Add ClubMembership enhancements, CSV import command, and related tests

- Extend the ClubMembership model with `club`, `member`, and optional `license` fields, along with relevant constraints and ordering.
- Implement verbose names for Club and ClubMembership models and update admin configurations for better display and filtering.
- Add a `import_members_csv` management command for batch importing members, clubs, and memberships from a CSV file.
- Include extensive tests for the `import_members_csv` command, ClubMembership model, and Club model.
- Refactor related migrations, services, and test structure.
This commit is contained in:
2026-07-05 23:51:35 +02:00
parent 44fe658efa
commit 89c12c12b1
12 changed files with 753 additions and 2 deletions

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@@ -0,0 +1,43 @@
from django.core.management.base import BaseCommand, CommandError
from authentication.services.member_csv_importer import MemberCsvImporter
class Command(BaseCommand):
help = "Import club members from a CSV file."
def add_arguments(self, parser) -> None:
parser.add_argument(
"csv_file",
type=str,
help="Path to the CSV file to import.",
)
parser.add_argument(
"--date-format",
default="%Y-%m-%d",
help="Date format for date_of_birth. Default: %%Y-%%m-%%d",
)
def handle(self, *args, **options) -> str | None:
importer = MemberCsvImporter(date_format=options["date_format"])
try:
result = importer.import_path(options["csv_file"])
except Exception as exc:
raise CommandError(str(exc)) from exc
for error in result.errors:
self.stderr.write(self.style.ERROR(f"Row {error.row_number} skipped: {error.message}"))
self.stdout.write(
self.style.SUCCESS(
"Import complete. "
f"Members created: {result.created_members}. "
f"Members updated: {result.updated_members}. "
f"Users created: {result.created_users}. "
f"Clubs created: {result.created_clubs}. "
f"Memberships created: {result.created_memberships}. "
f"Memberships updated: {result.updated_memberships}. "
f"Rows skipped: {result.skipped_rows}."
)
)

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@@ -0,0 +1,180 @@
import csv
from dataclasses import dataclass, field
from datetime import date, datetime
from pathlib import Path
from typing import IO, Any
from django.contrib.auth import get_user_model
from django.db import transaction
from authentication.models import Member
from club.models import Club, ClubMembership
REQUIRED_COLUMNS = {"first_name", "last_name", "email", "date_of_birth", "create_account", "club_name", "license_number"}
TRUE_VALUES = {"1", "true", "yes", "y", "on"}
User = get_user_model()
@dataclass
class MemberImportRowError:
row_number: int
message: str
@dataclass
class MemberImportResult:
created_members: int = 0
updated_members: int = 0
created_users: int = 0
created_clubs: int = 0
created_memberships: int = 0
updated_memberships: int = 0
skipped_rows: int = 0
errors: list[MemberImportRowError] = field(default_factory=list)
@property
def successful_rows(self):
return self.created_members + self.updated_members
@dataclass
class ImportedMemberRowResult:
member_created: bool
user_created: bool
club_created: bool
membership_created: bool
class MemberCsvImporter:
def __init__(self, *, date_format="%Y-%m-%d") -> None:
self.date_format = date_format
def import_path(self, csv_path) -> MemberImportResult:
path = Path(csv_path)
if not path.exists():
raise FileNotFoundError(f"CSV file does not exist: {path}")
with path.open(newline="", encoding="utf-8-sig") as csv_file:
return self.import_file(csv_file)
def import_file(self, csv_file: IO[str]) -> MemberImportResult:
result = MemberImportResult()
reader = csv.DictReader(csv_file)
if reader.fieldnames is None:
raise ValueError("CSV file is empty or missing a header row.")
missing_columns = REQUIRED_COLUMNS - set(reader.fieldnames)
if missing_columns:
raise ValueError("CSV file is missing required columns: " + ", ".join(sorted(missing_columns)))
for row_number, row in enumerate(reader, start=2):
try:
row_result = self.import_row(row)
except Exception as exc:
result.skipped_rows += 1
result.errors.append(
MemberImportRowError(
row_number=row_number,
message=str(exc),
)
)
continue
if row_result.member_created:
result.created_members += 1
else:
result.updated_members += 1
if row_result.user_created:
result.created_users += 1
if row_result.club_created:
result.created_clubs += 1
if row_result.membership_created:
result.created_memberships += 1
else:
result.updated_memberships += 1
return result
@transaction.atomic
def import_row(self, row) -> ImportedMemberRowResult:
first_name = self.clean_required(row, "first_name")
last_name = self.clean_required(row, "last_name")
email = self.clean_required(row, "email").lower()
date_of_birth = self.parse_date(self.clean_required(row, "date_of_birth"))
create_account = self.as_bool(row.get("create_account", ""))
club_name = self.clean_required(row, "club_name")
license_number = row.get("license_number", "").strip()
user = None
user_created = False
if create_account:
user, user_created = self.get_or_create_user(email)
member, member_created = Member.objects.update_or_create(
email=email,
defaults={
"first_name": first_name,
"last_name": last_name,
"date_of_birth": date_of_birth,
"user": user,
},
)
if create_account and member.user_id is None:
member.user = user
member.save(update_fields=["user"])
club, club_created = Club.objects.get_or_create(name=club_name)
_, membership_created = ClubMembership.objects.update_or_create(
club=club,
member=member,
defaults={
"license": license_number,
},
)
return ImportedMemberRowResult(
member_created=member_created,
user_created=user_created,
club_created=club_created,
membership_created=membership_created,
)
def get_or_create_user(self, email) -> tuple[User, bool]:
user, created = User.objects.get_or_create(
email=email,
defaults={
"is_active": True,
},
)
if created:
user.set_unusable_password()
user.save(update_fields=["password"])
return user, created
def clean_required(self, row, field_name) -> Any:
value = row.get(field_name, "").strip()
if not value:
raise ValueError(f"{field_name} is required.")
return value
def parse_date(self, value) -> date:
try:
return datetime.strptime(value, self.date_format).date()
except ValueError as exc:
raise ValueError(f"Invalid date_of_birth '{value}'. Expected format: {self.date_format}.") from exc
def as_bool(self, value) -> bool:
return value.strip().lower() in TRUE_VALUES

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@@ -1,11 +1,18 @@
import tempfile
import uuid
from datetime import date
from io import StringIO
from pathlib import Path
from django.contrib.auth import get_user_model
from django.core.management import call_command
from django.core.management.base import CommandError
from django.db import IntegrityError
from django.db.models import SET_NULL
from django.test import TestCase
from authentication.models import Family, FamilyMembership, Member
from club.models import Club, ClubMembership
User = get_user_model()
@@ -332,3 +339,233 @@ class AdminSmokeTests(TestCase):
{"app_label": "authentication", "model_name": "member", "field_name": "user", "term": "root"},
)
self.assertEqual(response.status_code, 200)
class ImportMembersCsvCommandTests(TestCase):
def write_csv(self, content):
temp_file = tempfile.NamedTemporaryFile(mode="w", suffix=".csv", delete=False, encoding="utf-8")
temp_file.write(content)
temp_file.close()
self.addCleanup(lambda: Path(temp_file.name).unlink(missing_ok=True))
return temp_file.name
def call_import_command(self, csv_path, **options):
stdout = StringIO()
stderr = StringIO()
call_command(
"import_members_csv",
csv_path,
stdout=stdout,
stderr=stderr,
**options,
)
return stdout.getvalue(), stderr.getvalue()
def test_import_creates_member_club_membership_and_user_when_requested(self):
csv_path = self.write_csv(
"\n".join(
[
"first_name,last_name,email,date_of_birth,create_account,club_name,license_number",
"Jane,Doe,jane@example.com,2010-04-12,true,City Swim Club,LIC-001",
]
)
)
stdout, stderr = self.call_import_command(csv_path)
self.assertEqual(stderr, "")
self.assertIn("Import complete.", stdout)
self.assertIn("Members created: 1.", stdout)
self.assertIn("Users created: 1.", stdout)
self.assertIn("Clubs created: 1.", stdout)
self.assertIn("Memberships created: 1.", stdout)
self.assertIn("Rows skipped: 0.", stdout)
member = Member.objects.get(email="jane@example.com")
self.assertEqual(member.first_name, "Jane")
self.assertEqual(member.last_name, "Doe")
self.assertEqual(member.date_of_birth, date(2010, 4, 12))
self.assertIsNotNone(member.user)
self.assertEqual(member.user.email, "jane@example.com")
self.assertFalse(member.user.has_usable_password())
club = Club.objects.get(name="City Swim Club")
membership = ClubMembership.objects.get(club=club, member=member)
self.assertEqual(membership.license, "LIC-001")
def test_import_creates_member_without_user_when_create_account_is_false(self):
csv_path = self.write_csv(
"\n".join(
[
"first_name,last_name,email,date_of_birth,create_account,club_name,license_number",
"John,Smith,john@example.com,2009-11-03,false,City Swim Club,LIC-002",
]
)
)
stdout, stderr = self.call_import_command(csv_path)
self.assertEqual(stderr, "")
self.assertIn("Members created: 1.", stdout)
self.assertIn("Users created: 0.", stdout)
member = Member.objects.get(email="john@example.com")
self.assertIsNone(member.user)
self.assertFalse(User.objects.filter(email="john@example.com").exists())
def test_import_updates_existing_member_and_membership(self):
club = Club.objects.create(name="City Swim Club")
member = Member.objects.create(
first_name="Old",
last_name="Name",
email="jane@example.com",
date_of_birth=date(2010, 1, 1),
)
ClubMembership.objects.create(
club=club,
member=member,
license="OLD-LIC",
)
csv_path = self.write_csv(
"\n".join(
[
"first_name,last_name,email,date_of_birth,create_account,club_name,license_number",
"Jane,Doe,jane@example.com,2010-04-12,false,City Swim Club,LIC-NEW",
]
)
)
stdout, stderr = self.call_import_command(csv_path)
self.assertEqual(stderr, "")
self.assertIn("Members created: 0.", stdout)
self.assertIn("Members updated: 1.", stdout)
self.assertIn("Memberships created: 0.", stdout)
self.assertIn("Memberships updated: 1.", stdout)
member.refresh_from_db()
self.assertEqual(member.first_name, "Jane")
self.assertEqual(member.last_name, "Doe")
self.assertEqual(member.date_of_birth, date(2010, 4, 12))
membership = ClubMembership.objects.get(club=club, member=member)
self.assertEqual(membership.license, "LIC-NEW")
def test_import_links_existing_user_when_create_account_is_true(self):
user = User.objects.create_user(email="jane@example.com", password="secret123")
csv_path = self.write_csv(
"\n".join(
[
"first_name,last_name,email,date_of_birth,create_account,club_name,license_number",
"Jane,Doe,jane@example.com,2010-04-12,true,City Swim Club,LIC-001",
]
)
)
stdout, stderr = self.call_import_command(csv_path)
self.assertEqual(stderr, "")
self.assertIn("Users created: 0.", stdout)
member = Member.objects.get(email="jane@example.com")
self.assertEqual(member.user, user)
self.assertTrue(user.check_password("secret123"))
def test_import_supports_custom_date_format(self):
csv_path = self.write_csv(
"\n".join(
[
"first_name,last_name,email,date_of_birth,create_account,club_name,license_number",
"Jane,Doe,jane@example.com,12/04/2010,false,City Swim Club,LIC-001",
]
)
)
stdout, stderr = self.call_import_command(csv_path, date_format="%d/%m/%Y")
self.assertEqual(stderr, "")
self.assertIn("Members created: 1.", stdout)
member = Member.objects.get(email="jane@example.com")
self.assertEqual(member.date_of_birth, date(2010, 4, 12))
def test_import_skips_invalid_row_and_imports_valid_rows(self):
csv_path = self.write_csv(
"\n".join(
[
"first_name,last_name,email,date_of_birth,create_account,club_name,license_number",
"Jane,Doe,jane@example.com,2010-04-12,false,City Swim Club,LIC-001",
"Broken,Date,broken@example.com,not-a-date,false,City Swim Club,LIC-002",
]
)
)
stdout, stderr = self.call_import_command(csv_path)
self.assertIn("Row 3 skipped:", stderr)
self.assertIn("Invalid date_of_birth 'not-a-date'.", stderr)
self.assertIn("Members created: 1.", stdout)
self.assertIn("Rows skipped: 1.", stdout)
self.assertTrue(Member.objects.filter(email="jane@example.com").exists())
self.assertFalse(Member.objects.filter(email="broken@example.com").exists())
def test_import_fails_for_missing_file(self):
stdout = StringIO()
stderr = StringIO()
with self.assertRaises(CommandError) as context:
call_command(
"import_members_csv",
"does-not-exist.csv",
stdout=stdout,
stderr=stderr,
)
self.assertIn("CSV file does not exist", str(context.exception))
def test_import_fails_for_missing_required_columns(self):
csv_path = self.write_csv(
"\n".join(
[
"first_name,last_name,email",
"Jane,Doe,jane@example.com",
]
)
)
stdout = StringIO()
stderr = StringIO()
with self.assertRaises(CommandError) as context:
call_command(
"import_members_csv",
csv_path,
stdout=stdout,
stderr=stderr,
)
self.assertIn("CSV file is missing required columns:", str(context.exception))
self.assertIn("club_name", str(context.exception))
self.assertIn("date_of_birth", str(context.exception))
self.assertIn("license_number", str(context.exception))
def test_import_fails_for_empty_csv_file(self):
csv_path = self.write_csv("")
stdout = StringIO()
stderr = StringIO()
with self.assertRaises(CommandError) as context:
call_command(
"import_members_csv",
csv_path,
stdout=stdout,
stderr=stderr,
)
self.assertIn("CSV file is empty or missing a header row.", str(context.exception))