Check legality of all cards in list

pages/1_Check_Card_List.py

@@ -1,7 +1,56 @@
 import streamlit as st
+import pandas as pd
+import re
 
+
+def remove_number_of_copies(line: str) -> str:
+    if len(line.strip()) < 1:
+        return None
+    pattern = re.compile("^([0-9]+) +")
+    return pattern.sub("", line)
+
+
+def is_legal(cardname: str) -> bool:
+    if mslist_df[mslist_df["name"].str.lower() == cardname.lower()].shape[0] > 0:
+        return True
+    if mslist_df[mslist_df["name_ja"] == cardname].shape[0] > 0:
+        return True
+    return False
+
+
+mslist_path = "output/middleschool.csv"
+
+st.set_page_config(
+    page_title="Middle School | Check Card List",
+    page_icon="🃏",
+    layout="wide",
+)
 st.write(
     """
     # Middle School List Check
+
+    Paste or type your list here to confirm that every card in it is Middle School legal.
     """
 )
+
+mslist_df = pd.read_csv(mslist_path)
+mslist_df.fillna("", inplace=True)
+
+col1, col2 = st.columns(2)
+
+input_list = col1.text_area(
+    label="##### Card list", placeholder="4 Lightning Bolt\n4 ボール・ライトニング", height=400
+)
+
+cardnames = []
+
+for line in input_list.split("\n"):
+    cardname = remove_number_of_copies(line)
+    if cardname is not None:
+        cardnames.append(remove_number_of_copies(cardname))
+
+input_cards = pd.DataFrame(cardnames, columns=["name"])
+input_cards["legal"] = input_cards["name"].apply(is_legal)
+
+col2.write("##### Middle School legality")
+col2.dataframe(input_cards, use_container_width=True)