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spawn_statestores_postgres
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Spawn Statestores Postgres is a storage lib for the Spawn Actors System
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lib/statestores/adapters/postgres.ex
defmodule Statestores.Adapters.Postgres do
@moduledoc """
Implements the behavior defined in `Statestores.Adapters.Behaviour` for Postgres databases.
"""
use Statestores.Adapters.Behaviour
use Ecto.Repo,
otp_app: :spawn_statestores,
adapter: Ecto.Adapters.Postgres
alias Statestores.Schemas.{Event, ValueObjectSchema}
def get_by_key(actor), do: get_by(Event, actor: actor)
def save(%Event{revision: revision, tags: tags, data_type: type, data: data} = event) do
%Event{}
|> Event.changeset(ValueObjectSchema.to_map(event))
|> insert_or_update(
on_conflict: [
set: [
revision: revision,
tags: tags,
data_type: type,
data: data,
updated_at: DateTime.utc_now()
]
],
conflict_target: :actor
)
|> case do
{:ok, event} ->
{:ok, event}
{:error, changeset} ->
{:error, changeset}
other ->
{:error, other}
end
end
def default_port, do: "5432"
end