feat: Adding app id in metadata while reading and writing to vector db (#189)

embedchain/config/InitConfig.py

@@ -1,32 +1,34 @@
 import logging
 import os
-
 from chromadb.utils import embedding_functions
-
 from embedchain.config.BaseConfig import BaseConfig
 
-
 class InitConfig(BaseConfig):
     """
     Config to initialize an embedchain `App` instance.
     """
-
-    def __init__(self, log_level=None, ef=None, db=None, host=None, port=None):
+    def __init__(self, log_level=None, ef=None, db=None, host=None, port=None, id=None):
         """
         :param log_level: Optional. (String) Debug level
         ['DEBUG', 'INFO', 'WARNING', 'ERROR', 'CRITICAL'].
         :param ef: Optional. Embedding function to use.
         :param db: Optional. (Vector) database to use for embeddings.
+        :param id: Optional. ID of the app. Document metadata will have this id.
         :param host: Optional. Hostname for the database server.
         :param port: Optional. Port for the database server.
         """
         self._setup_logging(log_level)
 
+        if db is None:
+            from embedchain.vectordb.chroma_db import ChromaDB
+            self.db = ChromaDB(ef=self.ef)
+        else:
+            self.db = db
+        
         self.ef = ef
-        self.db = db
-
         self.host = host
         self.port = port
+        self.id = id
         return
 
     def _set_embedding_function(self, ef):