Remove category tree

nummi/main/migrations/0007_alter_category_options_alter_transaction_options_and_more.py

@@ -0,0 +1,56 @@
+# Generated by Django 4.0.4 on 2022-05-20 19:25
+
+import django.core.validators
+from django.db import migrations, models
+import re
+
+
+class Migration(migrations.Migration):
+
+    dependencies = [
+        ("main", "0006_alter_category_options_transaction_trader_and_more"),
+    ]
+
+    operations = [
+        migrations.AlterModelOptions(
+            name="category",
+            options={},
+        ),
+        migrations.AlterModelOptions(
+            name="transaction",
+            options={"ordering": ["-date"]},
+        ),
+        migrations.RemoveField(
+            model_name="category",
+            name="full_name",
+        ),
+        migrations.RemoveField(
+            model_name="category",
+            name="parent",
+        ),
+        migrations.AlterField(
+            model_name="category",
+            name="name",
+            field=models.CharField(
+                default="New Category",
+                max_length=64,
+                validators=[
+                    django.core.validators.RegexValidator(
+                        re.compile("^[-\\w]+\\Z"),
+                        "Enter a valid “slug” consisting of Unicode letters, numbers, underscores, or hyphens.",
+                        "invalid",
+                    )
+                ],
+            ),
+        ),
+        migrations.AlterField(
+            model_name="invoice",
+            name="name",
+            field=models.CharField(default="New Invoice", max_length=256),
+        ),
+        migrations.AlterField(
+            model_name="transaction",
+            name="name",
+            field=models.CharField(default="New Transaction", max_length=256),
+        ),
+    ]

nummi/main/models.py

@@ -7,35 +7,21 @@ from django.core.validators import validate_unicode_slug, FileExtensionValidator
 
 class Category(models.Model):
     id = models.UUIDField(primary_key=True, default=uuid.uuid4, editable=False)
-    name = models.CharField(max_length=64, validators=[validate_unicode_slug], default="New Category")
-    full_name = models.CharField(max_length=512, editable=False, default="")
-    parent = models.ForeignKey("self", on_delete=models.SET_NULL, blank=True, null=True)
+    name = models.CharField(
+        max_length=64, validators=[validate_unicode_slug], default="New Category"
+    )
 
     def __str__(self):
-        if self.parent is None or self.parent == self:
-            return self.name
-        return f"{self.parent}>{self.name}"
-
-    def save(self, *args, **kwargs):
-        self.full_name = str(self)
-        super().save(*args, **kwargs)
-        for child in self.__class__.objects.filter(parent=self):
-            child.save()
-
-    @property
-    def tree(self):
-        if self.parent is None or self.parent == self:
-            return [self.name]
-        return self.parent.tree + [self.name]
+        return self.name
 
     class Meta:
-        ordering = ["full_name"]
+        ordering = ["name"]
 
 
 class CategoryForm(ModelForm):
     class Meta:
         model = Category
-        fields = ["name", "parent"]
+        fields = ["name"]
 
 
 class Transaction(models.Model):

nummi/main/static/css/index.css

@@ -47,9 +47,6 @@ h1 {
 	text-overflow: ellipsis;
 }
 
-ul#categories {
-	list-style-type: "– ";
+#categories > a {
+	margin-right: 1em;
 }
-ul#categories li.cat2 {margin-left: 1em}
-ul#categories li.cat3 {margin-left: 2em}
-ul#categories li.cat4 {margin-left: 3em}

nummi/main/static/css/main.css

@@ -18,8 +18,18 @@ body {
 	--text-inv: #ffffffde;
 
 	--bg-01: #dedede;
+
+	--text-link: #0066ff;
 }
 
 h1 {
 	margin: 0;
 }
+
+a {
+	color: var(--text-link);
+	text-decoration: none;
+}
+a:hover {
+	text-decoration: underline;
+}

nummi/main/templates/main/index.html

@@ -25,7 +25,15 @@
 				<span class="name text"><a href="{% url 'transaction' trans.id %}">{{ trans.name }}</a></span>
 				<span class="value num">{{ trans.value|floatformat:"2g" }} €</span>
 				<span class="trader text center">{{ trans.trader|default_if_none:"–" }}</span>
-				<span class="category text center">{% if trans.category %}{{ trans.category.tree|join:" → " }}{% else %}–{% endif %}</span>
+				<span class="category text center">
+					{% if trans.category %}
+					<a href="{% url 'category' trans.category.id %}">
+						{{ trans.category }}
+					</a>
+					{% else %}
+					–
+					{% endif %}
+				</span>
 				<span class="description text">{{ trans.description }}</span>
 			</div>
 		{% endfor %}
@@ -33,15 +41,14 @@
 {% endif %}
 
 {% if categories %}
-	<ul id="categories">
+	<h2>Catégories</h2>
+	<div id="categories">
+		{% spaceless %}
 		{% for cat in categories %}
-		<li class="{% if cat.tree|length > 3 %}cat4{% else %}cat{{ cat.tree|length }}{% endif %}">
-			<a href="{% url 'category' cat.id %}">
-				{% if cat.tree|length > 3 %}{{ cat.tree|slice:"3:"|join:" → " }}{% else %}{{ cat.name }}{% endif %}
-			</a>
-		</li>
+		<a href="{% url 'category' cat.id %}">{{ cat }}</a>
 		{% endfor %}
-	</ul>
+		{% endspaceless %}
+	</div>
 {% endif %}
 
 {% endblock %}