[rentals] Store more info on lockers and allow editing via front end

rentals/admin.py

@@ -1,6 +1,11 @@
 from django.contrib import admin
 
-from .models import LockerBank, LockerRental, LockerUnit
+from .models import LockerBank, LockerInfo, LockerUnit
+
+
+class LockerInfoInline(admin.TabularInline):
+    model = LockerInfo
+    extra = 0
 
 
 class LockerUnitInline(admin.TabularInline):
@@ -14,16 +19,14 @@ class LockerBankAdmin(admin.ModelAdmin):
     prepopulated_fields = {"slug": ("name",)}
 
 
-class LockerRentalInline(admin.TabularInline):
-    model = LockerRental
-    extra = 0
-
-
 @admin.register(LockerUnit)
 class LockerUnitAdmin(admin.ModelAdmin):
-    inlines = [LockerRentalInline]
+    inlines = [LockerInfoInline]
 
 
-@admin.register(LockerRental)
-class LockerRentalAdmin(admin.ModelAdmin):
-    search_fields = ["user__username", "locker_unit__bank__name"]
+@admin.register(LockerInfo)
+class LockerInfoAdmin(admin.ModelAdmin):
+    search_fields = ["renter__username", "locker_unit__bank__name"]
+    list_filter = ["locker_unit__bank", "locker_unit", "renter"]
+    list_display = ["locker_unit", "address", "blind_code", "bitting_code", "renter"]
+    list_display_links = ["locker_unit", "address"]

rentals/migrations/0001_initial.py

@@ -1,6 +1,5 @@
-# Generated by Django 3.2.11 on 2022-01-27 22:14
+# Generated by Django 4.0.2 on 2022-02-16 21:19
 
-from django.conf import settings
 import django.core.validators
 from django.db import migrations, models
 import django.db.models.deletion
@@ -11,7 +10,7 @@ class Migration(migrations.Migration):
     initial = True
 
     dependencies = [
-        migrations.swappable_dependency(settings.AUTH_USER_MODEL),
+        ("membershipworks", "0001_initial"),
     ]
 
     operations = [
@@ -71,7 +70,7 @@ class Migration(migrations.Migration):
             },
         ),
         migrations.CreateModel(
-            name="LockerRental",
+            name="LockerInfo",
             fields=[
                 (
                     "id",
@@ -84,19 +83,38 @@ class Migration(migrations.Migration):
                 ),
                 ("column", models.PositiveIntegerField()),
                 ("row", models.PositiveIntegerField()),
+                (
+                    "blind_code",
+                    models.CharField(
+                        blank=True,
+                        help_text="Stamped on some keys. Usually D###A.",
+                        max_length=5,
+                    ),
+                ),
+                (
+                    "bitting_code",
+                    models.CharField(
+                        blank=True,
+                        help_text="National Disc Tumbler, depths 1-4. Read bow-to-tip.",
+                        max_length=5,
+                    ),
+                ),
                 (
                     "locker_unit",
                     models.ForeignKey(
                         on_delete=django.db.models.deletion.CASCADE,
-                        related_name="rentals",
+                        related_name="lockers",
                         to="rentals.lockerunit",
                     ),
                 ),
                 (
-                    "user",
+                    "renter",
                     models.ForeignKey(
+                        blank=True,
+                        db_constraint=False,
+                        null=True,
                         on_delete=django.db.models.deletion.CASCADE,
-                        to=settings.AUTH_USER_MODEL,
+                        to="membershipworks.member",
                     ),
                 ),
             ],
@@ -107,4 +125,10 @@ class Migration(migrations.Migration):
                 fields=("bank", "index"), name="unique_bank_index"
             ),
         ),
+        migrations.AddConstraint(
+            model_name="lockerinfo",
+            constraint=models.UniqueConstraint(
+                fields=("locker_unit", "column", "row"), name="unique_locker_info"
+            ),
+        ),
     ]

rentals/models.py

@@ -1,7 +1,8 @@
-from django.contrib.auth import get_user_model
 from django.core import validators
 from django.db import models
 
+from membershipworks.models import Member
+
 
 class LockerBank(models.Model):
     """A set of locker units, placed together"""
@@ -46,29 +47,50 @@ class LockerUnit(models.Model):
     def number_for_locker(self, column: int, row: int) -> int:
         return row + self.first_number + (self.columns - column - 1) * self.rows
 
-    @property
     def iter_doors(self):
         for row in range(self.rows):
             for column in range(self.columns):
                 # TODO: filter could be optimized
+                (locker, _) = self.lockers.get_or_create(
+                    locker_unit=self, row=row, column=column
+                )
+
                 yield (
                     self.letter_for_column(column),
                     self.number_for_locker(column, row),
-                    self.rentals.filter(row=row, column=column),
+                    locker,
                 )
 
 
 # TODO: add check constraint to ensure that column and number are within locker_unit bounds
-# TODO: add unique constraint on (unit, row, column)?
-class LockerRental(models.Model):
-    """A rental of a single locker"""
+class LockerInfo(models.Model):
+    """Information about a single locker"""
 
     locker_unit = models.ForeignKey(
-        LockerUnit, on_delete=models.CASCADE, related_name="rentals"
+        LockerUnit, on_delete=models.CASCADE, related_name="lockers"
     )
     column = models.PositiveIntegerField()
     row = models.PositiveIntegerField()
-    user = models.ForeignKey(get_user_model(), on_delete=models.CASCADE)
+    blind_code = models.CharField(
+        max_length=5,
+        help_text="Stamped on some keys. Usually D###A.",
+        blank=True,
+    )
+    bitting_code = models.CharField(
+        max_length=5,
+        help_text="National Disc Tumbler, depths 1-4. Read bow-to-tip.",
+        blank=True,
+    )
+    renter = models.ForeignKey(
+        Member, on_delete=models.CASCADE, null=True, blank=True, db_constraint=False
+    )
+
+    class Meta:
+        constraints = [
+            models.UniqueConstraint(
+                fields=["locker_unit", "column", "row"], name="unique_locker_info"
+            )
+        ]
 
     @property
     def address(self) -> str:
@@ -77,4 +99,4 @@ class LockerRental(models.Model):
         return f"{letter}{number}"
 
     def __str__(self):
-        return f"{self.user}: {self.locker_unit}-{self.address}"
+        return f"{self.locker_unit}-{self.address} [{self.renter}]"

rentals/templates/rentals/lockers.dj.html

@@ -7,20 +7,21 @@
 {% block content %}
   <style>
   .locker-bank {
-    width: min-content;
     text-align: center;
   }
 
   .lockers {
-    padding: 1rem;
-    background-color: #333333;
-    border-radius: 0.4rem;
     display: flex;
-    gap: 0.5rem;
+    gap: 0.3rem;
+    flex-wrap: wrap;
+    justify-content: center;
   }
 
   .locker {
     display: grid;
+    background-color: #333333;
+    border-radius: 0.4rem;
+    padding: 0.7rem;
     gap: 0.5rem;
   }
 
@@ -40,47 +41,79 @@
     grid-template-columns: repeat(10, min-content);
   }
 
-.locker .door {
-  background-color: hsl(24, 100%, 25%);
-  border: 0.2rem solid black;
-  border-radius: 0.5rem;
-  width: 7rem;
-  aspect-ratio: 1;
-  display: flex;
-  flex-direction: column;
-  align-items: center;
-  justify-content: center;
-  color: lightgray;
-}
-.locker .door:not([data-rentals="0"]) {
-  background-color: hsl(24, 15%, 25%);;
-}
+  .locker .door {
+    background-color: hsl(24, 100%, 25%);
+    border: 0.2rem solid black;
+    border-radius: 0.5rem;
+    width: 7rem;
+    aspect-ratio: 1;
+    display: flex;
+    flex-direction: column;
+    align-items: center;
+    justify-content: center;
+    color: lightgray;
+  }
+  .locker .door:not([data-rented="false"]) {
+    background-color: hsl(24, 15%, 25%);;
+  }
   </style>
-  {% for bank in locker_banks %}
+  {% for bank, units in locker_banks.items %}
     <div class="locker-bank" data-bank="{{ bank.slug }}">
       <h2>{{ bank.name }}</h2>
       <div>{{ bank.location }}</div>
       <div class="lockers">
-        {% for unit in bank.units.all %}
+        {% for unit, lockers in units.items %}
           <div class="locker" data-columns="{{ unit.columns }}">
-            {% for row, column, rentals in unit.iter_doors %}
-              <div class="door"
-                   data-rentals="{{ rentals|length }}"
-                   data-row="{{ row }}"
-                   data-column="{{ column }}">
-                <h3 class="locker-name">{{ bank.initial }}{{ row }}{{ column }}</h3>
-                <div class="locker-status">
-                  {% if rentals|length > 0 %}
-                    {# TODO: Should check for more specific permission #}
-                    {% if user.is_staff %}
-                      {% for rental in rentals %}{{ rental.user }}{% endfor %}
+            {% for row, column, locker, form in lockers %}
+              <div class="dropdown">
+                <span class="door {{ perms.rentals.view_lockerinfo|yesno:"btn dropdown-toggle," }}"
+                      data-bs-toggle="dropdown"
+                      aria-haspopup="true"
+                      aria-expanded="false"
+                      data-rented="{{ locker.renter|yesno:"true,false" }}"
+                      data-row="{{ row }}"
+                      data-column="{{ column }}">
+                  <h3 class="locker-name">{{ bank.initial }}{{ row }}{{ column }}</h3>
+                  <div class="locker-status">
+                    {% if locker.renter is not None %}
+                      {% if perms.rentals.view_lockerinfo %}
+                        {{ locker.renter }}
+                      {% else %}
+                        Occupied
+                      {% endif %}
                     {% else %}
-                      Occupied
+                      Empty
                     {% endif %}
-                  {% else %}
-                    Empty
-                  {% endif %}
-                </div>
+                  </div>
+                </span>
+                {% if perms.rentals.view_lockerinfo %}
+                  <div class="dropdown-menu">
+                    <div class="dropdown-header">{{ locker }}</div>
+                    <form class="p-2"
+                          action="{% url 'rentals:locker' locker.id %}"
+                          method="post">
+                      {% csrf_token %}
+                      <fieldset {{ perms.rentals.change_lockerinfo|yesno:",disabled" }}>
+                        {% for field in form.visible_fields %}
+                          <div class="form-floating mb-3">
+                            {{ field }}
+                            {{ field.label_tag }}
+                            {{ field.errors }}
+                            {% if field.help_text %}
+                              <p class="form-text">
+                                {{ field.help_text|safe }}
+                              </p>
+                            {% endif %}
+                          </div>
+                        {% endfor %}
+                      </fieldset>
+                      {% if perms.rentals.change_lockerinfo %}
+                        {% for hidden in form.hidden_fields %}{{ hidden }}{% endfor %}
+                        <input class="btn btn-primary" type="submit" value="Submit">
+                      {% endif %}
+                    </form>
+                  </div>
+                {% endif %}
               </div>
             {% endfor %}
           </div>

rentals/urls.py

@@ -6,4 +6,5 @@ app_name = "rentals"
 
 urlpatterns = [
     path("", views.lockerIndex, name="index"),
+    path("locker/<int:locker_id>", views.lockerUpdate, name="locker"),
 ]

rentals/views.py

@@ -1,10 +1,44 @@
-from django.shortcuts import render
+from django.contrib.auth.decorators import login_required, permission_required
+from django.contrib import messages
+from django.http import HttpResponseRedirect
+from django.shortcuts import render, reverse
 
-from .models import LockerBank, LockerRental
+from .models import LockerBank, LockerInfo
+
+from .forms import LockerInfoForm
 
 
 def lockerIndex(request):
+    locker_banks = {
+        bank: {
+            unit: [
+                (col, num, locker, LockerInfoForm(instance=locker))
+                for col, num, locker in unit.iter_doors()
+            ]
+            for unit in bank.units.all()
+        }
+        for bank in LockerBank.objects.all()
+    }
+
     context = {
-        "locker_banks": LockerBank.objects.all(),
+        "locker_banks": locker_banks,
     }
     return render(request, "rentals/lockers.dj.html", context)
+
+
+@login_required
+@permission_required("rentals.change_lockerinfo", raise_exception=True)
+def lockerUpdate(request, locker_id: int):
+    if request.method == "POST":
+        try:
+            instance = LockerInfo.objects.get(pk=locker_id)
+        except LockerInfo.DoesNotExist:
+            pass  # TODO
+
+        form = LockerInfoForm(request.POST, instance=instance)
+        if form.is_valid():
+            form.save()
+        else:
+            messages.add_message(request, messages.ERROR, form.errors)
+
+    return HttpResponseRedirect(reverse("rentals:index"))