refac: mv backend files to /open_webui dir

backend/open_webui/apps/webui/models/models.py

@@ -0,0 +1,179 @@
+import logging
+import time
+from typing import Optional
+
+from open_webui.apps.webui.internal.db import Base, JSONField, get_db
+from open_webui.env import SRC_LOG_LEVELS
+from pydantic import BaseModel, ConfigDict
+from sqlalchemy import BigInteger, Column, Text
+
+log = logging.getLogger(__name__)
+log.setLevel(SRC_LOG_LEVELS["MODELS"])
+
+
+####################
+# Models DB Schema
+####################
+
+
+# ModelParams is a model for the data stored in the params field of the Model table
+class ModelParams(BaseModel):
+    model_config = ConfigDict(extra="allow")
+    pass
+
+
+# ModelMeta is a model for the data stored in the meta field of the Model table
+class ModelMeta(BaseModel):
+    profile_image_url: Optional[str] = "/static/favicon.png"
+
+    description: Optional[str] = None
+    """
+        User-facing description of the model.
+    """
+
+    capabilities: Optional[dict] = None
+
+    model_config = ConfigDict(extra="allow")
+
+    pass
+
+
+class Model(Base):
+    __tablename__ = "model"
+
+    id = Column(Text, primary_key=True)
+    """
+        The model's id as used in the API. If set to an existing model, it will override the model.
+    """
+    user_id = Column(Text)
+
+    base_model_id = Column(Text, nullable=True)
+    """
+        An optional pointer to the actual model that should be used when proxying requests.
+    """
+
+    name = Column(Text)
+    """
+        The human-readable display name of the model.
+    """
+
+    params = Column(JSONField)
+    """
+        Holds a JSON encoded blob of parameters, see `ModelParams`.
+    """
+
+    meta = Column(JSONField)
+    """
+        Holds a JSON encoded blob of metadata, see `ModelMeta`.
+    """
+
+    updated_at = Column(BigInteger)
+    created_at = Column(BigInteger)
+
+
+class ModelModel(BaseModel):
+    id: str
+    user_id: str
+    base_model_id: Optional[str] = None
+
+    name: str
+    params: ModelParams
+    meta: ModelMeta
+
+    updated_at: int  # timestamp in epoch
+    created_at: int  # timestamp in epoch
+
+    model_config = ConfigDict(from_attributes=True)
+
+
+####################
+# Forms
+####################
+
+
+class ModelResponse(BaseModel):
+    id: str
+    name: str
+    meta: ModelMeta
+    updated_at: int  # timestamp in epoch
+    created_at: int  # timestamp in epoch
+
+
+class ModelForm(BaseModel):
+    id: str
+    base_model_id: Optional[str] = None
+    name: str
+    meta: ModelMeta
+    params: ModelParams
+
+
+class ModelsTable:
+    def insert_new_model(
+        self, form_data: ModelForm, user_id: str
+    ) -> Optional[ModelModel]:
+        model = ModelModel(
+            **{
+                **form_data.model_dump(),
+                "user_id": user_id,
+                "created_at": int(time.time()),
+                "updated_at": int(time.time()),
+            }
+        )
+        try:
+            with get_db() as db:
+                result = Model(**model.model_dump())
+                db.add(result)
+                db.commit()
+                db.refresh(result)
+
+                if result:
+                    return ModelModel.model_validate(result)
+                else:
+                    return None
+        except Exception as e:
+            print(e)
+            return None
+
+    def get_all_models(self) -> list[ModelModel]:
+        with get_db() as db:
+            return [ModelModel.model_validate(model) for model in db.query(Model).all()]
+
+    def get_model_by_id(self, id: str) -> Optional[ModelModel]:
+        try:
+            with get_db() as db:
+                model = db.get(Model, id)
+                return ModelModel.model_validate(model)
+        except Exception:
+            return None
+
+    def update_model_by_id(self, id: str, model: ModelForm) -> Optional[ModelModel]:
+        try:
+            with get_db() as db:
+                # update only the fields that are present in the model
+                result = (
+                    db.query(Model)
+                    .filter_by(id=id)
+                    .update(model.model_dump(exclude={"id"}, exclude_none=True))
+                )
+                db.commit()
+
+                model = db.get(Model, id)
+                db.refresh(model)
+                return ModelModel.model_validate(model)
+        except Exception as e:
+            print(e)
+
+            return None
+
+    def delete_model_by_id(self, id: str) -> bool:
+        try:
+            with get_db() as db:
+                db.query(Model).filter_by(id=id).delete()
+                db.commit()
+
+                return True
+        except Exception:
+            return False
+
+
+Models = ModelsTable()