From c2853a3ecce65b9b5caf977057c30328b8854d92 Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?Luk=C3=A1=C5=A1=20Kucharczyk?= <lukas@kucharczyk.xyz>
Date: Wed, 8 Jan 2025 21:00:19 +0100
Subject: [PATCH] purchases can now refer to multiple editions

allows purchases to be for more than one game
---
 common/components.py                          | 75 ++++++++++++++++++-
 common/utils.py                               | 19 ++++-
 games/forms.py                                | 16 ++--
 .../migrations/0042_purchase_editions_temp.py | 18 +++++
 games/migrations/0043_auto_20250107_2117.py   | 27 +++++++
 games/migrations/0044_auto_20250107_2132.py   | 18 +++++
 .../0045_alter_purchase_editions.py           | 18 +++++
 games/models.py                               | 18 +++--
 games/static/base.css                         | 16 ++++
 games/templates/stats.html                    |  6 +-
 games/templates/view_purchase.html            | 34 +++++++++
 games/urls.py                                 |  5 ++
 games/views/game.py                           | 26 +++----
 games/views/general.py                        | 70 ++++++++---------
 games/views/purchase.py                       | 18 +++--
 games/views/session.py                        |  8 +-
 16 files changed, 308 insertions(+), 84 deletions(-)
 create mode 100644 games/migrations/0042_purchase_editions_temp.py
 create mode 100644 games/migrations/0043_auto_20250107_2117.py
 create mode 100644 games/migrations/0044_auto_20250107_2132.py
 create mode 100644 games/migrations/0045_alter_purchase_editions.py
 create mode 100644 games/templates/view_purchase.html

diff --git a/common/components.py b/common/components.py
index 09656fb..59db722 100644
--- a/common/components.py
+++ b/common/components.py
@@ -9,6 +9,7 @@ from django.urls import NoReverseMatch, reverse
 from django.utils.safestring import SafeText, mark_safe
 
 from common.utils import truncate
+from games.models import Purchase
 
 HTMLAttribute = tuple[str, str | int | bool]
 HTMLTag = str
@@ -71,11 +72,36 @@ def Popover(
     )
 
 
-def PopoverTruncated(input_string: str, length: int = 30, ellipsis: str = "…") -> str:
-    if (truncated := truncate(input_string, length, ellipsis)) != input_string:
-        return Popover(wrapped_content=truncated, popover_content=input_string)
+def PopoverTruncated(
+    input_string: str,
+    popover_content: str = "",
+    popover_if_not_truncated: bool = False,
+    length: int = 30,
+    ellipsis: str = "…",
+    endpart: str = "",
+) -> str:
+    """
+    Returns `input_string` truncated after `length` of characters
+    and displays the untruncated text in a popover HTML element.
+    The truncated text ends in `ellipsis`, and optionally
+    an always-visible `endpart` can be specified.
+    `popover_content` can be specified if:
+    1. It needs to be always displayed regardless if text is truncated.
+    2. It needs to differ from `input_string`.
+    """
+    if (truncated := truncate(input_string, length, ellipsis, endpart)) != input_string:
+        return Popover(
+            wrapped_content=truncated,
+            popover_content=popover_content if popover_content else input_string,
+        )
     else:
-        return input_string
+        if popover_content and popover_if_not_truncated:
+            return Popover(
+                wrapped_content=input_string,
+                popover_content=popover_content if popover_content else "",
+            )
+        else:
+            return input_string
 
 
 def A(
@@ -183,6 +209,47 @@ def LinkedNameWithPlatformIcon(name: str, game_id: int, platform: str) -> SafeTe
     )
 
 
+def LinkedPurchase(purchase: Purchase) -> SafeText:
+    link = reverse("view_purchase", args=[int(purchase.id)])
+    link_content = ""
+    popover_content = ""
+    edition_count = purchase.editions.count()
+    popover_if_not_truncated = False
+    if edition_count == 1:
+        link_content += purchase.editions.first().name
+        popover_content = link_content
+    if edition_count > 1:
+        if purchase.name:
+            link_content += f"{purchase.name}"
+            popover_content += f"<h1>{purchase.name}</h1><br>"
+        else:
+            link_content += f"{edition_count} games"
+            popover_if_not_truncated = True
+        popover_content += f"""
+        <ul class="list-disc list-inside">
+            {"".join(f"<li>{edition.name}</li>" for edition in purchase.editions.all())}
+        </ul>
+        """
+    icon = purchase.platform.icon if edition_count == 1 else "unspecified"
+    if link_content == "":
+        raise ValueError("link_content is empty!!")
+    a_content = Div(
+        [("class", "inline-flex gap-2 items-center")],
+        [
+            Icon(
+                icon,
+                [("title", "Multiple")],
+            ),
+            PopoverTruncated(
+                input_string=link_content,
+                popover_content=mark_safe(popover_content),
+                popover_if_not_truncated=popover_if_not_truncated,
+            ),
+        ],
+    )
+    return mark_safe(A(url=link, children=[a_content]))
+
+
 def NameWithPlatformIcon(name: str, platform: str) -> SafeText:
     content = Div(
         [("class", "inline-flex gap-2 items-center")],
diff --git a/common/utils.py b/common/utils.py
index c687366..80d9acb 100644
--- a/common/utils.py
+++ b/common/utils.py
@@ -34,7 +34,7 @@ def safe_getattr(obj: object, attr_chain: str, default: Any | None = None) -> ob
     return obj
 
 
-def truncate(input_string: str, length: int = 30, ellipsis: str = "…") -> str:
+def truncate_(input_string: str, length: int = 30, ellipsis: str = "…") -> str:
     return (
         (f"{input_string[:length-len(ellipsis)].rstrip()}{ellipsis}")
         if len(input_string) > length
@@ -42,6 +42,23 @@ def truncate(input_string: str, length: int = 30, ellipsis: str = "…") -> str:
     )
 
 
+def truncate(
+    input_string: str, length: int = 30, ellipsis: str = "…", endpart: str = ""
+) -> str:
+    max_content_length = length - len(endpart)
+    if max_content_length < 0:
+        raise ValueError("Length cannot be shorter than the length of endpart.")
+
+    if len(input_string) > max_content_length:
+        return f"{input_string[:max_content_length - len(ellipsis)].rstrip()}{ellipsis}{endpart}"
+
+    return (
+        f"{input_string}{endpart}"
+        if len(input_string) + len(endpart) <= length
+        else f"{input_string[:length - len(ellipsis) - len(endpart)].rstrip()}{ellipsis}{endpart}"
+    )
+
+
 T = TypeVar("T", str, int, date)
 
 
diff --git a/games/forms.py b/games/forms.py
index 10413bf..415b0cb 100644
--- a/games/forms.py
+++ b/games/forms.py
@@ -16,7 +16,7 @@ class SessionForm(forms.ModelForm):
     #     queryset=Purchase.objects.filter(date_refunded=None).order_by("edition__name")
     # )
     purchase = forms.ModelChoiceField(
-        queryset=Purchase.objects.order_by("edition__sort_name"),
+        queryset=Purchase.objects.all(),
         widget=forms.Select(attrs={"autofocus": "autofocus"}),
     )
 
@@ -38,12 +38,12 @@ class SessionForm(forms.ModelForm):
         ]
 
 
-class EditionChoiceField(forms.ModelChoiceField):
+class EditionChoiceField(forms.ModelMultipleChoiceField):
     def label_from_instance(self, obj) -> str:
         return f"{obj.sort_name} ({obj.platform}, {obj.year_released})"
 
 
-class IncludePlatformSelect(forms.Select):
+class IncludePlatformSelect(forms.SelectMultiple):
     def create_option(self, name, value, *args, **kwargs):
         option = super().create_option(name, value, *args, **kwargs)
         if platform_id := safe_getattr(value, "instance.platform.id"):
@@ -58,7 +58,7 @@ class PurchaseForm(forms.ModelForm):
         # Automatically update related_purchase <select/>
         # to only include purchases of the selected edition.
         related_purchase_by_edition_url = reverse("related_purchase_by_edition")
-        self.fields["edition"].widget.attrs.update(
+        self.fields["editions"].widget.attrs.update(
             {
                 "hx-trigger": "load, click",
                 "hx-get": related_purchase_by_edition_url,
@@ -67,15 +67,13 @@ class PurchaseForm(forms.ModelForm):
             }
         )
 
-    edition = EditionChoiceField(
+    editions = EditionChoiceField(
         queryset=Edition.objects.order_by("sort_name"),
         widget=IncludePlatformSelect(attrs={"autoselect": "autoselect"}),
     )
     platform = forms.ModelChoiceField(queryset=Platform.objects.order_by("name"))
     related_purchase = forms.ModelChoiceField(
-        queryset=Purchase.objects.filter(type=Purchase.GAME).order_by(
-            "edition__sort_name"
-        ),
+        queryset=Purchase.objects.filter(type=Purchase.GAME),
         required=False,
     )
 
@@ -88,7 +86,7 @@ class PurchaseForm(forms.ModelForm):
         }
         model = Purchase
         fields = [
-            "edition",
+            "editions",
             "platform",
             "date_purchased",
             "date_refunded",
diff --git a/games/migrations/0042_purchase_editions_temp.py b/games/migrations/0042_purchase_editions_temp.py
new file mode 100644
index 0000000..6e6221c
--- /dev/null
+++ b/games/migrations/0042_purchase_editions_temp.py
@@ -0,0 +1,18 @@
+# Generated by Django 5.1.3 on 2025-01-07 20:14
+
+from django.db import migrations, models
+
+
+class Migration(migrations.Migration):
+
+    dependencies = [
+        ('games', '0041_purchase_converted_currency_purchase_converted_price_and_more'),
+    ]
+
+    operations = [
+        migrations.AddField(
+            model_name='purchase',
+            name='editions_temp',
+            field=models.ManyToManyField(blank=True, related_name='temp_purchases', to='games.edition'),
+        ),
+    ]
diff --git a/games/migrations/0043_auto_20250107_2117.py b/games/migrations/0043_auto_20250107_2117.py
new file mode 100644
index 0000000..5884030
--- /dev/null
+++ b/games/migrations/0043_auto_20250107_2117.py
@@ -0,0 +1,27 @@
+# Generated by Django 5.1.3 on 2025-01-07 20:17
+
+from django.db import migrations
+
+
+def migrate_edition_to_editions_temp(apps, schema_editor):
+    Purchase = apps.get_model("games", "Purchase")
+    for purchase in Purchase.objects.all():
+        if purchase.edition:
+            print(
+                f"Migrating Purchase {purchase.id} with Edition {purchase.edition.id}"
+            )
+            purchase.editions_temp.add(purchase.edition)
+            print(purchase.editions_temp.all())
+            purchase.save()
+        else:
+            print(f"No edition found for Purchase {purchase.id}")
+
+
+class Migration(migrations.Migration):
+    dependencies = [
+        ("games", "0042_purchase_editions_temp"),
+    ]
+
+    operations = [
+        migrations.RunPython(migrate_edition_to_editions_temp),
+    ]
diff --git a/games/migrations/0044_auto_20250107_2132.py b/games/migrations/0044_auto_20250107_2132.py
new file mode 100644
index 0000000..67a28a0
--- /dev/null
+++ b/games/migrations/0044_auto_20250107_2132.py
@@ -0,0 +1,18 @@
+# Generated by Django 5.1.3 on 2025-01-07 20:32
+
+from django.db import migrations
+
+
+class Migration(migrations.Migration):
+    dependencies = [
+        ("games", "0043_auto_20250107_2117"),
+    ]
+
+    operations = [
+        migrations.RemoveField(model_name="purchase", name="edition"),
+        migrations.RenameField(
+            model_name="purchase",
+            old_name="editions_temp",
+            new_name="editions",
+        ),
+    ]
diff --git a/games/migrations/0045_alter_purchase_editions.py b/games/migrations/0045_alter_purchase_editions.py
new file mode 100644
index 0000000..e62212c
--- /dev/null
+++ b/games/migrations/0045_alter_purchase_editions.py
@@ -0,0 +1,18 @@
+# Generated by Django 5.1.3 on 2025-01-07 20:37
+
+from django.db import migrations, models
+
+
+class Migration(migrations.Migration):
+
+    dependencies = [
+        ('games', '0044_auto_20250107_2132'),
+    ]
+
+    operations = [
+        migrations.AlterField(
+            model_name='purchase',
+            name='editions',
+            field=models.ManyToManyField(blank=True, related_name='purchases', to='games.edition'),
+        ),
+    ]
diff --git a/games/models.py b/games/models.py
index 89cf3a6..94323c6 100644
--- a/games/models.py
+++ b/games/models.py
@@ -113,7 +113,7 @@ class Purchase(models.Model):
 
     objects = PurchaseQueryset().as_manager()
 
-    edition = models.ForeignKey(Edition, on_delete=models.CASCADE)
+    editions = models.ManyToManyField(Edition, related_name="purchases", blank=True)
     platform = models.ForeignKey(
         Platform, on_delete=models.CASCADE, default=None, null=True, blank=True
     )
@@ -141,26 +141,28 @@ class Purchase(models.Model):
     )
     created_at = models.DateTimeField(auto_now_add=True)
 
+    @property
+    def first_edition(self):
+        return self.editions.first()
+
     def __str__(self):
         additional_info = [
             self.get_type_display() if self.type != Purchase.GAME else "",
             (
-                f"{self.edition.platform} version on {self.platform}"
-                if self.platform != self.edition.platform
+                f"{self.first_edition.platform} version on {self.platform}"
+                if self.platform != self.first_edition.platform
                 else self.platform
             ),
-            self.edition.year_released,
+            self.first_edition.year_released,
             self.get_ownership_type_display(),
         ]
-        return f"{self.edition} ({', '.join(filter(None, map(str, additional_info)))})"
+        return f"{self.first_edition} ({', '.join(filter(None, map(str, additional_info)))})"
 
     def is_game(self):
         return self.type == self.GAME
 
     def save(self, *args, **kwargs):
-        if self.type == Purchase.GAME:
-            self.name = ""
-        elif self.type != Purchase.GAME and not self.related_purchase:
+        if self.type != Purchase.GAME and not self.related_purchase:
             raise ValidationError(
                 f"{self.get_type_display()} must have a related purchase."
             )
diff --git a/games/static/base.css b/games/static/base.css
index 83fded9..d02ca26 100644
--- a/games/static/base.css
+++ b/games/static/base.css
@@ -1443,6 +1443,10 @@ input:checked + .toggle-bg {
   margin-top: 1rem;
 }
 
+.ml-4 {
+  margin-left: 1rem;
+}
+
 .block {
   display: block;
 }
@@ -1471,6 +1475,10 @@ input:checked + .toggle-bg {
   display: grid;
 }
 
+.list-item {
+  display: list-item;
+}
+
 .hidden {
   display: none;
 }
@@ -1652,6 +1660,14 @@ input:checked + .toggle-bg {
   resize: both;
 }
 
+.list-inside {
+  list-style-position: inside;
+}
+
+.list-disc {
+  list-style-type: disc;
+}
+
 .grid-cols-4 {
   grid-template-columns: repeat(4, minmax(0, 1fr));
 }
diff --git a/games/templates/stats.html b/games/templates/stats.html
index f54b493..2af837e 100644
--- a/games/templates/stats.html
+++ b/games/templates/stats.html
@@ -2,11 +2,11 @@
 {% load static %}
 {% partialdef purchase-name %}
 {% if purchase.type != 'game' %}
-    <c-gamelink :game_id=purchase.edition.game.id>
-    {{ purchase.name }} ({{ purchase.edition.name }} {{ purchase.get_type_display }})
+    <c-gamelink :game_id=purchase.first_edition.game.id>
+    {{ purchase.name }} ({{ purchase.first_edition.edition.name }} {{ purchase.get_type_display }})
     </c-gamelink>
 {% else %}
-    <c-gamelink :game_id=purchase.edition.game.id :name=purchase.edition.name />
+    <c-gamelink :game_id=purchase.first_edition.game.id :name=purchase.first_edition.name />
 {% endif %}
 {% endpartialdef %}
 <div class="dark:text-white max-w-sm sm:max-w-xl lg:max-w-3xl mx-auto">
diff --git a/games/templates/view_purchase.html b/games/templates/view_purchase.html
new file mode 100644
index 0000000..aa3290f
--- /dev/null
+++ b/games/templates/view_purchase.html
@@ -0,0 +1,34 @@
+<c-layouts.base>
+    <div class="dark:text-white max-w-sm sm:max-w-xl lg:max-w-3xl mx-auto">
+    
+    <div class="flex flex-col gap-5 mb-3">
+    <span class="text-balance max-w-[30rem] text-4xl">
+        <span class="font-bold font-serif">{% if purchase.name %}{{ purchase.name }}{% else %}Unnamed purchase{% endif %}</span> <span class="text-slate-500 text-2xl">({{ purchase.editions.count }} games)</span>
+    </span>
+    <div class="inline-flex rounded-md shadow-sm mb-3" role="group">
+        <a href="{% url 'edit_purchase' purchase.id %}">
+            <button type="button"
+                    class="px-4 py-2 text-sm font-medium text-gray-900 bg-white border border-gray-200 rounded-s-lg hover:bg-gray-100 hover:text-blue-700 focus:z-10 focus:ring-2 focus:ring-blue-700 focus:text-blue-700 dark:bg-gray-800 dark:border-gray-700 dark:text-white dark:hover:text-white dark:hover:bg-gray-700 dark:focus:ring-blue-500 dark:focus:text-white">
+                Edit
+            </button>
+        </a>
+        <a href="{% url 'delete_purchase' purchase.id %}">
+            <button type="button"
+                    class="px-4 py-2 text-sm font-medium text-gray-900 bg-white border border-gray-200 rounded-e-lg hover:bg-red-100 hover:text-blue-700 focus:z-10 focus:ring-2 focus:ring-blue-700 focus:text-blue-700 dark:bg-gray-800 dark:border-gray-700 dark:text-white dark:hover:text-white dark:hover:bg-red-700 dark:focus:ring-blue-500 dark:focus:text-white">
+                Delete
+            </button>
+        </a>
+    </div>
+    <div>Price: {{ purchase.converted_price | floatformat }} {{ purchase.converted_currency }} ({{ purchase.price | floatformat }} {{ purchase.price_currency }})</div>
+    <div>
+        <h2 class="text-base">Items:</h2>
+        <ul class="list-disc list-inside">
+        {% for edition in purchase.editions.all %}
+        <li><c-gamelink :game_id=edition.game.id :name=edition.name /></li>
+        {% endfor %}
+        </ul>
+    </div>
+    </div>
+</div>
+
+</c-layouts.base>
diff --git a/games/urls.py b/games/urls.py
index 946b64d..ccb398f 100644
--- a/games/urls.py
+++ b/games/urls.py
@@ -54,6 +54,11 @@ urlpatterns = [
         purchase.delete_purchase,
         name="delete_purchase",
     ),
+    path(
+        "purchase/<int:purchase_id>/view",
+        purchase.view_purchase,
+        name="view_purchase",
+    ),
     path(
         "purchase/<int:purchase_id>/finish",
         purchase.finish_purchase,
diff --git a/games/views/game.py b/games/views/game.py
index d55fb14..0aac65c 100644
--- a/games/views/game.py
+++ b/games/views/game.py
@@ -13,6 +13,7 @@ from common.components import (
     Button,
     Div,
     Icon,
+    LinkedPurchase,
     NameWithPlatformIcon,
     Popover,
     PopoverTruncated,
@@ -162,7 +163,7 @@ def view_game(request: HttpRequest, game_id: int) -> HttpResponse:
         to_attr="nongame_related_purchases",
     )
     game_purchases_prefetch: Prefetch[Purchase] = Prefetch(
-        "purchase_set",
+        "purchases",
         queryset=Purchase.objects.filter(type=Purchase.GAME).prefetch_related(
             nongame_related_purchases_prefetch
         ),
@@ -174,14 +175,14 @@ def view_game(request: HttpRequest, game_id: int) -> HttpResponse:
         .order_by("year_released")
     )
 
-    purchases = Purchase.objects.filter(edition__game=game).order_by("date_purchased")
+    purchases = Purchase.objects.filter(editions__game=game).order_by("date_purchased")
 
     sessions = Session.objects.prefetch_related("device").filter(
-        purchase__edition__game=game
+        purchase__editions__game=game
     )
     session_count = sessions.count()
     session_count_without_manual = (
-        Session.objects.without_manual().filter(purchase__edition__game=game).count()
+        Session.objects.without_manual().filter(purchase__editions__game=game).count()
     )
 
     if sessions:
@@ -242,10 +243,7 @@ def view_game(request: HttpRequest, game_id: int) -> HttpResponse:
         "columns": ["Name", "Type", "Date", "Price", "Actions"],
         "rows": [
             [
-                NameWithPlatformIcon(
-                    name=purchase.name if purchase.name else purchase.edition.name,
-                    platform=purchase.platform,
-                ),
+                LinkedPurchase(purchase),
                 purchase.get_type_display(),
                 purchase.date_purchased.strftime(dateformat),
                 PurchasePrice(purchase),
@@ -271,7 +269,7 @@ def view_game(request: HttpRequest, game_id: int) -> HttpResponse:
         ],
     }
 
-    sessions_all = Session.objects.filter(purchase__edition__game=game).order_by(
+    sessions_all = Session.objects.filter(purchase__editions__game=game).order_by(
         "-timestamp_start"
     )
     last_session = None
@@ -300,7 +298,7 @@ def view_game(request: HttpRequest, game_id: int) -> HttpResponse:
                         args=[last_session.pk],
                     ),
                     children=Popover(
-                        popover_content=last_session.purchase.edition.name,
+                        popover_content=last_session.purchase.first_edition.name,
                         children=[
                             Button(
                                 icon=True,
@@ -308,7 +306,9 @@ def view_game(request: HttpRequest, game_id: int) -> HttpResponse:
                                 size="xs",
                                 children=[
                                     Icon("play"),
-                                    truncate(f"{last_session.purchase.edition.name}"),
+                                    truncate(
+                                        f"{last_session.purchase.first_edition.name}"
+                                    ),
                                 ],
                             )
                         ],
@@ -324,7 +324,7 @@ def view_game(request: HttpRequest, game_id: int) -> HttpResponse:
                 NameWithPlatformIcon(
                     name=session.purchase.name
                     if session.purchase.name
-                    else session.purchase.edition.name,
+                    else session.purchase.first_edition.name,
                     platform=session.purchase.platform,
                 ),
                 f"{local_strftime(session.timestamp_start)}{f" — {local_strftime(session.timestamp_end, timeformat)}" if session.timestamp_end else ""}",
@@ -375,7 +375,7 @@ def view_game(request: HttpRequest, game_id: int) -> HttpResponse:
         "editions": editions,
         "game": game,
         "playrange": playrange,
-        "purchase_count": Purchase.objects.filter(edition__game=game).count(),
+        "purchase_count": Purchase.objects.filter(editions__game=game).count(),
         "session_average_without_manual": round(
             safe_division(
                 total_hours_without_manual, int(session_count_without_manual)
diff --git a/games/views/general.py b/games/views/general.py
index 3ca554e..4834046 100644
--- a/games/views/general.py
+++ b/games/views/general.py
@@ -2,7 +2,7 @@ from datetime import datetime
 from typing import Any, Callable
 
 from django.contrib.auth.decorators import login_required
-from django.db.models import Avg, Count, ExpressionWrapper, F, Q, Sum, fields
+from django.db.models import Avg, Count, ExpressionWrapper, F, Prefetch, Q, Sum, fields
 from django.db.models.functions import TruncDate, TruncMonth
 from django.db.models.manager import BaseManager
 from django.http import HttpRequest, HttpResponse, HttpResponseRedirect
@@ -49,7 +49,9 @@ def use_custom_redirect(
 @login_required
 def stats_alltime(request: HttpRequest) -> HttpResponse:
     year = "Alltime"
-    this_year_sessions = Session.objects.all().select_related("purchase__edition")
+    this_year_sessions = Session.objects.all().prefetch_related(
+        Prefetch("purchase__editions")
+    )
     this_year_sessions_with_durations = this_year_sessions.annotate(
         duration=ExpressionWrapper(
             F("timestamp_end") - F("timestamp_start"),
@@ -58,10 +60,10 @@ def stats_alltime(request: HttpRequest) -> HttpResponse:
     )
     longest_session = this_year_sessions_with_durations.order_by("-duration").first()
     this_year_games = Game.objects.filter(
-        edition__purchase__session__in=this_year_sessions
+        editions__purchase__session__in=this_year_sessions
     ).distinct()
     this_year_games_with_session_counts = this_year_games.annotate(
-        session_count=Count("edition__purchase__session"),
+        session_count=Count("editions__purchase__session"),
     )
     game_highest_session_count = this_year_games_with_session_counts.order_by(
         "-session_count"
@@ -78,7 +80,7 @@ def stats_alltime(request: HttpRequest) -> HttpResponse:
     ).distinct()
 
     this_year_purchases = Purchase.objects.all()
-    this_year_purchases_with_currency = this_year_purchases.select_related("edition")
+    this_year_purchases_with_currency = this_year_purchases.select_related("editions")
     this_year_purchases_without_refunded = this_year_purchases_with_currency.filter(
         date_refunded=None
     )
@@ -127,11 +129,11 @@ def stats_alltime(request: HttpRequest) -> HttpResponse:
     total_spent = this_year_spendings["total_spent"] or 0
 
     games_with_playtime = (
-        Game.objects.filter(edition__purchase__session__in=this_year_sessions)
+        Game.objects.filter(editions__purchase__session__in=this_year_sessions)
         .annotate(
             total_playtime=Sum(
-                F("edition__purchase__session__duration_calculated")
-                + F("edition__purchase__session__duration_manual")
+                F("editions__purchase__session__duration_calculated")
+                + F("editions__purchase__session__duration_manual")
             )
         )
         .values("id", "name", "total_playtime")
@@ -146,9 +148,9 @@ def stats_alltime(request: HttpRequest) -> HttpResponse:
         month["playtime"] = format_duration(month["playtime"], "%2.0H")
 
     highest_session_average_game = (
-        Game.objects.filter(edition__purchase__session__in=this_year_sessions)
+        Game.objects.filter(editions__purchase__session__in=this_year_sessions)
         .annotate(
-            session_average=Avg("edition__purchase__session__duration_calculated")
+            session_average=Avg("editions__purchase__session__duration_calculated")
         )
         .order_by("-session_average")
         .first()
@@ -175,10 +177,10 @@ def stats_alltime(request: HttpRequest) -> HttpResponse:
     last_play_date = "N/A"
     if this_year_sessions:
         first_session = this_year_sessions.earliest()
-        first_play_game = first_session.purchase.edition.game
+        first_play_game = first_session.purchase.first_edition.game
         first_play_date = first_session.timestamp_start.strftime(dateformat)
         last_session = this_year_sessions.latest()
-        last_play_game = last_session.purchase.edition.game
+        last_play_game = last_session.purchase.first_edition.game
         last_play_date = last_session.timestamp_start.strftime(dateformat)
 
     all_purchased_this_year_count = this_year_purchases_with_currency.count()
@@ -227,7 +229,7 @@ def stats_alltime(request: HttpRequest) -> HttpResponse:
             else 0
         ),
         "longest_session_game": (
-            longest_session.purchase.edition.game if longest_session else None
+            longest_session.purchase.first_edition.game if longest_session else None
         ),
         "highest_session_count": (
             game_highest_session_count.session_count
@@ -266,7 +268,7 @@ def stats(request: HttpRequest, year: int = 0) -> HttpResponse:
         return HttpResponseRedirect(reverse("stats_alltime"))
     this_year_sessions = Session.objects.filter(
         timestamp_start__year=year
-    ).select_related("purchase__edition")
+    ).prefetch_related("purchase__editions")
     this_year_sessions_with_durations = this_year_sessions.annotate(
         duration=ExpressionWrapper(
             F("timestamp_end") - F("timestamp_start"),
@@ -275,12 +277,12 @@ def stats(request: HttpRequest, year: int = 0) -> HttpResponse:
     )
     longest_session = this_year_sessions_with_durations.order_by("-duration").first()
     this_year_games = Game.objects.filter(
-        edition__purchase__session__in=this_year_sessions
+        edition__purchases__session__in=this_year_sessions
     ).distinct()
     this_year_games_with_session_counts = this_year_games.annotate(
         session_count=Count(
-            "edition__purchase__session",
-            filter=Q(edition__purchase__session__timestamp_start__year=year),
+            "edition__purchases__session",
+            filter=Q(edition__purchases__session__timestamp_start__year=year),
         )
     )
     game_highest_session_count = this_year_games_with_session_counts.order_by(
@@ -298,7 +300,7 @@ def stats(request: HttpRequest, year: int = 0) -> HttpResponse:
     ).distinct()
 
     this_year_purchases = Purchase.objects.filter(date_purchased__year=year)
-    this_year_purchases_with_currency = this_year_purchases.select_related("edition")
+    this_year_purchases_with_currency = this_year_purchases.prefetch_related("editions")
     this_year_purchases_without_refunded = this_year_purchases_with_currency.filter(
         date_refunded=None
     ).exclude(ownership_type=Purchase.DEMO)
@@ -335,7 +337,7 @@ def stats(request: HttpRequest, year: int = 0) -> HttpResponse:
 
     purchases_finished_this_year = Purchase.objects.filter(date_finished__year=year)
     purchases_finished_this_year_released_this_year = (
-        purchases_finished_this_year.filter(edition__year_released=year).order_by(
+        purchases_finished_this_year.filter(editions__year_released=year).order_by(
             "date_finished"
         )
     )
@@ -349,11 +351,11 @@ def stats(request: HttpRequest, year: int = 0) -> HttpResponse:
     total_spent = this_year_spendings["total_spent"] or 0
 
     games_with_playtime = (
-        Game.objects.filter(edition__purchase__session__in=this_year_sessions)
+        Game.objects.filter(edition__purchases__session__in=this_year_sessions)
         .annotate(
             total_playtime=Sum(
-                F("edition__purchase__session__duration_calculated")
-                + F("edition__purchase__session__duration_manual")
+                F("edition__purchases__session__duration_calculated")
+                + F("edition__purchases__session__duration_manual")
             )
         )
         .values("id", "name", "total_playtime")
@@ -368,9 +370,9 @@ def stats(request: HttpRequest, year: int = 0) -> HttpResponse:
         month["playtime"] = format_duration(month["playtime"], "%2.0H")
 
     highest_session_average_game = (
-        Game.objects.filter(edition__purchase__session__in=this_year_sessions)
+        Game.objects.filter(edition__purchases__session__in=this_year_sessions)
         .annotate(
-            session_average=Avg("edition__purchase__session__duration_calculated")
+            session_average=Avg("edition__purchases__session__duration_calculated")
         )
         .order_by("-session_average")
         .first()
@@ -401,10 +403,10 @@ def stats(request: HttpRequest, year: int = 0) -> HttpResponse:
     last_play_game = None
     if this_year_sessions:
         first_session = this_year_sessions.earliest()
-        first_play_game = first_session.purchase.edition.game
+        first_play_game = first_session.purchase.first_edition.game
         first_play_date = first_session.timestamp_start.strftime(dateformat)
         last_session = this_year_sessions.latest()
-        last_play_game = last_session.purchase.edition.game
+        last_play_game = last_session.purchase.first_edition.game
         last_play_date = last_session.timestamp_start.strftime(dateformat)
 
     all_purchased_this_year_count = this_year_purchases_with_currency.count()
@@ -421,7 +423,7 @@ def stats(request: HttpRequest, year: int = 0) -> HttpResponse:
         ),
         "total_games": this_year_played_purchases.count(),
         "total_2023_games": this_year_played_purchases.filter(
-            edition__year_released=year
+            editions__year_released=year
         ).count(),
         "top_10_games_by_playtime": top_10_games_by_playtime,
         "year": year,
@@ -432,16 +434,16 @@ def stats(request: HttpRequest, year: int = 0) -> HttpResponse:
         "spent_per_game": int(
             safe_division(total_spent, this_year_purchases_without_refunded_count)
         ),
-        "all_finished_this_year": purchases_finished_this_year.select_related(
-            "edition"
+        "all_finished_this_year": purchases_finished_this_year.prefetch_related(
+            "editions"
         ).order_by("date_finished"),
         "all_finished_this_year_count": purchases_finished_this_year.count(),
-        "this_year_finished_this_year": purchases_finished_this_year_released_this_year.select_related(
-            "edition"
+        "this_year_finished_this_year": purchases_finished_this_year_released_this_year.prefetch_related(
+            "editions"
         ).order_by("date_finished"),
         "this_year_finished_this_year_count": purchases_finished_this_year_released_this_year.count(),
-        "purchased_this_year_finished_this_year": purchased_this_year_finished_this_year.select_related(
-            "edition"
+        "purchased_this_year_finished_this_year": purchased_this_year_finished_this_year.prefetch_related(
+            "editions"
         ).order_by("date_finished"),
         "total_sessions": this_year_sessions.count(),
         "unique_days": unique_days["dates"],
@@ -471,7 +473,7 @@ def stats(request: HttpRequest, year: int = 0) -> HttpResponse:
             else 0
         ),
         "longest_session_game": (
-            longest_session.purchase.edition.game if longest_session else None
+            longest_session.purchase.first_edition.game if longest_session else None
         ),
         "highest_session_count": (
             game_highest_session_count.session_count
diff --git a/games/views/purchase.py b/games/views/purchase.py
index 9191925..daa6424 100644
--- a/games/views/purchase.py
+++ b/games/views/purchase.py
@@ -13,7 +13,7 @@ from django.template.loader import render_to_string
 from django.urls import reverse
 from django.utils import timezone
 
-from common.components import A, Button, Icon, LinkedNameWithPlatformIcon, PurchasePrice
+from common.components import A, Button, Icon, LinkedPurchase, PurchasePrice
 from common.time import dateformat
 from games.forms import PurchaseForm
 from games.models import Edition, Purchase
@@ -58,11 +58,7 @@ def list_purchases(request: HttpRequest) -> HttpResponse:
             ],
             "rows": [
                 [
-                    LinkedNameWithPlatformIcon(
-                        name=purchase.edition.name,
-                        game_id=purchase.edition.game.pk,
-                        platform=purchase.platform,
-                    ),
+                    LinkedPurchase(purchase),
                     purchase.get_type_display(),
                     PurchasePrice(purchase),
                     purchase.infinite,
@@ -173,7 +169,7 @@ def add_purchase(request: HttpRequest, edition_id: int = 0) -> HttpResponse:
 
     context["form"] = form
     context["title"] = "Add New Purchase"
-    context["script_name"] = "add_purchase.js"
+    # context["script_name"] = "add_purchase.js"
     return render(request, "add_purchase.html", context)
 
 
@@ -189,7 +185,7 @@ def edit_purchase(request: HttpRequest, purchase_id: int) -> HttpResponse:
     context["title"] = "Edit Purchase"
     context["form"] = form
     context["purchase_id"] = str(purchase_id)
-    context["script_name"] = "add_purchase.js"
+    # context["script_name"] = "add_purchase.js"
     return render(request, "add_purchase.html", context)
 
 
@@ -200,6 +196,12 @@ def delete_purchase(request: HttpRequest, purchase_id: int) -> HttpResponse:
     return redirect("list_purchases")
 
 
+@login_required
+def view_purchase(request: HttpRequest, purchase_id: int) -> HttpResponse:
+    purchase = get_object_or_404(Purchase, id=purchase_id)
+    return render(request, "view_purchase.html", {"purchase": purchase})
+
+
 @login_required
 def drop_purchase(request: HttpRequest, purchase_id: int) -> HttpResponse:
     purchase = get_object_or_404(Purchase, id=purchase_id)
diff --git a/games/views/session.py b/games/views/session.py
index 0c38eb3..f886a9b 100644
--- a/games/views/session.py
+++ b/games/views/session.py
@@ -97,7 +97,7 @@ def list_sessions(request: HttpRequest, search_string: str = "") -> HttpResponse
                                     args=[last_session.pk],
                                 ),
                                 children=Popover(
-                                    popover_content=last_session.purchase.edition.name,
+                                    popover_content=last_session.purchase.first_edition.name,
                                     children=[
                                         Button(
                                             icon=True,
@@ -106,7 +106,7 @@ def list_sessions(request: HttpRequest, search_string: str = "") -> HttpResponse
                                             children=[
                                                 Icon("play"),
                                                 truncate(
-                                                    f"{last_session.purchase.edition.name}"
+                                                    f"{last_session.purchase.first_edition.name}"
                                                 ),
                                             ],
                                         )
@@ -131,8 +131,8 @@ def list_sessions(request: HttpRequest, search_string: str = "") -> HttpResponse
             "rows": [
                 [
                     LinkedNameWithPlatformIcon(
-                        name=session.purchase.edition.name,
-                        game_id=session.purchase.edition.game.pk,
+                        name=session.purchase.first_edition.name,
+                        game_id=session.purchase.first_edition.game.pk,
                         platform=session.purchase.platform,
                     ),
                     f"{local_strftime(session.timestamp_start)}{f" — {local_strftime(session.timestamp_end, timeformat)}" if session.timestamp_end else ""}",