index].length;
         if(  max_line_length < active_length )
         {
              max_line_length = active_length;
         }
      }
      
      
      if( content_lines.length < p_constraints.max_lines 
          && max_line_length < p_constraints.max_line_lenght)
      {
        draft_candidate.addTag(p_constraints.merged_tag);
        draft_candidate.removeTag(p_constraints.watch_tag);
        
      	for( var line_index in content_lines)
      	{
      	  var active_item = content_lines[line_index];
      	  if( active_item.length > 0 )
      	  {
           	match_list += p_constraints.prefix+ content_lines[line_index] + "\n";
           }
  		   }
  		 }
  		 else
  		 { 
  draft_candidate.addTag(p_constraints.dismissed_tag);
  		   
  	draft_candidate.removeTag(p_constraints.watch_tag);
       }
       draft_candidate.update();
  	}
  return match_list;
}

var items = get_items( constraints );
alert(items);

// put this into the shopping list draft

var shopping_list = Draft.query( "", "all", [constraints.tag_master])[0];

if(shopping_list == null) 
{ 
  shopping_list = new Draft();
  shopping_list.addTag(constraints.tag_master);
  shopping_list.content = constraints.title_master;
}

shopping_list.append(items);
shopping_list.update();