feat/enhance the multi-modal support (#8818)

api/core/entities/message_entities.py

@@ -1,29 +0,0 @@
-import enum
-from typing import Any
-
-from pydantic import BaseModel
-
-
-class PromptMessageFileType(enum.Enum):
-    IMAGE = "image"
-
-    @staticmethod
-    def value_of(value):
-        for member in PromptMessageFileType:
-            if member.value == value:
-                return member
-        raise ValueError(f"No matching enum found for value '{value}'")
-
-
-class PromptMessageFile(BaseModel):
-    type: PromptMessageFileType
-    data: Any = None
-
-
-class ImagePromptMessageFile(PromptMessageFile):
-    class DETAIL(enum.Enum):
-        LOW = "low"
-        HIGH = "high"
-
-    type: PromptMessageFileType = PromptMessageFileType.IMAGE
-    detail: DETAIL = DETAIL.LOW