inital checkin

decks/utils.py

@@ -0,0 +1,61 @@
+import re
+
+def parse_deck_list(text):
+    """
+    Parses a deck list string and returns a list of dictionaries with quantity, card name, and is_sideboard.
+    
+    Supported formats:
+    - Arena/Moxfield: "1 Laughing Jasper Flint (OTJ) 215 *F*"
+    - MTGO: "1 Arcane Signet"
+    - Plain Text: "1 Arcane Signet"
+    
+    Returns:
+        list of dict: [{'quantity': int, 'name': str, 'is_sideboard': bool}]
+    """
+    lines = text.strip().split('\n')
+    parsed_cards = []
+    is_sideboard = False
+    
+    # Regex for Arena/Moxfield lines: e.g., "1 Card Name (SET) 123"
+    # Captures: Qty, Name
+    # We ignore Set code and collector number for lookup simplicity for now, relying on name.
+    # Pattern: Digit+ space Name space (SetCode) space ...
+    arena_pattern = re.compile(r'^(\d+)\s+(.+?)\s+\([A-Z0-9]+\)\s+\S+')
+    
+    # Regex for simple Quantity + Name: "1 Card Name"
+    simple_pattern = re.compile(r'^(\d+)\s+(.+)$')
+
+    for line in lines:
+        line = line.strip()
+        if not line:
+            continue
+            
+        if line.lower().startswith('sideboard'):
+            is_sideboard = True
+            continue
+            
+        # Try Arena/Moxfield/detailed format first
+        match = arena_pattern.match(line)
+        if match:
+            qty = int(match.group(1))
+            name = match.group(2).strip()
+            parsed_cards.append({
+                'quantity': qty,
+                'name': name,
+                'is_sideboard': is_sideboard
+            })
+            continue
+
+        # Try simple format
+        match = simple_pattern.match(line)
+        if match:
+            qty = int(match.group(1))
+            name = match.group(2).strip()
+            parsed_cards.append({
+                'quantity': qty,
+                'name': name,
+                'is_sideboard': is_sideboard
+            })
+            continue
+            
+    return parsed_cards