Fix potential division by zero

* Finished (count)
* Unfinished (count)
* Refunded (count)

CHANGELOG.md

@@ -1,3 +1,31 @@
+## Unreleased
+
+### New
+* More fields are now optional. This is to make it easier to add new items in bulk.
+  * Game: Wikidata ID
+  * Edition: Platform, Year
+  * Purchase: Platform
+  * Platform: Group
+  * Session: Device
+* New fields:
+  * Game: Year Released
+    * To record original year of release
+    * Upon migration, this will be set to a year of any of the game's edition that has it set
+  * Purchase: Date Finished
+* Editions are now unique combination of name and platform
+* Add more stats:
+  * All finished games
+  * All finished 2023 games
+  * All finished games that were purchased this year
+  * Sessions (count)
+  * Days played
+  * Finished (count)
+  * Unfinished (count)
+  * Refunded (count)
+
+### Improved
+* game overview: simplify playtime range display
+
 ## 1.3.0 / 2023-11-05 15:09+01:00
 
 ### New

games/forms.py

@@ -50,6 +50,7 @@ class PurchaseForm(forms.ModelForm):
         widgets = {
             "date_purchased": custom_date_widget,
             "date_refunded": custom_date_widget,
+            "date_finished": custom_date_widget,
         }
         model = Purchase
         fields = [
@@ -57,6 +58,7 @@ class PurchaseForm(forms.ModelForm):
             "platform",
             "date_purchased",
             "date_refunded",
+            "date_finished",
             "price",
             "price_currency",
             "ownership_type",
@@ -67,7 +69,9 @@ class EditionForm(forms.ModelForm):
     game = forms.ModelChoiceField(
         queryset=Game.objects.order_by("name"), widget=autofocus_select_widget
     )
-    platform = forms.ModelChoiceField(queryset=Platform.objects.order_by("name"))
+    platform = forms.ModelChoiceField(
+        queryset=Platform.objects.order_by("name"), required=False
+    )
 
     class Meta:
         model = Edition
@@ -77,7 +81,7 @@ class EditionForm(forms.ModelForm):
 class GameForm(forms.ModelForm):
     class Meta:
         model = Game
-        fields = ["name", "wikidata"]
+        fields = ["name", "year_released", "wikidata"]
         widgets = {"name": autofocus_input_widget}
 
 

games/migrations/0016_alter_edition_platform_alter_edition_year_released_and_more.py

@@ -0,0 +1,51 @@
+# Generated by Django 4.1.5 on 2023-11-06 11:10
+
+from django.db import migrations, models
+import django.db.models.deletion
+
+
+class Migration(migrations.Migration):
+
+    dependencies = [
+        ("games", "0015_edition_wikidata_edition_year_released"),
+    ]
+
+    operations = [
+        migrations.AlterField(
+            model_name="edition",
+            name="platform",
+            field=models.ForeignKey(
+                blank=True,
+                default=None,
+                null=True,
+                on_delete=django.db.models.deletion.CASCADE,
+                to="games.platform",
+            ),
+        ),
+        migrations.AlterField(
+            model_name="edition",
+            name="year_released",
+            field=models.IntegerField(blank=True, default=None, null=True),
+        ),
+        migrations.AlterField(
+            model_name="game",
+            name="wikidata",
+            field=models.CharField(blank=True, default=None, max_length=50, null=True),
+        ),
+        migrations.AlterField(
+            model_name="platform",
+            name="group",
+            field=models.CharField(blank=True, default=None, max_length=255, null=True),
+        ),
+        migrations.AlterField(
+            model_name="session",
+            name="device",
+            field=models.ForeignKey(
+                blank=True,
+                default=None,
+                null=True,
+                on_delete=django.db.models.deletion.CASCADE,
+                to="games.device",
+            ),
+        ),
+    ]

games/migrations/0016_alter_edition_platform_alter_edition_year_released_and_more_squashed_0022_rename_year_game_year_released.py

@@ -0,0 +1,141 @@
+# Generated by Django 4.1.5 on 2023-11-06 18:14
+
+from django.db import migrations, models
+import django.db.models.deletion
+
+
+def rename_duplicates(apps, schema_editor):
+    Edition = apps.get_model("games", "Edition")
+
+    duplicates = (
+        Edition.objects.values("name", "platform")
+        .annotate(name_count=models.Count("id"))
+        .filter(name_count__gt=1)
+    )
+
+    for duplicate in duplicates:
+        counter = 1
+        duplicate_editions = Edition.objects.filter(
+            name=duplicate["name"], platform_id=duplicate["platform"]
+        ).order_by("id")
+
+        for edition in duplicate_editions[1:]:  # Skip the first one
+            edition.name = f"{edition.name} {counter}"
+            edition.save()
+            counter += 1
+
+
+def update_game_year(apps, schema_editor):
+    Game = apps.get_model("games", "Game")
+    Edition = apps.get_model("games", "Edition")
+
+    for game in Game.objects.filter(year__isnull=True):
+        # Try to get the first related edition with a non-null year_released
+        edition = Edition.objects.filter(game=game, year_released__isnull=False).first()
+        if edition:
+            # If an edition is found, update the game's year
+            game.year = edition.year_released
+            game.save()
+
+
+class Migration(migrations.Migration):
+    replaces = [
+        ("games", "0016_alter_edition_platform_alter_edition_year_released_and_more"),
+        ("games", "0017_alter_device_type_alter_purchase_platform"),
+        ("games", "0018_auto_20231106_1825"),
+        ("games", "0019_alter_edition_unique_together"),
+        ("games", "0020_game_year"),
+        ("games", "0021_auto_20231106_1909"),
+        ("games", "0022_rename_year_game_year_released"),
+    ]
+
+    dependencies = [
+        ("games", "0015_edition_wikidata_edition_year_released"),
+    ]
+
+    operations = [
+        migrations.AlterField(
+            model_name="edition",
+            name="platform",
+            field=models.ForeignKey(
+                blank=True,
+                default=None,
+                null=True,
+                on_delete=django.db.models.deletion.CASCADE,
+                to="games.platform",
+            ),
+        ),
+        migrations.AlterField(
+            model_name="edition",
+            name="year_released",
+            field=models.IntegerField(blank=True, default=None, null=True),
+        ),
+        migrations.AlterField(
+            model_name="game",
+            name="wikidata",
+            field=models.CharField(blank=True, default=None, max_length=50, null=True),
+        ),
+        migrations.AlterField(
+            model_name="platform",
+            name="group",
+            field=models.CharField(blank=True, default=None, max_length=255, null=True),
+        ),
+        migrations.AlterField(
+            model_name="session",
+            name="device",
+            field=models.ForeignKey(
+                blank=True,
+                default=None,
+                null=True,
+                on_delete=django.db.models.deletion.CASCADE,
+                to="games.device",
+            ),
+        ),
+        migrations.AlterField(
+            model_name="device",
+            name="type",
+            field=models.CharField(
+                choices=[
+                    ("pc", "PC"),
+                    ("co", "Console"),
+                    ("ha", "Handheld"),
+                    ("mo", "Mobile"),
+                    ("sbc", "Single-board computer"),
+                    ("un", "Unknown"),
+                ],
+                default="un",
+                max_length=3,
+            ),
+        ),
+        migrations.AlterField(
+            model_name="purchase",
+            name="platform",
+            field=models.ForeignKey(
+                blank=True,
+                default=None,
+                null=True,
+                on_delete=django.db.models.deletion.CASCADE,
+                to="games.platform",
+            ),
+        ),
+        migrations.RunPython(
+            code=rename_duplicates,
+        ),
+        migrations.AlterUniqueTogether(
+            name="edition",
+            unique_together={("name", "platform")},
+        ),
+        migrations.AddField(
+            model_name="game",
+            name="year",
+            field=models.IntegerField(blank=True, default=None, null=True),
+        ),
+        migrations.RunPython(
+            code=update_game_year,
+        ),
+        migrations.RenameField(
+            model_name="game",
+            old_name="year",
+            new_name="year_released",
+        ),
+    ]

games/migrations/0017_alter_device_type_alter_purchase_platform.py

@@ -0,0 +1,41 @@
+# Generated by Django 4.1.5 on 2023-11-06 16:53
+
+from django.db import migrations, models
+import django.db.models.deletion
+
+
+class Migration(migrations.Migration):
+
+    dependencies = [
+        ("games", "0016_alter_edition_platform_alter_edition_year_released_and_more"),
+    ]
+
+    operations = [
+        migrations.AlterField(
+            model_name="device",
+            name="type",
+            field=models.CharField(
+                choices=[
+                    ("pc", "PC"),
+                    ("co", "Console"),
+                    ("ha", "Handheld"),
+                    ("mo", "Mobile"),
+                    ("sbc", "Single-board computer"),
+                    ("un", "Unknown"),
+                ],
+                default="un",
+                max_length=3,
+            ),
+        ),
+        migrations.AlterField(
+            model_name="purchase",
+            name="platform",
+            field=models.ForeignKey(
+                blank=True,
+                default=None,
+                null=True,
+                on_delete=django.db.models.deletion.CASCADE,
+                to="games.platform",
+            ),
+        ),
+    ]

games/migrations/0018_auto_20231106_1825.py

@@ -0,0 +1,34 @@
+# Generated by Django 4.1.5 on 2023-11-06 17:25
+
+from django.db import migrations, models
+
+
+def rename_duplicates(apps, schema_editor):
+    Edition = apps.get_model("games", "Edition")
+
+    duplicates = (
+        Edition.objects.values("name", "platform")
+        .annotate(name_count=models.Count("id"))
+        .filter(name_count__gt=1)
+    )
+
+    for duplicate in duplicates:
+        counter = 1
+        duplicate_editions = Edition.objects.filter(
+            name=duplicate["name"], platform_id=duplicate["platform"]
+        ).order_by("id")
+
+        for edition in duplicate_editions[1:]:  # Skip the first one
+            edition.name = f"{edition.name} {counter}"
+            edition.save()
+            counter += 1
+
+
+class Migration(migrations.Migration):
+    dependencies = [
+        ("games", "0017_alter_device_type_alter_purchase_platform"),
+    ]
+
+    operations = [
+        migrations.RunPython(rename_duplicates),
+    ]

games/migrations/0019_alter_edition_unique_together.py

@@ -0,0 +1,17 @@
+# Generated by Django 4.1.5 on 2023-11-06 17:26
+
+from django.db import migrations
+
+
+class Migration(migrations.Migration):
+
+    dependencies = [
+        ("games", "0018_auto_20231106_1825"),
+    ]
+
+    operations = [
+        migrations.AlterUniqueTogether(
+            name="edition",
+            unique_together={("name", "platform")},
+        ),
+    ]

games/migrations/0020_game_year.py

@@ -0,0 +1,18 @@
+# Generated by Django 4.1.5 on 2023-11-06 18:05
+
+from django.db import migrations, models
+
+
+class Migration(migrations.Migration):
+
+    dependencies = [
+        ("games", "0019_alter_edition_unique_together"),
+    ]
+
+    operations = [
+        migrations.AddField(
+            model_name="game",
+            name="year",
+            field=models.IntegerField(blank=True, default=None, null=True),
+        ),
+    ]

games/migrations/0021_auto_20231106_1909.py

@@ -0,0 +1,24 @@
+from django.db import migrations
+
+
+def update_game_year(apps, schema_editor):
+    Game = apps.get_model("games", "Game")
+    Edition = apps.get_model("games", "Edition")
+
+    for game in Game.objects.filter(year__isnull=True):
+        # Try to get the first related edition with a non-null year_released
+        edition = Edition.objects.filter(game=game, year_released__isnull=False).first()
+        if edition:
+            # If an edition is found, update the game's year
+            game.year = edition.year_released
+            game.save()
+
+
+class Migration(migrations.Migration):
+    dependencies = [
+        ("games", "0020_game_year"),
+    ]
+
+    operations = [
+        migrations.RunPython(update_game_year),
+    ]

games/migrations/0022_rename_year_game_year_released.py

@@ -0,0 +1,18 @@
+# Generated by Django 4.1.5 on 2023-11-06 18:12
+
+from django.db import migrations
+
+
+class Migration(migrations.Migration):
+
+    dependencies = [
+        ("games", "0021_auto_20231106_1909"),
+    ]
+
+    operations = [
+        migrations.RenameField(
+            model_name="game",
+            old_name="year",
+            new_name="year_released",
+        ),
+    ]

games/migrations/0023_purchase_date_finished.py

@@ -0,0 +1,21 @@
+# Generated by Django 4.1.5 on 2023-11-06 18:24
+
+from django.db import migrations, models
+
+
+class Migration(migrations.Migration):
+
+    dependencies = [
+        (
+            "games",
+            "0016_alter_edition_platform_alter_edition_year_released_and_more_squashed_0022_rename_year_game_year_released",
+        ),
+    ]
+
+    operations = [
+        migrations.AddField(
+            model_name="purchase",
+            name="date_finished",
+            field=models.DateField(blank=True, null=True),
+        ),
+    ]

games/models.py

@@ -10,23 +10,40 @@ from django.db.models import F, Manager, Sum
 
 class Game(models.Model):
     name = models.CharField(max_length=255)
-    wikidata = models.CharField(max_length=50)
+    year_released = models.IntegerField(null=True, blank=True, default=None)
+    wikidata = models.CharField(max_length=50, null=True, blank=True, default=None)
 
     def __str__(self):
         return self.name
 
 
 class Edition(models.Model):
+    class Meta:
+        unique_together = [["name", "platform"]]
+
     game = models.ForeignKey("Game", on_delete=models.CASCADE)
     name = models.CharField(max_length=255)
-    platform = models.ForeignKey("Platform", on_delete=models.CASCADE)
+    platform = models.ForeignKey(
-    year_released = models.IntegerField(default=datetime.today().year)
+        "Platform", on_delete=models.CASCADE, null=True, blank=True, default=None
+    )
+    year_released = models.IntegerField(null=True, blank=True, default=None)
     wikidata = models.CharField(max_length=50, null=True, blank=True, default=None)
 
     def __str__(self):
         return self.name
 
 
+class PurchaseQueryset(models.QuerySet):
+    def refunded(self):
+        return self.filter(date_refunded__isnull=False)
+
+    def not_refunded(self):
+        return self.filter(date_refunded__isnull=True)
+
+    def finished(self):
+        return self.filter(date_finished__isnull=False)
+
+
 class Purchase(models.Model):
     PHYSICAL = "ph"
     DIGITAL = "di"
@@ -47,10 +64,15 @@ class Purchase(models.Model):
         (PIRATED, "Pirated"),
     ]
 
+    objects = PurchaseQueryset().as_manager()
+
     edition = models.ForeignKey("Edition", on_delete=models.CASCADE)
-    platform = models.ForeignKey("Platform", on_delete=models.CASCADE)
+    platform = models.ForeignKey(
+        "Platform", on_delete=models.CASCADE, default=None, null=True, blank=True
+    )
     date_purchased = models.DateField()
     date_refunded = models.DateField(blank=True, null=True)
+    date_finished = models.DateField(blank=True, null=True)
     price = models.IntegerField(default=0)
     price_currency = models.CharField(max_length=3, default="USD")
     ownership_type = models.CharField(
@@ -66,7 +88,7 @@ class Purchase(models.Model):
 
 class Platform(models.Model):
     name = models.CharField(max_length=255)
-    group = models.CharField(max_length=255)
+    group = models.CharField(max_length=255, null=True, blank=True, default=None)
 
     def __str__(self):
         return self.name
@@ -89,7 +111,13 @@ class Session(models.Model):
     timestamp_end = models.DateTimeField(blank=True, null=True)
     duration_manual = models.DurationField(blank=True, null=True, default=timedelta(0))
     duration_calculated = models.DurationField(blank=True, null=True)
-    device = models.ForeignKey("Device", on_delete=models.CASCADE, null=True)
+    device = models.ForeignKey(
+        "Device",
+        on_delete=models.CASCADE,
+        null=True,
+        blank=True,
+        default=None,
+    )
     note = models.TextField(blank=True, null=True)
 
     objects = SessionQuerySet.as_manager()
@@ -126,6 +154,12 @@ class Session(models.Model):
             self.duration_calculated = self.timestamp_end - self.timestamp_start
         else:
             self.duration_calculated = timedelta(0)
+
+        if not self.device:
+            default_device, _ = Device.objects.get_or_create(
+                type=Device.UNKNOWN, defaults={"name": "Unknown"}
+            )
+            self.device = default_device
         super(Session, self).save(*args, **kwargs)
 
 
@@ -135,15 +169,17 @@ class Device(models.Model):
     HANDHELD = "ha"
     MOBILE = "mo"
     SBC = "sbc"
+    UNKNOWN = "un"
     DEVICE_TYPES = [
         (PC, "PC"),
         (CONSOLE, "Console"),
         (HANDHELD, "Handheld"),
         (MOBILE, "Mobile"),
         (SBC, "Single-board computer"),
+        (UNKNOWN, "Unknown"),
     ]
     name = models.CharField(max_length=255)
-    type = models.CharField(max_length=3, choices=DEVICE_TYPES, default=PC)
+    type = models.CharField(max_length=3, choices=DEVICE_TYPES, default=UNKNOWN)
 
     def __str__(self):
         return f"{self.name} ({self.get_type_display()})"

games/static/base.css

@@ -1438,6 +1438,10 @@ th label {
     display: block;
   }
 
+  .md\:w-1\/2 {
+    width: 50%;
+  }
+
   .md\:w-auto {
     width: auto;
   }

games/templates/stats.html

@@ -16,27 +16,62 @@
                 </select>
             </form>
         </div>
-        <table class="responsive-table">
+        <div class="flex flex-column flex-wrap justify-center">
-            <thead>
+            <div class="md:w-1/2">
-                <tr>
+                <h1 class="text-5xl text-center my-6">Playtime</h1>
-                    <th class="px-2 sm:px-4 md:px-6 md:py-2">Hours</th>
+                <table class="responsive-table">
-                    <th class="px-2 sm:px-4 md:px-6 md:py-2">Games</th>
+                    <tbody>
-                    <th class="px-2 sm:px-4 md:px-6 md:py-2">Games ({{ year }})</th>
+                        <tr>
-                    <th class="px-2 sm:px-4 md:px-6 md:py-2">Purchases</th>
+                            <td class="px-2 sm:px-4 md:px-6 md:py-2">Hours</td>
-                    <th class="px-2 sm:px-4 md:px-6 md:py-2">Spendings ({{ total_spent_currency }})</th>
+                            <td class="px-2 sm:px-4 md:px-6 md:py-2 font-mono">{{ total_hours }}</td>
-                    <th class="px-2 sm:px-4 md:px-6 md:py-2">{{ total_spent_currency }}/game</th>
+                        </tr>
-                </tr>
+                        <tr>
-            <tbody>
+                            <td class="px-2 sm:px-4 md:px-6 md:py-2">Sessions</td>
-                <tr>
+                            <td class="px-2 sm:px-4 md:px-6 md:py-2 font-mono">{{ total_sessions }}</td>
-                    <td class="px-2 sm:px-4 md:px-6 md:py-2 font-mono">{{ total_hours }}</td>
+                        </tr>
-                    <td class="px-2 sm:px-4 md:px-6 md:py-2 font-mono">{{ total_games }}</td>
+                        <tr>
-                    <td class="px-2 sm:px-4 md:px-6 md:py-2 font-mono">{{ total_2023_games }}</td>
+                            <td class="px-2 sm:px-4 md:px-6 md:py-2">Days</td>
-                    <td class="px-2 sm:px-4 md:px-6 md:py-2 font-mono">{{ all_purchased_this_year.count }}</td>
+                            <td class="px-2 sm:px-4 md:px-6 md:py-2 font-mono">{{ unique_days }} ({{ unique_days_percent }}%)</td>
-                    <td class="px-2 sm:px-4 md:px-6 md:py-2 font-mono">{{ total_spent }}</td>
+                        </tr>
-                    <td class="px-2 sm:px-4 md:px-6 md:py-2 font-mono">{{ spent_per_game }}</td>
+                        <tr>
-                </tr>
+                            <td class="px-2 sm:px-4 md:px-6 md:py-2">Games</td>
-            </tbody>
+                            <td class="px-2 sm:px-4 md:px-6 md:py-2 font-mono">{{ total_games }}</td>
-        </table>
+                        </tr>
+                        <tr>
+                            <td class="px-2 sm:px-4 md:px-6 md:py-2">Games ({{ year }})</td>
+                            <td class="px-2 sm:px-4 md:px-6 md:py-2 font-mono">{{ total_2023_games }}</td>
+                        </tr>
+                        <tr>
+                            <td class="px-2 sm:px-4 md:px-6 md:py-2">Finished</td>
+                            <td class="px-2 sm:px-4 md:px-6 md:py-2 font-mono">{{ all_finished_this_year.count }}</td>
+                        </tr>
+                    </tbody>
+                </table>
+            </div>
+            <div class="md:w-1/2">
+                <h1 class="text-5xl text-center my-6">Purchases</h1>
+                <table class="responsive-table">
+                    <tbody>
+                        <tr>
+                            <td class="px-2 sm:px-4 md:px-6 md:py-2">Total</td>
+                            <td class="px-2 sm:px-4 md:px-6 md:py-2 font-mono">{{ all_purchased_this_year.count }}</td>
+                        </tr>
+                        <tr>
+                            <td class="px-2 sm:px-4 md:px-6 md:py-2">Refunded</td>
+                            <td class="px-2 sm:px-4 md:px-6 md:py-2 font-mono">{{ all_purchased_refunded_this_year.count }} ({{ refunded_percent }}%)</td>
+                        </tr>
+                        <tr>
+                            <td class="px-2 sm:px-4 md:px-6 md:py-2">Unfinished</td>
+                            <td class="px-2 sm:px-4 md:px-6 md:py-2 font-mono">{{ purchased_unfinished.count }} ({{ unfinished_purchases_percent }}%)</td>
+                        </tr>
+                        <tr>
+                            <td class="px-2 sm:px-4 md:px-6 md:py-2">Spendings ({{ total_spent_currency }})</td>
+                            <td class="px-2 sm:px-4 md:px-6 md:py-2 font-mono">{{ total_spent }} ({{ spent_per_game }}/game)</td>
+                        </tr>
+                    </tbody>
+                </table>
+            </div>
+        </div>
         <h1 class="text-5xl text-center my-6">Top games by playtime</h1>
         <table class="responsive-table">
             <thead>
@@ -75,7 +110,58 @@
                 {% endfor %}
             </tbody>
         </table>
-        <h1 class="text-5xl text-center my-6">Purchases</h1>
+        <h1 class="text-5xl text-center my-6">Finished</h1>
+        <table class="responsive-table">
+            <thead>
+                <tr>
+                    <th class="px-2 sm:px-4 md:px-6 md:py-2 purchase-name truncate max-w-20char">Name</th>
+                    <th class="px-2 sm:px-4 md:px-6 md:py-2">Date</th>
+                </tr>
+            </thead>
+            <tbody>
+                {% for purchase in all_finished_this_year %}
+                <tr>
+                    <td class="px-2 sm:px-4 md:px-6 md:py-2 font-mono"><a class="underline decoration-slate-500 sm:decoration-2" href="{% url 'edit_purchase' purchase.id %}">{{ purchase.edition.name }}</a></td>
+                    <td class="px-2 sm:px-4 md:px-6 md:py-2 font-mono">{{ purchase.date_finished | date:"d/m/Y" }}</td>
+                </tr>
+                {% endfor %}
+            </tbody>
+        </table>
+        <h1 class="text-5xl text-center my-6">Finished (2023 games)</h1>
+        <table class="responsive-table">
+            <thead>
+                <tr>
+                    <th class="px-2 sm:px-4 md:px-6 md:py-2 purchase-name truncate max-w-20char">Name</th>
+                    <th class="px-2 sm:px-4 md:px-6 md:py-2">Date</th>
+                </tr>
+            </thead>
+            <tbody>
+                {% for purchase in this_year_finished_this_year %}
+                <tr>
+                    <td class="px-2 sm:px-4 md:px-6 md:py-2 font-mono"><a class="underline decoration-slate-500 sm:decoration-2" href="{% url 'edit_purchase' purchase.id %}">{{ purchase.edition.name }}</a></td>
+                    <td class="px-2 sm:px-4 md:px-6 md:py-2 font-mono">{{ purchase.date_finished | date:"d/m/Y" }}</td>
+                </tr>
+                {% endfor %}
+            </tbody>
+        </table>
+        <h1 class="text-5xl text-center my-6">Bought and Finished ({{ year }})</h1>
+        <table class="responsive-table">
+            <thead>
+                <tr>
+                    <th class="px-2 sm:px-4 md:px-6 md:py-2 purchase-name truncate max-w-20char">Name</th>
+                    <th class="px-2 sm:px-4 md:px-6 md:py-2">Date</th>
+                </tr>
+            </thead>
+            <tbody>
+                {% for purchase in purchased_this_year_finished_this_year %}
+                <tr>
+                    <td class="px-2 sm:px-4 md:px-6 md:py-2 font-mono"><a class="underline decoration-slate-500 sm:decoration-2" href="{% url 'edit_purchase' purchase.id %}">{{ purchase.edition.name }}</a></td>
+                    <td class="px-2 sm:px-4 md:px-6 md:py-2 font-mono">{{ purchase.date_finished | date:"d/m/Y" }}</td>
+                </tr>
+                {% endfor %}
+            </tbody>
+        </table>
+        <h1 class="text-5xl text-center my-6">All Purchases</h1>
         <table class="responsive-table">
             <thead>
                 <tr>

games/templates/view_game.html

@@ -15,9 +15,7 @@
         <h2 class="text-lg my-2 ml-2">
             {{ total_hours }} <span class="dark:text-slate-500">total</span>
             {{ session_average }} <span class="dark:text-slate-500">avg</span> 
-            ({{ first_session.timestamp_start | date:"M Y"}}
+            ({{ playrange }}) </h2>
-             — 
-            {{ last_session.timestamp_start | date:"M Y"}}) </h2>
         <hr class="border-slate-500">
         <h1 class="text-3xl mt-4 mb-1">Editions <span class="dark:text-slate-500">({{ editions.count }})</span></h1>
         <ul>

games/views.py

@@ -1,7 +1,8 @@
 from common.time import format_duration, now as now_with_tz
 from datetime import datetime, timedelta
 from django.conf import settings
-from django.db.models import Sum, F
+from django.db.models import Sum, F, Count
+from django.db.models.functions import TruncDate
 from django.http import HttpRequest, HttpResponse, HttpResponseRedirect
 from django.shortcuts import redirect, render
 from django.urls import reverse
@@ -137,8 +138,15 @@ def view_game(request, game_id=None):
     # here first and last is flipped
     # because sessions are ordered from newest to oldest
     # so the most recent are on top
-    context["last_session"] = context["sessions"].first()
+    playrange_start = context["sessions"].last().timestamp_start.strftime("%b %Y")
-    context["first_session"] = context["sessions"].last()
+    playrange_end = context["sessions"].first().timestamp_start.strftime("%b %Y")
+
+    context["playrange"] = (
+        playrange_start
+        if playrange_start == playrange_end
+        else f"{playrange_start} — {playrange_end}"
+    )
+
     context["sessions_with_notes"] = context["sessions"].exclude(note="")
     request.session["return_path"] = request.path
     return render(request, "view_game.html", context)
@@ -269,6 +277,12 @@ def stats(request, year: int = 0):
     first_day_of_year = datetime(year, 1, 1)
     last_day_of_year = datetime(year + 1, 1, 1)
     year_sessions = Session.objects.filter(timestamp_start__year=year)
+    unique_days = (
+        year_sessions.annotate(date=TruncDate("timestamp_start"))
+        .values("date")
+        .distinct()
+        .aggregate(dates=Count("date"))
+    )
     year_played_purchases = Purchase.objects.filter(
         session__in=year_sessions
     ).distinct()
@@ -277,11 +291,48 @@ def stats(request, year: int = 0):
     all_purchased_this_year = (
         Purchase.objects.filter(date_purchased__year=year)
         .filter(price_currency__exact=selected_currency)
-        .filter(date_refunded__exact=None)
+        .order_by("date_purchased")
+    )
+    all_purchased_without_refunded_this_year = all_purchased_this_year.not_refunded()
+    all_purchased_refunded_this_year = (
+        Purchase.objects.filter(date_purchased__year=year)
+        .filter(price_currency__exact=selected_currency)
+        .refunded()
         .order_by("date_purchased")
     )
 
-    this_year_spendings = all_purchased_this_year.aggregate(total_spent=Sum(F("price")))
+    purchased_unfinished = all_purchased_without_refunded_this_year.filter(
+        date_finished__isnull=True
+    )
+    if (
+        purchased_unfinished.count() == 0
+        or all_purchased_refunded_this_year.count() == 0
+    ):
+        unfinished_purchases_percent = 0
+    else:
+        unfinished_purchases_percent = int(
+            purchased_unfinished.count()
+            / all_purchased_refunded_this_year.count()
+            * 100
+        )
+
+    all_finished_this_year = Purchase.objects.filter(date_finished__year=year).order_by(
+        "date_finished"
+    )
+    this_year_finished_this_year = (
+        Purchase.objects.filter(date_finished__year=year)
+        .filter(edition__year_released=year)
+        .order_by("date_finished")
+    )
+    purchased_this_year_finished_this_year = (
+        all_purchased_without_refunded_this_year.filter(
+            date_finished__year=year
+        ).order_by("date_finished")
+    )
+
+    this_year_spendings = all_purchased_without_refunded_this_year.aggregate(
+        total_spent=Sum(F("price"))
+    )
     total_spent = this_year_spendings["total_spent"]
 
     games_with_playtime = (
@@ -321,8 +372,25 @@ def stats(request, year: int = 0):
         "total_playtime_per_platform": total_playtime_per_platform,
         "total_spent": total_spent,
         "total_spent_currency": selected_currency,
+        "all_purchased_this_year": all_purchased_without_refunded_this_year,
+        "spent_per_game": int(
+            total_spent / all_purchased_without_refunded_this_year.count()
+        ),
+        "all_finished_this_year": all_finished_this_year,
+        "this_year_finished_this_year": this_year_finished_this_year,
+        "purchased_this_year_finished_this_year": purchased_this_year_finished_this_year,
+        "total_sessions": year_sessions.count(),
+        "unique_days": unique_days["dates"],
+        "unique_days_percent": int(unique_days["dates"] / 365 * 100),
+        "purchased_unfinished": purchased_unfinished,
+        "unfinished_purchases_percent": unfinished_purchases_percent,
+        "refunded_percent": int(
+            all_purchased_refunded_this_year.count()
+            / all_purchased_this_year.count()
+            * 100
+        ),
+        "all_purchased_refunded_this_year": all_purchased_refunded_this_year,
         "all_purchased_this_year": all_purchased_this_year,
-        "spent_per_game": int(total_spent / all_purchased_this_year.count()),
     }
 
     request.session["return_path"] = request.path