mobilizon/lib/mobilizon/events/event_participant_stats.ex
2020-01-29 17:28:11 +01:00

64 lines
1.8 KiB
Elixir

defmodule Mobilizon.Events.EventParticipantStats do
@moduledoc """
Participation stats on event
"""
use Ecto.Schema
import Ecto.Changeset
@type t :: %__MODULE__{
not_approved: integer(),
not_confirmed: integer(),
rejected: integer(),
participant: integer(),
moderator: integer(),
administrator: integer(),
creator: integer()
}
@attrs [
:not_approved,
:not_confirmed,
:rejected,
:participant,
:moderator,
:administrator,
:moderator,
:creator
]
@primary_key false
@derive Jason.Encoder
embedded_schema do
field(:not_approved, :integer, default: 0)
field(:not_confirmed, :integer, default: 0)
field(:rejected, :integer, default: 0)
field(:participant, :integer, default: 0)
field(:moderator, :integer, default: 0)
field(:administrator, :integer, default: 0)
field(:creator, :integer, default: 0)
end
@doc false
@spec changeset(t, map) :: Ecto.Changeset.t()
def changeset(%__MODULE__{} = event_options, attrs) do
event_options
|> cast(attrs, @attrs)
|> validate_stats()
end
defp validate_stats(%Ecto.Changeset{} = changeset) do
changeset
|> validate_number(:not_approved, greater_than_or_equal_to: 0)
|> validate_number(:not_confirmed, greater_than_or_equal_to: 0)
|> validate_number(:rejected, greater_than_or_equal_to: 0)
|> validate_number(:participant, greater_than_or_equal_to: 0)
|> validate_number(:moderator, greater_than_or_equal_to: 0)
|> validate_number(:administrator, greater_than_or_equal_to: 0)
|> validate_number(:creator, greater_than_or_equal_to: 0)
# TODO: Replace me with something like the following
# Enum.reduce(@attrs, fn key, changeset -> validate_number(changeset, key, greater_than_or_equal_to: 0) end)
end
end