Add backend foundation and config-driven workbench

backend/internal/service/profile_service.go

@@ -0,0 +1,119 @@
+package service
+
+import (
+	"context"
+	"net/http"
+
+	"cmr-backend/internal/apperr"
+	"cmr-backend/internal/store/postgres"
+)
+
+type ProfileService struct {
+	store *postgres.Store
+}
+
+type ProfileResult struct {
+	User struct {
+		ID        string  `json:"id"`
+		PublicID  string  `json:"publicId"`
+		Status    string  `json:"status"`
+		Nickname  *string `json:"nickname,omitempty"`
+		AvatarURL *string `json:"avatarUrl,omitempty"`
+	} `json:"user"`
+	Bindings struct {
+		HasMobile      bool                 `json:"hasMobile"`
+		HasWechatMini  bool                 `json:"hasWechatMini"`
+		HasWechatUnion bool                 `json:"hasWechatUnion"`
+		Items          []ProfileBindingItem `json:"items"`
+	} `json:"bindings"`
+	RecentSessions []EntrySessionSummary `json:"recentSessions"`
+}
+
+type ProfileBindingItem struct {
+	IdentityType string  `json:"identityType"`
+	Provider     string  `json:"provider"`
+	Status       string  `json:"status"`
+	CountryCode  *string `json:"countryCode,omitempty"`
+	Mobile       *string `json:"mobile,omitempty"`
+	MaskedLabel  string  `json:"maskedLabel"`
+}
+
+func NewProfileService(store *postgres.Store) *ProfileService {
+	return &ProfileService{store: store}
+}
+
+func (s *ProfileService) GetProfile(ctx context.Context, userID string) (*ProfileResult, error) {
+	if userID == "" {
+		return nil, apperr.New(http.StatusUnauthorized, "unauthorized", "user is required")
+	}
+
+	user, err := s.store.GetUserByID(ctx, s.store.Pool(), userID)
+	if err != nil {
+		return nil, err
+	}
+	if user == nil {
+		return nil, apperr.New(http.StatusNotFound, "user_not_found", "user not found")
+	}
+
+	identities, err := s.store.ListIdentitiesByUserID(ctx, userID)
+	if err != nil {
+		return nil, err
+	}
+
+	sessions, err := s.store.ListSessionsByUserID(ctx, userID, 5)
+	if err != nil {
+		return nil, err
+	}
+
+	result := &ProfileResult{}
+	result.User.ID = user.ID
+	result.User.PublicID = user.PublicID
+	result.User.Status = user.Status
+	result.User.Nickname = user.Nickname
+	result.User.AvatarURL = user.AvatarURL
+
+	for _, identity := range identities {
+		item := ProfileBindingItem{
+			IdentityType: identity.IdentityType,
+			Provider:     identity.Provider,
+			Status:       identity.Status,
+			CountryCode:  identity.CountryCode,
+			Mobile:       identity.Mobile,
+			MaskedLabel:  maskIdentity(identity),
+		}
+		result.Bindings.Items = append(result.Bindings.Items, item)
+
+		switch identity.Provider {
+		case "mobile":
+			result.Bindings.HasMobile = true
+		case "wechat_mini":
+			result.Bindings.HasWechatMini = true
+		case "wechat_unionid":
+			result.Bindings.HasWechatUnion = true
+		}
+	}
+
+	for i := range sessions {
+		result.RecentSessions = append(result.RecentSessions, buildEntrySessionSummary(&sessions[i]))
+	}
+
+	return result, nil
+}
+
+func maskIdentity(identity postgres.LoginIdentity) string {
+	if identity.Provider == "mobile" && identity.Mobile != nil {
+		value := *identity.Mobile
+		if len(value) >= 7 {
+			return value[:3] + "****" + value[len(value)-4:]
+		}
+		return value
+	}
+
+	if identity.Provider == "wechat_mini" {
+		return "WeChat Mini bound"
+	}
+	if identity.Provider == "wechat_unionid" {
+		return "WeChat Union bound"
+	}
+	return identity.Provider
+}