Add course landing pages with registration forms

courses/admin/course.py

@@ -9,7 +9,7 @@
 
 from django.contrib import messages
 
-from courses.models import Course, ReviewCriteria
+from courses.models import Course, ReviewCriteria, CourseRegistration
 from courses.scoring import update_leaderboard
 
 
@@ -100,4 +100,29 @@ def duplicate_course(modeladmin, request, queryset):
 class CourseAdmin(ModelAdmin):
     actions = [update_leaderboard_admin, duplicate_course]
     inlines = [CriteriaInline]
-    list_display = ["title"]
+    list_display = ["title", "state"]
+    list_filter = ["state", "finished"]
+    fieldsets = (
+        ("Basic Information", {
+            "fields": ("slug", "title", "description", "social_media_hashtag")
+        }),
+        ("Course State", {
+            "fields": ("state", "finished", "first_homework_scored")
+        }),
+        ("Landing Page Content", {
+            "fields": ("about_content", "video_url", "hero_image_url", "meta_description", "mailchimp_tag"),
+            "classes": ("collapse",)
+        }),
+        ("Settings", {
+            "fields": ("faq_document_url", "min_projects_to_pass", "project_passing_score", "homework_problems_comments_field")
+        }),
+    )
+
+
+@admin.register(CourseRegistration)
+class CourseRegistrationAdmin(ModelAdmin):
+    list_display = ["name", "email", "course", "country", "role", "registered_at", "mailchimp_subscribed"]
+    list_filter = ["course", "role", "country", "mailchimp_subscribed", "registered_at"]
+    search_fields = ["name", "email", "comment"]
+    readonly_fields = ["registered_at", "mailchimp_subscribed"]
+    date_hierarchy = "registered_at"

courses/constants.py

@@ -0,0 +1,235 @@
+# Country and region data
+COUNTRIES = [
+    ("Algeria", "Africa"),
+    ("Angola", "Africa"),
+    ("Benin", "Africa"),
+    ("Botswana", "Africa"),
+    ("Burkina Faso", "Africa"),
+    ("Burundi", "Africa"),
+    ("Cabo Verde", "Africa"),
+    ("Cameroon", "Africa"),
+    ("Central African Republic", "Africa"),
+    ("Chad", "Africa"),
+    ("Comoros", "Africa"),
+    ("Congo", "Africa"),
+    ("Democratic Republic of the Congo", "Africa"),
+    ("Cote d'Ivoire", "Africa"),
+    ("Djibouti", "Africa"),
+    ("Egypt", "Africa"),
+    ("Equatorial Guinea", "Africa"),
+    ("Eritrea", "Africa"),
+    ("Eswatini", "Africa"),
+    ("Ethiopia", "Africa"),
+    ("Gabon", "Africa"),
+    ("Gambia", "Africa"),
+    ("Ghana", "Africa"),
+    ("Guinea", "Africa"),
+    ("Guinea-Bissau", "Africa"),
+    ("Kenya", "Africa"),
+    ("Lesotho", "Africa"),
+    ("Liberia", "Africa"),
+    ("Libya", "Africa"),
+    ("Madagascar", "Africa"),
+    ("Malawi", "Africa"),
+    ("Mali", "Africa"),
+    ("Mauritania", "Africa"),
+    ("Mauritius", "Africa"),
+    ("Morocco", "Africa"),
+    ("Mozambique", "Africa"),
+    ("Namibia", "Africa"),
+    ("Niger", "Africa"),
+    ("Nigeria", "Africa"),
+    ("Rwanda", "Africa"),
+    ("Sao Tome and Principe", "Africa"),
+    ("Senegal", "Africa"),
+    ("Seychelles", "Africa"),
+    ("Sierra Leone", "Africa"),
+    ("Somalia", "Africa"),
+    ("South Africa", "Africa"),
+    ("South Sudan", "Africa"),
+    ("Sudan", "Africa"),
+    ("Tanzania", "Africa"),
+    ("Togo", "Africa"),
+    ("Tunisia", "Africa"),
+    ("Uganda", "Africa"),
+    ("Zambia", "Africa"),
+    ("Zimbabwe", "Africa"),
+    ("Canada", "North America"),
+    ("United States", "North America"),
+    ("United States of America", "North America"),
+    ("Mexico", "North America"),
+    ("Bermuda", "North America"),
+    ("Greenland", "North America"),
+    ("Saint Pierre and Miquelon", "North America"),
+    ("Belize", "North America"),
+    ("Costa Rica", "North America"),
+    ("El Salvador", "North America"),
+    ("Guatemala", "North America"),
+    ("Honduras", "North America"),
+    ("Nicaragua", "North America"),
+    ("Panama", "North America"),
+    ("Cuba", "North America"),
+    ("Dominican Republic", "North America"),
+    ("Haiti", "North America"),
+    ("Jamaica", "North America"),
+    ("Trinidad and Tobago", "North America"),
+    ("Barbados", "North America"),
+    ("Bahamas", "North America"),
+    ("Grenada", "North America"),
+    ("Saint Lucia", "North America"),
+    ("Saint Vincent and the Grenadines", "North America"),
+    ("Dominica", "North America"),
+    ("Antigua and Barbuda", "North America"),
+    ("Saint Kitts and Nevis", "North America"),
+    ("Puerto Rico", "North America"),
+    ("Curacao", "North America"),
+    ("Aruba", "North America"),
+    ("Cayman Islands", "North America"),
+    ("Argentina", "South America"),
+    ("Bolivia", "South America"),
+    ("Brazil", "South America"),
+    ("Chile", "South America"),
+    ("Colombia", "South America"),
+    ("Ecuador", "South America"),
+    ("Guyana", "South America"),
+    ("Paraguay", "South America"),
+    ("Peru", "South America"),
+    ("Suriname", "South America"),
+    ("Uruguay", "South America"),
+    ("Venezuela", "South America"),
+    ("French Guiana", "South America"),
+    ("Falkland Islands", "South America"),
+    ("Afghanistan", "Asia"),
+    ("Armenia", "Asia"),
+    ("Azerbaijan", "Asia"),
+    ("Bahrain", "Asia"),
+    ("Bangladesh", "Asia"),
+    ("Bhutan", "Asia"),
+    ("Brunei", "Asia"),
+    ("Cambodia", "Asia"),
+    ("China", "Asia"),
+    ("Georgia", "Asia"),
+    ("India", "Asia"),
+    ("Indonesia", "Asia"),
+    ("Iran", "Asia"),
+    ("Iraq", "Asia"),
+    ("Israel", "Asia"),
+    ("Japan", "Asia"),
+    ("Jordan", "Asia"),
+    ("Kazakhstan", "Asia"),
+    ("Kuwait", "Asia"),
+    ("Kyrgyzstan", "Asia"),
+    ("Laos", "Asia"),
+    ("Lebanon", "Asia"),
+    ("Malaysia", "Asia"),
+    ("Maldives", "Asia"),
+    ("Mongolia", "Asia"),
+    ("Myanmar", "Asia"),
+    ("Nepal", "Asia"),
+    ("North Korea", "Asia"),
+    ("Oman", "Asia"),
+    ("Pakistan", "Asia"),
+    ("Palestine", "Asia"),
+    ("Philippines", "Asia"),
+    ("Qatar", "Asia"),
+    ("Saudi Arabia", "Asia"),
+    ("Singapore", "Asia"),
+    ("South Korea", "Asia"),
+    ("Sri Lanka", "Asia"),
+    ("Syria", "Asia"),
+    ("Tajikistan", "Asia"),
+    ("Thailand", "Asia"),
+    ("Timor-Leste", "Asia"),
+    ("Turkey", "Asia"),
+    ("Turkmenistan", "Asia"),
+    ("United Arab Emirates", "Asia"),
+    ("Uzbekistan", "Asia"),
+    ("Vietnam", "Asia"),
+    ("Yemen", "Asia"),
+    ("Albania", "Europe"),
+    ("Andorra", "Europe"),
+    ("Austria", "Europe"),
+    ("Belarus", "Europe"),
+    ("Belgium", "Europe"),
+    ("Bosnia and Herzegovina", "Europe"),
+    ("Bulgaria", "Europe"),
+    ("Croatia", "Europe"),
+    ("Cyprus", "Europe"),
+    ("Czechia", "Europe"),
+    ("Denmark", "Europe"),
+    ("Estonia", "Europe"),
+    ("Finland", "Europe"),
+    ("France", "Europe"),
+    ("Germany", "Europe"),
+    ("Greece", "Europe"),
+    ("Hungary", "Europe"),
+    ("Iceland", "Europe"),
+    ("Ireland", "Europe"),
+    ("Italy", "Europe"),
+    ("Kosovo", "Europe"),
+    ("Latvia", "Europe"),
+    ("Liechtenstein", "Europe"),
+    ("Lithuania", "Europe"),
+    ("Luxembourg", "Europe"),
+    ("Malta", "Europe"),
+    ("Moldova", "Europe"),
+    ("Monaco", "Europe"),
+    ("Montenegro", "Europe"),
+    ("Netherlands", "Europe"),
+    ("North Macedonia", "Europe"),
+    ("Norway", "Europe"),
+    ("Poland", "Europe"),
+    ("Portugal", "Europe"),
+    ("Romania", "Europe"),
+    ("Russia", "Europe"),
+    ("San Marino", "Europe"),
+    ("Serbia", "Europe"),
+    ("Slovakia", "Europe"),
+    ("Slovenia", "Europe"),
+    ("Spain", "Europe"),
+    ("Sweden", "Europe"),
+    ("Switzerland", "Europe"),
+    ("Ukraine", "Europe"),
+    ("United Kingdom", "Europe"),
+    ("Vatican City", "Europe"),
+    ("Australia", "Oceania"),
+    ("New Zealand", "Oceania"),
+    ("Fiji", "Oceania"),
+    ("Papua New Guinea", "Oceania"),
+    ("Solomon Islands", "Oceania"),
+    ("Vanuatu", "Oceania"),
+    ("Samoa", "Oceania"),
+    ("Tonga", "Oceania"),
+    ("Kiribati", "Oceania"),
+    ("Tuvalu", "Oceania"),
+    ("Nauru", "Oceania"),
+    ("Micronesia", "Oceania"),
+    ("Palau", "Oceania"),
+    ("Marshall Islands", "Oceania"),
+    ("New Caledonia", "Oceania"),
+]
+
+# Role choices for registration
+ROLE_CHOICES = [
+    ("data_engineer", "Data Engineer"),
+    ("data_scientist", "Data Scientist"),
+    ("data_analyst", "Data Analyst"),
+    ("ml_engineer", "ML Engineer"),
+    ("software_engineer_backend", "Software Engineer (Backend)"),
+    ("software_engineer_other", "Software Engineer (Frontend, Test, etc)"),
+    ("student_stem", "Student (STEM)"),
+    ("student_non_stem", "Student (Non-STEM)"),
+    ("other", "Other"),
+]
+
+# Course state choices
+class CourseState:
+    REGISTRATION = "RE"
+    ACTIVE = "AC"
+    FINISHED = "FI"
+
+    CHOICES = [
+        (REGISTRATION, "Registration"),
+        (ACTIVE, "Active"),
+        (FINISHED, "Finished"),
+    ]

courses/mailchimp.py

@@ -0,0 +1,65 @@
+"""
+Mailchimp integration for newsletter subscriptions
+"""
+import os
+import logging
+import hashlib
+import requests
+
+logger = logging.getLogger(__name__)
+
+MAILCHIMP_TOKEN = os.getenv("MAILCHIMP_TOKEN", "")
+MAILCHIMP_LIST_ID = os.getenv("MAILCHIMP_LIST_ID", "")
+
+
+def add_subscriber_to_mailchimp(email: str, tag: str = None) -> bool:
+    """
+    Add or update a subscriber in Mailchimp
+
+    Args:
+        email: The email address to subscribe
+        tag: Optional tag to add to the subscriber
+
+    Returns:
+        True if successful, False otherwise
+    """
+    if not MAILCHIMP_TOKEN or not MAILCHIMP_LIST_ID:
+        logger.warning("Mailchimp not configured - skipping subscription")
+        return False
+
+    try:
+        # Create MD5 hash of lowercase email for subscriber_hash
+        subscriber_hash = hashlib.md5(email.lower().encode()).hexdigest()
+
+        # Prepare the data
+        data = {
+            "email_address": email,
+            "status_if_new": "subscribed",
+        }
+
+        # Add tags if provided
+        if tag:
+            data["tags"] = [tag]
+
+        # Mailchimp API URL
+        mc_url = f"https://us19.api.mailchimp.com/3.0/lists/{MAILCHIMP_LIST_ID}/members/{subscriber_hash}"
+
+        # Make the request
+        response = requests.put(
+            mc_url,
+            auth=("anystring", MAILCHIMP_TOKEN),
+            headers={"Content-Type": "application/json"},
+            json=data,
+            timeout=10,
+        )
+
+        if response.status_code in [200, 201]:
+            logger.info(f"Successfully added {email} to Mailchimp with tag {tag}")
+            return True
+        else:
+            logger.error(f"Mailchimp API error: {response.status_code} - {response.text}")
+            return False
+
+    except Exception as e:
+        logger.error(f"Error adding subscriber to Mailchimp: {e}")
+        return False