ClearController done, woohoo!

CS2103AUG2016-F11-C1 · Nov 5, 2016 · 72e7f3d · 72e7f3d
1 parent 7dbb0da
commit 72e7f3d
Showing 1 changed file with 41 additions and 1 deletion.
diff --git a/src/main/java/seedu/todo/controllers/ClearController.java b/src/main/java/seedu/todo/controllers/ClearController.java
@@ -1,9 +1,16 @@
 package seedu.todo.controllers;
 
+import java.util.ArrayList;
+import java.util.List;
 import java.util.Map;
 
+import seedu.todo.commons.exceptions.InvalidNaturalDateException;
 import seedu.todo.commons.exceptions.ParseException;
+import seedu.todo.controllers.concerns.CalendarItemFilter;
+import seedu.todo.controllers.concerns.Renderer;
 import seedu.todo.controllers.concerns.Tokenizer;
+import seedu.todo.models.Event;
+import seedu.todo.models.Task;
 import seedu.todo.models.TodoListDB;
 
 /**
@@ -18,7 +25,7 @@ public class ClearController implements Controller {
     private static final String DESCRIPTION = "Clear all tasks/events or by specify date.";
     private static final String COMMAND_SYNTAX = "clear [task/event] [on date]";
     private static final String COMMAND_WORD = "clear";
-    private static final String MESSAGE_CLEAR_NO_ITEM_FOUND = "No item found!";
+    private static final String MESSAGE_CLEAR_NO_ITEMS_FOUND = "No items found!";
     private static final String MESSAGE_CLEAR_SUCCESS = "A total of %s deleted!\n" + "To undo, type \"undo\".";
 
     private static CommandDefinition commandDefinition =
@@ -35,6 +42,39 @@ public float inputConfidence(String input) {
 
     @Override
     public void process(String input) throws ParseException {
+        // Tokenize input
+        Map<String, String[]> parsedResult =
+                Tokenizer.tokenize(CalendarItemFilter.getFilterTokenDefinitions(), input);
 
+        // Decide if task/event/both
+        boolean[] isTaskEvent = CalendarItemFilter.parseIsTaskEvent(parsedResult);
+        boolean filterTask = isTaskEvent[0];
+        boolean filterEvent = isTaskEvent[1];
+
+        List<Task> clearTasks = new ArrayList<Task>();
+        List<Event> clearEvents = new ArrayList<Event>();
+        try {
+            if (filterTask) {
+                clearTasks = CalendarItemFilter.filterTasks(parsedResult);
+            }
+            if (filterEvent) {
+                clearEvents = CalendarItemFilter.filterEvents(parsedResult);
+            }
+        } catch (InvalidNaturalDateException e) {
+            renderDisambiguation(parsedResult);
+            return;
+        }
+
+        // Clear them all!
+        TodoListDB db = TodoListDB.getInstance();
+        db.destroyTasks(clearTasks);
+        db.destroyEvents(clearEvents);
+        db.save();
+
+        Renderer.renderIndex(db, "Done!");
+    }
+
+    private void renderDisambiguation(Map<String, String[]> parsedResult) {
+        return;
     }
 }