Last Owner should edit admins, and not leave when is last (#4372)

ElementX/Sources/Services/Room/RoomMember/RoomMemberDetails.swift

@@ -18,21 +18,8 @@ struct RoomMemberDetails: Identifiable, Hashable {
     var isIgnored: Bool
     var isBanned: Bool
     var isActive: Bool
-        
-    enum Role {
-        /// Creator of the room, PL infinite
-        case creator
-        /// Same power of an admin, but they can also upgrade the room, PL 150 onwards
-        case owner
-        /// Able to edit room settings and perform any action aside from room upgrading PL 100...149
-        case administrator
-        /// Able to perform room moderation actions PL 50...99
-        case moderator
-        /// Default role PL 0...49
-        case user
-    }
 
-    let role: Role
+    let role: RoomRole
     let powerLevel: RoomPowerLevel
     
     func matches(searchQuery: String) -> Bool {
@@ -51,47 +38,7 @@ extension RoomMemberDetails {
         isInvited = proxy.membership == .invite
         isIgnored = proxy.isIgnored
         isBanned = proxy.membership == .ban
-        role = .init(proxy.role, powerLevel: proxy.powerLevel)
+        role = proxy.role
         powerLevel = proxy.powerLevel
     }
 }
-
-extension RoomMemberDetails.Role {
-    init(_ role: RoomMemberRole, powerLevel: RoomPowerLevel) {
-        switch role {
-        case .creator:
-            self = .creator
-        case .administrator:
-            switch powerLevel {
-            case .value(let value):
-                self = value >= 150 ? .owner : .administrator
-            default:
-                fatalError("Impossible")
-            }
-        case .moderator:
-            self = .moderator
-        case .user:
-            self = .user
-        }
-    }
-        
-    var isAdminOrHigher: Bool {
-        switch self {
-        case .administrator, .creator, .owner:
-            return true
-        case .moderator, .user:
-            return false
-        }
-    }
-}
-
-extension RoomMemberRole {
-    var isAdminOrHigher: Bool {
-        switch self {
-        case .administrator, .creator:
-            return true
-        case .moderator, .user:
-            return false
-        }
-    }
-}

ElementX/Sources/Services/Room/RoomMember/RoomMemberProxy.swift

@@ -36,6 +36,4 @@ final class RoomMemberProxy: RoomMemberProxyProtocol {
     var isIgnored: Bool { member.isIgnored }
     
     var powerLevel: RoomPowerLevel { .init(rustPowerLevel: member.powerLevel) }
-    
-    var role: RoomMemberRole { member.suggestedRoleForPowerLevel }
 }

ElementX/Sources/Services/Room/RoomMember/RoomMemberProxyProtocol.swift

@@ -24,8 +24,6 @@ protocol RoomMemberProxyProtocol: AnyObject {
     var isIgnored: Bool { get }
     
     var powerLevel: RoomPowerLevel { get }
-    
-    var role: RoomMemberRole { get }
 }
 
 extension RoomMemberProxyProtocol {
@@ -58,3 +56,7 @@ extension [RoomMemberProxyProtocol] {
         }
     }
 }
+
+extension RoomMemberProxyProtocol {
+    var role: RoomRole { .init(powerLevel: powerLevel) }
+}