Create use case to decide to show alert.

vector/src/main/java/im/vector/app/features/home/ShouldShowUnverifiedSessionsAlertUseCase.kt

@@ -0,0 +1,37 @@
+/*
+ * Copyright (c) 2022 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.home
+
+import im.vector.app.config.Config
+import im.vector.app.core.time.Clock
+import im.vector.app.features.VectorFeatures
+import im.vector.app.features.settings.VectorPreferences
+import javax.inject.Inject
+
+class ShouldShowUnverifiedSessionsAlertUseCase @Inject constructor(
+        private val vectorFeatures: VectorFeatures,
+        private val vectorPreferences: VectorPreferences,
+        private val clock: Clock,
+) {
+
+    fun execute(): Boolean {
+        val isUnverifiedSessionsAlertEnabled = vectorFeatures.isUnverifiedSessionsAlertEnabled()
+        val unverifiedSessionsAlertLastShownMillis = vectorPreferences.getUnverifiedSessionsAlertLastShownMillis()
+        return isUnverifiedSessionsAlertEnabled &&
+                clock.epochMillis() - unverifiedSessionsAlertLastShownMillis >= Config.SHOW_UNVERIFIED_SESSIONS_ALERT_AFTER_MILLIS
+    }
+}

vector/src/test/java/im/vector/app/features/home/ShouldShowUnverifiedSessionsAlertUseCaseTest.kt

@@ -0,0 +1,74 @@
+/*
+ * Copyright (c) 2022 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.home
+
+import im.vector.app.config.Config
+import im.vector.app.test.fakes.FakeClock
+import im.vector.app.test.fakes.FakeVectorFeatures
+import im.vector.app.test.fakes.FakeVectorPreferences
+import org.amshove.kluent.shouldBe
+import org.junit.Test
+
+private val AN_EPOCH = Config.SHOW_UNVERIFIED_SESSIONS_ALERT_AFTER_MILLIS
+
+class ShouldShowUnverifiedSessionsAlertUseCaseTest {
+
+    private val fakeVectorFeatures = FakeVectorFeatures()
+    private val fakeVectorPreferences = FakeVectorPreferences()
+    private val fakeClock = FakeClock()
+
+    private val shouldShowUnverifiedSessionsAlertUseCase = ShouldShowUnverifiedSessionsAlertUseCase(
+            vectorFeatures = fakeVectorFeatures,
+            vectorPreferences = fakeVectorPreferences.instance,
+            clock = fakeClock,
+    )
+
+    @Test
+    fun `given the feature is disabled then the use case returns false`() {
+        fakeVectorFeatures.givenUnverifiedSessionsAlertEnabled(false)
+        fakeVectorPreferences.givenUnverifiedSessionsAlertLastShownMillis(0L)
+
+        shouldShowUnverifiedSessionsAlertUseCase.execute() shouldBe false
+    }
+
+    @Test
+    fun `given the feature in enabled and there is not a saved preference then the use case returns true`() {
+        fakeVectorFeatures.givenUnverifiedSessionsAlertEnabled(true)
+        fakeVectorPreferences.givenUnverifiedSessionsAlertLastShownMillis(0L)
+        fakeClock.givenEpoch(AN_EPOCH + 1)
+
+        shouldShowUnverifiedSessionsAlertUseCase.execute() shouldBe true
+    }
+
+    @Test
+    fun `given the feature in enabled and last shown is a long time ago then the use case returns true`() {
+        fakeVectorFeatures.givenUnverifiedSessionsAlertEnabled(true)
+        fakeVectorPreferences.givenUnverifiedSessionsAlertLastShownMillis(AN_EPOCH)
+        fakeClock.givenEpoch(AN_EPOCH * 2 + 1)
+
+        shouldShowUnverifiedSessionsAlertUseCase.execute() shouldBe true
+    }
+
+    @Test
+    fun `given the feature in enabled and last shown is not a long time ago then the use case returns false`() {
+        fakeVectorFeatures.givenUnverifiedSessionsAlertEnabled(true)
+        fakeVectorPreferences.givenUnverifiedSessionsAlertLastShownMillis(AN_EPOCH)
+        fakeClock.givenEpoch(AN_EPOCH + 1)
+
+        shouldShowUnverifiedSessionsAlertUseCase.execute() shouldBe false
+    }
+}

vector/src/test/java/im/vector/app/test/fakes/FakeVectorFeatures.kt

@@ -50,4 +50,8 @@ class FakeVectorFeatures : VectorFeatures by spyk<DefaultVectorFeatures>() {
     fun givenVoiceBroadcast(isEnabled: Boolean) {
         every { isVoiceBroadcastEnabled() } returns isEnabled
     }
+
+    fun givenUnverifiedSessionsAlertEnabled(isEnabled: Boolean) {
+        every { isUnverifiedSessionsAlertEnabled() } returns isEnabled
+    }
 }

vector/src/test/java/im/vector/app/test/fakes/FakeVectorPreferences.kt

@@ -56,4 +56,8 @@ class FakeVectorPreferences {
     fun givenSessionManagerShowIpAddress(showIpAddress: Boolean) {
         every { instance.showIpAddressInSessionManagerScreens() } returns showIpAddress
     }
+
+    fun givenUnverifiedSessionsAlertLastShownMillis(lastShownMillis: Long) {
+        every { instance.getUnverifiedSessionsAlertLastShownMillis() } returns lastShownMillis
+    }
 }