src/main/kotlin/de/uapcore/lightpit/servlet/FeedServlet.kt

Sat, 27 Nov 2021 12:12:20 +0100

author
Mike Becker <universe@uap-core.de>
date
Sat, 27 Nov 2021 12:12:20 +0100
changeset 241
1ca4f27cefe8
parent 240
7303812a4424
child 242
b7f3e972b13c
permissions
-rw-r--r--

#109 changes assignee filter

universe@195 1 /*
universe@195 2 * Copyright 2021 Mike Becker. All rights reserved.
universe@195 3 *
universe@195 4 * Redistribution and use in source and binary forms, with or without
universe@195 5 * modification, are permitted provided that the following conditions are met:
universe@195 6 *
universe@195 7 * 1. Redistributions of source code must retain the above copyright
universe@195 8 * notice, this list of conditions and the following disclaimer.
universe@195 9 *
universe@195 10 * 2. Redistributions in binary form must reproduce the above copyright
universe@195 11 * notice, this list of conditions and the following disclaimer in the
universe@195 12 * documentation and/or other materials provided with the distribution.
universe@195 13 *
universe@195 14 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
universe@195 15 * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
universe@195 16 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
universe@195 17 * DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE LIABLE
universe@195 18 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
universe@195 19 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR
universe@195 20 * SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER
universe@195 21 * CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY,
universe@195 22 * OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
universe@195 23 * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
universe@195 24 */
universe@195 25
universe@195 26 package de.uapcore.lightpit.servlet
universe@195 27
universe@236 28 import com.github.difflib.text.DiffRow
universe@236 29 import com.github.difflib.text.DiffRowGenerator
universe@195 30 import de.uapcore.lightpit.AbstractServlet
universe@195 31 import de.uapcore.lightpit.HttpRequest
universe@195 32 import de.uapcore.lightpit.dao.DataAccessObject
universe@235 33 import de.uapcore.lightpit.entities.IssueHistoryData
universe@235 34 import de.uapcore.lightpit.entities.IssueHistoryEntry
universe@235 35 import de.uapcore.lightpit.viewmodel.IssueDiff
universe@195 36 import de.uapcore.lightpit.viewmodel.IssueFeed
universe@235 37 import de.uapcore.lightpit.viewmodel.IssueFeedEntry
universe@235 38 import java.text.SimpleDateFormat
universe@195 39 import javax.servlet.annotation.WebServlet
universe@195 40
universe@236 41
universe@195 42 @WebServlet(urlPatterns = ["/feed/*"])
universe@195 43 class FeedServlet : AbstractServlet() {
universe@195 44
universe@195 45 init {
universe@198 46 get("/%project/issues.rss", this::issues)
universe@198 47 }
universe@198 48
universe@235 49 private fun fullContent(issue: IssueHistoryData) = IssueDiff(
universe@235 50 issue.id,
universe@235 51 issue.subject,
universe@235 52 issue.component,
universe@235 53 issue.status.name,
universe@235 54 issue.category.name,
universe@235 55 issue.subject,
universe@236 56 issue.description.replace("\r", ""),
universe@235 57 issue.assignee,
universe@235 58 issue.eta?.let { SimpleDateFormat("dd.MM.yyyy").format(it) } ?: "",
universe@235 59 issue.affected,
universe@235 60 issue.resolved
universe@235 61 )
universe@235 62
universe@235 63 private fun diffContent(cur: IssueHistoryData, next: IssueHistoryData): IssueDiff {
universe@236 64 val generator = DiffRowGenerator.create()
universe@236 65 .showInlineDiffs(true)
universe@236 66 .mergeOriginalRevised(true)
universe@236 67 .inlineDiffByWord(true)
universe@236 68 .oldTag { start -> if (start) "<strike style=\"color:red\">" else "</strike>" }
universe@236 69 .newTag { start -> if (start) "<i style=\"color: green\">" else "</i>" }
universe@236 70 .build()
universe@236 71
universe@235 72 val prev = fullContent(next)
universe@235 73 val diff = fullContent(cur)
universe@236 74
universe@236 75 val result = generator.generateDiffRows(
universe@238 76 listOf(
universe@238 77 prev.subject, prev.component, prev.status,
universe@238 78 prev.category, prev.assignee, prev.eta, prev.affected, prev.resolved
universe@238 79 ),
universe@238 80 listOf(
universe@238 81 diff.subject, diff.component, diff.status,
universe@238 82 diff.category, diff.assignee, diff.eta, diff.affected, diff.resolved
universe@238 83 )
universe@236 84 )
universe@236 85
universe@236 86 diff.subject = result[0].oldLine
universe@236 87 diff.component = result[1].oldLine
universe@236 88 diff.status = result[2].oldLine
universe@236 89 diff.category = result[3].oldLine
universe@236 90 diff.assignee = result[4].oldLine
universe@236 91 diff.eta = result[5].oldLine
universe@236 92 diff.affected = result[6].oldLine
universe@236 93 diff.resolved = result[7].oldLine
universe@236 94
universe@236 95 diff.description = generator.generateDiffRows(
universe@236 96 prev.description.split('\n'),
universe@236 97 diff.description.split('\n')
universe@240 98 ).joinToString("\n", transform = DiffRow::getOldLine)
universe@236 99
universe@235 100 return diff
universe@235 101 }
universe@235 102
universe@235 103 /**
universe@235 104 * Generates the feed entries.
universe@235 105 * Assumes that [historyEntry] is already sorted by timestamp (descending).
universe@235 106 */
universe@238 107 private fun generateFeedEntries(historyEntry: List<IssueHistoryEntry>): List<IssueFeedEntry> =
universe@238 108 if (historyEntry.isEmpty()) {
universe@238 109 emptyList()
universe@238 110 } else {
universe@238 111 historyEntry.groupBy { it.data.id }.mapValues { (_, history) ->
universe@238 112 history.zipWithNext().map { (cur, next) ->
universe@238 113 IssueFeedEntry(
universe@238 114 cur.time, cur.type, diffContent(cur.data, next.data)
universe@238 115 )
universe@238 116 }.plus(
universe@238 117 history.last().let { IssueFeedEntry(it.time, it.type, fullContent(it.data)) }
universe@238 118 )
universe@238 119 }.flatMap { it.value }.sortedByDescending { it.time }
universe@238 120 }
universe@235 121
universe@195 122 private fun issues(http: HttpRequest, dao: DataAccessObject) {
universe@198 123 val project = http.pathParams["project"]?.let { dao.findProjectByNode(it) }
universe@198 124 if (project == null) {
universe@198 125 http.response.sendError(404)
universe@198 126 return
universe@198 127 }
universe@239 128 val assignees = http.param("assignee")?.split(',')
universe@195 129
universe@235 130 val days = http.param("days")?.toIntOrNull() ?: 30
universe@195 131
universe@239 132 val issuesFromDb = dao.listIssueHistory(project.id, days)
universe@239 133 val issueHistory = if (assignees == null) issuesFromDb else
universe@241 134 issuesFromDb.filter { assignees.contains(it.currentAssignee) }
universe@239 135
universe@235 136 // TODO: add comment history depending on parameter
universe@235 137
universe@235 138 http.view = IssueFeed(project, generateFeedEntries(issueHistory))
universe@198 139 http.renderFeed("issues-feed")
universe@195 140 }
universe@195 141 }

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