/
usecase.go
122 lines (104 loc) · 2.99 KB
/
usecase.go
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package interactor
import (
"context"
"github.com/reearth/reearth/server/internal/usecase"
"github.com/reearth/reearth/server/internal/usecase/interfaces"
"github.com/reearth/reearth/server/internal/usecase/repo"
"github.com/reearth/reearth/server/pkg/id"
"github.com/reearth/reearthx/account/accountdomain"
"github.com/reearth/reearthx/usecasex"
)
const retry = 2
type uc struct {
tx bool
readableWorkspaces accountdomain.WorkspaceIDList
writableWorkspaces accountdomain.WorkspaceIDList
readableScenes id.SceneIDList
writableScenes id.SceneIDList
}
func Usecase() *uc {
return &uc{}
}
func (u *uc) WithReadableWorkspaces(ids ...accountdomain.WorkspaceID) *uc {
u.readableWorkspaces = accountdomain.WorkspaceIDList(ids).Clone()
return u
}
func (u *uc) WithWritableWorkspaces(ids ...accountdomain.WorkspaceID) *uc {
u.writableWorkspaces = accountdomain.WorkspaceIDList(ids).Clone()
return u
}
func (u *uc) WithReadablScenes(ids ...id.SceneID) *uc {
u.readableScenes = id.SceneIDList(ids).Clone()
return u
}
func (u *uc) WithWritableScenes(ids ...id.SceneID) *uc {
u.writableScenes = id.SceneIDList(ids).Clone()
return u
}
func (u *uc) Transaction() *uc {
u.tx = true
return u
}
func Run0(ctx context.Context, op *usecase.Operator, r *repo.Container, e *uc, f func(ctx context.Context) error) (err error) {
_, _, _, err = Run3(
ctx, op, r, e,
func(ctx context.Context) (_, _, _ any, err error) {
err = f(ctx)
return
})
return
}
func Run1[A any](ctx context.Context, op *usecase.Operator, r *repo.Container, e *uc, f func(ctx context.Context) (A, error)) (a A, err error) {
a, _, _, err = Run3(
ctx, op, r, e,
func(ctx context.Context) (a A, _, _ any, err error) {
a, err = f(ctx)
return
})
return
}
func Run2[A, B any](ctx context.Context, op *usecase.Operator, r *repo.Container, e *uc, f func(ctx context.Context) (A, B, error)) (a A, b B, err error) {
a, b, _, err = Run3(
ctx, op, r, e,
func(ctx context.Context) (a A, b B, _ any, err error) {
a, b, err = f(ctx)
return
})
return
}
func Run3[A, B, C any](ctx context.Context, op *usecase.Operator, r *repo.Container, e *uc, f func(ctx context.Context) (A, B, C, error)) (a A, b B, c C, err error) {
if err = e.checkPermission(op); err != nil {
return
}
var t usecasex.Transaction
if e.tx && r.Transaction != nil {
t = r.Transaction
}
err = usecasex.DoTransaction(ctx, t, retry, func(ctx context.Context) error {
a, b, c, err = f(ctx)
return err
})
return
}
func (u *uc) checkPermission(op *usecase.Operator) error {
if op == nil {
return nil
}
ok := true
if u.readableWorkspaces != nil {
ok = op.IsReadableWorkspace(u.readableWorkspaces...)
}
if ok && u.writableWorkspaces != nil {
ok = op.IsWritableWorkspace(u.writableWorkspaces...)
}
if ok && u.readableScenes != nil {
ok = op.IsReadableScene(u.readableScenes...)
}
if ok && u.writableScenes != nil {
ok = op.IsWritableScene(u.writableScenes...)
}
if !ok {
return interfaces.ErrOperationDenied
}
return nil
}