Added the list commands for both tasks and projects.

dolly/database.py

@@ -50,4 +50,16 @@ async def update_task(task_id, description, assignee, deadline, status, priority
         deadline_date = datetime.strptime(deadline, "%m/%d/%Y").date()
         await db.execute("UPDATE tasks SET description=?, assignee=?, deadline=?, status=?, priority=? WHERE id=?",
                          (description, assignee, deadline_date, status, priority, task_id))
-        await db.commit()
+        await db.commit()
+
+async def list_projects():
+    async with aiosqlite.connect(DATABASE) as db:
+        cursor = await db.execute("SELECT id, name, description FROM projects")
+        projects = await cursor.fetchall()
+        return projects
+
+async def list_tasks_for_project(project_id):
+    async with aiosqlite.connect(DATABASE) as db:
+        cursor = await db.execute("SELECT id, description, assignee, deadline, status, priority FROM tasks WHERE project_id = ?", (project_id,))
+        tasks = await cursor.fetchall()
+        return tasks