Send mail to users when the note balance is negative

apps/member/models.py

@@ -131,15 +131,22 @@ class Profile(models.Model):
         return reverse('user_detail', args=(self.pk,))
 
     def send_email_validation_link(self):
-        subject = _("Activate your Note Kfet account")
-        message = loader.render_to_string('registration/mails/email_validation_email.html',
+        subject = "[Note Kfet]" + _("Activate your Note Kfet account")
+        message = loader.render_to_string('registration/mails/email_validation_email.txt',
                                           {
                                               'user': self.user,
                                               'domain': os.getenv("NOTE_URL", "note.example.com"),
                                               'token': email_validation_token.make_token(self.user),
                                               'uid': urlsafe_base64_encode(force_bytes(self.user.pk)),
                                           })
-        self.user.email_user(subject, message)
+        html = loader.render_to_string('registration/mails/email_validation_email.txt',
+                                          {
+                                              'user': self.user,
+                                              'domain': os.getenv("NOTE_URL", "note.example.com"),
+                                              'token': email_validation_token.make_token(self.user),
+                                              'uid': urlsafe_base64_encode(force_bytes(self.user.pk)),
+                                          })
+        self.user.email_user(subject, message, html_message=html)
 
 
 class Club(models.Model):

apps/note/models/notes.py

@@ -7,6 +7,7 @@ from django.conf import settings
 from django.core.exceptions import ValidationError
 from django.core.validators import RegexValidator
 from django.db import models
+from django.template.loader import render_to_string
 from django.utils import timezone
 from django.utils.translation import gettext_lazy as _
 from polymorphic.models import PolymorphicModel
@@ -67,6 +68,13 @@ class Note(PolymorphicModel):
 
     pretty.short_description = _('Note')
 
+    @property
+    def last_negative_duration(self):
+        if self.balance >= 0 or self.last_negative is None:
+            return None
+        delta = timezone.now() - self.last_negative
+        return "{:d} jours".format(delta.days)
+
     def save(self, *args, **kwargs):
         """
         Save note with it's alias (called in polymorphic children)
@@ -128,6 +136,21 @@ class NoteUser(Note):
     def pretty(self):
         return _("%(user)s's note") % {'user': str(self.user)}
 
+    def save(self, *args, **kwargs):
+        if self.pk and self.balance < 0:
+            old_note = NoteUser.objects.get(pk=self.pk)
+            if old_note.balance >= 0:
+                # Passage en négatif
+                self.last_negative = timezone.now()
+                self.send_mail_negative_balance()
+        super().save(*args, **kwargs)
+
+    def send_mail_negative_balance(self):
+        plain_text = render_to_string("note/mails/negative_balance.txt", dict(note=self))
+        html = render_to_string("note/mails/negative_balance.html", dict(note=self))
+        self.user.email_user("[Note Kfet] Passage en négatif (compte n°{:d})"
+                             .format(self.user.pk), plain_text, html_message=html)
+
 
 class NoteClub(Note):
     """

apps/note/models/transactions.py

@@ -7,7 +7,7 @@ from django.utils import timezone
 from django.utils.translation import gettext_lazy as _
 from polymorphic.models import PolymorphicModel
 
-from .notes import Note, NoteClub, NoteSpecial
+from .notes import Note, NoteClub, NoteSpecial, NoteUser
 from ..templatetags.pretty_money import pretty_money
 
 """

locale/de/LC_MESSAGES/django.po

@@ -2128,33 +2128,33 @@ msgstr ""
 msgid "Forgotten your password or username?"
 msgstr ""
 
-#: templates/registration/mails/email_validation_email.html:3
+#: templates/registration/mails/email_validation_email.txt:3
 msgid "Hi"
 msgstr ""
 
-#: templates/registration/mails/email_validation_email.html:5
+#: templates/registration/mails/email_validation_email.txt:5
 msgid ""
 "You recently registered on the Note Kfet. Please click on the link below to "
 "confirm your registration."
 msgstr ""
 
-#: templates/registration/mails/email_validation_email.html:9
+#: templates/registration/mails/email_validation_email.txt:9
 msgid ""
 "This link is only valid for a couple of days, after that you will need to "
 "contact us to validate your email."
 msgstr ""
 
-#: templates/registration/mails/email_validation_email.html:11
+#: templates/registration/mails/email_validation_email.txt:11
 msgid ""
 "After that, you'll have to wait that someone validates your account before "
 "you can log in. You will need to pay your membership in the Kfet."
 msgstr ""
 
-#: templates/registration/mails/email_validation_email.html:13
+#: templates/registration/mails/email_validation_email.txt:13
 msgid "Thanks"
 msgstr ""
 
-#: templates/registration/mails/email_validation_email.html:15
+#: templates/registration/mails/email_validation_email.txt:15
 msgid "The Note Kfet team."
 msgstr ""
 

locale/fr/LC_MESSAGES/django.po

@@ -2197,11 +2197,11 @@ msgstr ""
 msgid "Forgotten your password or username?"
 msgstr "Mot de passe ou pseudo oublié ?"
 
-#: templates/registration/mails/email_validation_email.html:3
+#: templates/registration/mails/email_validation_email.txt:3
 msgid "Hi"
 msgstr "Bonjour"
 
-#: templates/registration/mails/email_validation_email.html:5
+#: templates/registration/mails/email_validation_email.txt:5
 msgid ""
 "You recently registered on the Note Kfet. Please click on the link below to "
 "confirm your registration."
@@ -2209,7 +2209,7 @@ msgstr ""
 "Vous vous êtes inscrits récemment sur la Note Kfet. Merci de cliquer sur le "
 "lien ci-dessous pour confirmer votre adresse email."
 
-#: templates/registration/mails/email_validation_email.html:9
+#: templates/registration/mails/email_validation_email.txt:9
 msgid ""
 "This link is only valid for a couple of days, after that you will need to "
 "contact us to validate your email."
@@ -2217,7 +2217,7 @@ msgstr ""
 "Ce lien n'est valide que pendant quelques jours. Après cela, vous devrez "
 "nous contacter pour valider votre email."
 
-#: templates/registration/mails/email_validation_email.html:11
+#: templates/registration/mails/email_validation_email.txt:11
 msgid ""
 "After that, you'll have to wait that someone validates your account before "
 "you can log in. You will need to pay your membership in the Kfet."
@@ -2225,11 +2225,11 @@ msgstr ""
 "Après cela, vous devrez attendre que quelqu'un valide votre compte avant de "
 "pouvoir vous connecter. Vous devrez payer votre adhésion à la Kfet."
 
-#: templates/registration/mails/email_validation_email.html:13
+#: templates/registration/mails/email_validation_email.txt:13
 msgid "Thanks"
 msgstr "Merci"
 
-#: templates/registration/mails/email_validation_email.html:15
+#: templates/registration/mails/email_validation_email.txt:15
 msgid "The Note Kfet team."
 msgstr "L'équipe de la Note Kfet."
 

static/js/transfer.js

@@ -333,9 +333,9 @@ $("#btn_transfer").click(function() {
                 "polymorphic_ctype": SPECIAL_TRANSFER_POLYMORPHIC_CTYPE,
                 "resourcetype": "SpecialTransaction",
                 "source": source_id,
-                "source_alias": sources_notes_display[0].name,
+                "source_alias": sources_notes_display.length ? sources_notes_display[0].name : null,
                 "destination": dest_id,
-                "destination_alias": dests_notes_display[0].name,
+                "destination_alias": dests_notes_display.length ? dests_notes_display[0].name : null,
                 "last_name": $("#last_name").val(),
                 "first_name": $("#first_name").val(),
                 "bank": $("#bank").val()

templates/note/mails/negative_balance.html

@@ -0,0 +1,44 @@
+{% load pretty_money %}
+
+<!DOCTYPE html>
+<html lang="fr">
+<head>
+    <meta charset="UTF-8">
+    <title>Passage en négatif (compte n°{{ note.user.pk }})</title>
+</head>
+<body>
+<p>
+    Bonjour {{ note.user.first_name }} {{ note.user.last_name }},
+</p>
+
+<p>
+    Ce mail t'a été envoyé parce que le solde de ta Note Kfet {{ note }} est négatif !
+</p>
+
+<p>
+    Ton solde actuel est de {{ note.balance|pretty_money }}.
+</p>
+
+<p>
+    Par ailleurs, le BDE ne sert pas d'alcool aux adhérents dont le solde
+    est inférieur à 0 € depuis plus de 24h.
+</p>
+
+<p>
+    Si tu ne comprends pas ton solde, tu peux consulter ton historique
+    sur <a href="{% url "member:user_detail" pk=note.user.pk %}">ton compte</a>.
+</p>
+
+<p>
+    Tu peux venir recharger ta note rapidement à la Kfet, ou envoyer un mail à
+    la trésorerie du BdE (<a href="mailto:tresorerie.bde@lists.crans.org">tresorerie.bde@lists.crans.org</a>)
+    pour payer par virement bancaire.
+</p>
+
+--
+<p>
+    Le BDE<br>
+    Mail généré par la Note Kfet le {% now "j F Y à H:i:s" %}
+</p>
+</body>
+</html>

templates/note/mails/negative_balance.txt

@@ -0,0 +1,23 @@
+{% load pretty_money %}
+
+Bonjour {{ note.user.first_name }} {{ note.user.last_name }},
+
+Ce mail t'a été envoyé parce que le solde de ta Note Kfet
+{{ note }} est négatif !
+
+Ton solde actuel est de {{ note.balance|pretty_money }}.
+
+Par ailleurs, le BDE ne sert pas d'alcool aux adhérents dont le solde
+est inférieur à 0 € depuis plus de 24h.
+
+Si tu ne comprends pas ton solde, tu peux consulter ton historique
+sur ton compte {% url "member:user_detail" pk=note.user.pk %}
+
+Tu peux venir recharger ta note rapidement à la Kfet, ou envoyer un mail à
+la trésorerie du BdE (tresorerie.bde@lists.crans.org) pour payer par
+virement bancaire.
+
+--
+Le BDE
+
+Mail généré par la Note Kfet le {% now "j F Y à H:i:s" %}

templates/note/mails/negative_notes_report.html

@@ -0,0 +1,41 @@
+{% load pretty_money %}
+
+<!DOCTYPE html>
+<html lang="fr">
+<head>
+    <meta charset="UTF-8">
+    <title>[Note Kfet] Liste des négatifs</title>
+</head>
+<body>
+<table>
+<thead>
+<tr>
+    <th>Nom</th>
+    <th>Prénom</th>
+    <th>Pseudo</th>
+    <th>Email</th>
+    <th>Solde</th>
+    <th>Durée</th>
+</tr>
+</thead>
+<tbody>
+    {% for note in notes %}
+        <tr>
+            <td>{{ note.user.last_name }}</td>
+            <td>{{ note.user.first_name }}</td>
+            <td>{{ note.user.username }}</td>
+            <td>{{ note.user.email }}</td>
+            <td>{{ note.balance|pretty_money }}</td>
+            <td>{{ note.last_negative_duration }}</td>
+        </tr>
+    {% endfor %}
+</tbody>
+</table>
+
+--
+<p>
+    Le BDE<br>
+    Mail généré par la Note Kfet le {% now "j F Y à H:i:s" %}
+</p>
+</body>
+</html>

templates/note/mails/negative_notes_report.txt

@@ -0,0 +1,12 @@
+{% load pretty_money %}
+
+         Nom         |   Prénom   |     Pseudo      |               Email               |  Solde   |   Durée
+---------------------+------------+-----------------+-----------------------------------+----------+-----------
+{% for note in notes %}
+{{ note.user.last_name }} | {{ note.user.first_name }} | {{ note.user.username }} | {{ note.user.email }} | {{ note.balance|pretty_money }} | {{ note.last_negative_duration }}
+{% endfor %}
+
+--
+Le BDE
+
+Mail généré par la Note Kfet le {% now "j F Y à H:i:s" %}

templates/registration/mails/email_validation_email.html

@@ -1,15 +1,41 @@
 {% load i18n %}
 
-{% trans "Hi" %} {{ user.username }},
+<!DOCTYPE html>
+<html lang="fr">
+<head>
+    <meta charset="UTF-8">
+    <title>Passage en négatif (compte n°{{ note.user.pk }})</title>
+</head>
+<body>
 
-{% trans "You recently registered on the Note Kfet. Please click on the link below to confirm your registration." %}
+<p>
+    {% trans "Hi" %} {{ user.username }},
+</p>
 
-https://{{ domain }}{% url 'registration:email_validation' uidb64=uid token=token %}
+<p>
+    {% trans "You recently registered on the Note Kfet. Please click on the link below to confirm your registration." %}
+</p>
 
-{% trans "This link is only valid for a couple of days, after that you will need to contact us to validate your email." %}
+<p>
+    <a href="https://{{ domain }}{% url 'registration:email_validation' uidb64=uid token=token %}">
+        https://{{ domain }}{% url 'registration:email_validation' uidb64=uid token=token %}
+    </a>
+</p>
 
-{% trans "After that, you'll have to wait that someone validates your account before you can log in. You will need to pay your membership in the Kfet." %}
+<p>
+    {% trans "This link is only valid for a couple of days, after that you will need to contact us to validate your email." %}
+</p>
 
-{% trans "Thanks" %},
+<p>
+    {% trans "After that, you'll have to wait that someone validates your account before you can log in. You will need to pay your membership in the Kfet." %}
+</p>
 
-{% trans "The Note Kfet team." %}
+<p>
+    {% trans "Thanks" %},
+</p>
+
+--
+<p>
+    {% trans "The Note Kfet team." %}
+    Mail généré par la Note Kfet le {% now "j F Y à H:i:s" %}
+</p>

templates/registration/mails/email_validation_email.txt

@@ -0,0 +1,16 @@
+{% load i18n %}
+
+{% trans "Hi" %} {{ user.username }},
+
+{% trans "You recently registered on the Note Kfet. Please click on the link below to confirm your registration." %}
+
+https://{{ domain }}{% url 'registration:email_validation' uidb64=uid token=token %}
+
+{% trans "This link is only valid for a couple of days, after that you will need to contact us to validate your email." %}
+
+{% trans "After that, you'll have to wait that someone validates your account before you can log in. You will need to pay your membership in the Kfet." %}
+
+{% trans "Thanks" %},
+
+{% trans "The Note Kfet team." %}
+Mail généré par la Note Kfet le {% now "j F Y à H:i:s" %}