0948bebb9d
* Adds a basic settings model * Added more settings methods; Hooked up initial settings runner to app boot * Update onboarding flow to use settings model instead of session data
95 lines
2.7 KiB
Elixir
95 lines
2.7 KiB
Elixir
defmodule Pinchflat.Settings do
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@moduledoc """
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The Settings context.
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"""
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import Ecto.Query, warn: false
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alias Pinchflat.Repo
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alias Pinchflat.Settings.Setting
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@doc """
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Returns the list of settings.
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Returns [%Setting{}, ...]
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"""
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def list_settings do
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Repo.all(Setting)
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end
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@doc """
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Creates or updates a setting, returning the parsed value.
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Raises if an unsupported datatype is used. Optionally allows
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specifying the datatype.
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Returns value in type of `Ecto.Enum.mappings(Setting, :datatype)`
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"""
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def set!(name, value) do
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set!(name, value, infer_datatype(value))
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end
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def set!(name, value, datatype) do
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# Only create if doesn't exist
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case Repo.get_by(Setting, name: to_string(name)) do
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nil -> create_setting!(name, value, datatype)
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setting -> update_setting!(setting, value, datatype)
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end
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end
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@doc """
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Gets the parsed value of a setting. Raises if the setting does not exist.
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Returns value in type of `Ecto.Enum.mappings(Setting, :datatype)`
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"""
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def get!(name) do
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Setting
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|> Repo.get_by!(name: to_string(name))
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|> read_setting()
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end
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@doc """
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Attempts to find a setting by name or creates a setting with value
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if one doesn't exist, returning the parsed value. Optionally allows
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specifying the datatype.
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Returns value in type of `Ecto.Enum.mappings(Setting, :datatype)`
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"""
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def fetch!(name, value) do
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fetch!(name, value, infer_datatype(value))
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end
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def fetch!(name, value, datatype) do
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case Repo.get_by(Setting, name: to_string(name)) do
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nil -> create_setting!(name, value, datatype)
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setting -> read_setting(setting)
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end
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end
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defp change_setting(setting, attrs) do
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Setting.changeset(setting, attrs)
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end
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defp create_setting!(name, value, datatype) do
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%Setting{}
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|> change_setting(%{name: to_string(name), value: to_string(value), datatype: datatype})
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|> Repo.insert!()
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|> read_setting()
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end
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defp update_setting!(setting, value, datatype) do
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setting
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|> change_setting(%{value: to_string(value), datatype: datatype})
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|> Repo.update!()
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|> read_setting()
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end
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defp read_setting(%{value: value, datatype: :string}), do: value
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defp read_setting(%{value: value, datatype: :boolean}), do: value in ["true", "t", "1"]
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defp read_setting(%{value: value, datatype: :integer}), do: String.to_integer(value)
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defp read_setting(%{value: value, datatype: :float}), do: String.to_float(value)
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defp infer_datatype(value) when is_boolean(value), do: :boolean
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defp infer_datatype(value) when is_integer(value), do: :integer
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defp infer_datatype(value) when is_float(value), do: :float
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defp infer_datatype(value) when is_binary(value), do: :string
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end
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