46 lines
1.1 KiB
Elixir
46 lines
1.1 KiB
Elixir
defmodule BDS.Settings do
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@moduledoc """
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Persistence layer for global application settings stored as key-value pairs in the database.
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"""
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import Ecto.Query, only: [from: 2]
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alias BDS.Persistence
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alias BDS.Repo
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alias BDS.Settings.Setting
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@spec list_global_settings() :: [{String.t(), String.t()}]
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def list_global_settings do
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Repo.all(from setting in Setting, order_by: setting.key, select: {setting.key, setting.value})
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end
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@spec get_global_setting(String.t()) :: String.t() | nil
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def get_global_setting(key) do
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case Repo.get(Setting, key) do
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%Setting{value: value} -> value
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_other -> nil
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end
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end
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@spec put_global_setting(String.t(), term()) :: :ok | {:error, Ecto.Changeset.t()}
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def put_global_setting(key, value) do
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setting = Repo.get(Setting, key) || %Setting{}
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setting
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|> Setting.changeset(%{
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key: key,
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value: to_string(value || ""),
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updated_at: Persistence.now_ms()
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})
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|> Repo.insert_or_update()
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|> case do
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{:ok, _setting} ->
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:ok = BDS.Events.settings_changed(key)
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:ok
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{:error, reason} ->
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{:error, reason}
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end
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end
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end
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