src/main/kotlin/de/uapcore/lightpit/dao/postgres/PGProjectDao.kt

Thu, 19 Nov 2020 13:58:54 +0100

author
mike@uapl01.localdomain
date
Thu, 19 Nov 2020 13:58:54 +0100
changeset 159
86b5d8a1662f
permissions
-rw-r--r--

migrates DAO classes

     1 /*
     2  * Copyright 2020 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  *
    25  */
    27 package de.uapcore.lightpit.dao.postgres
    29 import de.uapcore.lightpit.dao.AbstractProjectDao
    30 import de.uapcore.lightpit.dao.Functions
    31 import de.uapcore.lightpit.entities.IssueSummary
    32 import de.uapcore.lightpit.entities.Project
    33 import de.uapcore.lightpit.entities.User
    34 import java.sql.Connection
    35 import java.sql.PreparedStatement
    36 import java.sql.ResultSet
    38 class PGProjectDao(connection: Connection) : AbstractProjectDao() {
    40     private val query = "select projectid, name, node, description, repourl, " +
    41             "userid, username, lastname, givenname, mail " +
    42             "from lpit_project " +
    43             "left join lpit_user owner on lpit_project.owner = owner.userid "
    45     private val listStmt = connection.prepareStatement("$query order by name")
    46     private val findStmt = connection.prepareStatement("$query where projectid = ?")
    47     private val findByNodeStmt = connection.prepareStatement("$query where node = ?")
    48     private val issueSummaryStmt = connection.prepareStatement(
    49             "select phase, count(*) as total " +
    50                     "from lpit_issue " +
    51                     "join lpit_issue_phases using(status) " +
    52                     "where project = ? " +
    53                     "group by phase "
    54     )
    55     private val insertStmt = connection.prepareStatement(
    56             "insert into lpit_project (name, node, description, repourl, owner) values (?, ?, ?, ?, ?)"
    57     )
    58     private val updateStmt = connection.prepareStatement(
    59             "update lpit_project set name = ?, node = ?, description = ?, repourl = ?, owner = ? where projectid = ?"
    60     )
    62     override fun mapResult(rs: ResultSet): Project {
    63         val proj = Project(rs.getInt("projectid"))
    64         proj.name = rs.getString("name")
    65         proj.node = rs.getString("node")
    66         proj.description = rs.getString("description")
    67         proj.repoUrl = rs.getString("repourl")
    68         proj.owner = PGUserDao.mapResult(rs).takeUnless { rs.wasNull() }
    69         return proj
    70     }
    72     override fun getIssueSummary(project: Project): IssueSummary {
    73         issueSummaryStmt.setInt(1, project.id)
    74         val result = issueSummaryStmt.executeQuery()
    75         val summary = IssueSummary()
    76         while (result.next()) {
    77             val phase = result.getInt("phase")
    78             val total = result.getInt("total")
    79             when (phase) {
    80                 0 -> summary.open = total
    81                 1 -> summary.active = total
    82                 2 -> summary.done = total
    83             }
    84         }
    85         return summary
    86     }
    88     private fun setColumns(stmt: PreparedStatement, instance: Project): Int {
    89         var column = 0
    90         stmt.setString(++column, instance.name)
    91         stmt.setString(++column, instance.node)
    92         Functions.setStringOrNull(stmt, ++column, instance.description)
    93         Functions.setStringOrNull(stmt, ++column, instance.repoUrl)
    94         setForeignKeyOrNull(stmt, ++column, instance.owner, User::id)
    95         return column
    96     }
    98     override fun save(instance: Project) {
    99         setColumns(insertStmt, instance)
   100         insertStmt.executeUpdate()
   101     }
   103     override fun update(instance: Project): Boolean {
   104         var column = setColumns(updateStmt, instance)
   105         updateStmt.setInt(++column, instance.id)
   106         return updateStmt.executeUpdate() > 0
   107     }
   109     override fun list(): List<Project> {
   110         return super.list(listStmt)
   111     }
   113     override fun find(id: Int): Project? {
   114         findStmt.setInt(1, id)
   115         return super.find(findStmt)
   116     }
   118     override fun findByNode(node: String): Project? {
   119         findByNodeStmt.setString(1, node)
   120         return super.find(findByNodeStmt)
   121     }
   122 }

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