feat: knowledge pipeline (#25360)

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api/core/datasource/entities/common_entities.py

@@ -0,0 +1,21 @@
+from pydantic import BaseModel, Field
+
+
+class I18nObject(BaseModel):
+    """
+    Model class for i18n object.
+    """
+
+    en_US: str
+    zh_Hans: str | None = Field(default=None)
+    pt_BR: str | None = Field(default=None)
+    ja_JP: str | None = Field(default=None)
+
+    def __init__(self, **data):
+        super().__init__(**data)
+        self.zh_Hans = self.zh_Hans or self.en_US
+        self.pt_BR = self.pt_BR or self.en_US
+        self.ja_JP = self.ja_JP or self.en_US
+
+    def to_dict(self) -> dict:
+        return {"zh_Hans": self.zh_Hans, "en_US": self.en_US, "pt_BR": self.pt_BR, "ja_JP": self.ja_JP}