source: src/sql/sqlengine.cpp @ 151983f

qt5
Last change on this file since 151983f was 151983f, checked in by hanzes <hanzes@…>, 12 years ago

fixed sqlite statement

  • Property mode set to 100644
File size: 11.0 KB
Line 
1
2#include <QSqlError>
3#include <QSqlQuery>
4#include <QSqlRecord>
5#include <QVariant>
6#include <QDateTime>
7
8#include <QDir>
9#include "sqlengine.h"
10
11#include <QDebug>
12
13const QString DATE_FORMAT ("yyyy-MM-dd");
14const QString TIME_FORMAT ("hh:mm");
15
16SqlEngine::SqlEngine(QObject *aParent)
17    : QObject(aParent)
18{
19}
20
21SqlEngine::~SqlEngine()
22{
23}
24
25QString SqlEngine::login(const QString &aDatabaseType, const QString &aDatabaseName)
26{
27    QSqlDatabase database = QSqlDatabase::addDatabase(aDatabaseType);
28    database.setDatabaseName(aDatabaseName);
29
30    bool result = false;
31    if(!QFile::exists(aDatabaseName)) // the DB (tables) doesn't exists, and so we have to create one
32    {
33        // creating empty DB + tables
34        // ??? what is the best way of creating new empty DB ???
35        // we can either:
36        //  - create new DB + tables by issuing corresponding queries (used solution)
37        //  - create new DB from resource, which contains empty DB with tables
38        result = createTables(database);
39    }
40
41    database.open();
42
43    //LOG_INFO(QString("Opening '%1' database '%2'").arg(aDatabaseType).arg(aDatabaseName));
44
45    return result ? QString() : database.lastError().text();
46}
47
48void SqlEngine::initialize()
49{
50    QString databaseName;
51    if(!QDir::home().exists(".fosdem"))
52        QDir::home().mkdir(".fosdem");
53    databaseName = QDir::homePath() + "/.fosdem/" + "fosdem.sqlite";
54qDebug()<<databaseName;
55    login("QSQLITE",databaseName);
56}
57
58void SqlEngine::addConferenceToDB(QHash<QString,QString> &aConference)
59{
60    QSqlDatabase db = QSqlDatabase::database();
61
62    if (db.isValid() && db.isOpen())
63    {
64        QString values = QString("'%1', '%2', '%3', '%4', '%5', '%6', '%7', '%8', '%9', '%10'") \
65                         .arg(aConference["id"]) \
66                         .arg(aConference["title"]) \
67                         .arg(aConference["subtitle"]) \
68                         .arg(aConference["venue"]) \
69                         .arg(aConference["city"]) \
70                         .arg(QDateTime(QDate::fromString(aConference["start"],DATE_FORMAT),QTime(0,0),Qt::UTC).toTime_t()) \
71                         .arg(QDateTime(QDate::fromString(aConference["end"],DATE_FORMAT),QTime(0,0),Qt::UTC).toTime_t()) \
72                         .arg(aConference["days"]) \
73                         .arg(-QTime::fromString(aConference["day_change"],TIME_FORMAT).secsTo(QTime(0,0))) \
74                         .arg(-QTime::fromString(aConference["timeslot_duration"],TIME_FORMAT).secsTo(QTime(0,0)));
75
76        QString query = QString("INSERT INTO CONFERENCE (id,title,subtitle,venue,city,start,end,days,day_change,timeslot_duration) VALUES (%1)").arg(values);
77        QSqlQuery result (query, db);
78        //LOG_AUTOTEST(query);
79    }
80}
81
82void SqlEngine::addEventToDB(QHash<QString,QString> &aEvent)
83{
84    //LOG_DEBUG(QString("Adding event '%1' to DB").arg(*aEvent));
85
86    QSqlDatabase db = QSqlDatabase::database();
87
88    if (db.isValid() && db.isOpen())
89    {
90        // The items of the Event are divided into the two tables EVENT and VIRTUAL_EVENT
91        // VIRTUAL_EVENT is for Full-Text-Serach Support
92        QDateTime startDateTime = QDateTime(QDate::fromString(aEvent["date"],DATE_FORMAT),QTime::fromString(aEvent["start"],TIME_FORMAT));
93        QString values = QString("'%1', '%2', '%3', '%4', '%5', '%6', '%7', '%8'") \
94                         .arg(aEvent["conference_id"]) \
95                         .arg(aEvent["id"]) \
96                         .arg(QString::number(startDateTime.toTime_t())) \
97                         .arg(-QTime::fromString(aEvent["duration"],TIME_FORMAT).secsTo(QTime(0,0))) \
98                         .arg("123456") \
99                         .arg(aEvent["type"]) \
100                         .arg(aEvent["language"]) \
101                         .arg("0"); // not favourite when added
102
103        QString query = QString("INSERT INTO EVENT (xid_conference, id, start, duration, xid_activity, type, language, favourite) VALUES (%1)").arg(values);
104        QSqlQuery result (query, db);
105        //LOG_AUTOTEST(query);
106
107        // add some(text related) Event's items to VIRTUAL_EVENT table
108        QString values2 = QString("'%1', '%2', '%3', ? , ? , ? , ? ") \
109                          .arg(aEvent["conference_id"]) \
110                          .arg(aEvent["id"]) \
111                          .arg(aEvent["tag"]);
112
113        QString query2 = QString("INSERT INTO VIRTUAL_EVENT (xid_conference, id, tag, title, subtitle, abstract, description) VALUES (%1)").arg(values2);
114
115        QSqlQuery result2;
116        result2.prepare(query2);
117        result2.bindValue(0,aEvent["title"]);
118        result2.bindValue(1,aEvent["subtitle"]);
119        result2.bindValue(2,aEvent["abstract"]);
120        result2.bindValue(3,aEvent["description"]);
121        result2.exec();
122
123         //LOG_AUTOTEST(query2);
124        qDebug() << query2;
125    }
126}
127
128
129void SqlEngine::addPersonToDB(QHash<QString,QString> &aPerson)
130{
131    QSqlDatabase db = QSqlDatabase::database();
132
133    //TODO: check if the person doesn't exist before inserting
134    if (db.isValid() && db.isOpen())
135    {
136        QString values = QString("'%1', '%2'").arg(aPerson["id"],aPerson["name"]);
137        QString query = QString("INSERT INTO PERSON (id,name) VALUES (%1)").arg(values);
138        QSqlQuery result (query, db);
139        //LOG_AUTOTEST(query);
140
141        values = QString("'%1', '%2', '%3'").arg(aPerson["conference_id"],aPerson["event_id"],aPerson["id"]);
142        query = QString("INSERT INTO EVENT_PERSON (xid_conference,xid_event,xid_person) VALUES (%1)").arg(values);
143        QSqlQuery resultEventPerson (query, db);
144        //LOG_AUTOTEST(query);
145    }
146}
147
148void SqlEngine::addRoomToDB(QHash<QString,QString> &aRoom)
149{
150    QSqlDatabase db = QSqlDatabase::database();
151
152    if (db.isValid() && db.isOpen())
153    {
154        QString queryExist = QString("SELECT id FROM ROOM WHERE name='%1'").arg(aRoom["name"]);
155        QSqlQuery resultExist(queryExist,db);
156        // now we have to check whether ROOM record with 'name' exists or not,
157        // - if it doesn't exist yet, then we have to add that record to 'ROOM' table
158        //   and assign autoincremented 'id' to aRoom
159        // - if it exists, then we need to get its 'id' and assign it to aRoom
160        int roomId = -1;
161        if(resultExist.next()) // ROOM record with 'name' already exists: we need to get its 'id'
162        {
163            roomId = resultExist.value(0).toInt();
164        }
165        else // ROOM record doesn't exist yet, need to create it
166        {
167            QString values = QString("'%1', '%2'").arg(aRoom["name"],aRoom["picture"]);
168            QString query = QString("INSERT INTO ROOM (name,picture) VALUES (%1)").arg(values);
169            QSqlQuery result (query, db);
170            roomId = result.lastInsertId().toInt(); // 'id' is assigned automatically
171            //LOG_AUTOTEST(query);
172        }
173
174        QString values = QString("'%1', '%2', '%3'").arg(aRoom["conference_id"],aRoom["event_id"],QString::number(roomId));
175        QString query = QString("INSERT INTO EVENT_ROOM (xid_conference,xid_event,xid_room) VALUES (%1)").arg(values);
176        QSqlQuery result (query, db);
177        //LOG_AUTOTEST(query);
178    }
179}
180
181void SqlEngine::addLinkToDB(QHash<QString,QString> &aLink)
182{
183    QSqlDatabase db = QSqlDatabase::database();
184
185    //TODO: check if the link doesn't exist before inserting
186    if (db.isValid() && db.isOpen())
187    {
188        QString values = QString("'%1', '%2', '%3', '%4'").arg(aLink["event_id"],aLink["conference_id"],aLink["name"],aLink["url"]);
189        QString query = QString("INSERT INTO LINK (xid_event, xid_conference, name, url) VALUES (%1)").arg(values);
190        QSqlQuery result(query, db);
191        //LOG_AUTOTEST(query);
192    }
193}
194
195bool SqlEngine::createTables(QSqlDatabase &aDatabase)
196{
197    bool result = aDatabase.open();
198
199    if (aDatabase.isValid() && aDatabase.isOpen())
200    {
201        QSqlQuery query(aDatabase);
202
203        query.exec("CREATE TABLE CONFERENCE ( \
204            id INTEGER PRIMARY KEY  AUTOINCREMENT  NOT NULL , \
205            title VARCHAR NOT NULL , \
206            subtitle VARCHAR, \
207            venue VARCHAR, \
208            city VARCHAR NOT NULL , \
209            start INTEGER NOT NULL , \
210            end INTEGER NOT NULL , \
211            days INTEGER, \
212            day_change INTEGER, \
213            timeslot_duration INTEGER)");
214
215        query.exec("CREATE TABLE ACTIVITY ( \
216            id INTEGER  PRIMARY KEY AUTOINCREMENT  NOT NULL , \
217            name VARCHAR NOT NULL )");
218
219        query.exec("CREATE TABLE ROOM ( \
220            id INTEGER PRIMARY KEY  AUTOINCREMENT  NOT NULL , \
221            name VARCHAR NOT NULL , \
222            picture VARCHAR NOT NULL)");
223
224        query.exec("CREATE TABLE PERSON ( \
225            id INTEGER PRIMARY KEY  NOT NULL , \
226            name VARCHAR NOT NULL)");
227
228        query.exec("CREATE TABLE EVENT ( \
229            xid_conference INTEGER  NOT NULL, \
230            id INTEGER NOT NULL , \
231            start INTEGER NOT NULL , \
232            duration INTEGER NOT NULL , \
233            xid_activity INTEGER NOT NULL REFERENCES ACTIVITY(id), \
234            type VARCHAR, \
235            language VARCHAR, \
236            favourite INTEGER DEFAULT 0, \
237            PRIMARY KEY (xid_conference,id), \
238            FOREIGN KEY(xid_conference) REFERENCES CONFERENCE(id) \
239            FOREIGN KEY(xid_activity) REFERENCES ACTIVITY(id))");
240
241        // TBD Virtual tables compatibility (waiting for Marek). Temporary non virtual VIRTUAL_TABLE below: To be deleted
242/*        query.exec("CREATE VIRTUAL TABLE VIRTUAL_EVENT using fts3 ( \
243            xid_conference INTEGER  NOT NULL, \
244            id INTEGER NOT NULL , \
245            tag VARCHAR,title VARCHAR NOT NULL , \
246            subtitle VARCHAR, \
247            abstract VARCHAR, \
248            description VARCHAR, \
249            PRIMARY KEY (xid_conference,id))");
250*/
251        query.exec("CREATE TABLE VIRTUAL_EVENT ( \
252            xid_conference INTEGER  NOT NULL, \
253            id INTEGER NOT NULL , \
254            tag VARCHAR,title VARCHAR NOT NULL , \
255            subtitle VARCHAR, \
256            abstract VARCHAR, \
257            description VARCHAR, \
258            PRIMARY KEY (xid_conference,id))");
259
260        query.exec("CREATE TABLE EVENT_PERSON ( \
261            xid_conference INTEGER NOT NULL , \
262            xid_event INTEGER NOT NULL , \
263            xid_person INTEGER NOT NULL, \
264            FOREIGN KEY(xid_conference, xid_event) REFERENCES EVENT(xid_conference, id), \
265            FOREIGN KEY(xid_person) REFERENCES PERSON(id))");
266
267        query.exec("CREATE TABLE EVENT_ROOM ( \
268            xid_conference INTEGER NOT NULL , \
269            xid_event INTEGER NOT NULL , \
270            xid_room INTEGER NOT NULL, \
271            FOREIGN KEY(xid_conference, xid_event) REFERENCES EVENT(xid_conference, id), \
272            FOREIGN KEY(xid_room) REFERENCES ROOM(id))");
273
274        query.exec("CREATE TABLE LINK ( \
275            id INTEGER PRIMARY KEY  AUTOINCREMENT  NOT NULL, \
276            xid_conference INTEGER NOT NULL, \
277            xid_event INTEGER NOT NULL, \
278            name VARCHAR, \
279            url VARCHAR NOT NULL, \
280            FOREIGN KEY(xid_conference, xid_event) REFERENCES EVENT(xid_conference, id))");
281    }
282    else
283    {
284        //LOG_WARNING("Database is not opened");
285    }
286
287    return result;
288}
289
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