Sat, 27 Nov 2021 12:12:20 +0100
#109 changes assignee filter
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.servlet
28 import com.github.difflib.text.DiffRow
29 import com.github.difflib.text.DiffRowGenerator
30 import de.uapcore.lightpit.AbstractServlet
31 import de.uapcore.lightpit.HttpRequest
32 import de.uapcore.lightpit.dao.DataAccessObject
33 import de.uapcore.lightpit.entities.IssueHistoryData
34 import de.uapcore.lightpit.entities.IssueHistoryEntry
35 import de.uapcore.lightpit.viewmodel.IssueDiff
36 import de.uapcore.lightpit.viewmodel.IssueFeed
37 import de.uapcore.lightpit.viewmodel.IssueFeedEntry
38 import java.text.SimpleDateFormat
39 import javax.servlet.annotation.WebServlet
42 @WebServlet(urlPatterns = ["/feed/*"])
43 class FeedServlet : AbstractServlet() {
45 init {
46 get("/%project/issues.rss", this::issues)
47 }
49 private fun fullContent(issue: IssueHistoryData) = IssueDiff(
50 issue.id,
51 issue.subject,
52 issue.component,
53 issue.status.name,
54 issue.category.name,
55 issue.subject,
56 issue.description.replace("\r", ""),
57 issue.assignee,
58 issue.eta?.let { SimpleDateFormat("dd.MM.yyyy").format(it) } ?: "",
59 issue.affected,
60 issue.resolved
61 )
63 private fun diffContent(cur: IssueHistoryData, next: IssueHistoryData): IssueDiff {
64 val generator = DiffRowGenerator.create()
65 .showInlineDiffs(true)
66 .mergeOriginalRevised(true)
67 .inlineDiffByWord(true)
68 .oldTag { start -> if (start) "<strike style=\"color:red\">" else "</strike>" }
69 .newTag { start -> if (start) "<i style=\"color: green\">" else "</i>" }
70 .build()
72 val prev = fullContent(next)
73 val diff = fullContent(cur)
75 val result = generator.generateDiffRows(
76 listOf(
77 prev.subject, prev.component, prev.status,
78 prev.category, prev.assignee, prev.eta, prev.affected, prev.resolved
79 ),
80 listOf(
81 diff.subject, diff.component, diff.status,
82 diff.category, diff.assignee, diff.eta, diff.affected, diff.resolved
83 )
84 )
86 diff.subject = result[0].oldLine
87 diff.component = result[1].oldLine
88 diff.status = result[2].oldLine
89 diff.category = result[3].oldLine
90 diff.assignee = result[4].oldLine
91 diff.eta = result[5].oldLine
92 diff.affected = result[6].oldLine
93 diff.resolved = result[7].oldLine
95 diff.description = generator.generateDiffRows(
96 prev.description.split('\n'),
97 diff.description.split('\n')
98 ).joinToString("\n", transform = DiffRow::getOldLine)
100 return diff
101 }
103 /**
104 * Generates the feed entries.
105 * Assumes that [historyEntry] is already sorted by timestamp (descending).
106 */
107 private fun generateFeedEntries(historyEntry: List<IssueHistoryEntry>): List<IssueFeedEntry> =
108 if (historyEntry.isEmpty()) {
109 emptyList()
110 } else {
111 historyEntry.groupBy { it.data.id }.mapValues { (_, history) ->
112 history.zipWithNext().map { (cur, next) ->
113 IssueFeedEntry(
114 cur.time, cur.type, diffContent(cur.data, next.data)
115 )
116 }.plus(
117 history.last().let { IssueFeedEntry(it.time, it.type, fullContent(it.data)) }
118 )
119 }.flatMap { it.value }.sortedByDescending { it.time }
120 }
122 private fun issues(http: HttpRequest, dao: DataAccessObject) {
123 val project = http.pathParams["project"]?.let { dao.findProjectByNode(it) }
124 if (project == null) {
125 http.response.sendError(404)
126 return
127 }
128 val assignees = http.param("assignee")?.split(',')
130 val days = http.param("days")?.toIntOrNull() ?: 30
132 val issuesFromDb = dao.listIssueHistory(project.id, days)
133 val issueHistory = if (assignees == null) issuesFromDb else
134 issuesFromDb.filter { assignees.contains(it.currentAssignee) }
136 // TODO: add comment history depending on parameter
138 http.view = IssueFeed(project, generateFeedEntries(issueHistory))
139 http.renderFeed("issues-feed")
140 }
141 }