Bug fixes and refactored code for better reusability and extensibility

This commit is contained in:
Elijah 2023-12-27 14:32:26 +01:00
parent 3a7f0a43c5
commit d450819cd3
1 changed files with 210 additions and 132 deletions

View File

@ -1,15 +1,18 @@
import random
from typing import Type, Callable, List
from django.core.management.base import BaseCommand
from django.db import IntegrityError
from django.db import models, IntegrityError
from idhub.models import Event, Rol, Service, UserRol
from idhub_auth.models import User
from faker import Faker
DEFAULT_OBJECTS_CREATED = 30
RANDOM_STRING_LENGTH = 30
EMAIL_RANDOM_STRING_LENGTH = 10
DEFAULT_OBJECTS_CREATED: int = 30
RANDOM_STRING_LENGTH: int = 30
EMAIL_RANDOM_STRING_LENGTH: int = 10
EXISTING_EVENTS: int = 30
fake = Faker()
@ -24,54 +27,68 @@ class Command(BaseCommand):
"""
help = 'Populate the database with dummy values for testing.'
created_users = []
created_roles = []
created_services = []
def __init__(self, *args, **kwargs):
"""
In the context of a Django management command,
initializing lists like created_users in the constructor ensures
that each run of the command has its own set of users, services,
roles, etc., and does not unintentionally share or retain state
across different invocations of the command.
"""
super().__init__(*args, **kwargs)
self.created_users = []
self.created_services = []
self.created_roles = []
def handle(self, *args, **options):
any_option_used = False
if options["events"]:
self.create_events(options["events"])
any_option_used = True
if options["users"]:
self.create_users(options["users"])
any_option_used = True
if options["superusers"]:
self.create_superusers(options["superusers"])
any_option_used = True
if options["services"]:
self.create_services(options["services"])
any_option_used = True
if options["roles"]:
self.create_roles(options["roles"])
any_option_used = True
if options["userroles"]:
self.create_user_roles(options["userroles"])
any_option_used = True
if options["userrole"]:
user = options["userrole"][0]
service = options["userrole"][1]
self.create_user_roles(1, user, service)
any_option_used = True
if options["register"]:
email = options["register"][0]
password = options["register"][1]
self.create_user(email, password)
any_option_used = True
if options["register_superuser"]:
email = options["register_superuser"][0]
password = options["register_superuser"][1]
self.create_superuser(email, password)
any_option_used = True
if options["amount"]:
self.create_all(options["amount"])
any_option_used = True
any_option_used = self.process_options(options)
if not any_option_used:
self.create_all()
def process_options(self, input_options):
option_methods = {
'events': self.create_events,
'users': self.create_users,
'superusers': self.create_superusers,
'services': self.create_services,
'roles': self.create_roles,
'userroles': self.create_user_roles,
'userrole': self.create_specific_user_role,
'register': self.register_user,
'register_superuser': self.register_superuser,
'amount': self.create_all
}
any_option_used = self.match_input_to_options(input_options,
option_methods)
return any_option_used
def match_input_to_options(self, input_options, option_methods):
any_option_used = False
for option, method in option_methods.items():
is_valid_option = option in input_options and input_options[
option] is not None
if is_valid_option:
self.call_selected_method(input_options, method, option)
any_option_used = True
return any_option_used
def call_selected_method(self, input_options, method, option):
args = self.create_argument_list(input_options, option)
method(*args)
def create_argument_list(self, input_options, option):
if isinstance(input_options[option], list):
args = input_options[option]
else:
args = [input_options[option]]
return args
def add_arguments(self, parser):
parser.add_argument(
'--amount', type=int, action='store',
@ -95,11 +112,32 @@ class Command(BaseCommand):
metavar=('U', 'S'),
)
parser.add_argument('--register', nargs=2, type=str,
help='Create a user with email E and password P',
metavar=('E', 'P'))
help='Create a user with email EMAIL and password PW',
metavar=('EMAIL', 'PW'))
parser.add_argument('--register-superuser', nargs=2, type=str,
help='Create a superuser with email E and password P',
metavar=('E', 'P'))
help='Create a superuser with email EMAIL and '
'password PW',
metavar=('EMAIL', 'PW'))
def register_user(self, email: str, password: str):
"""
Register a new user with the given email and password from the command line.
"""
try:
self.create_user(email, password)
self.stdout.write(f"Successfully registered user: {email}")
except IntegrityError:
self.stdout.write(f"Failed to register user: {email}")
def register_superuser(self, email: str, password: str):
"""
Register a new superuser with the given email and password from the command line.
"""
try:
self.create_superuser(email, password)
self.stdout.write(f"Successfully registered superuser: {email}")
except IntegrityError:
self.stdout.write(f"Failed to register superuser: {email}")
def create_all(self, amount=DEFAULT_OBJECTS_CREATED):
self.create_events(amount)
@ -108,36 +146,49 @@ class Command(BaseCommand):
self.create_services(amount)
self.create_user_roles(amount)
def create_events(self, amount, user=None):
created_event_amount = 0
for value in range(0, amount):
try:
Event.objects.create(
type=random.randint(1, 30),
message=fake.paragraph(nb_sentences=3),
user=user
)
created_event_amount += 1
except IntegrityError:
self.stdout.write("Couldn't create event")
self.stdout.write(f"Created {created_event_amount} events")
def create_objects(self, model: Type[models.Model],
data_generator: Callable, amount: int) -> List[
models.Model]:
"""
Generic method to create objects for a given model and keep track of them.
def create_users(self, amount):
created_user_amount = 0
for value in range(0, amount):
email = fake.email()
try:
User.objects.create(
email=email,
first_name=fake.first_name(),
last_name=fake.last_name()
)
self.created_users.append(email)
created_user_amount += 1
except IntegrityError:
self.stdout.write("Couldn't create user " + email)
Args:
model: The Django model class for which objects are to be created.
data_generator: A function that returns a dictionary of attributes for creating a model instance.
amount: The number of objects to create.
self.stdout.write(f"Created {created_user_amount} users")
Returns:
A list of successfully created model instances.
"""
created_objects = []
for _ in range(amount):
try:
model_instance = self.create_from_data(data_generator, model)
created_objects.append(model_instance)
except IntegrityError:
self.print_failure_message(model)
self.print_amount_created(created_objects, model)
return created_objects
def create_users(self, amount: int):
def user_data():
return {
'email': fake.email(),
'first_name': fake.first_name(),
'last_name': fake.last_name()
}
created_users = self.create_objects(User, user_data, amount)
self.created_users.extend(created_users)
def create_events(self, amount: int, user=None):
def event_data():
return {
'type': random.randint(1, EXISTING_EVENTS),
'message': fake.paragraph(nb_sentences=3),
'user': user
}
self.create_objects(Event, event_data, amount)
def create_superusers(self, amount=0):
"""Superusers can only be created from the specific command"""
@ -151,65 +202,92 @@ class Command(BaseCommand):
self.stdout.write("Couldn't create superuser " + email)
self.stdout.write(f"Created {created_superuser_amount} users")
def create_services(self, amount):
created_service_amount = 0
for value in range(0, amount):
def create_services(self, amount: int):
def service_data():
domain = fake.text(max_nb_chars=200)
try:
service = Service.objects.create(
domain=domain,
description = fake.text(max_nb_chars=250)
)
self.created_services.append(domain)
try:
associated_rol = Rol.objects.get(name=random.choice(
self.created_roles))
service.rol.add(associated_rol.id)
except IntegrityError:
self.stdout.write(
f"Couldn't associate role with service {domain}")
created_service_amount += 1
except IntegrityError:
self.stdout.write("Couldn't create service " + domain)
self.stdout.write(f"Created {created_service_amount} services")
return {
'domain': domain,
'description': description,
}
def create_roles(self, amount):
created_role_amount = 0
for value in range(0, amount):
created_services = self.create_objects(Service, service_data, amount)
self.associate_random_roles(created_services)
self.created_services.extend(created_services)
def create_roles(self, amount: int):
def role_data():
name = fake.job()
try:
Rol.objects.create(name=name,
description = fake.text(max_nb_chars=250)
)
created_role_amount += 1
except IntegrityError:
self.stdout.write("Couldn't create role " + name)
self.created_roles.append(name)
self.stdout.write(f"Created {created_role_amount} roles")
return {'name': name, 'description': description}
def create_user_roles(self, amount, user_id=None, service_id=None):
created_user_role_amount = 0
user_id = user_id if user_id is not None else random.choice(
self.created_users)
service_id = service_id if service_id is not None else random.choice(
self.created_services)
for value in range(0, amount):
try:
user = User.objects.get(email=user_id)
service = Service.objects.get(domain=service_id)
UserRol.objects.create(
user=user,
service=service
)
created_user_role_amount += 1
except IntegrityError:
self.stdout.write("Couldn't create user role for user " + user.email)
user_id = random.choice(self.created_users)
service_id = random.choice(self.created_services)
self.stdout.write(f"Created {created_user_role_amount} user roles")
created_roles = self.create_objects(Rol, role_data, amount)
self.created_roles.extend(created_roles)
def create_user(self, email, password):
def create_user_roles(self, amount: int, user_id=None, service_id=None):
def user_role_data():
user = self.get_or_create_user(user_id)
service = self.get_or_create_service(service_id)
return {"user": user, "service": service}
self.create_objects(UserRol, user_role_data, amount)
def create_specific_user_role(self, user, service):
self.create_user_roles(1, user, service)
def create_user(self, email: str, password: str):
User.objects.create_user(email, password)
def create_superuser(self, email, password):
def create_superuser(self, email: str, password: str):
User.objects.create_superuser(email, password)
def print_failure_message(self, model):
self.stdout.write(f"Couldn't create {model.__name__} object.")
def print_amount_created(self, created_objects, model):
self.stdout.write(f"Created {len(created_objects)} "
f"{model.__name__} objects")
def create_from_data(self, data_generator, model):
model_instance = model.objects.create(**data_generator())
return model_instance
def associate_random_roles(self, created_services):
for service in created_services:
self.associate_service_to_random_roles(service)
def associate_service_to_random_roles(self, service):
associated_roles = [self.get_or_create_role() for _ in range(
random.randint(0, 2))]
service.rol.set(associated_roles)
def get_or_create_user(self, user_id):
if user_id is not None:
user = User.objects.get(user_id=user_id)
elif len(self.created_users) != 0:
user = random.choice(self.created_users)
else:
self.create_users(1)
user = self.created_users[0]
return user
def get_or_create_service(self, service_id):
if service_id is not None:
service = Service.objects.get(service_id=service_id)
elif len(self.created_services) != 0:
service = random.choice(self.created_services)
else:
self.create_services(1)
service = self.created_services[0]
return service
def get_or_create_role(self):
if len(self.created_roles) != 0:
role = random.choice(self.created_roles)
else:
self.create_roles(1)
role = self.created_roles[0]
return role