7 replies

Multiple Tenant Resources

In my app, I have two tenant resources:

Organization

Organization

and

Establishment

Establishment

. I'm using the new

scope

scope

feature and the value for

current_tenant

current_tenant

is a map containing both tenants. I need to provide an

Ash.ToTenant

Ash.ToTenant

implementation that extracts the correct tenant depending on the resource being queried.

I've tried this:

# organization.ex
defimpl Ash.ToTenant do
  def to_tenant(%{organization: %{id: id}}, _resource), do: id
  def to_tenant(%{id: id}, _resource), do: id
  def to_tenant(id, _resource) when is_binary(id), do: id
end

# organization.ex
defimpl Ash.ToTenant do
  def to_tenant(%{organization: %{id: id}}, _resource), do: id
  def to_tenant(%{id: id}, _resource), do: id
  def to_tenant(id, _resource) when is_binary(id), do: id
end

# establishment.ex
defimpl Ash.ToTenant do
  def to_tenant(%{establishment: %{id: id}}, _resource), do: id
  def to_tenant(%{id: id}, _resource), do: id
  def to_tenant(id, _resource) when is_binary(id), do: id
end

# establishment.ex
defimpl Ash.ToTenant do
  def to_tenant(%{establishment: %{id: id}}, _resource), do: id
  def to_tenant(%{id: id}, _resource), do: id
  def to_tenant(id, _resource) when is_binary(id), do: id
end

But I'm getting the following error:

[error] ** (Protocol.UndefinedError) protocol Ash.ToTenant not implemented for type Map

[error] ** (Protocol.UndefinedError) protocol Ash.ToTenant not implemented for type Map

And when I provide implementations for the

Map

Map

type:

# organization.ex
defimpl Ash.ToTenant, for: Map do
  def to_tenant(%{organization: %{id: id}}, _resource), do: id
end

# establishment.ex
defimpl Ash.ToTenant, for: Map do
  def to_tenant(%{establishment: %{id: id}}, _resource), do: id
end

# organization.ex
defimpl Ash.ToTenant, for: Map do
  def to_tenant(%{organization: %{id: id}}, _resource), do: id
end

# establishment.ex
defimpl Ash.ToTenant, for: Map do
  def to_tenant(%{establishment: %{id: id}}, _resource), do: id
end

It works but, I get the following warning:

    warning: redefining module Ash.ToTenant.Map (current version loaded from _build/dev/lib/lamashka/ebin/Elixir.Ash.ToTenant.Map.beam)
    │
 94 │   defimpl Ash.ToTenant, for: Map do
    │   ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
    │
    └─ lib/lamashka/establishments/establishment.ex:94: Ash.ToTenant.Map (module)

    warning: redefining module Ash.ToTenant.Map (current version loaded from _build/dev/lib/lamashka/ebin/Elixir.Ash.ToTenant.Map.beam)
    │
 94 │   defimpl Ash.ToTenant, for: Map do
    │   ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
    │
    └─ lib/lamashka/establishments/establishment.ex:94: Ash.ToTenant.Map (module)

Should I just ignore it, or is there a better approach to this?

Ash Framework•8mo ago•

7 replies

Joan Gavelán

Multiple Tenant Resources

In my app, I have two tenant resources:

Organization

Organization

and

Establishment

Establishment

. I'm using the new

scope

scope

feature and the value for

current_tenant

current_tenant

is a map containing both tenants. I need to provide an

Ash.ToTenant

Ash.ToTenant

implementation that extracts the correct tenant depending on the resource being queried.

I've tried this:

# organization.ex
defimpl Ash.ToTenant do
  def to_tenant(%{organization: %{id: id}}, _resource), do: id
  def to_tenant(%{id: id}, _resource), do: id
  def to_tenant(id, _resource) when is_binary(id), do: id
end

# organization.ex
defimpl Ash.ToTenant do
  def to_tenant(%{organization: %{id: id}}, _resource), do: id
  def to_tenant(%{id: id}, _resource), do: id
  def to_tenant(id, _resource) when is_binary(id), do: id
end

# establishment.ex
defimpl Ash.ToTenant do
  def to_tenant(%{establishment: %{id: id}}, _resource), do: id
  def to_tenant(%{id: id}, _resource), do: id
  def to_tenant(id, _resource) when is_binary(id), do: id
end

# establishment.ex
defimpl Ash.ToTenant do
  def to_tenant(%{establishment: %{id: id}}, _resource), do: id
  def to_tenant(%{id: id}, _resource), do: id
  def to_tenant(id, _resource) when is_binary(id), do: id
end

But I'm getting the following error:

[error] ** (Protocol.UndefinedError) protocol Ash.ToTenant not implemented for type Map

[error] ** (Protocol.UndefinedError) protocol Ash.ToTenant not implemented for type Map

And when I provide implementations for the

Map

Map

type:

# organization.ex
defimpl Ash.ToTenant, for: Map do
  def to_tenant(%{organization: %{id: id}}, _resource), do: id
end

# establishment.ex
defimpl Ash.ToTenant, for: Map do
  def to_tenant(%{establishment: %{id: id}}, _resource), do: id
end

# organization.ex
defimpl Ash.ToTenant, for: Map do
  def to_tenant(%{organization: %{id: id}}, _resource), do: id
end

# establishment.ex
defimpl Ash.ToTenant, for: Map do
  def to_tenant(%{establishment: %{id: id}}, _resource), do: id
end

It works but, I get the following warning:

    warning: redefining module Ash.ToTenant.Map (current version loaded from _build/dev/lib/lamashka/ebin/Elixir.Ash.ToTenant.Map.beam)
    │
 94 │   defimpl Ash.ToTenant, for: Map do
    │   ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
    │
    └─ lib/lamashka/establishments/establishment.ex:94: Ash.ToTenant.Map (module)

    warning: redefining module Ash.ToTenant.Map (current version loaded from _build/dev/lib/lamashka/ebin/Elixir.Ash.ToTenant.Map.beam)
    │
 94 │   defimpl Ash.ToTenant, for: Map do
    │   ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
    │
    └─ lib/lamashka/establishments/establishment.ex:94: Ash.ToTenant.Map (module)

Should I just ignore it, or is there a better approach to this?

Multiple Tenant Resources

Multiple Tenant Resources

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