5 replies

calculation argument does not support expressions

Ash✅Solved

I'm trying to build a calculation on a user resource that looks something like this:

expr(
  exists(
    organizations,
    manages_user(user_id: parent(id)) and
      (is_nil(^arg(:organization_id)) or id == ^arg(:organization_id))
  )
)

expr(
  exists(
    organizations,
    manages_user(user_id: parent(id)) and
      (is_nil(^arg(:organization_id)) or id == ^arg(:organization_id))
  )
)

expr(
  exists(
    organizations,
    manages_user(user_id: parent(id)) and
      (is_nil(^arg(:organization_id)) or id == ^arg(:organization_id))
  )
)

expr(
  exists(
    organizations,
    manages_user(user_id: parent(id)) and
      (is_nil(^arg(:organization_id)) or id == ^arg(:organization_id))
  )
)

Where

manages_user

manages_user

manages_user

manages_user is a calculation containiung some complex expression logic I'd really like to avoid replicating in raw ecto if possible.

As it currently stands, this breaks on

manages_user(user_id: parent(id))

manages_user(user_id: parent(id))

manages_user(user_id: parent(id))

manages_user(user_id: parent(id)) with an error

Invalid value provided for calculation argument user_id in manages_user: does not support expressions.

Invalid value provided for calculation argument user_id in manages_user: does not support expressions.

Invalid value provided for calculation argument user_id in manages_user: does not support expressions.

Invalid value provided for calculation argument user_id in manages_user: does not support expressions.

This seems like a fundamental limitation of expressions/calculations, but I'm wondering if anyone has any tips for working around this? Preferably without having to replicate my

manages_user

manages_user

manages_user

manages_user calculation logic in raw ecto

although I'm starting to think that might be the only way to approach this

calculation argument does not support expressions

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