addressbookmodel.cpp Example File

cloudaddressbook/addressbookmodel.cpp

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  #include <QtCore/qhash.h>
  #include <QtCore/qbytearray.h>
  #include <QtCore/qjsondocument.h>
  #include <QtCore/qjsonvalue.h>
  #include <QtCore/qjsonobject.h>
  #include <QtCore/qjsonarray.h>

  #include <QtGui/qfont.h>

  #include "addressbookmodel.h"

  AddressBookModel::AddressBookModel(QObject *parent)
      : EnginioModel(parent)
      , _searchReply()
  {}

  AddressBookModel::~AddressBookModel()
  {}

  QVariant AddressBookModel::data(const QModelIndex &index, int role) const
  {
      if (role == Qt::DisplayRole) {
          // we assume here that column order is constant and it is the same as in AddressBookModel::Roles
          return EnginioModel::data(index, FirstNameRole + index.column()).value<QJsonValue>().toString();
      }
      if (role == Qt::FontRole) {
          // this role is used to mark items found in the full text search.
          QFont font;
          QString id = EnginioModel::data(index, Enginio::IdRole).value<QString>();
          font.setBold(_markedItems.contains(id));
          return font;
      }

      return EnginioModel::data(index, role);
  }

  bool AddressBookModel::setData(const QModelIndex &index, const QVariant &value, int role)
  {
      bool result = role == Qt::EditRole
              ? EnginioModel::setData(this->index(index.row()), value, FirstNameRole + index.column())
              : EnginioModel::setData(this->index(index.row()), value, role);

      // if the data was edited, the marked items set may not be valid anymore
      // so we need to clear it.
      if (result)
          _markedItems.clear();
      return result;
  }

  int AddressBookModel::columnCount(const QModelIndex &parent) const
  {
      return parent.isValid() ? 0 : 5;
  }

  QVariant AddressBookModel::headerData(int section, Qt::Orientation orientation, int role) const
  {
      if (orientation == Qt::Horizontal && role == Qt::DisplayRole) {
          switch (section) {
          case 0: return QStringLiteral("First name");
          case 1: return QStringLiteral("Last name");
          case 2: return QStringLiteral("Email");
          case 3: return QStringLiteral("Phone number");
          case 4: return QStringLiteral("Address");
          }
          return QVariant();
      }
      return EnginioModel::headerData(section, orientation, role);
  }

  QHash<int, QByteArray> AddressBookModel::roleNames() const
  {
      QHash<int, QByteArray> roles = EnginioModel::roleNames();
      roles.insert(FirstNameRole, "firstName");
      roles.insert(LastNameRole, "lastName");
      roles.insert(EmailRole, "email");
      roles.insert(PhoneRole, "phone");
      roles.insert(AddressRole, "address");
      return roles;
  }

  void AddressBookModel::newSearch(const QString &search)
  {
      if (search.isEmpty())
          return;

      // construct JSON object:
      //    {
      //        "objectTypes": ["objects.addressbook"],
      //        "search": { "phrase": "*PHRASE*",
      //            "properties": ["firstName", "lastName", "email", "phone", "address"]
      //        }
      //    }

      QJsonObject query;
      {
          QJsonArray objectTypes;
          objectTypes.append(QString::fromUtf8("objects.addressbook"));

          QJsonArray properties;
          properties.append(QString::fromUtf8("firstName"));
          properties.append(QString::fromUtf8("lastName"));
          properties.append(QString::fromUtf8("email"));
          properties.append(QString::fromUtf8("phone"));
          properties.append(QString::fromUtf8("address"));

          QJsonObject searchQuery;
          searchQuery.insert("phrase", "*" + search + "*");
          searchQuery.insert("properties", properties);

          query.insert("objectTypes", objectTypes);
          query.insert("search", searchQuery);
      }

      if (_searchReply) {
          // a new search is created before the old one was finished
          // we will not be interested in the results of the old search.
          _searchReply->disconnect(this);
      }

      _searchReply =  client()->fullTextSearch(query);
      QObject::connect(_searchReply, &EnginioReply::finished, this, &AddressBookModel::searchResultsArrived);
      QObject::connect(_searchReply, &EnginioReply::finished, _searchReply, &EnginioReply::deleteLater);
  }

  void AddressBookModel::searchResultsArrived()
  {
      // clear old marks.
      _markedItems.clear();

      // update marked ids.
      QJsonArray results = _searchReply->data()["results"].toArray();
      foreach (const QJsonValue &value, results) {
          QJsonObject person = value.toObject();
          _markedItems.insert(person["id"].toString());
      }

      QVector<int> roles;
      roles.append(Qt::FontRole);
      // We do not keep id -> row mapping, therefore it is easier to emit
      // data change signal for all items, even if it is not optimal from
      // the performance point of view.
      emit dataChanged(index(0), index(rowCount() - 1, columnCount() - 1) , roles);

      _searchReply = 0;
      emit searchFinished();
  }