block-accounting/backend/internal/usecase/interactors/organizations/interactor.go

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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"
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"github.com/ethereum/go-ethereum/common"
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"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
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OwnerOnly bool
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}
type ParticipantsParams struct {
IDs uuid.UUIDs
OrganizationID uuid.UUID
PKs [][]byte
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UsersOnly bool
ActiveOnly bool
EmployeesOnly bool
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OwnerOnly bool
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}
type OrganizationsInteractor interface {
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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)
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AddEmployee(ctx context.Context, params AddParticipantParams) (models.OrganizationParticipant, error)
AddUser(ctx context.Context, params AddUserParams) error
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}
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,
PKs: params.PKs,
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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
}
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type AddParticipantParams struct {
OrganizationID uuid.UUID
EmployeeUserID uuid.UUID
Name string
Position string
WalletAddress string
}
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func (i *organizationsInteractor) AddEmployee(
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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)
}
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if !actor.IsAdmin() || !actor.IsOwner() {
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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
}
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type AddUserParams struct {
User *models.User
IsAdmin bool
IsOwner bool
OrganizationID uuid.UUID
SkipRights bool
}
func (i *organizationsInteractor) AddUser(ctx context.Context, params AddUserParams) error {
if !params.SkipRights {
user, err := ctxmeta.User(ctx)
if err != nil {
return 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 fmt.Errorf("error fetch actor. %w", err)
}
if !actor.IsAdmin() || !actor.IsOwner() {
return fmt.Errorf("error actor not an owner")
}
}
i.log.Debug(
"add user",
slog.Any("params", params),
)
if err := i.orgRepository.AddParticipant(ctx, organizations.AddParticipantParams{
OrganizationId: params.OrganizationID,
UserId: params.User.Id(),
IsAdmin: params.IsAdmin,
IsOwner: params.IsOwner,
}); err != nil {
return fmt.Errorf("error add user into organization. %w", err)
}
return nil
}