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Fix semester list refresh on no current semester found (#940)

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Mikołaj Pich 2020-09-01 23:58:18 +02:00 committed by GitHub
parent 0f65af8958
commit 69a1193154
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2 changed files with 47 additions and 18 deletions
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42
app/src/main/java/io/github/wulkanowy/data/repositories/semester/SemesterRepository.kt
View File

@ -1,5 +1,6 @@
package io.github.wulkanowy.data.repositories.semester
import io.github.wulkanowy.data.db.entities.Semester
import io.github.wulkanowy.data.db.entities.Student
import io.github.wulkanowy.sdk.Sdk
import io.github.wulkanowy.utils.DispatchersProvider
@ -18,24 +19,33 @@ class SemesterRepository @Inject constructor(
) {
suspend fun getSemesters(student: Student, forceRefresh: Boolean = false, refreshOnNoCurrent: Boolean = false) = withContext(dispatchers.backgroundThread) {
local.getSemesters(student).let { semesters ->
semesters.filter {
!forceRefresh && when {
Sdk.Mode.valueOf(student.loginMode) != Sdk.Mode.API -> semesters.firstOrNull { it.isCurrent }?.diaryId != 0
refreshOnNoCurrent -> semesters.any { semester -> semester.isCurrent }
else -> true
}
}
}.ifEmpty {
val new = remote.getSemesters(student)
if (new.isEmpty()) throw IllegalArgumentException("Empty semester list!")
val old = local.getSemesters(student)
local.deleteSemesters(old.uniqueSubtract(new))
local.saveSemesters(new.uniqueSubtract(old))
val semesters = local.getSemesters(student)
if (isShouldFetch(student, semesters, forceRefresh, refreshOnNoCurrent)) {
refreshSemesters(student)
local.getSemesters(student)
}
} else semesters
}
private fun isShouldFetch(student: Student, semesters: List<Semester>, forceRefresh: Boolean, refreshOnNoCurrent: Boolean): Boolean {
val isNoSemesters = semesters.isEmpty()
val isRefreshOnModeChangeRequired = if (Sdk.Mode.valueOf(student.loginMode) != Sdk.Mode.API) {
semesters.firstOrNull { it.isCurrent }?.diaryId == 0
} else false
val isRefreshOnNoCurrentAppropriate = refreshOnNoCurrent && !semesters.any { semester -> semester.isCurrent }
return forceRefresh || isNoSemesters || isRefreshOnModeChangeRequired || isRefreshOnNoCurrentAppropriate
}
private suspend fun refreshSemesters(student: Student) {
val new = remote.getSemesters(student)
if (new.isEmpty()) throw IllegalArgumentException("Empty semester list!")
val old = local.getSemesters(student)
local.deleteSemesters(old.uniqueSubtract(new))
local.saveSemesters(new.uniqueSubtract(old))
}
suspend fun getCurrentSemester(student: Student, forceRefresh: Boolean = false) = withContext(dispatchers.backgroundThread) {

23
app/src/test/java/io/github/wulkanowy/data/repositories/semester/SemesterRepositoryTest.kt
View File

@ -63,7 +63,15 @@ class SemesterRepositoryTest {
createSemesterEntity(0, 2, now().minusMonths(3), now())
)
val goodSemesters = listOf(
createSemesterEntity(122, 1, now().minusMonths(6), now().minusMonths(3)),
createSemesterEntity(123, 2, now().minusMonths(3), now())
)
coEvery { semesterLocal.getSemesters(student) } returns badSemesters
coEvery { semesterRemote.getSemesters(student) } returns goodSemesters
coEvery { semesterLocal.deleteSemesters(any()) } just Runs
coEvery { semesterLocal.saveSemesters(any()) } just Runs
val items = runBlocking { semesterRepository.getSemesters(student) }
assertEquals(2, items.size)
@ -152,12 +160,23 @@ class SemesterRepositoryTest {
@Test
fun getSemesters_noCurrent_refreshOnNoCurrent() {
val semesters = listOf(
val semestersWithNoCurrent = listOf(
createSemesterEntity(1, 1, now().minusMonths(12), now().minusMonths(6)),
createSemesterEntity(1, 2, now().minusMonths(6), now().minusMonths(1))
)
coEvery { semesterLocal.getSemesters(student) } returns semesters
val newSemesters = listOf(
createSemesterEntity(1, 1, now().minusMonths(12), now().minusMonths(6)),
createSemesterEntity(1, 2, now().minusMonths(6), now().minusMonths(1)),
createSemesterEntity(2, 1, now().minusMonths(1), now().plusMonths(5)),
createSemesterEntity(2, 2, now().plusMonths(5), now().plusMonths(11)),
)
coEvery { semesterLocal.getSemesters(student) } returns semestersWithNoCurrent
coEvery { semesterRemote.getSemesters(student) } returns newSemesters
coEvery { semesterLocal.deleteSemesters(any()) } just Runs
coEvery { semesterLocal.saveSemesters(any()) } just Runs
val items = runBlocking { semesterRepository.getSemesters(student, refreshOnNoCurrent = true) }
assertEquals(2, items.size)