3 replies

manage_relationship: Get changes in related records

Invoice

Invoice

Invoice

Invoice resource has many

Item

Item

Item

Items. Every item calculates its total in a change. I want to calculate the sum of those totals in the invoice but cannot find a way to read the full items, only the input. How can I do this?

argument :items, {:array, :map}, allow_nil?: false
change manage_relationship(:items, type: :create)
change fn changeset, _context ->
  # How can I read the final items?
end)

argument :items, {:array, :map}, allow_nil?: false
change manage_relationship(:items, type: :create)
change fn changeset, _context ->
  # How can I read the final items?
end)

argument :items, {:array, :map}, allow_nil?: false
change manage_relationship(:items, type: :create)
change fn changeset, _context ->
  # How can I read the final items?
end)

argument :items, {:array, :map}, allow_nil?: false
change manage_relationship(:items, type: :create)
change fn changeset, _context ->
  # How can I read the final items?
end)

manage_relationship: Get changes in related records

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