first base of project-changed apps: Herd-livestock-tag-log-elasticsearch-

apps/log/middlewares.py

@@ -0,0 +1,56 @@
+import time
+from .models import Log
+from tinydb import TinyDB, Query
+from django.core import serializers
+from datetime import datetime
+
+
+class SaveLog:
+    def __init__(self, get_response):
+        self.get_response = get_response
+
+        # Filter to log all request to url's that start with any of the strings below.
+        # With example below:
+        # /example/test/ will be logged.
+        # /other/ will not be logged.
+        self.prefixs = [
+            '/example'
+        ]
+
+    def __call__(self, request):
+        _t = time.time()  # Calculated execution time.
+        response = self.get_response(request)  # Get response from view function.
+        _t = int((time.time() - _t) * 1000)
+
+        # If the url does not start with on of the prefixes above, then return response and dont save log.
+        # (Remove these two lines below to log everything)
+        # if not list(filter(request.get_full_path().startswith, self.prefixs)):
+        #     return response
+
+        # create data for log db
+        db_data = {
+            'endpoint': request.get_full_path(),
+            'response_code': response.status_code,
+            'method': request.method,
+            'remote_address': self.get_client_ip(request),
+            'exec_time': _t,
+            'body_response': response.content.decode('utf-8'),
+            'body_request': request.POST,
+            'client_ip': self.get_client_ip(request),
+            'browser_info': request.META['HTTP_USER_AGENT'],
+            'log_created_at': str(datetime.now())
+        }
+        if request.user.is_authenticated:
+            db_data.update({'user': serializers.serialize('json', [request.user, ])})
+        db = TinyDB(f'logs/log.json')
+        db.insert(db_data)
+        return response
+
+    # get clients ip address
+    def get_client_ip(self, request):
+        x_forwarded_for = request.META.get('HTTP_X_FORWARDED_FOR')
+        if x_forwarded_for:
+            _ip = x_forwarded_for.split(',')[0]
+        else:
+            _ip = request.META.get('REMOTE_ADDR')
+        return _ip