Packages

ash_postgres

0.1.1-rc.0
2.10.0 2.9.1 2.9.0 2.8.0 2.7.0 2.6.32 2.6.31 2.6.30 2.6.29 2.6.28 2.6.27 2.6.26 2.6.25 2.6.24 2.6.23 2.6.22 2.6.21 2.6.20 2.6.19 2.6.18 2.6.17 2.6.16 2.6.15 2.6.14 2.6.13 2.6.12 2.6.11 2.6.10 2.6.9 2.6.8 2.6.7 2.6.6 2.6.5 2.6.4 2.6.3 2.6.2 2.6.1 2.6.0 2.5.22 2.5.21 2.5.20 2.5.19 2.5.18 2.5.17 2.5.16 2.5.15 2.5.14 2.5.13 2.5.12 2.5.11 2.5.10 2.5.9 2.5.8 2.5.7 2.5.6 2.5.5 2.5.4 2.5.3 2.5.2 2.5.1 2.5.0 2.4.21 2.4.20 2.4.19 2.4.18 2.4.17 2.4.16 2.4.15 2.4.14 2.4.13 2.4.12 2.4.11 2.4.10 2.4.9 2.4.8 2.4.7 2.4.6 2.4.5 2.4.4 2.4.3 2.4.2 2.4.1 2.4.0 2.3.1 2.3.0 2.2.5 2.2.4 2.2.3 2.2.2 2.2.1 2.2.0 2.1.19 2.1.18 2.1.17 2.1.15 2.1.14 2.1.13 2.1.12 2.1.11 2.1.10 2.1.9 2.1.8 2.1.6 2.1.5 2.1.4 2.1.3 2.1.2 2.1.1 2.1.0 2.0.12 2.0.11 2.0.10 2.0.9 2.0.8 2.0.7 2.0.6 2.0.5 2.0.4 2.0.3 2.0.2 2.0.1 2.0.0 2.0.0-rc.15 2.0.0-rc.14 2.0.0-rc.13 2.0.0-rc.12 2.0.0-rc.11 2.0.0-rc.10 2.0.0-rc.9 2.0.0-rc.8 2.0.0-rc.7 2.0.0-rc.6 2.0.0-rc.5 2.0.0-rc.4 2.0.0-rc.3 2.0.0-rc.2 2.0.0-rc.1 2.0.0-rc.0 1.5.30 1.5.29 1.5.28 1.5.27 1.5.26 1.5.25 1.5.24 1.5.23 1.5.22 1.5.21 1.5.20 1.5.19 1.5.18 1.5.17 1.5.16 1.5.15 1.5.14 1.5.13 1.5.12 1.5.11 1.5.10 1.5.9 1.5.8 1.5.7 1.5.6 1.5.5 1.5.4 1.5.3 1.5.2 1.5.1 1.5.0 1.4.0 1.3.68 1.3.67 1.3.66 1.3.65 1.3.64 1.3.63 1.3.62 1.3.61 1.3.60 1.3.59 1.3.58 1.3.56 1.3.55 1.3.54 1.3.53 1.3.52 1.3.51 1.3.50 1.3.49 1.3.48 1.3.47 1.3.46 1.3.45 1.3.44 1.3.43 1.3.42 1.3.41 1.3.40 1.3.39 1.3.38 1.3.37 1.3.36 1.3.35 1.3.34 1.3.33 1.3.32 1.3.31 1.3.30 1.3.29 1.3.28 1.3.26 1.3.25 1.3.24 1.3.23 1.3.22 1.3.21 1.3.20 1.3.19 1.3.18 1.3.17 1.3.16 1.3.15 1.3.14 1.3.12 1.3.11 1.3.10 1.3.9 1.3.8 1.3.6 1.3.5 1.3.4 1.3.3 1.3.2 1.3.1 1.3.0 1.3.0-rc.4 1.3.0-rc.3 1.3.0-rc.2 1.3.0-rc.0 1.2.6 1.2.5 1.2.4 1.2.3 1.2.2 1.2.1 1.2.0 1.2.0-rc.1 1.2.0-rc.0 1.1.3 1.1.2 1.1.1 1.1.0 1.0.0 1.0.0-rc.9 1.0.0-rc.8 1.0.0-rc.7 1.0.0-rc.6 1.0.0-rc.5 1.0.0-rc.4 1.0.0-rc.3 1.0.0-rc.2 1.0.0-rc.1 1.0.0-rc.0 1.0.0-pre.3 1.0.0-pre.2 1.0.0-pre.1 1.0.0-pre.0 0.43.0 0.42.0-rc.7 0.42.0-rc.6 0.42.0-rc.5 0.42.0-rc.4 0.42.0-rc.3 0.42.0-rc.1 0.42.0-rc.0 0.41.7 0.41.6 0.41.5 0.41.4 0.41.3 0.41.2 0.41.1 0.41.0-rc0 retired 0.41.0-rc.9 0.41.0-rc.8 0.41.0-rc.7 0.41.0-rc.6 0.41.0-rc.5 0.41.0-rc.4 0.41.0-rc.3 0.41.0-rc.2 0.41.0-rc.1 0.41.0-rc.0 0.40.11 0.40.10 0.40.9 0.40.8 0.40.7 0.40.6 0.40.5 0.40.4 0.40.3 0.40.2 0.40.1 0.40.0-rc5 0.40.0-rc4 0.40.0-rc3 0.40.0-rc2 0.40.0-rc1 0.39.0-rc0 0.38.11 0.38.10 0.38.9 0.38.8 0.38.7 0.38.6 0.38.5 0.38.4 0.38.3 0.38.2 0.38.1 0.38.0 0.37.8 0.37.7 0.37.6 0.37.5 0.37.4 0.37.3 0.37.2 0.37.1 0.37.0 0.36.5 0.36.4 0.36.3 0.36.2 0.36.1 0.36.0 0.35.5 0.35.4 0.35.3 0.35.1 0.34.5 0.34.4 0.34.3 0.34.2 0.34.1 0.34.0 0.33.1 0.33.0 0.32.2 0.32.1 0.32.0 0.31.1 0.30.1 0.29.6 0.29.5 0.29.4 0.29.3 0.29.2 0.29.1 0.28.1 0.28.0 0.27.0 0.26.2 0.26.1 0.26.0 0.25.5 0.25.4 0.25.3 0.25.2 0.25.1 0.25.0 0.24.0 0.23.2 0.23.1 0.23.0 0.22.1 0.22.0 0.21.0 0.20.1 0.20.0 0.19.0 0.18.0 0.17.0 0.16.1 0.15.0 0.14.0 0.13.0 0.12.1 0.12.0 0.11.2 0.10.0 0.9.0 0.8.0 0.7.0 0.6.0 0.5.0 0.4.0 0.3.0 0.2.1 0.2.0 0.1.4 0.1.3 0.1.2 0.1.1 0.1.1-rc.2 0.1.1-rc.1 0.1.1-rc.0 0.1.0

The PostgreSQL data layer for Ash Framework

Current section

Files

Jump to
ash_postgres lib ash_archival resource transformers setup_archival.ex
Raw

lib/ash_archival/resource/transformers/setup_archival.ex

defmodule AshArchival.Resource.Transformers.SetupArchival do
@moduledoc "Sets up the required resource structure for archival"
use Ash.Dsl.Transformer
@after_transformers [
Ash.Resource.Transformers.ValidatePrimaryActions
]
@before_transformers [
Ash.Resource.Transformers.DefaultAccept,
Ash.Resource.Transformers.SetTypes
]
alias Ash.Dsl.Transformer
def transform(resource, dsl_state) do
if Ash.Resource.Info.embedded?(resource) do
{:ok, dsl_state}
else
dsl_state
|> add_archived_at()
|> update_destroy_actions()
|> add_base_filter()
|> add_base_filter_sql()
end
end
def after?(transformer) when transformer in @after_transformers, do: true
def after?(_), do: false
def before?(transformer) when transformer in @before_transformers, do: true
def before?(_), do: false
defp add_archived_at(dsl_state) do
with {:ok, archived_at} <-
Transformer.build_entity(Ash.Resource.Dsl, [:attributes], :attribute,
name: :archived_at,
type: :utc_datetime_usec,
private?: true,
allow_nil?: true
) do
{:ok, Transformer.add_entity(dsl_state, [:attributes], archived_at)}
end
end
defp update_destroy_actions({:ok, dsl_state}) do
dsl_state
|> Transformer.get_entities([:actions])
|> Enum.filter(&(&1.type == :destroy))
|> Enum.reduce({:ok, dsl_state}, fn destroy_action, {:ok, dsl_state} ->
with {:ok, set_archived_at} <-
Transformer.build_entity(Ash.Resource.Dsl, [:actions, :destroy], :change,
change:
Ash.Resource.Change.Builtins.set_attribute(:archived_at, &DateTime.utc_now/0)
),
{:ok, archive_related} <-
Transformer.build_entity(Ash.Resource.Dsl, [:actions, :destroy], :change,
change: {AshArchival.Resource.Changes.ArchiveRelated, []}
) do
new_action = %{
destroy_action
| soft?: true,
changes: [set_archived_at, archive_related | destroy_action.changes]
}
{:ok,
Transformer.replace_entity(
dsl_state,
[:actions],
new_action,
&(&1.name == destroy_action.name)
)}
end
end)
end
defp update_destroy_actions({:error, error}), do: {:error, error}
defp add_base_filter({:ok, dsl_state}) do
case Transformer.get_option(dsl_state, [:resource], :base_filter) do
nil ->
{:ok, Transformer.set_option(dsl_state, [:resource], :base_filter, is_nil: :archived_at)}
value ->
{:ok,
Transformer.set_option(dsl_state, [:resource], :base_filter,
and: [[is_nil: :archived_at], value]
)}
end
end
defp add_base_filter({:error, error}) do
{:error, error}
end
defp add_base_filter_sql({:ok, dsl_state}) do
case Transformer.get_option(dsl_state, [:postgres], :base_filter_sql) do
nil ->
{:ok,
Transformer.set_option(dsl_state, [:postgres], :base_filter_sql, "archived_at IS NULL")}
value ->
{:ok,
Transformer.set_option(
dsl_state,
[:postgres],
:base_filter_sql,
"archived_at IS NULL and (#{value})"
)}
end
end
defp add_base_filter_sql({:error, error}) do
{:error, error}
end
end