Add additional, model-imposed failsafe for (main) character deletion.

drakul/authentication/urls.py

@@ -1,5 +1,5 @@
 from django.contrib.auth import views as auth_views
-from django.urls import path
+from django.urls import path, reverse_lazy
 
 from . import views
 
@@ -8,7 +8,7 @@ urlpatterns = [
     # https://docs.djangoproject.com/en/2.2/topics/auth/default/#module-django.contrib.auth.views
     path("login/", auth_views.LoginView.as_view(), name="login"),
     path("logout/", auth_views.LogoutView.as_view(), name="logout"),
-    path("password_change/", auth_views.PasswordChangeView.as_view(success_url="/"), name="password_change"),
+    path("password_change/", auth_views.PasswordChangeView.as_view(success_url=reverse_lazy("user_profile")), name="password_change"),
 
     path("signup/", views.SignupView.as_view(), name="signup"),
 ]

drakul/bank/forms.py

@@ -6,10 +6,8 @@ from django import forms
 class BankImportForm(forms.Form):
     import_string = forms.CharField(widget=forms.Textarea)
 
-    def __init__(self, *args, **kwargs):
-        super().__init__(*args, **kwargs)
-        self.helper = FormHelper()
-        self.helper.layout = Layout(
-            Field("import_string"),
-            Submit("submit", "Import", css_class="btn btn-block btn-primary")
-        )
+    helper = FormHelper()
+    helper.layout = Layout(
+        Field("import_string"),
+        Submit("submit", "Import", css_class="btn btn-block btn-primary"),
+    )

drakul/base/templates/base.html

@@ -32,7 +32,7 @@
                             {% endif %}
                         </div>
                         {% if user.is_authenticated %}
-                            <span class="navbar-text">Logged in as <strong>{{ user.username }}</strong></span>
+                            <span class="navbar-text">Logged in as <a class="font-weight-bold" href="{% url 'user_profile' %}">{{ user.username }}</a></span>
                             <a class="btn btn-outline-danger ml-3" role="button" href="{% url 'logout' %}">Log Out</a>
                         {% else %}
                             <a class="btn btn-outline-info mr-1" role="button" href="{% url 'signup' %}">Sign Up</a>

drakul/base/templates/bootstrap4/table_inline_formset.html

@@ -0,0 +1,63 @@
+{% comment %}
+    Based on Crispy's default bootstrap4/table_inline_formset.html, but removed 'table-striped'
+    https://github.com/django-crispy-forms/django-crispy-forms/blob/master/crispy_forms/templates/bootstrap4/table_inline_formset.html
+{% endcomment %}
+
+
+{% load crispy_forms_tags %}
+{% load crispy_forms_utils %}
+{% load crispy_forms_field %}
+
+{% specialspaceless %}
+{% if formset_tag %}
+<form {{ flat_attrs|safe }} method="{{ form_method }}" {% if formset.is_multipart %} enctype="multipart/form-data"{% endif %}>
+{% endif %}
+    {% if formset_method|lower == 'post' and not disable_csrf %}
+        {% csrf_token %}
+    {% endif %}
+
+    <div>
+        {{ formset.management_form|crispy }}
+    </div>
+
+    <table{% if form_id %} id="{{ form_id }}_table"{% endif%} class="table table-sm">
+        <thead>
+            {% if formset.readonly and not formset.queryset.exists %}
+            {% else %}
+                <tr>
+                    {% for field in formset.forms.0 %}
+                        {% if field.label and not field.is_hidden %}
+                            <th for="{{ field.auto_id }}" class="col-form-label {% if field.field.required %}requiredField{% endif %}">
+                                {{ field.label|safe }}{% if field.field.required and not field|is_checkbox %}<span class="asteriskField">*</span>{% endif %}
+                            </th>
+                        {% endif %}
+                    {% endfor %}
+                </tr>
+            {% endif %}
+        </thead>
+
+        <tbody>
+            <tr class="d-none empty-form">
+                {% for field in formset.empty_form %}
+                    {% include 'bootstrap4/field.html' with tag="td" form_show_labels=False %}
+                {% endfor %}
+            </tr>
+
+            {% for form in formset %}
+                {% if form_show_errors and not form.is_extra %}
+                    {% include "bootstrap4/errors.html" %}
+                {% endif %}
+
+                <tr>
+                    {% for field in form %}
+                        {% include 'bootstrap4/field.html' with tag="td" form_show_labels=False %}
+                    {% endfor %}
+                </tr>
+            {% endfor %}
+        </tbody>
+    </table>
+
+    {% include "bootstrap4/inputs.html" %}
+
+{% if formset_tag %}</form>{% endif %}
+{% endspecialspaceless %}

drakul/raids/forms.py

@@ -31,7 +31,7 @@ class RaidResponseForm(ModelForm):
                         type="submit",
                         name="status",
                         value=RaidResponse.Status.SIGNED_UP,
-                        css_class=f"btn-block {'btn-success' if not is_signed_up else 'btn-primary'}"
+                        css_class=f"btn btn-block {'btn-success' if not is_signed_up else 'btn-primary'}"
                     ),
                     css_class="form-group col-md-3"
                 ),
@@ -41,7 +41,7 @@ class RaidResponseForm(ModelForm):
                         type="submit",
                         name="status",
                         value=RaidResponse.Status.BACKUP,
-                        css_class="btn-warning btn-block",
+                        css_class="btn btn-block btn-warning",
                         disabled=self.instance.pk and self.instance.status == RaidResponse.Status.BACKUP
                     ),
                     css_class="form-group col-md-2"
@@ -52,7 +52,7 @@ class RaidResponseForm(ModelForm):
                         type="submit",
                         name="status",
                         value=RaidResponse.Status.SIGNED_OFF,
-                        css_class="btn-danger btn-block",
+                        css_class="btn btn-block btn-danger",
                         disabled=self.instance.pk and self.instance.status == RaidResponse.Status.SIGNED_OFF
                     ),
                     css_class="form-group col-md-2"
@@ -72,35 +72,37 @@ class GuestRaidResponseForm(ModelForm):
     class Meta:
         model = RaidResponse
         fields = ["guest_name", "guest_klass", "role", "status"]
+        labels = {
+            "guest_name": "Name",
+            "guest_klass": "Class"
+        }
+
+    helper = FormHelper()
+    helper.layout = Layout(
+        Row(
+            Column("guest_name", css_class="col-12 col-md-3"),
+            Column("guest_klass", css_class="col-12 col-md-2"),
+            Column("role", css_class="col-12 col-md-2"),
+            Column("status", css_class="col-12 col-md-3"),
+            Column(
+                HTML("<label>&nbsp;</label>"),  # offsets the button consistent with the other input elements
+                Submit(
+                    "submit",
+                    "Add",
+                    css_class="btn btn-block btn-primary"
+                ),
+                css_class="form-group col-md-2"
+            ),
+            css_class="form-row"
+        )
+    )
+    helper.render_hidden_fields = True  # Include MultiFormMixin's hidden form_id_field_prefix
+    helper.form_tag = False
 
     def __init__(self, *args, **kwargs):
         super().__init__(*args, **kwargs)
-
         self.fields["status"].initial = RaidResponse.Status.SIGNED_UP
 
-        self.helper = FormHelper()
-        self.helper.layout = Layout(
-            Row(
-                Column("guest_name", css_class="col-12 col-md-3"),
-                Column("guest_klass", css_class="col-12 col-md-2"),
-                Column("role", css_class="col-12 col-md-2"),
-                Column("status", css_class="col-12 col-md-3"),
-                Column(
-                    HTML("<label>&nbsp;</label>"),  # offsets the button consistent with the other input elements
-                    StrictButton(
-                        "Add",
-                        type="submit",
-                        css_class=f"btn-block btn-primary"
-                    ),
-                    css_class="form-group col-md-2"
-                ),
-                css_class="form-row"
-            )
-        )
-        self.helper.render_hidden_fields = True  # Include MultiFormMixin's hidden form_id_field_prefix
-        self.helper.form_show_labels = True
-        self.helper.form_tag = False
-
 
 class RaidResponseChangeForm(ModelForm):
     class Meta:
@@ -118,8 +120,8 @@ class RaidForm(ModelForm):
 
     def __init__(self, *args, **kwargs):
         super().__init__(*args, **kwargs)
-        self.helper = FormHelper()
 
+        self.helper = FormHelper()
         if self.instance.pk is None:
             submit_button = Submit("submit", "Create", css_class="btn btn-success float-right")
         else:
@@ -134,16 +136,16 @@ class RaidForm(ModelForm):
             ),
             submit_button
         )
-        self.helper.render_hidden_fields = True
+        self.helper.render_hidden_fields = True  # Include MultiFormMixin's hidden form_id_field_prefix
 
 
 class RaidCommentForm(ModelForm):
     helper = FormHelper()
     helper.layout = Layout(
-        Field("body", label="lol"),
-        Submit("submit", "Submit"),
+        Field("body"),
+        Submit("submit", "Submit", css_class="btn btn-primary"),
     )
-    helper.render_hidden_fields = True
+    helper.render_hidden_fields = True  # Include MultiFormMixin's hidden form_id_field_prefix
     helper.form_show_labels = False
 
     class Meta:
@@ -163,16 +165,14 @@ RaidResponseFormSet = inlineformset_factory(
 class RaidResponseFormSetHelper(FormHelper):
     template = "raids/raid_response_table_inline_formset.html"
 
-    def __init__(self, form=None):
-        super().__init__(form)
-        self.layout = Layout(
-            Field("character", css_class="character-select"),
-            Field("guest_name", css_class="guest-name"),
-            Field("guest_klass", css_class="guest-klass"),
-            Field("role", css_class="role-select"),
-            Field("status", css_class="status-select"),
-            Field("group", css_class="group-select"),
-            Field("note"),
-            Field("attendance", css_class="attendance-input", style="width: 10ch"),
-        )
-        self.form_tag = False
+    layout = Layout(
+        Field("character", css_class="character-select"),
+        Field("guest_name", css_class="guest-name"),
+        Field("guest_klass", css_class="guest-klass"),
+        Field("role", css_class="role-select"),
+        Field("status", css_class="status-select"),
+        Field("group", css_class="group-select"),
+        Field("note"),
+        Field("attendance", css_class="attendance-input", style="width: 10ch"),
+    )
+    form_tag = False

drakul/raids/views.py

@@ -209,13 +209,13 @@ class RaidChangeView(PermissionRequiredMixin, SingleObjectMixin, MultiModelFormV
     def get_raid_response_formset_instance(self):
         return self.object
 
-    def get_success_url(self):
-        return reverse("raid_detail", kwargs={"pk": self.object.pk})
-
     def get_context_data(self, **kwargs):
         kwargs["raid_response_formset_helper"] = RaidResponseFormSetHelper()
         return super().get_context_data(**kwargs)
 
+    def get_success_url(self):
+        return reverse("raid_detail", kwargs={"pk": self.object.pk})
+
     def get(self, request, *args, **kwargs):
         self.object = self.get_object()
         return super().get(request, *args, **kwargs)

drakul/users/admin.py

@@ -1,6 +1,7 @@
 from django.contrib import admin
 from django.contrib.auth.admin import UserAdmin as DjangoUserAdmin
 
+from .forms import UserCharactersInlineFormSet
 from .models import User, Character, Rank
 
 
@@ -12,6 +13,7 @@ class RankAdmin(admin.ModelAdmin):
 
 class CharacterInline(admin.TabularInline):
     model = Character
+    formset = UserCharactersInlineFormSet  # disallows deleting user's main character
     fields = ["name", "klass", "role"]
     extra = 0
 

drakul/users/forms.py

@@ -1,6 +1,10 @@
-from django.forms import ModelForm
+from crispy_forms.helper import FormHelper
+from crispy_forms.layout import Layout, Field
+from django.core.exceptions import ValidationError, NON_FIELD_ERRORS
+from django.forms import ModelForm, inlineformset_factory, BaseInlineFormSet
 
 from .models import Character
+from ..users.models import User
 
 
 class CharacterForm(ModelForm):
@@ -8,3 +12,51 @@ class CharacterForm(ModelForm):
         model = Character
         fields = ["name", "klass", "role"]
 
+
+class UserForm(ModelForm):
+    class Meta:
+        model = User
+        fields = ["username", "rank", "main"]
+
+    def __init__(self, user, *args, **kwargs):
+        super().__init__(*args, **kwargs)
+        self.fields["rank"].disabled = True
+        self.fields["main"].queryset = user.characters
+
+    helper = FormHelper()
+    helper.layout = Layout(
+        Field("username"),
+        Field("rank"),
+        Field("main"),
+    )
+    helper.render_hidden_fields = True  # Include MultiFormMixin's hidden form_id_field_prefix
+    helper.form_tag = False
+
+
+class UserCharactersInlineFormSet(BaseInlineFormSet):
+    def clean(self):
+        super().clean()
+        for form in self.deleted_forms:
+            if form.instance == self.instance.main:
+                form._errors[NON_FIELD_ERRORS] = self.error_class(["Can't delete user's main character."])
+                raise ValidationError(["Can't delete user's main character."])
+
+
+UserCharactersFormSet = inlineformset_factory(
+    User,  # parent model
+    Character,
+    formset=UserCharactersInlineFormSet,
+    fields=["name", "klass", "role"],
+    can_delete=True,
+    extra=1
+)
+
+
+class UserCharactersFormSetHelper(FormHelper):
+    template = "bootstrap4/table_inline_formset.html"
+    layout = Layout(
+        Field("name"),
+        Field("klass"),
+        Field("role")
+    )
+    form_tag = False

drakul/users/migrations/0006_auto_20200924_2019.py

@@ -0,0 +1,19 @@
+# Generated by Django 3.1.1 on 2020-09-24 20:19
+
+from django.db import migrations, models
+import django.db.models.deletion
+
+
+class Migration(migrations.Migration):
+
+    dependencies = [
+        ('users', '0005_auto_20191121_1646'),
+    ]
+
+    operations = [
+        migrations.AlterField(
+            model_name='user',
+            name='main',
+            field=models.OneToOneField(on_delete=django.db.models.deletion.CASCADE, related_name='+', to='users.character'),
+        ),
+    ]

drakul/users/models.py

@@ -33,8 +33,7 @@ class User(AbstractUser):
     main = models.OneToOneField(
         "Character",
         related_name="+",
-        on_delete=models.CASCADE,
-        blank=True
+        on_delete=models.CASCADE  # has to cascade to allow User deletion, since 'main' Character is circularly related
     )
 
     rank = models.ForeignKey(
@@ -124,5 +123,12 @@ class Character(models.Model):
     def clean(self):
         self.name = self.name.capitalize()
 
+    def delete(self, *args, **kwargs):
+        if self.user.main == self:
+            # Sanity check: this is already checked by the profile and admin forms which allow character deletion, but
+            # we check it again to avoid unintentionally cascading the delete to the entire user.
+            raise ValidationError("Can't delete user's main character.")
+        return super().delete(*args, **kwargs)
+
     def __str__(self):
         return self.name

drakul/users/templates/users/profile.html

@@ -0,0 +1,30 @@
+{% extends "base.html" %}
+
+{% load crispy_forms_tags %}
+
+{% block title %}Profile{% endblock %}
+
+
+{% block content %}
+<div class="container">
+    <div class="card mb-3">
+        <h5 class="card-header">Profile</h5>
+        <div class="card-body">
+            <form method="post" action="{% url 'user_profile' %}">
+                {% crispy user_form %}
+                <div class="d-flex justify-content-end">
+                    <a class="btn btn-outline-info float-right mr-2" role="button" href="{% url 'password_change' %}">Change Password</a>
+                    <input class="btn btn-primary float-right" type="submit" name="submit" value="Save">
+                </div>
+            </form>
+            <div class="my-4"></div>
+            <h5>Characters</h5>
+            <hr>
+            <form method="post" class="table-borderless" action="{% url 'user_profile' %}">
+                {% crispy user_characters_formset user_characters_formset_helper %}
+                <input class="btn btn-primary float-right" type="submit" name="submit" value="Save">
+            </form>
+        </div>
+    </div>
+</div>
+{% endblock %}

drakul/users/urls.py

@@ -4,4 +4,5 @@ from . import views
 
 urlpatterns = [
     path("attendance/", views.AttendanceView.as_view(), name="attendance"),
+    path("profile/", views.UserProfileView.as_view(), name="user_profile"),
 ]

drakul/users/views.py

@@ -1,11 +1,16 @@
 from contextlib import suppress
 
+from django.contrib.auth.mixins import LoginRequiredMixin
 from django.db.models import Avg, Q, Value
 from django.db.models.functions import Coalesce
+from django.urls import reverse
 from django.utils import timezone
 from django.views.generic import TemplateView
+from django.views.generic.detail import SingleObjectMixin
 
+from .forms import UserForm, UserCharactersFormSet, UserCharactersFormSetHelper
 from .models import User
+from ..base.views import MultiModelFormView
 from ..raids.models import Raid, RaidResponse
 
 
@@ -47,6 +52,37 @@ class AttendanceView(TemplateView):
         return context
 
 
-# CharacterDetailView:
-    #slug_field = "title"
-    #slug_url_kwarg = "title"
+class UserProfileView(LoginRequiredMixin, SingleObjectMixin, MultiModelFormView):
+    template_name = "users/profile.html"
+    form_classes = {
+        "user_form": UserForm,
+        "user_characters_formset": UserCharactersFormSet
+    }
+
+    def get_object(self, queryset=None):
+        return self.request.user
+
+    def get_user_form_instance(self):
+        return self.object
+
+    def get_user_characters_formset_instance(self):
+        return self.object
+
+    def get_user_form_kwargs(self, kwargs):
+        kwargs["user"] = self.request.user
+        return kwargs
+
+    def get_context_data(self, **kwargs):
+        kwargs["user_characters_formset_helper"] = UserCharactersFormSetHelper()
+        return super().get_context_data(**kwargs)
+
+    def get_success_url(self):
+        return reverse("user_profile")
+
+    def get(self, request, *args, **kwargs):
+        self.object = self.get_object()
+        return super().get(request, *args, **kwargs)
+
+    def post(self, request, *args, **kwargs):
+        self.object = self.get_object()
+        return super().post(request, *args, **kwargs)