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lib/transformers/define_schedulers.ex

# SPDX-FileCopyrightText: 2023 ash_oban contributors <https://github.com/ash-project/ash_oban/graphs.contributors>
#
# SPDX-License-Identifier: MIT
defmodule AshOban.Transformers.DefineSchedulers do
# Define scheduler and worker modules.
@moduledoc false
use Spark.Dsl.Transformer
alias Spark.Dsl.Transformer
def after?(_), do: true
def transform(dsl) do
module = Transformer.get_persisted(dsl, :module)
dsl
|> AshOban.Info.oban_triggers()
|> Enum.reduce(dsl, fn trigger, dsl ->
scheduler_module_name =
if trigger.scheduler_cron do
trigger.scheduler_module_name ||
module_name(module, trigger, "Scheduler")
end
worker_module_name = trigger.worker_module_name || module_name(module, trigger, "Worker")
define_worker(module, worker_module_name, trigger, dsl)
dsl
|> Transformer.replace_entity([:oban, :triggers], %{
trigger
| scheduler: scheduler_module_name,
worker: worker_module_name
})
|> then(fn dsl ->
if trigger.scheduler_cron do
Transformer.async_compile(dsl, fn ->
define_scheduler(module, scheduler_module_name, trigger, dsl)
end)
else
dsl
end
end)
end)
|> then(&{:ok, &1})
end
defp module_name(module, trigger, type) do
module
|> List.wrap()
|> Enum.concat(["AshOban", type])
|> Enum.concat([Macro.camelize(to_string(trigger.name))])
|> Module.concat()
end
defp define_scheduler(resource, scheduler_module_name, trigger, dsl) do
domain = AshOban.Info.oban_domain!(dsl)
primary_key = Ash.Resource.Info.primary_key(dsl)
pro? = AshOban.Info.pro?()
filter =
if not is_nil(trigger.where) do
quote location: :keep do
def filter(query) do
Ash.Query.do_filter(query, unquote(Macro.escape(trigger.where)))
end
end
end
sort =
if not is_nil(trigger.sort) do
quote location: :keep do
def sort(query) do
Ash.Query.sort(query, unquote(trigger.sort))
end
end
end
limit_stream =
if trigger.record_limit do
quote do
def limit_stream(query) do
Ash.Query.limit(query, unquote(trigger.record_limit))
end
end
else
quote do
def limit_stream(query) do
query
end
end
end
stream_with = Map.get(trigger, :stream_with, :keyset)
batch_opts =
if trigger.stream_batch_size do
quote do
[batch_size: unquote(trigger.stream_batch_size), stream_with: unquote(stream_with)]
end
else
quote do
[]
end
end
pipeline =
quote do
resource
|> Ash.Query.select(unquote(primary_key))
|> then(fn query ->
tenant_attribute = Ash.Resource.Info.multitenancy_attribute(unquote(resource))
if tenant_attribute do
Ash.Query.ensure_selected(query, tenant_attribute)
else
query
end
end)
|> limit_stream()
end
pipeline =
if trigger.shared_context? do
quote do
unquote(pipeline)
|> Ash.Query.set_context(%{shared: %{private: %{ash_oban?: true}}})
end
else
quote do
unquote(pipeline)
|> Ash.Query.set_context(%{private: %{ash_oban?: true}})
end
end
pipeline =
if is_nil(trigger.where) do
pipeline
else
quote do
unquote(pipeline) |> filter()
end
end
pipeline =
if is_nil(trigger.sort) do
pipeline
else
quote do
unquote(pipeline) |> sort()
end
end
pipeline =
quote do
unquote(pipeline)
|> Ash.Query.for_read(unquote(trigger.read_action), %{},
authorize?: AshOban.authorize?(),
actor: actor,
domain: unquote(domain)
)
|> Ash.Query.set_tenant(tenant)
|> Ash.stream!(unquote(batch_opts))
end
stream =
quote location: :keep do
def stream(resource, actor, tenant) do
unquote(pipeline)
end
end
insert =
if pro? do
quote location: :keep do
defp insert(stream) do
count =
stream
|> Oban.insert_all()
|> Enum.count()
AshOban.debug(
"Scheduled #{count} jobs for trigger #{unquote(inspect(resource))}.#{unquote(trigger.name)}",
unquote(trigger.debug?)
)
:ok
end
end
else
quote location: :keep do
defp insert(stream) do
count =
stream
|> Stream.each(&Oban.insert!/1)
|> Enum.count()
AshOban.debug(
"Scheduled #{count} jobs for trigger #{unquote(inspect(resource))}.#{unquote(trigger.name)}",
unquote(trigger.debug?)
)
:ok
end
end
end
worker =
if pro? do
Oban.Pro.Worker
else
Oban.Worker
end
function_name =
if pro? do
:process
else
:perform
end
quoted =
quote location: :keep do
use unquote(worker),
priority: unquote(trigger.worker_priority),
queue: unquote(trigger.scheduler_queue),
unique: [
period: :infinity,
states: [
:available,
:executing,
:retryable,
:scheduled
]
],
max_attempts: unquote(trigger.max_scheduler_attempts)
require Logger
@impl unquote(worker)
if unquote(trigger.state != :active) do
def unquote(function_name)(%Oban.Job{}) do
{:cancel, unquote(trigger.state)}
end
else
def unquote(function_name)(%Oban.Job{args: args}) do
trigger = AshOban.Info.oban_trigger(unquote(resource), unquote(trigger.name))
metadata =
case trigger do
%{read_metadata: read_metadata} when is_function(read_metadata) ->
read_metadata
_ ->
fn _ -> %{} end
end
(AshOban.Info.oban_trigger(unquote(resource), unquote(trigger.name)).list_tenants ||
AshOban.Info.oban_list_tenants!(unquote(resource)))
|> then(fn
{module, o} ->
module.list_tenants(o)
list_tenants ->
list_tenants
end)
|> Enum.each(fn tenant ->
case AshOban.lookup_actor(args["actor"], unquote(trigger.actor_persister)) do
{:ok, actor} ->
unquote(resource)
|> stream(actor, tenant)
|> Stream.map(&AshOban.build_trigger(&1, trigger, actor: actor, tenant: tenant))
|> insert()
{:error, e} ->
raise Ash.Error.to_ash_error(e)
end
end)
:ok
rescue
e ->
Logger.error(
"Error running AshOban scheduler #{__MODULE__}.\n#{Exception.format(:error, e, __STACKTRACE__)}"
)
reraise e, __STACKTRACE__
end
end
unquote(limit_stream)
unquote(stream)
unquote(filter)
unquote(sort)
unquote(insert)
end
Module.create(scheduler_module_name, quoted, Macro.Env.location(__ENV__))
end
# sobelow_skip ["SQL.Query"]
defp define_worker(resource, worker_module_name, trigger, dsl) do
domain = AshOban.Info.oban_domain!(dsl)
pro? = AshOban.Info.pro?()
worker =
if pro? do
Oban.Pro.Worker
else
Oban.Worker
end
query = query(trigger, resource)
can_transact? = Ash.DataLayer.data_layer_can?(dsl, :transact)
on_error = Ash.Resource.Info.action(dsl, trigger.on_error)
on_error_transaction? =
can_transact? && trigger.on_error &&
on_error.transaction? && trigger.lock_for_update?
trigger_action = Ash.Resource.Info.action(dsl, trigger.action)
work_transaction? =
can_transact? && trigger_action.transaction? && trigger.lock_for_update?
atomic? = Map.get(trigger_action, :require_atomic?, false)
on_error_atomic? = trigger.on_error && Map.get(on_error, :require_atomic?, false)
can_lock? = Ash.DataLayer.data_layer_can?(dsl, {:lock, :for_update})
read_action =
trigger.worker_read_action || trigger.read_action ||
Map.get(trigger_action, :atomic_upgrade_with) ||
Ash.Resource.Info.primary_action!(resource, :read).name
lock_on_read =
if can_lock? && trigger.lock_for_update? && work_transaction? do
quote do
def lock_on_read(query) do
Ash.Query.lock(query, :for_update)
end
end
else
quote do
def lock_on_read(query) do
query
end
end
end
lock_on_error_read =
if can_lock? && trigger.lock_for_update? && on_error_transaction? do
quote do
def lock_on_error_read(query) do
Ash.Query.lock(query, :for_update)
end
end
else
quote do
def lock_on_error_read(query) do
query
end
end
end
get_and_lock_code =
quote do
Ash.Changeset.before_action(
changeset,
fn changeset ->
query()
|> Ash.Query.do_filter(primary_key)
|> Ash.Query.set_tenant(tenant)
|> Ash.Query.set_context(
if unquote(trigger.shared_context?) do
%{shared: %{private: %{ash_oban?: true}}}
else
%{private: %{ash_oban?: true}}
end
)
|> Ash.Query.for_read(unquote(read_action), %{},
authorize?: authorize?,
actor: actor,
domain: unquote(domain)
)
|> Ash.Query.lock(:for_update)
|> Ash.read_one()
|> case do
{:ok, nil} ->
Ash.Changeset.add_error(
changeset,
AshOban.Errors.TriggerNoLongerApplies.exception([])
)
{:ok, record} ->
%{changeset | data: record}
{:error, error} ->
Ash.Changeset.add_error(changeset, error)
end
end,
prepend?: true
)
end
get_and_lock =
if atomic? do
quote do
filter = query().filter
Ash.Changeset.filter(changeset, filter)
end
else
# if the entire work function is in a transaction, the record will
# already be locked if it can be
if can_lock? && trigger.lock_for_update? && !work_transaction? do
get_and_lock_code
else
quote do
changeset
end
end
end
on_error_get_and_lock =
if on_error_atomic? do
quote do
filter = query().filter
Ash.Changeset.filter(changeset, filter)
end
else
# if the entire work function is in a transaction, the record will
# already be locked if it can be
if can_lock? && trigger.lock_for_update? && !work_transaction? do
get_and_lock_code
else
quote do
changeset
end
end
end
prepare_error =
if on_error_transaction? do
quote location: :keep do
defp prepare_error(changeset, primary_key, authorize?, actor, tenant) do
unquote(on_error_get_and_lock)
end
end
else
quote location: :keep do
defp prepare_error(changeset, _, _, _, _), do: changeset
end
end
prepare =
if work_transaction? do
quote location: :keep do
defp prepare(changeset, primary_key, authorize?, actor, tenant) do
unquote(get_and_lock)
end
end
else
quote location: :keep do
defp prepare(changeset, _, _, _, _), do: changeset
end
end
handle_error =
handle_error(trigger, resource, on_error && on_error.type, atomic?, domain, read_action)
work =
work(trigger, worker, atomic?, trigger_action.type, pro?, read_action, resource, domain)
backoff =
case trigger.backoff do
:exponential ->
nil
fun when is_function(fun) ->
quote location: :keep do
@impl unquote(worker)
def backoff(job) do
unquote(fun).(job)
end
end
backoff ->
quote location: :keep do
@impl unquote(worker)
def backoff(_job) do
unquote(backoff)
end
end
end
timeout =
case trigger.timeout do
:infinity ->
nil
fun when is_function(fun) ->
quote location: :keep do
@impl unquote(worker)
def timeout(job) do
unquote(fun).(job)
end
end
timeout ->
quote location: :keep do
@impl unquote(worker)
def timeout(_job) do
unquote(timeout)
end
end
end
states =
[
:available,
:executing,
:retryable,
:scheduled,
if trigger.trigger_once? do
:completed
else
nil
end
]
|> Enum.filter(&(not is_nil(&1)))
worker_opts =
Keyword.merge(
[
priority: trigger.scheduler_priority,
max_attempts: trigger.max_attempts,
queue: trigger.queue,
unique: [
period: :infinity,
states: states
]
],
trigger.worker_opts
)
Module.create(
worker_module_name,
quote location: :keep do
use unquote(worker), unquote(worker_opts)
require Logger
unquote(lock_on_read)
unquote(lock_on_error_read)
unquote(work)
unquote(query)
unquote(handle_error)
unquote(prepare)
unquote(prepare_error)
unquote(backoff)
unquote(timeout)
end,
Macro.Env.location(__ENV__)
)
end
defp handle_error(trigger, resource, action_type, atomic?, domain, read_action) do
log_final_error =
if trigger.log_errors? || trigger.log_final_error? do
quote do
Logger.error("""
Error occurred for #{inspect(unquote(resource))}: #{inspect(primary_key)}!
Error occurred on action: #{unquote(trigger.action)}.
#{inspect(Exception.format(:error, error, AshOban.stacktrace(error)))}
""")
end
else
quote do
_ = primary_key
_ = error
end
end
log_error =
if trigger.log_errors? do
quote do
Logger.error("""
Error occurred for #{inspect(unquote(resource))}: #{inspect(primary_key)}!
Error occurred on action: #{unquote(trigger.action)}.
#{inspect(Exception.format(:error, error, AshOban.stacktrace(error)))}
""")
end
else
quote do
_ = primary_key
_ = error
end
end
if trigger.on_error do
if atomic? do
quote location: :keep, generated: true do
def handle_error(
%{max_attempts: max_attempts, attempt: attempt},
error,
primary_key,
stacktrace
)
when max_attempts != attempt do
unquote(log_error)
reraise error, stacktrace
end
def handle_error(
%{max_attempts: max_attempts, attempt: max_attempts, args: args} = job,
error,
primary_key,
stacktrace
) do
AshOban.debug(
"Trigger #{unquote(inspect(resource))}.#{unquote(trigger.name)} triggered for primary key #{inspect(primary_key)}",
unquote(trigger.debug?)
)
case AshOban.lookup_actor(args["actor"], unquote(trigger.actor_persister)) do
{:ok, actor} ->
authorize? = AshOban.authorize?()
tenant = args["tenant"]
args =
if unquote(is_nil(trigger.read_metadata)) do
%{}
else
%{metadata: args["metadata"]}
end
|> Map.merge(args["action_arguments"] || %{})
query =
query()
|> Ash.Query.do_filter(primary_key)
|> Ash.Query.set_context(
if unquote(trigger.shared_context?) do
%{shared: %{private: %{ash_oban?: true}}}
else
%{private: %{ash_oban?: true}}
end
)
|> Ash.Query.set_tenant(tenant)
|> Ash.Query.for_read(unquote(read_action), %{},
authorize?: authorize?,
actor: actor,
domain: unquote(domain)
)
if unquote(action_type) == :update do
Ash.bulk_update!(
query,
unquote(trigger.on_error),
%{error: error},
authorize?: authorize?,
actor: actor,
tenant: tenant,
domain: unquote(domain),
context:
if unquote(trigger.shared_context?) do
%{shared: %{private: %{ash_oban?: true}}}
else
%{private: %{ash_oban?: true}}
end,
strategy: [:atomic, :atomic_batches, :stream],
return_errors?: true,
skip_unknown_inputs: [:error],
notify?: true,
return_records?: true
)
else
Ash.bulk_destroy!(
query,
unquote(trigger.on_error),
%{error: error},
authorize?: authorize?,
actor: actor,
tenant: tenant,
domain: unquote(domain),
domain: unquote(domain),
context:
if unquote(trigger.shared_context?) do
%{shared: %{private: %{ash_oban?: true}}}
else
%{private: %{ash_oban?: true}}
end,
strategy: [:atomic, :atomic_batches, :stream],
return_errors?: true,
skip_unknown_inputs: [:error],
notify?: true
)
end
:ok
{:error, error} ->
AshOban.debug(
"""
Record with primary key #{inspect(primary_key)} encountered an error in error handler #{unquote(inspect(resource))}#{unquote(trigger.name)}
Could not lookup actor with #{inspect(args["actor"])}
#{Exception.format(:error, error, AshOban.stacktrace(error))}
""",
unquote(trigger.debug?)
)
raise Ash.Error.to_error_class(error)
end
rescue
error ->
handle_error(
job,
Ash.Error.to_ash_error(error, __STACKTRACE__),
primary_key,
__STACKTRACE__
)
end
end
else
# We look up the record again since we have exited any potential transaction we were in before
quote generated: true, location: :keep do
if unquote(trigger.on_error_fails_job?) do
defp trigger_on_error_fails_job(error, stacktrace) do
reraise error, stacktrace
end
else
defp trigger_on_error_fails_job(_error, _stacktrace) do
:ok
end
end
def handle_error(
%{max_attempts: max_attempts, attempt: attempt},
error,
primary_key,
stacktrace
)
when max_attempts != attempt do
unquote(log_error)
reraise error, stacktrace
end
def handle_error(
%{max_attempts: max_attempts, attempt: max_attempts, args: args} = job,
error,
primary_key,
stacktrace
) do
authorize? = AshOban.authorize?()
case AshOban.lookup_actor(args["actor"], unquote(trigger.actor_persister)) do
{:ok, actor} ->
tenant = args["tenant"]
query()
|> Ash.Query.do_filter(primary_key)
|> Ash.Query.set_context(
if unquote(trigger.shared_context?) do
%{shared: %{private: %{ash_oban?: true}}}
else
%{private: %{ash_oban?: true}}
end
)
|> Ash.Query.set_tenant(tenant)
|> Ash.Query.for_read(unquote(read_action), %{},
authorize?: authorize?,
actor: actor,
domain: unquote(domain)
)
|> Ash.read_one()
|> case do
{:error, error} ->
AshOban.debug(
"""
Record with primary key #{inspect(primary_key)} encountered an error in #{unquote(inspect(resource))}#{unquote(trigger.name)}
#{Exception.format(:error, error, AshOban.stacktrace(error))}
""",
unquote(trigger.debug?)
)
{:error, error}
{:ok, nil} ->
AshOban.debug(
"Record with primary key #{inspect(primary_key)} no longer applies to trigger #{unquote(inspect(resource))}#{unquote(trigger.name)}",
unquote(trigger.debug?)
)
{:cancel, :trigger_no_longer_applies}
{:ok, record} ->
unquote(log_final_error)
record
|> Ash.Changeset.new()
|> prepare_error(primary_key, authorize?, actor, tenant)
|> case do
changeset ->
changeset
|> Ash.Changeset.set_tenant(tenant)
|> Ash.Changeset.set_context(
if unquote(trigger.shared_context?) do
%{shared: %{private: %{ash_oban?: true}}}
else
%{private: %{ash_oban?: true}}
end
)
|> Ash.Changeset.for_action(unquote(trigger.on_error), %{error: error},
authorize?: authorize?,
actor: actor,
domain: unquote(domain),
skip_unknown_inputs: [:error]
)
|> AshOban.update_or_destroy()
|> case do
:ok ->
trigger_on_error_fails_job(error, stacktrace)
{:ok, _} ->
trigger_on_error_fails_job(error, stacktrace)
{:error, error} ->
error = Ash.Error.to_ash_error(error, stacktrace)
Logger.error("""
Error handler failed for #{inspect(unquote(resource))}: #{inspect(primary_key)}!!
#{inspect(Exception.format(:error, error, AshOban.stacktrace(error)))}
""")
reraise error, stacktrace
end
end
end
{:error, error} ->
AshOban.debug(
"""
Record with primary key #{inspect(primary_key)} encountered an error in #{unquote(inspect(resource))}#{unquote(trigger.name)}
Could not lookup actor with #{inspect(args["actor"])}
#{Exception.format(:error, error, AshOban.stacktrace(error))}
""",
unquote(trigger.debug?)
)
{:error, error}
end
end
end
end
else
quote location: :keep do
def handle_error(_job, error, primary_key, stacktrace) do
unquote(log_final_error)
reraise error, stacktrace
end
end
end
end
defp query(trigger, resource) do
if is_nil(trigger.where) do
quote location: :keep do
def query do
Ash.Query.new(unquote(resource))
end
end
else
quote location: :keep do
def query do
Ash.Query.do_filter(unquote(resource), unquote(Macro.escape(trigger.where)))
end
end
end
end
defp work(trigger, worker, _atomic?, :action, pro?, _read_action, resource, domain) do
function_name =
if pro? do
:process
else
:perform
end
if trigger.state != :active do
quote location: :keep do
@impl unquote(worker)
def unquote(function_name)(_) do
{:cancel, unquote(trigger.state)}
end
end
else
quote location: :keep, generated: true do
@impl unquote(worker)
def unquote(function_name)(%Oban.Job{args: %{"primary_key" => primary_key} = args} = job) do
case AshOban.lookup_actor(args["actor"], unquote(trigger.actor_persister)) do
{:ok, actor} ->
authorize? = AshOban.authorize?()
tenant = args["tenant"]
AshOban.debug(
"Trigger #{unquote(inspect(resource))}.#{unquote(trigger.name)} triggered for primary key #{inspect(primary_key)}",
unquote(trigger.debug?)
)
input =
build_input(
args,
unquote(Macro.escape(trigger.action_input || %{})),
unquote(Macro.escape(trigger.read_metadata))
)
unquote(resource)
|> Ash.ActionInput.new()
|> Ash.ActionInput.set_tenant(tenant)
|> Ash.ActionInput.set_context(
if unquote(trigger.shared_context?) do
%{shared: %{private: %{ash_oban?: true}}}
else
%{private: %{ash_oban?: true}}
end
)
|> Ash.ActionInput.for_action(
unquote(trigger.action),
input,
authorize?: authorize?,
actor: actor,
domain: unquote(domain),
skip_unknown_inputs: Map.keys(input)
)
|> Ash.run_action!()
:ok
{:error, error} ->
raise Ash.Error.to_ash_error(error)
end
end
defp build_input(args, action_input, read_metadata) do
primary_key = Map.take(args, ["primary_key"])
metadata = if is_nil(read_metadata), do: %{}, else: %{metadata: args["metadata"]}
metadata
|> Map.merge(args["action_arguments"] || %{})
|> Map.merge(action_input)
|> Map.merge(primary_key)
end
end
end
end
defp work(trigger, worker, atomic?, trigger_action_type, pro?, read_action, resource, domain) do
function_name =
if pro? do
:process
else
:perform
end
if trigger.state != :active do
quote location: :keep do
@impl unquote(worker)
def unquote(function_name)(_) do
{:cancel, unquote(trigger.state)}
end
end
else
if atomic? do
quote location: :keep, generated: true do
@impl unquote(worker)
def unquote(function_name)(
%Oban.Job{args: %{"primary_key" => primary_key} = args} = job
) do
AshOban.debug(
"Trigger #{unquote(inspect(resource))}.#{unquote(trigger.name)} triggered for primary key #{inspect(primary_key)}",
unquote(trigger.debug?)
)
case AshOban.lookup_actor(args["actor"], unquote(trigger.actor_persister)) do
{:ok, actor} ->
authorize? = AshOban.authorize?()
tenant = args["tenant"]
args =
if unquote(is_nil(trigger.read_metadata)) do
%{}
else
%{metadata: args["metadata"]}
end
|> Map.merge(args["action_arguments"] || %{})
query =
query()
|> Ash.Query.do_filter(primary_key)
|> Ash.Query.set_context(
if unquote(trigger.shared_context?) do
%{shared: %{private: %{ash_oban?: true}}}
else
%{private: %{ash_oban?: true}}
end
)
|> Ash.Query.set_tenant(tenant)
|> Ash.Query.for_read(unquote(read_action), %{},
authorize?: authorize?,
actor: actor,
domain: unquote(domain)
)
if unquote(trigger_action_type) == :update do
Ash.bulk_update!(
query,
unquote(trigger.action),
Map.merge(unquote(Macro.escape(trigger.action_input || %{})), args),
authorize?: authorize?,
actor: actor,
tenant: tenant,
domain: unquote(domain),
context:
if unquote(trigger.shared_context?) do
%{shared: %{private: %{ash_oban?: true}}}
else
%{private: %{ash_oban?: true}}
end,
skip_unknown_inputs: [:metadata],
strategy: [:atomic, :atomic_batches, :stream],
return_errors?: true,
notify?: true,
return_records?: true
)
else
Ash.bulk_destroy!(
query,
unquote(trigger.action),
Map.merge(unquote(Macro.escape(trigger.action_input || %{})), args),
authorize?: authorize?,
actor: actor,
tenant: tenant,
domain: unquote(domain),
domain: unquote(domain),
context:
if unquote(trigger.shared_context?) do
%{shared: %{private: %{ash_oban?: true}}}
else
%{private: %{ash_oban?: true}}
end,
skip_unknown_inputs: [:metadata],
strategy: [:atomic, :atomic_batches, :stream],
return_errors?: true,
notify?: true
)
end
:ok
{:error, error} ->
AshOban.debug(
"""
Record with primary key #{inspect(primary_key)} encountered an error in #{unquote(inspect(resource))}#{unquote(trigger.name)}
Could not lookup actor with #{inspect(args["actor"])}
#{Exception.format(:error, error, AshOban.stacktrace(error))}
""",
unquote(trigger.debug?)
)
raise Ash.Error.to_error_class(error)
end
rescue
error ->
handle_error(
job,
Ash.Error.to_ash_error(error, __STACKTRACE__),
primary_key,
__STACKTRACE__
)
end
end
else
quote location: :keep, generated: true do
@impl unquote(worker)
def unquote(function_name)(
%Oban.Job{args: %{"primary_key" => primary_key} = args} = job
) do
AshOban.debug(
"Trigger #{unquote(inspect(resource))}.#{unquote(trigger.name)} triggered for primary key #{inspect(primary_key)}",
unquote(trigger.debug?)
)
case AshOban.lookup_actor(args["actor"], unquote(trigger.actor_persister)) do
{:ok, actor} ->
authorize? = AshOban.authorize?()
tenant = args["tenant"]
query()
|> Ash.Query.do_filter(primary_key)
|> Ash.Query.set_tenant(tenant)
|> Ash.Query.set_context(
if unquote(trigger.shared_context?) do
%{shared: %{private: %{ash_oban?: true}}}
else
%{private: %{ash_oban?: true}}
end
)
|> lock_on_read()
|> Ash.Query.for_read(unquote(read_action), %{},
authorize?: authorize?,
actor: actor,
domain: unquote(domain)
)
|> Ash.read_one()
|> case do
{:ok, nil} ->
AshOban.debug(
"Record with primary key #{inspect(primary_key)} no longer applies to trigger #{unquote(inspect(resource))}#{unquote(trigger.name)}",
unquote(trigger.debug?)
)
{:cancel, :trigger_no_longer_applies}
{:ok, record} ->
args =
if unquote(is_nil(trigger.read_metadata)) do
%{}
else
%{metadata: args["metadata"]}
end
|> Map.merge(args["action_arguments"] || %{})
record
|> Ash.Changeset.new()
|> prepare(primary_key, authorize?, actor, tenant)
|> Ash.Changeset.set_tenant(tenant)
|> Ash.Changeset.set_context(
if unquote(trigger.shared_context?) do
%{shared: %{private: %{ash_oban?: true}}}
else
%{private: %{ash_oban?: true}}
end
)
|> Ash.Changeset.for_action(
unquote(trigger.action),
Map.merge(unquote(Macro.escape(trigger.action_input || %{})), args),
authorize?: authorize?,
actor: actor,
domain: unquote(domain),
skip_unknown_input: [:metadata]
)
|> AshOban.update_or_destroy()
|> case do
:ok ->
:ok
{:ok, result} ->
{:ok, result}
{:error, %Ash.Error.Invalid{errors: [%Ash.Error.Changes.StaleRecord{}]}} ->
AshOban.debug(
"Record with primary key #{inspect(primary_key)} no longer applies to trigger #{unquote(inspect(resource))}#{unquote(trigger.name)}",
unquote(trigger.debug?)
)
{:cancel, :trigger_no_longer_applies}
{:error,
%Ash.Error.Invalid{errors: [%AshOban.Errors.TriggerNoLongerApplies{}]}} ->
AshOban.debug(
"Record with primary key #{inspect(primary_key)} no longer applies to trigger #{unquote(inspect(resource))}#{unquote(trigger.name)}",
unquote(trigger.debug?)
)
{:cancel, :trigger_no_longer_applies}
{:error, error} ->
raise Ash.Error.to_error_class(error)
end
end
{:error, error} ->
AshOban.debug(
"""
Record with primary key #{inspect(primary_key)} encountered an error in #{unquote(inspect(resource))}#{unquote(trigger.name)}
Could not lookup actor with #{inspect(args["actor"])}
#{Exception.format(:error, error, AshOban.stacktrace(error))}
""",
unquote(trigger.debug?)
)
raise Ash.Error.to_error_class(error)
end
rescue
error ->
handle_error(
job,
Ash.Error.to_ash_error(error, __STACKTRACE__),
primary_key,
__STACKTRACE__
)
end
end
end
end
end
end