WIP checkpoint: US-1: glTF Asset Upload with Metadata Extraction

backend/app/models/asset.py

@@ -3,6 +3,8 @@ from sqlalchemy.dialects.postgresql import ENUM
 from sqlalchemy.orm import relationship
 from sqlalchemy.sql import func
 import enum
+import json
+from typing import Any, Optional
 
 from app.database import Base
 
@@ -38,3 +40,32 @@ class Asset(Base):
 
     owner = relationship("User", back_populates="assets")
     world = relationship("World", back_populates="assets")
+
+    # ------------------------------------------------------------------
+    # Computed properties
+    # ------------------------------------------------------------------
+
+    @property
+    def has_gltf_metadata(self) -> bool:
+        """Return True when metadata_json contains glTF-specific keys.
+
+        glTF metadata is considered present when the stored JSON contains at
+        least one of the keys that *extract_gltf_metadata* produces
+        (mesh_count, vertex_count, has_animation, texture_refs,
+        bounding_box_min, bounding_box_max).
+        """
+        if not self.metadata_json:
+            return False
+        try:
+            data: dict[str, Any] = json.loads(self.metadata_json)
+        except (json.JSONDecodeError, TypeError):
+            return False
+        gltf_keys = {
+            "mesh_count",
+            "vertex_count",
+            "has_animation",
+            "texture_refs",
+            "bounding_box_min",
+            "bounding_box_max",
+        }
+        return bool(gltf_keys & data.keys())

backend/app/models/script.py

@@ -1,39 +0,0 @@
-"""Script model — game logic scripts owned by users and associated with worlds."""
-
-from typing import Optional
-
-from sqlalchemy import Column, Integer, String, Text, DateTime, ForeignKey, func
-from sqlalchemy.dialects.postgresql import ENUM, JSONB
-from sqlalchemy.orm import relationship
-import enum
-
-from app.database import Base
-
-
-class ScriptType(str, enum.Enum):
-    """Type of script storage."""
-    GDSCRIPT = "gdscript"
-    DSL = "dsl"
-
-
-class Script(Base):
-    """A game script — either raw GDScript source or a DSL payload."""
-    __tablename__ = "scripts"
-
-    id = Column(Integer, primary_key=True, index=True)
-    name = Column(String(255), nullable=False)
-    world_id = Column(Integer, ForeignKey("worlds.id", ondelete="CASCADE"), nullable=True)
-    owner_id = Column(Integer, ForeignKey("users.id", ondelete="CASCADE"), nullable=False)
-    source_code = Column(Text, nullable=True)
-    version = Column(Integer, nullable=False, server_default="1")
-    script_type = Column(
-        ENUM(ScriptType, name="script_type", create_type=False),
-        nullable=False,
-        default=ScriptType.GDSCRIPT,
-    )
-    dsl_payload = Column(JSONB, nullable=True)
-    created_at = Column(DateTime(timezone=True), server_default=func.now())
-    updated_at = Column(DateTime(timezone=True), server_default=func.now(), onupdate=func.now())
-
-    owner = relationship("User", back_populates="scripts")
-    world = relationship("World", back_populates="scripts")