Add (WIP) ban/klck ability

lib/models/membership.dart

@@ -1,12 +1,14 @@
 import "package:fast_immutable_collections/fast_immutable_collections.dart";
 import "package:freezed_annotation/freezed_annotation.dart";
 import "package:nexus/helpers/extensions/mxc_to_https.dart";
+import "package:nexus/models/membership_status.dart";
 part "membership.freezed.dart";
 
 @freezed
 abstract class Membership with _$Membership {
   const Membership._();
   const factory Membership({
+    required MembershipStatus status,
     required Uri? avatarUrl,
     required String displayName,
     required String userId,
@@ -17,6 +19,10 @@ abstract class Membership with _$Membership {
     String userId,
     String homeserver,
   ) => Membership(
+    status: MembershipStatus.values.firstWhere(
+      (status) => status.name == content["membership"],
+      orElse: () => MembershipStatus.leave,
+    ),
     avatarUrl: Uri.tryParse(
       content["avatar_url"] ?? "",
     )?.mxcToHttps(homeserver),

lib/models/membership_status.dart

@@ -0,0 +1,4 @@
+import "package:freezed_annotation/freezed_annotation.dart";
+
+@JsonEnum()
+enum MembershipStatus { leave, invite, ban, join }

lib/models/requests/set_membership_request.dart

@@ -0,0 +1,20 @@
+import "package:freezed_annotation/freezed_annotation.dart";
+part "set_membership_request.freezed.dart";
+part "set_membership_request.g.dart";
+
+@freezed
+abstract class SetMembershipRequest with _$SetMembershipRequest {
+  const factory SetMembershipRequest({
+    required String userId,
+    required String roomId,
+
+    @JsonKey(name: "action") required MembershipAction action,
+    @Default(false) @JsonKey(name: "msc4293_redact_events") bool redact,
+  }) = _SetMembershipRequest;
+
+  factory SetMembershipRequest.fromJson(Map<String, Object?> json) =>
+      _$SetMembershipRequestFromJson(json);
+}
+
+@JsonEnum()
+enum MembershipAction { ban, kick, unban, invite }