Automerger
2 years ago
commit
6765d79065
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/*
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* Copyright 2022 The Android Open Source Project
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*
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* Licensed under the Apache License, Version 2.0 (the "License");
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* you may not use this file except in compliance with the License.
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* You may obtain a copy of the License at
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*
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* https://www.apache.org/licenses/LICENSE-2.0
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*
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* Unless required by applicable law or agreed to in writing, software
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* distributed under the License is distributed on an "AS IS" BASIS,
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* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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* See the License for the specific language governing permissions and
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* limitations under the License.
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*/
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package com.google.samples.apps.nowinandroid.core.datastore
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import androidx.datastore.core.DataMigration
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/**
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* Migrates from using lists to maps for user data.
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*/
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object ListToMapMigration : DataMigration<UserPreferences> {
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override suspend fun cleanUp() = Unit
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override suspend fun migrate(currentData: UserPreferences): UserPreferences =
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currentData.copy {
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// Migrate topic id lists
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followedTopicIds.clear()
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followedTopicIds.putAll(
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currentData.deprecatedFollowedTopicIdsList.associateWith { true }
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)
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deprecatedFollowedTopicIds.clear()
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// Migrate author ids
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followedAuthorIds.clear()
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followedAuthorIds.putAll(
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currentData.deprecatedFollowedAuthorIdsList.associateWith { true }
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)
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deprecatedFollowedAuthorIds.clear()
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// Migrate bookmarks
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bookmarkedNewsResourceIds.clear()
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bookmarkedNewsResourceIds.putAll(
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currentData.deprecatedBookmarkedNewsResourceIdsList.associateWith { true }
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)
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deprecatedBookmarkedNewsResourceIds.clear()
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// Mark migration as complete
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hasDoneListToMapMigration = true
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}
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override suspend fun shouldMigrate(currentData: UserPreferences): Boolean {
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return !currentData.hasDoneListToMapMigration
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}
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}
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/*
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* Copyright 2022 The Android Open Source Project
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*
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* Licensed under the Apache License, Version 2.0 (the "License");
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* you may not use this file except in compliance with the License.
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* You may obtain a copy of the License at
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*
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* https://www.apache.org/licenses/LICENSE-2.0
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*
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* Unless required by applicable law or agreed to in writing, software
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* distributed under the License is distributed on an "AS IS" BASIS,
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* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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* See the License for the specific language governing permissions and
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* limitations under the License.
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*/
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package com.google.samples.apps.nowinandroid.core.datastore
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import kotlinx.coroutines.test.runTest
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import org.junit.Assert
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import org.junit.Test
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class ListToMapMigrationTest {
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@Test
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fun ListToMapMigration_should_migrate_topic_ids() = runTest {
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// Set up existing preferences with topic ids
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val preMigrationUserPreferences = userPreferences {
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deprecatedFollowedTopicIds.addAll(listOf("1", "2", "3"))
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}
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// Assert that there are no topic ids in the map yet
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Assert.assertEquals(
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emptyMap<String, Boolean>(),
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preMigrationUserPreferences.followedTopicIdsMap
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)
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// Run the migration
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val postMigrationUserPreferences =
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ListToMapMigration.migrate(preMigrationUserPreferences)
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// Assert the deprecated topic ids have been migrated to the topic ids map
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Assert.assertEquals(
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mapOf("1" to true, "2" to true, "3" to true),
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postMigrationUserPreferences.followedTopicIdsMap
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)
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// Assert that the migration has been marked complete
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Assert.assertTrue(postMigrationUserPreferences.hasDoneListToMapMigration)
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}
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@Test
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fun ListToMapMigration_should_migrate_author_ids() = runTest {
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// Set up existing preferences with author ids
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val preMigrationUserPreferences = userPreferences {
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deprecatedFollowedAuthorIds.addAll(listOf("4", "5", "6"))
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}
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// Assert that there are no author ids in the map yet
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Assert.assertEquals(
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emptyMap<String, Boolean>(),
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preMigrationUserPreferences.followedAuthorIdsMap
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)
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// Run the migration
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val postMigrationUserPreferences =
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ListToMapMigration.migrate(preMigrationUserPreferences)
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// Assert the deprecated author ids have been migrated to the author ids map
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Assert.assertEquals(
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mapOf("4" to true, "5" to true, "6" to true),
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postMigrationUserPreferences.followedAuthorIdsMap
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)
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// Assert that the migration has been marked complete
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Assert.assertTrue(postMigrationUserPreferences.hasDoneListToMapMigration)
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}
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@Test
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fun ListToMapMigration_should_migrate_bookmarks() = runTest {
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// Set up existing preferences with bookmarks
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val preMigrationUserPreferences = userPreferences {
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deprecatedBookmarkedNewsResourceIds.addAll(listOf("7", "8", "9"))
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}
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// Assert that there are no bookmarks in the map yet
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Assert.assertEquals(
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emptyMap<String, Boolean>(),
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preMigrationUserPreferences.bookmarkedNewsResourceIdsMap
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)
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// Run the migration
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val postMigrationUserPreferences =
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ListToMapMigration.migrate(preMigrationUserPreferences)
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// Assert the deprecated bookmarks have been migrated to the bookmarks map
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Assert.assertEquals(
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mapOf("7" to true, "8" to true, "9" to true),
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postMigrationUserPreferences.bookmarkedNewsResourceIdsMap
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)
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// Assert that the migration has been marked complete
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Assert.assertTrue(postMigrationUserPreferences.hasDoneListToMapMigration)
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}
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}
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@ -0,0 +1,29 @@
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/*
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* Copyright 2022 The Android Open Source Project
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*
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* Licensed under the Apache License, Version 2.0 (the "License");
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* you may not use this file except in compliance with the License.
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* You may obtain a copy of the License at
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*
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* https://www.apache.org/licenses/LICENSE-2.0
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*
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* Unless required by applicable law or agreed to in writing, software
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* distributed under the License is distributed on an "AS IS" BASIS,
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* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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* See the License for the specific language governing permissions and
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* limitations under the License.
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*/
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package com.google.samples.apps.nowinandroid.core.ui
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import androidx.compose.ui.tooling.preview.Preview
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/**
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* Multipreview annotation that represents various device sizes. Add this annotation to a composable
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* to render various devices.
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*/
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@Preview(name = "phone", device = "spec:shape=Normal,width=360,height=640,unit=dp,dpi=480")
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@Preview(name = "landscape", device = "spec:shape=Normal,width=640,height=360,unit=dp,dpi=480")
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@Preview(name = "foldable", device = "spec:shape=Normal,width=673,height=841,unit=dp,dpi=480")
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@Preview(name = "tablet", device = "spec:shape=Normal,width=1280,height=800,unit=dp,dpi=480")
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annotation class DevicePreviews
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Loading…
Reference in new issue