serviceの機能を作成

bee_slack_app/service/home.py

@@ -0,0 +1,27 @@
+from typing import Any
+
+from bee_slack_app.repository.review_repository import ReviewRepository
+
+
+def home(logger: Any) -> int:
+    """
+    ホーム画面に表示するレビュー投稿数を返却する
+
+    Args:
+        なし
+
+    Returns:
+        review_count_all: レビュー投稿数。取得できない場合は、0が返る。
+    """
+    print("home_start")
+    try:
+        items = ReviewRepository().get_some()
+        print(items)
+        review_count_all = 0
+        if items is not None:
+            review_count_all = len(items)
+        return review_count_all
+
+    except Exception:  # pylint: disable=broad-except
+        logger.exception("Failed to get data.")
+        return 0

bee_slack_app/service/test_home.py

@@ -0,0 +1,44 @@
+# pylint: disable=non-ascii-name
+
+from logging import getLogger
+
+from bee_slack_app.repository.review_repository import ReviewRepository
+from bee_slack_app.service.home import home
+
+
+def test_レビュー投稿数を取得できること(monkeypatch):
+
+    items = [
+        {
+            "user_id": "user_id_0",
+            "isbn": "12345",
+            "book_title": "仕事ではじめる機械学習",
+            "score_for_me": "3",
+            "score_for_others": "5",
+            "review_comment": "とても良いです",
+            "book_image_url": "dummy_book_image_url_0",
+            "book_author": "dummy_book_author_0",
+            "book_url": "dummy_book_url_0",
+        },
+        {
+            "user_id": "user_id_1",
+            "isbn": "12345",
+            "book_title": "仕事で使える機械学習",
+            "score_for_me": "4",
+            "score_for_others": "3",
+            "review_comment": "まあまあです",
+            "book_image_url": "dummy_book_image_url_1",
+            "book_author": "dummy_book_author_1",
+            "book_url": "dummy_book_url_1",
+        },
+    ]
+
+    def mock_get_some():
+        return items
+
+    monkeypatch.setattr(ReviewRepository, "get_some", mock_get_some)
+
+    logger = getLogger()
+    review_count_all = home(logger)
+
+    assert review_count_all == 2