Add anonymous and remote participations

lib/mobilizon/events/event_options.ex

@@ -17,6 +17,7 @@ defmodule Mobilizon.Events.EventOptions do
           maximum_attendee_capacity: integer,
           remaining_attendee_capacity: integer,
           show_remaining_attendee_capacity: boolean,
+          anonymous_participation: boolean,
           attendees: [String.t()],
           program: String.t(),
           comment_moderation: CommentModeration.t(),
@@ -31,6 +32,7 @@ defmodule Mobilizon.Events.EventOptions do
     :maximum_attendee_capacity,
     :remaining_attendee_capacity,
     :show_remaining_attendee_capacity,
+    :anonymous_participation,
     :attendees,
     :program,
     :comment_moderation,
@@ -45,6 +47,7 @@ defmodule Mobilizon.Events.EventOptions do
     field(:maximum_attendee_capacity, :integer)
     field(:remaining_attendee_capacity, :integer)
     field(:show_remaining_attendee_capacity, :boolean)
+    field(:anonymous_participation, :boolean)
     field(:attendees, {:array, :string})
     field(:program, :string)
     field(:comment_moderation, CommentModeration)

lib/mobilizon/events/event_participant_stats.ex

@@ -8,6 +8,7 @@ defmodule Mobilizon.Events.EventParticipantStats do
 
   @type t :: %__MODULE__{
           not_approved: integer(),
+          not_confirmed: integer(),
           rejected: integer(),
           participant: integer(),
           moderator: integer(),
@@ -17,6 +18,7 @@ defmodule Mobilizon.Events.EventParticipantStats do
 
   @attrs [
     :not_approved,
+    :not_confirmed,
     :rejected,
     :participant,
     :moderator,
@@ -29,6 +31,7 @@ defmodule Mobilizon.Events.EventParticipantStats do
   @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)
@@ -47,6 +50,7 @@ defmodule Mobilizon.Events.EventParticipantStats do
   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)

lib/mobilizon/events/events.ex

@@ -76,6 +76,7 @@ defmodule Mobilizon.Events do
 
   defenum(ParticipantRole, :participant_role, [
     :not_approved,
+    :not_confirmed,
     :rejected,
     :participant,
     :moderator,
@@ -661,9 +662,39 @@ defmodule Mobilizon.Events do
   @doc """
   Gets a single participation for an event and actor.
   """
-  @spec get_participant(integer | String.t(), integer | String.t()) ::
+  @spec get_participant(integer | String.t(), integer | String.t(), map()) ::
           {:ok, Participant.t()} | {:error, :participant_not_found}
-  def get_participant(event_id, actor_id) do
+  def get_participant(event_id, actor_id, params \\ %{})
+
+  # This one if to check someone doesn't go to the same event twice
+  def get_participant(event_id, actor_id, %{email: email}) do
+    case Participant
+         |> where([p], event_id: ^event_id, actor_id: ^actor_id)
+         |> where([p], fragment("? ->>'email' = ?", p.metadata, ^email))
+         |> Repo.one() do
+      %Participant{} = participant ->
+        {:ok, participant}
+
+      nil ->
+        {:error, :participant_not_found}
+    end
+  end
+
+  # This one if for finding participants by their cancellation token when wanting to cancel a participation
+  def get_participant(event_id, actor_id, %{cancellation_token: cancellation_token}) do
+    case Participant
+         |> where([p], event_id: ^event_id, actor_id: ^actor_id)
+         |> where([p], fragment("? ->>'cancellation_token' = ?", p.metadata, ^cancellation_token))
+         |> Repo.one() do
+      %Participant{} = participant ->
+        {:ok, participant}
+
+      nil ->
+        {:error, :participant_not_found}
+    end
+  end
+
+  def get_participant(event_id, actor_id, %{}) do
     case Repo.get_by(Participant, event_id: event_id, actor_id: actor_id) do
       %Participant{} = participant ->
         {:ok, participant}
@@ -673,6 +704,14 @@ defmodule Mobilizon.Events do
     end
   end
 
+  @spec get_participant_by_confirmation_token(String.t()) :: Participant.t()
+  def get_participant_by_confirmation_token(confirmation_token) do
+    Participant
+    |> where([p], fragment("? ->>'confirmation_token' = ?", p.metadata, ^confirmation_token))
+    |> preload([p], [:actor, :event])
+    |> Repo.one()
+  end
+
   @doc """
   Gets a single participation for an event and actor.
 
@@ -706,7 +745,7 @@ defmodule Mobilizon.Events do
 
   @doc """
   Returns the list of participants for an event.
-  Default behaviour is to not return :not_approved participants
+  Default behaviour is to not return :not_approved or :not_confirmed participants
   """
   @spec list_participants_for_event(String.t(), list(atom()), integer | nil, integer | nil) ::
           [Participant.t()]

lib/mobilizon/events/participant.ex

@@ -10,6 +10,7 @@ defmodule Mobilizon.Events.Participant do
   alias Mobilizon.Actors.Actor
   alias Mobilizon.Events
   alias Mobilizon.Events.{Event, ParticipantRole}
+  alias Mobilizon.Web.Email.Checker
 
   alias Mobilizon.Web.Endpoint
 
@@ -28,6 +29,12 @@ defmodule Mobilizon.Events.Participant do
     field(:role, ParticipantRole, default: :participant)
     field(:url, :string)
 
+    embeds_one :metadata, Metadata, on_replace: :delete do
+      field(:email, :string)
+      field(:confirmation_token, :string)
+      field(:cancellation_token, :string)
+    end
+
     belongs_to(:event, Event, primary_key: true)
     belongs_to(:actor, Actor, primary_key: true)
 
@@ -55,11 +62,18 @@ defmodule Mobilizon.Events.Participant do
   def changeset(%__MODULE__{} = participant, attrs) do
     participant
     |> cast(attrs, @attrs)
+    |> cast_embed(:metadata, with: &metadata_changeset/2)
     |> ensure_url()
     |> validate_required(@required_attrs)
     |> unique_constraint(:actor_id, name: :participants_event_id_actor_id_index)
   end
 
+  defp metadata_changeset(schema, params) do
+    schema
+    |> cast(params, [:email, :confirmation_token, :cancellation_token])
+    |> Checker.validate_changeset()
+  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