added vehicles and vehicles extra, dynamic tables for entities, dynamic dropdowns with overlay for selecting and manage data

backend/api/models.py

@@ -26,13 +26,34 @@ class ComPortReading(models.Model):
     data = models.TextField()
     timestamp = models.DateTimeField(auto_now_add=True)
     source_ip = models.GenericIPAddressField(null=True, blank=True)
-    
+
     class Meta:
         ordering = ['-timestamp']
         indexes = [
             models.Index(fields=['-timestamp']),
             models.Index(fields=['port', '-timestamp']),
         ]
-    
+
     def __str__(self):
         return f"{self.port} - {self.timestamp}"
+
+
+class Report(models.Model):
+    """Model to store report templates for the report editor"""
+    name = models.CharField(max_length=255)
+    page_width = models.IntegerField(default=80)
+    page_height = models.IntegerField(default=66)
+    api_endpoint = models.CharField(max_length=500, blank=True, default='')
+    elements = models.JSONField(default=list)
+    created_by = models.ForeignKey(
+        User, on_delete=models.SET_NULL, null=True, blank=True,
+        related_name='reports'
+    )
+    created_at = models.DateTimeField(auto_now_add=True)
+    updated_at = models.DateTimeField(auto_now=True)
+
+    class Meta:
+        ordering = ['-updated_at']
+
+    def __str__(self):
+        return self.name