diff -r 4f912cd42876 -r 86b5d8a1662f src/main/kotlin/de/uapcore/lightpit/dao/postgres/PGProjectDao.kt
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/src/main/kotlin/de/uapcore/lightpit/dao/postgres/PGProjectDao.kt	Thu Nov 19 13:58:54 2020 +0100
@@ -0,0 +1,122 @@
+/*
+ * Copyright 2020 Mike Becker. All rights reserved.
+ *
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions are met:
+ *
+ * 1. Redistributions of source code must retain the above copyright
+ * notice, this list of conditions and the following disclaimer.
+ *
+ * 2. Redistributions in binary form must reproduce the above copyright
+ * notice, this list of conditions and the following disclaimer in the
+ * documentation and/or other materials provided with the distribution.
+ *
+ * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
+ * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
+ * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
+ * DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE LIABLE
+ * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
+ * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR
+ * SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER
+ * CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY,
+ * OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
+ * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+ *
+ */
+
+package de.uapcore.lightpit.dao.postgres
+
+import de.uapcore.lightpit.dao.AbstractProjectDao
+import de.uapcore.lightpit.dao.Functions
+import de.uapcore.lightpit.entities.IssueSummary
+import de.uapcore.lightpit.entities.Project
+import de.uapcore.lightpit.entities.User
+import java.sql.Connection
+import java.sql.PreparedStatement
+import java.sql.ResultSet
+
+class PGProjectDao(connection: Connection) : AbstractProjectDao() {
+
+    private val query = "select projectid, name, node, description, repourl, " +
+            "userid, username, lastname, givenname, mail " +
+            "from lpit_project " +
+            "left join lpit_user owner on lpit_project.owner = owner.userid "
+
+    private val listStmt = connection.prepareStatement("$query order by name")
+    private val findStmt = connection.prepareStatement("$query where projectid = ?")
+    private val findByNodeStmt = connection.prepareStatement("$query where node = ?")
+    private val issueSummaryStmt = connection.prepareStatement(
+            "select phase, count(*) as total " +
+                    "from lpit_issue " +
+                    "join lpit_issue_phases using(status) " +
+                    "where project = ? " +
+                    "group by phase "
+    )
+    private val insertStmt = connection.prepareStatement(
+            "insert into lpit_project (name, node, description, repourl, owner) values (?, ?, ?, ?, ?)"
+    )
+    private val updateStmt = connection.prepareStatement(
+            "update lpit_project set name = ?, node = ?, description = ?, repourl = ?, owner = ? where projectid = ?"
+    )
+
+    override fun mapResult(rs: ResultSet): Project {
+        val proj = Project(rs.getInt("projectid"))
+        proj.name = rs.getString("name")
+        proj.node = rs.getString("node")
+        proj.description = rs.getString("description")
+        proj.repoUrl = rs.getString("repourl")
+        proj.owner = PGUserDao.mapResult(rs).takeUnless { rs.wasNull() }
+        return proj
+    }
+
+    override fun getIssueSummary(project: Project): IssueSummary {
+        issueSummaryStmt.setInt(1, project.id)
+        val result = issueSummaryStmt.executeQuery()
+        val summary = IssueSummary()
+        while (result.next()) {
+            val phase = result.getInt("phase")
+            val total = result.getInt("total")
+            when (phase) {
+                0 -> summary.open = total
+                1 -> summary.active = total
+                2 -> summary.done = total
+            }
+        }
+        return summary
+    }
+
+    private fun setColumns(stmt: PreparedStatement, instance: Project): Int {
+        var column = 0
+        stmt.setString(++column, instance.name)
+        stmt.setString(++column, instance.node)
+        Functions.setStringOrNull(stmt, ++column, instance.description)
+        Functions.setStringOrNull(stmt, ++column, instance.repoUrl)
+        setForeignKeyOrNull(stmt, ++column, instance.owner, User::id)
+        return column
+    }
+
+    override fun save(instance: Project) {
+        setColumns(insertStmt, instance)
+        insertStmt.executeUpdate()
+    }
+
+    override fun update(instance: Project): Boolean {
+        var column = setColumns(updateStmt, instance)
+        updateStmt.setInt(++column, instance.id)
+        return updateStmt.executeUpdate() > 0
+    }
+
+    override fun list(): List<Project> {
+        return super.list(listStmt)
+    }
+
+    override fun find(id: Int): Project? {
+        findStmt.setInt(1, id)
+        return super.find(findStmt)
+    }
+
+    override fun findByNode(node: String): Project? {
+        findByNodeStmt.setString(1, node)
+        return super.find(findByNodeStmt)
+    }
+}
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