Packages
commanded
0.18.1
1.4.10
1.4.9
1.4.8
1.4.7
1.4.6
1.4.3
1.4.2
1.4.1
1.4.0
1.4.0-rc.0
1.3.1
1.3.0
1.2.0
1.1.1
1.1.0
1.0.1
1.0.0
1.0.0-rc.1
1.0.0-rc.0
0.19.1
0.19.0
0.18.1
0.18.0
0.17.5
0.17.4
0.17.3
0.17.2
0.17.1
0.17.0
0.16.0
0.16.0-rc.1
0.16.0-rc.0
0.15.1
0.15.0
0.14.0
0.14.0-rc.0
0.13.0
0.12.0
0.11.0
0.10.0
0.9.0
0.8.5
0.8.4
0.8.3
0.8.1
0.8.0
0.7.1
0.6.2
0.6.1
0.6.0
0.4.0
0.3.1
0.3.0
0.2.1
0.2.0
0.1.0
Use Commanded to build your own Elixir applications following the CQRS/ES pattern.
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lib/commanded/event/mapper.ex
defmodule Commanded.Event.Mapper do
@moduledoc false
alias Commanded.EventStore.TypeProvider
alias Commanded.EventStore.{EventData, RecordedEvent}
def map_to_event_data(events, fields) when is_list(events) do
Enum.map(events, &map_to_event_data(&1, fields))
end
def map_to_event_data(event, fields) do
%EventData{
causation_id: Keyword.get(fields, :causation_id),
correlation_id: Keyword.get(fields, :correlation_id),
event_type: TypeProvider.to_string(event),
data: event,
metadata: Keyword.get(fields, :metadata, %{})
}
end
def map_from_recorded_events(recorded_events) when is_list(recorded_events) do
Enum.map(recorded_events, &map_from_recorded_event/1)
end
def map_from_recorded_event(%RecordedEvent{data: data}), do: data
end