diff -r bbf4eb9a71f8 -r bf67e0ff7131 src/main/kotlin/de/uapcore/lightpit/servlet/IssuesServlet.kt
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/src/main/kotlin/de/uapcore/lightpit/servlet/IssuesServlet.kt	Mon Aug 05 18:40:47 2024 +0200
@@ -0,0 +1,102 @@
+package de.uapcore.lightpit.servlet
+
+import de.uapcore.lightpit.AbstractServlet
+import de.uapcore.lightpit.HttpRequest
+import de.uapcore.lightpit.dao.DataAccessObject
+import de.uapcore.lightpit.entities.Issue
+import de.uapcore.lightpit.logic.*
+import de.uapcore.lightpit.viewmodel.*
+import jakarta.servlet.annotation.WebServlet
+
+@WebServlet(urlPatterns = ["/issues/*"])
+class IssuesServlet : AbstractServlet() {
+
+    private val pathInfos = PathInfosOnlyIssues("issues/")
+
+    init {
+        get("/", this::issues)
+
+        get("/%issue", this::issue)
+        get("/%issue/edit", this::issueForm)
+        post("/%issue/comment", this::issueComment)
+        post("/%issue/relation", this::issueRelation)
+        get("/%issue/removeRelation", this::issueRemoveRelation)
+        post("/%issue/commit", this::issueCommit)
+    }
+
+    private fun issues(http: HttpRequest, dao: DataAccessObject) {
+        val filter = IssueFilter(http, dao)
+        val needRelationsMap = filter.onlyBlocker
+        val relationsMap = if (needRelationsMap) dao.getIssueRelationMap(filter.includeDone) else emptyMap()
+
+        val issues = dao.listIssues(filter.includeDone)
+            .sortedWith(IssueSorter(filter.sortPrimary, filter.sortSecondary, filter.sortTertiary))
+            .filter(issueFilterFunction(filter, relationsMap, http.remoteUser ?: "<Anonymous>"))
+
+        with(http) {
+            pageTitle = i18n("issues")
+            view = IssueOverview(issues, filter)
+            styleSheets = listOf("projects")
+            javascript = "issue-overview"
+            render("issues")
+        }
+    }
+
+    private fun issue(http: HttpRequest, dao: DataAccessObject) {
+        val issue = http.pathParams["issue"]?.toIntOrNull()?.let(dao::findIssue)
+        if (issue == null) {
+            http.response.sendError(404)
+            return
+        }
+        renderIssueView(http, dao, issue, pathInfos)
+    }
+
+    private fun issueForm(http: HttpRequest, dao: DataAccessObject) {
+        val issue = http.pathParams["issue"]?.toIntOrNull()?.let(dao::findIssue)
+        if (issue == null) {
+            http.response.sendError(404)
+            return
+        }
+
+        with(http) {
+            view = IssueEditView(
+                issue,
+                dao.listVersions(issue.project),
+                dao.listComponents(issue.project),
+                dao.listUsers(),
+                issue.project
+            )
+            styleSheets = listOf("projects")
+            javascript = "issue-editor"
+            render("issue-form")
+        }
+    }
+
+    private fun issueComment(http: HttpRequest, dao: DataAccessObject) {
+        commitIssueComment(http, dao, pathInfos)
+    }
+
+    private fun issueCommit(http: HttpRequest, dao: DataAccessObject) {
+        val reference = http.param("id")?.toIntOrNull()?.let(dao::findIssue)
+        if (reference == null) {
+            logger.warn("Cannot create issues while not in a project context.")
+            http.response.sendError(404)
+            return
+        }
+        val issue = Issue(reference.id, reference.project)
+        processIssueForm(issue, reference, http, dao)
+        if (http.param("save") != null) {
+            http.renderCommit("${pathInfos.issuesHref}${issue.id}")
+        } else {
+            http.renderCommit(pathInfos.issuesHref)
+        }
+    }
+
+    private fun issueRelation(http: HttpRequest, dao: DataAccessObject) {
+        addIssueRelation(http, dao, pathInfos)
+    }
+
+    private fun issueRemoveRelation(http: HttpRequest, dao: DataAccessObject) {
+        removeIssueRelation(http, dao, pathInfos)
+    }
+}
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