mobilizon.chapril.org-mobil.../lib/mobilizon/actors/member.ex

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import EctoEnum
defenum(Mobilizon.Actors.MemberRoleEnum, :member_role_type, [
:not_approved,
:member,
:moderator,
:administrator,
:creator
])
defmodule Mobilizon.Actors.Member do
@moduledoc """
Represents the membership of an actor to a group
"""
use Ecto.Schema
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import Ecto.Changeset
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import Ecto.Query, warn: false
import Mobilizon.Ecto
alias Mobilizon.Actors.Member
alias Mobilizon.Actors.Actor
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alias Mobilizon.Repo
schema "members" do
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field(:role, Mobilizon.Actors.MemberRoleEnum, default: :member)
belongs_to(:parent, Actor)
belongs_to(:actor, Actor)
timestamps()
end
@doc false
def changeset(%Member{} = member, attrs) do
member
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|> cast(attrs, [:role, :parent_id, :actor_id])
|> validate_required([:parent_id, :actor_id])
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|> unique_constraint(:parent_id, name: :members_actor_parent_unique_index)
end
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@doc """
Gets a single member of an actor (for example a group)
"""
def get_member(actor_id, parent_id) do
case Repo.get_by(Member, actor_id: actor_id, parent_id: parent_id) do
nil -> {:error, :member_not_found}
member -> {:ok, member}
end
end
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@doc """
Gets a single member of an actor (for example a group)
"""
def can_be_joined(%Actor{type: :Group, openness: :invite_only}), do: false
def can_be_joined(%Actor{type: :Group}), do: true
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@doc """
Returns the list of administrator members for a group.
"""
def list_administrator_members_for_group(id, page \\ nil, limit \\ nil) do
Repo.all(
from(
m in Member,
where: m.parent_id == ^id and (m.role == ^:creator or m.role == ^:administrator),
preload: [:actor]
)
|> paginate(page, limit)
)
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end
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def is_administrator(%Member{role: :administrator}), do: {:is_admin, true}
def is_administrator(%Member{role: :creator}), do: {:is_admin, true}
def is_administrator(%Member{}), do: {:is_admin, false}
end