Small problem with next step handler. Changed db with todays_product bool

source/bot.py

@@ -26,6 +26,7 @@ import pandas
 
 from db import User, session, Product, Score
 from fetcher import *
+import helper_functions as hf
 
 
 load_dotenv(dotenv_path='.env')  # load environment variables
@@ -486,12 +487,22 @@ def time_in_range(start, end, current):
     """Returns whether current is in the range [start, end]""" # docstring is missing!!!!!
     return start <= current <= end
 
+def find_todays_product_from_db():
+    """Find todays product from db based on todays_product
+    """
+    product = None
+    for element in session.query(Product).all():
+        if element.todays_product:
+            product = element
+            break
+    return product
+
 @bot.message_handler(commands=['daily', 'Daily'])
 def daily_message(message):
-    """change user name
+    """send daily challenge
 
     Args:
-        message (Message): Message from telegram user, here /changename
+        message (Message): Message from telegram user, here /daily
 
     Returns:
         None: None
@@ -528,6 +539,35 @@ def daily_message(message):
         iteration-=1
         time.sleep(1)
 
+    product_for_today=find_todays_product_from_db()
+    bot.send_message(chat_id=user_id, text=str(hf.make_markdown_proof(product_for_today.image_link)), parse_mode="MARKDOWNV2")
+    start_time = time.time()
+    bot.register_next_step_handler((message,start_time), get_user_guess)
+
+def get_time_difference(start_time, end_time):
+    """Get time difference
+    """
+    return end_time - start_time
+
+def get_user_guess(message, start_time):
+    """Get users guess after typing /daily
+
+    Args:
+        message (Message): Message element to react to. In this case next step after /daily
+        start_time (time.time): Time the user got the image
+    """
+    end_time = time.time()
+    user_id = int(message.from_user.id)
+    user_guess = str(message.text)
+    if get_time_difference(start_time, end_time) > 35:
+        bot.send_message(chat_id=user_id, text="You took too long to guess.\n"
+                                                       "No more tries today.")
+        return
+    else:
+        message_text=f"You guessed {user_guess}€"
+        bot.send_message(chat_id=user_id, text = message_text)
+
+
 
 
 @bot.message_handler(commands=['addproduct', 'Addproduct'])

source/daily_challenge.py

@@ -9,14 +9,14 @@ __license__ = "None"
 
 import time
 import sys
-from apscheduler.schedulers.background import BackgroundScheduler
 import pandas
 import random
+from apscheduler.schedulers.background import BackgroundScheduler
+
 
 from bot import bot
 from db import User, session, Product
 
-
 CHALLENGE_READY = "0 8 * * *"
 CHALLENGE_OVER = "0 22 * * *"
 GET_NEW_PRODUCT = "0 0 * * *"
@@ -52,7 +52,7 @@ def start_challenges():
                         ,args = ("over", ))
 
     # Get new product
-    my_scheduler.add_job(get_todays_product, 'cron'\
+    my_scheduler.add_job(set_todays_product, 'cron'\
                         ,day_of_week = new_product_split[4] \
                         , hour= new_product_split[1] \
                         , minute = new_product_split[0]\
@@ -65,20 +65,42 @@ def start_challenges():
     my_scheduler.shutdown()
     start_challenges()
 
-def get_todays_product():
+
+def set_todays_product():
     """Get a random product from the database
 
     Returns:
         Product: random product
     """
+
+    # Find old product and set todays_product false
+
     products = []
     for element in session.query(Product).all():
-        products.append(element)
+        if element.todays_product:
+            element.todays_product = False
+            session.commit()
+            products.append(element)
+        else:
+            products.append(element)
 
     # choose random product
     random_product = products[int(len(products) * random.random())]
 
-    return random_product
+    # find product_id in db and delete element
+    session.query(Product).filter(Product.product_id == random_product.product_id).delete()
+
+    # insert with todays_product True
+    product=Product(
+        product_id=random_product.product_id,
+        price=random_product.price,
+        image_link=random_product.image_link,
+        title=random_product.title,
+        todays_product=True
+    )
+
+    session.add(product)
+    session.commit()
 
 
 def send_current_event(str_event):
@@ -102,9 +124,7 @@ def send_current_event(str_event):
 
 
 if __name__ == "__main__":
-    send_current_event("start")
-    time.sleep(10)
-
+    set_todays_product()
     try:
         start_challenges()
         sys.exit(-1)

source/db.py

@@ -49,10 +49,11 @@ class Product(Base):
     title = Column(String(5000))
     description = Column(String(5000))
     date = Column(DateTime)
+    todays_product = Column(Boolean)
 
     def __repr__(self):
-        return "<Product(product_id='%s', price='%s', image_link='%s', title='%s', description='%s', date='%s')>" % (
-            self.product_id, self.price, self.image_link, self.title, self.description, self.date)
+        return "<Product(product_id='%s', price='%s', image_link='%s', title='%s', description='%s', date='%s', todays_product='%s')>" % (
+            self.product_id, self.price, self.image_link, self.title, self.description, self.date, self.todays_product)
 
 
 # Create all tables by issuing CREATE TABLE commands to the DB.

source/helper_functions.py

@@ -0,0 +1,70 @@
+"""
+script for helper functions for bot related stuff
+"""
+__author__ = "Florian Kellermann, Linus Eickhoff, Florian Kaiser"
+__date__ = "28.05.2022"
+__version__ = "1.0.0"
+__license__ = "None"
+
+
+def contains_markdownv1_symbols(text):
+    """ checks if text contains markdown symbols
+    :type text: string
+
+    :param text: text to check
+
+    :return: true if text contains markdown symbols
+
+    :rtype: bool
+    """
+    if text.find("_") != -1 or text.find("*") != -1 or text.find("`") != -1:  # check if text contains relevant markdown symbols
+        return True
+
+    return False
+
+
+def make_markdown_proof(text):  # used to avoid errors related to markdown parsemode for telegram messaging
+    """ makes text markdown proof
+    :type text: string
+
+    :param text: text to make markdown proof
+
+    :return: markdown proof text
+
+    :rtype: string
+    """
+    text = str(text)
+
+    text = text.replace("_", "\\_")  # replace _ with \_ because \ is used as escape character in markdown, double escape is needed because \ is also a escape character in strings
+    text = text.replace("*", "\\*")
+    text = text.replace("`", "\\`")
+    text = text.replace("[", "\\[")
+    text = text.replace("]", "\\]")
+    text = text.replace("(", "\\(")
+    text = text.replace(")", "\\)")
+    text = text.replace("#", "\\#")
+    text = text.replace("+", "\\+")
+    text = text.replace("-", "\\-")
+    text = text.replace("!", "\\!")
+    text = text.replace(".", "\\.")
+    text = text.replace("?", "\\?")
+    text = text.replace("/", "\\/")
+    text = text.replace("~", "\\~")
+    text = text.replace("|", "\\|")
+    text = text.replace("<", "\\<")
+    text = text.replace(">", "\\>")
+    text = text.replace("&", "\\&")
+    text = text.replace("^", "\\^")
+    text = text.replace("$", "\\$")
+    text = text.replace("%", "\\%")
+    text = text.replace("=", "\\=")
+    text = text.replace("@", "\\@")
+
+    return text
+
+
+if __name__ == '__main__':
+    print("this is a module for helper functions for the bot and should not be run directly")
+    print(make_markdown_proof("_test_"))
+    text = make_markdown_proof("_test_")
+    print(f"{text}")