package organizations import ( "context" "encoding/base64" "encoding/json" "errors" "fmt" "log/slog" "time" "github.com/emochka2007/block-accounting/internal/pkg/ctxmeta" "github.com/emochka2007/block-accounting/internal/pkg/hdwallet" "github.com/emochka2007/block-accounting/internal/pkg/logger" "github.com/emochka2007/block-accounting/internal/pkg/models" "github.com/emochka2007/block-accounting/internal/usecase/repository/cache" "github.com/emochka2007/block-accounting/internal/usecase/repository/organizations" "github.com/ethereum/go-ethereum/common" "github.com/google/uuid" ) var ( ErrorUnauthorizedAccess = errors.New("unauthorized access") ) type CreateParams struct { Name string Address string WalletMnemonic string } type ListParams struct { Ids uuid.UUIDs UserId uuid.UUID Cursor string Limit uint8 // Max limit is 50 (may change) } type ParticipantParams struct { ID uuid.UUID OrganizationID uuid.UUID UsersOnly bool ActiveOnly bool EmployeesOnly bool } type ParticipantsParams struct { IDs uuid.UUIDs OrganizationID uuid.UUID UsersOnly bool ActiveOnly bool EmployeesOnly bool } type OrganizationsInteractor interface { Create(ctx context.Context, params CreateParams) (*models.Organization, error) List(ctx context.Context, params ListParams) (*ListResponse, error) Participant(ctx context.Context, params ParticipantParams) (models.OrganizationParticipant, error) Participants(ctx context.Context, params ParticipantsParams) ([]models.OrganizationParticipant, error) AddParticipant(ctx context.Context, params AddParticipantParams) (models.OrganizationParticipant, error) } type organizationsInteractor struct { log *slog.Logger orgRepository organizations.Repository cache cache.Cache } func NewOrganizationsInteractor( log *slog.Logger, orgRepository organizations.Repository, cache cache.Cache, ) OrganizationsInteractor { return &organizationsInteractor{ log: log, orgRepository: orgRepository, cache: cache, } } type organizationsListCursor struct { Id uuid.UUID `json:"id"` } func newOrganizationsListCursor(id ...uuid.UUID) *organizationsListCursor { if len(id) > 0 { return &organizationsListCursor{id[0]} } return new(organizationsListCursor) } func (c *organizationsListCursor) encode() (string, error) { data, err := json.Marshal(c) if err != nil { return "", fmt.Errorf("couldn't marshal reaction id. %w", err) } return base64.StdEncoding.EncodeToString(data), nil } func (c *organizationsListCursor) decode(s string) error { if c == nil { return nil } token, err := base64.StdEncoding.DecodeString(s) if err != nil { return fmt.Errorf("error decode token. %w", err) } return json.Unmarshal(token, c) } type ListResponse struct { Organizations models.Organizations NextCursor string } func (i ListResponse) MarshalBinary() ([]byte, error) { return json.Marshal(i) } func (i *organizationsInteractor) List( ctx context.Context, params ListParams, ) (*ListResponse, error) { user, err := ctxmeta.User(ctx) if err != nil { return nil, fmt.Errorf("error fetch user from context. %w", err) } if params.UserId != uuid.Nil { if params.UserId != user.Id() { return nil, fmt.Errorf("error unauthorized organizations list access. %w", ErrorUnauthorizedAccess) } } else { params.UserId = user.Id() } out := new(ListResponse) // BUG: empty org set fetched from cache // if err := i.cache.Get(ctx, params, out); err != nil && errors.Is(err, redis.Nil) { // i.log.Error("no cache hit!", logger.Err(err)) // } else { // i.log.Debug("cache hit!", slog.AnyValue(out)) // return out, nil // } if params.Limit <= 0 || params.Limit > 50 { params.Limit = 50 } cursor := newOrganizationsListCursor() if params.Cursor != "" { if err := cursor.decode(params.Cursor); err != nil { return nil, fmt.Errorf("error decode cursor value. %w", err) // maybe just log error? } } i.log.Debug( "organizations_list", slog.String("cursor", params.Cursor), slog.Int("limit", int(params.Limit)), slog.Any("cursor-id", cursor.Id), slog.Any("ids", params.Ids), slog.Any("user_id", params.UserId), ) orgs, err := i.orgRepository.Get(ctx, organizations.GetParams{ UserId: params.UserId, Ids: params.Ids, Limit: int64(params.Limit), CursorId: cursor.Id, }) if err != nil { return nil, fmt.Errorf("error fetch organizations. %w", err) } var nextCursor string if len(orgs) >= 50 || len(orgs) >= int(params.Limit) { cursor.Id = orgs[len(orgs)-1].ID if nextCursor, err = cursor.encode(); err != nil { return nil, fmt.Errorf("error encode next page token. %w", err) // maybe just log error? } } out = &ListResponse{ Organizations: orgs, NextCursor: nextCursor, } if err = i.cache.Cache(ctx, params, *out, time.Hour*1); err != nil { i.log.Error("error add cache record", logger.Err(err)) } return out, nil } func (i *organizationsInteractor) Create( ctx context.Context, params CreateParams, ) (*models.Organization, error) { var walletSeed []byte user, err := ctxmeta.User(ctx) if err != nil { return nil, fmt.Errorf("error fetch user from context. %w", err) } if params.WalletMnemonic == "" { walletSeed = user.Seed() } else { seed, err := hdwallet.NewSeedFromMnemonic(params.WalletMnemonic) if err != nil { return nil, fmt.Errorf("error convert organization wallet mnemonic into a seed. %w", err) } walletSeed = seed } org := models.Organization{ ID: uuid.Must(uuid.NewV7()), Name: params.Name, Address: params.Address, WalletSeed: walletSeed, CreatedAt: time.Now(), UpdatedAt: time.Now(), } if err := i.orgRepository.CreateAndAdd(ctx, org, user); err != nil { return nil, fmt.Errorf("error create new organization. %w", err) } return &org, nil } func (i *organizationsInteractor) Participant( ctx context.Context, params ParticipantParams, ) (models.OrganizationParticipant, error) { participants, err := i.Participants(ctx, ParticipantsParams{ IDs: uuid.UUIDs{params.ID}, OrganizationID: params.OrganizationID, ActiveOnly: params.ActiveOnly, UsersOnly: params.UsersOnly, EmployeesOnly: params.EmployeesOnly, }) if err != nil { return nil, fmt.Errorf("error fetch organization participant. %w", err) } if len(participants) == 0 { return nil, fmt.Errorf("error organization participant empty. %w", err) } return participants[0], nil } func (i *organizationsInteractor) Participants( ctx context.Context, params ParticipantsParams, ) ([]models.OrganizationParticipant, error) { user, err := ctxmeta.User(ctx) if err != nil { return nil, fmt.Errorf("error fetch user from context. %w", err) } _, err = i.orgRepository.Participants(ctx, organizations.ParticipantsParams{ Ids: uuid.UUIDs{user.Id()}, OrganizationId: params.OrganizationID, ActiveOnly: params.ActiveOnly, UsersOnly: true, }) if err != nil { return nil, errors.Join( fmt.Errorf("error fetch organization user. %w", err), ErrorUnauthorizedAccess, ) } participants, err := i.orgRepository.Participants(ctx, organizations.ParticipantsParams{ Ids: params.IDs, OrganizationId: params.OrganizationID, UsersOnly: params.UsersOnly, EmployeesOnly: params.EmployeesOnly, ActiveOnly: params.ActiveOnly, }) if err != nil { return nil, fmt.Errorf("error fetch organization participants. %w", err) } return participants, nil } type AddParticipantParams struct { OrganizationID uuid.UUID EmployeeUserID uuid.UUID Name string Position string WalletAddress string } func (i *organizationsInteractor) AddParticipant( ctx context.Context, params AddParticipantParams, ) (models.OrganizationParticipant, error) { user, err := ctxmeta.User(ctx) if err != nil { return nil, fmt.Errorf("error fetch user from context. %w", err) } actor, err := i.Participant(ctx, ParticipantParams{ ID: user.Id(), OrganizationID: params.OrganizationID, ActiveOnly: true, UsersOnly: true, }) if err != nil { return nil, fmt.Errorf("error fetch actor. %w", err) } if !actor.IsOwner() { return nil, fmt.Errorf("error actor not an owner") } if !common.IsHexAddress(params.WalletAddress) { return nil, fmt.Errorf("error invalid address") } participantID := uuid.Must(uuid.NewV7()) empl := models.Employee{ ID: participantID, EmployeeName: params.Name, UserID: params.EmployeeUserID, OrganizationId: params.OrganizationID, WalletAddress: common.FromHex(params.WalletAddress), CreatedAt: time.Now(), UpdatedAt: time.Now(), } if err = i.orgRepository.AddEmployee(ctx, empl); err != nil { return nil, fmt.Errorf("error add new employee. %w", err) } return &empl, nil }