Add a basic random view

.idea/watcherTasks.xml

@@ -0,0 +1,8 @@
+<?xml version="1.0" encoding="UTF-8"?>
+<project version="4">
+  <component name="ProjectTasksOptions">
+    <enabled-global>
+      <option value="pre-commit" />
+    </enabled-global>
+  </component>
+</project>

.idea/workout-suggest.iml

@@ -28,6 +28,11 @@
   </component>
   <component name="TemplatesService">
     <option name="TEMPLATE_CONFIGURATION" value="Django" />
+    <option name="TEMPLATE_FOLDERS">
+      <list>
+        <option value="$MODULE_DIR$/src/exercises/templates" />
+      </list>
+    </option>
   </component>
   <component name="TestRunnerService">
     <option name="PROJECT_TEST_RUNNER" value="pytest" />

src/exercises/admin.py

@@ -1,3 +1,14 @@
 from django.contrib import admin
+from django.contrib.admin import register
 
-# Register your models here.
+from exercises.models import BodyRegion, Exercise
+
+
+@register(BodyRegion)
+class BodyRegionAdmin(admin.ModelAdmin):
+    list_display = ["name"]
+
+
+@register(Exercise)
+class ExerciseAdmin(admin.ModelAdmin):
+    list_display = ["name", "get_body_regions", "rating"]

src/exercises/migrations/0001_initial.py

@@ -0,0 +1,31 @@
+# Generated by Django 3.1.3 on 2020-11-21 10:49
+
+import django.core.validators
+from django.db import migrations, models
+
+
+class Migration(migrations.Migration):
+
+    initial = True
+
+    dependencies = [
+    ]
+
+    operations = [
+        migrations.CreateModel(
+            name='BodyRegion',
+            fields=[
+                ('id', models.AutoField(auto_created=True, primary_key=True, serialize=False, verbose_name='ID')),
+                ('name', models.CharField(max_length=250)),
+            ],
+        ),
+        migrations.CreateModel(
+            name='Exercise',
+            fields=[
+                ('id', models.AutoField(auto_created=True, primary_key=True, serialize=False, verbose_name='ID')),
+                ('name', models.CharField(max_length=250)),
+                ('rating', models.PositiveSmallIntegerField(help_text='From 1 (strengthening) to 5 (cardio)', validators=[django.core.validators.MaxValueValidator(5), django.core.validators.MinValueValidator(0)])),
+                ('body_regions', models.ManyToManyField(related_name='exercises', to='exercises.BodyRegion')),
+            ],
+        ),
+    ]

src/exercises/migrations/0002_auto_20201121_1051.py

@@ -0,0 +1,19 @@
+# Generated by Django 3.1.3 on 2020-11-21 10:51
+
+import django.core.validators
+from django.db import migrations, models
+
+
+class Migration(migrations.Migration):
+
+    dependencies = [
+        ('exercises', '0001_initial'),
+    ]
+
+    operations = [
+        migrations.AlterField(
+            model_name='exercise',
+            name='rating',
+            field=models.PositiveSmallIntegerField(help_text='From 1 (strengthening) to 5 (cardio)', validators=[django.core.validators.MaxValueValidator(5), django.core.validators.MinValueValidator(1)]),
+        ),
+    ]

src/exercises/models.py

@@ -1,3 +1,46 @@
+from django.core.validators import MaxValueValidator, MinValueValidator
 from django.db import models
 
-# Create your models here.
+
+class BodyRegion(models.Model):
+    name = models.CharField(max_length=250)
+
+    def __str__(self):
+        return self.name
+
+
+class ExerciseManager(models.Manager):
+    def get_mostly_cardio(self):
+        return self.all().filter(rating__gt=3)
+
+    def get_mostly_strengthening(self):
+        return self.all().filter(rating__lt=3)
+
+    def get_balanced(self):
+        return self.all().filter(rating=3)
+
+
+class Exercise(models.Model):
+    name = models.CharField(max_length=250)
+    rating = models.PositiveSmallIntegerField(
+        validators=[MaxValueValidator(5), MinValueValidator(1)],
+        help_text="From 1 (strengthening) to 5 (cardio)",
+    )
+    body_regions = models.ManyToManyField(BodyRegion, "exercises")
+
+    objects = ExerciseManager()
+
+    def __str__(self):
+        return self.name
+
+    def is_mostly_cardio(self):
+        return self.rating > 3
+
+    def is_mostly_strengthening(self):
+        return self.rating < 3
+
+    def is_balanced(self):
+        return self.rating == 3
+
+    def get_body_regions(self):
+        return ", ".join(map(str, self.body_regions.all()))

src/exercises/templates/exercises/base.html

@@ -0,0 +1,11 @@
+<!DOCTYPE html>
+<html lang="en">
+<head>
+    <meta charset="UTF-8">
+    <title>{% block title %}{% endblock %}</title>
+</head>
+<body>
+{% block content %}
+{% endblock %}
+</body>
+</html>

src/exercises/templates/exercises/exercise_list.html

@@ -0,0 +1,12 @@
+{% extends "exercises/base.html" %}
+{% block title %}
+    Random exercises
+{% endblock %}
+{% block content %}
+    <h1>Random exercises</h1>
+    <ul>
+        {% for exercise in exercises %}
+            <li>{{ exercise.name }}: {{ exercise.get_body_regions }} ({{ exercise.rating }}/5)</li>
+        {% endfor %}
+    </ul>
+{% endblock %}

src/exercises/urls.py

@@ -0,0 +1,23 @@
+"""workout_suggest URL Configuration
+
+The `urlpatterns` list routes URLs to views. For more information please see:
+    https://docs.djangoproject.com/en/3.1/topics/http/urls/
+Examples:
+Function views
+    1. Add an import:  from my_app import views
+    2. Add a URL to urlpatterns:  path('', views.home, name='home')
+Class-based views
+    1. Add an import:  from other_app.views import Home
+    2. Add a URL to urlpatterns:  path('', Home.as_view(), name='home')
+Including another URLconf
+    1. Import the include() function: from django.urls import include, path
+    2. Add a URL to urlpatterns:  path('blog/', include('blog.urls'))
+"""
+from django.urls import path
+
+from exercises.views import RandomExercisesView
+
+app_name = "exercises"
+urlpatterns = [
+    path("random", RandomExercisesView.as_view(), name="random"),
+]

src/exercises/views.py

@@ -1,3 +1,11 @@
-from django.shortcuts import render
+from django.views import generic
 
-# Create your views here.
+from exercises.models import Exercise
+
+
+class RandomExercisesView(generic.ListView):
+    model = Exercise
+    context_object_name = "exercises"
+
+    def get_queryset(self):
+        return Exercise.objects.order_by("?")[:5]

src/workout_suggest/urls.py

@@ -14,8 +14,9 @@ Including another URLconf
     2. Add a URL to urlpatterns:  path('blog/', include('blog.urls'))
 """
 from django.contrib import admin
-from django.urls import path
+from django.urls import include, path, re_path
 
 urlpatterns = [
+    path("exercises/", include("exercises.urls", namespace="exercises")),
     path("admin/", admin.site.urls),
 ]