243 lines
7.7 KiB
Python
243 lines
7.7 KiB
Python
from random import choice, choices
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from datetime import date, timedelta
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from flask import flash, session, redirect, url_for, request, render_template
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from sqlalchemy import desc
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from share import share
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from create_db import Card, Rating, get_session
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from settings import get_settings
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"""
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testing
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"""
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def autofill_ratings():
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dbsession = get_session()
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for i in range(100):
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card = Rating(user_id="1", card_id=choice([10, 13, 14, 75]), rating_value=choice(["Maybe", "No"]), rating_time=date.today()-timedelta(choice([i for i in range(100)])))
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dbsession.add(card)
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dbsession.commit()
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dbsession.close()
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return None
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"""
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Config
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"""
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maybe_factor = 1.2
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no_factor = 2.1
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"""
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Main fuctions
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"""
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def calculate_interval(sorted_rates, maybe_factor, no_factor):
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if sorted_rates == []:
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return 1
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elif sorted_rates[0].rating_value == "Yes":
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return 1
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elif sorted_rates[0].rating_value == "Maybe":
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sorted_rates.pop(0)
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return calculate_interval(sorted_rates, maybe_factor, no_factor) * maybe_factor
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elif sorted_rates[0].rating_value == "No":
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sorted_rates.pop(0)
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return calculate_interval(sorted_rates, maybe_factor, no_factor) * no_factor
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elif sorted_rates[0].rating_value == "Delete":
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return -1 #"Deleted"
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def get_interval(card_id):
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"""
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takes card_id looks at the history of rates and gives the current interval
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"""
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dbsession = get_session()
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sorted_rates_by_card = dbsession.query(Rating).filter(Rating.card_id == card_id).order_by(desc(Rating.rating_time)).all()
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dbsession.close()
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if sorted_rates_by_card == None:
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print("ni kart... kaj zdaj") #@TODO
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return None
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else:
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interval = calculate_interval(sorted_rates_by_card, maybe_factor, no_factor)
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return round(interval)
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#to vključuje tudi new...
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def is_due(card_id):
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dbsession = get_session()
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interval = get_interval(card_id)
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if interval < 0:
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return False
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last_rating_date = dbsession.query(Rating).filter(Rating.card_id == card_id).order_by(desc(Rating.rating_time)).first()
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if last_rating_date == None:
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dbsession.close()
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return True
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due_date = last_rating_date.rating_time + timedelta(interval)
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dbsession.close()
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return date.today() >= due_date
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def list_of_due_cards_by_ids(user_id):
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dbsession = get_session()
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cards = dbsession.query(Card).filter(Card.owner_id == user_id).all()
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l = []
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for card in cards:
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if is_due(card.id):
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l.append(card.id)
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dbsession.close()
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return l
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def list_of_new_cards_by_ids(user_id):
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dbsession = get_session()
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cards = dbsession.query(Card).filter(Card.owner_id == user_id).all()
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l = []
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for card in cards:
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rating = dbsession.query(Rating).filter(Rating.card_id == card.id).first()
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if rating == None:
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l.append(card.id)
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dbsession.close()
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return l
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#TODO sus ker ni user id?
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def rated_today_by_staus (card_status, user_id):
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"""
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Returns number of cards rated today by user by status (new or due)
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"""
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dbsession = get_session()
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today = date.today()
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ratings_today = dbsession.query(Rating).filter(
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Rating.rating_time == today,
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Rating.user_id == user_id
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)
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n = 0
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d = 0
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for rating in ratings_today:
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count_all_rates_of_card = dbsession.query(Card).filter(Card.id == rating.card_id).count()
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if count_all_rates_of_card == 1:
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n+=1
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elif count_all_rates_of_card > 1:
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d+=1
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else:
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print("wtf")
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raise Exception("Count be wrong! There should be at least one rating")
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dbsession.close()
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if card_status == "new":
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return n
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elif card_status == "due":
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return d
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else:
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raise Exception("must input either 'new' or 'due' as parameter")
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def get_a_card_by_status(user_id, card_status):
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if card_status == "new":
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l = list_of_new_cards_by_ids(user_id)
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card_id = l[0]
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if card_status == "due":
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l = list_of_due_cards_by_ids(user_id)
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card_id = l[0]
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return card_id
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"""
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Export functions
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"""
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def schedule_status(user_id):
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"""
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Returns information needed for start/continue/done menu ui
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"""
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user_settings = get_settings(user_id)
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max_new = int(user_settings["max_new"])
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max_due = int(user_settings["max_due"])
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rated_new = rated_today_by_staus("new", user_id)
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rated_due = rated_today_by_staus("due", user_id)
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scheduled_new = len(list_of_new_cards_by_ids(user_id))
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scheduled_due = len(list_of_due_cards_by_ids(user_id))-scheduled_new #TODO ta problem je mogoče še kje...
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max_today_new = min(max_new, scheduled_new+rated_new)
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max_today_due = min(max_due, scheduled_due+rated_due)
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print("max_new_today", max_today_new)
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print("max_due_today", max_today_due)
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print("rated_due", rated_due)
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print("rated_new", rated_new)
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if max_today_due+max_today_new == rated_due+rated_new:
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return "done"
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elif rated_due+rated_new == 0:
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return "start"
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elif max_today_due+max_today_new > rated_due+rated_new:
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return "continue"
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else:
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raise Exception("Arithmetic problem with collection // rated too much?")
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def remaining_by_status(user_id, status):
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if status == "new":
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l = len(list_of_new_cards_by_ids(user_id))
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elif status == "due":
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l = len(list_of_due_cards_by_ids(user_id))
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return l
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"""
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Engine
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"""
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def sr_session():
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dbsession = get_session()
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#check if user in session
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if not 'user_id' in session:
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redirect(url_for('login'))
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user_id = session['user_id']
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username = session['username']
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#form sent?
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if request.method == 'POST':
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#get card_id from the card, rendered from the template, data actually from the template... why tho
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card_id = request.form.get('card_id', None)
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if not card_id:
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raise Exception("card_id necesarry!")
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#@TODO check if this card is part of the user's deck to prevent possibile hack?
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submit_card = dbsession.query(Card).get(card_id)
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# Share
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#@@TODO, this should not change the card
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share_request = request.form.get("share", None)
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if share_request:
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share(submit_card, user_id)
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#Rate
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else:
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rate = request.form.get('rate', None)
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if not rate:
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raise Exception("Need rate info!")
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r = Rating(user_id=user_id, card_id=submit_card.id, rating_value=rate, rating_time=date.today())
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dbsession.add(r)
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dbsession.commit()
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dbsession.close()
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user_settings = get_settings(user_id)
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max_new = user_settings["max_new"]
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max_due = user_settings["max_due"]
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all_new = len(list_of_new_cards_by_ids(user_id))
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all_due = len(list_of_due_cards_by_ids(user_id))
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rated_today_new = rated_today_by_staus("new", user_id)
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rated_today_due = rated_today_by_staus("due", user_id)
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#checks if there are any new/due cards left for today and gets the next one. max can be more than all scheduled, min decides which is the limt.
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if min(int(max_new), all_new) - int(rated_today_new) > 0:
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new_card_id=get_a_card_by_status(user_id, "new")
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elif min(int(max_due), all_due) - int(rated_today_due) > 0:
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new_card_id=get_a_card_by_status(user_id, "due")
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else:
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dbsession.close()
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flash("no more cards today")
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return redirect("/menu")
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show_card = dbsession.query(Card).get(new_card_id)
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interval = get_interval(new_card_id)
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#these factors should be better packaged
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return render_template("deck.html", username=username, card=show_card, maybe_in=round(interval*maybe_factor), no_in=round(no_factor*interval)) |