commit of homework no. 10 - invoice generator

Ukoly/DU_10/generator.py

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+#
+# české názvy jsou ponechány po vzoru zadání
+
+from datetime import datetime, timedelta
+import requests
+import random
+import json
+import qrcode
+now = datetime.now()
+url = (f'https://data.kurzy.cz/json/meny/b[2]den[{now.strftime("%Y%m%d")}].json')
+
+
+class CurrencyError(Exception):
+    def __init__(self, name):
+        self.name = name
+
+    def __str__(self):
+        return(f'Tato měna není na seznamu')
+
+
+class LoadExchangeRates():
+    def __init__(self, name):
+        self.name = name
+
+    def load_data(self):
+        exchange = requests.get(url=url)
+        with open("kurz_cnb.json", 'wb') as text_file:
+            text_file.write(exchange.content)
+
+    def exchange_rates(self):
+        with open("kurz_cnb.json", 'r') as text_file:
+            data = json.load(text_file)
+            json_date = datetime.strptime(data["den"], "%Y%m%d")
+            if now - json_date > timedelta(days=1):
+                LoadExchangeRates.load_data(self)
+
+
+class Payment:
+    def __init__(self, name, currency, amount_of_money):
+        self.name = name
+        self.currency = currency
+        self.amount_of_money = amount_of_money
+
+    def run_app(self):
+        if self.currency != 'KČ' or self.currency == None:
+            Convertor.convert(self)
+        LoadExchangeRates.load_data(self)
+        Generator.vs_generator(self)
+        Generator.qr_generator(self)
+
+
+class Convertor(Payment):
+    def convert(self):
+        with open("kurz_cnb.json", "r") as text_file:
+            data = json.load(text_file)
+            if self.currency in data["kurzy"]:
+                exchange_rate = data["kurzy"][self.currency]["dev_stred"]
+                exchange_unit = 1/data["kurzy"][self.currency]["jednotka"]
+                self.amount_of_money = int(self.amount_of_money) *\
+                    exchange_unit * exchange_rate
+                type(exchange_unit)
+            else:
+                raise CurrencyError(self)
+
+
+class Generator(Payment):
+    def vs_generator(self):
+        list_of_remaining_numbers = list(range(999999))
+        self.symbol = random.choice(list_of_remaining_numbers)
+        list_of_remaining_numbers.remove(self.symbol)
+
+    def qr_generator(self):
+        self.iban = 'CZ2030300000001280704082'
+        self.message = (f'SPD*1.0*ACC:{self.iban}*AM:{self.amount_of_money}\
+            *CC:CZK*X-VS:{self.symbol}*MSG:{self.name}')
+        self.qr = qrcode.QRCode(
+                version=1,
+                box_size=10,
+                border=5)
+
+        self.qr.add_data(self.message)
+        self.qr.make(fit=True)
+        img = self.qr.make_image(fill='black', back_color='white')
+        img.save(f'qr_code{self.symbol}.png')
+
+    def template_generator(self):
+        with open('template.html', 'r') as html_file:
+            data = html_file.read()
+            data = data.replace('symbol', str(self.symbol))
+            data = data.replace('name', self.name)
+            data = data.replace('amount_of_money', str(self.amount_of_money))
+            data = data.replace('iban', self.iban)
+            data = data.replace('qr_code', (f'qr_code{self.symbol}.png'))
+        with open(f'invoice{self.symbol}.html', 'w') as html_file:
+            html_file.write(data)
+
+
+print('''Generátor faktur.
+Částka v jiných měnách než Kč, bude převedena na koruny podle platného kurzu ČNB.''')
+payment = input('Zadej položku platby: ')
+amount_of_money = input('Částka: ')
+while not amount_of_money.isnumeric():
+    print('Částka musí být číslo')
+    amount_of_money = input('Částka: ')
+while int(amount_of_money) <= 0:
+    print('Částka musí být kladné číslo')
+    amount_of_money = int(input('Částka: '))
+currency = input('Měna: ').upper()
+payment = Payment(payment, currency, amount_of_money)
+
+
+Payment.run_app(payment)
+
+print('Generuji fakturu...')
+
+Generator.template_generator(payment)
+
+print(f'Faktura je hotová na odkaze <Ukoly/DU_10/invoice{payment.symbol}.html>')

Ukoly/DU_10/kurz_cnb.json

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+{"den":"20221202","denc":"2.12.2022","banka":"\u010Cesk\u00E1 spo\u0159itelna","url":"https://www.kurzy.cz/kurzy-men/kurzovni-listek/ceska-sporitelna/","kurzy":{
+"AUD":{"jednotka":1,"dev_stred":15.833,"dev_nakup":15.437,"dev_prodej":16.229,"val_stred":15.833,"val_nakup":15.28,"val_prodej":16.39,"nazev":"Australsk\u00FD dolar","url":"https://www.kurzy.cz/aud"},
+"GBP":{"jednotka":1,"dev_stred":28.456,"dev_nakup":27.745,"dev_prodej":29.168,"val_stred":28.456,"val_nakup":27.46,"val_prodej":29.45,"nazev":"Britsk\u00E1 libra","url":"https://www.kurzy.cz/gbp"},
+"BGN":{"jednotka":1,"dev_stred":12.466,"dev_nakup":12.155,"dev_prodej":12.778,"val_stred":0,"val_nakup":0,"val_prodej":0,"nazev":"Bulharsk\u00FD lev","url":"https://www.kurzy.cz/bgn"},
+"DKK":{"jednotka":1,"dev_stred":3.278,"dev_nakup":3.196,"dev_prodej":3.36,"val_stred":3.278,"val_nakup":3.16,"val_prodej":3.39,"nazev":"D\u00E1nsk\u00E1 koruna","url":"https://www.kurzy.cz/dkk"},
+"EUR":{"jednotka":1,"dev_stred":24.38,"dev_nakup":23.771,"dev_prodej":24.99,"val_stred":24.38,"val_nakup":23.53,"val_prodej":25.23,"nazev":"Euro","url":"https://www.kurzy.cz/eur"},
+"HKD":{"jednotka":1,"dev_stred":2.978,"dev_nakup":2.904,"dev_prodej":3.052,"val_stred":0,"val_nakup":0,"val_prodej":0,"nazev":"Hongkongsk\u00FD dolar","url":"https://www.kurzy.cz/hkd"},
+"HRK":{"jednotka":1,"dev_stred":3.229,"dev_nakup":3.149,"dev_prodej":3.31,"val_stred":3.229,"val_nakup":3.12,"val_prodej":3.34,"nazev":"Chorvatsk\u00E1 kuna","url":"https://www.kurzy.cz/hrk"},
+"JPY":{"jednotka":100,"dev_stred":17.082,"dev_nakup":16.655,"dev_prodej":17.51,"val_stred":17.082,"val_nakup":16.48,"val_prodej":17.68,"nazev":"Japonsk\u00FD jen","url":"https://www.kurzy.cz/jpy"},
+"ZAR":{"jednotka":1,"dev_stred":1.315,"dev_nakup":1.282,"dev_prodej":1.348,"val_stred":0,"val_nakup":0,"val_prodej":0,"nazev":"Jihoafrick\u00FD rand","url":"https://www.kurzy.cz/zar"},
+"CAD":{"jednotka":1,"dev_stred":17.263,"dev_nakup":16.832,"dev_prodej":17.695,"val_stred":17.263,"val_nakup":16.66,"val_prodej":17.87,"nazev":"Kanadsk\u00FD dolar","url":"https://www.kurzy.cz/cad"},
+"HUF":{"jednotka":100,"dev_stred":5.924,"dev_nakup":5.776,"dev_prodej":6.072,"val_stred":5.924,"val_nakup":5.72,"val_prodej":6.13,"nazev":"Ma\u010Farsk\u00FD forint","url":"https://www.kurzy.cz/huf"},
+"NOK":{"jednotka":1,"dev_stred":2.379,"dev_nakup":2.32,"dev_prodej":2.439,"val_stred":2.379,"val_nakup":2.3,"val_prodej":2.46,"nazev":"Norsk\u00E1 koruna","url":"https://www.kurzy.cz/nok"},
+"NZD":{"jednotka":1,"dev_stred":14.816,"dev_nakup":14.445,"dev_prodej":15.186,"val_stred":0,"val_nakup":0,"val_prodej":0,"nazev":"Novoz\u00E9landsk\u00FD dolar","url":"https://www.kurzy.cz/nzd"},
+"PLN":{"jednotka":1,"dev_stred":5.197,"dev_nakup":5.067,"dev_prodej":5.327,"val_stred":5.197,"val_nakup":5.01,"val_prodej":5.38,"nazev":"Polsk\u00FD zlot\u00FD","url":"https://www.kurzy.cz/pln"},
+"RON":{"jednotka":1,"dev_stred":4.946,"dev_nakup":4.822,"dev_prodej":5.07,"val_stred":0,"val_nakup":0,"val_prodej":0,"nazev":"Rumunsk\u00FD nov\u00FD lei","url":"https://www.kurzy.cz/ron"},
+"SEK":{"jednotka":1,"dev_stred":2.243,"dev_nakup":2.187,"dev_prodej":2.299,"val_stred":2.243,"val_nakup":2.16,"val_prodej":2.32,"nazev":"\u0160v\u00E9dsk\u00E1 koruna","url":"https://www.kurzy.cz/sek"},
+"CHF":{"jednotka":1,"dev_stred":24.715,"dev_nakup":24.097,"dev_prodej":25.332,"val_stred":24.715,"val_nakup":23.85,"val_prodej":25.58,"nazev":"\u0160v\u00FDcarsk\u00FD frank","url":"https://www.kurzy.cz/chf"},
+"TND":{"jednotka":1,"dev_stred":7.222,"dev_nakup":7.042,"dev_prodej":7.403,"val_stred":0,"val_nakup":0,"val_prodej":0,"nazev":"Tunisk\u00FD din\u00E1r","url":"https://www.kurzy.cz/tnd"},
+"TRY":{"jednotka":1,"dev_stred":1.244,"dev_nakup":1.213,"dev_prodej":1.275,"val_stred":0,"val_nakup":0,"val_prodej":0,"nazev":"Tureck\u00E1 lira","url":"https://www.kurzy.cz/try"},
+"USD":{"jednotka":1,"dev_stred":23.175,"dev_nakup":22.596,"dev_prodej":23.754,"val_stred":23.175,"val_nakup":22.36,"val_prodej":23.99,"nazev":"Americk\u00FD dolar","url":"https://www.kurzy.cz/usd"}}}

Ukoly/DU_10/template.html

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+<html>
+  <head>
+    <title>Faktura číslo 'symbol'</title>
+  </head>
+  <body>
+    <h1>Platba za name </h1>
+      <p>Částka: amount_of_money Kč</p>
+      <p>Na účet: iban </p>
+      <p>VS:  symbol </p>
+    <h2>QR platba</h2>
+      <p><img src="qr_code"></p>
+  </body>
+</html>

Ukoly/DU_9/class.py

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+class band_member:
+    def __init__(self, name):
+        self.name = name
+
+    def play(self):
+        print(f'{self.name} plays on {self.instrument}')
+
+
+class guitarist(band_member):
+    def play(self, number_of_strings):
+        self.number_of_strings = number_of_strings
+        if self.number_of_strings >= 4 and self.number_of_strings < 6:
+            self.instrument = 'bass guitar'
+        elif self.number_of_strings >= 6:
+            self.instrument = 'solo guitar'
+        super().play()
+
+
+class singer(band_member):
+    def play(self):
+        print(f'{self.name} sings')
+
+
+class drummer(band_member):
+    instrument = 'drums'
+
+    def __init__(self, name):
+        self.number_of_sticks = 2
+        super().__init__(name)
+
+    def throw_a_stick(self):
+        self.number_of_sticks += 1
+
+    def number_of_throwen_sticks(self):
+        if self.throw_a_stick():
+            self.number_of_sticks += 2
+        print(f'{self.name} allready threw {self.number_of_sticks} into the crowd.')
+
+
+Tom = singer('Tom')
+
+Jan = guitarist('Jan')
+Jan.number_of_strings = 4
+
+Vojta = guitarist('Vojta')
+Vojta.number_of_strings = 7
+
+Filip = guitarist('Filip')
+Filip.number_of_strings = 6
+
+Martin = drummer('Martin')
+for _ in range(3):
+    Martin.throw_a_stick()
+Martin.number_of_throwen_sticks()
+
+
+guitarists = [Jan, Vojta, Filip]
+members = [Martin, Tom]
+
+for guitarist in guitarists:
+    guitarist.play(guitarist.number_of_strings)
+
+for member in members:
+    member.play()