feat: Add proxy for analytics

Added proxy usage with vercel hosting for telemetry and analytics

Feature COG-597

cognee/shared/utils.py

@@ -1,5 +1,6 @@
 """ This module contains utility functions for the cognee. """
 import os
+import requests
 from datetime import datetime, timezone
 import graphistry
 import networkx as nx
@@ -8,7 +9,6 @@ import pandas as pd
 import matplotlib.pyplot as plt
 import tiktoken
 import nltk
-from posthog import Posthog
 
 from cognee.base_config import get_base_config
 from cognee.infrastructure.databases.graph import get_graph_engine
@@ -16,6 +16,9 @@ from cognee.infrastructure.databases.graph import get_graph_engine
 from uuid import uuid4
 import pathlib
 
+# Analytics Proxy Url, currently hosted by Vercel
+vercel_url = "https://proxyanalytics.vercel.app"
+
 def get_anonymous_id():
     """Creates or reads a anonymous user id"""
     home_dir = str(pathlib.Path(pathlib.Path(__file__).parent.parent.parent.resolve()))
@@ -40,25 +43,23 @@ def send_telemetry(event_name: str, user_id, additional_properties: dict = {}):
     if env in ["test", "dev"]:
         return
 
-    posthog = Posthog(
-        project_api_key = "phc_UB1YVere1KtJg1MFxAo6ABfpkwN3OxCvGNDkMTjvH0",
-        host = "https://eu.i.posthog.com"
-    )
-
     current_time = datetime.now(timezone.utc)
-    properties = {
-        "time": current_time.strftime("%m/%d/%Y"),
-        "user_id": user_id,
-        **additional_properties,
+    payload = {
+        "anonymous_id": str(get_anonymous_id()),
+        "event_name": event_name,
+        "user_properties": {
+            "user_id": str(user_id),
+        },
+        "properties": {
+            "time": current_time.strftime("%m/%d/%Y"),
+            **additional_properties
+        },
     }
 
-    # Needed to forward properties to PostHog along with id
-    posthog.identify(get_anonymous_id(), properties)
+    response = requests.post(vercel_url, json=payload)
 
-    try:
-        posthog.capture(get_anonymous_id(), event_name, properties)
-    except Exception as e:
-        print("ERROR sending telemetric data to Posthog. See exception: %s", e)
+    if response.status_code != 200:
+        print(f"Error sending telemetry through proxy: {response.status_code}")
 
 def num_tokens_from_string(string: str, encoding_name: str) -> int:
     """Returns the number of tokens in a text string."""