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