Cascade deleting

Fix bad note deleting when no ID specified

project.py

@@ -4,6 +4,8 @@ import datetime
 import logging
 import sys
 
+import task
+
 from action import record_action
 from action import set_active
 from action import TypeAction
@@ -149,12 +151,19 @@ def edit_project(project, project_id, conn):
 def delete_project(project_id, conn):
     logging.info(">> Remove project")
 
+    cursor = conn.cursor()
+
+    # Cascade deleting: task
+    query = "SELECT id FROM task WHERE project_id = ?;"
+    cursor.execute(query, (project_id,))
+    for row in cursor.fetchall():
+        task.delete_task(row[0], project_id, conn)
+
     query = """
     DELETE FROM project
     WHERE id = ?;
     """
 
-    cursor = conn.cursor()
     cursor.execute(query, (project_id,))
     if cursor.rowcount != 1:
         logging.error("DELETE FAILED")
@@ -162,7 +171,22 @@ def delete_project(project_id, conn):
 
     print("deleted project {}: {}".format(project_id, "project_name"))
     record_action(cursor, TypeAction.DELETE, "", project_id)
-    # TODO Cascade deleting
+    # TODO Good Output
+    # $ pit p -d
+    # deleted task 1: efzf (project: 1)
+    # deleted note 1: fzef (task 3)
+    # deleted note 2: efz (task 3)
+    # deleted task 3: efzfzefzef with 2 notes (project: 1)
+    # deleted note 4: gtrezgze (task 7)
+    # deleted note 5: fgzegfz (task 7)
+    # deleted task 7: test with 2 notes (project: 1)
+    # deleted task 9: a task (project: 1)
+    # deleted task 10: a task (project: 1)
+    # deleted note 6: test (task 11)
+    # deleted note 7: test (task 11)
+    # deleted note 8: test (task 11)
+    # deleted task 11: new name with 3 notes (project: 1)
+    # deleted project 1: test with 6 tasks
 
 
 def list_project(active_project_id, conn):