refactor: remove nlohmann json library from project

7 files changed, 59 insertions, 98 deletions

diff --git a/.gitmodules b/.gitmodules
index 951cfffe..e05878f7 100644
--- a/.gitmodules
+++ b/.gitmodules
@@ -1,6 +1,3 @@
-[submodule "third_party/json"]
-	path = third_party/json
-	url = https://github.com/nlohmann/json.git
 [submodule "third_party/qt-aes"]
 	path = third_party/qt-aes
 	url = https://github.com/bricke/Qt-AES.git
diff --git a/src/core/CMakeLists.txt b/src/core/CMakeLists.txt
index 28216653..4e3a5d49 100644
--- a/src/core/CMakeLists.txt
+++ b/src/core/CMakeLists.txt
@@ -92,10 +92,6 @@ endif()
 find_package(LibArchive REQUIRED)
 target_include_directories(gpgfrontend_core PRIVATE ${LibArchive_INCLUDE_DIR})
 target_link_libraries(gpgfrontend_core PRIVATE archive)
-
-# link json
-target_link_libraries(gpgfrontend_core
-        PUBLIC nlohmann_json::nlohmann_json)
         
 # link Qt core
 if(Qt6_DIR)
diff --git a/src/module/integrated/gnupg_info_gathering_module/GpgInfo.h b/src/module/integrated/gnupg_info_gathering_module/GpgInfo.h
index 72513bc8..fb12b811 100644
--- a/src/module/integrated/gnupg_info_gathering_module/GpgInfo.h
+++ b/src/module/integrated/gnupg_info_gathering_module/GpgInfo.h
@@ -28,8 +28,6 @@
 
 #pragma once
 
-#include <nlohmann/json.hpp>
-
 namespace GpgFrontend::Module::Integrated::GnuPGInfoGatheringModule {
 /**
  * @brief  Use to record some info about gnupg
diff --git a/src/module/integrated/version_checking_module/VersionCheckTask.cpp b/src/module/integrated/version_checking_module/VersionCheckTask.cpp
index edc22cc1..1aa5d534 100644
--- a/src/module/integrated/version_checking_module/VersionCheckTask.cpp
+++ b/src/module/integrated/version_checking_module/VersionCheckTask.cpp
@@ -30,7 +30,6 @@
 
 #include <QMetaType>
 #include <QtNetwork>
-#include <nlohmann/json.hpp>
 
 #include "GpgFrontendBuildInfo.h"
 
@@ -47,70 +46,50 @@ VersionCheckTask::VersionCheckTask()
 }
 
 void VersionCheckTask::Run() {
-  try {
-    using namespace nlohmann;
-    MODULE_LOG_DEBUG("current version: {}", current_version_);
-    QString latest_version_url =
-        "https://api.github.com/repos/saturneric/gpgfrontend/releases/latest";
-
-    QNetworkRequest latest_request;
-    latest_request.setUrl(QUrl(latest_version_url));
-    latest_reply_ = network_manager_->get(latest_request);
-    connect(latest_reply_, &QNetworkReply::finished, this,
-            &VersionCheckTask::slot_parse_latest_version_info);
-
-    // loading done
-    version_.loading_done = true;
-
-  } catch (...) {
-    MODULE_LOG_ERROR("unknown error occurred");
-    emit SignalTaskShouldEnd(-1);
-  }
+  MODULE_LOG_DEBUG("current version: {}", current_version_);
+  QString latest_version_url =
+      "https://api.github.com/repos/saturneric/gpgfrontend/releases/latest";
+
+  QNetworkRequest latest_request;
+  latest_request.setUrl(QUrl(latest_version_url));
+  latest_reply_ = network_manager_->get(latest_request);
+  connect(latest_reply_, &QNetworkReply::finished, this,
+          &VersionCheckTask::slot_parse_latest_version_info);
 }
 
 void VersionCheckTask::slot_parse_latest_version_info() {
   version_.current_version = current_version_;
 
-  try {
-    if (latest_reply_ == nullptr ||
-        latest_reply_->error() != QNetworkReply::NoError) {
-      MODULE_LOG_ERROR("latest version request error");
-      version_.latest_version = current_version_;
+  if (latest_reply_ == nullptr ||
+      latest_reply_->error() != QNetworkReply::NoError) {
+    MODULE_LOG_ERROR("latest version request error");
+    version_.latest_version = current_version_;
+  } else {
+    latest_reply_bytes_ = latest_reply_->readAll();
+    auto latest_reply_json = QJsonDocument::fromJson(latest_reply_bytes_);
+
+    QString latest_version = latest_reply_json["tag_name"].toString();
+    MODULE_LOG_INFO("latest version from Github: {}", latest_version);
+
+    QRegularExpression re(R"(^[vV](\d+\.)?(\d+\.)?(\*|\d+))");
+    auto version_match = re.match(latest_version);
+    if (version_match.hasMatch()) {
+      latest_version = version_match.captured(0);
+      MODULE_LOG_DEBUG("latest version matched: {}", latest_version);
     } else {
-      latest_reply_bytes_ = latest_reply_->readAll();
-
-      auto latest_reply_json =
-          nlohmann::json::parse(latest_reply_bytes_.toStdString());
-
-      QString latest_version =
-          QString::fromStdString(latest_reply_json["tag_name"]);
-
-      MODULE_LOG_INFO("latest version from Github: {}", latest_version);
-
-      QRegularExpression re(R"(^[vV](\d+\.)?(\d+\.)?(\*|\d+))");
-      auto version_match = re.match(latest_version);
-      if (version_match.hasMatch()) {
-        latest_version = version_match.captured(0);
-        MODULE_LOG_DEBUG("latest version matched: {}", latest_version);
-      } else {
-        latest_version = current_version_;
-        MODULE_LOG_WARN("latest version unknown");
-      }
-
-      bool prerelease = latest_reply_json["prerelease"];
-      bool draft = latest_reply_json["draft"];
-      auto publish_date =
-          QString::fromStdString(latest_reply_json["published_at"]);
-      auto release_note = QString::fromStdString(latest_reply_json["body"]);
-      version_.latest_version = latest_version;
-      version_.latest_prerelease_version_from_remote = prerelease;
-      version_.latest_draft_from_remote = draft;
-      version_.publish_date = publish_date;
-      version_.release_note = release_note;
+      latest_version = current_version_;
+      MODULE_LOG_WARN("latest version unknown");
     }
-  } catch (...) {
-    MODULE_LOG_ERROR("unknown error occurred");
-    version_.loading_done = false;
+
+    bool prerelease = latest_reply_json["prerelease"].toBool();
+    bool draft = latest_reply_json["draft"].toBool();
+    auto publish_date = latest_reply_json["published_at"].toString();
+    auto release_note = latest_reply_json["body"].toString();
+    version_.latest_version = latest_version;
+    version_.latest_prerelease_version_from_remote = prerelease;
+    version_.latest_draft_from_remote = draft;
+    version_.publish_date = publish_date;
+    version_.release_note = release_note;
   }
 
   if (latest_reply_ != nullptr) {
@@ -135,42 +114,38 @@ void VersionCheckTask::slot_parse_latest_version_info() {
 }
 
 void VersionCheckTask::slot_parse_current_version_info() {
-  try {
-    if (current_reply_ == nullptr ||
-        current_reply_->error() != QNetworkReply::NoError) {
-      if (current_reply_ != nullptr) {
-        MODULE_LOG_ERROR("current version request network error: {}",
-                         current_reply_->errorString().toStdString());
-      } else {
-        MODULE_LOG_ERROR(
-            "current version request network error, null reply object");
-      }
-      version_.current_version_publish_in_remote = false;
-      version_.loading_done = false;
+  if (current_reply_ == nullptr ||
+      current_reply_->error() != QNetworkReply::NoError) {
+    if (current_reply_ != nullptr) {
+      MODULE_LOG_ERROR("current version request network error: {}",
+                       current_reply_->errorString().toStdString());
     } else {
-      version_.current_version_publish_in_remote = true;
-      current_reply_bytes_ = current_reply_->readAll();
-      MODULE_LOG_DEBUG("current version: {}", current_reply_bytes_.size());
-      auto current_reply_json =
-          nlohmann::json::parse(current_reply_bytes_.toStdString());
-      bool current_prerelease = current_reply_json["prerelease"];
-      bool current_draft = current_reply_json["draft"];
+      MODULE_LOG_ERROR(
+          "current version request network error, null reply object");
+    }
+    version_.current_version_publish_in_remote = false;
+  } else {
+    version_.current_version_publish_in_remote = true;
+    current_reply_bytes_ = current_reply_->readAll();
+    auto current_reply_json = QJsonDocument::fromJson(current_reply_bytes_);
+
+    if (current_reply_json.isObject()) {
+      bool current_prerelease = current_reply_json["prerelease"].toBool();
+      bool current_draft = current_reply_json["draft"].toBool();
       version_.latest_prerelease_version_from_remote = current_prerelease;
       version_.latest_draft_from_remote = current_draft;
+
+      // loading done
       version_.loading_done = true;
+    } else {
+      MODULE_LOG_WARN("cannot parse data got from github");
     }
-  } catch (...) {
-    MODULE_LOG_ERROR("unknown error occurred");
-    version_.loading_done = false;
   }
 
   MODULE_LOG_DEBUG("current version parse done: {}",
                    version_.current_version_publish_in_remote);
 
-  if (current_reply_ != nullptr) {
-    current_reply_->deleteLater();
-  }
-
+  if (current_reply_ != nullptr) current_reply_->deleteLater();
   emit SignalUpgradeVersion(version_);
   emit SignalTaskShouldEnd(0);
 }
diff --git a/src/module/integrated/version_checking_module/VersionCheckingModule.cpp b/src/module/integrated/version_checking_module/VersionCheckingModule.cpp
index b1eb7a16..9b62a9c8 100644
--- a/src/module/integrated/version_checking_module/VersionCheckingModule.cpp
+++ b/src/module/integrated/version_checking_module/VersionCheckingModule.cpp
@@ -28,10 +28,6 @@
 
 #include "VersionCheckingModule.h"
 
-#include <qobject.h>
-
-#include <utility>
-
 #include "Log.h"
 #include "SoftwareVersion.h"
 #include "VersionCheckTask.h"
diff --git a/third_party/CMakeLists.txt b/third_party/CMakeLists.txt
index b0ddc488..dbee3026 100644
--- a/third_party/CMakeLists.txt
+++ b/third_party/CMakeLists.txt
@@ -27,7 +27,6 @@
 # json
 set(JSON_BuildTests OFF CACHE INTERNAL "")
 
-add_subdirectory(json EXCLUDE_FROM_ALL)
 add_subdirectory(spdlog EXCLUDE_FROM_ALL)
 
 # not working at macOS
diff --git a/third_party/json b/third_party/json
deleted file mode 160000
-Subproject db78ac1d7716f56fc9f1b030b715f872f93964e