Create GetDatabaseSizesUseCase so we don't have to expose the while MatrixClient to get these values

libraries/matrix/api/src/main/kotlin/io/element/android/libraries/matrix/api/analytics/GetDatabaseSizesUseCase.kt

@@ -0,0 +1,14 @@
+/*
+ * Copyright (c) 2025 Element Creations Ltd.
+ *
+ * SPDX-License-Identifier: AGPL-3.0-only OR LicenseRef-Element-Commercial.
+ * Please see LICENSE files in the repository root for full details.
+ */
+
+package io.element.android.libraries.matrix.api.analytics
+
+import io.element.android.libraries.matrix.api.core.SessionId
+
+fun interface GetDatabaseSizesUseCase {
+    suspend operator fun invoke(sessionId: SessionId): Result<SdkStoreSizes>
+}

libraries/matrix/impl/src/main/kotlin/io/element/android/libraries/matrix/impl/analytics/DefaultGetDatabaseSizesUseCase.kt

@@ -0,0 +1,27 @@
+/*
+ * Copyright (c) 2025 Element Creations Ltd.
+ *
+ * SPDX-License-Identifier: AGPL-3.0-only OR LicenseRef-Element-Commercial.
+ * Please see LICENSE files in the repository root for full details.
+ */
+
+package io.element.android.libraries.matrix.impl.analytics
+
+import dev.zacsweers.metro.AppScope
+import dev.zacsweers.metro.ContributesBinding
+import io.element.android.libraries.matrix.api.MatrixClientProvider
+import io.element.android.libraries.matrix.api.analytics.GetDatabaseSizesUseCase
+import io.element.android.libraries.matrix.api.analytics.SdkStoreSizes
+import io.element.android.libraries.matrix.api.core.SessionId
+
+@ContributesBinding(AppScope::class)
+class DefaultGetDatabaseSizesUseCase(
+    private val clientProvider: Lazy<MatrixClientProvider>,
+) : GetDatabaseSizesUseCase {
+    override suspend fun invoke(sessionId: SessionId): Result<SdkStoreSizes> {
+        val client = clientProvider.value.getOrNull(sessionId)
+            ?: return Result.failure(IllegalArgumentException("No MatrixClient for session $sessionId"))
+
+        return client.getDatabaseSizes()
+    }
+}