Use better way to find out if model record exists

common/input.css

@@ -23,6 +23,12 @@
   font-style: normal;
 }
 
+a:hover {
+  text-decoration-color: #ff4400;
+  color: rgb(254, 185, 160);
+  transition: all 0.2s ease-out;
+}
+
 form label {
   @apply dark:text-slate-400;
 }

games/static/base.css

@@ -1173,6 +1173,12 @@ select {
   font-style: normal;
 }
 
+a:hover {
+  text-decoration-color: #ff4400;
+  color: rgb(254, 185, 160);
+  transition: all 0.2s ease-out;
+}
+
 :is(.dark form label) {
   --tw-text-opacity: 1;
   color: rgb(148 163 184 / var(--tw-text-opacity));
@@ -1477,10 +1483,6 @@ th label {
     display: block;
   }
 
-  .md\:w-1\/2 {
-    width: 50%;
-  }
-
   .md\:w-auto {
     width: auto;
   }

games/templates/stats.html

@@ -18,8 +18,6 @@
                 </select>
             </form>
         </div>
-        <div class="flex flex-column flex-wrap justify-center">
-            <div class="md:w-1/2">
                 <h1 class="text-5xl text-center my-6">Playtime</h1>
                 <table class="responsive-table">
                     <tbody>
@@ -51,10 +49,16 @@
                             <td class="px-2 sm:px-4 md:px-6 md:py-2">Finished ({{ year }})</td>
                             <td class="px-2 sm:px-4 md:px-6 md:py-2 font-mono">{{ this_year_finished_this_year.count }}</td>
                         </tr>
+                <tr>
+                    <td class="px-2 sm:px-4 md:px-6 md:py-2">Longest session</td>
+                    <td class="px-2 sm:px-4 md:px-6 md:py-2 font-mono">{{ longest_session_time }} ({{ longest_session_game }})</td>
+                </tr>
+                <tr>
+                    <td class="px-2 sm:px-4 md:px-6 md:py-2">Most sessions</td>
+                    <td class="px-2 sm:px-4 md:px-6 md:py-2 font-mono">{{ highest_session_count }} ({{ highest_session_count_game }})</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>

games/views.py

@@ -2,8 +2,8 @@ from datetime import datetime, timedelta
 from typing import Any, Callable
 
 from django.core.exceptions import ObjectDoesNotExist
-from django.db.models import Count, F, Prefetch, Q, Sum
+from django.db.models import Count, ExpressionWrapper, F, Prefetch, Q, Sum, fields
-from django.db.models.functions import TruncDate
+from django.db.models.functions import Extract, TruncDate
 from django.http import (
     HttpRequest,
     HttpResponse,
@@ -30,11 +30,11 @@ from .models import Edition, Game, Platform, Purchase, Session
 
 def model_counts(request):
     return {
-        "game_available": Game.objects.count() != 0,
+        "game_available": Game.objects.exists(),
-        "edition_available": Edition.objects.count() != 0,
+        "edition_available": Edition.objects.exists(),
-        "platform_available": Platform.objects.count() != 0,
+        "platform_available": Platform.objects.exists(),
-        "purchase_available": Purchase.objects.count() != 0,
+        "purchase_available": Purchase.objects.exists(),
-        "session_count": Session.objects.count(),
+        "session_count": Session.objects.exists(),
     }
 
 
@@ -321,6 +321,22 @@ def stats(request, year: int = 0):
     if year == 0:
         year = timezone.now().year
     this_year_sessions = Session.objects.filter(timestamp_start__year=year)
+    this_year_sessions_with_durations = this_year_sessions.annotate(
+        duration=ExpressionWrapper(
+            F("timestamp_end") - F("timestamp_start"),
+            output_field=fields.DurationField(),
+        )
+    )
+    longest_session = this_year_sessions_with_durations.order_by("-duration").first()
+    this_year_games_with_session_counts = Game.objects.annotate(
+        session_count=Count(
+            "edition__purchase__session",
+            filter=Q(edition__purchase__session__timestamp_start__year=year),
+        )
+    )
+    game_highest_session_count = this_year_games_with_session_counts.order_by(
+        "-session_count"
+    ).first()
     selected_currency = "CZK"
     unique_days = (
         this_year_sessions.annotate(date=TruncDate("timestamp_start"))
@@ -444,6 +460,13 @@ def stats(request, year: int = 0):
             "date_purchased"
         ),
         "backlog_decrease_count": backlog_decrease_count,
+        "longest_session_time": format_duration(
+            longest_session.duration if longest_session else timedelta(0),
+            "%2.0Hh%2.0mm",
+        ),
+        "longest_session_game": longest_session.purchase.edition.name,
+        "highest_session_count": game_highest_session_count.session_count,
+        "highest_session_count_game": game_highest_session_count.name,
     }
 
     request.session["return_path"] = request.path

poetry.lock

@@ -1,9 +1,10 @@
-# This file is automatically @generated by Poetry 1.7.0 and should not be changed by hand.
+# This file is automatically @generated by Poetry and should not be changed by hand.
 
 [[package]]
 name = "asgiref"
 version = "3.7.2"
 description = "ASGI specs, helper code, and adapters"
+category = "main"
 optional = false
 python-versions = ">=3.7"
 files = [
@@ -18,6 +19,7 @@ tests = ["mypy (>=0.800)", "pytest", "pytest-asyncio"]
 name = "black"
 version = "22.12.0"
 description = "The uncompromising code formatter."
+category = "dev"
 optional = false
 python-versions = ">=3.7"
 files = [
@@ -51,6 +53,7 @@ uvloop = ["uvloop (>=0.15.2)"]
 name = "cfgv"
 version = "3.4.0"
 description = "Validate configuration and produce human readable error messages."
+category = "dev"
 optional = false
 python-versions = ">=3.8"
 files = [
@@ -62,6 +65,7 @@ files = [
 name = "click"
 version = "8.1.7"
 description = "Composable command line interface toolkit"
+category = "main"
 optional = false
 python-versions = ">=3.7"
 files = [
@@ -76,6 +80,7 @@ colorama = {version = "*", markers = "platform_system == \"Windows\""}
 name = "colorama"
 version = "0.4.6"
 description = "Cross-platform colored terminal text."
+category = "main"
 optional = false
 python-versions = "!=3.0.*,!=3.1.*,!=3.2.*,!=3.3.*,!=3.4.*,!=3.5.*,!=3.6.*,>=2.7"
 files = [
@@ -87,6 +92,7 @@ files = [
 name = "cssbeautifier"
 version = "1.14.11"
 description = "CSS unobfuscator and beautifier."
+category = "dev"
 optional = false
 python-versions = "*"
 files = [
@@ -102,6 +108,7 @@ six = ">=1.13.0"
 name = "distlib"
 version = "0.3.7"
 description = "Distribution utilities"
+category = "dev"
 optional = false
 python-versions = "*"
 files = [
@@ -113,6 +120,7 @@ files = [
 name = "django"
 version = "4.2.7"
 description = "A high-level Python web framework that encourages rapid development and clean, pragmatic design."
+category = "main"
 optional = false
 python-versions = ">=3.8"
 files = [
@@ -129,10 +137,27 @@ tzdata = {version = "*", markers = "sys_platform == \"win32\""}
 argon2 = ["argon2-cffi (>=19.1.0)"]
 bcrypt = ["bcrypt"]
 
+[[package]]
+name = "django-debug-toolbar"
+version = "4.2.0"
+description = "A configurable set of panels that display various debug information about the current request/response."
+category = "dev"
+optional = false
+python-versions = ">=3.8"
+files = [
+    {file = "django_debug_toolbar-4.2.0-py3-none-any.whl", hash = "sha256:af99128c06e8e794479e65ab62cc6c7d1e74e1c19beb44dcbf9bad7a9c017327"},
+    {file = "django_debug_toolbar-4.2.0.tar.gz", hash = "sha256:bc7fdaafafcdedefcc67a4a5ad9dac96efd6e41db15bc74d402a54a2ba4854dc"},
+]
+
+[package.dependencies]
+django = ">=3.2.4"
+sqlparse = ">=0.2"
+
 [[package]]
 name = "django-extensions"
 version = "3.2.3"
 description = "Extensions for Django"
+category = "dev"
 optional = false
 python-versions = ">=3.6"
 files = [
@@ -147,6 +172,7 @@ Django = ">=3.2"
 name = "djhtml"
 version = "1.5.2"
 description = "Django/Jinja template indenter"
+category = "dev"
 optional = false
 python-versions = "*"
 files = [
@@ -160,6 +186,7 @@ dev = ["black", "flake8", "isort", "nox", "pre-commit"]
 name = "djlint"
 version = "1.34.0"
 description = "HTML Template Linter and Formatter"
+category = "dev"
 optional = false
 python-versions = ">=3.8.0,<4.0.0"
 files = [
@@ -184,6 +211,7 @@ tqdm = ">=4.62.2,<5.0.0"
 name = "editorconfig"
 version = "0.12.3"
 description = "EditorConfig File Locator and Interpreter for Python"
+category = "dev"
 optional = false
 python-versions = "*"
 files = [
@@ -195,6 +223,7 @@ files = [
 name = "filelock"
 version = "3.13.1"
 description = "A platform independent file lock."
+category = "dev"
 optional = false
 python-versions = ">=3.8"
 files = [
@@ -211,6 +240,7 @@ typing = ["typing-extensions (>=4.8)"]
 name = "gunicorn"
 version = "20.1.0"
 description = "WSGI HTTP Server for UNIX"
+category = "main"
 optional = false
 python-versions = ">=3.5"
 files = [
@@ -231,6 +261,7 @@ tornado = ["tornado (>=0.2)"]
 name = "h11"
 version = "0.14.0"
 description = "A pure-Python, bring-your-own-I/O implementation of HTTP/1.1"
+category = "main"
 optional = false
 python-versions = ">=3.7"
 files = [
@@ -242,6 +273,7 @@ files = [
 name = "html-tag-names"
 version = "0.1.2"
 description = "List of known HTML tag names"
+category = "dev"
 optional = false
 python-versions = ">=3.7,<4.0"
 files = [
@@ -253,6 +285,7 @@ files = [
 name = "html-void-elements"
 version = "0.1.0"
 description = "List of HTML void tag names."
+category = "dev"
 optional = false
 python-versions = ">=3.7,<4.0"
 files = [
@@ -264,6 +297,7 @@ files = [
 name = "identify"
 version = "2.5.31"
 description = "File identification library for Python"
+category = "dev"
 optional = false
 python-versions = ">=3.8"
 files = [
@@ -278,6 +312,7 @@ license = ["ukkonen"]
 name = "iniconfig"
 version = "2.0.0"
 description = "brain-dead simple config-ini parsing"
+category = "dev"
 optional = false
 python-versions = ">=3.7"
 files = [
@@ -289,6 +324,7 @@ files = [
 name = "isort"
 version = "5.12.0"
 description = "A Python utility / library to sort Python imports."
+category = "dev"
 optional = false
 python-versions = ">=3.8.0"
 files = [
@@ -306,6 +342,7 @@ requirements-deprecated-finder = ["pip-api", "pipreqs"]
 name = "jsbeautifier"
 version = "1.14.11"
 description = "JavaScript unobfuscator and beautifier."
+category = "dev"
 optional = false
 python-versions = "*"
 files = [
@@ -320,6 +357,7 @@ six = ">=1.13.0"
 name = "json5"
 version = "0.9.14"
 description = "A Python implementation of the JSON5 data format."
+category = "dev"
 optional = false
 python-versions = "*"
 files = [
@@ -334,6 +372,7 @@ dev = ["hypothesis"]
 name = "markupsafe"
 version = "2.1.3"
 description = "Safely add untrusted strings to HTML/XML markup."
+category = "dev"
 optional = false
 python-versions = ">=3.7"
 files = [
@@ -403,6 +442,7 @@ files = [
 name = "mypy"
 version = "0.991"
 description = "Optional static typing for Python"
+category = "dev"
 optional = false
 python-versions = ">=3.7"
 files = [
@@ -452,6 +492,7 @@ reports = ["lxml"]
 name = "mypy-extensions"
 version = "1.0.0"
 description = "Type system extensions for programs checked with the mypy type checker."
+category = "dev"
 optional = false
 python-versions = ">=3.5"
 files = [
@@ -463,6 +504,7 @@ files = [
 name = "nodeenv"
 version = "1.8.0"
 description = "Node.js virtual environment builder"
+category = "dev"
 optional = false
 python-versions = ">=2.7,!=3.0.*,!=3.1.*,!=3.2.*,!=3.3.*,!=3.4.*,!=3.5.*,!=3.6.*"
 files = [
@@ -477,6 +519,7 @@ setuptools = "*"
 name = "packaging"
 version = "23.2"
 description = "Core utilities for Python packages"
+category = "dev"
 optional = false
 python-versions = ">=3.7"
 files = [
@@ -488,6 +531,7 @@ files = [
 name = "pathspec"
 version = "0.11.2"
 description = "Utility library for gitignore style pattern matching of file paths."
+category = "dev"
 optional = false
 python-versions = ">=3.7"
 files = [
@@ -499,6 +543,7 @@ files = [
 name = "platformdirs"
 version = "3.11.0"
 description = "A small Python package for determining appropriate platform-specific dirs, e.g. a \"user data dir\"."
+category = "dev"
 optional = false
 python-versions = ">=3.7"
 files = [
@@ -514,6 +559,7 @@ test = ["appdirs (==1.4.4)", "covdefaults (>=2.3)", "pytest (>=7.4)", "pytest-co
 name = "pluggy"
 version = "1.3.0"
 description = "plugin and hook calling mechanisms for python"
+category = "dev"
 optional = false
 python-versions = ">=3.8"
 files = [
@@ -529,6 +575,7 @@ testing = ["pytest", "pytest-benchmark"]
 name = "pre-commit"
 version = "3.5.0"
 description = "A framework for managing and maintaining multi-language pre-commit hooks."
+category = "dev"
 optional = false
 python-versions = ">=3.8"
 files = [
@@ -547,6 +594,7 @@ virtualenv = ">=20.10.0"
 name = "pytest"
 version = "7.4.3"
 description = "pytest: simple powerful testing with Python"
+category = "dev"
 optional = false
 python-versions = ">=3.7"
 files = [
@@ -567,6 +615,7 @@ testing = ["argcomplete", "attrs (>=19.2.0)", "hypothesis (>=3.56)", "mock", "no
 name = "pyyaml"
 version = "6.0.1"
 description = "YAML parser and emitter for Python"
+category = "dev"
 optional = false
 python-versions = ">=3.6"
 files = [
@@ -626,6 +675,7 @@ files = [
 name = "regex"
 version = "2023.10.3"
 description = "Alternative regular expression module, to replace re."
+category = "dev"
 optional = false
 python-versions = ">=3.7"
 files = [
@@ -723,6 +773,7 @@ files = [
 name = "setuptools"
 version = "68.2.2"
 description = "Easily download, build, install, upgrade, and uninstall Python packages"
+category = "main"
 optional = false
 python-versions = ">=3.8"
 files = [
@@ -739,6 +790,7 @@ testing-integration = ["build[virtualenv] (>=1.0.3)", "filelock (>=3.4.0)", "jar
 name = "six"
 version = "1.16.0"
 description = "Python 2 and 3 compatibility utilities"
+category = "dev"
 optional = false
 python-versions = ">=2.7, !=3.0.*, !=3.1.*, !=3.2.*"
 files = [
@@ -750,6 +802,7 @@ files = [
 name = "sqlparse"
 version = "0.4.4"
 description = "A non-validating SQL parser."
+category = "main"
 optional = false
 python-versions = ">=3.5"
 files = [
@@ -766,6 +819,7 @@ test = ["pytest", "pytest-cov"]
 name = "tqdm"
 version = "4.66.1"
 description = "Fast, Extensible Progress Meter"
+category = "dev"
 optional = false
 python-versions = ">=3.7"
 files = [
@@ -786,6 +840,7 @@ telegram = ["requests"]
 name = "typing-extensions"
 version = "4.8.0"
 description = "Backported and Experimental Type Hints for Python 3.8+"
+category = "dev"
 optional = false
 python-versions = ">=3.8"
 files = [
@@ -797,6 +852,7 @@ files = [
 name = "tzdata"
 version = "2023.3"
 description = "Provider of IANA time zone data"
+category = "main"
 optional = false
 python-versions = ">=2"
 files = [
@@ -808,6 +864,7 @@ files = [
 name = "uvicorn"
 version = "0.20.0"
 description = "The lightning-fast ASGI server."
+category = "main"
 optional = false
 python-versions = ">=3.7"
 files = [
@@ -826,6 +883,7 @@ standard = ["colorama (>=0.4)", "httptools (>=0.5.0)", "python-dotenv (>=0.13)",
 name = "virtualenv"
 version = "20.24.6"
 description = "Virtual Python Environment builder"
+category = "dev"
 optional = false
 python-versions = ">=3.7"
 files = [
@@ -846,6 +904,7 @@ test = ["covdefaults (>=2.3)", "coverage (>=7.2.7)", "coverage-enable-subprocess
 name = "werkzeug"
 version = "2.3.8"
 description = "The comprehensive WSGI web application library."
+category = "dev"
 optional = false
 python-versions = ">=3.8"
 files = [
@@ -862,4 +921,4 @@ watchdog = ["watchdog (>=2.3)"]
 [metadata]
 lock-version = "2.0"
 python-versions = "^3.12"
-content-hash = "32e7c40e7148530effb10ebd5d67a4f1c8fe30794a4d3b5d213d4f30048c79ea"
+content-hash = "498b3358998a9f3bbfb74fae7d6a90de7b55b9bdc76845bce52f65785afd0c1e"

pyproject.toml

@@ -24,6 +24,7 @@ djhtml = "^1.5.2"
 djlint = "^1.19.11"
 isort = "^5.11.4"
 pre-commit = "^3.5.0"
+django-debug-toolbar = "^4.2.0"
 
 [tool.isort]
 profile = "black"

timetracker/settings.py

@@ -43,6 +43,7 @@ INSTALLED_APPS = [
 if DEBUG:
     INSTALLED_APPS.append("django_extensions")
     INSTALLED_APPS.append("django.contrib.admin")
+    INSTALLED_APPS.append("debug_toolbar")
 
 MIDDLEWARE = [
     "django.middleware.security.SecurityMiddleware",
@@ -54,6 +55,11 @@ MIDDLEWARE = [
     "django.middleware.clickjacking.XFrameOptionsMiddleware",
 ]
 
+if DEBUG:
+    MIDDLEWARE.append("debug_toolbar.middleware.DebugToolbarMiddleware")
+    INTERNAL_IPS = ["127.0.0.1"]
+    DEBUG_TOOLBAR_CONFIG = {"ROOT_TAG_EXTRA_ATTRS": "hx-preserve"}
+
 ROOT_URLCONF = "timetracker.urls"
 
 TEMPLATES = [

timetracker/urls.py

@@ -25,3 +25,4 @@ urlpatterns = [
 
 if settings.DEBUG:
     urlpatterns.append(path("admin/", admin.site.urls))
+    urlpatterns.append(path("__debug__/", include("debug_toolbar.urls")))