wangjia
87 lines
2.6 KiB
Go
87 lines
2.6 KiB
Go
// Package fake is an in-process Provider used to exercise the pay v2 pipeline
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// end-to-end without any real channel. Real adapters (crypto/alipay/stripe) land
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// in P3. Deterministic: provider_ref = "FAKE-"+OutTradeNo; render_type = crypto_address.
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package fake
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import (
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"context"
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"encoding/json"
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"errors"
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"sync"
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"time"
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"github.com/wangjia/pay/internal/provider"
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)
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type Provider struct {
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mu sync.Mutex
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queryResults map[string]provider.PaidEvent
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}
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func New() *Provider { return &Provider{queryResults: map[string]provider.PaidEvent{}} }
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func (p *Provider) Method() string { return "fake" }
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func (p *Provider) Capabilities() provider.Capabilities {
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return provider.Capabilities{
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RenderTypes: []provider.RenderType{provider.RenderCryptoAddress},
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SupportsRefund: false,
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SettleCurrencies: []string{"USDT"},
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Regions: []string{"global"},
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}
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}
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func (p *Provider) Create(_ context.Context, req provider.CreateRequest) (*provider.Session, error) {
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exp := time.Now().Add(15 * time.Minute)
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return &provider.Session{
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ProviderRef: "FAKE-" + req.OutTradeNo,
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RenderType: provider.RenderCryptoAddress,
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Payload: map[string]any{
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"address": "TFake" + req.Account.AccountID + req.OutTradeNo,
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"amount_minor": req.AmountMinor,
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"currency": req.Currency,
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},
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ExpiresAt: &exp,
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}, nil
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}
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// VerifyCallback 解析测试注入的 JSON 回调体成归一化 PaidEvent。
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func (p *Provider) VerifyCallback(_ context.Context, in provider.CallbackInput) (*provider.PaidEvent, error) {
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var b struct {
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ProviderRef string `json:"provider_ref"`
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Status string `json:"status"`
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AmountMinor int64 `json:"amount_minor"`
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Currency string `json:"currency"`
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}
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if err := json.Unmarshal(in.Raw, &b); err != nil {
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return nil, err
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}
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if b.ProviderRef == "" {
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return nil, errors.New("fake: missing provider_ref")
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}
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return &provider.PaidEvent{
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ProviderRef: b.ProviderRef,
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Status: provider.PaidStatus(b.Status),
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PaidAmountMinor: b.AmountMinor,
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PaidCurrency: b.Currency,
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Raw: string(in.Raw),
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}, nil
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}
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func (p *Provider) Query(_ context.Context, req provider.QueryRequest) (*provider.PaidEvent, error) {
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p.mu.Lock()
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defer p.mu.Unlock()
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if ev, ok := p.queryResults[req.ProviderRef]; ok {
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e := ev
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return &e, nil
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}
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return &provider.PaidEvent{ProviderRef: req.ProviderRef, Status: provider.PaidPending}, nil
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}
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// SetQueryResult primes Query to report a specific event (test seam).
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func (p *Provider) SetQueryResult(providerRef string, ev provider.PaidEvent) {
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p.mu.Lock()
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defer p.mu.Unlock()
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p.queryResults[providerRef] = ev
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}
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