1 | ## $Id$ |
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2 | ## |
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3 | ## Copyright (C) 2022 Uli Fouquet & Henrik Bettermann |
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4 | ## This program is free software; you can redistribute it and/or modify |
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5 | ## it under the terms of the GNU General Public License as published by |
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6 | ## the Free Software Foundation; either version 2 of the License, or |
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7 | ## (at your option) any later version. |
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8 | ## |
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9 | ## This program is distributed in the hope that it will be useful, |
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10 | ## but WITHOUT ANY WARRANTY; without even the implied warranty of |
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11 | ## MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the |
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12 | ## GNU General Public License for more details. |
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13 | ## |
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14 | ## You should have received a copy of the GNU General Public License |
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15 | ## along with this program; if not, write to the Free Software |
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16 | ## Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA |
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17 | ## |
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18 | # Classes that represent entitites needed when dealing with paypal. |
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19 | import datetime |
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20 | import grok |
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21 | from zope.component import queryUtility |
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22 | from kofacustom.nigeria.paypal.interfaces import IPaypalConfig |
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23 | |
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24 | |
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25 | def module_activated(session, payment): |
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26 | if not payment.p_currency in ('USD',): |
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27 | return False |
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28 | if queryUtility(IPaypalConfig) is None: |
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29 | return False |
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30 | if getattr(payment, 'r_company', '') and payment.r_company != 'paypal': |
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31 | return False |
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32 | config = grok.getSite()['configuration'] |
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33 | session_conf = config.get(str(session)) or config.get(str( |
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34 | datetime.datetime.now().year)) |
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35 | return getattr(session_conf, "paypal_enabled", False) |
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36 | |
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37 | |
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38 | class Amount(object): |
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39 | """Paypal Amount |
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40 | |
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41 | A structure that represents amounts of money. |
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42 | """ |
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43 | |
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44 | def __init__(self, value="0.00", currency_code="USD"): |
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45 | if type(value) in (int, float): |
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46 | value = "%.2f" % round(value, 2) |
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47 | self.value = value |
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48 | self.currency_code = currency_code |
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49 | |
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50 | def json(self): |
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51 | return dict(value=self.value, currency_code=self.currency_code) |
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52 | |
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53 | |
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54 | class PurchaseUnit(object): |
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55 | """Paypal purchase unit. |
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56 | |
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57 | When creating paypal orders, the single things to be paid are passed |
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58 | formatted as `purchase units`. |
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59 | """ |
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60 | |
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61 | def __init__(self, description="", amount=Amount(), custom_id=None): |
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62 | self.description = description |
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63 | self.amount = amount |
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64 | self.custom_id = custom_id |
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65 | |
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66 | def json(self): |
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67 | result = dict( |
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68 | amount=self.amount.json(), |
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69 | description=self.description, |
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70 | ) |
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71 | if self.custom_id is not None: |
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72 | result["custom_id"] = self.custom_id |
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73 | return result |
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