easy implementation

analytics.py

@@ -7,37 +7,25 @@ import psycopg2
 
 file_access_temp = []
 
-# singleton metaclass.
-class SingletonMeta(type):
-    _instances = {}
-    def __call__(cls, *args, **kwargs):
-        if cls not in cls._instances:
-            instance = super().__call__(*args, **kwargs)
-            cls._instances[cls] = instance
-        return cls._instances[cls]
+dbname     = os.environ.get('DB_NAME')
+user       = os.environ.get('DB_USER')
+password   = os.environ.get('DB_PASSWORD')
+host       = os.environ.get('DB_HOST')
+port       = int(os.environ.get('DB_PORT', 5432))
 
-# Database class that only handles the connection.
-class Database(metaclass=SingletonMeta):
-    def __init__(self):
-        self.dbname     = os.environ.get('DB_NAME')
-        self.user       = os.environ.get('DB_USER')
-        self.password   = os.environ.get('DB_PASSWORD')
-        self.host       = os.environ.get('DB_HOST')
-        self.port       = int(os.environ.get('DB_PORT', 5432))
+connection = psycopg2.connect(dbname=dbname,
+                                user=user,
+                                password=password,
+                                host=host,
+                                port=port
+                                )
+# Enable autocommit
+connection.autocommit = True
+log_db = connection
 
-        self.connection = psycopg2.connect(dbname=self.dbname,
-                                           user=self.user,
-                                           password=self.password,
-                                           host=self.host,
-                                           port=self.port)
-        # Enable autocommit
-        self.connection.autocommit = True
-        
-        self.init_log_db()
-
-    # Function to initialize the database.
-    def init_log_db(self):
-        with self.connection.cursor() as cursor:
+# Function to initialize the database.
+def init_log_db():
+    with log_db.cursor() as cursor:
         cursor.execute('''
             CREATE TABLE IF NOT EXISTS file_access_log (
                 id SERIAL PRIMARY KEY,
@@ -52,7 +40,8 @@ class Database(metaclass=SingletonMeta):
             )
         ''')
 
-log_db = Database()
+init_log_db()
+
 
 
 def lookup_location(ip, reader):
@@ -88,7 +77,7 @@ def log_file_access(rel_path, filesize, mime, ip_address, user_agent, device_id,
             INSERT INTO file_access_log (timestamp, rel_path, filesize, mime, ip_address, user_agent, device_id, cached)
             VALUES (%s, %s, %s, %s, %s, %s, %s, %s)
         ''', (timestamp, rel_path, filesize, mime, ip_address, user_agent, device_id, cached))
-    file_access_temp.insert(0, [timestamp, rel_path, filesize, mime, ip_address, user_agent, device_id, cached])
+    file_access_temp.insert(0, [timestamp.isoformat(), rel_path, filesize, mime, ip_address, user_agent, device_id, cached])
     return timestamp.isoformat()
 
 def return_file_access():

app.py

@@ -365,7 +365,7 @@ def query_recent_connections():
                     'timestamp': datetime.strptime(row[0], '%Y-%m-%dT%H:%M:%S.%f').strftime('%d.%m.%Y %H:%M:%S'),
                     'full_path': row[1],
                     'filesize' : row[2],
-                    'mime-typ' : row[3],
+                    'mime_typ' : row[3],
                     'ip_address': row[4],
                     'user_agent': row[5],
                     'cached':  row[7]
@@ -406,7 +406,7 @@ def handle_request_initial_data():
             'timestamp': datetime.strptime(row[0], '%Y-%m-%dT%H:%M:%S.%f').strftime('%d.%m.%Y %H:%M:%S'),
             'full_path': row[1],
             'filesize' : row[2],
-            'mime-typ' : row[3],
+            'mime_typ' : row[3],
             'ip_address': row[4],
             'user_agent': row[5],
             'cached':  row[7]

docker-compose.yml

@@ -20,7 +20,6 @@ services:
       - TITLE_SHORT=${TITLE_SHORT}
       - TITLE_LONG=${TITLE_LONG}
       - DB_HOST=postgres-db
-      - DB_PORT=5432
       - DB_USER=${DB_USER}
       - DB_PASSWORD=${DB_PASSWORD}
       - DB_NAME=${DB_NAME}

templates/connections.html

@@ -75,7 +75,7 @@
             <td>${record.user_agent}</td>
             <td>${record.full_path}</td>
             <td>${record.filesize}</td>
-            <td>${record.mime-typ}</td>
+            <td>${record.mime_typ}</td>
             <td>${record.cached}</td>
           `;
           tbody.appendChild(row);