LeechCraft  0.6.70-10870-g558588d6ec
Modular cross-platform feature rich live environment.
handlenetworkreply.h
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29 
30 #pragma once
31 
32 #include <QNetworkReply>
33 #include <util/sll/slotclosure.h>
34 #include <util/sll/either.h>
35 #include <util/sll/overload.h>
36 #include <util/sll/void.h>
37 #include <util/threads/futures.h>
38 
39 namespace LeechCraft
40 {
41 namespace Util
42 {
43  template<typename F>
44  void HandleNetworkReply (QObject *context, QNetworkReply *reply, F f)
45  {
47  {
48  [reply, f]
49  {
50  reply->deleteLater ();
51  f (reply->readAll ());
52  },
53  reply,
54  SIGNAL (finished ()),
55  context
56  };
57  }
58 
59  template<typename Err = Util::Void>
60  auto HandleReply (QNetworkReply *reply, QObject *context)
61  {
62  using Result_t = Util::Either<Err, QByteArray>;
64  promise.reportStarted ();
65 
66  QObject::connect (reply,
67  &QNetworkReply::finished,
68  context,
69  [promise, reply] () mutable
70  {
71  reply->deleteLater ();
72  Util::ReportFutureResult (promise, Result_t::Right (reply->readAll ()));
73  });
74  QObject::connect (reply,
75  Util::Overload<QNetworkReply::NetworkError> (&QNetworkReply::error),
76  context,
77  [promise, reply] () mutable
78  {
79  reply->deleteLater ();
80  auto report = [&] (const Err& val) { Util::ReportFutureResult (promise, Result_t::Left (val)); };
81 
82  if constexpr (std::is_same_v<Err, QString>)
83  report (reply->errorString ());
84  else if constexpr (std::is_same_v<Err, Util::Void>)
85  report ({});
86  else
87  static_assert (std::is_same_v<Err, struct Dummy>, "Unsupported error type");
88  });
89 
90  return promise.future ();
91  }
92 }
93 }
constexpr detail::ExprTree< detail::ExprType::LeafStaticPlaceholder, detail::MemberPtrs< Ptr > > f
Definition: oral.h:931
void HandleNetworkReply(QObject *context, QNetworkReply *reply, F f)
auto HandleReply(QNetworkReply *reply, QObject *context)
Executes a given functor upon a signal (or a list of signals).
Definition: slotclosure.h:100