Add Activity log Service and model

app/routes/activity_routes.py

@@ -0,0 +1,59 @@
+from flask import Blueprint, render_template, request, send_file, abort
+import os
+
+from app.utils.helpers import login_required
+from app.utils.file_utils import get_logs_folder , ALLOWED_LOG_FILE
+from app.services.activity_service import ActivityService
+
+activity_bp = Blueprint("activity", __name__, url_prefix="/activity")
+
+# call activity_log page
+@activity_bp.route("/")
+@login_required
+def activity():
+    file_name = request.args.get("file", "app.log")
+    search = request.args.get("search", "")
+    level = request.args.get("level", "").upper()
+    user = request.args.get("user", "")
+    from_date = request.args.get("from_date", "")
+    to_date = request.args.get("to_date", "")
+
+    logs = ActivityService.read_logs(
+        file_name=file_name,
+        search=search,
+        level=level,
+        user=user,
+        from_date=from_date,
+        to_date=to_date
+    )
+
+    return render_template(
+        "activity/activity_log.html",
+        logs=logs,
+        file_name=file_name,
+        search=search,
+        level=level,
+        user=user,
+        from_date=from_date,
+        to_date=to_date
+    )
+
+# Download  activity_log files
+@activity_bp.route("/logs")
+@login_required
+def download_log():
+
+    filename = request.args.get("file", "app.log")
+    if filename not in ALLOWED_LOG_FILE:
+        abort(400, "Invalid log file.")
+
+    file_path = os.path.join(get_logs_folder(), filename)
+    if not os.path.isfile(file_path):
+        abort(404, "Log file not found.")
+
+    return send_file(
+        file_path,
+        as_attachment=True,
+        download_name=filename,
+        mimetype="text/plain"
+    )