Method inside actions is not working

1

I want to sort the column when I click event is triggering tried to pass the action in the send but it is not working

click: function () {
			if (!this.get('sortable') && !this.get('column.sortable')) {
				return;
			}
			this.get('controller').send('sort', this.get('column'));
			return false;
}

Sort method is not working

actions: {
			sort: function (column) {
				var current = this.get('model.sort');
				current = current ? current.split(':') : [ ];
				
				if (current[0] === column.name && current[1] === 'asc') {
					current = [column.name, 'desc'];
				} else if (current[0] === column.name && current[1] === 'desc') {
					current = [];
				} else {
					current = [ column.name, 'asc'];
				}
				current = current.join(':');
				this.set('model.sort', current);

			}	
		}

Please help me out