feat: Semaine 8

Semaine_08/mediawatch/application/usecases/run_watch_cycle.py

@@ -0,0 +1,41 @@
+from dataclasses import dataclass
+
+from domain.matcher import MatchingService
+from domain.entities import Alert
+from ports.outbound.article_source_protocol import ArticleSource
+from ports.outbound.notifier_protocol import Notifier
+
+@dataclass
+class WatchCycleResult:
+    processed: int
+    alerts_sent: int
+
+class RunWatchCycleUsecase:
+    def __init__(
+        self,
+        source: ArticleSource,
+        notifier: Notifier,
+        matcher: MatchingService
+        ):
+        self.source = source
+        self.notifier = notifier
+        self.matcher = matcher
+
+    def execute(self, keywords: list[str]):
+        articles = self.source.fetch_articles()
+        alerts_sent = 0
+
+        for article in articles:
+            matched = self.matcher.find_match(article, keywords)
+            if matched:
+                alert = Alert(
+                    article= article,
+                    matched_keywords=matched
+                )
+                self.notifier.send_alert(alert)
+                alerts_sent += 1
+
+        return WatchCycleResult(
+            processed=len(articles),
+            alerts_sent=alerts_sent
+        )