Introduce event categories

Closes #1056

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

js/src/graphql/event.ts

@@ -23,6 +23,7 @@ const FULL_EVENT_FRAGMENT = gql`
     joinOptions
     draft
     language
+    category
     picture {
       id
       url
@@ -203,7 +204,7 @@ export const CREATE_EVENT = gql`
     $picture: MediaInput
     $onlineAddress: String
     $phoneAddress: String
-    $category: String
+    $category: EventCategory
     $physicalAddress: AddressInput
     $options: EventOptionsInput
     $contacts: [Contact]
@@ -253,7 +254,7 @@ export const EDIT_EVENT = gql`
     $phoneAddress: String
     $organizerActorId: ID
     $attributedToId: ID
-    $category: String
+    $category: EventCategory
     $physicalAddress: AddressInput
     $options: EventOptionsInput
     $contacts: [Contact]

js/src/graphql/search.ts

@@ -11,6 +11,7 @@ export const SEARCH_EVENTS_AND_GROUPS = gql`
     $tags: String
     $term: String
     $type: EventType
+    $category: String
     $beginsOn: DateTime
     $endsOn: DateTime
     $eventPage: Int
@@ -23,6 +24,7 @@ export const SEARCH_EVENTS_AND_GROUPS = gql`
       tags: $tags
       term: $term
       type: $type
+      category: $category
       beginsOn: $beginsOn
       endsOn: $endsOn
       page: $eventPage