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support elixir-1.4 #7

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20 changes: 9 additions & 11 deletions lib/ecto_ttl/worker.ex
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Original file line number Diff line number Diff line change
Expand Up @@ -5,22 +5,19 @@ defmodule Ecto.Ttl.Worker do

import Ecto.Query

defmacrop cleanup_interval do
quote do: Application.get_env(:ecto_ttl, :cleanup_interval, @default_timeout) * 1000
end

def start_link(models) when is_list(models), do: GenServer.start_link(__MODULE__, models, name: __MODULE__)

def init(modules), do: {:ok, modules, cleanup_interval}
def init(modules), do: {:ok, modules, cleanup_interval()}

def handle_call({:set_models, models}, _from, _state), do: {:reply, :ok, models, cleanup_interval}
def handle_call({:add_models, models}, _from, state), do: {:reply, :ok, Keyword.merge(state, models), cleanup_interval}
def handle_call({:set_models, models}, _from, _state), do: {:reply, :ok, models, cleanup_interval()}
def handle_call({:add_models, models}, _from, state), do: {:reply, :ok, Keyword.merge(state, models), cleanup_interval()}

def handle_info(:timeout, models) do
for model <- models, do: delete_expired(model)
{:noreply, models, cleanup_interval}
{:noreply, models, cleanup_interval()}
end


defp delete_expired({model, repo}), do: delete_expired({model, repo}, check_schema(model))
defp delete_expired(_, :false), do: :ignore
defp delete_expired({model, repo}, :true) do
Expand All @@ -35,14 +32,14 @@ defmodule Ecto.Ttl.Worker do
defp check_delete_batches(repo, model, date_lastrun, offset) do
query = from m in model,
where: m.ttl > 0 and m.updated_at < ^date_lastrun and m.id > ^offset,
limit: ^batch_size,
limit: ^batch_size(),
select: %{id: m.id, ttl: m.ttl, updated_at: m.updated_at}
resp = repo.all(query)
{processed, last} = Enum.reduce(resp, {0, nil}, fn(entry, {count, _}) ->
{count + 1, check_delete_entry(model, repo, entry)}
end)
cond do
processed < batch_size -> :ok
processed < batch_size() -> :ok
true -> check_delete_batches(repo, model, date_lastrun, last)
end
end
Expand All @@ -68,9 +65,10 @@ defmodule Ecto.Ttl.Worker do
end
end

defp handle_delete_callback(repo, model, entry, :ignore), do: nil
defp handle_delete_callback(_repo, _model, _entry, :ignore), do: nil
defp handle_delete_callback(repo, model, entry, :delete), do: repo.delete!(struct(model, Map.to_list(entry)))
defp handle_delete_callback(repo, model, entry, _), do: repo.delete!(struct(model, Map.to_list(entry)))

defp cleanup_interval, do: Application.get_env(:ecto_ttl, :cleanup_interval, @default_timeout) * 1000
defp batch_size, do: Application.get_env(:ecto_ttl, :batch_size, @default_batch_size)
end
2 changes: 1 addition & 1 deletion mix.exs
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Original file line number Diff line number Diff line change
Expand Up @@ -6,7 +6,7 @@ defmodule EctoTtl.Mixfile do
version: "0.0.1",
build_embedded: Mix.env == :prod,
start_permanent: Mix.env == :prod,
deps: deps]
deps: deps()]
end

def application do
Expand Down
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