contact : add capability to delete contact and conversation file

Change-Id: Ia2781ffcbbf1929b5535cb7fd16e2f36eff5eb33
Tuleap: #1285

Contact.cpp

@@ -136,6 +136,19 @@ Contact::DestringifyConversation(String^ data)
     }
 }
 
+void RingClientUWP::Contact::deleteConversationFile()
+{
+    StorageFolder^ localfolder = ApplicationData::Current->LocalFolder;
+    String^ messagesFile = ".messages\\" + GUID_ + ".json";
+
+    // refacto : Utils::fileExists fails here if the file doesn't exist, code below should replace fileExist everywhere
+    create_task(localfolder->TryGetItemAsync(messagesFile)).then([](IStorageItem^ storageFile) {
+        if (storageFile)
+            storageFile->DeleteAsync();
+    });
+
+}
+
 void
 Contact::saveConversationToFile()
 {

Contact.h

@@ -95,6 +95,7 @@ internal:
     void        saveConversationToFile();
     String^     StringifyConversation();
     void        DestringifyConversation(String^ data);
+    void        deleteConversationFile();
 
 protected:
     void NotifyPropertyChanged(String^ propertyName);

ContactsViewModel.cpp

@@ -173,6 +173,20 @@ ContactsViewModel::Destringify(String^ data)
     }
 }
 
+void RingClientUWP::ViewModel::ContactsViewModel::deleteContact(Contact ^ contact)
+{
+    unsigned int index;
+    auto itemsList = SmartPanelItemsViewModel::instance->itemsList;
+    auto item = SmartPanelItemsViewModel::instance->_selectedItem;
+
+    if (contactsList_->IndexOf(contact, &index)) {
+        contact->deleteConversationFile();
+        contactsList_->RemoveAt(index);
+    }
+
+    saveContactsToFile();
+}
+
 
 void RingClientUWP::ViewModel::ContactsViewModel::OnincomingMessage(Platform::String ^callId, Platform::String ^payload)
 {

ContactsViewModel.h

@@ -27,6 +27,7 @@ namespace RingClientUWP
 
 /* delegates */
 delegate void ContactAdded(Contact^);
+delegate void ContactDeleted(Contact^);
 
 namespace ViewModel {
 public ref class ContactsViewModel sealed
@@ -49,6 +50,7 @@ internal:
     void        openContactsFromFile();
     String^     Stringify();
     void        Destringify(String^ data);
+    void        deleteContact(Contact^ contact);
 
     /* properties */
     property Vector<Contact^>^ contactsList
@@ -61,6 +63,7 @@ internal:
 
     /* events */
     event ContactAdded^ contactAdded;
+    event ContactDeleted^ contactDeleted;
 
 private:
     ContactsViewModel(); // singleton

MainPage.xaml.cpp

@@ -70,6 +70,9 @@ MainPage::MainPage()
     smartPanel->summonVideoPage += ref new RingClientUWP::SummonVideoPage(this, &RingClientUWP::MainPage::OnsummonVideoPage);
     auto videoPage = dynamic_cast<VideoPage^>(_videoFrame_->Content);
     videoPage->pressHangUpCall += ref new RingClientUWP::PressHangUpCall(this, &RingClientUWP::MainPage::OnpressHangUpCall);
+    auto messageTextFrame = dynamic_cast<MessageTextPage^>(_messageTextFrame_->Content);
+    messageTextFrame->closeMessageTextPage += ref new RingClientUWP::CloseMessageTextPage(this, &RingClientUWP::MainPage::OncloseMessageTextPage);
+
 
     DisplayInformation^ displayInformation = DisplayInformation::GetForCurrentView();
     dpiChangedtoken = (displayInformation->DpiChanged += ref new TypedEventHandler<DisplayInformation^,
@@ -398,3 +401,10 @@ MainPage::BeginExtendedExecution()
         }
     });
 }
+
+
+void RingClientUWP::MainPage::OncloseMessageTextPage()
+{
+    auto smartPanel = dynamic_cast<SmartPanel^>(_smartPanel_->Content);
+    smartPanel->unselectContact();
+}

MainPage.xaml.h

@@ -74,5 +74,6 @@ private:
     void OnsummonVideoPage();
     void OnpressHangUpCall();
     void OnstateChange(Platform::String ^callId, CallStatus state, int code);
+    void OncloseMessageTextPage();
 };
 }

MessageTextPage.xaml

@@ -134,6 +134,7 @@
                                VerticalAlignment="Center"
                                FontSize="20"
                                Margin="20,0" />
+                <StackPanel Orientation="Horizontal">
                 <ComboBox x:Name="_associableAccountsList_">
                     <ComboBox.ItemTemplate>
                         <DataTemplate x:DataType="local:Account">
@@ -143,6 +144,10 @@
                         </DataTemplate>
                     </ComboBox.ItemTemplate>
                 </ComboBox>
+                <Button x:Name="_deleteContact_"
+                        Content="delete"
+                        Click="_deleteContact__Click"/>
+                </StackPanel>
             </StackPanel>
 
         </StackPanel>

MessageTextPage.xaml.cpp

@@ -179,3 +179,14 @@ void RingClientUWP::Views::MessageTextPage::OnSelectionChanged(Platform::Object
     auto account = dynamic_cast<Account^>(_associableAccountsList_->SelectedItem);
     SmartPanelItemsViewModel::instance->_selectedItem->_contact->_accountIdAssociated = account->accountID_;
 }
+
+void RingClientUWP::Views::MessageTextPage::_deleteContact__Click(Platform::Object^ sender, Windows::UI::Xaml::RoutedEventArgs^ e)
+{
+    auto item = SmartPanelItemsViewModel::instance->_selectedItem;
+    auto contact = item->_contact;
+
+    closeMessageTextPage();
+
+    ContactsViewModel::instance->deleteContact(contact);
+    SmartPanelItemsViewModel::instance->removeItem(item);
+}

MessageTextPage.xaml.h

@@ -21,6 +21,8 @@
 
 namespace RingClientUWP
 {
+delegate void CloseMessageTextPage();
+
 namespace Views
 {
 
@@ -45,6 +47,9 @@ public:
     void updatePageContent();
     void scrollDown();
 
+internal:
+    event CloseMessageTextPage^ closeMessageTextPage;
+
 private:
     void _sendBtn__Click(Platform::Object^ sender, Windows::UI::Xaml::RoutedEventArgs^ e);
     void _messageTextBox__KeyDown(Platform::Object^ sender, Windows::UI::Xaml::Input::KeyRoutedEventArgs^ e);
@@ -52,6 +57,7 @@ private:
     void OnincomingMessage(Platform::String ^callId, Platform::String ^payload);
     void OnSelectionChanged(Platform::Object ^sender, Windows::UI::Xaml::Controls::SelectionChangedEventArgs ^e);
 
+    void _deleteContact__Click(Platform::Object^ sender, Windows::UI::Xaml::RoutedEventArgs^ e);
 };
 }
 }

SmartPanel.xaml.cpp

@@ -173,6 +173,11 @@ RingClientUWP::Views::SmartPanel::updatePageContent()
     _upnpState_->IsOn = accountListItem->_account->_upnpState;
 }
 
+void RingClientUWP::Views::SmartPanel::unselectContact()
+{
+    _smartList_->SelectedItem = nullptr;
+}
+
 void RingClientUWP::Views::SmartPanel::_accountsMenuButton__Checked(Object^ sender, RoutedEventArgs^ e)
 {
     _shareMenuButton_->IsChecked = false;

SmartPanel.xaml.h

@@ -83,6 +83,7 @@ public ref class SmartPanel sealed
 public:
     SmartPanel();
     void updatePageContent();
+    void unselectContact();
 
 internal:
     enum class Mode { Minimized, Normal };

SmartPanelItemsViewModel.cpp

@@ -76,3 +76,11 @@ SmartPanelItemsViewModel::getIndex(Contact^ contact)
     }
     return i;
 }
+
+void RingClientUWP::ViewModel::SmartPanelItemsViewModel::removeItem(SmartPanelItem ^ item)
+{
+    unsigned int index;
+
+    if (itemsList->IndexOf(item, &index))
+        itemsList->RemoveAt(index);
+}

SmartPanelItemsViewModel.h

@@ -46,6 +46,7 @@ internal:
     SmartPanelItem^ findItem(Contact^ contact);
     unsigned int getIndex(String^ callId);
     unsigned int getIndex(Contact^ contact);
+    void removeItem(SmartPanelItem^ item);
 
     property Vector<SmartPanelItem^>^ itemsList
     {