Refactor openai embedder (#1444)

embedchain/embedder/azure_openai.py

@@ -0,0 +1,22 @@
+from typing import Optional
+
+from langchain_community.embeddings import AzureOpenAIEmbeddings
+
+from embedchain.config import BaseEmbedderConfig
+from embedchain.embedder.base import BaseEmbedder
+from embedchain.models import VectorDimensions
+
+
+class AzureOpenAIEmbedder(BaseEmbedder):
+    def __init__(self, config: Optional[BaseEmbedderConfig] = None):
+        super().__init__(config=config)
+
+        if self.config.model is None:
+            self.config.model = "text-embedding-ada-002"
+
+        embeddings = AzureOpenAIEmbeddings(deployment=self.config.deployment_name)
+        embedding_fn = BaseEmbedder._langchain_default_concept(embeddings)
+
+        self.set_embedding_fn(embedding_fn=embedding_fn)
+        vector_dimension = self.config.vector_dimension or VectorDimensions.OPENAI.value
+        self.set_vector_dimension(vector_dimension=vector_dimension)