display tags

studyguides/apps/courses/migrations/0006_auto_20201027_1227.py

@@ -0,0 +1,23 @@
+# Generated by Django 3.0.6 on 2020-10-27 12:27
+
+from django.db import migrations, models
+
+
+class Migration(migrations.Migration):
+
+    dependencies = [
+        ('courses', '0005_auto_20201020_1737'),
+    ]
+
+    operations = [
+        migrations.AlterField(
+            model_name='guide',
+            name='tags',
+            field=models.ManyToManyField(to='courses.Tag'),
+        ),
+        migrations.AlterField(
+            model_name='subject',
+            name='courses',
+            field=models.ManyToManyField(related_name='subject', to='courses.Course'),
+        ),
+    ]

studyguides/apps/courses/migrations/0007_auto_20201027_1250.py

@@ -0,0 +1,18 @@
+# Generated by Django 3.0.6 on 2020-10-27 12:50
+
+from django.db import migrations, models
+
+
+class Migration(migrations.Migration):
+
+    dependencies = [
+        ('courses', '0006_auto_20201027_1227'),
+    ]
+
+    operations = [
+        migrations.AlterField(
+            model_name='guide',
+            name='tags',
+            field=models.ManyToManyField(related_name='guide', to='courses.Tag'),
+        ),
+    ]

studyguides/apps/courses/models.py

@@ -8,7 +8,7 @@ class Subject(models.Model):
     url = models.CharField("URL", max_length=20, unique=True, validators=[RegexValidator(
         regex="^[a-zA-Z0-9_\-]+$", message="Only alphanumeric, dashes, and underscores allowed")])
 
-    courses = models.ManyToManyField("Course", related_name="subject", null=True, blank=True)
+    courses = models.ManyToManyField("Course", related_name="subject")
 
     def __str__(self):
         return self.name
@@ -28,7 +28,7 @@ class Guide(models.Model):
     id = models.AutoField(primary_key=True)
     name = models.CharField(max_length=100)
 
-    tags = models.ManyToManyField("Tag", null=True)
+    tags = models.ManyToManyField("Tag", related_name="guide")
     course = models.ForeignKey(Course, on_delete=models.CASCADE, null=True)
     url = models.URLField(max_length=300)
 

studyguides/apps/courses/urls.py

@@ -6,5 +6,6 @@ app_name = "courses"
 
 urlpatterns = [
     path("<str:subject_url>/", views.subject_view),
+    path("tag/<str:tag>/", views.tag_view, name="tag"),
     path("<str:subject_url>/<str:course_url>/", views.course_view),
 ]

studyguides/apps/courses/views.py

@@ -3,7 +3,7 @@ import random
 from django import http
 from django.shortcuts import render, redirect, reverse, get_object_or_404
 
-from .models import Subject, Course, Guide
+from .models import Subject, Course, Guide, Tag
 
 
 def subject_view(request, subject_url):
@@ -17,4 +17,8 @@ def course_view(request, subject_url, course_url):
     course = get_object_or_404(Course, url=course_url)
     return render(request, "course.html", {"subject": subject,
                                            "course": course,
-                                           "guides": Guide.objects.filter(course=course)})
+                                           "guides": [[g, g.tags.all()] for g in Guide.objects.filter(course=course)]})
+
+def tag_view(request, tag):
+    tag = get_object_or_404(Tag, name=tag)
+    return render(request, "tag.html", {"tag": tag, "guides": [[g, g.tags.all()] for g in tag.guide.all()]})

studyguides/templates/course.html

@@ -1,8 +1,8 @@
 {% extends "base.html" %} {% load static %} {% block main %}
 <main>
   <h1><a href="/">All</a> / <a href="/{{subject.url}}">{{subject.name}}</a> / <a href="/{{subject.url}}/{{course.url}}">{{course.name}}</a></h1>
-  {% for guide in guides %}
-  <p class="item"><a href="{{guide.url}}" target="_blank"/>{% if guide.teacher %}<span class="teacher">[{{guide.teacher}}] </span>{% endif %}{{ guide.name }}</a></p>
+  {% for guide, tags in guides %}
+  <p class="item"><b><a href="{{guide.url}}">{{ guide.name }}</a></b>&nbsp;&nbsp;&nbsp;&nbsp;{% for t in tags %}<a href='{% url "courses:tag" t.name %}'>{{ t }}  </a>{% endfor %}</p>
   {% endfor %}
 </main>
 {% endblock %}

studyguides/templates/tag.html

@@ -0,0 +1,14 @@
+{% extends "base.html" %}
+
+{% load static %}
+
+{% block main %}
+<main>
+    <h1><a href="/">All</a> / {{ tag }}</h1>
+    {% for guide, tags in guides %}
+      <p class="item">
+          <b><a href="{{ guide.url }}">{{ guide.name }}</a></b>&nbsp;&nbsp;&nbsp;&nbsp;{% for t in tags %}<a href='{% url "courses:tag" t.name %}'>{{ t }}  </a>{% endfor %}
+      </p>
+    {% endfor %}
+</main>
+{% endblock %}