102 lines
2.9 KiB
Elixir
102 lines
2.9 KiB
Elixir
defmodule Mobilizon.Actors.Member do
|
||
@moduledoc """
|
||
Represents the membership of an actor to a group.
|
||
"""
|
||
|
||
use Ecto.Schema
|
||
|
||
import Ecto.Changeset
|
||
|
||
alias Mobilizon.Actors.{Actor, MemberRole}
|
||
alias Mobilizon.Web.Endpoint
|
||
|
||
@type t :: %__MODULE__{
|
||
role: MemberRole.t(),
|
||
parent: Actor.t(),
|
||
actor: Actor.t()
|
||
}
|
||
|
||
@required_attrs [:parent_id, :actor_id, :url]
|
||
@optional_attrs [:role, :invited_by_id]
|
||
@attrs @required_attrs ++ @optional_attrs
|
||
@metadata_attrs []
|
||
|
||
@primary_key {:id, :binary_id, autogenerate: true}
|
||
schema "members" do
|
||
field(:role, MemberRole, default: :member)
|
||
field(:url, :string)
|
||
|
||
embeds_one :metadata, Metadata, on_replace: :delete do
|
||
# TODO : Use this space to put notes when someone is invited / requested to join
|
||
end
|
||
|
||
belongs_to(:invited_by, Actor)
|
||
belongs_to(:parent, Actor)
|
||
belongs_to(:actor, Actor)
|
||
|
||
timestamps()
|
||
end
|
||
|
||
@doc """
|
||
Gets the default member role depending on the actor openness.
|
||
"""
|
||
@spec get_default_member_role(Actor.t()) :: atom
|
||
def get_default_member_role(%Actor{openness: :open}), do: :member
|
||
def get_default_member_role(%Actor{}), do: :not_approved
|
||
|
||
@doc """
|
||
Checks whether the actor can be joined to the group.
|
||
"""
|
||
def can_be_joined(%Actor{type: :Group, openness: :invite_only}), do: false
|
||
def can_be_joined(%Actor{type: :Group}), do: true
|
||
|
||
@doc """
|
||
Checks whether the member is an administrator (admin or creator) of the group.
|
||
"""
|
||
def is_administrator(%__MODULE__{role: :administrator}), do: true
|
||
def is_administrator(%__MODULE__{role: :creator}), do: true
|
||
def is_administrator(%__MODULE__{}), do: false
|
||
|
||
@doc false
|
||
@spec changeset(t, map) :: Ecto.Changeset.t()
|
||
def changeset(%__MODULE__{} = member, attrs) do
|
||
member
|
||
|> cast(attrs, @attrs)
|
||
|> cast_embed(:metadata, with: &metadata_changeset/2)
|
||
|> ensure_url()
|
||
|> validate_required(@required_attrs)
|
||
# On both parent_id and actor_id
|
||
|> unique_constraint(:parent_id, name: :members_actor_parent_unique_index)
|
||
|> unique_constraint(:url, name: :members_url_index)
|
||
end
|
||
|
||
defp metadata_changeset(schema, params) do
|
||
schema
|
||
|> cast(params, @metadata_attrs)
|
||
end
|
||
|
||
# If there's a blank URL that's because we're doing the first insert
|
||
@spec ensure_url(Ecto.Changeset.t()) :: Ecto.Changeset.t()
|
||
defp ensure_url(%Ecto.Changeset{data: %__MODULE__{url: nil}} = changeset) do
|
||
case fetch_change(changeset, :url) do
|
||
{:ok, _url} ->
|
||
changeset
|
||
|
||
:error ->
|
||
generate_url(changeset)
|
||
end
|
||
end
|
||
|
||
# Most time just go with the given URL
|
||
defp ensure_url(%Ecto.Changeset{} = changeset), do: changeset
|
||
|
||
@spec generate_url(Ecto.Changeset.t()) :: Ecto.Changeset.t()
|
||
defp generate_url(%Ecto.Changeset{} = changeset) do
|
||
uuid = Ecto.UUID.generate()
|
||
|
||
changeset
|
||
|> put_change(:id, uuid)
|
||
|> put_change(:url, "#{Endpoint.url()}/member/#{uuid}")
|
||
end
|
||
end
|