Remove string usage from SDK - step 1 - Role

Lint will also be able to detect more possible errors with this change

matrix-sdk-android/src/main/java/org/matrix/android/sdk/api/session/room/powerlevels/Role.kt

@@ -17,14 +17,11 @@
 
 package org.matrix.android.sdk.api.session.room.powerlevels
 
-import androidx.annotation.StringRes
-import org.matrix.android.sdk.R
-
-sealed class Role(open val value: Int, @StringRes val res: Int) : Comparable<Role> {
-    object Admin : Role(100, R.string.power_level_admin)
-    object Moderator : Role(50, R.string.power_level_moderator)
-    object Default : Role(0, R.string.power_level_default)
-    data class Custom(override val value: Int) : Role(value, R.string.power_level_custom)
+sealed class Role(open val value: Int) : Comparable<Role> {
+    object Admin : Role(100)
+    object Moderator : Role(50)
+    object Default : Role(0)
+    data class Custom(override val value: Int) : Role(value)
 
     override fun compareTo(other: Role): Int {
         return value.compareTo(other.value)

vector/src/main/java/im/vector/app/features/home/room/detail/timeline/format/NoticeEventFormatter.kt

@@ -20,6 +20,7 @@ import im.vector.app.ActiveSessionDataSource
 import im.vector.app.R
 import im.vector.app.core.resources.StringProvider
 import im.vector.app.features.home.room.detail.timeline.helper.RoomSummariesHolder
+import im.vector.app.features.roomprofile.permissions.RoleFormatter
 import im.vector.app.features.settings.VectorPreferences
 import org.matrix.android.sdk.api.extensions.appendNl
 import org.matrix.android.sdk.api.extensions.orFalse
@@ -55,6 +56,7 @@ import javax.inject.Inject
 class NoticeEventFormatter @Inject constructor(
         private val activeSessionDataSource: ActiveSessionDataSource,
         private val roomHistoryVisibilityFormatter: RoomHistoryVisibilityFormatter,
+        private val roleFormatter: RoleFormatter,
         private val vectorPreferences: VectorPreferences,
         private val roomSummariesHolder: RoomSummariesHolder,
         private val sp: StringProvider
@@ -124,8 +126,8 @@ class NoticeEventFormatter @Inject constructor(
             val from = PowerLevelsHelper(previousPowerLevelsContent).getUserRole(userId)
             val to = PowerLevelsHelper(powerLevelsContent).getUserRole(userId)
             if (from != to) {
-                val fromStr = sp.getString(from.res, from.value)
-                val toStr = sp.getString(to.res, to.value)
+                val fromStr = roleFormatter.format(from)
+                val toStr = roleFormatter.format(to)
                 val diff = sp.getString(R.string.notice_power_level_diff, userId, fromStr, toStr)
                 diffs.add(diff)
             }

vector/src/main/java/im/vector/app/features/roomprofile/permissions/RoleFormatter.kt

@@ -0,0 +1,35 @@
+/*
+ * Copyright (c) 2021 New Vector Ltd
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *     http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+package im.vector.app.features.roomprofile.permissions
+
+import im.vector.app.R
+import im.vector.app.core.resources.StringProvider
+import org.matrix.android.sdk.api.session.room.powerlevels.Role
+import javax.inject.Inject
+
+class RoleFormatter @Inject constructor(
+        private val stringProvider: StringProvider
+) {
+    fun format(role: Role): String {
+        return when (role) {
+            Role.Admin     -> stringProvider.getString(R.string.power_level_admin)
+            Role.Moderator -> stringProvider.getString(R.string.power_level_moderator)
+            Role.Default   -> stringProvider.getString(R.string.power_level_default)
+            is Role.Custom -> stringProvider.getString(R.string.power_level_custom, role.value)
+        }
+    }
+}

vector/src/main/java/im/vector/app/features/roomprofile/permissions/RoomPermissionsController.kt

@@ -32,6 +32,7 @@ import javax.inject.Inject
 
 class RoomPermissionsController @Inject constructor(
         private val stringProvider: StringProvider,
+        private val roleFormatter: RoleFormatter,
         colorProvider: ColorProvider
 ) : TypedEpoxyController<RoomPermissionsViewState>() {
 
@@ -124,7 +125,7 @@ class RoomPermissionsController @Inject constructor(
         buildProfileAction(
                 id = editablePermission.labelResId.toString(),
                 title = stringProvider.getString(editablePermission.labelResId),
-                subtitle = getSubtitle(currentRole),
+                subtitle = roleFormatter.format(currentRole),
                 dividerColor = dividerColor,
                 divider = true,
                 editable = editable,
@@ -136,15 +137,6 @@ class RoomPermissionsController @Inject constructor(
         )
     }
 
-    private fun getSubtitle(currentRole: Role): String {
-        return when (currentRole) {
-            Role.Admin,
-            Role.Moderator,
-            Role.Default   -> stringProvider.getString(currentRole.res)
-            is Role.Custom -> stringProvider.getString(currentRole.res, currentRole.value)
-        }
-    }
-
     private fun getCurrentRole(editablePermission: EditablePermission, content: PowerLevelsContent): Role {
         val value = when (editablePermission) {
             is EditablePermission.EventTypeEditablePermission -> content.events[editablePermission.eventType] ?: content.stateDefault