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Use authorize?: false for integrity checks in validations

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Moritz 2026-01-24 01:42:15 +01:00
parent f5fe7b0fcd
commit 9cf42ff918
Signed by: moritz
GPG key ID: 1020A035E5DD0824
2 changed files with 14 additions and 31 deletions
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27
lib/membership/member.ex
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@ -393,25 +393,11 @@ defmodule Mv.Membership.Member do
user_id = user_arg[:id]
current_member_id = changeset.data.id
# Get actor from changeset context for authorization
# Use system_actor as fallback if no actor is present (for systemic operations)
actor =
case Map.get(changeset.context || %{}, :actor) do
nil -> Mv.Helpers.SystemActor.get_system_actor()
actor -> actor
end
# Check the current state of the user in the database
# Check if authorization is disabled in the parent operation's context
# Access private context where authorize? flag is stored
authorize? =
case get_in(changeset.context, [:private, :authorize?]) do
false -> false
_ -> true
end
# Pass actor and authorize? to ensure proper authorization (User might have policies in future)
case Ash.get(Mv.Accounts.User, user_id, actor: actor, authorize?: authorize?) do
# This is an integrity check, not a user authorization check
# Use authorize?: false to bypass policies for this internal validation query
# This ensures the validation always works regardless of actor availability
# (consistent with MembershipFeeType destroy validations)
case Ash.get(Mv.Accounts.User, user_id, authorize?: false) do
# User is free to be linked
{:ok, %{member_id: nil}} ->
:ok
@ -424,6 +410,9 @@ defmodule Mv.Membership.Member do
# User is linked to a different member - prevent "stealing"
{:error, field: :user, message: "User is already linked to another member"}
{:error, %Ash.Error.Query.NotFound{}} ->
{:error, field: :user, message: "User not found"}
{:error, _} ->
{:error, field: :user, message: "User not found"}
end

18
lib/membership_fees/membership_fee_type.ex
View file

@ -85,13 +85,11 @@ defmodule Mv.MembershipFees.MembershipFeeType do
if changeset.action_type == :destroy do
require Ash.Query
# Use system_actor for validation queries (systemic operation)
system_actor = Mv.Helpers.SystemActor.get_system_actor()
# Integrity check: count members without authorization (systemic operation)
member_count =
Mv.Membership.Member
|> Ash.Query.filter(membership_fee_type_id == ^changeset.data.id)
|> Ash.count!(actor: system_actor)
|> Ash.count!(authorize?: false)
if member_count > 0 do
{:error,
@ -111,13 +109,11 @@ defmodule Mv.MembershipFees.MembershipFeeType do
if changeset.action_type == :destroy do
require Ash.Query
# Use system_actor for validation queries (systemic operation)
system_actor = Mv.Helpers.SystemActor.get_system_actor()
# Integrity check: count cycles without authorization (systemic operation)
cycle_count =
Mv.MembershipFees.MembershipFeeCycle
|> Ash.Query.filter(membership_fee_type_id == ^changeset.data.id)
|> Ash.count!(actor: system_actor)
|> Ash.count!(authorize?: false)
if cycle_count > 0 do
{:error,
@ -137,13 +133,11 @@ defmodule Mv.MembershipFees.MembershipFeeType do
if changeset.action_type == :destroy do
require Ash.Query
# Use system_actor for validation queries (systemic operation)
system_actor = Mv.Helpers.SystemActor.get_system_actor()
# Integrity check: count settings without authorization (systemic operation)
setting_count =
Mv.Membership.Setting
|> Ash.Query.filter(default_membership_fee_type_id == ^changeset.data.id)
|> Ash.count!(actor: system_actor)
|> Ash.count!(authorize?: false)
if setting_count > 0 do
{:error,