Notifications on event update

Signed-off-by: Thomas Citharel <tcit@tcit.fr>
2019-09-30 18:18:04 +02:00 · 2019-09-30 18:18:04 +02:00 · 5fd38ace2e
parent fd123f56f2
commit 5fd38ace2e
27 changed files with 1106 additions and 44 deletions
--- a/.credo.exs
+++ b/.credo.exs
@ -111,8 +111,7 @@
        {Credo.Check.Refactor.PipeChainStart,
         [
           excluded_argument_types: [:atom, :binary, :fn, :keyword, :number],
-           excluded_functions: [],
-           exit_status: 0
+           excluded_functions: []
         ]},
        {Credo.Check.Refactor.UnlessWithElse, []},

--- a/config/config.exs
+++ b/config/config.exs
@ -112,6 +112,10 @@ config :auto_linker,
 config :phoenix, :format_encoders, json: Jason, "activity-json": Jason
 config :phoenix, :json_library, Jason

+config :ex_cldr,
+  default_locale: "en",
+  default_backend: Mobilizon.Cldr
+
 config :http_signatures,
  adapter: Mobilizon.Service.HTTPSignatures.Signature

--- a/lib/mobilizon/cldr.ex
+++ b/lib/mobilizon/cldr.ex
@ -0,0 +1,9 @@
+defmodule Mobilizon.Cldr do
+  @moduledoc """
+  Module to define supported locales
+  """
+
+  use Cldr,
+    locales: ["cs", "de", "en", "es", "fr", "it", "ja", "nl", "pl", "pt", "ru"],
+    providers: [Cldr.Number, Cldr.Calendar, Cldr.DateTime]
+end
--- a/lib/mobilizon/events/events.ex
+++ b/lib/mobilizon/events/events.ex
@ -262,11 +262,19 @@ defmodule Mobilizon.Events do
  Updates an event.
  """
  @spec update_event(Event.t(), map) :: {:ok, Event.t()} | {:error, Ecto.Changeset.t()}
-  def update_event(%Event{} = event, attrs) do
-    event
-    |> Repo.preload(:tags)
-    |> Event.update_changeset(attrs)
-    |> Repo.update()
+  def update_event(%Event{} = old_event, attrs) do
+    with %Ecto.Changeset{changes: changes} = changeset <-
+           old_event |> Repo.preload(:tags) |> Event.update_changeset(attrs) do
+      with {:ok, %Event{} = new_event} <- Repo.update(changeset) do
+        Mobilizon.Service.Events.Tool.calculate_event_diff_and_send_notifications(
+          old_event,
+          new_event,
+          changes
+        )
+
+        {:ok, new_event}
+      end
+    end
  end

  @doc """
@ -1301,6 +1309,15 @@ defmodule Mobilizon.Events do
    )
  end

+  @spec list_participants_for_event_query(String.t()) :: Ecto.Query.t()
+  def list_local_emails_user_participants_for_event_query(event_id) do
+    Participant
+    |> join(:inner, [p], a in Actor, on: p.actor_id == a.id and is_nil(a.domain))
+    |> join(:left, [_p, a], u in User, on: a.user_id == u.id)
+    |> where([p], p.event_id == ^event_id)
+    |> select([_p, a, u], {a, u})
+  end
+
  @spec list_participations_for_user_query(integer()) :: Ecto.Query.t()
  defp list_participations_for_user_query(user_id) do
    from(
--- a/lib/mobilizon_web/email/email.ex
+++ b/lib/mobilizon_web/email/email.ex
@ -11,7 +11,8 @@ defmodule MobilizonWeb.Email do
  def base_email(args) do
    instance = Config.instance_config()

-    new_email(args)
+    args
+    |> new_email()
    |> from(Config.instance_email_from())
    |> put_header("Reply-To", Config.instance_email_reply_to())
    |> assign(:instance, instance)
--- a/lib/mobilizon_web/email/event.ex
+++ b/lib/mobilizon_web/email/event.ex
@ -0,0 +1,43 @@
+defmodule MobilizonWeb.Email.Event do
+  @moduledoc """
+  Handles emails sent about events.
+  """
+
+  use Bamboo.Phoenix, view: MobilizonWeb.EmailView
+
+  import Bamboo.Phoenix
+
+  import MobilizonWeb.Gettext
+
+  alias Mobilizon.Events.Event
+  alias Mobilizon.Actors.Actor
+  alias Mobilizon.Users.User
+  alias MobilizonWeb.Email
+
+  @spec event_updated(User.t(), Actor.t(), Event.t(), Event.t(), list(), String.t()) ::
+          Bamboo.Email.t()
+  def event_updated(
+        %User{} = user,
+        %Actor{} = actor,
+        %Event{} = old_event,
+        %Event{} = event,
+        changes,
+        locale \\ "en"
+      ) do
+    Gettext.put_locale(locale)
+
+    subject =
+      gettext(
+        "Event %{title} has been updated",
+        title: old_event.title
+      )
+
+    Email.base_email(to: {Actor.display_name(actor), user.email}, subject: subject)
+    |> assign(:locale, locale)
+    |> assign(:event, event)
+    |> assign(:old_event, old_event)
+    |> assign(:changes, changes)
+    |> assign(:subject, subject)
+    |> render(:event_updated)
+  end
+end
--- a/lib/mobilizon_web/templates/email/event_participation_rejected.html.eex
+++ b/lib/mobilizon_web/templates/email/event_participation_rejected.html.eex
@ -35,7 +35,7 @@
              <tr>
                <td bgcolor="#ffffff" align="left" style="padding: 20px 30px 0px 30px; color: #666666; font-family: 'Lato', Helvetica, Arial, sans-serif; font-size: 18px; font-weight: 400; line-height: 25px;" >
                  <p style="margin: 0;">
-                    <%= gettext "You requested to participate in event %{title}", title: @event.title %>
+                    <%= gettext "You requested to participate in event %{title}.", title: @event.title %>
                  </p>
                </td>
              </tr>
--- a/lib/mobilizon_web/templates/email/event_updated.html.eex
+++ b/lib/mobilizon_web/templates/email/event_updated.html.eex
@ -0,0 +1,110 @@
+<!-- HERO -->
+    <tr>
+        <td bgcolor="#424056" align="center" style="padding: 0px 10px 0px 10px;">
+            <!--[if (gte mso 9)|(IE)]>
+            <table align="center" border="0" cellspacing="0" cellpadding="0" width="600">
+            <tr>
+            <td align="center" valign="top" width="600">
+            <![endif]-->
+            <table border="0" cellpadding="0" cellspacing="0" width="100%" style="max-width: 600px;" >
+                <tr>
+                    <td bgcolor="#ffffff" align="center" valign="top" style="padding: 40px 20px 20px 20px; border-radius: 4px 4px 0px 0px; color: #111111; font-family: 'Lato', Helvetica, Arial, sans-serif; font-size: 48px; font-weight: 400; letter-spacing: 4px; line-height: 48px;">
+                      <h1 style="font-size: 48px; font-weight: 400; margin: 0;">
+                      <%= gettext "Event updated!" %>
+                      </h1>
+                    </td>
+                </tr>
+            </table>
+            <!--[if (gte mso 9)|(IE)]>
+            </td>
+            </tr>
+            </table>
+            <![endif]-->
+        </td>
+    </tr>
+    <!-- COPY BLOCK -->
+    <tr>
+        <td bgcolor="#f4f4f4" align="center" style="padding: 0px 10px 0px 10px;">
+            <!--[if (gte mso 9)|(IE)]>
+            <table align="center" border="0" cellspacing="0" cellpadding="0" width="600">
+            <tr>
+            <td align="center" valign="top" width="600">
+            <![endif]-->
+            <table border="0" cellpadding="0" cellspacing="0" width="100%" style="max-width: 600px;" >
+              <!-- COPY -->
+              <tr>
+                <td bgcolor="#ffffff" align="left" style="padding: 20px 30px 0px 30px; color: #666666; font-family: 'Lato', Helvetica, Arial, sans-serif; font-size: 18px; font-weight: 400; line-height: 25px;" >
+                  <p style="margin: 0;">
+                    <%= gettext "The event %{title} was updated", title: @old_event.title %>
+                  </p>
+                </td>
+              </tr>
+              <tr>
+                <td bgcolor="#ffffff" align="left" style="padding: 20px 30px 40px 30px; color: #777777; font-family: 'Lato', Helvetica, Arial, sans-serif; font-size: 18px; font-weight: 400; line-height: 25px;" >
+                  <table width="100%">
+                    <%= if MapSet.member?(@changes, :title) do %>
+                      <tr>
+                        <td bgcolor="#ffffff" align="left">
+                          <%= gettext "Title" %>
+                        </td>
+                        <td bgcolor="#ffffff" align="left">
+                          <%= @event.title %>
+                        </td>
+                      </tr>
+                    <% end %>
+                    <%= if MapSet.member?(@changes, :begins_on) do %>
+                      <tr>
+                        <td bgcolor="#ffffff" align="left">
+                          <%= gettext "Start of event" %>
+                        </td>
+                        <td bgcolor="#ffffff" align="left">
+                          <%= datetime_to_string(@event.begins_on) %>
+                        </td>
+                      </tr>
+                    <% end %>
+                    <%= if MapSet.member?(@changes, :ends_on) do %>
+                      <tr>
+                        <td bgcolor="#ffffff" align="left">
+                          <%= gettext "Ending of event" %>
+                        </td>
+                        <td bgcolor="#ffffff" align="left">
+                          <%= datetime_to_string(@event.ends_on) %>
+                        </td>
+                      </tr>
+                    <% end %>
+                </table>
+                </td>
+              </tr>
+              <!-- BULLETPROOF BUTTON -->
+              <tr>
+                <td bgcolor="#ffffff" align="left">
+                  <table width="100%" border="0" cellspacing="0" cellpadding="0">
+                    <tr>
+                      <td bgcolor="#ffffff" align="center" style="padding: 20px 30px 60px 30px;">
+                        <table border="0" cellspacing="0" cellpadding="0">
+                          <tr>
+                              <td align="center" style="border-radius: 3px;" bgcolor="#424056"><a href="<%= page_url(MobilizonWeb.Endpoint, :event, @event.id) %>" target="_blank" style="font-size: 20px; font-family: Helvetica, Arial, sans-serif; color: #ffffff; text-decoration: none; color: #ffffff; text-decoration: none; padding: 15px 25px; border-radius: 2px; border: 1px solid #424056; display: inline-block;">
+                              <%= gettext "Go to event page" %>
+                              </a></td>
+                          </tr>
+                        </table>
+                      </td>
+                    </tr>
+                  </table>
+                </td>
+              </tr>
+              <tr>
+                <td bgcolor="#ffffff" align="left" style="padding: 20px 30px 40px 30px; color: #777777; font-family: 'Lato', Helvetica, Arial, sans-serif; font-size: 14px; font-weight: 400; line-height: 20px;" >
+                  <p style="margin: 0">
+                    <%= gettext "If you need to cancel your participation, just access the event page through link above and click on the participation button." %>
+                  </p>
+                </td>
+              </tr>
+            </table>
+            <!--[if (gte mso 9)|(IE)]>
+            </td>
+            </tr>
+            </table>
+            <![endif]-->
+        </td>
+    </tr>
--- a/lib/mobilizon_web/templates/email/event_updated.text.eex
+++ b/lib/mobilizon_web/templates/email/event_updated.text.eex
@ -0,0 +1,21 @@
+<%= gettext "Event updated!" %>
+
+==
+
+<%= gettext "The event %{title} was just updated", title: @old_event.title %>
+
+<%= if MapSet.member?(@changes, :title) do %>
+    <%= gettext "New title: %{title}", title: @event.title %>
+<% end %>
+
+<%= if MapSet.member?(@changes, :begins_on) do %>
+    <%= gettext "New date and time for start of event: %{begins_on}", begins_on: datetime_to_string(@event.begins_on) %>
+<% end %>
+
+<%= if MapSet.member?(@changes, :ends_on) do %>
+    <%= gettext "New date and time for ending of event: %{ends_on}", ends_on: datetime_to_string(@event.ends_on) %>
+<% end %>
+
+<%= gettext "View the updated event on: %{link}", link: page_url(MobilizonWeb.Endpoint, :event, @event.id) %>
+
+<%= gettext "If you need to cancel your participation, just access the event page through link above and click on the participation button." %>
--- a/lib/mobilizon_web/views/email_view.ex
+++ b/lib/mobilizon_web/views/email_view.ex
@ -1,3 +1,10 @@
 defmodule MobilizonWeb.EmailView do
  use MobilizonWeb, :view
+
+  def datetime_to_string(%DateTime{} = datetime, locale \\ "en") do
+    with {:ok, string} <-
+           Cldr.DateTime.to_string(datetime, Mobilizon.Cldr, format: :medium, locale: locale) do
+      string
+    end
+  end
 end
--- a/lib/service/events/tools.ex
+++ b/lib/service/events/tools.ex
@ -0,0 +1,50 @@
+defmodule Mobilizon.Service.Events.Tool do
+  @moduledoc """
+  Event-related tools
+  """
+  alias Mobilizon.Events
+  alias Mobilizon.Events.Event
+  alias Mobilizon.Actors.Actor
+  alias Mobilizon.Users.User
+  alias MobilizonWeb.Email
+  alias Mobilizon.Storage.Repo
+
+  @important_changes [:title, :begins_on, :ends_on]
+
+  def calculate_event_diff_and_send_notifications(
+        %Event{} = old_event,
+        %Event{id: event_id} = event,
+        changes
+      ) do
+    important = MapSet.new(@important_changes)
+
+    diff =
+      changes
+      |> Map.keys()
+      |> MapSet.new()
+      |> MapSet.intersection(important)
+
+    if MapSet.size(diff) > 0 do
+      Repo.transaction(fn ->
+        event_id
+        |> Events.list_local_emails_user_participants_for_event_query()
+        |> Repo.stream()
+        |> Enum.to_list()
+        |> Enum.each(
+          &send_notification_for_event_update_to_participant(&1, old_event, event, diff)
+        )
+      end)
+    end
+  end
+
+  defp send_notification_for_event_update_to_participant(
+         {%Actor{} = actor, %User{} = user},
+         %Event{} = old_event,
+         %Event{} = event,
+         diff
+       ) do
+    user
+    |> Email.Event.event_updated(actor, old_event, event, diff)
+    |> Email.Mailer.deliver_later()
+  end
+end
--- a/mix.exs
+++ b/mix.exs
@ -97,6 +97,7 @@ defmodule Mobilizon.Mixfile do
       git: "https://git.pleroma.social/pleroma/http_signatures.git",
       ref: "293d77bb6f4a67ac8bde1428735c3b42f22cbb30"},
      {:html_sanitize_ex, "~> 1.3.0"},
+      {:ex_cldr_dates_times, "~> 2.0"},
      # Dev and test dependencies
      {:phoenix_live_reload, "~> 1.2", only: :dev},
      {:ex_machina, "~> 2.3", only: [:dev, :test]},
--- a/mix.lock
+++ b/mix.lock
@ -12,6 +12,7 @@
  "bunt": {:hex, :bunt, "0.2.0", "951c6e801e8b1d2cbe58ebbd3e616a869061ddadcc4863d0a2182541acae9a38", [:mix], [], "hexpm"},
  "cachex": {:hex, :cachex, "3.2.0", "a596476c781b0646e6cb5cd9751af2e2974c3e0d5498a8cab71807618b74fe2f", [:mix], [{:eternal, "~> 1.2", [hex: :eternal, repo: "hexpm", optional: false]}, {:jumper, "~> 1.0", [hex: :jumper, repo: "hexpm", optional: false]}, {:sleeplocks, "~> 1.1", [hex: :sleeplocks, repo: "hexpm", optional: false]}, {:unsafe, "~> 1.0", [hex: :unsafe, repo: "hexpm", optional: false]}], "hexpm"},
  "certifi": {:hex, :certifi, "2.5.1", "867ce347f7c7d78563450a18a6a28a8090331e77fa02380b4a21962a65d36ee5", [:rebar3], [{:parse_trans, "~>3.3", [hex: :parse_trans, repo: "hexpm", optional: false]}], "hexpm"},
+  "cldr_utils": {:hex, :cldr_utils, "2.4.0", "53609273da803395e12f288cc25587ddb2238b533633b432471193c5f8b0d96a", [:mix], [{:decimal, "~> 1.5", [hex: :decimal, repo: "hexpm", optional: false]}], "hexpm"},
  "combine": {:hex, :combine, "0.10.0", "eff8224eeb56498a2af13011d142c5e7997a80c8f5b97c499f84c841032e429f", [:mix], [], "hexpm"},
  "comeonin": {:hex, :comeonin, "5.1.2", "fbbbbbfcf0f0e9900c0336d16c8d462edf838ba1759577e29cc5fbd7c28a4540", [:mix], [], "hexpm"},
  "connection": {:hex, :connection, "1.0.4", "a1cae72211f0eef17705aaededacac3eb30e6625b04a6117c1b2db6ace7d5976", [:mix], [], "hexpm"},
@ -32,6 +33,11 @@
  "elixir_make": {:hex, :elixir_make, "0.6.0", "38349f3e29aff4864352084fc736fa7fa0f2995a819a737554f7ebd28b85aaab", [:mix], [], "hexpm"},
  "erlex": {:hex, :erlex, "0.2.5", "e51132f2f472e13d606d808f0574508eeea2030d487fc002b46ad97e738b0510", [:mix], [], "hexpm"},
  "eternal": {:hex, :eternal, "1.2.1", "d5b6b2499ba876c57be2581b5b999ee9bdf861c647401066d3eeed111d096bc4", [:mix], [], "hexpm"},
+  "ex_cldr": {:hex, :ex_cldr, "2.10.2", "5b9062c2a72b3a834ded2eeb49c8da77dde32f417fe523e884931af2a82cac7e", [:mix], [{:cldr_utils, "~> 2.3", [hex: :cldr_utils, repo: "hexpm", optional: false]}, {:decimal, "~> 1.6", [hex: :decimal, repo: "hexpm", optional: false]}, {:gettext, "~> 0.13", [hex: :gettext, repo: "hexpm", optional: true]}, {:jason, "~> 1.0", [hex: :jason, repo: "hexpm", optional: true]}, {:nimble_parsec, "~> 0.5", [hex: :nimble_parsec, repo: "hexpm", optional: false]}, {:plug, "~> 1.4", [hex: :plug, repo: "hexpm", optional: true]}, {:telemetry, "~> 0.4.0", [hex: :telemetry, repo: "hexpm", optional: true]}], "hexpm"},
+  "ex_cldr_calendars": {:hex, :ex_cldr_calendars, "1.4.0", "c7adf1e752b0cbad6f565246a583f1d056ad05fdc0c7fb8b66d498d1b381225f", [:mix], [{:ex_cldr, "~> 2.8", [hex: :ex_cldr, repo: "hexpm", optional: false]}, {:ex_cldr_lists, "~> 2.4", [hex: :ex_cldr_lists, repo: "hexpm", optional: true]}, {:ex_cldr_units, "~> 2.0", [hex: :ex_cldr_units, repo: "hexpm", optional: true]}, {:jason, "~> 1.0", [hex: :jason, repo: "hexpm", optional: false]}], "hexpm"},
+  "ex_cldr_currencies": {:hex, :ex_cldr_currencies, "2.3.0", "bffae489416b8b05d4683403263f5d62aae17de70c24ff915a533541fea514de", [:mix], [{:ex_cldr, "~> 2.6", [hex: :ex_cldr, repo: "hexpm", optional: false]}, {:jason, "~> 1.0", [hex: :jason, repo: "hexpm", optional: true]}], "hexpm"},
+  "ex_cldr_dates_times": {:hex, :ex_cldr_dates_times, "2.2.3", "4a82f6af48f55c92c0d28be066e5b2451e807e3f49246d08845af664fd7cb712", [:mix], [{:ex_cldr, "~> 2.8", [hex: :ex_cldr, repo: "hexpm", optional: false]}, {:ex_cldr_calendars, "~> 1.2", [hex: :ex_cldr_calendars, repo: "hexpm", optional: false]}, {:ex_cldr_numbers, "~> 2.6", [hex: :ex_cldr_numbers, repo: "hexpm", optional: false]}, {:jason, "~> 1.0", [hex: :jason, repo: "hexpm", optional: true]}], "hexpm"},
+  "ex_cldr_numbers": {:hex, :ex_cldr_numbers, "2.7.2", "0967d9f38e80819938b95b544f2689b45e1ecfe6487b96666d3833dde377ede4", [:mix], [{:decimal, "~> 1.5", [hex: :decimal, repo: "hexpm", optional: false]}, {:ex_cldr, "~> 2.6", [hex: :ex_cldr, repo: "hexpm", optional: false]}, {:ex_cldr_currencies, "~> 2.3", [hex: :ex_cldr_currencies, repo: "hexpm", optional: false]}, {:jason, "~> 1.0", [hex: :jason, repo: "hexpm", optional: true]}], "hexpm"},
  "ex_crypto": {:hex, :ex_crypto, "0.10.0", "af600a89b784b36613a989da6e998c1b200ff1214c3cfbaf8deca4aa2f0a1739", [:mix], [{:poison, ">= 2.0.0", [hex: :poison, repo: "hexpm", optional: false]}], "hexpm"},
  "ex_doc": {:hex, :ex_doc, "0.21.2", "caca5bc28ed7b3bdc0b662f8afe2bee1eedb5c3cf7b322feeeb7c6ebbde089d6", [:mix], [{:earmark, "~> 1.3.3 or ~> 1.4", [hex: :earmark, repo: "hexpm", optional: false]}, {:makeup_elixir, "~> 0.14", [hex: :makeup_elixir, repo: "hexpm", optional: false]}], "hexpm"},
  "ex_ical": {:hex, :ex_ical, "0.2.0", "4b928b554614704016cc0c9ee226eb854da9327a1cc460457621ceacb1ac29a6", [:mix], [{:timex, "~> 3.1", [hex: :timex, repo: "hexpm", optional: false]}], "hexpm"},
--- a/priv/gettext/cs/LC_MESSAGES/default.po
+++ b/priv/gettext/cs/LC_MESSAGES/default.po
@ -155,11 +155,14 @@ msgstr ""

 #, elixir-format
 #: lib/mobilizon_web/templates/email/event_participation_approved.html.eex:58
+#: lib/mobilizon_web/templates/email/event_updated.html.eex:87
 msgid "Go to event page"
 msgstr ""

 #, elixir-format
 #: lib/mobilizon_web/templates/email/event_participation_approved.html.eex:70
+#: lib/mobilizon_web/templates/email/event_updated.html.eex:99
+#: lib/mobilizon_web/templates/email/event_updated.text.eex:21
 msgid "If you need to cancel your participation, just access the event page through link above and click on the participation button."
 msgstr ""

@ -221,12 +224,12 @@ msgstr ""

 #, elixir-format
 #: lib/mobilizon_web/templates/email/event_participation_approved.html.eex:38
-#: lib/mobilizon_web/templates/email/event_participation_rejected.html.eex:38
 msgid "You requested to participate in event %{title}"
 msgstr ""

 #, elixir-format
 #: lib/mobilizon_web/templates/email/event_participation_approved.text.eex:5
+#: lib/mobilizon_web/templates/email/event_participation_rejected.html.eex:38
 #: lib/mobilizon_web/templates/email/event_participation_rejected.text.eex:5
 msgid "You requested to participate in event %{title}."
 msgstr ""
@ -240,3 +243,59 @@ msgstr ""
 #: lib/mobilizon_web/email/participation.ex:52
 msgid "Your participation to event %{title} has been rejected"
 msgstr ""
+
+#, elixir-format
+#: lib/mobilizon_web/templates/email/event_updated.html.eex:68
+msgid "Ending of event"
+msgstr ""
+
+#, elixir-format
+#: lib/mobilizon_web/email/event.ex:29
+msgid "Event %{title} has been updated"
+msgstr ""
+
+#, elixir-format
+#: lib/mobilizon_web/templates/email/event_updated.html.eex:13
+#: lib/mobilizon_web/templates/email/event_updated.text.eex:1
+msgid "Event updated!"
+msgstr ""
+
+#, elixir-format
+#: lib/mobilizon_web/templates/email/event_updated.text.eex:16
+msgid "New date and time for ending of event: %{ends_on}"
+msgstr ""
+
+#, elixir-format
+#: lib/mobilizon_web/templates/email/event_updated.text.eex:12
+msgid "New date and time for start of event: %{begins_on}"
+msgstr ""
+
+#, elixir-format
+#: lib/mobilizon_web/templates/email/event_updated.text.eex:8
+msgid "New title: %{title}"
+msgstr ""
+
+#, elixir-format
+#: lib/mobilizon_web/templates/email/event_updated.html.eex:58
+msgid "Start of event"
+msgstr ""
+
+#, elixir-format
+#: lib/mobilizon_web/templates/email/event_updated.text.eex:5
+msgid "The event %{title} was just updated"
+msgstr ""
+
+#, elixir-format
+#: lib/mobilizon_web/templates/email/event_updated.html.eex:38
+msgid "The event %{title} was updated"
+msgstr ""
+
+#, elixir-format
+#: lib/mobilizon_web/templates/email/event_updated.html.eex:48
+msgid "Title"
+msgstr ""
+
+#, elixir-format
+#: lib/mobilizon_web/templates/email/event_updated.text.eex:19
+msgid "View the updated event on: %{link}"
+msgstr ""
--- a/priv/gettext/de/LC_MESSAGES/default.po
+++ b/priv/gettext/de/LC_MESSAGES/default.po
@ -155,11 +155,14 @@ msgstr ""

 #, elixir-format
 #: lib/mobilizon_web/templates/email/event_participation_approved.html.eex:58
+#: lib/mobilizon_web/templates/email/event_updated.html.eex:87
 msgid "Go to event page"
 msgstr ""

 #, elixir-format
 #: lib/mobilizon_web/templates/email/event_participation_approved.html.eex:70
+#: lib/mobilizon_web/templates/email/event_updated.html.eex:99
+#: lib/mobilizon_web/templates/email/event_updated.text.eex:21
 msgid "If you need to cancel your participation, just access the event page through link above and click on the participation button."
 msgstr ""

@ -221,12 +224,12 @@ msgstr ""

 #, elixir-format
 #: lib/mobilizon_web/templates/email/event_participation_approved.html.eex:38
-#: lib/mobilizon_web/templates/email/event_participation_rejected.html.eex:38
 msgid "You requested to participate in event %{title}"
 msgstr ""

 #, elixir-format
 #: lib/mobilizon_web/templates/email/event_participation_approved.text.eex:5
+#: lib/mobilizon_web/templates/email/event_participation_rejected.html.eex:38
 #: lib/mobilizon_web/templates/email/event_participation_rejected.text.eex:5
 msgid "You requested to participate in event %{title}."
 msgstr ""
@ -240,3 +243,59 @@ msgstr ""
 #: lib/mobilizon_web/email/participation.ex:52
 msgid "Your participation to event %{title} has been rejected"
 msgstr ""
+
+#, elixir-format
+#: lib/mobilizon_web/templates/email/event_updated.html.eex:68
+msgid "Ending of event"
+msgstr ""
+
+#, elixir-format
+#: lib/mobilizon_web/email/event.ex:29
+msgid "Event %{title} has been updated"
+msgstr ""
+
+#, elixir-format
+#: lib/mobilizon_web/templates/email/event_updated.html.eex:13
+#: lib/mobilizon_web/templates/email/event_updated.text.eex:1
+msgid "Event updated!"
+msgstr ""
+
+#, elixir-format
+#: lib/mobilizon_web/templates/email/event_updated.text.eex:16
+msgid "New date and time for ending of event: %{ends_on}"
+msgstr ""
+
+#, elixir-format
+#: lib/mobilizon_web/templates/email/event_updated.text.eex:12
+msgid "New date and time for start of event: %{begins_on}"
+msgstr ""
+
+#, elixir-format
+#: lib/mobilizon_web/templates/email/event_updated.text.eex:8
+msgid "New title: %{title}"
+msgstr ""
+
+#, elixir-format
+#: lib/mobilizon_web/templates/email/event_updated.html.eex:58
+msgid "Start of event"
+msgstr ""
+
+#, elixir-format
+#: lib/mobilizon_web/templates/email/event_updated.text.eex:5
+msgid "The event %{title} was just updated"
+msgstr ""
+
+#, elixir-format
+#: lib/mobilizon_web/templates/email/event_updated.html.eex:38
+msgid "The event %{title} was updated"
+msgstr ""
+
+#, elixir-format
+#: lib/mobilizon_web/templates/email/event_updated.html.eex:48
+msgid "Title"
+msgstr ""
+
+#, elixir-format
+#: lib/mobilizon_web/templates/email/event_updated.text.eex:19
+msgid "View the updated event on: %{link}"
+msgstr ""
--- a/priv/gettext/default.pot
+++ b/priv/gettext/default.pot
@ -141,11 +141,14 @@ msgstr ""

 #, elixir-format
 #: lib/mobilizon_web/templates/email/event_participation_approved.html.eex:58
+#: lib/mobilizon_web/templates/email/event_updated.html.eex:87
 msgid "Go to event page"
 msgstr ""

 #, elixir-format
 #: lib/mobilizon_web/templates/email/event_participation_approved.html.eex:70
+#: lib/mobilizon_web/templates/email/event_updated.html.eex:99
+#: lib/mobilizon_web/templates/email/event_updated.text.eex:21
 msgid "If you need to cancel your participation, just access the event page through link above and click on the participation button."
 msgstr ""

@ -207,12 +210,12 @@ msgstr ""

 #, elixir-format
 #: lib/mobilizon_web/templates/email/event_participation_approved.html.eex:38
-#: lib/mobilizon_web/templates/email/event_participation_rejected.html.eex:38
 msgid "You requested to participate in event %{title}"
 msgstr ""

 #, elixir-format
 #: lib/mobilizon_web/templates/email/event_participation_approved.text.eex:5
+#: lib/mobilizon_web/templates/email/event_participation_rejected.html.eex:38
 #: lib/mobilizon_web/templates/email/event_participation_rejected.text.eex:5
 msgid "You requested to participate in event %{title}."
 msgstr ""
@ -226,3 +229,59 @@ msgstr ""
 #: lib/mobilizon_web/email/participation.ex:52
 msgid "Your participation to event %{title} has been rejected"
 msgstr ""
+
+#, elixir-format
+#: lib/mobilizon_web/templates/email/event_updated.html.eex:68
+msgid "Ending of event"
+msgstr ""
+
+#, elixir-format
+#: lib/mobilizon_web/email/event.ex:29
+msgid "Event %{title} has been updated"
+msgstr ""
+
+#, elixir-format
+#: lib/mobilizon_web/templates/email/event_updated.html.eex:13
+#: lib/mobilizon_web/templates/email/event_updated.text.eex:1
+msgid "Event updated!"
+msgstr ""
+
+#, elixir-format
+#: lib/mobilizon_web/templates/email/event_updated.text.eex:16
+msgid "New date and time for ending of event: %{ends_on}"
+msgstr ""
+
+#, elixir-format
+#: lib/mobilizon_web/templates/email/event_updated.text.eex:12
+msgid "New date and time for start of event: %{begins_on}"
+msgstr ""
+
+#, elixir-format
+#: lib/mobilizon_web/templates/email/event_updated.text.eex:8
+msgid "New title: %{title}"
+msgstr ""
+
+#, elixir-format
+#: lib/mobilizon_web/templates/email/event_updated.html.eex:58
+msgid "Start of event"
+msgstr ""
+
+#, elixir-format
+#: lib/mobilizon_web/templates/email/event_updated.text.eex:5
+msgid "The event %{title} was just updated"
+msgstr ""
+
+#, elixir-format
+#: lib/mobilizon_web/templates/email/event_updated.html.eex:38
+msgid "The event %{title} was updated"
+msgstr ""
+
+#, elixir-format
+#: lib/mobilizon_web/templates/email/event_updated.html.eex:48
+msgid "Title"
+msgstr ""
+
+#, elixir-format
+#: lib/mobilizon_web/templates/email/event_updated.text.eex:19
+msgid "View the updated event on: %{link}"
+msgstr ""
--- a/priv/gettext/en/LC_MESSAGES/default.po
+++ b/priv/gettext/en/LC_MESSAGES/default.po
@ -167,11 +167,14 @@ msgstr ""

 #, elixir-format
 #: lib/mobilizon_web/templates/email/event_participation_approved.html.eex:58
+#: lib/mobilizon_web/templates/email/event_updated.html.eex:87
 msgid "Go to event page"
 msgstr ""

 #, elixir-format
 #: lib/mobilizon_web/templates/email/event_participation_approved.html.eex:70
+#: lib/mobilizon_web/templates/email/event_updated.html.eex:99
+#: lib/mobilizon_web/templates/email/event_updated.text.eex:21
 msgid "If you need to cancel your participation, just access the event page through link above and click on the participation button."
 msgstr ""

@ -237,12 +240,12 @@ msgstr "You requested a new password for your account on %{server}."

 #, elixir-format
 #: lib/mobilizon_web/templates/email/event_participation_approved.html.eex:38
-#: lib/mobilizon_web/templates/email/event_participation_rejected.html.eex:38
 msgid "You requested to participate in event %{title}"
 msgstr ""

 #, elixir-format
 #: lib/mobilizon_web/templates/email/event_participation_approved.text.eex:5
+#: lib/mobilizon_web/templates/email/event_participation_rejected.html.eex:38
 #: lib/mobilizon_web/templates/email/event_participation_rejected.text.eex:5
 msgid "You requested to participate in event %{title}."
 msgstr ""
@ -256,3 +259,59 @@ msgstr ""
 #: lib/mobilizon_web/email/participation.ex:52
 msgid "Your participation to event %{title} has been rejected"
 msgstr ""
+
+#, elixir-format
+#: lib/mobilizon_web/templates/email/event_updated.html.eex:68
+msgid "Ending of event"
+msgstr ""
+
+#, elixir-format
+#: lib/mobilizon_web/email/event.ex:29
+msgid "Event %{title} has been updated"
+msgstr ""
+
+#, elixir-format
+#: lib/mobilizon_web/templates/email/event_updated.html.eex:13
+#: lib/mobilizon_web/templates/email/event_updated.text.eex:1
+msgid "Event updated!"
+msgstr ""
+
+#, elixir-format
+#: lib/mobilizon_web/templates/email/event_updated.text.eex:16
+msgid "New date and time for ending of event: %{ends_on}"
+msgstr ""
+
+#, elixir-format
+#: lib/mobilizon_web/templates/email/event_updated.text.eex:12
+msgid "New date and time for start of event: %{begins_on}"
+msgstr ""
+
+#, elixir-format
+#: lib/mobilizon_web/templates/email/event_updated.text.eex:8
+msgid "New title: %{title}"
+msgstr ""
+
+#, elixir-format
+#: lib/mobilizon_web/templates/email/event_updated.html.eex:58
+msgid "Start of event"
+msgstr ""
+
+#, elixir-format
+#: lib/mobilizon_web/templates/email/event_updated.text.eex:5
+msgid "The event %{title} was just updated"
+msgstr ""
+
+#, elixir-format
+#: lib/mobilizon_web/templates/email/event_updated.html.eex:38
+msgid "The event %{title} was updated"
+msgstr ""
+
+#, elixir-format
+#: lib/mobilizon_web/templates/email/event_updated.html.eex:48
+msgid "Title"
+msgstr ""
+
+#, elixir-format
+#: lib/mobilizon_web/templates/email/event_updated.text.eex:19
+msgid "View the updated event on: %{link}"
+msgstr ""
--- a/priv/gettext/es/LC_MESSAGES/default.po
+++ b/priv/gettext/es/LC_MESSAGES/default.po
@ -155,11 +155,14 @@ msgstr ""

 #, elixir-format
 #: lib/mobilizon_web/templates/email/event_participation_approved.html.eex:58
+#: lib/mobilizon_web/templates/email/event_updated.html.eex:87
 msgid "Go to event page"
 msgstr ""

 #, elixir-format
 #: lib/mobilizon_web/templates/email/event_participation_approved.html.eex:70
+#: lib/mobilizon_web/templates/email/event_updated.html.eex:99
+#: lib/mobilizon_web/templates/email/event_updated.text.eex:21
 msgid "If you need to cancel your participation, just access the event page through link above and click on the participation button."
 msgstr ""

@ -221,12 +224,12 @@ msgstr ""

 #, elixir-format
 #: lib/mobilizon_web/templates/email/event_participation_approved.html.eex:38
-#: lib/mobilizon_web/templates/email/event_participation_rejected.html.eex:38
 msgid "You requested to participate in event %{title}"
 msgstr ""

 #, elixir-format
 #: lib/mobilizon_web/templates/email/event_participation_approved.text.eex:5
+#: lib/mobilizon_web/templates/email/event_participation_rejected.html.eex:38
 #: lib/mobilizon_web/templates/email/event_participation_rejected.text.eex:5
 msgid "You requested to participate in event %{title}."
 msgstr ""
@ -240,3 +243,59 @@ msgstr ""
 #: lib/mobilizon_web/email/participation.ex:52
 msgid "Your participation to event %{title} has been rejected"
 msgstr ""
+
+#, elixir-format
+#: lib/mobilizon_web/templates/email/event_updated.html.eex:68
+msgid "Ending of event"
+msgstr ""
+
+#, elixir-format
+#: lib/mobilizon_web/email/event.ex:29
+msgid "Event %{title} has been updated"
+msgstr ""
+
+#, elixir-format
+#: lib/mobilizon_web/templates/email/event_updated.html.eex:13
+#: lib/mobilizon_web/templates/email/event_updated.text.eex:1
+msgid "Event updated!"
+msgstr ""
+
+#, elixir-format
+#: lib/mobilizon_web/templates/email/event_updated.text.eex:16
+msgid "New date and time for ending of event: %{ends_on}"
+msgstr ""
+
+#, elixir-format
+#: lib/mobilizon_web/templates/email/event_updated.text.eex:12
+msgid "New date and time for start of event: %{begins_on}"
+msgstr ""
+
+#, elixir-format
+#: lib/mobilizon_web/templates/email/event_updated.text.eex:8
+msgid "New title: %{title}"
+msgstr ""
+
+#, elixir-format
+#: lib/mobilizon_web/templates/email/event_updated.html.eex:58
+msgid "Start of event"
+msgstr ""
+
+#, elixir-format
+#: lib/mobilizon_web/templates/email/event_updated.text.eex:5
+msgid "The event %{title} was just updated"
+msgstr ""
+
+#, elixir-format
+#: lib/mobilizon_web/templates/email/event_updated.html.eex:38
+msgid "The event %{title} was updated"
+msgstr ""
+
+#, elixir-format
+#: lib/mobilizon_web/templates/email/event_updated.html.eex:48
+msgid "Title"
+msgstr ""
+
+#, elixir-format
+#: lib/mobilizon_web/templates/email/event_updated.text.eex:19
+msgid "View the updated event on: %{link}"
+msgstr ""
--- a/priv/gettext/fr_FR/LC_MESSAGES/default.po
+++ b/priv/gettext/fr_FR/LC_MESSAGES/default.po
@ -10,16 +10,15 @@ msgid ""
 msgstr ""
 "Project-Id-Version: \n"
 "POT-Creation-Date: \n"
-"PO-Revision-Date: 2019-09-23 17:59+0000\n"
+"PO-Revision-Date: 2019-09-30 17:58+0200\n"
 "Last-Translator: Thomas Citharel <thomas.citharel@framasoft.org>\n"
-"Language-Team: French <https://weblate.framasoft.org/projects/mobilizon/"
-"backend/fr/>\n"
+"Language-Team: French <https://weblate.framasoft.org/projects/mobilizon/backend/fr/>\n"
 "Language: fr_FR\n"
 "MIME-Version: 1.0\n"
 "Content-Type: text/plain; charset=UTF-8\n"
 "Content-Transfer-Encoding: 8bit\n"
 "Plural-Forms: nplurals=2; plural=n > 1;\n"
-"X-Generator: Weblate 3.8\n"
+"X-Generator: Poedit 2.2.3\n"

 #, elixir-format
 #: lib/mobilizon_web/templates/email/password_reset.html.eex:48
@ -134,8 +133,7 @@ msgstr "Vous avez créé un compte sur %{host} avec cette adresse email. Vous ê
 #, elixir-format
 #: lib/mobilizon_web/templates/email/password_reset.html.eex:38
 msgid "You requested a new password for your account on %{server}."
-msgstr ""
-"Vous avez demandé un nouveau mot de passe pour votre compte sur %{server}."
+msgstr "Vous avez demandé un nouveau mot de passe pour votre compte sur %{server}."

 #, elixir-format
 #: lib/mobilizon_web/email/user.ex:25
@ -155,23 +153,26 @@ msgstr "Activer mon compte"
 #, elixir-format
 #: lib/mobilizon_web/templates/email/event_participation_approved.html.eex:13
 msgid "All good!"
-msgstr ""
+msgstr "Tout est bon !"

 #, elixir-format
 #: lib/mobilizon_web/templates/email/event_participation_approved.html.eex:45
 #: lib/mobilizon_web/templates/email/event_participation_approved.text.eex:7
 msgid "An organizer just approved your participation. You're now going to this event!"
-msgstr ""
+msgstr "Un⋅e organisateur⋅ice vient d'approuver votre participation. Vous vous rendez maintenant à cet événement !"

 #, elixir-format
 #: lib/mobilizon_web/templates/email/event_participation_approved.html.eex:58
+#: lib/mobilizon_web/templates/email/event_updated.html.eex:87
 msgid "Go to event page"
-msgstr ""
+msgstr "Aller à la page de l'événement"

 #, elixir-format
 #: lib/mobilizon_web/templates/email/event_participation_approved.html.eex:70
+#: lib/mobilizon_web/templates/email/event_updated.html.eex:99
+#: lib/mobilizon_web/templates/email/event_updated.text.eex:21
 msgid "If you need to cancel your participation, just access the event page through link above and click on the participation button."
-msgstr ""
+msgstr "Si vous voulez annuler votre participation, il suffit d'accéder à la page de l'événement via le lien ci-dessus et de cliquer sur le bouton de participation."

 #, elixir-format
 #: lib/mobilizon_web/templates/email/event_participation_approved.text.eex:11
@ -191,17 +192,17 @@ msgstr "Nouveau signalement sur %{instance}"
 #, elixir-format
 #: lib/mobilizon_web/templates/email/event_participation_approved.text.eex:1
 msgid "Participation approved"
-msgstr ""
+msgstr "Participation approuvée"

 #, elixir-format
 #: lib/mobilizon_web/templates/email/event_participation_rejected.text.eex:1
 msgid "Participation rejected"
-msgstr ""
+msgstr "Participation refusée"

 #, elixir-format
 #: lib/mobilizon_web/templates/email/password_reset.text.eex:1
 msgid "Password reset"
-msgstr ""
+msgstr "Réinitialisation du mot de passe"

 #, elixir-format
 #: lib/mobilizon_web/templates/email/password_reset.text.eex:7
@ -211,13 +212,13 @@ msgstr "Réinitialiser votre mot de passe est facile. Cliquez simplement sur le
 #, elixir-format
 #: lib/mobilizon_web/templates/email/event_participation_rejected.html.eex:13
 msgid "Sorry!"
-msgstr ""
+msgstr "Désolé !"

 #, elixir-format
 #: lib/mobilizon_web/templates/email/event_participation_rejected.html.eex:45
 #: lib/mobilizon_web/templates/email/event_participation_rejected.text.eex:7
 msgid "Unfortunately, the organizers rejected your participation."
-msgstr ""
+msgstr "Malheureusement, les organisateur⋅ices ont refusé votre participation."

 #, elixir-format
 #: lib/mobilizon_web/templates/email/registration_confirmation.text.eex:5
@ -227,27 +228,82 @@ msgstr "Vous avez créé un compte sur %{host} avec cette adresse email. Vous ê
 #, elixir-format
 #: lib/mobilizon_web/templates/email/password_reset.text.eex:5
 msgid "You requested a new password for your account on %{host}."
-msgstr ""
-"Vous avez demandé un nouveau mot de passe pour votre compte sur %{server}."
+msgstr "Vous avez demandé un nouveau mot de passe pour votre compte sur %{server}."

 #, elixir-format
 #: lib/mobilizon_web/templates/email/event_participation_approved.html.eex:38
-#: lib/mobilizon_web/templates/email/event_participation_rejected.html.eex:38
 msgid "You requested to participate in event %{title}"
-msgstr ""
+msgstr "Vous avez demandé à participer à l'événement %{title}"

 #, elixir-format
 #: lib/mobilizon_web/templates/email/event_participation_approved.text.eex:5
+#: lib/mobilizon_web/templates/email/event_participation_rejected.html.eex:38
 #: lib/mobilizon_web/templates/email/event_participation_rejected.text.eex:5
 msgid "You requested to participate in event %{title}."
-msgstr ""
+msgstr "Vous avez demandé à participer à l'événement %{title}."

 #, elixir-format
 #: lib/mobilizon_web/email/participation.ex:73
 msgid "Your participation to event %{title} has been approved"
-msgstr ""
+msgstr "Votre participation à l'événement %{title} a été approuvée"

 #, elixir-format
 #: lib/mobilizon_web/email/participation.ex:52
 msgid "Your participation to event %{title} has been rejected"
-msgstr ""
+msgstr "Votre participation à l'événement %{title} a été rejetée"
+
+#, elixir-format
+#: lib/mobilizon_web/templates/email/event_updated.html.eex:68
+msgid "Ending of event"
+msgstr "Fin de l'événement"
+
+#, elixir-format
+#: lib/mobilizon_web/email/event.ex:29
+msgid "Event %{title} has been updated"
+msgstr "L'événement %{title} a été mis à jour"
+
+#, elixir-format
+#: lib/mobilizon_web/templates/email/event_updated.html.eex:13
+#: lib/mobilizon_web/templates/email/event_updated.text.eex:1
+msgid "Event updated!"
+msgstr "Événement mis à jour"
+
+#, elixir-format
+#: lib/mobilizon_web/templates/email/event_updated.text.eex:16
+msgid "New date and time for ending of event: %{ends_on}"
+msgstr "Nouvelle date et heure de fin de l'événement : %{ends_on}"
+
+#, elixir-format
+#: lib/mobilizon_web/templates/email/event_updated.text.eex:12
+msgid "New date and time for start of event: %{begins_on}"
+msgstr "Nouvelle date et heure de début de l'événement : %{begins_on}"
+
+#, elixir-format
+#: lib/mobilizon_web/templates/email/event_updated.text.eex:8
+msgid "New title: %{title}"
+msgstr "Nouveau titre : %{title}"
+
+#, elixir-format
+#: lib/mobilizon_web/templates/email/event_updated.html.eex:58
+msgid "Start of event"
+msgstr "Début de l'événement"
+
+#, elixir-format
+#: lib/mobilizon_web/templates/email/event_updated.text.eex:5
+msgid "The event %{title} was just updated"
+msgstr "L'événement %{title} vient d'être mis à jour"
+
+#, elixir-format
+#: lib/mobilizon_web/templates/email/event_updated.html.eex:38
+msgid "The event %{title} was updated"
+msgstr "L'événement %{title} a été mis à jour"
+
+#, elixir-format
+#: lib/mobilizon_web/templates/email/event_updated.html.eex:48
+msgid "Title"
+msgstr "Titre"
+
+#, elixir-format
+#: lib/mobilizon_web/templates/email/event_updated.text.eex:19
+msgid "View the updated event on: %{link}"
+msgstr "Voir l'événement mis à jour sur : %{link}"
--- a/priv/gettext/it/LC_MESSAGES/default.po
+++ b/priv/gettext/it/LC_MESSAGES/default.po
@ -155,11 +155,14 @@ msgstr ""

 #, elixir-format
 #: lib/mobilizon_web/templates/email/event_participation_approved.html.eex:58
+#: lib/mobilizon_web/templates/email/event_updated.html.eex:87
 msgid "Go to event page"
 msgstr ""

 #, elixir-format
 #: lib/mobilizon_web/templates/email/event_participation_approved.html.eex:70
+#: lib/mobilizon_web/templates/email/event_updated.html.eex:99
+#: lib/mobilizon_web/templates/email/event_updated.text.eex:21
 msgid "If you need to cancel your participation, just access the event page through link above and click on the participation button."
 msgstr ""

@ -221,12 +224,12 @@ msgstr ""

 #, elixir-format
 #: lib/mobilizon_web/templates/email/event_participation_approved.html.eex:38
-#: lib/mobilizon_web/templates/email/event_participation_rejected.html.eex:38
 msgid "You requested to participate in event %{title}"
 msgstr ""

 #, elixir-format
 #: lib/mobilizon_web/templates/email/event_participation_approved.text.eex:5
+#: lib/mobilizon_web/templates/email/event_participation_rejected.html.eex:38
 #: lib/mobilizon_web/templates/email/event_participation_rejected.text.eex:5
 msgid "You requested to participate in event %{title}."
 msgstr ""
@ -240,3 +243,59 @@ msgstr ""
 #: lib/mobilizon_web/email/participation.ex:52
 msgid "Your participation to event %{title} has been rejected"
 msgstr ""
+
+#, elixir-format
+#: lib/mobilizon_web/templates/email/event_updated.html.eex:68
+msgid "Ending of event"
+msgstr ""
+
+#, elixir-format
+#: lib/mobilizon_web/email/event.ex:29
+msgid "Event %{title} has been updated"
+msgstr ""
+
+#, elixir-format
+#: lib/mobilizon_web/templates/email/event_updated.html.eex:13
+#: lib/mobilizon_web/templates/email/event_updated.text.eex:1
+msgid "Event updated!"
+msgstr ""
+
+#, elixir-format
+#: lib/mobilizon_web/templates/email/event_updated.text.eex:16
+msgid "New date and time for ending of event: %{ends_on}"
+msgstr ""
+
+#, elixir-format
+#: lib/mobilizon_web/templates/email/event_updated.text.eex:12
+msgid "New date and time for start of event: %{begins_on}"
+msgstr ""
+
+#, elixir-format
+#: lib/mobilizon_web/templates/email/event_updated.text.eex:8
+msgid "New title: %{title}"
+msgstr ""
+
+#, elixir-format
+#: lib/mobilizon_web/templates/email/event_updated.html.eex:58
+msgid "Start of event"
+msgstr ""
+
+#, elixir-format
+#: lib/mobilizon_web/templates/email/event_updated.text.eex:5
+msgid "The event %{title} was just updated"
+msgstr ""
+
+#, elixir-format
+#: lib/mobilizon_web/templates/email/event_updated.html.eex:38
+msgid "The event %{title} was updated"
+msgstr ""
+
+#, elixir-format
+#: lib/mobilizon_web/templates/email/event_updated.html.eex:48
+msgid "Title"
+msgstr ""
+
+#, elixir-format
+#: lib/mobilizon_web/templates/email/event_updated.text.eex:19
+msgid "View the updated event on: %{link}"
+msgstr ""
--- a/priv/gettext/ja/LC_MESSAGES/default.po
+++ b/priv/gettext/ja/LC_MESSAGES/default.po
@ -155,11 +155,14 @@ msgstr ""

 #, elixir-format
 #: lib/mobilizon_web/templates/email/event_participation_approved.html.eex:58
+#: lib/mobilizon_web/templates/email/event_updated.html.eex:87
 msgid "Go to event page"
 msgstr ""

 #, elixir-format
 #: lib/mobilizon_web/templates/email/event_participation_approved.html.eex:70
+#: lib/mobilizon_web/templates/email/event_updated.html.eex:99
+#: lib/mobilizon_web/templates/email/event_updated.text.eex:21
 msgid "If you need to cancel your participation, just access the event page through link above and click on the participation button."
 msgstr ""

@ -221,12 +224,12 @@ msgstr ""

 #, elixir-format
 #: lib/mobilizon_web/templates/email/event_participation_approved.html.eex:38
-#: lib/mobilizon_web/templates/email/event_participation_rejected.html.eex:38
 msgid "You requested to participate in event %{title}"
 msgstr ""

 #, elixir-format
 #: lib/mobilizon_web/templates/email/event_participation_approved.text.eex:5
+#: lib/mobilizon_web/templates/email/event_participation_rejected.html.eex:38
 #: lib/mobilizon_web/templates/email/event_participation_rejected.text.eex:5
 msgid "You requested to participate in event %{title}."
 msgstr ""
@ -240,3 +243,59 @@ msgstr ""
 #: lib/mobilizon_web/email/participation.ex:52
 msgid "Your participation to event %{title} has been rejected"
 msgstr ""
+
+#, elixir-format
+#: lib/mobilizon_web/templates/email/event_updated.html.eex:68
+msgid "Ending of event"
+msgstr ""
+
+#, elixir-format
+#: lib/mobilizon_web/email/event.ex:29
+msgid "Event %{title} has been updated"
+msgstr ""
+
+#, elixir-format
+#: lib/mobilizon_web/templates/email/event_updated.html.eex:13
+#: lib/mobilizon_web/templates/email/event_updated.text.eex:1
+msgid "Event updated!"
+msgstr ""
+
+#, elixir-format
+#: lib/mobilizon_web/templates/email/event_updated.text.eex:16
+msgid "New date and time for ending of event: %{ends_on}"
+msgstr ""
+
+#, elixir-format
+#: lib/mobilizon_web/templates/email/event_updated.text.eex:12
+msgid "New date and time for start of event: %{begins_on}"
+msgstr ""
+
+#, elixir-format
+#: lib/mobilizon_web/templates/email/event_updated.text.eex:8
+msgid "New title: %{title}"
+msgstr ""
+
+#, elixir-format
+#: lib/mobilizon_web/templates/email/event_updated.html.eex:58
+msgid "Start of event"
+msgstr ""
+
+#, elixir-format
+#: lib/mobilizon_web/templates/email/event_updated.text.eex:5
+msgid "The event %{title} was just updated"
+msgstr ""
+
+#, elixir-format
+#: lib/mobilizon_web/templates/email/event_updated.html.eex:38
+msgid "The event %{title} was updated"
+msgstr ""
+
+#, elixir-format
+#: lib/mobilizon_web/templates/email/event_updated.html.eex:48
+msgid "Title"
+msgstr ""
+
+#, elixir-format
+#: lib/mobilizon_web/templates/email/event_updated.text.eex:19
+msgid "View the updated event on: %{link}"
+msgstr ""
--- a/priv/gettext/nl/LC_MESSAGES/default.po
+++ b/priv/gettext/nl/LC_MESSAGES/default.po
@ -155,11 +155,14 @@ msgstr ""

 #, elixir-format
 #: lib/mobilizon_web/templates/email/event_participation_approved.html.eex:58
+#: lib/mobilizon_web/templates/email/event_updated.html.eex:87
 msgid "Go to event page"
 msgstr ""

 #, elixir-format
 #: lib/mobilizon_web/templates/email/event_participation_approved.html.eex:70
+#: lib/mobilizon_web/templates/email/event_updated.html.eex:99
+#: lib/mobilizon_web/templates/email/event_updated.text.eex:21
 msgid "If you need to cancel your participation, just access the event page through link above and click on the participation button."
 msgstr ""

@ -221,12 +224,12 @@ msgstr ""

 #, elixir-format
 #: lib/mobilizon_web/templates/email/event_participation_approved.html.eex:38
-#: lib/mobilizon_web/templates/email/event_participation_rejected.html.eex:38
 msgid "You requested to participate in event %{title}"
 msgstr ""

 #, elixir-format
 #: lib/mobilizon_web/templates/email/event_participation_approved.text.eex:5
+#: lib/mobilizon_web/templates/email/event_participation_rejected.html.eex:38
 #: lib/mobilizon_web/templates/email/event_participation_rejected.text.eex:5
 msgid "You requested to participate in event %{title}."
 msgstr ""
@ -240,3 +243,59 @@ msgstr ""
 #: lib/mobilizon_web/email/participation.ex:52
 msgid "Your participation to event %{title} has been rejected"
 msgstr ""
+
+#, elixir-format
+#: lib/mobilizon_web/templates/email/event_updated.html.eex:68
+msgid "Ending of event"
+msgstr ""
+
+#, elixir-format
+#: lib/mobilizon_web/email/event.ex:29
+msgid "Event %{title} has been updated"
+msgstr ""
+
+#, elixir-format
+#: lib/mobilizon_web/templates/email/event_updated.html.eex:13
+#: lib/mobilizon_web/templates/email/event_updated.text.eex:1
+msgid "Event updated!"
+msgstr ""
+
+#, elixir-format
+#: lib/mobilizon_web/templates/email/event_updated.text.eex:16
+msgid "New date and time for ending of event: %{ends_on}"
+msgstr ""
+
+#, elixir-format
+#: lib/mobilizon_web/templates/email/event_updated.text.eex:12
+msgid "New date and time for start of event: %{begins_on}"
+msgstr ""
+
+#, elixir-format
+#: lib/mobilizon_web/templates/email/event_updated.text.eex:8
+msgid "New title: %{title}"
+msgstr ""
+
+#, elixir-format
+#: lib/mobilizon_web/templates/email/event_updated.html.eex:58
+msgid "Start of event"
+msgstr ""
+
+#, elixir-format
+#: lib/mobilizon_web/templates/email/event_updated.text.eex:5
+msgid "The event %{title} was just updated"
+msgstr ""
+
+#, elixir-format
+#: lib/mobilizon_web/templates/email/event_updated.html.eex:38
+msgid "The event %{title} was updated"
+msgstr ""
+
+#, elixir-format
+#: lib/mobilizon_web/templates/email/event_updated.html.eex:48
+msgid "Title"
+msgstr ""
+
+#, elixir-format
+#: lib/mobilizon_web/templates/email/event_updated.text.eex:19
+msgid "View the updated event on: %{link}"
+msgstr ""
--- a/priv/gettext/oc/LC_MESSAGES/default.po
+++ b/priv/gettext/oc/LC_MESSAGES/default.po
@ -165,11 +165,14 @@ msgstr ""

 #, elixir-format
 #: lib/mobilizon_web/templates/email/event_participation_approved.html.eex:58
+#: lib/mobilizon_web/templates/email/event_updated.html.eex:87
 msgid "Go to event page"
 msgstr ""

 #, elixir-format
 #: lib/mobilizon_web/templates/email/event_participation_approved.html.eex:70
+#: lib/mobilizon_web/templates/email/event_updated.html.eex:99
+#: lib/mobilizon_web/templates/email/event_updated.text.eex:21
 msgid "If you need to cancel your participation, just access the event page through link above and click on the participation button."
 msgstr ""

@ -235,12 +238,12 @@ msgstr "Avètz demandat un nòu senhal per vòstre compte sus %{server}."

 #, elixir-format
 #: lib/mobilizon_web/templates/email/event_participation_approved.html.eex:38
-#: lib/mobilizon_web/templates/email/event_participation_rejected.html.eex:38
 msgid "You requested to participate in event %{title}"
 msgstr ""

 #, elixir-format
 #: lib/mobilizon_web/templates/email/event_participation_approved.text.eex:5
+#: lib/mobilizon_web/templates/email/event_participation_rejected.html.eex:38
 #: lib/mobilizon_web/templates/email/event_participation_rejected.text.eex:5
 msgid "You requested to participate in event %{title}."
 msgstr ""
@ -254,3 +257,59 @@ msgstr ""
 #: lib/mobilizon_web/email/participation.ex:52
 msgid "Your participation to event %{title} has been rejected"
 msgstr ""
+
+#, elixir-format
+#: lib/mobilizon_web/templates/email/event_updated.html.eex:68
+msgid "Ending of event"
+msgstr ""
+
+#, elixir-format
+#: lib/mobilizon_web/email/event.ex:29
+msgid "Event %{title} has been updated"
+msgstr ""
+
+#, elixir-format
+#: lib/mobilizon_web/templates/email/event_updated.html.eex:13
+#: lib/mobilizon_web/templates/email/event_updated.text.eex:1
+msgid "Event updated!"
+msgstr ""
+
+#, elixir-format
+#: lib/mobilizon_web/templates/email/event_updated.text.eex:16
+msgid "New date and time for ending of event: %{ends_on}"
+msgstr ""
+
+#, elixir-format
+#: lib/mobilizon_web/templates/email/event_updated.text.eex:12
+msgid "New date and time for start of event: %{begins_on}"
+msgstr ""
+
+#, elixir-format
+#: lib/mobilizon_web/templates/email/event_updated.text.eex:8
+msgid "New title: %{title}"
+msgstr ""
+
+#, elixir-format
+#: lib/mobilizon_web/templates/email/event_updated.html.eex:58
+msgid "Start of event"
+msgstr ""
+
+#, elixir-format
+#: lib/mobilizon_web/templates/email/event_updated.text.eex:5
+msgid "The event %{title} was just updated"
+msgstr ""
+
+#, elixir-format
+#: lib/mobilizon_web/templates/email/event_updated.html.eex:38
+msgid "The event %{title} was updated"
+msgstr ""
+
+#, elixir-format
+#: lib/mobilizon_web/templates/email/event_updated.html.eex:48
+msgid "Title"
+msgstr ""
+
+#, elixir-format
+#: lib/mobilizon_web/templates/email/event_updated.text.eex:19
+msgid "View the updated event on: %{link}"
+msgstr ""
--- a/priv/gettext/pl/LC_MESSAGES/default.po
+++ b/priv/gettext/pl/LC_MESSAGES/default.po
@ -155,11 +155,14 @@ msgstr ""

 #, elixir-format
 #: lib/mobilizon_web/templates/email/event_participation_approved.html.eex:58
+#: lib/mobilizon_web/templates/email/event_updated.html.eex:87
 msgid "Go to event page"
 msgstr ""

 #, elixir-format
 #: lib/mobilizon_web/templates/email/event_participation_approved.html.eex:70
+#: lib/mobilizon_web/templates/email/event_updated.html.eex:99
+#: lib/mobilizon_web/templates/email/event_updated.text.eex:21
 msgid "If you need to cancel your participation, just access the event page through link above and click on the participation button."
 msgstr ""

@ -221,12 +224,12 @@ msgstr ""

 #, elixir-format
 #: lib/mobilizon_web/templates/email/event_participation_approved.html.eex:38
-#: lib/mobilizon_web/templates/email/event_participation_rejected.html.eex:38
 msgid "You requested to participate in event %{title}"
 msgstr ""

 #, elixir-format
 #: lib/mobilizon_web/templates/email/event_participation_approved.text.eex:5
+#: lib/mobilizon_web/templates/email/event_participation_rejected.html.eex:38
 #: lib/mobilizon_web/templates/email/event_participation_rejected.text.eex:5
 msgid "You requested to participate in event %{title}."
 msgstr ""
@ -240,3 +243,59 @@ msgstr ""
 #: lib/mobilizon_web/email/participation.ex:52
 msgid "Your participation to event %{title} has been rejected"
 msgstr ""
+
+#, elixir-format
+#: lib/mobilizon_web/templates/email/event_updated.html.eex:68
+msgid "Ending of event"
+msgstr ""
+
+#, elixir-format
+#: lib/mobilizon_web/email/event.ex:29
+msgid "Event %{title} has been updated"
+msgstr ""
+
+#, elixir-format
+#: lib/mobilizon_web/templates/email/event_updated.html.eex:13
+#: lib/mobilizon_web/templates/email/event_updated.text.eex:1
+msgid "Event updated!"
+msgstr ""
+
+#, elixir-format
+#: lib/mobilizon_web/templates/email/event_updated.text.eex:16
+msgid "New date and time for ending of event: %{ends_on}"
+msgstr ""
+
+#, elixir-format
+#: lib/mobilizon_web/templates/email/event_updated.text.eex:12
+msgid "New date and time for start of event: %{begins_on}"
+msgstr ""
+
+#, elixir-format
+#: lib/mobilizon_web/templates/email/event_updated.text.eex:8
+msgid "New title: %{title}"
+msgstr ""
+
+#, elixir-format
+#: lib/mobilizon_web/templates/email/event_updated.html.eex:58
+msgid "Start of event"
+msgstr ""
+
+#, elixir-format
+#: lib/mobilizon_web/templates/email/event_updated.text.eex:5
+msgid "The event %{title} was just updated"
+msgstr ""
+
+#, elixir-format
+#: lib/mobilizon_web/templates/email/event_updated.html.eex:38
+msgid "The event %{title} was updated"
+msgstr ""
+
+#, elixir-format
+#: lib/mobilizon_web/templates/email/event_updated.html.eex:48
+msgid "Title"
+msgstr ""
+
+#, elixir-format
+#: lib/mobilizon_web/templates/email/event_updated.text.eex:19
+msgid "View the updated event on: %{link}"
+msgstr ""
--- a/priv/gettext/pt/LC_MESSAGES/default.po
+++ b/priv/gettext/pt/LC_MESSAGES/default.po
@ -155,11 +155,14 @@ msgstr ""

 #, elixir-format
 #: lib/mobilizon_web/templates/email/event_participation_approved.html.eex:58
+#: lib/mobilizon_web/templates/email/event_updated.html.eex:87
 msgid "Go to event page"
 msgstr ""

 #, elixir-format
 #: lib/mobilizon_web/templates/email/event_participation_approved.html.eex:70
+#: lib/mobilizon_web/templates/email/event_updated.html.eex:99
+#: lib/mobilizon_web/templates/email/event_updated.text.eex:21
 msgid "If you need to cancel your participation, just access the event page through link above and click on the participation button."
 msgstr ""

@ -221,12 +224,12 @@ msgstr ""

 #, elixir-format
 #: lib/mobilizon_web/templates/email/event_participation_approved.html.eex:38
-#: lib/mobilizon_web/templates/email/event_participation_rejected.html.eex:38
 msgid "You requested to participate in event %{title}"
 msgstr ""

 #, elixir-format
 #: lib/mobilizon_web/templates/email/event_participation_approved.text.eex:5
+#: lib/mobilizon_web/templates/email/event_participation_rejected.html.eex:38
 #: lib/mobilizon_web/templates/email/event_participation_rejected.text.eex:5
 msgid "You requested to participate in event %{title}."
 msgstr ""
@ -240,3 +243,59 @@ msgstr ""
 #: lib/mobilizon_web/email/participation.ex:52
 msgid "Your participation to event %{title} has been rejected"
 msgstr ""
+
+#, elixir-format
+#: lib/mobilizon_web/templates/email/event_updated.html.eex:68
+msgid "Ending of event"
+msgstr ""
+
+#, elixir-format
+#: lib/mobilizon_web/email/event.ex:29
+msgid "Event %{title} has been updated"
+msgstr ""
+
+#, elixir-format
+#: lib/mobilizon_web/templates/email/event_updated.html.eex:13
+#: lib/mobilizon_web/templates/email/event_updated.text.eex:1
+msgid "Event updated!"
+msgstr ""
+
+#, elixir-format
+#: lib/mobilizon_web/templates/email/event_updated.text.eex:16
+msgid "New date and time for ending of event: %{ends_on}"
+msgstr ""
+
+#, elixir-format
+#: lib/mobilizon_web/templates/email/event_updated.text.eex:12
+msgid "New date and time for start of event: %{begins_on}"
+msgstr ""
+
+#, elixir-format
+#: lib/mobilizon_web/templates/email/event_updated.text.eex:8
+msgid "New title: %{title}"
+msgstr ""
+
+#, elixir-format
+#: lib/mobilizon_web/templates/email/event_updated.html.eex:58
+msgid "Start of event"
+msgstr ""
+
+#, elixir-format
+#: lib/mobilizon_web/templates/email/event_updated.text.eex:5
+msgid "The event %{title} was just updated"
+msgstr ""
+
+#, elixir-format
+#: lib/mobilizon_web/templates/email/event_updated.html.eex:38
+msgid "The event %{title} was updated"
+msgstr ""
+
+#, elixir-format
+#: lib/mobilizon_web/templates/email/event_updated.html.eex:48
+msgid "Title"
+msgstr ""
+
+#, elixir-format
+#: lib/mobilizon_web/templates/email/event_updated.text.eex:19
+msgid "View the updated event on: %{link}"
+msgstr ""
--- a/priv/gettext/ru/LC_MESSAGES/default.po
+++ b/priv/gettext/ru/LC_MESSAGES/default.po
@ -155,11 +155,14 @@ msgstr ""

 #, elixir-format
 #: lib/mobilizon_web/templates/email/event_participation_approved.html.eex:58
+#: lib/mobilizon_web/templates/email/event_updated.html.eex:87
 msgid "Go to event page"
 msgstr ""

 #, elixir-format
 #: lib/mobilizon_web/templates/email/event_participation_approved.html.eex:70
+#: lib/mobilizon_web/templates/email/event_updated.html.eex:99
+#: lib/mobilizon_web/templates/email/event_updated.text.eex:21
 msgid "If you need to cancel your participation, just access the event page through link above and click on the participation button."
 msgstr ""

@ -221,12 +224,12 @@ msgstr ""

 #, elixir-format
 #: lib/mobilizon_web/templates/email/event_participation_approved.html.eex:38
-#: lib/mobilizon_web/templates/email/event_participation_rejected.html.eex:38
 msgid "You requested to participate in event %{title}"
 msgstr ""

 #, elixir-format
 #: lib/mobilizon_web/templates/email/event_participation_approved.text.eex:5
+#: lib/mobilizon_web/templates/email/event_participation_rejected.html.eex:38
 #: lib/mobilizon_web/templates/email/event_participation_rejected.text.eex:5
 msgid "You requested to participate in event %{title}."
 msgstr ""
@ -240,3 +243,59 @@ msgstr ""
 #: lib/mobilizon_web/email/participation.ex:52
 msgid "Your participation to event %{title} has been rejected"
 msgstr ""
+
+#, elixir-format
+#: lib/mobilizon_web/templates/email/event_updated.html.eex:68
+msgid "Ending of event"
+msgstr ""
+
+#, elixir-format
+#: lib/mobilizon_web/email/event.ex:29
+msgid "Event %{title} has been updated"
+msgstr ""
+
+#, elixir-format
+#: lib/mobilizon_web/templates/email/event_updated.html.eex:13
+#: lib/mobilizon_web/templates/email/event_updated.text.eex:1
+msgid "Event updated!"
+msgstr ""
+
+#, elixir-format
+#: lib/mobilizon_web/templates/email/event_updated.text.eex:16
+msgid "New date and time for ending of event: %{ends_on}"
+msgstr ""
+
+#, elixir-format
+#: lib/mobilizon_web/templates/email/event_updated.text.eex:12
+msgid "New date and time for start of event: %{begins_on}"
+msgstr ""
+
+#, elixir-format
+#: lib/mobilizon_web/templates/email/event_updated.text.eex:8
+msgid "New title: %{title}"
+msgstr ""
+
+#, elixir-format
+#: lib/mobilizon_web/templates/email/event_updated.html.eex:58
+msgid "Start of event"
+msgstr ""
+
+#, elixir-format
+#: lib/mobilizon_web/templates/email/event_updated.text.eex:5
+msgid "The event %{title} was just updated"
+msgstr ""
+
+#, elixir-format
+#: lib/mobilizon_web/templates/email/event_updated.html.eex:38
+msgid "The event %{title} was updated"
+msgstr ""
+
+#, elixir-format
+#: lib/mobilizon_web/templates/email/event_updated.html.eex:48
+msgid "Title"
+msgstr ""
+
+#, elixir-format
+#: lib/mobilizon_web/templates/email/event_updated.text.eex:19
+msgid "View the updated event on: %{link}"
+msgstr ""
--- a/test/mobilizon_web/resolvers/event_resolver_test.exs
+++ b/test/mobilizon_web/resolvers/event_resolver_test.exs
@ -1,7 +1,8 @@
 defmodule MobilizonWeb.Resolvers.EventResolverTest do
  use MobilizonWeb.ConnCase
+  use Bamboo.Test
  alias Mobilizon.Events
-  alias MobilizonWeb.AbsintheHelpers
+  alias MobilizonWeb.{AbsintheHelpers, Email}
  import Mobilizon.Factory

  @event %{
@ -499,6 +500,13 @@ defmodule MobilizonWeb.Resolvers.EventResolverTest do

    test "update_event/3 updates an event", %{conn: conn, actor: actor, user: user} do
      event = insert(:event, organizer_actor: actor)
+      _creator = insert(:participant, event: event, actor: actor, role: :creator)
+      participant_user = insert(:user)
+      participant_actor = insert(:actor, user: participant_user)
+
+      _participant =
+        insert(:participant, event: event, actor: participant_actor, role: :participant)
+
      address = insert(:address)

      begins_on = DateTime.utc_now() |> DateTime.truncate(:second) |> DateTime.to_iso8601()
@ -584,6 +592,28 @@ defmodule MobilizonWeb.Resolvers.EventResolverTest do
               %{"slug" => "tag1-updated", "title" => "tag1_updated"},
               %{"slug" => "tag2-updated", "title" => "tag2_updated"}
             ]
+
+      {:ok, new_event} = Mobilizon.Events.get_event(event.id)
+
+      assert_delivered_email(
+        Email.Event.event_updated(
+          user,
+          actor,
+          event,
+          new_event,
+          MapSet.new([:title, :begins_on, :ends_on])
+        )
+      )
+
+      assert_delivered_email(
+        Email.Event.event_updated(
+          participant_user,
+          participant_actor,
+          event,
+          new_event,
+          MapSet.new([:title, :begins_on, :ends_on])
+        )
+      )
    end

    test "update_event/3 updates an event with a new picture", %{