Export participants to different formats

* CSV
* PDF (requires Python dependency `weasyprint`)
* ODS (requires Python dependency `pyexcel_ods3`)

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

priv/gettext/de/LC_MESSAGES/errors.po

@@ -155,7 +155,7 @@ msgstr "Es wurde kein Benutzer mit dieser E-Mail gefunden"
 
 #, elixir-format
 #: lib/graphql/resolvers/feed_token.ex:28
-#: lib/graphql/resolvers/participant.ex:31 lib/graphql/resolvers/participant.ex:209 lib/graphql/resolvers/person.ex:236
+#: lib/graphql/resolvers/participant.ex:32 lib/graphql/resolvers/participant.ex:210 lib/graphql/resolvers/person.ex:236
 #: lib/graphql/resolvers/person.ex:353 lib/graphql/resolvers/person.ex:380 lib/graphql/resolvers/person.ex:397
 msgid "Profile is not owned by authenticated user"
 msgstr "Profil ist nicht im Besitz des authentifizierten Benutzers"
@@ -332,13 +332,13 @@ msgid "Profile already suspended"
 msgstr "Profil bereits gesperrt"
 
 #, elixir-format
-#: lib/graphql/resolvers/participant.ex:95
+#: lib/graphql/resolvers/participant.ex:96
 msgid "A valid email is required by your instance"
 msgstr "Eine gültige E-Mail wird von Ihrer Instanz benötigt"
 
 #, elixir-format
-#: lib/graphql/resolvers/participant.ex:89
-#: lib/graphql/resolvers/participant.ex:142
+#: lib/graphql/resolvers/participant.ex:90
+#: lib/graphql/resolvers/participant.ex:143
 msgid "Anonymous participation is not enabled"
 msgstr "Anonyme Teilnahme ist nicht möglich"
 
@@ -373,7 +373,7 @@ msgid "Error while updating report"
 msgstr "Fehler beim Aktualisieren des Reports"
 
 #, elixir-format
-#: lib/graphql/resolvers/participant.ex:130
+#: lib/graphql/resolvers/participant.ex:131
 msgid "Event id not found"
 msgstr "Veranstaltungs-ID nicht gefunden"
 
@@ -384,13 +384,14 @@ msgid "Event not found"
 msgstr "Veranstaltung nicht gefunden"
 
 #, elixir-format
-#: lib/graphql/resolvers/participant.ex:86
-#: lib/graphql/resolvers/participant.ex:127 lib/graphql/resolvers/participant.ex:154
+#: lib/graphql/resolvers/participant.ex:87
+#: lib/graphql/resolvers/participant.ex:128 lib/graphql/resolvers/participant.ex:155
+#: lib/graphql/resolvers/participant.ex:349
 msgid "Event with this ID %{id} doesn't exist"
 msgstr "Veranstaltung mit dieser ID %{id} existiert nicht"
 
 #, elixir-format
-#: lib/graphql/resolvers/participant.ex:102
+#: lib/graphql/resolvers/participant.ex:103
 msgid "Internal Error"
 msgstr "Interner Fehler"
 
@@ -411,14 +412,13 @@ msgid "No such feed token"
 msgstr "Kein solches Feed-Token"
 
 #, elixir-format
-#: lib/graphql/resolvers/participant.ex:258
+#: lib/graphql/resolvers/participant.ex:259
 msgid "Participant already has role %{role}"
 msgstr "Teilnehmer hat bereits Rolle %{role}"
 
 #, elixir-format
-#: lib/graphql/resolvers/participant.ex:186
-#: lib/graphql/resolvers/participant.ex:219 lib/graphql/resolvers/participant.ex:251
-#: lib/graphql/resolvers/participant.ex:261
+#: lib/graphql/resolvers/participant.ex:187
+#: lib/graphql/resolvers/participant.ex:220 lib/graphql/resolvers/participant.ex:263
 msgid "Participant not found"
 msgstr "Teilnehmer nicht gefunden"
 
@@ -479,12 +479,12 @@ msgid "Resource doesn't exist"
 msgstr "Ressource ist nicht vorhanden"
 
 #, elixir-format
-#: lib/graphql/resolvers/participant.ex:123
+#: lib/graphql/resolvers/participant.ex:124
 msgid "The event has already reached its maximum capacity"
 msgstr "Die Veranstaltung hat bereits ihre maximale Kapazität erreicht"
 
 #, elixir-format
-#: lib/graphql/resolvers/participant.ex:281
+#: lib/graphql/resolvers/participant.ex:283
 msgid "This token is invalid"
 msgstr "Dieses Token ist ungültig"
 
@@ -520,7 +520,7 @@ msgid "You already have a profile for this user"
 msgstr "Sie haben bereits ein Profil für diesen Benutzer"
 
 #, elixir-format
-#: lib/graphql/resolvers/participant.ex:133
+#: lib/graphql/resolvers/participant.ex:134
 msgid "You are already a participant of this event"
 msgstr "Sie sind bereits ein Teilnehmer dieser Veranstaltung"
 
@@ -561,8 +561,8 @@ msgstr ""
 "Sie dürfen einen Kommentar nicht aktualisieren, wenn Sie nicht verbunden sind"
 
 #, elixir-format
-#: lib/graphql/resolvers/participant.ex:180
-#: lib/graphql/resolvers/participant.ex:213
+#: lib/graphql/resolvers/participant.ex:181
+#: lib/graphql/resolvers/participant.ex:214
 msgid "You can't leave event because you're the only event creator participant"
 msgstr ""
 "Sie können die Veranstaltung nicht verlassen, weil Sie der einzige "
@@ -686,12 +686,12 @@ msgid "You need to be logged-in to delete resources"
 msgstr "Sie müssen eingeloggt sein, um Ressourcen zu löschen"
 
 #, elixir-format
-#: lib/graphql/resolvers/participant.ex:107
+#: lib/graphql/resolvers/participant.ex:108
 msgid "You need to be logged-in to join an event"
 msgstr "Sie müssen eingeloggt sein, um einer Veranstaltung beizutreten"
 
 #, elixir-format
-#: lib/graphql/resolvers/participant.ex:224
+#: lib/graphql/resolvers/participant.ex:225
 msgid "You need to be logged-in to leave an event"
 msgstr "Sie müssen eingeloggt sein, um eine Veranstaltung zu verlassen"
 
@@ -845,7 +845,7 @@ msgid "Organizer profile is not owned by the user"
 msgstr "Organizer-Profil ist nicht im Besitz des Benutzers"
 
 #, elixir-format
-#: lib/graphql/resolvers/participant.ex:92
+#: lib/graphql/resolvers/participant.ex:93
 msgid "Profile ID provided is not the anonymous profile one"
 msgstr "Die angegebene Profil-ID ist nicht die des anonymen Profils"
 
@@ -876,7 +876,8 @@ msgid "Unable to fetch resource details from this URL."
 msgstr ""
 
 #, elixir-format
-#: lib/graphql/resolvers/event.ex:171 lib/graphql/resolvers/participant.ex:255
+#: lib/graphql/resolvers/event.ex:171 lib/graphql/resolvers/participant.ex:253
+#: lib/graphql/resolvers/participant.ex:341
 msgid "Provided profile doesn't have moderator permissions on this event"
 msgstr "Dieses Moderatorenprofil hat keine Berechtigung für diese Veranstaltung"
 
@@ -916,7 +917,7 @@ msgid "Error while uploading pictures"
 msgstr "Fehler beim Aktualisieren des Reports"
 
 #, elixir-format
-#: lib/graphql/resolvers/participant.ex:189
+#: lib/graphql/resolvers/participant.ex:190
 msgid "Failed to leave the event"
 msgstr ""
 
@@ -936,7 +937,7 @@ msgid "Failed to validate user email"
 msgstr "Benutzer kann nicht validiert werden"
 
 #, elixir-format
-#: lib/graphql/resolvers/participant.ex:145
+#: lib/graphql/resolvers/participant.ex:146
 msgid "The anonymous actor ID is invalid"
 msgstr ""
 
@@ -954,3 +955,23 @@ msgstr ""
 #: lib/graphql/resolvers/user.ex:404
 msgid "You cannot change your password."
 msgstr ""
+
+#, elixir-format
+#: lib/graphql/resolvers/participant.ex:310
+msgid "Format not supported"
+msgstr ""
+
+#, elixir-format
+#: lib/graphql/resolvers/participant.ex:322
+msgid "A dependency needed to export to %{format} is not installed"
+msgstr ""
+
+#, elixir-format
+#: lib/graphql/resolvers/participant.ex:330
+msgid "An error occured while saving export"
+msgstr ""
+
+#, elixir-format
+#: lib/web/controllers/export_controller.ex:30
+msgid "Export to format %{format} is not enabled on this instance"
+msgstr ""