Implement PermissionsInteractor

app/src/main/java/chat/rocket/android/dagger/module/AppModule.kt

@@ -223,4 +223,10 @@ class AppModule {
     fun provideMessageParser(context: Application, configuration: SpannableConfiguration): MessageParser {
         return MessageParser(context, configuration)
     }
+
+    @Provides
+    @Singleton
+    fun providePermissionInteractor(settingsRepository: SettingsRepository, serverRepository: CurrentServerRepository): PermissionsInteractor {
+        return PermissionsInteractor(settingsRepository, serverRepository)
+    }
 }
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app/src/main/java/chat/rocket/android/server/domain/PermissionsInteractor.kt

+package chat.rocket.android.server.domain
+
+import javax.inject.Inject
+
+class PermissionsInteractor @Inject constructor(private val settingsRepository: SettingsRepository,
+                                                private val currentServerRepository: CurrentServerRepository) {
+
+    private fun publicSettings(): PublicSettings? = settingsRepository.get(currentServerRepository.get()!!)
+
+    /**
+     * Check whether user is allowed to delete a message.
+     */
+    fun isMessageDeletingAllowed() = publicSettings()?.deleteMessageAllowed() ?: false
+
+    /**
+     * Checks whether user is allowed to edit a message.
+     */
+    fun isMessageEditingAllowed() = publicSettings()?.deleteMessageAllowed() ?: false
+
+    /**
+     * Checks whether should show deleted message status.
+     */
+    fun showDeletedStatus() = publicSettings()?.showDeletedStatus() ?: false
+
+    /**
+     * Checks whether should show edited message status.
+     */
+    fun showEditedStatus() = publicSettings()?.showEditedStatus() ?: false
+}
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