59 lines
1.9 KiB
Kotlin
59 lines
1.9 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 org.mosad.seil0.projectlaogai.util.GradeSubject
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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: HashMap<String, ArrayList<GradeSubject>>, diffMap: HashMap<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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} |