99 lines
3.4 KiB
Kotlin
99 lines
3.4 KiB
Kotlin
/**
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* ProjectLaogai
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*
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* Copyright 2019-2020 <seil0@mosad.xyz>
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*
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* This program is free software; you can redistribute it and/or modify
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* it under the terms of the GNU General Public License as published by
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* the Free Software Foundation; either version 3 of the License, or
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* (at your option) any later version.
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*
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with this program; if not, write to the Free Software
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* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston,
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* MA 02110-1301, USA.
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*
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*/
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package org.mosad.seil0.projectlaogai.controller
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import android.content.Context
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import androidx.work.ExistingPeriodicWorkPolicy
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import androidx.work.PeriodicWorkRequestBuilder
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import androidx.work.WorkManager
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import org.mosad.seil0.projectlaogai.controller.preferences.Preferences
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import org.mosad.seil0.projectlaogai.util.GradeSubject
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import org.mosad.seil0.projectlaogai.worker.GradesUpdateWorker
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import java.util.concurrent.TimeUnit
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class GradesController {
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/**
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* show the difference between 2 grades sets
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*/
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fun diffGrades(origMap: Map<String, ArrayList<GradeSubject>>, diffMap: Map<String, ArrayList<GradeSubject>>): ArrayList<GradeSubject> {
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val diff = ArrayList<GradeSubject>()
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diffMap.values.forEach { semester ->
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// if it's the same, no need to compare
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if (!origMap.containsValue(semester)) {
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semester.forEach { gradeSubject ->
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// for each of the grades, check if it differs from the origMap
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if (origMap.containsKey(gradeSubject.semester)) {
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// a new or changed subject
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if (gradeSubject !in origMap[gradeSubject.semester]!!) {
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diff.add(gradeSubject)
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}
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} else {
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// a new semester
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diff.add(gradeSubject)
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}
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}
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}
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}
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return diff
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}
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companion object {
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/**
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* stop the grades background sync, if the sync interval is greater than 0
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* start it again with the new interval
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*/
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fun updateBackgroundSync(context: Context) {
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stopBackgroundSync(context)
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// if interval is not 0, start background Sync
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if (Preferences.gradesSyncInterval > 0)
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startBackgroundSync(context)
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}
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/**
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* start a new periodic worker GradesUpdateWorker
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*/
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fun startBackgroundSync(context: Context) {
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val work = PeriodicWorkRequestBuilder<GradesUpdateWorker>(
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Preferences.gradesSyncInterval.toLong(),
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TimeUnit.HOURS
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).build()
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val workManager = WorkManager.getInstance(context)
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workManager.enqueueUniquePeriodicWork("GradesUpdateWorker", ExistingPeriodicWorkPolicy.REPLACE, work)
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}
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/**
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* cancel GradesUpdateWorker
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*/
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fun stopBackgroundSync(context: Context) {
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WorkManager.getInstance(context).cancelUniqueWork("GradesUpdateWorker")
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}
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}
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} |