resource, resource_tag to/from models and programtype enum

backend/entities/resource_entity.py

@@ -33,6 +33,36 @@ class ResourceEntity(EntityBase):
     #relationships
     resourceTags: Mapped[list["ResourceTagEntity"]] = relationship(back_populates="resource", cascade="all,delete")
 
+    @classmethod
+    def from_model(cls, model: user_model) -> Self:
+        """
+        Create a UserEntity from a User model.
+
+        Args:
+            model (User): The model to create the entity from.
+
+        Returns:
+            Self: The entity (not yet persisted).
+        """
+
+        return cls (
+            id = model.id
+            created_at = model.created_at
+            name = model.name
+            summary = model.summary
+            link = model.link
+            program = model.program
+        )
+
+    def to_model(self) -> user_model:
+        return user_model (
+            id = self.id
+            created_at = self.created_at
+            name = self.name
+            summary = self.summary
+            link = self.link
+            program = self.program
+        )