feat(API): user invitations and emails

internal/infrastructure/useCases/ListUsersAndInvites.go

@@ -0,0 +1,68 @@
+package useCases
+
+import (
+	"RenewCMS/internal/domain/invite"
+	"RenewCMS/internal/domain/user"
+	"sort"
+	"time"
+)
+
+const (
+	EntryKindUser   = "user"
+	EntryKindInvite = "invite"
+)
+
+type ListUsersAndInvitesUseCase struct {
+	userRepository   user.Repository
+	inviteRepository invite.Repository
+}
+
+type DirectoryEntry struct {
+	ID          uint32
+	Kind        string
+	Username    string
+	DisplayName string
+	Email       string
+	Status      string
+	CreatedAt   time.Time
+}
+
+func NewListUsersAndInvitesUseCase(userRepository user.Repository, inviteRepository invite.Repository) *ListUsersAndInvitesUseCase {
+	return &ListUsersAndInvitesUseCase{userRepository, inviteRepository}
+}
+
+func (g *ListUsersAndInvitesUseCase) ListUsersAndInvites() []DirectoryEntry {
+	now := time.Now()
+	entries := []DirectoryEntry{}
+
+	for _, existingUser := range g.userRepository.GetAll() {
+		entries = append(entries, DirectoryEntry{
+			ID:          existingUser.ID,
+			Kind:        EntryKindUser,
+			Username:    existingUser.Username,
+			DisplayName: existingUser.DisplayName,
+			Status:      string(invite.StatusAccepted),
+			CreatedAt:   existingUser.CreatedAt,
+		})
+	}
+
+	for _, existingInvite := range g.inviteRepository.GetAll() {
+		status := existingInvite.StatusAt(now)
+		if status == invite.StatusAccepted {
+			continue
+		}
+		entries = append(entries, DirectoryEntry{
+			ID:        existingInvite.ID,
+			Kind:      EntryKindInvite,
+			Email:     existingInvite.Email,
+			Status:    string(status),
+			CreatedAt: existingInvite.CreatedAt,
+		})
+	}
+
+	sort.SliceStable(entries, func(i, j int) bool {
+		return entries[i].CreatedAt.After(entries[j].CreatedAt)
+	})
+
+	return entries
+}