119 lines
3.8 KiB
Go
119 lines
3.8 KiB
Go
// Package profile implements a user-profile actor grain (same event-driven
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// framework as the cart, checkout, and order grains). Mutations are the proto
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// messages in proto/profile; the grain's event log is the source of truth and
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// ProfileGrain is the projection rebuilt by replaying them.
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package profile
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import (
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"encoding/json"
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"sync"
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"time"
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)
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// LinkedCart records a cart id linked to this profile.
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type LinkedCart struct {
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CartId uint64 `json:"cartId"`
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Label string `json:"label,omitempty"`
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}
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// LinkedCheckout records a checkout id linked to this profile.
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type LinkedCheckout struct {
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CheckoutId uint64 `json:"checkoutId"`
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CartId uint64 `json:"cartId"`
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}
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// LinkedOrder records an order linked to this profile.
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type LinkedOrder struct {
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OrderReference string `json:"orderReference"`
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CartId uint64 `json:"cartId"`
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Status string `json:"status,omitempty"`
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}
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// EmailPreferences controls which transactional emails a customer receives.
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// All fields default to true (opted in) when nil/omitted.
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type EmailPreferences struct {
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// OrderEmails sends order confirmations, shipping updates, receipts.
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OrderEmails *bool `json:"orderEmails,omitempty"`
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// MarketingEmails sends promotional offers, newsletters, product recommendations.
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MarketingEmails *bool `json:"marketingEmails,omitempty"`
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}
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// StoredAddress is a saved address in the user's address book.
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type StoredAddress struct {
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Id uint32 `json:"id"`
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Label string `json:"label,omitempty"`
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FullName string `json:"fullName,omitempty"`
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AddressLine1 string `json:"addressLine1"`
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AddressLine2 string `json:"addressLine2,omitempty"`
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City string `json:"city"`
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State string `json:"state,omitempty"`
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Zip string `json:"zip"`
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Country string `json:"country"`
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Phone string `json:"phone,omitempty"`
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IsDefaultShipping bool `json:"isDefaultShipping,omitempty"`
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IsDefaultBilling bool `json:"isDefaultBilling,omitempty"`
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}
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// ProfileGrain is the projected current state of a user profile. It implements
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// actor.Grain[ProfileGrain].
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type ProfileGrain struct {
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mu sync.RWMutex
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lastAccess time.Time
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lastChange time.Time
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nextAddrId uint32
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Id uint64 `json:"id"`
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Name string `json:"name,omitempty"`
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Email string `json:"email,omitempty"`
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Phone string `json:"phone,omitempty"`
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Language string `json:"language,omitempty"`
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Currency string `json:"currency,omitempty"`
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AvatarUrl string `json:"avatarUrl,omitempty"`
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Carts []LinkedCart `json:"carts,omitempty"`
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Checkouts []LinkedCheckout `json:"checkouts,omitempty"`
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Orders []LinkedOrder `json:"orders,omitempty"`
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Addresses []StoredAddress `json:"addresses,omitempty"`
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EmailPreferences *EmailPreferences `json:"emailPreferences,omitempty"`
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}
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// NewProfileGrain returns an empty profile grain for id.
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func NewProfileGrain(id uint64, ts time.Time) *ProfileGrain {
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return &ProfileGrain{
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Id: id,
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lastAccess: ts,
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lastChange: ts,
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}
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}
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// --- actor.Grain[ProfileGrain] ---
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func (p *ProfileGrain) GetId() uint64 { return p.Id }
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func (p *ProfileGrain) GetLastAccess() time.Time { return p.lastAccess }
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func (p *ProfileGrain) GetLastChange() time.Time { return p.lastChange }
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func (p *ProfileGrain) GetCurrentState() (*ProfileGrain, error) {
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p.lastAccess = time.Now()
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return p, nil
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}
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func (p *ProfileGrain) GetState() ([]byte, error) { return json.Marshal(p) }
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// NextAddrId returns the next address id and advances the counter.
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func (p *ProfileGrain) NextAddrId() uint32 {
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p.nextAddrId++
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return p.nextAddrId
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}
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// findAddress returns a pointer to the address with the given id, or nil.
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func (p *ProfileGrain) findAddress(id uint32) *StoredAddress {
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for i := range p.Addresses {
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if p.Addresses[i].Id == id {
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return &p.Addresses[i]
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}
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}
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return nil
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}
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