songsqlmodel working

src/songsqlmodel.cpp

@@ -0,0 +1,139 @@
+#include "songsqlmodel.h"
+
+#include <QDateTime>
+#include <QDebug>
+#include <QSqlError>
+#include <QSqlRecord>
+#include <QSqlQuery>
+#include <QSql>
+#include <QSqlDatabase>
+
+static const char *songsTableName = "songs";
+
+static void createTable()
+{
+  if(QSqlDatabase::database().tables().contains(songsTableName)) {
+    return;
+  }
+
+  QSqlQuery query;
+  if (!query.exec(
+                  "CREATE TABLE IF NOT EXISTS 'songs' ("
+                  "  'title' TEXT NOT NULL,"
+                  "  'lyrics' TEXT,"
+                  "  'author' TEXT,"
+                  "  'ccli' TEXT,"
+                  "  'audio' TEXT,"
+                  "  PRIMARY KEY(title))"
+                  )) {
+    qFatal("Failed to query database: %s", qPrintable(query.lastError().text()));
+  }
+
+  query.exec("INSERT INTO songs VALUES ('10,000 Reasons', '10,000 reasons for my heart to sing', 'Matt Redman', '13470183', '')");
+  query.exec("INSERT INTO songs VALUES ('River', 'Im going down to the river', 'Jordan Feliz', '13470183', '')");
+  query.exec("INSERT INTO songs VALUES ('Marvelous Light', 'Into marvelous light Im running', 'Chris Tomlin', '13470183', '')");
+
+  query.exec("select * from songs");
+  qDebug() << query.lastQuery();
+}
+
+SongSqlModel::SongSqlModel(QObject *parent)
+    : QSqlTableModel(parent)
+{
+  createTable();
+  setTable(songsTableName);
+  setEditStrategy(QSqlTableModel::OnFieldChange);
+  select();
+}
+
+QVariant SongSqlModel::data(const QModelIndex &index, int role) const {
+  if (role < Qt::UserRole) {
+    qDebug() << role;
+    return QSqlTableModel::data(index, role);
+  }
+
+  qDebug() << role;
+  const QSqlRecord sqlRecord = record(index.row());
+  return sqlRecord.value(role - Qt::UserRole);
+}
+
+QHash<int, QByteArray> SongSqlModel::roleNames() const
+{
+    QHash<int, QByteArray> names;
+    names[Qt::UserRole] = "title";
+    names[Qt::UserRole + 1] = "lyrics";
+    names[Qt::UserRole + 2] = "author";
+    names[Qt::UserRole + 3] = "ccli";
+    names[Qt::UserRole + 4] = "audio";
+    return names;
+}
+
+QString SongSqlModel::title() const {
+  return m_title;
+}
+
+void SongSqlModel::setTitle(const QString &title) {
+  if (title == m_title)
+    return;
+  
+  m_title = title;
+
+  select();
+  emit titleChanged();
+}
+
+QString SongSqlModel::author() const {
+  return m_author;
+}
+
+void SongSqlModel::setAuthor(const QString &author) {
+  if (author == m_author)
+    return;
+  
+  m_author = author;
+
+  select();
+  emit authorChanged();
+}
+
+QString SongSqlModel::lyrics() const {
+  return m_lyrics;
+}
+
+void SongSqlModel::setLyrics(const QString &lyrics) {
+  if (lyrics == m_lyrics)
+    return;
+  
+  m_lyrics = lyrics;
+
+  select();
+  emit lyricsChanged();
+}
+
+QString SongSqlModel::ccli() const {
+  return m_ccli;
+}
+
+void SongSqlModel::setCcli(const QString &ccli) {
+  if (ccli == m_ccli)
+    return;
+  
+  m_ccli = ccli;
+
+  select();
+  emit ccliChanged();
+}
+
+QString SongSqlModel::audio() const {
+  return m_audio;
+}
+
+void SongSqlModel::setAudio(const QString &audio) {
+  if (audio == m_audio)
+    return;
+  
+  m_audio = audio;
+
+  select();
+  emit audioChanged();
+}