125 lines
3.6 KiB
Go
125 lines
3.6 KiB
Go
// Copyright (C) 2019 Storj Labs, Inc.
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// See LICENSE for copying information.
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package localpayments
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import (
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"context"
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"crypto/rand"
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"time"
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"github.com/zeebo/errs"
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monkit "gopkg.in/spacemonkeygo/monkit.v2"
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"storj.io/storj/satellite/payments"
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)
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var (
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// creationDate is a Storj creation date.
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creationDate = time.Date(2016, 1, 1, 0, 0, 0, 0, time.UTC)
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mon = monkit.Package()
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)
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// StorjCustomer is a predefined customer
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// which is linked with every user by default
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var storjCustomer = payments.Customer{
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ID: []byte("0"),
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Name: "Storj",
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Email: "storj@example.com",
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CreatedAt: creationDate,
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}
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// defaultPaymentMethod represents one and only payment method for local payments,
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// which attached to all customers by default
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var defaultPaymentMethod = payments.PaymentMethod{
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ID: []byte("0"),
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CustomerID: []byte("0"),
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Card: payments.Card{
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Country: "us",
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Brand: "visa",
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Name: "Storj Labs",
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ExpMonth: 12,
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ExpYear: 2024,
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LastFour: "3567",
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},
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CreatedAt: creationDate,
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}
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// internalPaymentsErr is a wrapper for local payments service errors
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var internalPaymentsErr = errs.Class("internal payments error")
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// DB is internal payment methods storage
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type DB interface {
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// TODO: add method to retrieve invoice information from project invoice stamp
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}
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// service is internal payments.Service implementation
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type service struct {
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db DB
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}
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// NewService create new instance of local payments service
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func NewService(db DB) payments.Service {
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return &service{db: db}
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}
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// CreateCustomer creates new payments.Customer with random id to satisfy unique db constraint
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func (*service) CreateCustomer(ctx context.Context, params payments.CreateCustomerParams) (_ *payments.Customer, err error) {
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defer mon.Task()(&ctx)(&err)
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var b [8]byte
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_, err = rand.Read(b[:])
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if err != nil {
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return nil, internalPaymentsErr.New("error creating customer")
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}
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return &payments.Customer{
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ID: b[:],
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}, nil
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}
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// GetCustomer always returns default storjCustomer
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func (*service) GetCustomer(ctx context.Context, id []byte) (_ *payments.Customer, err error) {
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defer mon.Task()(&ctx)(&err)
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return &storjCustomer, nil
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}
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// GetCustomerDefaultPaymentMethod always returns defaultPaymentMethod
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func (*service) GetCustomerDefaultPaymentMethod(ctx context.Context, customerID []byte) (_ *payments.PaymentMethod, err error) {
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defer mon.Task()(&ctx)(&err)
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return &defaultPaymentMethod, nil
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}
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// GetCustomerPaymentsMethods always returns payments.Customer list with defaultPaymentMethod
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func (*service) GetCustomerPaymentsMethods(ctx context.Context, customerID []byte) (_ []payments.PaymentMethod, err error) {
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defer mon.Task()(&ctx)(&err)
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return []payments.PaymentMethod{defaultPaymentMethod}, nil
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}
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// GetPaymentMethod always returns defaultPaymentMethod or error
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func (*service) GetPaymentMethod(ctx context.Context, id []byte) (_ *payments.PaymentMethod, err error) {
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defer mon.Task()(&ctx)(&err)
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if string(id) == "0" {
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return &defaultPaymentMethod, nil
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}
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return nil, internalPaymentsErr.New("only one payments method exists, with id \"0\"")
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}
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// CreateProjectInvoice creates invoice from provided params
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func (*service) CreateProjectInvoice(ctx context.Context, params payments.CreateProjectInvoiceParams) (_ *payments.Invoice, err error) {
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defer mon.Task()(&ctx)(&err)
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// TODO: fill data
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return &payments.Invoice{}, nil
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}
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// GetInvoice retrieves invoice information from project invoice stamp by invoice id
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// and returns invoice
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func (*service) GetInvoice(ctx context.Context, id []byte) (_ *payments.Invoice, err error) {
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defer mon.Task()(&ctx)(&err)
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// TODO: get project invoice stamp by invoice id from the db and fill data
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return &payments.Invoice{}, nil
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}
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