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Rework macro to avoid compile-time dependency on given application #51

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Rework macro to avoid compile-time dependency on given application #51

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16 changes: 9 additions & 7 deletions lib/projections/ecto.ex
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Original file line number Diff line number Diff line change
Expand Up @@ -34,22 +34,24 @@ defmodule Commanded.Projections.Ecto do
schema_prefix =
opts[:schema_prefix] || Application.get_env(:commanded_ecto_projections, :schema_prefix)

repo = opts[:repo]
timeout = opts[:timeout] || :infinity

# Pass through any other configuration to the event handler
handler_opts = Keyword.drop(opts, [:repo, :schema_prefix, :timeout])

quote location: :keep do
@behaviour Commanded.Projections.Ecto

@opts unquote(opts)
@repo @opts[:repo] || Application.compile_env(:commanded_ecto_projections, :repo) ||
@repo unquote(repo) || Application.compile_env(:commanded_ecto_projections, :repo) ||
raise("Commanded Ecto projections expects :repo to be configured in environment")
@timeout @opts[:timeout] || :infinity

# Pass through any other configuration to the event handler
@handler_opts Keyword.drop(@opts, [:repo, :schema_prefix, :timeout])
@timeout unquote(timeout)

unquote(__include_schema_prefix__(schema_prefix))
unquote(__include_projection_version_schema__())

use Ecto.Schema
use Commanded.Event.Handler, @handler_opts
use Commanded.Event.Handler, unquote(handler_opts)

import Ecto.Changeset
import Ecto.Query
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