Update probe related models, routes and templates

app/models.py

@@ -93,6 +93,23 @@ class Probe:
             raise Exception('Failed to create probe')
         return cls(**result.data[0])
 
+    def retire(self):
+        """Mark probe as retired with current timestamp"""
+        supabase = get_supabase()
+        result = supabase.table('probes').update({
+            'retired_at': datetime.utcnow().isoformat()
+        }).eq('id', self.id).execute()
+        if not result.data:
+            raise Exception('Failed to retire probe')
+        self.retired_at = datetime.utcnow()
+
+    def delete(self):
+        """Delete probe from database"""
+        supabase = get_supabase()
+        result = supabase.table('probes').delete().eq('id', self.id).execute()
+        if not result.data:
+            raise Exception('Failed to delete probe')
+
 @dataclass
 class Channel:
     """Channel model representing individual measurement channels"""
@@ -131,6 +148,19 @@ class Channel:
             channels.append(cls(**row))
         return channels
 
+    @classmethod
+    def get_by_serial(cls, serial_number: str):
+        """Get channel by serial number if it exists (case-sensitive exact match)"""
+        serial_upper = serial_number.upper()
+        supabase = get_supabase()
+        result = supabase.table('channels').select("*").eq('serial_number', serial_upper).execute()
+        if not result.data:
+            return None
+        row = result.data[0]
+        # Parse datetime string
+        row['created_at'] = datetime.fromisoformat(row['created_at']) if row['created_at'] else None
+        return cls(**row)
+
     @classmethod
     def create(cls, probe_id: str, serial_number: str, parameter_id: str):
         """Create a new channel"""
@@ -259,6 +289,25 @@ class Calibration:
         result = supabase.table('calibrations').select("*").eq('work_order_id', work_order_id).execute()
         return [cls(**row) for row in result.data] if result.data else []
 
+    @classmethod
+    def get_by_channel(cls, channel_id: str):
+        """Get all calibrations for a specific channel"""
+        supabase = get_supabase()
+        result = supabase.table('calibrations').select("*").eq('channel_id', channel_id).execute()
+        calibrations = []
+        for row in result.data if result.data else []:
+            try:
+                # Parse datetime strings
+                for date_field in ['std_cal_date', 'std_cal_due', 'date']:
+                    if row.get(date_field):
+                        row[date_field] = datetime.fromisoformat(row[date_field])
+                
+                calibrations.append(cls(**row))
+            except Exception as e:
+                print(f"Error parsing calibration data: {e}")
+                continue
+        return calibrations
+
 @dataclass
 class Customer:
     """Customer model representing clients who request calibrations"""