django_program.registration.models

Registration, ticketing, cart, order, and payment models for django-program.

Classes

AddOn	An optional extra attached to a ticket (e.g. workshop, t-shirt).
Cart	A user's shopping cart for a conference.
CartItem	A single item (ticket or add-on) in a cart.
Credit	A store credit that can be applied to future orders.
EventProcessingException	Records an error that occurred while processing a webhook event.
Order	A completed checkout with billing and payment info.
OrderLineItem	A snapshot of a purchased item at checkout time.
Payment	A payment record against an order.
StripeCustomer	Maps a Django user to a Stripe customer for a specific conference.
StripeEvent	A record of a Stripe webhook event for idempotent processing.
TicketType	A purchasable ticket category for a conference.
Voucher	A discount or access code for tickets and add-ons.

class django_program.registration.models.TicketType

Bases: Model

A purchasable ticket category for a conference.

Defines a class of ticket (e.g. “Early Bird”, “Student”, “Corporate”) with pricing, availability windows, and optional quantity limits. Ticket types flagged with requires_voucher are hidden from the public storefront until unlocked by a matching voucher code.

conference

Accessor to the related object on the forward side of a many-to-one or one-to-one (via ForwardOneToOneDescriptor subclass) relation.

In the example:

class Child(Model):
    parent = ForeignKey(Parent, related_name='children')

Child.parent is a ForwardManyToOneDescriptor instance.

name

A wrapper for a deferred-loading field. When the value is read from this object the first time, the query is executed.

slug

A wrapper for a deferred-loading field. When the value is read from this object the first time, the query is executed.

description

A wrapper for a deferred-loading field. When the value is read from this object the first time, the query is executed.

price

A wrapper for a deferred-loading field. When the value is read from this object the first time, the query is executed.

available_from

A wrapper for a deferred-loading field. When the value is read from this object the first time, the query is executed.

available_until

A wrapper for a deferred-loading field. When the value is read from this object the first time, the query is executed.

total_quantity

A wrapper for a deferred-loading field. When the value is read from this object the first time, the query is executed.

limit_per_user

A wrapper for a deferred-loading field. When the value is read from this object the first time, the query is executed.

requires_voucher

A wrapper for a deferred-loading field. When the value is read from this object the first time, the query is executed.

is_active

A wrapper for a deferred-loading field. When the value is read from this object the first time, the query is executed.

order

A wrapper for a deferred-loading field. When the value is read from this object the first time, the query is executed.

created_at

A wrapper for a deferred-loading field. When the value is read from this object the first time, the query is executed.

updated_at

A wrapper for a deferred-loading field. When the value is read from this object the first time, the query is executed.

property remaining_quantity: int | None

Return the number of tickets still available for purchase.

Counts tickets in paid/partially-refunded orders plus pending orders with an active inventory hold (hold_expires_at in the future).

Returns:

The remaining count, or None if this ticket type has unlimited quantity (total_quantity == 0).

property is_available: bool

Check whether this ticket type can currently be purchased.

A ticket is available when all of the following are true:

• is_active is True

• The current time is within the available_from / available_until window (if set)

• There is remaining quantity (or quantity is unlimited)

exception DoesNotExist

Bases: ObjectDoesNotExist

exception MultipleObjectsReturned

Bases: MultipleObjectsReturned

available_addons

Accessor to the related objects manager on the forward and reverse sides of a many-to-many relation.

In the example:

class Pizza(Model):
    toppings = ManyToManyField(Topping, related_name='pizzas')

Pizza.toppings and Topping.pizzas are ManyToManyDescriptor instances.

Most of the implementation is delegated to a dynamically defined manager class built by create_forward_many_to_many_manager() defined below.

cart_items

Accessor to the related objects manager on the reverse side of a many-to-one relation.

In the example:

class Child(Model):
    parent = ForeignKey(Parent, related_name='children')

Parent.children is a ReverseManyToOneDescriptor instance.

Most of the implementation is delegated to a dynamically defined manager class built by create_forward_many_to_many_manager() defined below.

conference_id

get_next_by_created_at(*, field=<django.db.models.fields.DateTimeField: created_at>, is_next=True, **kwargs)

get_next_by_updated_at(*, field=<django.db.models.fields.DateTimeField: updated_at>, is_next=True, **kwargs)

get_previous_by_created_at(*, field=<django.db.models.fields.DateTimeField: created_at>, is_next=False, **kwargs)

get_previous_by_updated_at(*, field=<django.db.models.fields.DateTimeField: updated_at>, is_next=False, **kwargs)

id

A wrapper for a deferred-loading field. When the value is read from this object the first time, the query is executed.

objects = <django.db.models.manager.Manager object>

order_line_items

Accessor to the related objects manager on the reverse side of a many-to-one relation.

In the example:

class Child(Model):
    parent = ForeignKey(Parent, related_name='children')

Parent.children is a ReverseManyToOneDescriptor instance.

Most of the implementation is delegated to a dynamically defined manager class built by create_forward_many_to_many_manager() defined below.

vouchers

Accessor to the related objects manager on the forward and reverse sides of a many-to-many relation.

In the example:

class Pizza(Model):
    toppings = ManyToManyField(Topping, related_name='pizzas')

Pizza.toppings and Topping.pizzas are ManyToManyDescriptor instances.

Most of the implementation is delegated to a dynamically defined manager class built by create_forward_many_to_many_manager() defined below.

class django_program.registration.models.AddOn

Bases: Model

An optional extra attached to a ticket (e.g. workshop, t-shirt).

Add-ons can optionally be restricted to specific ticket types via the requires_ticket_types relation. When that relation is empty the add-on is available to holders of any ticket type.

conference

Accessor to the related object on the forward side of a many-to-one or one-to-one (via ForwardOneToOneDescriptor subclass) relation.

In the example:

class Child(Model):
    parent = ForeignKey(Parent, related_name='children')

Child.parent is a ForwardManyToOneDescriptor instance.

name

A wrapper for a deferred-loading field. When the value is read from this object the first time, the query is executed.

slug

A wrapper for a deferred-loading field. When the value is read from this object the first time, the query is executed.

description

A wrapper for a deferred-loading field. When the value is read from this object the first time, the query is executed.

price

A wrapper for a deferred-loading field. When the value is read from this object the first time, the query is executed.

requires_ticket_types

Accessor to the related objects manager on the forward and reverse sides of a many-to-many relation.

In the example:

class Pizza(Model):
    toppings = ManyToManyField(Topping, related_name='pizzas')

Pizza.toppings and Topping.pizzas are ManyToManyDescriptor instances.

Most of the implementation is delegated to a dynamically defined manager class built by create_forward_many_to_many_manager() defined below.

available_from

A wrapper for a deferred-loading field. When the value is read from this object the first time, the query is executed.

available_until

A wrapper for a deferred-loading field. When the value is read from this object the first time, the query is executed.

total_quantity

A wrapper for a deferred-loading field. When the value is read from this object the first time, the query is executed.

is_active

A wrapper for a deferred-loading field. When the value is read from this object the first time, the query is executed.

order

A wrapper for a deferred-loading field. When the value is read from this object the first time, the query is executed.

created_at

A wrapper for a deferred-loading field. When the value is read from this object the first time, the query is executed.

updated_at

A wrapper for a deferred-loading field. When the value is read from this object the first time, the query is executed.

exception DoesNotExist

Bases: ObjectDoesNotExist

exception MultipleObjectsReturned

Bases: MultipleObjectsReturned

cart_items

Accessor to the related objects manager on the reverse side of a many-to-one relation.

In the example:

class Child(Model):
    parent = ForeignKey(Parent, related_name='children')

Parent.children is a ReverseManyToOneDescriptor instance.

Most of the implementation is delegated to a dynamically defined manager class built by create_forward_many_to_many_manager() defined below.

conference_id

get_next_by_created_at(*, field=<django.db.models.fields.DateTimeField: created_at>, is_next=True, **kwargs)

get_next_by_updated_at(*, field=<django.db.models.fields.DateTimeField: updated_at>, is_next=True, **kwargs)

get_previous_by_created_at(*, field=<django.db.models.fields.DateTimeField: created_at>, is_next=False, **kwargs)

get_previous_by_updated_at(*, field=<django.db.models.fields.DateTimeField: updated_at>, is_next=False, **kwargs)

id

A wrapper for a deferred-loading field. When the value is read from this object the first time, the query is executed.

objects = <django.db.models.manager.Manager object>

order_line_items

Accessor to the related objects manager on the reverse side of a many-to-one relation.

In the example:

class Child(Model):
    parent = ForeignKey(Parent, related_name='children')

Parent.children is a ReverseManyToOneDescriptor instance.

Most of the implementation is delegated to a dynamically defined manager class built by create_forward_many_to_many_manager() defined below.

vouchers

Accessor to the related objects manager on the forward and reverse sides of a many-to-many relation.

In the example:

class Pizza(Model):
    toppings = ManyToManyField(Topping, related_name='pizzas')

Pizza.toppings and Topping.pizzas are ManyToManyDescriptor instances.

Most of the implementation is delegated to a dynamically defined manager class built by create_forward_many_to_many_manager() defined below.

class django_program.registration.models.Voucher

Bases: Model

A discount or access code for tickets and add-ons.

Vouchers can provide a percentage discount, a fixed amount off, or full complimentary access (100% off). They can also unlock hidden ticket types that require a voucher to purchase.

class VoucherType

Bases: TextChoices

The type of discount a voucher provides.

COMP = 'comp'

PERCENTAGE = 'percentage'

FIXED_AMOUNT = 'fixed_amount'

__new__(value)

conference

Accessor to the related object on the forward side of a many-to-one or one-to-one (via ForwardOneToOneDescriptor subclass) relation.

In the example:

class Child(Model):
    parent = ForeignKey(Parent, related_name='children')

Child.parent is a ForwardManyToOneDescriptor instance.

code

A wrapper for a deferred-loading field. When the value is read from this object the first time, the query is executed.

voucher_type

A wrapper for a deferred-loading field. When the value is read from this object the first time, the query is executed.

discount_value

A wrapper for a deferred-loading field. When the value is read from this object the first time, the query is executed.

applicable_ticket_types

Accessor to the related objects manager on the forward and reverse sides of a many-to-many relation.

In the example:

class Pizza(Model):
    toppings = ManyToManyField(Topping, related_name='pizzas')

Pizza.toppings and Topping.pizzas are ManyToManyDescriptor instances.

Most of the implementation is delegated to a dynamically defined manager class built by create_forward_many_to_many_manager() defined below.

applicable_addons

Accessor to the related objects manager on the forward and reverse sides of a many-to-many relation.

In the example:

class Pizza(Model):
    toppings = ManyToManyField(Topping, related_name='pizzas')

Pizza.toppings and Topping.pizzas are ManyToManyDescriptor instances.

Most of the implementation is delegated to a dynamically defined manager class built by create_forward_many_to_many_manager() defined below.

max_uses

A wrapper for a deferred-loading field. When the value is read from this object the first time, the query is executed.

times_used

A wrapper for a deferred-loading field. When the value is read from this object the first time, the query is executed.

valid_from

A wrapper for a deferred-loading field. When the value is read from this object the first time, the query is executed.

valid_until

A wrapper for a deferred-loading field. When the value is read from this object the first time, the query is executed.

unlocks_hidden_tickets

A wrapper for a deferred-loading field. When the value is read from this object the first time, the query is executed.

is_active

A wrapper for a deferred-loading field. When the value is read from this object the first time, the query is executed.

created_at

A wrapper for a deferred-loading field. When the value is read from this object the first time, the query is executed.

updated_at

A wrapper for a deferred-loading field. When the value is read from this object the first time, the query is executed.

property is_valid: bool

Check whether this voucher can currently be redeemed.

A voucher is valid when it is active, has remaining uses, and the current time falls within the optional validity window.

exception DoesNotExist

Bases: ObjectDoesNotExist

exception MultipleObjectsReturned

Bases: MultipleObjectsReturned

carts

Accessor to the related objects manager on the reverse side of a many-to-one relation.

In the example:

class Child(Model):
    parent = ForeignKey(Parent, related_name='children')

Parent.children is a ReverseManyToOneDescriptor instance.

Most of the implementation is delegated to a dynamically defined manager class built by create_forward_many_to_many_manager() defined below.

conference_id

get_next_by_created_at(*, field=<django.db.models.fields.DateTimeField: created_at>, is_next=True, **kwargs)

get_next_by_updated_at(*, field=<django.db.models.fields.DateTimeField: updated_at>, is_next=True, **kwargs)

get_previous_by_created_at(*, field=<django.db.models.fields.DateTimeField: created_at>, is_next=False, **kwargs)

get_previous_by_updated_at(*, field=<django.db.models.fields.DateTimeField: updated_at>, is_next=False, **kwargs)

get_voucher_type_display(*, field=<django.db.models.fields.CharField: voucher_type>)

id

A wrapper for a deferred-loading field. When the value is read from this object the first time, the query is executed.

objects = <django.db.models.manager.Manager object>

class django_program.registration.models.Cart

Bases: Model

A user’s shopping cart for a conference.

Carts hold ticket and add-on selections before checkout. They transition through statuses from OPEN to CHECKED_OUT when submitted to checkout and converted to an order (which may still be pending payment), or to EXPIRED / ABANDONED when the session times out.

class Status

Bases: TextChoices

Lifecycle states for a shopping cart.

OPEN = 'open'

CHECKED_OUT = 'checked_out'

EXPIRED = 'expired'

ABANDONED = 'abandoned'

__new__(value)

user

Accessor to the related object on the forward side of a many-to-one or one-to-one (via ForwardOneToOneDescriptor subclass) relation.

In the example:

class Child(Model):
    parent = ForeignKey(Parent, related_name='children')

Child.parent is a ForwardManyToOneDescriptor instance.

conference

Accessor to the related object on the forward side of a many-to-one or one-to-one (via ForwardOneToOneDescriptor subclass) relation.

In the example:

class Child(Model):
    parent = ForeignKey(Parent, related_name='children')

Child.parent is a ForwardManyToOneDescriptor instance.

status

A wrapper for a deferred-loading field. When the value is read from this object the first time, the query is executed.

voucher

Accessor to the related object on the forward side of a many-to-one or one-to-one (via ForwardOneToOneDescriptor subclass) relation.

In the example:

class Child(Model):
    parent = ForeignKey(Parent, related_name='children')

Child.parent is a ForwardManyToOneDescriptor instance.

expires_at

A wrapper for a deferred-loading field. When the value is read from this object the first time, the query is executed.

created_at

A wrapper for a deferred-loading field. When the value is read from this object the first time, the query is executed.

updated_at

A wrapper for a deferred-loading field. When the value is read from this object the first time, the query is executed.

exception DoesNotExist

Bases: ObjectDoesNotExist

exception MultipleObjectsReturned

Bases: MultipleObjectsReturned

conference_id

get_next_by_created_at(*, field=<django.db.models.fields.DateTimeField: created_at>, is_next=True, **kwargs)

get_next_by_updated_at(*, field=<django.db.models.fields.DateTimeField: updated_at>, is_next=True, **kwargs)

get_previous_by_created_at(*, field=<django.db.models.fields.DateTimeField: created_at>, is_next=False, **kwargs)

get_previous_by_updated_at(*, field=<django.db.models.fields.DateTimeField: updated_at>, is_next=False, **kwargs)

get_status_display(*, field=<django.db.models.fields.CharField: status>)

id

A wrapper for a deferred-loading field. When the value is read from this object the first time, the query is executed.

items

Accessor to the related objects manager on the reverse side of a many-to-one relation.

In the example:

class Child(Model):
    parent = ForeignKey(Parent, related_name='children')

Parent.children is a ReverseManyToOneDescriptor instance.

Most of the implementation is delegated to a dynamically defined manager class built by create_forward_many_to_many_manager() defined below.

objects = <django.db.models.manager.Manager object>

user_id

voucher_id

class django_program.registration.models.CartItem

Bases: Model

A single item (ticket or add-on) in a cart.

Each cart item references exactly one of ticket_type or addon, enforced by a database-level check constraint. The unit_price and line_total properties compute pricing from the referenced item.

cart

Accessor to the related object on the forward side of a many-to-one or one-to-one (via ForwardOneToOneDescriptor subclass) relation.

In the example:

class Child(Model):
    parent = ForeignKey(Parent, related_name='children')

Child.parent is a ForwardManyToOneDescriptor instance.

ticket_type

Accessor to the related object on the forward side of a many-to-one or one-to-one (via ForwardOneToOneDescriptor subclass) relation.

In the example:

class Child(Model):
    parent = ForeignKey(Parent, related_name='children')

Child.parent is a ForwardManyToOneDescriptor instance.

addon

Accessor to the related object on the forward side of a many-to-one or one-to-one (via ForwardOneToOneDescriptor subclass) relation.

In the example:

class Child(Model):
    parent = ForeignKey(Parent, related_name='children')

Child.parent is a ForwardManyToOneDescriptor instance.

quantity

A wrapper for a deferred-loading field. When the value is read from this object the first time, the query is executed.

created_at

A wrapper for a deferred-loading field. When the value is read from this object the first time, the query is executed.

property unit_price: Decimal

Return the per-unit price of this cart item.

property line_total: Decimal

Return the total price for this line (unit_price * quantity).

exception DoesNotExist

Bases: ObjectDoesNotExist

exception MultipleObjectsReturned

Bases: MultipleObjectsReturned

addon_id

cart_id

get_next_by_created_at(*, field=<django.db.models.fields.DateTimeField: created_at>, is_next=True, **kwargs)

get_previous_by_created_at(*, field=<django.db.models.fields.DateTimeField: created_at>, is_next=False, **kwargs)

id

A wrapper for a deferred-loading field. When the value is read from this object the first time, the query is executed.

objects = <django.db.models.manager.Manager object>

ticket_type_id

class django_program.registration.models.Order

Bases: Model

A completed checkout with billing and payment info.

Orders are created when a cart is checked out. They capture a snapshot of the pricing, discounts, and billing details at the time of purchase. The reference field holds a unique human-readable order number.

class Status

Bases: TextChoices

Lifecycle states for an order.

PENDING = 'pending'

PAID = 'paid'

REFUNDED = 'refunded'

PARTIALLY_REFUNDED = 'partially_refunded'

CANCELLED = 'cancelled'

__new__(value)

conference

Accessor to the related object on the forward side of a many-to-one or one-to-one (via ForwardOneToOneDescriptor subclass) relation.

In the example:

class Child(Model):
    parent = ForeignKey(Parent, related_name='children')

Child.parent is a ForwardManyToOneDescriptor instance.

user

Accessor to the related object on the forward side of a many-to-one or one-to-one (via ForwardOneToOneDescriptor subclass) relation.

In the example:

class Child(Model):
    parent = ForeignKey(Parent, related_name='children')

Child.parent is a ForwardManyToOneDescriptor instance.

status

A wrapper for a deferred-loading field. When the value is read from this object the first time, the query is executed.

subtotal

A wrapper for a deferred-loading field. When the value is read from this object the first time, the query is executed.

discount_amount

A wrapper for a deferred-loading field. When the value is read from this object the first time, the query is executed.

total

A wrapper for a deferred-loading field. When the value is read from this object the first time, the query is executed.

voucher_code

A wrapper for a deferred-loading field. When the value is read from this object the first time, the query is executed.

voucher_details

A wrapper for a deferred-loading field. When the value is read from this object the first time, the query is executed.

billing_name

A wrapper for a deferred-loading field. When the value is read from this object the first time, the query is executed.

billing_email

A wrapper for a deferred-loading field. When the value is read from this object the first time, the query is executed.

billing_company

A wrapper for a deferred-loading field. When the value is read from this object the first time, the query is executed.

reference

A wrapper for a deferred-loading field. When the value is read from this object the first time, the query is executed.

hold_expires_at

A wrapper for a deferred-loading field. When the value is read from this object the first time, the query is executed.

created_at

A wrapper for a deferred-loading field. When the value is read from this object the first time, the query is executed.

updated_at

A wrapper for a deferred-loading field. When the value is read from this object the first time, the query is executed.

exception DoesNotExist

Bases: ObjectDoesNotExist

exception MultipleObjectsReturned

Bases: MultipleObjectsReturned

applied_credits

Accessor to the related objects manager on the reverse side of a many-to-one relation.

In the example:

class Child(Model):
    parent = ForeignKey(Parent, related_name='children')

Parent.children is a ReverseManyToOneDescriptor instance.

Most of the implementation is delegated to a dynamically defined manager class built by create_forward_many_to_many_manager() defined below.

conference_id

get_next_by_created_at(*, field=<django.db.models.fields.DateTimeField: created_at>, is_next=True, **kwargs)

get_next_by_updated_at(*, field=<django.db.models.fields.DateTimeField: updated_at>, is_next=True, **kwargs)

get_previous_by_created_at(*, field=<django.db.models.fields.DateTimeField: created_at>, is_next=False, **kwargs)

get_previous_by_updated_at(*, field=<django.db.models.fields.DateTimeField: updated_at>, is_next=False, **kwargs)

get_status_display(*, field=<django.db.models.fields.CharField: status>)

id

A wrapper for a deferred-loading field. When the value is read from this object the first time, the query is executed.

issued_credits

Accessor to the related objects manager on the reverse side of a many-to-one relation.

In the example:

class Child(Model):
    parent = ForeignKey(Parent, related_name='children')

Parent.children is a ReverseManyToOneDescriptor instance.

Most of the implementation is delegated to a dynamically defined manager class built by create_forward_many_to_many_manager() defined below.

line_items

Accessor to the related objects manager on the reverse side of a many-to-one relation.

In the example:

class Child(Model):
    parent = ForeignKey(Parent, related_name='children')

Parent.children is a ReverseManyToOneDescriptor instance.

Most of the implementation is delegated to a dynamically defined manager class built by create_forward_many_to_many_manager() defined below.

objects = <django.db.models.manager.Manager object>

payments

Accessor to the related objects manager on the reverse side of a many-to-one relation.

In the example:

class Child(Model):
    parent = ForeignKey(Parent, related_name='children')

Parent.children is a ReverseManyToOneDescriptor instance.

Most of the implementation is delegated to a dynamically defined manager class built by create_forward_many_to_many_manager() defined below.

user_id

class django_program.registration.models.OrderLineItem

Bases: Model

A snapshot of a purchased item at checkout time.

Line items are immutable records of what was purchased, including the price and description at the time of checkout. They may reference the original TicketType or AddOn for traceability, but those links are optional since the source item could be deleted after the order is placed.

order

Accessor to the related object on the forward side of a many-to-one or one-to-one (via ForwardOneToOneDescriptor subclass) relation.

In the example:

class Child(Model):
    parent = ForeignKey(Parent, related_name='children')

Child.parent is a ForwardManyToOneDescriptor instance.

description

A wrapper for a deferred-loading field. When the value is read from this object the first time, the query is executed.

quantity

A wrapper for a deferred-loading field. When the value is read from this object the first time, the query is executed.

unit_price

A wrapper for a deferred-loading field. When the value is read from this object the first time, the query is executed.

discount_amount

A wrapper for a deferred-loading field. When the value is read from this object the first time, the query is executed.

line_total

A wrapper for a deferred-loading field. When the value is read from this object the first time, the query is executed.

ticket_type

Accessor to the related object on the forward side of a many-to-one or one-to-one (via ForwardOneToOneDescriptor subclass) relation.

In the example:

class Child(Model):
    parent = ForeignKey(Parent, related_name='children')

Child.parent is a ForwardManyToOneDescriptor instance.

addon

Accessor to the related object on the forward side of a many-to-one or one-to-one (via ForwardOneToOneDescriptor subclass) relation.

In the example:

class Child(Model):
    parent = ForeignKey(Parent, related_name='children')

Child.parent is a ForwardManyToOneDescriptor instance.

created_at

A wrapper for a deferred-loading field. When the value is read from this object the first time, the query is executed.

exception DoesNotExist

Bases: ObjectDoesNotExist

exception MultipleObjectsReturned

Bases: MultipleObjectsReturned

addon_id

get_next_by_created_at(*, field=<django.db.models.fields.DateTimeField: created_at>, is_next=True, **kwargs)

get_previous_by_created_at(*, field=<django.db.models.fields.DateTimeField: created_at>, is_next=False, **kwargs)

id

A wrapper for a deferred-loading field. When the value is read from this object the first time, the query is executed.

objects = <django.db.models.manager.Manager object>

order_id

ticket_type_id

class django_program.registration.models.Payment

Bases: Model

A payment record against an order.

Each payment represents a single financial transaction (Stripe charge, complimentary comp, credit application, or manual entry). An order may have multiple payments if it is partially refunded and re-paid.

class Method

Bases: TextChoices

Supported payment methods.

STRIPE = 'stripe'

COMP = 'comp'

CREDIT = 'credit'

MANUAL = 'manual'

__new__(value)

class Status

Bases: TextChoices

PENDING = 'pending'

PROCESSING = 'processing'

SUCCEEDED = 'succeeded'

FAILED = 'failed'

REFUNDED = 'refunded'

__new__(value)

order

Accessor to the related object on the forward side of a many-to-one or one-to-one (via ForwardOneToOneDescriptor subclass) relation.

In the example:

class Child(Model):
    parent = ForeignKey(Parent, related_name='children')

Child.parent is a ForwardManyToOneDescriptor instance.

method

A wrapper for a deferred-loading field. When the value is read from this object the first time, the query is executed.

status

A wrapper for a deferred-loading field. When the value is read from this object the first time, the query is executed.

amount

A wrapper for a deferred-loading field. When the value is read from this object the first time, the query is executed.

stripe_payment_intent_id

A wrapper for a deferred-loading field. When the value is read from this object the first time, the query is executed.

stripe_charge_id

A wrapper for a deferred-loading field. When the value is read from this object the first time, the query is executed.

reference

A wrapper for a deferred-loading field. When the value is read from this object the first time, the query is executed.

note

A wrapper for a deferred-loading field. When the value is read from this object the first time, the query is executed.

created_by

Accessor to the related object on the forward side of a many-to-one or one-to-one (via ForwardOneToOneDescriptor subclass) relation.

In the example:

class Child(Model):
    parent = ForeignKey(Parent, related_name='children')

Child.parent is a ForwardManyToOneDescriptor instance.

created_at

A wrapper for a deferred-loading field. When the value is read from this object the first time, the query is executed.

exception DoesNotExist

Bases: ObjectDoesNotExist

exception MultipleObjectsReturned

Bases: MultipleObjectsReturned

created_by_id

get_method_display(*, field=<django.db.models.fields.CharField: method>)

get_next_by_created_at(*, field=<django.db.models.fields.DateTimeField: created_at>, is_next=True, **kwargs)

get_previous_by_created_at(*, field=<django.db.models.fields.DateTimeField: created_at>, is_next=False, **kwargs)

get_status_display(*, field=<django.db.models.fields.CharField: status>)

id

A wrapper for a deferred-loading field. When the value is read from this object the first time, the query is executed.

objects = <django.db.models.manager.Manager object>

order_id

class django_program.registration.models.Credit

Bases: Model

A store credit that can be applied to future orders.

Credits are typically issued as part of a refund workflow. They are tied to a specific conference and user, and can be applied to a new order or left to expire.

class Status

Bases: TextChoices

Lifecycle states for a store credit.

AVAILABLE = 'available'

APPLIED = 'applied'

EXPIRED = 'expired'

__new__(value)

user

Accessor to the related object on the forward side of a many-to-one or one-to-one (via ForwardOneToOneDescriptor subclass) relation.

In the example:

class Child(Model):
    parent = ForeignKey(Parent, related_name='children')

Child.parent is a ForwardManyToOneDescriptor instance.

conference

Accessor to the related object on the forward side of a many-to-one or one-to-one (via ForwardOneToOneDescriptor subclass) relation.

In the example:

class Child(Model):
    parent = ForeignKey(Parent, related_name='children')

Child.parent is a ForwardManyToOneDescriptor instance.

amount

A wrapper for a deferred-loading field. When the value is read from this object the first time, the query is executed.

remaining_amount

A wrapper for a deferred-loading field. When the value is read from this object the first time, the query is executed.

status

A wrapper for a deferred-loading field. When the value is read from this object the first time, the query is executed.

applied_to_order

Accessor to the related object on the forward side of a many-to-one or one-to-one (via ForwardOneToOneDescriptor subclass) relation.

In the example:

class Child(Model):
    parent = ForeignKey(Parent, related_name='children')

Child.parent is a ForwardManyToOneDescriptor instance.

source_order

Accessor to the related object on the forward side of a many-to-one or one-to-one (via ForwardOneToOneDescriptor subclass) relation.

In the example:

class Child(Model):
    parent = ForeignKey(Parent, related_name='children')

Child.parent is a ForwardManyToOneDescriptor instance.

note

A wrapper for a deferred-loading field. When the value is read from this object the first time, the query is executed.

created_at

A wrapper for a deferred-loading field. When the value is read from this object the first time, the query is executed.

updated_at

A wrapper for a deferred-loading field. When the value is read from this object the first time, the query is executed.

save(*args, **kwargs)

Initialize remaining balance for newly created available credits.

Parameters:

• args (object)

• kwargs (object)

Return type:

None

exception DoesNotExist

Bases: ObjectDoesNotExist

exception MultipleObjectsReturned

Bases: MultipleObjectsReturned

applied_to_order_id

conference_id

get_next_by_created_at(*, field=<django.db.models.fields.DateTimeField: created_at>, is_next=True, **kwargs)

get_next_by_updated_at(*, field=<django.db.models.fields.DateTimeField: updated_at>, is_next=True, **kwargs)

get_previous_by_created_at(*, field=<django.db.models.fields.DateTimeField: created_at>, is_next=False, **kwargs)

get_previous_by_updated_at(*, field=<django.db.models.fields.DateTimeField: updated_at>, is_next=False, **kwargs)

get_status_display(*, field=<django.db.models.fields.CharField: status>)

id

A wrapper for a deferred-loading field. When the value is read from this object the first time, the query is executed.

objects = <django.db.models.manager.Manager object>

source_order_id

user_id

class django_program.registration.models.StripeCustomer

Bases: Model

Maps a Django user to a Stripe customer for a specific conference.

Each user gets a separate Stripe customer per conference since each conference may use a different Stripe account.

user

Accessor to the related object on the forward side of a many-to-one or one-to-one (via ForwardOneToOneDescriptor subclass) relation.

In the example:

class Child(Model):
    parent = ForeignKey(Parent, related_name='children')

Child.parent is a ForwardManyToOneDescriptor instance.

conference

Accessor to the related object on the forward side of a many-to-one or one-to-one (via ForwardOneToOneDescriptor subclass) relation.

In the example:

class Child(Model):
    parent = ForeignKey(Parent, related_name='children')

Child.parent is a ForwardManyToOneDescriptor instance.

stripe_customer_id

A wrapper for a deferred-loading field. When the value is read from this object the first time, the query is executed.

created_at

A wrapper for a deferred-loading field. When the value is read from this object the first time, the query is executed.

exception DoesNotExist

Bases: ObjectDoesNotExist

exception MultipleObjectsReturned

Bases: MultipleObjectsReturned

conference_id

get_next_by_created_at(*, field=<django.db.models.fields.DateTimeField: created_at>, is_next=True, **kwargs)

get_previous_by_created_at(*, field=<django.db.models.fields.DateTimeField: created_at>, is_next=False, **kwargs)

id

A wrapper for a deferred-loading field. When the value is read from this object the first time, the query is executed.

objects = <django.db.models.manager.Manager object>

user_id

class django_program.registration.models.StripeEvent

Bases: Model

A record of a Stripe webhook event for idempotent processing.

Stores the full event payload and tracks whether the event has been successfully processed by the webhook handler.

stripe_id

A wrapper for a deferred-loading field. When the value is read from this object the first time, the query is executed.

kind

A wrapper for a deferred-loading field. When the value is read from this object the first time, the query is executed.

livemode

A wrapper for a deferred-loading field. When the value is read from this object the first time, the query is executed.

payload

A wrapper for a deferred-loading field. When the value is read from this object the first time, the query is executed.

customer_id

A wrapper for a deferred-loading field. When the value is read from this object the first time, the query is executed.

processed

A wrapper for a deferred-loading field. When the value is read from this object the first time, the query is executed.

api_version

A wrapper for a deferred-loading field. When the value is read from this object the first time, the query is executed.

created_at

A wrapper for a deferred-loading field. When the value is read from this object the first time, the query is executed.

exception DoesNotExist

Bases: ObjectDoesNotExist

exception MultipleObjectsReturned

Bases: MultipleObjectsReturned

get_next_by_created_at(*, field=<django.db.models.fields.DateTimeField: created_at>, is_next=True, **kwargs)

get_previous_by_created_at(*, field=<django.db.models.fields.DateTimeField: created_at>, is_next=False, **kwargs)

id

A wrapper for a deferred-loading field. When the value is read from this object the first time, the query is executed.

objects = <django.db.models.manager.Manager object>

processing_exceptions

Accessor to the related objects manager on the reverse side of a many-to-one relation.

In the example:

class Child(Model):
    parent = ForeignKey(Parent, related_name='children')

Parent.children is a ReverseManyToOneDescriptor instance.

Most of the implementation is delegated to a dynamically defined manager class built by create_forward_many_to_many_manager() defined below.

class django_program.registration.models.EventProcessingException

Bases: Model

Records an error that occurred while processing a webhook event.

Captures the full traceback and contextual data so that failed events can be investigated and retried.

event

Accessor to the related object on the forward side of a many-to-one or one-to-one (via ForwardOneToOneDescriptor subclass) relation.

In the example:

class Child(Model):
    parent = ForeignKey(Parent, related_name='children')

Child.parent is a ForwardManyToOneDescriptor instance.

data

A wrapper for a deferred-loading field. When the value is read from this object the first time, the query is executed.

message

A wrapper for a deferred-loading field. When the value is read from this object the first time, the query is executed.

traceback

A wrapper for a deferred-loading field. When the value is read from this object the first time, the query is executed.

created_at

A wrapper for a deferred-loading field. When the value is read from this object the first time, the query is executed.

exception DoesNotExist

Bases: ObjectDoesNotExist

exception MultipleObjectsReturned

Bases: MultipleObjectsReturned

event_id

get_next_by_created_at(*, field=<django.db.models.fields.DateTimeField: created_at>, is_next=True, **kwargs)

get_previous_by_created_at(*, field=<django.db.models.fields.DateTimeField: created_at>, is_next=False, **kwargs)

id

A wrapper for a deferred-loading field. When the value is read from this object the first time, the query is executed.

objects = <django.db.models.manager.Manager object>