Create app.py

app.py

@@ -0,0 +1,47 @@
+# app.py
+from flask import Flask, render_template, request, redirect, url_for
+from translation_data import translation_dict_A, translation_dict_B
+
+app = Flask(__name__)
+
+# リストに変換
+english_sentences_A = list(translation_dict_A.keys())
+japanese_translations_A = list(translation_dict_A.values())
+english_sentences_B = list(translation_dict_B.keys())
+japanese_translations_B = list(translation_dict_B.values())
+
+@app.route('/')
+def index():
+    set_name = request.args.get('set', 'A')
+    index = int(request.args.get('index', 0))
+    if set_name == 'A':
+        english = english_sentences_A[index]
+        japanese = japanese_translations_A[index]
+    else:
+        english = english_sentences_B[index]
+        japanese = japanese_translations_B[index]
+    return render_template('index.html', set_name=set_name, index=index, english=english, japanese=japanese)
+
+@app.route('/next')
+def next_card():
+    set_name = request.args.get('set', 'A')
+    index = int(request.args.get('index', 0)) + 1
+    if set_name == 'A' and index >= len(english_sentences_A):
+        index = 0
+    elif set_name == 'B' and index >= len(english_sentences_B):
+        index = 0
+    return redirect(url_for('index', set=set_name, index=index))
+
+@app.route('/prev')
+def prev_card():
+    set_name = request.args.get('set', 'A')
+    index = int(request.args.get('index', 0)) - 1
+    if index < 0:
+        if set_name == 'A':
+            index = len(english_sentences_A) - 1
+        else:
+            index = len(english_sentences_B) - 1
+    return redirect(url_for('index', set=set_name, index=index))
+
+if __name__ == '__main__':
+    app.run(debug=True)