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feat(loyalty): EnakPoint payment method

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Adds the system payment method for paying with EnakPoint
(docs/prd-point-coin.md F9, §8, §10.5, PC-303).

Migration 000094 allows the point type, keeps one per organization with a
partial unique index, creates it for every existing organization, and adds
a trigger that creates it for new ones, as the walk-in customer is. It adds
payments.points_used and point_value. Their CHECK is written so it can
never be NULL: the PRD form, (both NULL) OR (both > 0), is NULL for
points_used with a NULL point_value, which a CHECK lets through, so a
payment could have lost the value a refund depends on. A test caught it.

The API cannot create, delete or retype the EnakPoint method, nor turn
another method into one; that answers 400. Renaming it is allowed. The
method list takes the outlet from ?outlet_id= or the user's outlet and
leaves EnakPoint out when that outlet does not accept it, filtered in the
query so the count stays right. The organization-wide active list is
unchanged.

Co-Authored-By: Claude Opus 5.5 <noreply@anthropic.com>
This commit is contained in:
efrilm
2026-09-30 11:33:25 +07:00
co-authored by Claude Opus 5.5
parent fe2f459b03
commit cf5332c281
13 changed files with 274 additions and 24 deletions
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internal/contract/payment_method_contract.go
+8 -6
View File
@@ -18,7 +18,7 @@ type CreatePaymentMethodRequest struct {
type UpdatePaymentMethodRequest struct {
Name *string `json:"name,omitempty" validate:"omitempty,min=1,max=100"`
Type *string `json:"type,omitempty" validate:"omitempty,oneof=cash card digital_wallet qr edc"`
Type *string `json:"type,omitempty" validate:"omitempty,oneof=cash card digital_wallet qr edc point"`
Processor *string `json:"processor,omitempty" validate:"omitempty,max=100"`
Configuration map[string]interface{} `json:"configuration,omitempty"`
IsActive *bool `json:"is_active,omitempty"`
@@ -38,11 +38,13 @@ type PaymentMethodResponse struct {
type ListPaymentMethodsRequest struct {
OrganizationID *uuid.UUID `json:"organization_id,omitempty"`
Type *string `json:"type,omitempty" validate:"omitempty,oneof=cash card digital_wallet qr edc"`
IsActive *bool `json:"is_active,omitempty"`
Search string `json:"search,omitempty"`
Page int `json:"page" validate:"min=1"`
Limit int `json:"limit" validate:"min=1,max=100"`
// When set, EnakPoint is left out unless the outlet accepts it (F9).
OutletID *uuid.UUID `json:"outlet_id,omitempty"`
Type *string `json:"type,omitempty" validate:"omitempty,oneof=cash card digital_wallet qr edc point"`
IsActive *bool `json:"is_active,omitempty"`
Search string `json:"search,omitempty"`
Page int `json:"page" validate:"min=1"`
Limit int `json:"limit" validate:"min=1,max=100"`
}
type ListPaymentMethodsResponse struct {