tdpeuter/2023SELab1-project-Studeez
tdpeuter/2023SELab1-project-Studeez
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#74 feed is now sorted on taskdates

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This commit is contained in:
lbarraga 2023-05-07 14:26:07 +02:00
parent 260171a972
commit 3f6d416f39
1 changed files with 12 additions and 3 deletions
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15
app/src/main/java/be/ugent/sel/studeez/domain/implementation/FirebaseFeedDAO.kt
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@ -7,6 +7,7 @@ import be.ugent.sel.studeez.data.local.models.task.Task
import be.ugent.sel.studeez.domain.FeedDAO
import be.ugent.sel.studeez.domain.SessionDAO
import be.ugent.sel.studeez.domain.TaskDAO
import com.google.firebase.Timestamp
import kotlinx.coroutines.flow.*
import javax.inject.Inject
@ -22,15 +23,22 @@ class FirebaseFeedDAO @Inject constructor(
.map { sessionReport -> sessionToFeedEntry(sessionReport) }
.groupBy { it.taskId }
.map { fuseFeedEntries(it.component2()) }
.sortedByDescending { it.endTime }
}
}
private fun fuseFeedEntries(entries: List<FeedEntry>): FeedEntry =
entries.fold(entries[0]) { accEntry, newEntry ->
val newStudyTime = accEntry.totalStudyTime + newEntry.totalStudyTime
accEntry.copy(totalStudyTime = newStudyTime)
accEntry.copy(
totalStudyTime = accEntry.totalStudyTime + newEntry.totalStudyTime,
endTime = getMostRecent(accEntry.endTime, newEntry.endTime)
)
}
private fun getMostRecent(t1: Timestamp, t2: Timestamp): Timestamp {
return if (t1 < t2) t2 else t1
}
private suspend fun sessionToFeedEntry(sessionReport: SessionReport): FeedEntry {
val subjectId: String = sessionReport.subjectId
@ -45,7 +53,8 @@ class FirebaseFeedDAO @Inject constructor(
taskName = task.name,
taskId = task.id,
subjectId = subject.id,
totalStudyTime = sessionReport.studyTime
totalStudyTime = sessionReport.studyTime,
endTime = sessionReport.endTime
)
}
}