Add anonymous and remote participations

lib/mobilizon/config.ex

@@ -3,14 +3,44 @@ defmodule Mobilizon.Config do
   Configuration wrapper.
   """
 
+  alias Mobilizon.Actors
+  alias Mobilizon.Actors.Actor
+
   @spec instance_config :: keyword
   def instance_config, do: Application.get_env(:mobilizon, :instance)
 
   @spec instance_name :: String.t()
-  def instance_name, do: instance_config()[:name]
+  def instance_name,
+    do:
+      Mobilizon.Admin.get_admin_setting_value(
+        "instance",
+        "instance_name",
+        instance_config()[:name]
+      )
 
   @spec instance_description :: String.t()
-  def instance_description, do: instance_config()[:description]
+  def instance_description,
+    do:
+      Mobilizon.Admin.get_admin_setting_value(
+        "instance",
+        "instance_description",
+        instance_config()[:description]
+      )
+
+  @spec instance_terms(String.t()) :: String.t()
+  def instance_terms(locale \\ "en") do
+    Mobilizon.Admin.get_admin_setting_value("instance", "instance_terms", generate_terms(locale))
+  end
+
+  @spec instance_terms :: String.t()
+  def instance_terms_type do
+    Mobilizon.Admin.get_admin_setting_value("instance", "instance_terms_type", "DEFAULT")
+  end
+
+  @spec instance_terms :: String.t()
+  def instance_terms_url do
+    Mobilizon.Admin.get_admin_setting_value("instance", "instance_terms_url")
+  end
 
   @spec instance_version :: String.t()
   def instance_version, do: Mix.Project.config()[:version]
@@ -19,7 +49,15 @@ defmodule Mobilizon.Config do
   def instance_hostname, do: instance_config()[:hostname]
 
   @spec instance_registrations_open? :: boolean
-  def instance_registrations_open?, do: to_boolean(instance_config()[:registrations_open])
+  def instance_registrations_open?,
+    do:
+      to_boolean(
+        Mobilizon.Admin.get_admin_setting_value(
+          "instance",
+          "registrations_open",
+          instance_config()[:registrations_open]
+        )
+      )
 
   @spec instance_registrations_whitelist :: list(String.t())
   def instance_registrations_whitelist, do: instance_config()[:registration_email_whitelist]
@@ -58,6 +96,51 @@ defmodule Mobilizon.Config do
   def instance_maps_tiles_attribution,
     do: Application.get_env(:mobilizon, :maps)[:tiles][:attribution]
 
+  @spec anonymous_participation? :: boolean
+  def anonymous_participation?,
+    do: Application.get_env(:mobilizon, :anonymous)[:participation][:allowed]
+
+  @spec anonymous_participation_email_required? :: boolean
+  def anonymous_participation_email_required?,
+    do: Application.get_env(:mobilizon, :anonymous)[:participation][:validation][:email][:enabled]
+
+  @spec anonymous_participation_email_confirmation_required? :: boolean
+  def anonymous_participation_email_confirmation_required?,
+    do:
+      Application.get_env(:mobilizon, :anonymous)[:participation][:validation][:email][
+        :confirmation_required
+      ]
+
+  @spec anonymous_participation_email_captcha_required? :: boolean
+  def anonymous_participation_email_captcha_required?,
+    do:
+      Application.get_env(:mobilizon, :anonymous)[:participation][:validation][:captcha][:enabled]
+
+  @spec anonymous_event_creation? :: boolean
+  def anonymous_event_creation?,
+    do: Application.get_env(:mobilizon, :anonymous)[:event_creation][:allowed]
+
+  @spec anonymous_event_creation_email_required? :: boolean
+  def anonymous_event_creation_email_required?,
+    do:
+      Application.get_env(:mobilizon, :anonymous)[:event_creation][:validation][:email][:enabled]
+
+  @spec anonymous_event_creation_email_confirmation_required? :: boolean
+  def anonymous_event_creation_email_confirmation_required?,
+    do:
+      Application.get_env(:mobilizon, :anonymous)[:event_creation][:validation][:email][
+        :confirmation_required
+      ]
+
+  @spec anonymous_event_creation_email_captcha_required? :: boolean
+  def anonymous_event_creation_email_captcha_required?,
+    do:
+      Application.get_env(:mobilizon, :anonymous)[:event_creation][:validation][:captcha][
+        :enabled
+      ]
+
+  def anonymous_actor_id, do: get_cached_value(:anonymous_actor_id)
+
   @spec get(module | atom) :: any
   def get(key), do: get(key, nil)
 
@@ -99,4 +182,38 @@ defmodule Mobilizon.Config do
 
   @spec to_boolean(boolean | String.t()) :: boolean
   defp to_boolean(boolean), do: "true" == String.downcase("#{boolean}")
+
+  defp get_cached_value(key) do
+    case Cachex.fetch(:config, key, fn key ->
+           case create_cache(key) do
+             value when not is_nil(value) -> {:commit, value}
+             err -> {:ignore, err}
+           end
+         end) do
+      {status, value} when status in [:ok, :commit] -> value
+      _err -> nil
+    end
+  end
+
+  @spec create_cache(atom()) :: integer()
+  defp create_cache(:anonymous_actor_id) do
+    with {:ok, %Actor{id: actor_id}} <- Actors.get_or_create_internal_actor("anonymous") do
+      actor_id
+    end
+  end
+
+  def clear_config_cache do
+    Cachex.clear(:config)
+  end
+
+  def generate_terms(locale) do
+    import Mobilizon.Web.Gettext
+    put_locale(locale)
+
+    Phoenix.View.render_to_string(
+      Mobilizon.Web.APIView,
+      "terms.html",
+      []
+    )
+  end
 end