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Add auto refresh to reporting units (#1916)

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Mikołaj Pich 2022-07-12 12:23:55 +02:00 committed by GitHub
parent bdb6c962ea
commit 7c4f1c7b22
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1 changed files with 19 additions and 8 deletions
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app/src/main/java/io/github/wulkanowy/data/repositories/ReportingUnitRepository.kt
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@ -5,6 +5,8 @@ import io.github.wulkanowy.data.db.entities.ReportingUnit
import io.github.wulkanowy.data.db.entities.Student import io.github.wulkanowy.data.db.entities.Student
import io.github.wulkanowy.data.mappers.mapToEntities import io.github.wulkanowy.data.mappers.mapToEntities
import io.github.wulkanowy.sdk.Sdk import io.github.wulkanowy.sdk.Sdk
import io.github.wulkanowy.utils.AutoRefreshHelper
import io.github.wulkanowy.utils.getRefreshKey
import io.github.wulkanowy.utils.init import io.github.wulkanowy.utils.init
import io.github.wulkanowy.utils.uniqueSubtract import io.github.wulkanowy.utils.uniqueSubtract
import javax.inject.Inject import javax.inject.Inject
@ -13,30 +15,39 @@ import javax.inject.Singleton
@Singleton @Singleton
class ReportingUnitRepository @Inject constructor( class ReportingUnitRepository @Inject constructor(
private val reportingUnitDb: ReportingUnitDao, private val reportingUnitDb: ReportingUnitDao,
private val sdk: Sdk private val sdk: Sdk,
private val refreshHelper: AutoRefreshHelper,
) { ) {
private val cacheKey = "reporting_unit"
suspend fun refreshReportingUnits(student: Student) { suspend fun refreshReportingUnits(student: Student) {
val new = sdk.init(student).getReportingUnits().mapToEntities(student) val new = sdk.init(student).getReportingUnits().mapToEntities(student)
val old = reportingUnitDb.load(student.id.toInt()) val old = reportingUnitDb.load(student.id.toInt())
reportingUnitDb.deleteAll(old.uniqueSubtract(new)) reportingUnitDb.deleteAll(old.uniqueSubtract(new))
reportingUnitDb.insertAll(new.uniqueSubtract(old)) reportingUnitDb.insertAll(new.uniqueSubtract(old))
refreshHelper.updateLastRefreshTimestamp(getRefreshKey(cacheKey, student))
} }
suspend fun getReportingUnits(student: Student): List<ReportingUnit> { suspend fun getReportingUnits(student: Student): List<ReportingUnit> {
return reportingUnitDb.load(student.id.toInt()).ifEmpty { val cached = reportingUnitDb.load(student.id.toInt())
refreshReportingUnits(student) val isExpired = refreshHelper.shouldBeRefreshed(getRefreshKey(cacheKey, student))
return if (cached.isEmpty() || isExpired) {
refreshReportingUnits(student)
reportingUnitDb.load(student.id.toInt()) reportingUnitDb.load(student.id.toInt())
} } else cached
} }
suspend fun getReportingUnit(student: Student, unitId: Int): ReportingUnit? { suspend fun getReportingUnit(student: Student, unitId: Int): ReportingUnit? {
return reportingUnitDb.loadOne(student.id.toInt(), unitId) ?: run { val cached = reportingUnitDb.loadOne(student.id.toInt(), unitId)
refreshReportingUnits(student) val isExpired = refreshHelper.shouldBeRefreshed(getRefreshKey(cacheKey, student))
return reportingUnitDb.loadOne(student.id.toInt(), unitId) return if (cached == null || isExpired) {
} refreshReportingUnits(student)
reportingUnitDb.loadOne(student.id.toInt(), unitId)
} else cached
} }
} }