1 | /* |
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2 | * Copyright (C) 2010 Ixonos Plc. |
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3 | * Copyright (C) 2011 Philipp Spitzer, gregor herrmann |
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4 | * |
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5 | * This file is part of ConfClerk. |
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6 | * |
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7 | * ConfClerk is free software: you can redistribute it and/or modify it |
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8 | * under the terms of the GNU General Public License as published by the Free |
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9 | * Software Foundation, either version 2 of the License, or (at your option) |
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10 | * any later version. |
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11 | * |
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12 | * ConfClerk is distributed in the hope that it will be useful, but |
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13 | * WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY |
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14 | * or FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for |
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15 | * more details. |
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16 | * |
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17 | * You should have received a copy of the GNU General Public License along with |
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18 | * ConfClerk. If not, see <http://www.gnu.org/licenses/>. |
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19 | */ |
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20 | |
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21 | #include <QSqlError> |
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22 | #include <QSqlQuery> |
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23 | #include <QSqlRecord> |
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24 | #include <QVariant> |
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25 | #include <QDateTime> |
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26 | |
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27 | #include <QDir> |
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28 | #include <QDesktopServices> |
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29 | #include "sqlengine.h" |
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30 | #include <track.h> |
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31 | #include <conference.h> |
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32 | |
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33 | #include <QDebug> |
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34 | |
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35 | const QString DATE_FORMAT ("yyyy-MM-dd"); |
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36 | const QString TIME_FORMAT ("hh:mm"); |
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37 | |
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38 | SqlEngine::SqlEngine(QObject *aParent) |
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39 | : QObject(aParent) |
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40 | { |
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41 | } |
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42 | |
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43 | SqlEngine::~SqlEngine() |
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44 | { |
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45 | } |
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46 | |
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47 | QString SqlEngine::login(const QString &aDatabaseType, const QString &aDatabaseName) |
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48 | { |
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49 | QSqlDatabase database = QSqlDatabase::addDatabase(aDatabaseType); |
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50 | database.setDatabaseName(aDatabaseName); |
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51 | |
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52 | bool result = false; |
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53 | if(!QFile::exists(aDatabaseName)) // the DB (tables) doesn't exists, and so we have to create one |
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54 | { |
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55 | // create Db |
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56 | if (!database.open()) qDebug() << "Could not open database" << database.lastError(); |
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57 | QFile file(":/create_tables.sql"); |
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58 | file.open(QIODevice::ReadOnly | QIODevice::Text); |
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59 | QString allSqlStatements = file.readAll(); |
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60 | foreach(QString sql, allSqlStatements.split(";")) { |
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61 | QSqlQuery query(database); |
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62 | if (!query.exec(sql)) qDebug() << "Could not execute query" << query.lastError(); |
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63 | } |
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64 | } |
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65 | else |
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66 | { |
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67 | database.open(); |
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68 | } |
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69 | |
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70 | //LOG_INFO(QString("Opening '%1' database '%2'").arg(aDatabaseType).arg(aDatabaseName)); |
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71 | |
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72 | return result ? QString() : database.lastError().text(); |
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73 | } |
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74 | |
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75 | void SqlEngine::initialize() |
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76 | { |
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77 | QString databaseName; |
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78 | QString dataDirName; |
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79 | dataDirName = QDesktopServices::storageLocation(QDesktopServices::DataLocation); |
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80 | QDir dataDir = QDir(dataDirName).absolutePath(); |
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81 | if(!dataDir.exists()) |
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82 | dataDir.mkpath(dataDirName); |
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83 | databaseName = dataDirName + "/ConfClerk.sqlite"; |
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84 | login("QSQLITE",databaseName); |
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85 | } |
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86 | |
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87 | void SqlEngine::addConferenceToDB(QHash<QString,QString> &aConference) |
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88 | { |
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89 | QSqlDatabase db = QSqlDatabase::database(); |
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90 | |
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91 | if (db.isValid() && db.isOpen()) |
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92 | { |
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93 | int confId = 0; |
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94 | QList<Conference> confsList = Conference::getAll(); |
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95 | if(confsList.count()) |
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96 | { |
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97 | QListIterator<Conference> i(confsList); |
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98 | while (i.hasNext()) |
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99 | { |
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100 | Conference conf = i.next(); |
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101 | if( aConference["title"] == conf.title() ) |
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102 | { |
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103 | confId = conf.id(); |
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104 | aConference["id"] = QString::number(confId); |
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105 | break; |
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106 | } |
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107 | } |
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108 | } |
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109 | |
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110 | if(!confId) // conference 'aConference' isn't in the table => insert |
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111 | { |
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112 | QSqlQuery query(db); |
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113 | query.prepare("INSERT INTO CONFERENCE (title,url,subtitle,venue,city,start,end,days," |
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114 | "day_change,timeslot_duration,active) " |
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115 | " VALUES (:title,:url,:subtitle,:venue,:city,:start,:end,:days," |
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116 | ":day_change,:timeslot_duration,:active)"); |
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117 | foreach (QString prop_name, (QList<QString>() << "title" << "url" << "subtitle" << "venue" << "city" << "days")) { |
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118 | query.bindValue(QString(":") + prop_name, aConference[prop_name]); |
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119 | } |
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120 | query.bindValue(":start", QDateTime(QDate::fromString(aConference["start"],DATE_FORMAT),QTime(0,0),Qt::UTC).toTime_t()); |
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121 | query.bindValue(":end", QDateTime(QDate::fromString(aConference["end"],DATE_FORMAT),QTime(0,0),Qt::UTC).toTime_t()); |
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122 | query.bindValue(":day_change", -QTime::fromString(aConference["day_change"],TIME_FORMAT).secsTo(QTime(0,0))); |
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123 | query.bindValue(":day_change", -QTime::fromString(aConference["timeslot_duration"],TIME_FORMAT).secsTo(QTime(0,0))); |
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124 | query.bindValue(":active", confsList.count() > 0 ? 0 : 1); |
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125 | if (!query.exec()) qDebug() << "Could not execute query to insert a conference:" << query.lastError(); |
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126 | aConference["id"] = query.lastInsertId().toString(); // 'id' is assigned automatically |
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127 | } |
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128 | } |
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129 | } |
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130 | |
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131 | void SqlEngine::addEventToDB(QHash<QString,QString> &aEvent) |
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132 | { |
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133 | QSqlDatabase db = QSqlDatabase::database(); |
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134 | |
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135 | if (db.isValid() && db.isOpen()) |
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136 | { |
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137 | //insert event track to table and get track id |
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138 | int conference = aEvent["conference_id"].toInt(); |
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139 | QString name = aEvent["track"]; |
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140 | Track track; |
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141 | int trackId; |
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142 | try |
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143 | { |
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144 | track = Track::retrieveByName(conference, name); |
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145 | trackId = track.id(); |
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146 | } |
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147 | catch (OrmNoObjectException &e) { |
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148 | track.setConference(conference); |
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149 | track.setName(name); |
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150 | trackId = track.insert(); |
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151 | } |
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152 | QDateTime startDateTime; |
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153 | startDateTime.setTimeSpec(Qt::UTC); |
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154 | startDateTime = QDateTime(QDate::fromString(aEvent["date"],DATE_FORMAT),QTime::fromString(aEvent["start"],TIME_FORMAT),Qt::UTC); |
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155 | |
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156 | bool event_exists = false; |
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157 | { |
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158 | QSqlQuery check_event_query; |
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159 | check_event_query.prepare("SELECT * FROM EVENT WHERE xid_conference = :xid_conference AND id = :id"); |
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160 | check_event_query.bindValue(":xid_conference", aEvent["conference_id"]); |
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161 | check_event_query.bindValue(":id", aEvent["id"]); |
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162 | if (!check_event_query.exec()) { |
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163 | qWarning() << "check event failed, conference id:" << aEvent["xid_conference"] |
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164 | << "event id:" << aEvent["id"] |
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165 | << "error:" << check_event_query.lastError() |
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166 | ; |
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167 | return; |
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168 | } |
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169 | if (check_event_query.isActive() and check_event_query.isSelect() and check_event_query.next()) { |
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170 | event_exists = true; |
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171 | } |
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172 | } |
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173 | |
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174 | QSqlQuery result; |
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175 | if (event_exists) { |
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176 | result.prepare("UPDATE EVENT SET" |
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177 | " start = :start" |
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178 | ", duration = :duration" |
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179 | ", xid_track = :xid_track" |
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180 | ", type = :type" |
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181 | ", language = :language" |
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182 | ", tag = :tag" |
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183 | ", title = :title" |
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184 | ", subtitle = :subtitle" |
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185 | ", abstract = :abstract" |
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186 | ", description = :description" |
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187 | " WHERE id = :id AND xid_conference = :xid_conference"); |
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188 | } else { |
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189 | result.prepare("INSERT INTO EVENT " |
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190 | " (xid_conference, id, start, duration, xid_track, type, " |
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191 | " language, tag, title, subtitle, abstract, description) " |
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192 | " VALUES (:xid_conference, :id, :start, :duration, :xid_track, :type, " |
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193 | ":language, :tag, :title, :subtitle, :abstract, :description)"); |
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194 | } |
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195 | result.bindValue(":xid_conference", aEvent["conference_id"]); |
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196 | result.bindValue(":start", QString::number(startDateTime.toTime_t())); |
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197 | result.bindValue(":duration", -QTime::fromString(aEvent["duration"],TIME_FORMAT).secsTo(QTime(0,0))); |
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198 | result.bindValue(":xid_track", trackId); |
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199 | static const QList<QString> props = QList<QString>() |
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200 | << "id" << "type" << "language" << "tag" << "title" << "subtitle" << "abstract" << "description"; |
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201 | foreach (QString prop_name, props) { |
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202 | result.bindValue(QString(":") + prop_name, aEvent[prop_name]); |
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203 | } |
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204 | if (!result.exec()) { |
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205 | qWarning() << "event insert/update failed:" << result.lastError(); |
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206 | } |
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207 | } |
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208 | } |
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209 | |
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210 | void SqlEngine::addPersonToDB(QHash<QString,QString> &aPerson) |
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211 | { |
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212 | QSqlDatabase db = QSqlDatabase::database(); |
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213 | |
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214 | if (db.isValid() && db.isOpen()) |
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215 | { |
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216 | QSqlQuery query(db); |
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217 | query.prepare("INSERT INTO PERSON (xid_conference,id,name) VALUES (:xid_conference, :id, :name)"); |
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218 | query.bindValue(":xid_conference", aPerson["conference_id"]); |
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219 | query.bindValue(":id", aPerson["id"]); |
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220 | query.bindValue(":name", aPerson["name"]); |
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221 | query.exec(); // some queries fail due to the unique key constraint |
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222 | // if (!query.exec()) qDebug() << "SQL query 'insert into person' failed: " << query.lastError(); |
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223 | |
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224 | query = QSqlQuery(db); |
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225 | query.prepare("INSERT INTO EVENT_PERSON (xid_conference,xid_event,xid_person) VALUES (:xid_conference, :xid_event, :xid_person)"); |
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226 | query.bindValue(":xid_conference", aPerson["conference_id"]); |
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227 | query.bindValue(":xid_event", aPerson["event_id"]); |
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228 | query.bindValue(":xid_person", aPerson["id"]); |
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229 | query.exec(); // some queries fail due to the unique key constraint |
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230 | // if (!query.exec()) qDebug() << "SQL query 'insert into event_person' failed: " << query.lastError(); |
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231 | } |
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232 | } |
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233 | |
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234 | void SqlEngine::addRoomToDB(QHash<QString,QString> &aRoom) |
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235 | { |
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236 | QSqlDatabase db = QSqlDatabase::database(); |
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237 | |
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238 | if (db.isValid() && db.isOpen()) |
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239 | { |
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240 | QSqlQuery query(db); |
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241 | query.prepare("SELECT id FROM ROOM WHERE xid_conference=:conference_id and name=:name"); |
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242 | query.bindValue(":conference_id", aRoom["conference_id"]); |
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243 | query.bindValue(":name", aRoom["name"]); |
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244 | if (!query.exec()) qDebug() << "Could not execute select room query: " << query.lastError(); |
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245 | // now we have to check whether ROOM record with 'name' exists or not, |
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246 | // - if it doesn't exist yet, then we have to add that record to 'ROOM' table |
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247 | // and assign autoincremented 'id' to aRoom |
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248 | // - if it exists, then we need to get its 'id' and assign it to aRoom |
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249 | aRoom["id"] = ""; |
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250 | if(query.next()) // ROOM record with 'name' already exists: we need to get its 'id' |
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251 | { |
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252 | aRoom["id"] = query.value(0).toString(); |
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253 | } |
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254 | else // ROOM record doesn't exist yet, need to create it |
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255 | { |
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256 | query = QSqlQuery(db); |
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257 | query.prepare("INSERT INTO ROOM (xid_conference,name,picture) VALUES (:xid_conference, :name, '')"); |
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258 | query.bindValue(":xid_conference", aRoom["conference_id"]); |
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259 | query.bindValue(":xid_name", aRoom["name"]); |
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260 | if (!query.exec()) qDebug() << "Could not execute 'insert into room ...' query." << query.lastError(); |
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261 | aRoom["id"]= query.lastInsertId().toString(); // 'id' is assigned automatically |
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262 | //LOG_AUTOTEST(query); |
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263 | } |
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264 | query = QSqlQuery(db); |
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265 | query.prepare("INSERT INTO EVENT_ROOM (xid_conference,xid_event,xid_room) VALUES (:conference_id, :event_id, :room_id)"); |
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266 | query.bindValue(":conference_id", aRoom["conference_id"]); |
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267 | query.bindValue(":event_id", aRoom["event_id"]); |
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268 | query.bindValue(":room_id", aRoom["id"]); |
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269 | if (!query.exec()) qDebug() << "Could not 'execute insert into event_room' query:" << query.lastError(); |
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270 | } |
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271 | } |
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272 | |
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273 | void SqlEngine::addLinkToDB(QHash<QString,QString> &aLink) |
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274 | { |
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275 | QSqlDatabase db = QSqlDatabase::database(); |
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276 | |
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277 | //TODO: check if the link doesn't exist before inserting |
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278 | if (db.isValid() && db.isOpen()) |
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279 | { |
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280 | QSqlQuery query(db); |
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281 | query.prepare("INSERT INTO LINK (xid_event, xid_conference, name, url) VALUES (:xid_event, :xid_conference, :name, :url)"); |
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282 | query.bindValue(":xid_event", aLink["event_id"]); |
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283 | query.bindValue(":xid_conference", aLink["conference_id"]); |
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284 | query.bindValue(":name", aLink["name"]); |
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285 | query.bindValue(":url", aLink["url"]); |
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286 | if (!query.exec()) qDebug() << "Error executing 'insert into link' query: " << query.lastError(); |
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287 | } |
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288 | } |
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289 | |
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290 | int SqlEngine::searchEvent(int aConferenceId, const QHash<QString,QString> &aColumns, const QString &aKeyword) |
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291 | { |
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292 | QSqlDatabase db = QSqlDatabase::database(); |
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293 | |
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294 | if ( !db.isValid() || !db.isOpen()) |
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295 | return -1; |
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296 | |
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297 | if (aColumns.empty()) return -1; |
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298 | |
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299 | // DROP |
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300 | execQuery( db, "DROP TABLE IF EXISTS SEARCH_EVENT"); |
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301 | // CREATE |
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302 | execQuery( db, "CREATE TABLE SEARCH_EVENT ( xid_conference INTEGER NOT NULL, id INTEGER NOT NULL )"); |
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303 | // INSERT |
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304 | QString sql = QString("INSERT INTO SEARCH_EVENT ( xid_conference, id ) " |
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305 | "SELECT DISTINCT EVENT.xid_conference, EVENT.id FROM EVENT "); |
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306 | if( aColumns.contains("ROOM") ){ |
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307 | sql += "INNER JOIN EVENT_ROOM ON ( EVENT.xid_conference = EVENT_ROOM.xid_conference AND EVENT.id = EVENT_ROOM.xid_event ) "; |
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308 | sql += "INNER JOIN ROOM ON ( EVENT_ROOM.xid_room = ROOM.id ) "; |
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309 | } |
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310 | if( aColumns.contains("PERSON") ){ |
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311 | sql += "INNER JOIN EVENT_PERSON ON ( EVENT.xid_conference = EVENT_PERSON.xid_conference AND EVENT.id = EVENT_PERSON.xid_event ) "; |
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312 | sql += "INNER JOIN PERSON ON ( EVENT_PERSON.xid_person = PERSON.id ) "; |
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313 | } |
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314 | sql += QString("WHERE EVENT.xid_conference = %1 AND (").arg( aConferenceId ); |
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315 | |
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316 | QStringList searchKeywords = aKeyword.split(QRegExp("\\s+")); |
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317 | foreach (QString table, aColumns.uniqueKeys()){ |
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318 | foreach (QString column, aColumns.values(table)){ |
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319 | for (int i=0; i < searchKeywords.count(); i++){ |
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320 | sql += QString("%1.%2 LIKE '\%' || :%1%2 || '\%' OR ").arg( table, column ); |
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321 | } |
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322 | } |
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323 | } |
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324 | sql.chop( QString(" OR ").length() ); |
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325 | sql += QString(")"); |
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326 | |
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327 | QSqlQuery query(db); |
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328 | query.prepare(sql); |
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329 | foreach (QString table, aColumns.uniqueKeys()){ |
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330 | foreach (QString column, aColumns.values(table)){ |
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331 | foreach (QString keyword, searchKeywords){ |
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332 | query.bindValue(QString(":%1%2").arg(table, column), keyword ); |
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333 | } |
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334 | } |
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335 | } |
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336 | |
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337 | if( !query.exec() ){ |
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338 | qDebug() << "Could not execute search query: " << query.lastError().text(); |
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339 | return -1; |
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340 | } |
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341 | |
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342 | return 1; |
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343 | } |
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344 | |
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345 | bool SqlEngine::beginTransaction() |
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346 | { |
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347 | QSqlDatabase db = QSqlDatabase::database(); |
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348 | |
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349 | return execQuery(db, "BEGIN IMMEDIATE TRANSACTION"); |
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350 | } |
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351 | |
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352 | bool SqlEngine::commitTransaction() |
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353 | { |
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354 | QSqlDatabase db = QSqlDatabase::database(); |
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355 | |
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356 | return execQuery(db, "COMMIT"); |
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357 | } |
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358 | |
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359 | void SqlEngine::deleteConference(int id) |
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360 | { |
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361 | QSqlDatabase db = QSqlDatabase::database(); |
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362 | |
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363 | if ( !db.isValid() || !db.isOpen()) { |
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364 | return; |
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365 | } |
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366 | |
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367 | beginTransaction(); |
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368 | |
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369 | QHash<QString, QVariant> params; |
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370 | params["xid_conference"] = id; |
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371 | execQueryWithParameter(db, "DELETE FROM LINK WHERE xid_conference = :xid_conference", params); |
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372 | execQueryWithParameter(db, "DELETE FROM EVENT_ROOM WHERE xid_conference = :xid_conference", params); |
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373 | execQueryWithParameter(db, "DELETE FROM EVENT_PERSON WHERE xid_conference = :xid_conference", params); |
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374 | execQueryWithParameter(db, "DELETE FROM EVENT WHERE xid_conference = :xid_conference", params); |
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375 | execQueryWithParameter(db, "DELETE FROM ROOM WHERE xid_conference = :xid_conference", params); |
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376 | execQueryWithParameter(db, "DELETE FROM PERSON WHERE xid_conference = :xid_conference", params); |
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377 | execQueryWithParameter(db, "DELETE FROM TRACK WHERE xid_conference = :xid_conference", params); |
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378 | execQueryWithParameter(db, "DELETE FROM CONFERENCE WHERE id = :xid_conference", params); |
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379 | |
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380 | commitTransaction(); |
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381 | } |
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382 | |
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383 | bool SqlEngine::execQuery(QSqlDatabase &aDatabase, const QString &aQuery) |
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384 | { |
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385 | QSqlQuery sqlQuery(aDatabase); |
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386 | if( !sqlQuery.exec(aQuery) ){ |
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387 | qDebug() << "SQL ERR: " << sqlQuery.lastError().number() << ", " << sqlQuery.lastError().text(); |
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388 | return false; |
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389 | } |
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390 | return true; |
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391 | } |
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392 | |
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393 | bool SqlEngine::execQueryWithParameter(QSqlDatabase &aDatabase, const QString &aQuery, const QHash<QString, QVariant>& params) |
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394 | { |
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395 | QSqlQuery sqlQuery(aDatabase); |
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396 | sqlQuery.prepare(aQuery); |
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397 | foreach (QString param_key, params.keys()) { |
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398 | sqlQuery.bindValue(param_key, params[param_key]); |
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399 | } |
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400 | if( !sqlQuery.exec() ){ |
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401 | qDebug() << "SQL ERR: " << sqlQuery.lastError().number() << ", " << sqlQuery.lastError().text(); |
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402 | return false; |
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403 | } |
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404 | return true; |
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405 | } |
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