feat: add jina embedding (#1647)

Co-authored-by: takatost <takatost@gmail.com>

api/core/model_providers/models/embedding/jina_embedding.py

@@ -0,0 +1,25 @@
+from core.model_providers.error import LLMBadRequestError
+from core.model_providers.models.embedding.base import BaseEmbedding
+from core.model_providers.providers.base import BaseModelProvider
+from core.third_party.langchain.embeddings.jina_embedding import JinaEmbeddings
+
+
+class JinaEmbedding(BaseEmbedding):
+    def __init__(self, model_provider: BaseModelProvider, name: str):
+        credentials = model_provider.get_model_credentials(
+            model_name=name,
+            model_type=self.type
+        )
+
+        client = JinaEmbeddings(
+            model=name,
+            **credentials
+        )
+
+        super().__init__(model_provider, client, name)
+
+    def handle_exceptions(self, ex: Exception) -> Exception:
+        if isinstance(ex, ValueError):
+            return LLMBadRequestError(f"Jina: {str(ex)}")
+        else:
+            return ex