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fix n+1 queries with invite card
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shibao
2023-03-18 13:46:26 -04:00
parent 8f288afeb9
commit 0d4deb6805
16 changed files with 164 additions and 293 deletions
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20
lib/memex/accounts/invites.ex
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@ -100,13 +100,23 @@ defmodule Memex.Accounts.Invites do
end
end
@spec get_use_count(Invite.t(), User.t()) :: non_neg_integer()
def get_use_count(%Invite{id: invite_id}, %User{role: :admin}) do
Repo.one(
@spec get_use_count(Invite.t(), User.t()) :: non_neg_integer() | nil
def get_use_count(%Invite{id: invite_id} = invite, user) do
[invite] |> get_use_counts(user) |> Map.get(invite_id)
end
@spec get_use_counts([Invite.t()], User.t()) ::
%{optional(Invite.id()) => non_neg_integer()}
def get_use_counts(invites, %User{role: :admin}) do
invite_ids = invites |> Enum.map(fn %{id: invite_id} -> invite_id end)
Repo.all(
from u in User,
where: u.invite_id == ^invite_id,
select: count(u.id)
where: u.invite_id in ^invite_ids,
group_by: u.invite_id,
select: {u.invite_id, count(u.id)}
)
|> Map.new()
end
@spec decrement_invite_changeset(Invite.t()) :: Invite.changeset()