Add Activity log Service and model

app/services/activity_service.py

@@ -0,0 +1,56 @@
+import re
+from pathlib import Path
+
+# Activity log Service
+class ActivityService:
+
+    @staticmethod
+    def read_logs(file_name="", search="", level="", user="", from_date="", to_date=""):
+
+        file = Path("logs") / file_name
+
+        if not file.exists():
+            return []
+
+        logs = []
+
+        with open(file, "r", encoding="utf-8") as f:
+
+            for line in reversed(f.readlines()):
+                # Example:
+                # 2026-08-01 10:15:55 | INFO | admin | Dashboard | Dashboard Opened
+                parts = [x.strip() for x in line.split("|")]
+
+                if len(parts) < 5:
+                    continue
+
+                record = {
+                    "date": parts[0],
+                    "level": parts[1],
+                    "user": parts[2],
+                    "module": parts[3],
+                    "message": "|".join(parts[4:])
+                }
+
+                # Search Filter
+                if search and search.lower() not in line.lower():
+                    continue
+
+                # Level Filter
+                if level and record["level"] != level:
+                    continue
+
+                # User Filter
+                if user and user.lower() not in record["user"].lower():
+                    continue
+
+                # Date Filter
+                if from_date and record["date"][:10] < from_date:
+                    continue
+
+                if to_date and record["date"][:10] > to_date:
+                    continue
+
+                logs.append(record)
+
+        return logs