major rewrite, use conversation handler for settings, user can set interval for getting notifications

src/commands/config.py

@@ -0,0 +1,121 @@
+from telegram import Update, InlineKeyboardButton, InlineKeyboardMarkup, ReplyKeyboardRemove, ParseMode
+from telegram.ext import CommandHandler, MessageHandler, Filters, ConversationHandler, CallbackQueryHandler, CallbackContext
+
+from utils import Section
+
+MENU, API_KEY, FREQUENCY = range(3)
+
+
+def show_menu(update: Update, context: CallbackContext):
+    keyboard = [
+        [InlineKeyboardButton('API Key', callback_data=API_KEY)],
+        [InlineKeyboardButton('Frequency', callback_data=FREQUENCY)],
+        [InlineKeyboardButton('Done', callback_data=ConversationHandler.END)],
+    ]
+    update.effective_user.send_message(
+        '_Current settings:_\n'
+        f'API Key: *{context.user_data[Section.API_Key.value]}*\n'
+        f'Frequency: *{context.user_data[Section.Frequency.value]}*\n'
+        '\nWhat settings do you want to configure?',
+        parse_mode=ParseMode.MARKDOWN,
+        reply_markup=InlineKeyboardMarkup(keyboard, one_time_keyboard=True)
+    )
+
+    return MENU
+
+
+def show_menu_api_key(update: Update, context: CallbackContext):
+    update.effective_user.send_message(
+        'Send me your API Key 🙂'
+        '\nor /cancel',
+        reply_markup=ReplyKeyboardRemove()
+    )
+    return API_KEY
+
+
+def show_menu_frequency(update: Update, context: CallbackContext):
+    keyboard = [
+        [InlineKeyboardButton('2 minutes', callback_data='2m'), InlineKeyboardButton(
+            '30 minutes', callback_data='30m')],
+        [InlineKeyboardButton('hour', callback_data='1h'), InlineKeyboardButton(
+            '4 hours', callback_data='4h')],
+        [InlineKeyboardButton('12 hours', callback_data='12h'), InlineKeyboardButton(
+            'day', callback_data='1d')],
+        [InlineKeyboardButton('3 days', callback_data='3d'), InlineKeyboardButton(
+            'week', callback_data='1w')],
+        [InlineKeyboardButton('Cancel', callback_data='cancel')],
+    ]
+    update.effective_user.send_message(
+        'Send me updates every: ⬇',
+        reply_markup=InlineKeyboardMarkup(keyboard)
+    )
+
+    return FREQUENCY
+
+
+def config(update: Update, context: CallbackContext):
+    context.bot.delete_message(
+        chat_id=update.message.chat_id,
+        message_id=update.message.message_id,
+    )
+    return show_menu(update, context)
+
+
+def menu(update: Update, context: CallbackContext):
+    selected = int(update.callback_query.data)
+
+    context.bot.delete_message(
+        chat_id=update.callback_query.message.chat_id,
+        message_id=update.callback_query.message.message_id,
+    )
+
+    if selected == API_KEY:
+        return show_menu_api_key(update, context)
+    elif selected == FREQUENCY:
+        return show_menu_frequency(update, context)
+    else:
+        return ConversationHandler.END
+
+
+def set_api_key(update, context):
+    reply = update.message.text
+    context.user_data[Section.API_Key.value] = reply
+    update.message.reply_text(f'Saved {reply} 💾', reply_markup=ReplyKeyboardRemove())
+
+    return show_menu(update, context)
+
+
+def set_frequency(update: Update, context: CallbackContext):
+    selected = update.callback_query.data
+
+    if selected != 'cancel':
+        update.callback_query.edit_message_text(f'Saved {selected} 💪')
+        context.user_data[Section.Frequency.value] = selected
+    else:
+        context.bot.delete_message(
+            chat_id=update.callback_query.message.chat_id,
+            message_id=update.callback_query.message.message_id,
+        )
+
+    return show_menu(update, context)
+
+
+def cancel(update: Update, context: CallbackContext):
+    update.message.reply_text('Canceled', reply_markup=ReplyKeyboardRemove())
+    return ConversationHandler.END
+
+
+config_handler = ConversationHandler(
+    entry_points=[CommandHandler('config', config)],
+
+    states={
+        MENU: [CallbackQueryHandler(menu)],
+        API_KEY: [
+            CommandHandler('cancel', cancel),
+            MessageHandler(Filters.all, set_api_key),
+        ],
+        FREQUENCY: [CallbackQueryHandler(set_frequency)],
+    },
+
+    fallbacks=[CommandHandler('cancel', cancel)]
+)