Implement 'Top Ranked' feature and expand Habr sources

src/bot/handlers.py

@@ -51,6 +51,7 @@ def get_router(storage: IVectorStore, processor: ILLMProvider, allowed_chat_id:
             "/start - Start the bot\n"
             "/help - Show this help message\n"
             "/latest [category] - Show the latest enriched news trends\n"
+            "/hottest - Show top 10 ranked hot trends\n"
             "/search query - Search for news\n"
             "/stats - Show database statistics\n"
             "/params - Show LLM processor parameters\n"
@@ -93,6 +94,27 @@ def get_router(storage: IVectorStore, processor: ILLMProvider, allowed_chat_id:
         
         await message.answer("Latest news:", reply_markup=builder.as_markup())
 
+    @router.message(Command("hottest"))
+    async def command_hottest_handler(message: Message) -> None:
+        """
+        This handler receives messages with `/hottest` command
+        """
+        items = await storage.get_top_ranked(limit=10)
+        
+        if not items:
+            await message.answer("No hot trends found yet.")
+            return
+
+        builder = InlineKeyboardBuilder()
+        for item in items:
+            item_id = str(uuid.uuid5(uuid.NAMESPACE_URL, item.url))
+            builder.row(InlineKeyboardButton(
+                text=f"🔥 [{item.relevance_score}/10] {item.title}",
+                callback_data=f"detail:{item_id}"
+            ))
+        
+        await message.answer("Top 10 Hottest Trends:", reply_markup=builder.as_markup())
+
     @router.message(Command("search"))
     async def command_search_handler(message: Message, command: CommandObject) -> None:
         """

src/crawlers.yml

@@ -8,9 +8,6 @@ crawlers:
   - type: rss
     url: "https://news.samsung.com/global/rss"
     source: "Samsung Newsroom"
-  - type: rss
-    url: "https://www.sony.com/en/SonyInfo/News/Service/rss.xml"
-    source: "Sony Newsroom"
   - type: playwright
     url: "https://cvpr.thecvf.com/Conferences/2025"
     source: "CVPR 2025"
@@ -61,10 +58,10 @@ crawlers:
     url: "https://форумтехнопром.рф/"
     source: "Technoprom-2025"
     selector: ".news-item"
-  - type: playwright
-    url: "https://www.innoprom.com/en/media/news/"
-    source: "INNOPROM-2025"
-    selector: ".news-list__item"
+  # - type: playwright
+  #   url: "https://www.innoprom.com/en/media/news/"
+  #   source: "INNOPROM-2025"
+  #   selector: ".news-list__item"
   - type: playwright
     url: "https://www.hannovermesse.de/en/news/news-articles/"
     source: "Hannover Messe"
@@ -91,3 +88,12 @@ crawlers:
     url: "https://t.me/s/addmeto"
     source: "Telegram: Addmeto"
     selector: ".tgme_widget_message_text"
+  - type: rss
+    url: "https://habr.com/ru/rss/hubs/hi/articles/?fl=ru"
+    source: "Habr HighLoad"
+  - type: rss
+    url: "https://habr.com/ru/rss/hubs/complete_code/articles/?fl=ru"
+    source: "Habr Code Quality"
+  - type: rss
+    url: "https://habr.com/ru/rss/articles/rated100/?fl=ru"
+    source: "Habr High Ranked"

src/storage/base.py

@@ -29,3 +29,8 @@ class IVectorStore(ABC):
     async def get_stats(self) -> dict[str, int]:
         """Get storage statistics including total count and breakdown by category."""
         pass
+
+    @abstractmethod
+    async def get_top_ranked(self, limit: int = 10) -> List[EnrichedNewsItemDTO]:
+        """Retrieve top ranked items by relevance score."""
+        pass

src/storage/chroma_store.py

@@ -113,3 +113,20 @@ class ChromaStore(IVectorStore):
                 stats[key] = stats.get(key, 0) + 1
             
         return stats
+
+    async def get_top_ranked(self, limit: int = 10) -> List[EnrichedNewsItemDTO]:
+        """Retrieve top ranked items by relevance score."""
+        # Retrieve all metadatas and documents to sort by relevance score
+        results = self.collection.get(include=["metadatas", "documents"])
+        metadatas = results.get("metadatas") or []
+        documents = results.get("documents") or []
+        
+        items = []
+        for meta, doc in zip(metadatas, documents):
+            if meta:
+                items.append(self._reconstruct_dto(meta, doc))
+        
+        # Sort by relevance_score descending
+        items.sort(key=lambda x: x.relevance_score, reverse=True)
+        
+        return items[:limit]

tests/bot/test_handlers.py

@@ -170,6 +170,37 @@ async def test_command_stats_handler(router, mock_storage, allowed_chat_id):
     args, kwargs = message.answer.call_args
     assert "Database Statistics" in args[0]
 
+@pytest.mark.asyncio
+async def test_command_hottest_handler(router, mock_storage, allowed_chat_id, mock_item):
+    handler = get_handler(router, "command_hottest_handler")
+    message = AsyncMock()
+    message.chat.id = int(allowed_chat_id)
+    message.answer = AsyncMock()
+    
+    mock_storage.get_top_ranked.return_value = [mock_item]
+    
+    await handler(message=message)
+    
+    mock_storage.get_top_ranked.assert_called_once_with(limit=10)
+    message.answer.assert_called_once()
+    args, kwargs = message.answer.call_args
+    assert "Top 10 Hottest Trends:" in args[0]
+    assert "reply_markup" in kwargs
+    assert "🔥" in str(kwargs["reply_markup"])
+
+@pytest.mark.asyncio
+async def test_command_hottest_handler_empty(router, mock_storage, allowed_chat_id):
+    handler = get_handler(router, "command_hottest_handler")
+    message = AsyncMock()
+    message.chat.id = int(allowed_chat_id)
+    message.answer = AsyncMock()
+    
+    mock_storage.get_top_ranked.return_value = []
+    
+    await handler(message=message)
+    
+    message.answer.assert_called_once_with("No hot trends found yet.")
+
 @pytest.mark.asyncio
 async def test_access_middleware_allowed(allowed_chat_id):
     middleware = AccessMiddleware(allowed_chat_id)

tests/bot/test_hottest_command.py

@@ -0,0 +1,102 @@
+import uuid
+import pytest
+from unittest.mock import AsyncMock, MagicMock
+from aiogram.types import Message, InlineKeyboardMarkup
+from datetime import datetime
+
+from src.bot.handlers import get_router
+from src.processor.dto import EnrichedNewsItemDTO
+
+@pytest.fixture
+def mock_storage():
+    return AsyncMock()
+
+@pytest.fixture
+def mock_processor():
+    processor = MagicMock()
+    processor.get_info.return_value = {"model": "test-model"}
+    return processor
+
+@pytest.fixture
+def allowed_chat_id():
+    return "123456789"
+
+@pytest.fixture
+def router(mock_storage, mock_processor, allowed_chat_id):
+    return get_router(mock_storage, mock_processor, allowed_chat_id)
+
+def get_handler(router, callback_name):
+    for handler in router.message.handlers:
+        if handler.callback.__name__ == callback_name:
+            return handler.callback
+    raise ValueError(f"Handler {callback_name} not found")
+
+@pytest.mark.asyncio
+async def test_command_hottest_handler_success(router, mock_storage, allowed_chat_id):
+    """
+    Test that /hottest command calls get_top_ranked and returns a list of items.
+    """
+    # 1. Arrange
+    handler = get_handler(router, "command_hottest_handler")
+    message = AsyncMock()
+    message.chat = MagicMock()
+    message.chat.id = int(allowed_chat_id)
+    message.answer = AsyncMock()
+    
+    mock_items = [
+        EnrichedNewsItemDTO(
+            title=f"Hot News {i}",
+            url=f"https://example.com/{i}",
+            content_text=f"Content {i}",
+            source="Source",
+            timestamp=datetime.now(),
+            relevance_score=10-i,
+            summary_ru=f"Сводка {i}",
+            anomalies_detected=[],
+            category="Tech"
+        ) for i in range(3)
+    ]
+    mock_storage.get_top_ranked.return_value = mock_items
+    
+    # 2. Act
+    await handler(message=message)
+    
+    # 3. Assert
+    mock_storage.get_top_ranked.assert_called_once_with(limit=10)
+    message.answer.assert_called_once()
+    
+    args, kwargs = message.answer.call_args
+    assert "Top 10 Hottest Trends:" in args[0]
+    assert "reply_markup" in kwargs
+    assert isinstance(kwargs["reply_markup"], InlineKeyboardMarkup)
+    
+    # Check if all 3 items are in the markup
+    markup = kwargs["reply_markup"]
+    assert len(markup.inline_keyboard) == 3
+    
+    # Check if icons and scores are present
+    button_text = markup.inline_keyboard[0][0].text
+    assert "🔥" in button_text
+    assert "[10/10]" in button_text
+    assert "Hot News 0" in button_text
+
+@pytest.mark.asyncio
+async def test_command_hottest_handler_empty(router, mock_storage, allowed_chat_id):
+    """
+    Test that /hottest command handles empty results correctly.
+    """
+    # 1. Arrange
+    handler = get_handler(router, "command_hottest_handler")
+    message = AsyncMock()
+    message.chat = MagicMock()
+    message.chat.id = int(allowed_chat_id)
+    message.answer = AsyncMock()
+    
+    mock_storage.get_top_ranked.return_value = []
+    
+    # 2. Act
+    await handler(message=message)
+    
+    # 3. Assert
+    mock_storage.get_top_ranked.assert_called_once_with(limit=10)
+    message.answer.assert_called_once_with("No hot trends found yet.")

tests/storage/test_chroma_store.py

@@ -2,6 +2,7 @@ import pytest
 import pytest_asyncio
 import uuid
 from datetime import datetime, timezone
+from unittest.mock import MagicMock
 import chromadb
 from chromadb.config import Settings
 
@@ -259,3 +260,43 @@ async def test_search_sorting(chroma_store: ChromaStore):
     # Should be sorted 5, 4, 3, 2, 1
     scores = [r.relevance_score for r in results]
     assert scores == [5, 4, 3, 2, 1]
+
+@pytest.mark.asyncio
+async def test_get_top_ranked_mock(chroma_store: ChromaStore):
+    # 1. Arrange
+    mock_collection = MagicMock()
+    chroma_store.collection = mock_collection
+    
+    # Mock data returned by collection.get
+    mock_collection.get.return_value = {
+        "metadatas": [
+            {"title": "Low", "url": "url1", "relevance_score": 2, "timestamp": "2023-11-01T12:00:00"},
+            {"title": "High", "url": "url2", "relevance_score": 10, "timestamp": "2023-11-01T12:00:00"},
+            {"title": "Mid", "url": "url3", "relevance_score": 7, "timestamp": "2023-11-01T12:00:00"},
+        ],
+        "documents": ["doc1", "doc2", "doc3"]
+    }
+    
+    # 2. Act
+    results = await chroma_store.get_top_ranked(limit=2)
+    
+    # 3. Assert
+    mock_collection.get.assert_called_once_with(include=["metadatas", "documents"])
+    assert len(results) == 2
+    assert results[0].title == "High"
+    assert results[0].relevance_score == 10
+    assert results[1].title == "Mid"
+    assert results[1].relevance_score == 7
+
+@pytest.mark.asyncio
+async def test_get_top_ranked_empty(chroma_store: ChromaStore):
+    # 1. Arrange
+    mock_collection = MagicMock()
+    chroma_store.collection = mock_collection
+    mock_collection.get.return_value = {"metadatas": [], "documents": []}
+    
+    # 2. Act
+    results = await chroma_store.get_top_ranked(limit=10)
+    
+    # 3. Assert
+    assert len(results) == 0

tests/storage/test_top_ranked.py

@@ -0,0 +1,95 @@
+import pytest
+import pytest_asyncio
+from datetime import datetime, timezone
+import chromadb
+from chromadb.config import Settings
+
+from src.processor.dto import EnrichedNewsItemDTO
+from src.storage.chroma_store import ChromaStore
+
+@pytest_asyncio.fixture
+async def chroma_store():
+    # Use EphemeralClient for in-memory testing
+    client = chromadb.EphemeralClient(Settings(allow_reset=True))
+    client.reset()
+    store = ChromaStore(client=client, collection_name="test_top_ranked_collection")
+    yield store
+    client.reset()
+
+@pytest.mark.asyncio
+async def test_get_top_ranked_sorting(chroma_store: ChromaStore):
+    """
+    Test that get_top_ranked returns items sorted by relevance_score in descending order.
+    """
+    # 1. Arrange - create items with various relevance scores
+    items = [
+        EnrichedNewsItemDTO(
+            title=f"News {score}",
+            url=f"https://example.com/{score}",
+            content_text=f"Content for news with score {score}",
+            source="Source",
+            timestamp=datetime.now(timezone.utc),
+            relevance_score=score,
+            summary_ru=f"Сводка {score}",
+            anomalies_detected=[],
+            category="Tech"
+        ) for score in [5, 10, 2, 8, 1]
+    ]
+    
+    for item in items:
+        await chroma_store.store(item)
+    
+    # 2. Act
+    results = await chroma_store.get_top_ranked(limit=10)
+    
+    # 3. Assert
+    assert len(results) == 5
+    scores = [r.relevance_score for r in results]
+    # Should be [10, 8, 5, 2, 1]
+    assert scores == [10, 8, 5, 2, 1]
+    assert results[0].title == "News 10"
+    assert results[-1].title == "News 1"
+
+@pytest.mark.asyncio
+async def test_get_top_ranked_limit(chroma_store: ChromaStore):
+    """
+    Test that get_top_ranked respects the limit parameter.
+    """
+    # 1. Arrange
+    items = [
+        EnrichedNewsItemDTO(
+            title=f"News {i}",
+            url=f"https://example.com/{i}",
+            content_text=f"Content {i}",
+            source="Source",
+            timestamp=datetime.now(timezone.utc),
+            relevance_score=i,
+            summary_ru=f"Сводка {i}",
+            anomalies_detected=[],
+            category="Tech"
+        ) for i in range(1, 11) # 10 items
+    ]
+    
+    for item in items:
+        await chroma_store.store(item)
+    
+    # 2. Act
+    limit_5 = await chroma_store.get_top_ranked(limit=5)
+    limit_2 = await chroma_store.get_top_ranked(limit=2)
+    
+    # 3. Assert
+    assert len(limit_5) == 5
+    assert len(limit_2) == 2
+    assert limit_5[0].relevance_score == 10
+    assert limit_5[4].relevance_score == 6
+
+@pytest.mark.asyncio
+async def test_get_top_ranked_empty_store(chroma_store: ChromaStore):
+    """
+    Test that get_top_ranked returns an empty list if store is empty.
+    """
+    # 1. Act
+    results = await chroma_store.get_top_ranked(limit=10)
+    
+    # 2. Assert
+    assert results == []