multiple media upload and smartphone preview

src/database/models.py

@@ -1,5 +1,5 @@
 """Pydantic models for database entities."""
-from datetime import datetime, date
+from datetime import datetime, date, timezone
 from enum import Enum
 from typing import Optional, Dict, Any, List
 from uuid import UUID
@@ -312,6 +312,16 @@ class ApiUsageLog(DBModel):
     created_at: Optional[datetime] = None
 
 
+class MediaItem(BaseModel):
+    """Single media item (image or video) for a post."""
+    type: str  # "image" | "video"
+    url: str
+    order: int
+    content_type: str  # MIME type (e.g., 'image/jpeg', 'video/mp4')
+    uploaded_at: datetime = Field(default_factory=lambda: datetime.now(timezone.utc))
+    metadata: Optional[Dict[str, Any]] = None
+
+
 class GeneratedPost(DBModel):
     """Generated post model."""
     id: Optional[UUID] = None
@@ -327,7 +337,9 @@ class GeneratedPost(DBModel):
     approved_at: Optional[datetime] = None
     published_at: Optional[datetime] = None
     post_type_id: Optional[UUID] = None
-    # Image
+    # Media (multi-media support)
+    media_items: List[MediaItem] = Field(default_factory=list)
+    # DEPRECATED: Image (kept for backward compatibility)
     image_url: Optional[str] = None
     # Scheduling fields
     scheduled_at: Optional[datetime] = None
@@ -335,6 +347,11 @@ class GeneratedPost(DBModel):
     # Metadata for additional info (e.g., LinkedIn post URL, auto-posting status)
     metadata: Optional[Dict[str, Any]] = None
 
+    @property
+    def has_media(self) -> bool:
+        """Check if post has any media items."""
+        return len(self.media_items) > 0
+
 
 # ==================== LICENSE KEY MODELS ====================