Merge pull request #444 from pythoncanarias:issue#433

Issue#433

Author: sdelquin

apps/commons/templates/header.html

@@ -44,6 +44,11 @@
           Empleo
       </a>
 
+      <a class="navbar-item {% is_active 'learn:index' %}" href="{% url 'learn:index' %}">
+          <i class="fas fa-graduation-cap"></i>
+          Aprende
+      </a>
+
       {% if request.user.is_authenticated %}
         <a class="navbar-item {% is_active 'members:homepage' %}" href="{% url 'members:profile' %}">
           <i class="fas fa-user-cog"></i>

apps/learn/__init__.py

@@ -0,0 +1,19 @@
+from django.contrib import admin
+
+from . import models
+
+
+class LabelAdmin(admin.ModelAdmin):
+    prepopulated_fields = {'slug': ('name',)}
+
+
+admin.site.register(models.Label, LabelAdmin)
+
+
+class ResourceAdmin(admin.ModelAdmin):
+    prepopulated_fields = {'slug': ('name',)}
+    list_display = ('name', 'url')
+    filter_horizontal = ('labels',)
+
+
+admin.site.register(models.Resource, ResourceAdmin)

apps/learn/admin.py

@@ -0,0 +1,6 @@
+from django.apps import AppConfig
+
+
+class LearnConfig(AppConfig):
+    default_auto_field = 'django.db.models.BigAutoField'
+    name = 'apps.learn'

apps/learn/apps.py

@@ -0,0 +1,27 @@
+import random
+import string
+from typing import Tuple
+
+BLACK = '000000'
+WHITE = 'FFFFFF'
+
+
+def get_rgb_from_hex(value: str) -> Tuple[int, int, int, int]:
+    red = int(value[:2], base=16)
+    green = int(value[2:4], base=16)
+    blue = int(value[4:6], base=16)
+    alpha = int(value[6:8], base=16) if len(value) > 6 else 255
+    return red, green, blue, alpha
+
+
+def get_luminance(red, green, blue, alpha) -> int:
+    luminance = 0.2126 * red + 0.7152 * green + 0.0722 * blue
+    luminance *= alpha / 255
+    return round(luminance)
+
+
+def get_random_hex_color(include_alpha=False):
+    size = 8 if include_alpha else 6
+    return ''.join(
+        random.choice(string.hexdigits.upper()) for _ in range(size)
+    )

apps/learn/colors.py

@@ -0,0 +1,16 @@
+from django.core.exceptions import ObjectDoesNotExist
+
+from .models import Label
+
+
+class LabelConverter:
+    regex = '[-a-zA-Z0-9_]+'
+
+    def to_python(self, value: str) -> Label:
+        try:
+            return Label.objects.get(slug=value)
+        except ObjectDoesNotExist as err:
+            raise ValueError('This label does not exist!') from err
+
+    def to_url(self, value: Label) -> str:
+        return value.slug

apps/learn/converters.py

@@ -0,0 +1,32 @@
+# Generated by Django 3.2.13 on 2022-06-02 18:01
+
+from django.db import migrations, models
+
+
+class Migration(migrations.Migration):
+
+    initial = True
+
+    dependencies = [
+    ]
+
+    operations = [
+        migrations.CreateModel(
+            name='Label',
+            fields=[
+                ('id', models.BigAutoField(auto_created=True, primary_key=True, serialize=False, verbose_name='ID')),
+                ('name', models.CharField(max_length=120)),
+                ('slug', models.SlugField(max_length=120, unique=True)),
+            ],
+        ),
+        migrations.CreateModel(
+            name='Resource',
+            fields=[
+                ('id', models.BigAutoField(auto_created=True, primary_key=True, serialize=False, verbose_name='ID')),
+                ('name', models.CharField(max_length=120)),
+                ('slug', models.SlugField(max_length=120, unique=True)),
+                ('url', models.URLField(max_length=240)),
+                ('labels', models.ManyToManyField(related_name='resources', to='learn.Label')),
+            ],
+        ),
+    ]

apps/learn/migrations/0001_initial.py

@@ -0,0 +1,21 @@
+# Generated by Django 3.2.13 on 2022-06-02 18:51
+
+from django.db import migrations
+
+
+class Migration(migrations.Migration):
+
+    dependencies = [
+        ('learn', '0001_initial'),
+    ]
+
+    operations = [
+        migrations.AlterModelOptions(
+            name='label',
+            options={'ordering': ['name']},
+        ),
+        migrations.AlterModelOptions(
+            name='resource',
+            options={'ordering': ['name']},
+        ),
+    ]

apps/learn/migrations/0002_auto_20220602_1951.py

@@ -0,0 +1,18 @@
+# Generated by Django 3.2.13 on 2022-06-22 18:39
+
+from django.db import migrations, models
+
+
+class Migration(migrations.Migration):
+
+    dependencies = [
+        ('learn', '0002_auto_20220602_1951'),
+    ]
+
+    operations = [
+        migrations.AddField(
+            model_name='label',
+            name='color',
+            field=models.CharField(default='FF0000', max_length=8),
+        ),
+    ]

apps/learn/migrations/0003_label_color.py

@@ -0,0 +1,18 @@
+# Generated by Django 3.2.13 on 2022-06-23 08:00
+
+from django.db import migrations, models
+
+
+class Migration(migrations.Migration):
+
+    dependencies = [
+        ('learn', '0003_label_color'),
+    ]
+
+    operations = [
+        migrations.AlterField(
+            model_name='label',
+            name='color',
+            field=models.CharField(default='EEBDDE', max_length=8),
+        ),
+    ]