From 5c50e059e662146bbbe2b82ac914186414297ccd Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?Luk=C3=A1=C5=A1=20Kucharczyk?= <lukas@kucharczyk.xyz>
Date: Wed, 4 Jan 2023 17:19:40 +0100
Subject: [PATCH] Hide navigation bar items

If there are no games/purchases/sessions,
hide the related navbar items
---
 CHANGELOG.md                        | 2 ++
 src/web/tracker/templates/base.html | 6 ++++++
 src/web/tracker/views.py            | 9 +++++++--
 src/web/web/settings.py             | 1 +
 4 files changed, 16 insertions(+), 2 deletions(-)
 create mode 100644 CHANGELOG.md

diff --git a/CHANGELOG.md b/CHANGELOG.md
new file mode 100644
index 0000000..81d6b66
--- /dev/null
+++ b/CHANGELOG.md
@@ -0,0 +1,2 @@
+## Unreleased
+* Hide navigation bar items if there are no games/purchases/sessions
diff --git a/src/web/tracker/templates/base.html b/src/web/tracker/templates/base.html
index 54a855e..31109ca 100644
--- a/src/web/tracker/templates/base.html
+++ b/src/web/tracker/templates/base.html
@@ -23,9 +23,15 @@
                     <ul
                         class="flex flex-col md:flex-row p-4 mt-4 dark:text-white">
                         <li><a class="block py-2 pl-3 pr-4 hover:underline" href="{% url 'add_game' %}">New Game</a></li>
+                        {% if game_available and platform_available %}
                         <li><a class="block py-2 pl-3 pr-4 hover:underline" href="{% url 'add_purchase' %}">New Purchase</a></li>
+                        {% endif %}
+                        {% if purchase_available %}
                         <li><a class="block py-2 pl-3 pr-4 hover:underline" href="{% url 'add_session' %}">New Session</a></li>
+                        {% endif %}
+                        {% if session_count > 0 %}
                         <li><a class="block py-2 pl-3 pr-4 hover:underline" href="{% url 'list_sessions' %}">All Sessions</a></li>
+                        {% endif %}
                     </ul>
                 </div>
             </div>
diff --git a/src/web/tracker/views.py b/src/web/tracker/views.py
index 3a27817..66130cb 100644
--- a/src/web/tracker/views.py
+++ b/src/web/tracker/views.py
@@ -3,8 +3,13 @@ from django.shortcuts import render
 from .models import Game, Platform, Purchase, Session
 from .forms import SessionForm, PurchaseForm, GameForm
 from datetime import datetime
-from django.db.models import ExpressionWrapper, F, DurationField
-import logging
+def model_counts(request):
+    return {
+        "game_available": Game.objects.count() != 0,
+        "platform_available": Platform.objects.count() != 0,
+        "purchase_available": Purchase.objects.count() != 0,
+        "session_count": Session.objects.count(),
+    }
 
 
 def add_session(request):
diff --git a/src/web/web/settings.py b/src/web/web/settings.py
index de91566..e5f7e47 100644
--- a/src/web/web/settings.py
+++ b/src/web/web/settings.py
@@ -65,6 +65,7 @@ TEMPLATES = [
                 "django.template.context_processors.request",
                 "django.contrib.auth.context_processors.auth",
                 "django.contrib.messages.context_processors.messages",
+                "tracker.views.model_counts",
             ],
         },
     },