cloud::audiocom::UserService Class Reference

Service for providing information about the user profile. More...

#include <UserService.h>

Inheritance diagram for cloud::audiocom::UserService:

Collaboration diagram for cloud::audiocom::UserService:

Public Member Functions
void	UpdateUserData ()
	Request the service to update the data. More...
void	ClearUserData ()
	Reset the user profile data. More...
wxString	GetUserSlug () const
	"Slug" used to construct shareable URLs More...
wxString	GetDisplayName () const
	Get the user name to display in the dialog. More...
wxString	GetAvatarPath () const
	Gets a path to the avatar. More...
Public Member Functions inherited from Observer::Publisher< UserDataChanged >
	Publisher (ExceptionPolicy *pPolicy=nullptr, Alloc a={})
	Constructor supporting type-erased custom allocation/deletion. More...
	Publisher (Publisher &&)=default
Publisher &	operator= (Publisher &&)=default
Subscription	Subscribe (Callback callback)
	Connect a callback to the Publisher; later-connected are called earlier. More...
Subscription	Subscribe (Object &obj, Return(Object::*callback)(Args...))
	Overload of Subscribe takes an object and pointer-to-member-function. More...

Private Member Functions
void	DownloadAvatar (std::string_view url)

Additional Inherited Members
Public Types inherited from Observer::Publisher< UserDataChanged >
using	message_type = UserDataChanged
using	CallbackReturn = std::conditional_t< true, void, bool >
using	Callback = std::function< CallbackReturn(const UserDataChanged &) >
	Type of functions that can be connected to the Publisher. More...
Static Public Attributes inherited from Observer::Publisher< UserDataChanged >
static constexpr bool	notifies_all
Protected Member Functions inherited from Observer::Publisher< UserDataChanged >
CallbackReturn	Publish (const UserDataChanged &message)
	Send a message to connected callbacks. More...

Detailed Description

Service for providing information about the user profile.

Definition at line 26 of file UserService.h.

Member Function Documentation

ClearUserData()

void cloud::audiocom::UserService::ClearUserData

(

)

Reset the user profile data.

Definition at line 120 of file UserService.cpp.

{
   BasicUI::CallAfter(
      [this]()
      {
         // No valid data was present, do not spam Publish()
         if (GetUserSlug().empty())
            return;
 
         userName.Write({});
         displayName.Write({});
         avatarEtag.Write({});
 
         gPrefs->Flush();
 
         Publish({});
      });
}

References cloud::audiocom::anonymous_namespace{UserService.cpp}::avatarEtag, BasicUI::CallAfter(), cloud::audiocom::anonymous_namespace{UserService.cpp}::displayName, audacity::BasicSettings::Flush(), GetUserSlug(), gPrefs, Observer::Publisher< UserDataChanged >::Publish(), cloud::audiocom::anonymous_namespace{UserService.cpp}::userName, and Setting< T >::Write().

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DownloadAvatar()

void cloud::audiocom::UserService::DownloadAvatar ( std::string_view  url )

private

Definition at line 145 of file UserService.cpp.

{
   const auto avatarPath = MakeAvatarPath();
   const auto avatarTempPath = avatarPath + ".tmp";
 
   if (url.empty())
   {
      if (wxFileExists(avatarPath))
         wxRemoveFile(avatarPath);
 
      return;
   }
   
   std::shared_ptr<wxFile> avatarFile = std::make_shared<wxFile>();
 
   if (!avatarFile->Create(avatarTempPath, true))
      return;
   
   using namespace audacity::network_manager;
 
   auto request = Request(std::string(url));
 
   const auto etag = audacity::ToUTF8(avatarEtag.Read());
 
   // If ETag is present - use it to prevent re-downloading the same file
   if (!etag.empty() && wxFileExists(avatarPath))
      request.setHeader(common_headers::IfNoneMatch, etag);
 
   auto response = NetworkManager::GetInstance().doGet(request);
   
   response->setOnDataReceivedCallback(
      [response, avatarFile](auto)
      {
         std::vector<char> buffer(response->getBytesAvailable());
 
         size_t bytes = response->readData(buffer.data(), buffer.size());
 
         avatarFile->Write(buffer.data(), buffer.size());
      });
 
   response->setRequestFinishedCallback(
      [response, avatarFile, avatarPath, avatarTempPath, this](auto)
      {
         avatarFile->Close();
 
         const auto httpCode = response->getHTTPCode();
 
         if (httpCode != 200)
         {
            // For any response except 200 just remove the temp file
            wxRemoveFile(avatarTempPath);
            return;
         }
 
         const auto etag = response->getHeader("ETag");
         const auto oldPath = avatarPath + ".old";
         
         if (wxFileExists(avatarPath))
            if (!wxRenameFile(avatarPath, oldPath))
               return;
 
         if (!wxRenameFile(avatarTempPath, avatarPath))
         {
            // Try at least to get it back...
            wxRenameFile(oldPath, avatarPath);
            return;
         }
 
         if (wxFileExists(oldPath))
            wxRemoveFile(oldPath);
         
         BasicUI::CallAfter(
            [this, etag]()
            {
               avatarEtag.Write(etag);
               gPrefs->Flush();
               
               Publish({});
            });
      });
}

References cloud::audiocom::anonymous_namespace{UserService.cpp}::avatarEtag, BasicUI::CallAfter(), audacity::BasicSettings::Flush(), anonymous_namespace{FrameStatistics.cpp}::GetInstance(), gPrefs, audacity::network_manager::common_headers::IfNoneMatch, cloud::audiocom::anonymous_namespace{UserService.cpp}::MakeAvatarPath(), Observer::Publisher< UserDataChanged >::Publish(), Setting< T >::Read(), audacity::ToUTF8(), and Setting< T >::Write().

Referenced by UpdateUserData().

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GetAvatarPath()

wxString cloud::audiocom::UserService::GetAvatarPath

(

)

const

Gets a path to the avatar.

Definition at line 237 of file UserService.cpp.

{
   auto path = MakeAvatarPath();
 
   if (!wxFileExists(path))
      return {};
 
   return path;
}

References cloud::audiocom::anonymous_namespace{UserService.cpp}::MakeAvatarPath().

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GetDisplayName()

wxString cloud::audiocom::UserService::GetDisplayName

(

)

const

Get the user name to display in the dialog.

Definition at line 227 of file UserService.cpp.

{
   return displayName.Read();
}

References cloud::audiocom::anonymous_namespace{UserService.cpp}::displayName, and Setting< T >::Read().

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GetUserSlug()

wxString cloud::audiocom::UserService::GetUserSlug

(

)

const

"Slug" used to construct shareable URLs

Definition at line 232 of file UserService.cpp.

{
   return userName.Read();
}

References Setting< T >::Read(), and cloud::audiocom::anonymous_namespace{UserService.cpp}::userName.

Referenced by ClearUserData().

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UpdateUserData()

void cloud::audiocom::UserService::UpdateUserData

(

)

Request the service to update the data.

Definition at line 61 of file UserService.cpp.

{
   auto& oauthService = GetOAuthService();
 
   if (!oauthService.HasAccessToken())
      return;
 
   using namespace audacity::network_manager;
 
   Request request(GetServiceConfig().GetAPIUrl("/me"));
 
   request.setHeader(
      common_headers::Authorization,
      std::string(oauthService.GetAccessToken()));
 
   request.setHeader(
      common_headers::Accept, common_content_types::ApplicationJson);
 
   auto response = NetworkManager::GetInstance().doGet(request);
 
   response->setRequestFinishedCallback(
      [response, this](auto)
      {
         const auto httpCode = response->getHTTPCode();
         
         if (httpCode != 200)
            return;
 
         const auto body = response->readAll<std::string>();
 
         using namespace rapidjson;
 
         Document document;
         document.Parse(body.data(), body.size());
 
         if (!document.IsObject())
            return;
 
         const auto username = document["username"].GetString();
         const auto avatar = document["avatar"].GetString();
         const auto profileName = document["profile"]["name"].GetString();
 
         BasicUI::CallAfter(
            [this, username = std::string(username),
             profileName = std::string(profileName),
             avatar = std::string(avatar)]()
            {
               userName.Write(audacity::ToWXString(username));
               displayName.Write(audacity::ToWXString(profileName));
               
               gPrefs->Flush();
 
               DownloadAvatar(avatar);
 
               Publish({});
            });
      });
}

References audacity::network_manager::common_headers::Accept, audacity::network_manager::common_content_types::ApplicationJson, audacity::network_manager::common_headers::Authorization, BasicUI::CallAfter(), cloud::audiocom::anonymous_namespace{UserService.cpp}::displayName, DownloadAvatar(), audacity::BasicSettings::Flush(), anonymous_namespace{FrameStatistics.cpp}::GetInstance(), cloud::audiocom::GetOAuthService(), cloud::audiocom::GetServiceConfig(), gPrefs, Observer::Publisher< UserDataChanged >::Publish(), audacity::network_manager::Request::setHeader(), audacity::ToWXString(), cloud::audiocom::anonymous_namespace{UserService.cpp}::userName, and Setting< T >::Write().

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The documentation for this class was generated from the following files:

• UserService.h
• UserService.cpp