Add the Tasks model to manage tasks.

CHANGELOG.org

@@ -34,4 +34,6 @@
    Update the database to use Postgres.
 ** 0.3.9 <2023-07-24 Mon>
    Add the CI/CD configuration.
+** 0.3.10 <2023-07-24 Mon>
+   Add the Tasks model to manage tasks.
 

tasks/models.py

@@ -45,3 +45,8 @@ class Task(models.Model):
         self.status = self.circular_next_status()
         self.save()
 
+class Tasks:
+    @staticmethod
+    def get_count_by_status(status: str):
+        return Task.objects.filter(status=status).count()
+

tasks/tests/test_task.py

@@ -1,5 +1,5 @@
 from django.test import TestCase
-from tasks.models import Task, Tasks
+from tasks.models import Task
 
 class TaskTestCase(TestCase):
     def setUp(self):

tasks/tests/test_tasks.py

@@ -0,0 +1,29 @@
+from django.test import TestCase
+from tasks.models import Task, Tasks
+
+class TasksTestCase(TestCase):
+    todo_count = 2
+    doing_count = 3
+    done_count = 4
+    cancel_count = 1
+
+    def setUp(self):
+        names = [f"Test Task {i}" for i in range(10)]
+        description = ""
+
+        statuses = ["TODO"] * self.todo_count
+        statuses += ["DOING"] * self.doing_count
+        statuses += ["DONE"] * self.done_count
+        statuses += ["CANCELED"] * self.cancel_count
+
+        tasks = [
+            Task(name=name, description=description, status=status)
+            for name, status in zip(names, statuses)
+        ]
+
+        Task.objects.bulk_create(tasks)
+
+    def test_done_count(self):
+        count = Tasks.get_count_by_status("DONE")
+        self.assertEqual(count, self.done_count)
+