LightPIT: src/main/kotlin/de/uapcore/lightpit/util/Issues.kt@90dc13c78b5d

     1 /*

     2  * Copyright 2021 Mike Becker. All rights reserved.

     3  *

     4  * Redistribution and use in source and binary forms, with or without

     5  * modification, are permitted provided that the following conditions are met:

     6  *

     7  * 1. Redistributions of source code must retain the above copyright

     8  * notice, this list of conditions and the following disclaimer.

     9  *

    10  * 2. Redistributions in binary form must reproduce the above copyright

    11  * notice, this list of conditions and the following disclaimer in the

    12  * documentation and/or other materials provided with the distribution.

    13  *

    14  * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"

    15  * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE

    16  * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE

    17  * DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE LIABLE

    18  * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL

    19  * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR

    20  * SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER

    21  * CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY,

    22  * OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE

    23  * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.

    24  */

    26 package de.uapcore.lightpit.util

    28 import de.uapcore.lightpit.entities.Issue

    29 import de.uapcore.lightpit.types.IssueStatusPhase

    31 data class IssueSorter(val criteria: List<Criteria>) : Comparator<Issue> {

    32     enum class Field {

    33         DONE, ETA, UPDATED

    34     }

    36     data class Criteria(val field: Field, val asc: Boolean = true)

    38     companion object {

    39         val DEFAULT_ISSUE_SORTER = IssueSorter(listOf(

    40             Criteria(Field.DONE),

    41             Criteria(Field.ETA),

    42             Criteria(Field.UPDATED, false)

    43         ))

    44     }

    46     override fun compare(left: Issue, right: Issue): Int {

    47         if (left == right) {

    48             return 0;

    49         }

    50         for (c in criteria) {

    51             val result = when (c.field) {

    52                 Field.DONE -> (left.status.phase == IssueStatusPhase.Done).compareTo(right.status.phase == IssueStatusPhase.Done)

    53                 Field.ETA -> {

    54                     val l = left.eta

    55                     val r = right.eta

    56                     if (l == null && r == null) 0

    57                     else if (l == null) 1

    58                     else if (r == null) -1

    59                     else l.compareTo(r)

    60                 }

    61                 Field.UPDATED -> left.updated.compareTo(right.updated)

    62             }

    63             if (result != 0) {

    64                 return if (c.asc) result else -result

    65             }

    66         }

    67         return 0

    68     }

    69 }

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