Person : add getLastIdUsed()

- return the best Id for the last ContactMethod used with Person.

Change-Id: I015f276074b6d39ddee7d727c3dd09cb7f6e6696
Reviewed-by: Olivier Soldano <olivier.soldano@savoirfairelinux.com>

src/person.cpp

@@ -193,6 +193,19 @@ void PersonPrivate::registerContactMethod(ContactMethod* m)
       slotLastUsedTimeChanged(m->lastUsed());
 }
 
+/**
+ * @return the best Id for the last ContactMethod used with that person.
+ */
+QString
+PersonPrivate::getLastIdUsed()
+{
+    auto lastPhoneNumberUsed = std::max_element(m_Numbers.begin(), m_Numbers.end(), [](ContactMethod* a, ContactMethod* b){
+        return (a->lastUsed() < b->lastUsed());
+    });
+
+    return (*lastPhoneNumberUsed) ? (*lastPhoneNumberUsed)->getBestId() : QString();
+}
+
 PersonPrivate::PersonPrivate(Person* contact) : QObject(nullptr),
    m_Numbers(),m_DisplayPhoto(false),m_Active(true),m_isPlaceHolder(false),
    m_LastUsed(0),m_LastUsedInit(false), q_ptr(contact)
@@ -615,6 +628,8 @@ QVariant Person::roleData(int role) const
          return filterString();
       case static_cast<int>(Ring::Role::IsPresent):
          return isPresent();
+      case static_cast<int>(Person::Role::IdOfLastCMUsed):
+         return d_ptr->getLastIdUsed();
       case static_cast<int>(Ring::Role::UnreadTextMessageCount):
          {
             int unread = 0;

src/person.h

@@ -55,6 +55,7 @@ public:
       FormattedLastUsed ,
       IndexedLastUsed   ,
       DatedLastUsed     ,
+      IdOfLastCMUsed    ,
       Object            ,
       Filter            , //All roles, all at once
       DropState         = static_cast<int>(Ring::Role::DropState), //State for drag and drop

src/private/person_p.h

@@ -81,6 +81,7 @@ public:
 
    //Helper
    void registerContactMethod(ContactMethod* m);
+   QString getLastIdUsed();
 
 public Q_SLOTS:
    void slotLastUsedTimeChanged(::time_t t);