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Code Issues Projects Releases Wiki Activity

Move mapping logic into secondary constructor

Browse Source 
Change-Id: I032326f502d27f2d3bd9fb8273ae44df878d172c
pull/521/head
Don Turner 2 years ago
parent 355b0540aa
commit 24df51349d
6 changed files with 56 additions and 115 deletions
Show Stats Download Patch File Download Diff File

2
core/domain/src/main/java/com/google/samples/apps/nowinandroid/core/domain/GetUserNewsResourcesUseCase.kt
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@ -56,6 +56,6 @@ private fun Flow<List<NewsResource>>.mapToUserNewsResources(
filterNot { it.isEmpty() }
.combine(userDataStream) { newsResources, userData ->
newsResources.map { newsResource ->
UserNewsResource.from(newsResource, userData)
UserNewsResource(newsResource, userData)
}
}

15
core/domain/src/main/java/com/google/samples/apps/nowinandroid/core/domain/model/UserNewsResource.kt
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@ -30,9 +30,10 @@ import kotlinx.datetime.toInstant
/* ktlint-disable max-line-length */
/**
* A [NewsResource] with the additional user information.
* A [NewsResource] with additional user information such as whether the user is following the
* news resource's topics and whether they have saved (bookmarked) this news resource.
*/
data class UserNewsResource(
data class UserNewsResource internal constructor(
val id: String,
val title: String,
val content: String,
@ -43,9 +44,7 @@ data class UserNewsResource(
val followableTopics: List<FollowableTopic>,
val isSaved: Boolean
) {
companion object {
fun from(newsResource: NewsResource, userData: UserData): UserNewsResource {
return UserNewsResource(
constructor(newsResource: NewsResource, userData: UserData) : this(
id = newsResource.id,
title = newsResource.title,
content = newsResource.content,
@ -61,8 +60,10 @@ data class UserNewsResource(
},
isSaved = userData.bookmarkedNewsResources.contains(newsResource.id)
)
}
}
}
fun List<NewsResource>.mapToUserNewsResources(userData: UserData): List<UserNewsResource> {
return map { UserNewsResource(it, userData) }
}
val previewUserNewsResources = listOf(

8
core/domain/src/test/java/com/google/samples/apps/nowinandroid/core/domain/GetUserNewsResourcesUseCaseTest.kt
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@ -66,9 +66,9 @@ class GetUserNewsResourcesUseCaseTest {
// Check that the correct news resources are returned with their bookmarked state.
assertEquals(
listOf(
UserNewsResource.from(sampleNewsResources[0], userData),
UserNewsResource.from(sampleNewsResources[1], userData),
UserNewsResource.from(sampleNewsResources[2], userData),
UserNewsResource(sampleNewsResources[0], userData),
UserNewsResource(sampleNewsResources[1], userData),
UserNewsResource(sampleNewsResources[2], userData),
),
userNewsResources.first()
)
@ -96,7 +96,7 @@ class GetUserNewsResourcesUseCaseTest {
sampleNewsResources
.filter { it.topics.contains(sampleTopic1) }
.map {
UserNewsResource.from(it, userData)
UserNewsResource(it, userData)
},
userNewsResources.first()
)

2
core/domain/src/test/java/com/google/samples/apps/nowinandroid/core/domain/UserNewsResourceTest.kt
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@ -75,7 +75,7 @@ class UserNewsResourceTest {
shouldHideOnboarding = true
)
val userNewsResource = UserNewsResource.from(newsResource1, userData)
val userNewsResource = UserNewsResource(newsResource1, userData)
// Check that the simple field mappings have been done correctly.
assertEquals(newsResource1.id, userNewsResource.id)

2
core/testing/src/main/java/com/google/samples/apps/nowinandroid/core/testing/repository/TestUserDataRepository.kt
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@ -25,7 +25,7 @@ import kotlinx.coroutines.flow.Flow
import kotlinx.coroutines.flow.MutableSharedFlow
import kotlinx.coroutines.flow.filterNotNull
private val emptyUserData = UserData(
val emptyUserData = UserData(
bookmarkedNewsResources = emptySet(),
followedTopics = emptySet(),
themeBrand = ThemeBrand.DEFAULT,

114
feature/foryou/src/test/java/com/google/samples/apps/nowinandroid/feature/foryou/ForYouViewModelTest.kt
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@ -20,12 +20,14 @@ import com.google.samples.apps.nowinandroid.core.domain.GetFollowableTopicsUseCa
import com.google.samples.apps.nowinandroid.core.domain.GetUserNewsResourcesUseCase
import com.google.samples.apps.nowinandroid.core.domain.model.FollowableTopic
import com.google.samples.apps.nowinandroid.core.domain.model.UserNewsResource
import com.google.samples.apps.nowinandroid.core.domain.model.mapToUserNewsResources
import com.google.samples.apps.nowinandroid.core.model.data.NewsResource
import com.google.samples.apps.nowinandroid.core.model.data.NewsResourceType.Video
import com.google.samples.apps.nowinandroid.core.model.data.Topic
import com.google.samples.apps.nowinandroid.core.testing.repository.TestNewsRepository
import com.google.samples.apps.nowinandroid.core.testing.repository.TestTopicsRepository
import com.google.samples.apps.nowinandroid.core.testing.repository.TestUserDataRepository
import com.google.samples.apps.nowinandroid.core.testing.repository.emptyUserData
import com.google.samples.apps.nowinandroid.core.testing.util.MainDispatcherRule
import com.google.samples.apps.nowinandroid.core.testing.util.TestNetworkMonitor
import com.google.samples.apps.nowinandroid.core.testing.util.TestSyncStatusMonitor
@ -265,7 +267,8 @@ class ForYouViewModelTest {
topicsRepository.sendTopics(sampleTopics)
val followedTopicIds = setOf("0", "1")
userDataRepository.setFollowedTopicIds(followedTopicIds)
val userData = emptyUserData.copy(followedTopics = followedTopicIds)
userDataRepository.setUserData(userData)
viewModel.dismissOnboarding()
assertEquals(
@ -282,25 +285,7 @@ class ForYouViewModelTest {
)
assertEquals(
NewsFeedUiState.Success(
feed =
sampleNewsResources.map {
UserNewsResource(
id = it.id,
title = it.title,
content = it.content,
url = it.url,
headerImageUrl = it.headerImageUrl,
publishDate = it.publishDate,
type = it.type,
followableTopics = it.topics.map { topic ->
FollowableTopic(
topic = topic,
isFollowed = followedTopicIds.contains(topic.id)
)
},
isSaved = false
)
}
feed = sampleNewsResources.mapToUserNewsResources(userData)
),
viewModel.feedState.value
)
@ -345,41 +330,14 @@ class ForYouViewModelTest {
),
viewModel.onboardingUiState.value
)
val userData = emptyUserData.copy(followedTopics = setOf(followedTopicId))
assertEquals(
NewsFeedUiState.Success(
feed = listOf(
UserNewsResource(
id = sampleNewsResources[1].id,
title = sampleNewsResources[1].title,
content = sampleNewsResources[1].content,
url = sampleNewsResources[1].url,
headerImageUrl = sampleNewsResources[1].headerImageUrl,
publishDate = sampleNewsResources[1].publishDate,
type = sampleNewsResources[1].type,
followableTopics = sampleNewsResources[1].topics.map { topic ->
FollowableTopic(
topic = topic,
isFollowed = topic.id == followedTopicId
)
},
isSaved = false
),
UserNewsResource(
id = sampleNewsResources[2].id,
title = sampleNewsResources[2].title,
content = sampleNewsResources[2].content,
url = sampleNewsResources[2].url,
headerImageUrl = sampleNewsResources[2].headerImageUrl,
publishDate = sampleNewsResources[2].publishDate,
type = sampleNewsResources[2].type,
followableTopics = sampleNewsResources[2].topics.map { topic ->
FollowableTopic(
topic = topic,
isFollowed = topic.id == followedTopicId
)
},
isSaved = false
)
UserNewsResource(sampleNewsResources[1], userData),
UserNewsResource(sampleNewsResources[2], userData),
)
),
viewModel.feedState.value
@ -460,12 +418,24 @@ class ForYouViewModelTest {
val collectJob2 = launch(UnconfinedTestDispatcher()) { viewModel.feedState.collect() }
val followedTopicIds = setOf("1")
val userData = emptyUserData.copy(
followedTopics = followedTopicIds,
shouldHideOnboarding = true
)
topicsRepository.sendTopics(sampleTopics)
userDataRepository.setFollowedTopicIds(followedTopicIds)
userDataRepository.setShouldHideOnboarding(true)
userDataRepository.setUserData(userData)
newsRepository.sendNewsResources(sampleNewsResources)
viewModel.updateNewsResourceSaved("2", true)
val bookmarkedNewsResourceId = "2"
viewModel.updateNewsResourceSaved(
newsResourceId = bookmarkedNewsResourceId,
isChecked = true
)
val userDataExpected = userData.copy(
bookmarkedNewsResources = setOf(bookmarkedNewsResourceId)
)
assertEquals(
OnboardingUiState.NotShown,
@ -474,38 +444,8 @@ class ForYouViewModelTest {
assertEquals(
NewsFeedUiState.Success(
feed = listOf(
UserNewsResource(
id = sampleNewsResources[1].id,
title = sampleNewsResources[1].title,
content = sampleNewsResources[1].content,
url = sampleNewsResources[1].url,
headerImageUrl = sampleNewsResources[1].headerImageUrl,
publishDate = sampleNewsResources[1].publishDate,
type = sampleNewsResources[1].type,
followableTopics = sampleNewsResources[1].topics.map { topic ->
FollowableTopic(
topic = topic,
isFollowed = followedTopicIds.contains(topic.id)
)
},
isSaved = true
),
UserNewsResource(
id = sampleNewsResources[2].id,
title = sampleNewsResources[2].title,
content = sampleNewsResources[2].content,
url = sampleNewsResources[2].url,
headerImageUrl = sampleNewsResources[2].headerImageUrl,
publishDate = sampleNewsResources[2].publishDate,
type = sampleNewsResources[2].type,
followableTopics = sampleNewsResources[2].topics.map { topic ->
FollowableTopic(
topic = topic,
isFollowed = followedTopicIds.contains(topic.id)
)
},
isSaved = false
),
UserNewsResource(newsResource = sampleNewsResources[1], userDataExpected),
UserNewsResource(newsResource = sampleNewsResources[2], userDataExpected)
)
),
viewModel.feedState.value

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