Add timezone handling

Signed-off-by: Thomas Citharel <tcit@tcit.fr>

lib/mobilizon/addresses/address.ex

@@ -12,17 +12,18 @@ defmodule Mobilizon.Addresses.Address do
   alias Mobilizon.Web.Endpoint
 
   @type t :: %__MODULE__{
-          country: String.t(),
-          locality: String.t(),
-          region: String.t(),
-          description: String.t(),
-          geom: Geo.PostGIS.Geometry.t(),
-          postal_code: String.t(),
-          street: String.t(),
-          type: String.t(),
+          country: String.t() | nil,
+          locality: String.t() | nil,
+          region: String.t() | nil,
+          description: String.t() | nil,
+          geom: Geo.PostGIS.Geometry.t() | nil,
+          postal_code: String.t() | nil,
+          street: String.t() | nil,
+          type: String.t() | nil,
           url: String.t(),
-          origin_id: String.t(),
-          events: [Event.t()]
+          origin_id: String.t() | nil,
+          events: [Event.t()],
+          timezone: String.t() | nil
         }
 
   @required_attrs [:url]
@@ -35,7 +36,8 @@ defmodule Mobilizon.Addresses.Address do
     :postal_code,
     :street,
     :origin_id,
-    :type
+    :type,
+    :timezone
   ]
   @attrs @required_attrs ++ @optional_attrs
 
@@ -50,6 +52,7 @@ defmodule Mobilizon.Addresses.Address do
     field(:type, :string)
     field(:url, :string)
     field(:origin_id, :string)
+    field(:timezone, :string)
 
     has_many(:events, Event, foreign_key: :physical_address_id)
 
@@ -61,6 +64,7 @@ defmodule Mobilizon.Addresses.Address do
   def changeset(%__MODULE__{} = address, attrs) do
     address
     |> cast(attrs, @attrs)
+    |> maybe_set_timezone()
     |> set_url()
     |> validate_required(@required_attrs)
     |> unique_constraint(:url, name: :addresses_url_index)
@@ -90,4 +94,29 @@ defmodule Mobilizon.Addresses.Address do
       "#{address.street} #{address.postal_code} #{address.locality} #{address.region} #{address.country}"
     )
   end
+
+  @spec maybe_set_timezone(Ecto.Changeset.t()) :: Ecto.Changeset.t()
+  defp maybe_set_timezone(%Ecto.Changeset{} = changeset) do
+    case get_change(changeset, :geom) do
+      nil ->
+        changeset
+
+      geom ->
+        case get_field(changeset, :timezone) do
+          # Only update the timezone if the geom has change and we don't already have a set timezone
+          nil -> put_change(changeset, :timezone, timezone(geom))
+          _ -> changeset
+        end
+    end
+  end
+
+  @spec timezone(Geo.PostGIS.Geometry.t() | nil) :: String.t() | nil
+  defp timezone(nil), do: nil
+
+  defp timezone(geom) do
+    case TzWorld.timezone_at(geom) do
+      {:ok, tz} -> tz
+      {:error, _err} -> nil
+    end
+  end
 end

lib/mobilizon/events/event_options.ex

@@ -27,6 +27,7 @@ defmodule Mobilizon.Events.EventOptions do
           participation_condition: [EventParticipationCondition.t()],
           show_start_time: boolean,
           show_end_time: boolean,
+          timezone: String.t() | nil,
           hide_organizer_when_group_event: boolean
         }
 
@@ -41,6 +42,7 @@ defmodule Mobilizon.Events.EventOptions do
     :show_participation_price,
     :show_start_time,
     :show_end_time,
+    :timezone,
     :hide_organizer_when_group_event
   ]
 
@@ -57,6 +59,7 @@ defmodule Mobilizon.Events.EventOptions do
     field(:show_participation_price, :boolean)
     field(:show_start_time, :boolean, default: true)
     field(:show_end_time, :boolean, default: true)
+    field(:timezone, :string)
     field(:hide_organizer_when_group_event, :boolean, default: false)
 
     embeds_many(:offers, EventOffer)

lib/mobilizon/events/events.ex

@@ -401,7 +401,8 @@ defmodule Mobilizon.Events do
     |> Page.build_page(page, limit)
   end
 
-  @spec list_organized_events_for_actor(Actor.t(), integer | nil, integer | nil) :: Page.t()
+  @spec list_organized_events_for_actor(Actor.t(), integer | nil, integer | nil) ::
+          Page.t(Event.t())
   def list_organized_events_for_actor(%Actor{id: actor_id}, page \\ nil, limit \\ nil) do
     actor_id
     |> event_for_actor_query(desc: :begins_on)
@@ -409,13 +410,15 @@ defmodule Mobilizon.Events do
     |> Page.build_page(page, limit)
   end
 
+  @spec list_simple_organized_events_for_group(Actor.t(), integer | nil, integer | nil) ::
+          Page.t(Event.t())
   def list_simple_organized_events_for_group(%Actor{} = actor, page \\ nil, limit \\ nil) do
     list_organized_events_for_group(actor, :all, nil, nil, page, limit)
   end
 
   @spec list_organized_events_for_group(
           Actor.t(),
-          EventVisibility.t(),
+          EventVisibility.t() | :all,
           DateTime.t() | nil,
           DateTime.t() | nil,
           integer | nil,
@@ -885,7 +888,9 @@ defmodule Mobilizon.Events do
   @doc """
   Creates a participant.
   """
-  @spec create_participant(map) :: {:ok, Participant.t()} | {:error, Changeset.t()}
+  @spec create_participant(map) ::
+          {:ok, Participant.t()}
+          | {:error, :participant | :update_event_participation_stats, Changeset.t(), map()}
   def create_participant(attrs \\ %{}, update_event_participation_stats \\ true) do
     with {:ok, %{participant: %Participant{} = participant}} <-
            Multi.new()
@@ -912,7 +917,8 @@ defmodule Mobilizon.Events do
   Updates a participant.
   """
   @spec update_participant(Participant.t(), map) ::
-          {:ok, Participant.t()} | {:error, Changeset.t()}
+          {:ok, Participant.t()}
+          | {:error, :participant | :update_event_participation_stats, Changeset.t(), map()}
   def update_participant(%Participant{role: old_role} = participant, attrs) do
     with {:ok, %{participant: %Participant{} = participant}} <-
            Multi.new()
@@ -1625,11 +1631,12 @@ defmodule Mobilizon.Events do
     from(p in query, where: p.role == ^role)
   end
 
+  @spec event_filter_visibility(Ecto.Queryable.t(), :public | :all) ::
+          Ecto.Queryable.t() | Ecto.Query.t()
   defp event_filter_visibility(query, :all), do: query
 
   defp event_filter_visibility(query, :public) do
-    query
-    |> where(visibility: ^:public, draft: false)
+    where(query, visibility: ^:public, draft: false)
   end
 
   defp event_filter_begins_on(query, nil, nil),