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/pl/LC_MESSAGES/errors.po

@@ -161,7 +161,7 @@ msgstr "Nie znaleziono użytkownika o tym adresie e-mail"
 
 #, 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 nie należy do uwierzytelnionego użytkownika"
@@ -336,13 +336,13 @@ msgid "Profile already suspended"
 msgstr "Już zawieszono profil"
 
 #, elixir-format
-#: lib/graphql/resolvers/participant.ex:95
+#: lib/graphql/resolvers/participant.ex:96
 msgid "A valid email is required by your instance"
 msgstr "Twoja instancja wymaga prawidłowego adresu e-mail"
 
 #, 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 "Anonimowe uczestnictwa nie są włączone"
 
@@ -377,7 +377,7 @@ msgid "Error while updating report"
 msgstr "Wystąpił błąd podczas aktualizacji zgłoszenia"
 
 #, elixir-format
-#: lib/graphql/resolvers/participant.ex:130
+#: lib/graphql/resolvers/participant.ex:131
 msgid "Event id not found"
 msgstr "Nie znaleziono id wydarzenia"
 
@@ -388,13 +388,14 @@ msgid "Event not found"
 msgstr "Nie znaleziono wydarzenia"
 
 #, 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 "Wydarzenie o ID %{id} nie istnieje"
 
 #, elixir-format
-#: lib/graphql/resolvers/participant.ex:102
+#: lib/graphql/resolvers/participant.ex:103
 msgid "Internal Error"
 msgstr "Wewnętrzny błąd"
 
@@ -415,14 +416,13 @@ msgid "No such feed token"
 msgstr "Nie ma takiego tokenu strumienia"
 
 #, elixir-format
-#: lib/graphql/resolvers/participant.ex:258
+#: lib/graphql/resolvers/participant.ex:259
 msgid "Participant already has role %{role}"
 msgstr "Uczestnik już ma rolę %{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 "Nie znaleziono uczestnika"
 
@@ -481,12 +481,12 @@ msgid "Resource doesn't exist"
 msgstr "Zasób nie istnieje"
 
 #, elixir-format
-#: lib/graphql/resolvers/participant.ex:123
+#: lib/graphql/resolvers/participant.ex:124
 msgid "The event has already reached its maximum capacity"
 msgstr "Wydarzenie już przekroczyło maksymalną zasobność"
 
 #, elixir-format
-#: lib/graphql/resolvers/participant.ex:281
+#: lib/graphql/resolvers/participant.ex:283
 msgid "This token is invalid"
 msgstr "Ten token jest nieprawidłowy"
 
@@ -522,7 +522,7 @@ msgid "You already have a profile for this user"
 msgstr "Już masz profil dla tego użytkownika"
 
 #, elixir-format
-#: lib/graphql/resolvers/participant.ex:133
+#: lib/graphql/resolvers/participant.ex:134
 msgid "You are already a participant of this event"
 msgstr "Już jesteś uczestnikiem tego wydarzenia"
 
@@ -562,8 +562,8 @@ msgid "You are not allowed to update a comment if not connected"
 msgstr ""
 
 #, 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 ""
 
@@ -681,12 +681,12 @@ msgid "You need to be logged-in to delete resources"
 msgstr "Musisz być zalogowany(-a), aby usunąć zasób"
 
 #, 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 "Musisz być zalogowany(-a), aby dołączyć do wydarzenia"
 
 #, 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 "Musisz być zalogowany(-a), aby opuścić wydarzenie"
 
@@ -838,7 +838,7 @@ msgid "Organizer profile is not owned by the user"
 msgstr ""
 
 #, 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 ""
 
@@ -869,7 +869,8 @@ 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 "Wskazany profil moderatora nie ma uprawnień dla tego wydarzenia"
 
@@ -909,7 +910,7 @@ msgid "Error while uploading pictures"
 msgstr "Wystąpił błąd podczas aktualizacji zgłoszenia"
 
 #, elixir-format
-#: lib/graphql/resolvers/participant.ex:189
+#: lib/graphql/resolvers/participant.ex:190
 msgid "Failed to leave the event"
 msgstr ""
 
@@ -929,7 +930,7 @@ msgid "Failed to validate user email"
 msgstr "Nie udało się zwalidować użytkownika"
 
 #, elixir-format
-#: lib/graphql/resolvers/participant.ex:145
+#: lib/graphql/resolvers/participant.ex:146
 msgid "The anonymous actor ID is invalid"
 msgstr ""
 
@@ -947,3 +948,23 @@ 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 ""