Refactor and optimize code for improved readability and maintainability

routes/lora_routes.py

@@ -0,0 +1,81 @@
+import os
+from aiohttp import web
+import jinja2
+from typing import Dict, List
+import logging
+from ..services.lora_scanner import LoraScanner
+from ..config import config
+
+logger = logging.getLogger(__name__)
+
+class LoraRoutes:
+    """Route handlers for LoRA management endpoints"""
+    
+    def __init__(self):
+        self.scanner = LoraScanner()
+        self.template_env = jinja2.Environment(
+            loader=jinja2.FileSystemLoader(config.templates_path),
+            autoescape=True
+        )
+
+    def format_lora_data(self, lora: Dict) -> Dict:
+        """Format LoRA data for template rendering"""
+        return {
+            "model_name": lora["model_name"],
+            "file_name": lora["file_name"],   
+            "preview_url": config.get_preview_static_url(lora["preview_url"]),
+            "base_model": lora["base_model"],
+            "folder": lora["folder"],
+            "sha256": lora["sha256"],
+            "file_path": lora["file_path"].replace(os.sep, "/"),
+            "modified": lora["modified"],
+            "from_civitai": lora.get("from_civitai", True),
+            "civitai": self._filter_civitai_data(lora.get("civitai", {}))
+        }
+
+    def _filter_civitai_data(self, data: Dict) -> Dict:
+        """Filter relevant fields from CivitAI data"""
+        if not data:
+            return {}
+            
+        fields = [
+            "id", "modelId", "name", "createdAt", "updatedAt", 
+            "publishedAt", "trainedWords", "baseModel", "description",
+            "model", "images"
+        ]
+        return {k: data[k] for k in fields if k in data}
+
+    async def handle_loras_page(self, request: web.Request) -> web.Response:
+        """Handle GET /loras request"""
+        try:
+            # Scan for loras
+            loras = await self.scanner.scan_all_loras()
+            
+            # Format data for template
+            formatted_loras = [self.format_lora_data(l) for l in loras]
+            folders = sorted(list(set(l['folder'] for l in loras)))
+            
+            # Render template
+            template = self.template_env.get_template('loras.html')
+            rendered = template.render(
+                loras=formatted_loras,
+                folders=folders
+            )
+            
+            return web.Response(
+                text=rendered,
+                content_type='text/html'
+            )
+            
+        except Exception as e:
+            logger.error(f"Error handling loras request: {e}", exc_info=True)
+            return web.Response(
+                text="Error loading loras page",
+                status=500
+            )
+
+    @classmethod
+    def setup_routes(cls, app: web.Application):
+        """Register routes with the application"""
+        routes = cls()
+        app.router.add_get('/loras', routes.handle_loras_page)