Version 1.4.0

* ignore English articles when sorting names
  * added a new sort_name field that gets automatically created
* automatically fill certain values in forms:
  * new game: name and sort name after typing
  * new edition: name and sort name when selecting game
  * new purchase: platform when selecting edition

CHANGELOG.md

@@ -1,4 +1,4 @@
-## Unreleased
+## 1.4.0 / 2023-11-09 21:01+01:00
 
 ### New
 * More fields are now optional. This is to make it easier to add new items in bulk.
@@ -22,9 +22,19 @@
   * Finished (count)
   * Unfinished (count)
   * Refunded (count)
+  * Backlog Decrease (count)
+* New workflow:
+  * Adding Game, Edition, Purchase, and Session in a row is now much faster
 
 ### Improved
 * game overview: simplify playtime range display
+* new session: order devices alphabetically
+* ignore English articles when sorting names
+  * added a new sort_name field that gets automatically created
+* automatically fill certain values in forms:
+  * new game: name and sort name after typing
+  * new edition: name, sort name, and year when selecting game
+  * new purchase: platform when selecting edition
 
 ## 1.3.0 / 2023-11-05 15:09+01:00
 

Dockerfile

@@ -6,7 +6,7 @@ RUN npm install && \
 
 FROM python:3.10.9-slim-bullseye
 
-ENV VERSION_NUMBER 1.3.0
+ENV VERSION_NUMBER 1.4.0
 ENV PROD 1
 ENV PYTHONUNBUFFERED=1
 

common/utils.py

@@ -0,0 +1,9 @@
+def safe_division(numerator: int | float, denominator: int | float) -> int | float:
+    """
+    Divides without triggering division by zero exception.
+    Returns 0 if denominator is 0.
+    """
+    try:
+        return numerator / denominator
+    except ZeroDivisionError:
+        return 0

games/forms.py

@@ -6,7 +6,6 @@ custom_date_widget = forms.DateInput(attrs={"type": "date"})
 custom_datetime_widget = forms.DateTimeInput(
     attrs={"type": "datetime-local"}, format="%Y-%m-%d %H:%M"
 )
-autofocus_select_widget = forms.Select(attrs={"autofocus": "autofocus"})
 autofocus_input_widget = forms.TextInput(attrs={"autofocus": "autofocus"})
 
 
@@ -15,10 +14,12 @@ class SessionForm(forms.ModelForm):
     #     queryset=Purchase.objects.filter(date_refunded=None).order_by("edition__name")
     # )
     purchase = forms.ModelChoiceField(
-        queryset=Purchase.objects.order_by("edition__name"),
-        widget=autofocus_select_widget,
+        queryset=Purchase.objects.order_by("edition__sort_name"),
+        widget=forms.Select(attrs={"autofocus": "autofocus"}),
     )
 
+    device = forms.ModelChoiceField(queryset=Device.objects.order_by("name"))
+
     class Meta:
         widgets = {
             "timestamp_start": custom_datetime_widget,
@@ -37,12 +38,21 @@ class SessionForm(forms.ModelForm):
 
 class EditionChoiceField(forms.ModelChoiceField):
     def label_from_instance(self, obj) -> str:
-        return f"{obj.name} ({obj.platform}, {obj.year_released})"
+        return f"{obj.sort_name} ({obj.platform}, {obj.year_released})"
+
+
+class IncludePlatformSelect(forms.Select):
+    def create_option(self, name, value, *args, **kwargs):
+        option = super().create_option(name, value, *args, **kwargs)
+        if value:
+            option["attrs"]["data-platform"] = value.instance.platform.id
+        return option
 
 
 class PurchaseForm(forms.ModelForm):
     edition = EditionChoiceField(
-        queryset=Edition.objects.order_by("name"), widget=autofocus_select_widget
+        queryset=Edition.objects.order_by("sort_name"),
+        widget=IncludePlatformSelect(attrs={"autoselect": "autoselect"}),
     )
     platform = forms.ModelChoiceField(queryset=Platform.objects.order_by("name"))
 
@@ -65,9 +75,25 @@ class PurchaseForm(forms.ModelForm):
         ]
 
 
+class IncludeNameSelect(forms.Select):
+    def create_option(self, name, value, *args, **kwargs):
+        option = super().create_option(name, value, *args, **kwargs)
+        if value:
+            option["attrs"]["data-name"] = value.instance.name
+            option["attrs"]["data-year"] = value.instance.year_released
+        return option
+
+
+class GameModelChoiceField(forms.ModelChoiceField):
+    def label_from_instance(self, obj):
+        # Use sort_name as the label for the option
+        return obj.sort_name
+
+
 class EditionForm(forms.ModelForm):
-    game = forms.ModelChoiceField(
-        queryset=Game.objects.order_by("name"), widget=autofocus_select_widget
+    game = GameModelChoiceField(
+        queryset=Game.objects.order_by("sort_name"),
+        widget=IncludeNameSelect(attrs={"autofocus": "autofocus"}),
     )
     platform = forms.ModelChoiceField(
         queryset=Platform.objects.order_by("name"), required=False
@@ -75,13 +101,13 @@ class EditionForm(forms.ModelForm):
 
     class Meta:
         model = Edition
-        fields = ["game", "name", "platform", "year_released", "wikidata"]
+        fields = ["game", "name", "sort_name", "platform", "year_released", "wikidata"]
 
 
 class GameForm(forms.ModelForm):
     class Meta:
         model = Game
-        fields = ["name", "year_released", "wikidata"]
+        fields = ["name", "sort_name", "year_released", "wikidata"]
         widgets = {"name": autofocus_input_widget}
 
 

games/migrations/0024_edition_sort_name.py

@@ -0,0 +1,39 @@
+# Generated by Django 4.1.5 on 2023-11-09 09:32
+
+from django.db import migrations, models
+
+
+def create_sort_name(apps, schema_editor):
+    Edition = apps.get_model(
+        "games", "Edition"
+    )  # Replace 'your_app_name' with the actual name of your app
+
+    for edition in Edition.objects.all():
+        name = edition.name
+        # Check for articles at the beginning of the name and move them to the end
+        if name.lower().startswith("the "):
+            sort_name = f"{name[4:]}, The"
+        elif name.lower().startswith("a "):
+            sort_name = f"{name[2:]}, A"
+        elif name.lower().startswith("an "):
+            sort_name = f"{name[3:]}, An"
+        else:
+            sort_name = name
+        # Save the sort_name back to the database
+        edition.sort_name = sort_name
+        edition.save()
+
+
+class Migration(migrations.Migration):
+    dependencies = [
+        ("games", "0023_purchase_date_finished"),
+    ]
+
+    operations = [
+        migrations.AddField(
+            model_name="edition",
+            name="sort_name",
+            field=models.CharField(blank=True, default=None, max_length=255, null=True),
+        ),
+        migrations.RunPython(create_sort_name),
+    ]

games/migrations/0025_game_sort_name.py

@@ -0,0 +1,39 @@
+# Generated by Django 4.1.5 on 2023-11-09 09:32
+
+from django.db import migrations, models
+
+
+def create_sort_name(apps, schema_editor):
+    Game = apps.get_model(
+        "games", "Game"
+    )  # Replace 'your_app_name' with the actual name of your app
+
+    for game in Game.objects.all():
+        name = game.name
+        # Check for articles at the beginning of the name and move them to the end
+        if name.lower().startswith("the "):
+            sort_name = f"{name[4:]}, The"
+        elif name.lower().startswith("a "):
+            sort_name = f"{name[2:]}, A"
+        elif name.lower().startswith("an "):
+            sort_name = f"{name[3:]}, An"
+        else:
+            sort_name = name
+        # Save the sort_name back to the database
+        game.sort_name = sort_name
+        game.save()
+
+
+class Migration(migrations.Migration):
+    dependencies = [
+        ("games", "0024_edition_sort_name"),
+    ]
+
+    operations = [
+        migrations.AddField(
+            model_name="game",
+            name="sort_name",
+            field=models.CharField(blank=True, default=None, max_length=255, null=True),
+        ),
+        migrations.RunPython(create_sort_name),
+    ]

games/models.py

@@ -10,12 +10,26 @@ from django.db.models import F, Manager, Sum
 
 class Game(models.Model):
     name = models.CharField(max_length=255)
+    sort_name = models.CharField(max_length=255, 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
 
+    def save(self, *args, **kwargs):
+        def get_sort_name(name):
+            articles = ["a", "an", "the"]
+            name_parts = name.split()
+            first_word = name_parts[0].lower()
+            if first_word in articles:
+                return f"{' '.join(name_parts[1:])}, {name_parts[0]}"
+            else:
+                return name
+
+        self.sort_name = get_sort_name(self.name)
+        super().save(*args, **kwargs)
+
 
 class Edition(models.Model):
     class Meta:
@@ -23,6 +37,7 @@ class Edition(models.Model):
 
     game = models.ForeignKey("Game", on_delete=models.CASCADE)
     name = models.CharField(max_length=255)
+    sort_name = models.CharField(max_length=255, null=True, blank=True, default=None)
     platform = models.ForeignKey(
         "Platform", on_delete=models.CASCADE, null=True, blank=True, default=None
     )
@@ -30,7 +45,20 @@ class Edition(models.Model):
     wikidata = models.CharField(max_length=50, null=True, blank=True, default=None)
 
     def __str__(self):
-        return self.name
+        return self.sort_name
+
+    def save(self, *args, **kwargs):
+        def get_sort_name(name):
+            articles = ["a", "an", "the"]
+            name_parts = name.split()
+            first_word = name_parts[0].lower()
+            if first_word in articles:
+                return f"{' '.join(name_parts[1:])}, {name_parts[0]}"
+            else:
+                return name
+
+        self.sort_name = get_sort_name(self.name)
+        super().save(*args, **kwargs)
 
 
 class PurchaseQueryset(models.QuerySet):

games/static/js/add_edition.js

@@ -1,29 +1,24 @@
-/**
- * @description Sync select field with input field until user focuses it.
- * @param {HTMLSelectElement} sourceElementSelector
- * @param {HTMLInputElement} targetElementSelector
- */
-function syncSelectInputUntilChanged(
-  sourceElementSelector,
-  targetElementSelector
-) {
-  const sourceElement = document.querySelector(sourceElementSelector);
-  const targetElement = document.querySelector(targetElementSelector);
-  function sourceElementHandler(event) {
-    let selected = event.target.value;
-    let selectedValue = document.querySelector(
-      `#id_game option[value='${selected}']`
-    ).textContent;
-    targetElement.value = selectedValue;
-  }
-  function targetElementHandler(event) {
-    sourceElement.removeEventListener("change", sourceElementHandler);
-  }
+import { syncSelectInputUntilChanged } from './utils.js';
 
-  sourceElement.addEventListener("change", sourceElementHandler);
-  targetElement.addEventListener("focus", targetElementHandler);
-}
+let syncData = [
+  {
+    "source": "#id_game",
+    "source_value": "dataset.name",
+    "target": "#id_name",
+    "target_value": "value"
+  },
+  {
+    "source": "#id_game",
+    "source_value": "textContent",
+    "target": "#id_sort_name",
+    "target_value": "value"
+  },
+  {
+    "source": "#id_game",
+    "source_value": "dataset.year",
+    "target": "#id_year_released",
+    "target_value": "value"
+  },  
+]
 
-window.addEventListener("load", () => {
-  syncSelectInputUntilChanged("#id_game", "#id_name");
-});
+syncSelectInputUntilChanged(syncData, "form");

games/static/js/add_game.js

@@ -0,0 +1,12 @@
+import { syncSelectInputUntilChanged } from './utils.js'
+
+let syncData = [
+  {
+    "source": "#id_name",
+    "source_value": "value",
+    "target": "#id_sort_name",
+    "target_value": "value"
+  }
+]
+
+syncSelectInputUntilChanged(syncData, "form")

games/static/js/add_purchase.js

@@ -0,0 +1,12 @@
+import { syncSelectInputUntilChanged } from './utils.js'
+
+let syncData = [
+  {
+    "source": "#id_edition",
+    "source_value": "dataset.platform",
+    "target": "#id_platform",
+    "target_value": "value"
+  }
+]
+
+syncSelectInputUntilChanged(syncData, "form")

games/static/js/utils.js

@@ -3,7 +3,7 @@
  * @param {Date} date
  * @returns {string}
  */
-export function toISOUTCString(date) {
+function toISOUTCString(date) {
   function stringAndPad(number) {
     return number.toString().padStart(2, 0);
   }
@@ -14,3 +14,77 @@ export function toISOUTCString(date) {
   const minutes = stringAndPad(date.getMinutes());
   return `${year}-${month}-${day}T${hours}:${minutes}`;
 }
+
+/**
+ * @description Sync values between source and target elements based on syncData configuration.
+ * @param {Array} syncData - Array of objects to define source and target elements with their respective value types.
+ */
+function syncSelectInputUntilChanged(syncData, parentSelector = document) {
+  const parentElement =
+    parentSelector === document
+      ? document
+      : document.querySelector(parentSelector);
+
+  if (!parentElement) {
+    console.error(`The parent selector "${parentSelector}" is not valid.`);
+    return;
+  }
+  // Set up a single change event listener on the document for handling all source changes
+  parentElement.addEventListener("change", function (event) {
+    // Loop through each sync configuration item
+    syncData.forEach((syncItem) => {
+      // Check if the change event target matches the source selector
+      if (event.target.matches(syncItem.source)) {
+        const sourceElement = event.target;
+        const valueToSync = getValueFromProperty(
+          sourceElement,
+          syncItem.source_value
+        );
+        const targetElement = document.querySelector(syncItem.target);
+
+        if (targetElement && valueToSync !== null) {
+          targetElement[syncItem.target_value] = valueToSync;
+        }
+      }
+    });
+  });
+
+  // Set up a single focus event listener on the document for handling all target focuses
+  parentElement.addEventListener(
+    "focus",
+    function (event) {
+      // Loop through each sync configuration item
+      syncData.forEach((syncItem) => {
+        // Check if the focus event target matches the target selector
+        if (event.target.matches(syncItem.target)) {
+          // Remove the change event listener to stop syncing
+          // This assumes you want to stop syncing once any target receives focus
+          // You may need a more sophisticated way to remove listeners if you want to stop
+          // syncing selectively based on other conditions
+          document.removeEventListener("change", syncSelectInputUntilChanged);
+        }
+      });
+    },
+    true
+  ); // Use capture phase to ensure the event is captured during focus, not bubble
+}
+
+/**
+ * @description Retrieve the value from the source element based on the provided property.
+ * @param {Element} sourceElement - The source HTML element.
+ * @param {string} property - The property to retrieve the value from.
+ */
+function getValueFromProperty(sourceElement, property) {
+  let source = (sourceElement instanceof HTMLSelectElement) ? sourceElement.selectedOptions[0] : sourceElement
+  if (property.startsWith("dataset.")) {
+    let datasetKey = property.slice(8); // Remove 'dataset.' part
+    return source.dataset[datasetKey];
+  } else if (property in source) {
+    return source[property];
+  } else {
+    console.error(`Property ${property} is not valid for the option element.`);
+    return null;
+  }
+}
+
+export { toISOUTCString, syncSelectInputUntilChanged };

games/templates/add.html

@@ -1,4 +1,5 @@
 {% extends "base.html" %}
+{% load static %}
 
 {% block title %}{{ title }}{% endblock title %}
 
@@ -15,3 +16,10 @@
         </table>
     </form>
 {% endblock content %}
+
+{% block scripts %}
+    {% if script_name %}
+        <script type="module" src="{% static 'js/'|add:script_name %}"></script>
+    {% endif %}
+{% endblock scripts %}
+        

games/templates/add_edition.html

@@ -1,4 +1,5 @@
 {% extends "base.html" %}
+{% load static %}
 
 {% block title %}{{ title }}{% endblock title %}
 
@@ -10,13 +11,19 @@
         {{ form.as_table }}
         <tr>
             <td></td>
-            <td><input type="submit" value="Submit"/></td>
+            <td><input type="submit" name="submit" value="Submit"/></td>
+        </tr>
+        <tr>
+            <td></td>
+            <td><input type="submit" name="submit_and_redirect" value="Submit & Create Purchase"/></td>
         </tr>
         </table>
     </form>
 {% endblock content %}
 
 {% block scripts %}
-{% load static %}
-<script type="module" src="{% static 'js/add_edition.js' %}"></script>
+    {% if script_name %}
+        <script type="module" src="{% static 'js/'|add:script_name %}"></script>
+    {% endif %}
 {% endblock scripts %}
+        

games/templates/add_game.html

@@ -0,0 +1,29 @@
+{% extends "base.html" %}
+{% load static %}
+
+{% block title %}{{ title }}{% endblock title %}
+
+{% block content %}
+    <form method="post" enctype="multipart/form-data">
+        <table class="mx-auto">
+        {% csrf_token %}
+
+        {{ form.as_table }}
+        <tr>
+            <td></td>
+            <td><input type="submit" name="submit" value="Submit"/></td>
+        </tr>
+        <tr>
+            <td></td>
+            <td><input type="submit" name="submit_and_redirect" value="Submit & Create Edition"/></td>
+        </tr>
+        </table>
+    </form>
+{% endblock content %}
+
+{% block scripts %}
+    {% if script_name %}
+        <script type="module" src="{% static 'js/'|add:script_name %}"></script>
+    {% endif %}
+{% endblock scripts %}
+        

games/templates/add_purchase.html

@@ -0,0 +1,29 @@
+{% extends "base.html" %}
+{% load static %}
+
+{% block title %}{{ title }}{% endblock title %}
+
+{% block content %}
+    <form method="post" enctype="multipart/form-data">
+        <table class="mx-auto">
+        {% csrf_token %}
+
+        {{ form.as_table }}
+        <tr>
+            <td></td>
+            <td><input type="submit" name="submit" value="Submit"/></td>
+        </tr>
+        <tr>
+            <td></td>
+            <td><input type="submit" name="submit_and_redirect" value="Submit & Create Session"/></td>
+        </tr>
+        </table>
+    </form>
+{% endblock content %}
+
+{% block scripts %}
+    {% if script_name %}
+        <script type="module" src="{% static 'js/'|add:script_name %}"></script>
+    {% endif %}
+{% endblock scripts %}
+        

games/templates/stats.html

@@ -64,6 +64,10 @@
                             <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">Backlog Decrease</td>
+                            <td class="px-2 sm:px-4 md:px-6 md:py-2 font-mono">{{ backlog_decrease_count }}</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>
@@ -127,7 +131,7 @@
                 {% endfor %}
             </tbody>
         </table>
-        <h1 class="text-5xl text-center my-6">Finished (2023 games)</h1>
+        <h1 class="text-5xl text-center my-6">Finished ({{ year }} games)</h1>
         <table class="responsive-table">
             <thead>
                 <tr>

games/urls.py

@@ -11,8 +11,14 @@ urlpatterns = [
         name="list_sessions_recent",
     ),
     path("add-game/", views.add_game, name="add_game"),
+    path("add-game-unified/", views.add_game_unified, name="add_game_unified"),
     path("add-platform/", views.add_platform, name="add_platform"),
     path("add-session/", views.add_session, name="add_session"),
+    path(
+        "add-session-for-purchase/<int:purchase_id>",
+        views.add_session,
+        name="add_session_for_purchase",
+    ),
     path(
         "update-session/by-session/<int:session_id>",
         views.update_session,
@@ -34,7 +40,17 @@ urlpatterns = [
     #     name="delete_session",
     # ),
     path("add-purchase/", views.add_purchase, name="add_purchase"),
+    path(
+        "add-purchase-for-edition/<int:edition_id>",
+        views.add_purchase,
+        name="add_purchase_for_edition",
+    ),
     path("add-edition/", views.add_edition, name="add_edition"),
+    path(
+        "add-edition-for-game/<int:game_id>",
+        views.add_edition,
+        name="add_edition_for_game",
+    ),
     path("edit-edition/<int:edition_id>", views.edit_edition, name="edit_edition"),
     path("game/<int:game_id>/view", views.view_game, name="view_game"),
     path("game/<int:game_id>/edit", views.edit_game, name="edit_game"),

games/views.py

@@ -1,4 +1,5 @@
 from common.time import format_duration, now as now_with_tz
+from common.utils import safe_division
 from datetime import datetime, timedelta
 from django.conf import settings
 from django.db.models import Sum, F, Count
@@ -34,21 +35,30 @@ def stats_dropdown_year_range(request):
     return {"stats_dropdown_year_range": range(2018, 2024)}
 
 
-def add_session(request):
+def add_session(request, purchase_id=None):
     context = {}
-    initial = {}
-
-    now = now_with_tz()
-    initial["timestamp_start"] = now
+    initial = {"timestamp_start": now_with_tz()}
 
     last = Session.objects.all().last()
     if last != None:
         initial["purchase"] = last.purchase
 
+    if request.method == "POST":
         form = SessionForm(request.POST or None, initial=initial)
         if form.is_valid():
             form.save()
             return redirect("list_sessions")
+    else:
+        if purchase_id:
+            purchase = Purchase.objects.get(id=purchase_id)
+            form = SessionForm(
+                initial={
+                    **initial,
+                    "purchase": purchase,
+                }
+            )
+        else:
+            form = SessionForm(initial=initial)
 
     context["title"] = "Add New Session"
     context["form"] = form
@@ -274,69 +284,57 @@ def stats(request, year: int = 0):
         return HttpResponseRedirect(reverse("stats_by_year", args=[selected_year]))
     if year == 0:
         year = now_with_tz().year
-    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)
+    this_year_sessions = Session.objects.filter(timestamp_start__year=year)
+    selected_currency = "CZK"
     unique_days = (
-        year_sessions.annotate(date=TruncDate("timestamp_start"))
+        this_year_sessions.annotate(date=TruncDate("timestamp_start"))
         .values("date")
         .distinct()
         .aggregate(dates=Count("date"))
     )
-    year_played_purchases = Purchase.objects.filter(
-        session__in=year_sessions
+    this_year_played_purchases = Purchase.objects.filter(
+        session__in=this_year_sessions
     ).distinct()
 
-    selected_currency = "CZK"
-    all_purchased_this_year = (
-        Purchase.objects.filter(date_purchased__year=year)
-        .filter(price_currency__exact=selected_currency)
-        .order_by("date_purchased")
+    this_year_purchases = Purchase.objects.filter(date_purchased__year=year)
+    this_year_purchases_with_currency = this_year_purchases.filter(
+        price_currency__exact=selected_currency
     )
-    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_purchases_without_refunded = this_year_purchases_with_currency.filter(
+        date_refunded=None
     )
+    this_year_purchases_refunded = this_year_purchases_with_currency.refunded()
 
-    purchased_unfinished = all_purchased_without_refunded_this_year.filter(
+    this_year_purchases_unfinished = this_year_purchases_without_refunded.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()
+
+    this_year_purchases_unfinished_percent = int(
+        safe_division(
+            this_year_purchases_unfinished.count(), this_year_purchases_refunded.count()
+        )
         * 100
     )
 
-    all_finished_this_year = Purchase.objects.filter(date_finished__year=year).order_by(
+    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(
             "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
+        this_year_purchases_without_refunded.intersection(
+            purchases_finished_this_year
         ).order_by("date_finished")
     )
 
-    this_year_spendings = all_purchased_without_refunded_this_year.aggregate(
+    this_year_spendings = this_year_purchases_without_refunded.aggregate(
         total_spent=Sum(F("price"))
     )
     total_spent = this_year_spendings["total_spent"]
 
     games_with_playtime = (
-        Game.objects.filter(edition__purchase__session__in=year_sessions)
+        Game.objects.filter(edition__purchase__session__in=this_year_sessions)
         .annotate(
             total_playtime=Sum(
                 F("edition__purchase__session__duration_calculated")
@@ -350,7 +348,7 @@ def stats(request, year: int = 0):
         game["formatted_playtime"] = format_duration(game["total_playtime"], "%2.0H")
 
     total_playtime_per_platform = (
-        year_sessions.values("purchase__platform__name")
+        this_year_sessions.values("purchase__platform__name")
         .annotate(total_playtime=Sum(F("duration_calculated") + F("duration_manual")))
         .annotate(platform_name=F("purchase__platform__name"))
         .values("platform_name", "total_playtime")
@@ -359,12 +357,18 @@ def stats(request, year: int = 0):
     for item in total_playtime_per_platform:
         item["formatted_playtime"] = format_duration(item["total_playtime"], "%2.0H")
 
+    backlog_decrease_count = (
+        Purchase.objects.filter(date_purchased__year__lt=year)
+        .intersection(purchases_finished_this_year)
+        .count()
+    )
+
     context = {
         "total_hours": format_duration(
-            year_sessions.total_duration_unformatted(), "%2.0H"
+            this_year_sessions.total_duration_unformatted(), "%2.0H"
         ),
-        "total_games": year_played_purchases.count(),
-        "total_2023_games": year_played_purchases.filter(
+        "total_games": this_year_played_purchases.count(),
+        "total_2023_games": this_year_played_purchases.filter(
             edition__year_released=year
         ).count(),
         "top_10_games_by_playtime": top_10_games_by_playtime,
@@ -372,66 +376,115 @@ 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,
+        "all_purchased_this_year": this_year_purchases_without_refunded,
         "spent_per_game": int(
-            total_spent / all_purchased_without_refunded_this_year.count()
+            safe_division(total_spent, this_year_purchases_without_refunded.count())
         ),
-        "all_finished_this_year": all_finished_this_year,
-        "this_year_finished_this_year": this_year_finished_this_year,
+        "all_finished_this_year": purchases_finished_this_year,
+        "this_year_finished_this_year": purchases_finished_this_year_released_this_year,
         "purchased_this_year_finished_this_year": purchased_this_year_finished_this_year,
-        "total_sessions": year_sessions.count(),
+        "total_sessions": this_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,
+        "purchased_unfinished": this_year_purchases_unfinished,
+        "unfinished_purchases_percent": this_year_purchases_unfinished_percent,
         "refunded_percent": int(
-            all_purchased_refunded_this_year.count()
-            / all_purchased_this_year.count()
+            safe_division(
+                this_year_purchases_refunded.count(),
+                this_year_purchases_with_currency.count(),
+            )
             * 100
         ),
-        "all_purchased_refunded_this_year": all_purchased_refunded_this_year,
-        "all_purchased_this_year": all_purchased_this_year,
+        "all_purchased_refunded_this_year": this_year_purchases_refunded,
+        "all_purchased_this_year": this_year_purchases_with_currency.order_by(
+            "date_purchased"
+        ),
+        "backlog_decrease_count": backlog_decrease_count,
     }
 
     request.session["return_path"] = request.path
     return render(request, "stats.html", context)
 
 
-def add_purchase(request):
+def add_purchase(request, edition_id=None):
     context = {}
-    now = datetime.now()
-    initial = {"date_purchased": now}
+    initial = {"date_purchased": now_with_tz()}
+
+    if request.method == "POST":
         form = PurchaseForm(request.POST or None, initial=initial)
         if form.is_valid():
-        form.save()
+            purchase = form.save()
+            if "submit_and_redirect" in request.POST:
+                return HttpResponseRedirect(
+                    reverse(
+                        "add_session_for_purchase", kwargs={"purchase_id": purchase.id}
+                    )
+                )
+            else:
                 return redirect("index")
+    else:
+        if edition_id:
+            edition = Edition.objects.get(id=edition_id)
+            form = PurchaseForm(
+                initial={
+                    **initial,
+                    "edition": edition,
+                    "platform": edition.platform,
+                }
+            )
+        else:
+            form = PurchaseForm(initial=initial)
 
     context["form"] = form
     context["title"] = "Add New Purchase"
-    return render(request, "add.html", context)
+    context["script_name"] = "add_purchase.js"
+    return render(request, "add_purchase.html", context)
 
 
 def add_game(request):
     context = {}
     form = GameForm(request.POST or None)
     if form.is_valid():
-        form.save()
+        game = form.save()
+        if "submit_and_redirect" in request.POST:
+            return HttpResponseRedirect(
+                reverse("add_edition_for_game", kwargs={"game_id": game.id})
+            )
+        else:
             return redirect("index")
 
     context["form"] = form
     context["title"] = "Add New Game"
-    return render(request, "add.html", context)
+    context["script_name"] = "add_game.js"
+    return render(request, "add_game.html", context)
 
 
-def add_edition(request):
+def add_edition(request, game_id=None):
     context = {}
+    if request.method == "POST":
         form = EditionForm(request.POST or None)
         if form.is_valid():
-        form.save()
+            edition = form.save()
+            if "submit_and_redirect" in request.POST:
+                return HttpResponseRedirect(
+                    reverse(
+                        "add_purchase_for_edition", kwargs={"edition_id": edition.id}
+                    )
+                )
+            else:
                 return redirect("index")
+    else:
+        if game_id:
+            game = Game.objects.get(id=game_id)
+            form = EditionForm(
+                initial={"game": game, "name": game.name, "sort_name": game.sort_name}
+            )
+        else:
+            form = EditionForm()
 
     context["form"] = form
     context["title"] = "Add New Edition"
+    context["script_name"] = "add_edition.js"
     return render(request, "add_edition.html", context)
 
 

pyproject.toml

@@ -1,6 +1,6 @@
 [tool.poetry]
 name = "timetracker"
-version = "1.3.0"
+version = "1.4.0"
 description = "A simple time tracker."
 authors = ["Lukáš Kucharczyk <lukas@kucharczyk.xyz>"]
 license = "GPL"