feat: add ui support for adsk features

11 files changed, 865 insertions, 17 deletions

diff --git a/src/core/function/gpg/GpgKeyOpera.cpp b/src/core/function/gpg/GpgKeyOpera.cpp
index 931eae72..2378b518 100644
--- a/src/core/function/gpg/GpgKeyOpera.cpp
+++ b/src/core/function/gpg/GpgKeyOpera.cpp
@@ -371,7 +371,7 @@ auto AddADSKImpl(GpgContext& ctx, const GpgKey& key, const GpgSubKey& adsk,
   unsigned int flags = GPGME_CREATE_ADSK;
 
   LOG_D() << "add adsk args: " << key.GetId() << algo;
-  
+
   auto err =
       gpgme_op_createsubkey(ctx.DefaultContext(), static_cast<gpgme_key_t>(key),
                             algo.toLatin1(), 0, 0, flags);
diff --git a/src/core/model/GpgAbstractKey.h b/src/core/model/GpgAbstractKey.h
new file mode 100644
index 00000000..b34643cd
--- /dev/null
+++ b/src/core/model/GpgAbstractKey.h
@@ -0,0 +1,59 @@
+/**
+ * Copyright (C) 2021-2024 Saturneric <[email protected]>
+ *
+ * This file is part of GpgFrontend.
+ *
+ * GpgFrontend is free software: you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation, either version 3 of the License, or
+ * (at your option) any later version.
+ *
+ * GpgFrontend is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with GpgFrontend. If not, see <https://www.gnu.org/licenses/>.
+ *
+ * The initial version of the source code is inherited from
+ * the gpg4usb project, which is under GPL-3.0-or-later.
+ *
+ * All the source code of GpgFrontend was modified and released by
+ * Saturneric <[email protected]> starting on May 12, 2021.
+ *
+ * SPDX-License-Identifier: GPL-3.0-or-later
+ *
+ */
+
+#pragma once
+
+namespace GpgFrontend {
+
+class GpgAbstractKey {
+ public:
+  [[nodiscard]] virtual auto ID() const -> QString = 0;
+  [[nodiscard]] virtual auto Fingerprint() const -> QString = 0;
+  [[nodiscard]] virtual auto IsSubKey() const -> bool = 0;
+  [[nodiscard]] virtual auto CreationTime() const -> QDateTime = 0;
+  [[nodiscard]] virtual auto IsHasEncrCap() const -> bool = 0;
+  [[nodiscard]] virtual auto IsHasSignCap() const -> bool = 0;
+  [[nodiscard]] virtual auto IsHasCertCap() const -> bool = 0;
+  [[nodiscard]] virtual auto IsHasAuthCap() const -> bool = 0;
+
+  //
+
+  [[nodiscard]] auto IsPrimaryKey() const -> bool { return IsHasCertCap(); }
+
+  auto operator==(const GpgAbstractKey& o) const -> bool {
+    return ID() == o.ID();
+  }
+
+  auto operator<(const GpgAbstractKey& o) const -> bool {
+    return ID() < o.ID();
+  }
+
+  virtual ~GpgAbstractKey() = default;
+};
+
+}  // namespace GpgFrontend
\ No newline at end of file
diff --git a/src/core/model/GpgKey.cpp b/src/core/model/GpgKey.cpp
index 2bf15f3a..ce6f1c10 100644
--- a/src/core/model/GpgKey.cpp
+++ b/src/core/model/GpgKey.cpp
@@ -241,4 +241,7 @@ void GpgKey::KeyRefDeleter::operator()(gpgme_key_t _key) {
   if (_key != nullptr) gpgme_key_unref(_key);
 }
 
+auto GpgKey::GetPrimaryKey() const -> GpgSubKey {
+  return GpgSubKey(key_ref_->subkeys);
+}
 }  // namespace GpgFrontend
\ No newline at end of file
diff --git a/src/core/model/GpgKey.h b/src/core/model/GpgKey.h
index a3fe8396..e2743670 100644
--- a/src/core/model/GpgKey.h
+++ b/src/core/model/GpgKey.h
@@ -123,9 +123,9 @@ class GPGFRONTEND_CORE_EXPORT GpgKey {
   auto operator<=(const GpgKey&) const -> bool;
 
   /**
-   * @brief 
-   * 
-   * @return gpgme_key_t 
+   * @brief
+   *
+   * @return gpgme_key_t
    */
   // NOLINTNEXTLINE(google-explicit-constructor)
   operator gpgme_key_t() const;
@@ -364,6 +364,13 @@ class GPGFRONTEND_CORE_EXPORT GpgKey {
    */
   [[nodiscard]] auto GetUIDs() const -> std::unique_ptr<QContainer<GpgUID>>;
 
+  /**
+   * @brief Get the Primary Key object
+   *
+   * @return GpgSubKey
+   */
+  [[nodiscard]] auto GetPrimaryKey() const -> GpgSubKey;
+
  private:
   /**
    * @brief
diff --git a/src/core/model/GpgKeyTableModel.cpp b/src/core/model/GpgKeyTableModel.cpp
index b9d03bb6..53f5d1b1 100644
--- a/src/core/model/GpgKeyTableModel.cpp
+++ b/src/core/model/GpgKeyTableModel.cpp
@@ -30,6 +30,7 @@
 
 #include "core/function/gpg/GpgKeyGetter.h"
 #include "core/model/GpgKey.h"
+#include "core/utils/GpgUtils.h"
 
 namespace GpgFrontend {
 
@@ -87,12 +88,7 @@ auto GpgKeyTableModel::data(const QModelIndex &index,
         return key.GetEmail();
       }
       case 4: {
-        QString usage_sym;
-        if (key.IsHasActualCertCap()) usage_sym += "C";
-        if (key.IsHasActualEncrCap()) usage_sym += "E";
-        if (key.IsHasActualSignCap()) usage_sym += "S";
-        if (key.IsHasActualAuthCap()) usage_sym += "A";
-        return usage_sym;
+        return GetUsagesByKey(key);
       }
       case 5: {
         return key.GetOwnerTrust();
diff --git a/src/core/model/GpgKeyTreeModel.cpp b/src/core/model/GpgKeyTreeModel.cpp
new file mode 100644
index 00000000..ce43d2d1
--- /dev/null
+++ b/src/core/model/GpgKeyTreeModel.cpp
@@ -0,0 +1,309 @@
+/**
+ * Copyright (C) 2021-2024 Saturneric <[email protected]>
+ *
+ * This file is part of GpgFrontend.
+ *
+ * GpgFrontend is free software: you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation, either version 3 of the License, or
+ * (at your option) any later version.
+ *
+ * GpgFrontend is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with GpgFrontend. If not, see <https://www.gnu.org/licenses/>.
+ *
+ * The initial version of the source code is inherited from
+ * the gpg4usb project, which is under GPL-3.0-or-later.
+ *
+ * All the source code of GpgFrontend was modified and released by
+ * Saturneric <[email protected]> starting on May 12, 2021.
+ *
+ * SPDX-License-Identifier: GPL-3.0-or-later
+ *
+ */
+
+#include "GpgKeyTreeModel.h"
+
+#include <utility>
+
+#include "core/model/GpgKey.h"
+#include "core/utils/GpgUtils.h"
+
+namespace GpgFrontend {
+
+GpgKeyTreeModel::GpgKeyTreeModel(int channel, const GpgKeyList &keys,
+                                 Detector checkable_detector,
+                                 Detector enable_detector, QObject *parent)
+    : QAbstractItemModel(parent),
+      gpg_context_channel_(channel),
+      column_headers_({
+          tr("Select"),
+          tr("Identity"),
+          tr("Key ID"),
+          tr("Type"),
+          tr("Usage"),
+          tr("Algorithm"),
+          tr("Create Date"),
+      }),
+      checkable_detector_(std::move(checkable_detector)),
+      enable_detector_(std::move(enable_detector)) {
+  setup_model_data(keys);
+}
+
+auto GpgKeyTreeModel::index(int row, int column,
+                            const QModelIndex &parent) const -> QModelIndex {
+  if (!hasIndex(row, column, parent)) return {};
+
+  GpgKeyTreeItem *i_parent =
+      parent.isValid() ? static_cast<GpgKeyTreeItem *>(parent.internalPointer())
+                       : root_.get();
+
+  auto *i_child = i_parent->Child(row);
+  if (i_child != nullptr) {
+    return createIndex(row, column, i_child);
+  }
+
+  return {};
+}
+
+auto GpgKeyTreeModel::rowCount(const QModelIndex &parent) const -> int {
+  if (parent.column() > 0) return 0;
+
+  const GpgKeyTreeItem *i_parent =
+      parent.isValid()
+          ? static_cast<const GpgKeyTreeItem *>(parent.internalPointer())
+          : root_.get();
+
+  return static_cast<int>(i_parent->ChildCount());
+}
+
+auto GpgKeyTreeModel::columnCount(const QModelIndex &parent) const -> int {
+  if (parent.isValid()) {
+    return static_cast<int>(
+        static_cast<GpgKeyTreeItem *>(parent.internalPointer())->ColumnCount());
+  }
+  return static_cast<int>(root_->ColumnCount());
+}
+
+auto GpgKeyTreeModel::data(const QModelIndex &index,
+                           int role) const -> QVariant {
+  if (!index.isValid()) return {};
+
+  const auto *item =
+      static_cast<const GpgKeyTreeItem *>(index.internalPointer());
+
+  if (role == Qt::CheckStateRole) {
+    if (index.column() == 0 && item->Checkable()) {
+      return item->Checked() ? Qt::Checked : Qt::Unchecked;
+    }
+  }
+
+  if (role == Qt::DisplayRole) {
+    if (index.column() == 0) return item->Row();
+    return item->Data(index.column());
+  }
+
+  if (role == Qt::TextAlignmentRole) {
+    switch (index.column()) {
+      case 1:
+      case 2:
+      case 3:
+      case 4:
+      case 5:
+      case 6:
+        return Qt::AlignCenter;
+      default:
+        return {};
+    }
+  }
+
+  return {};
+}
+
+auto GpgKeyTreeModel::headerData(int section, Qt::Orientation orientation,
+                                 int role) const -> QVariant {
+  if (role == Qt::DisplayRole && orientation == Qt::Horizontal) {
+    return root_->Data(section);
+  }
+  return {};
+}
+
+auto GpgKeyTreeModel::flags(const QModelIndex &index) const -> Qt::ItemFlags {
+  if (!index.isValid()) return Qt::NoItemFlags;
+
+  const auto *item =
+      static_cast<const GpgKeyTreeItem *>(index.internalPointer());
+
+  if (index.column() == 0) {
+    return (item->Checkable() ? Qt::ItemIsUserCheckable : Qt::ItemFlags{0}) |
+           Qt::ItemIsSelectable |
+           (item->Enable() ? Qt::ItemIsEnabled : Qt::ItemFlags{0});
+  }
+
+  return Qt::ItemIsSelectable |
+         (item->Enable() ? Qt::ItemIsEnabled : Qt::ItemFlags{0});
+}
+
+auto GpgKeyTreeModel::setData(const QModelIndex &index, const QVariant &value,
+                              int role) -> bool {
+  if (!index.isValid()) return false;
+
+  auto *item = static_cast<GpgKeyTreeItem *>(index.internalPointer());
+
+  if (index.column() == 0 && role == Qt::CheckStateRole) {
+    item->SetChecked(value == Qt::Checked);
+    emit dataChanged(index, index);
+    return true;
+  }
+
+  return false;
+}
+
+auto GpgKeyTreeModel::GetGpgContextChannel() const -> int {
+  return gpg_context_channel_;
+}
+
+void GpgKeyTreeModel::setup_model_data(const GpgKeyList &keys) {
+  auto root = QSharedPointer<GpgKeyTreeItem>::create(nullptr, column_headers_);
+  cached_items_.clear();
+
+  for (const auto &key : keys) {
+    auto pi_key = create_gpg_key_tree_items(key);
+    root->AppendChild(pi_key);
+  }
+
+  std::swap(root_, root);
+}
+
+auto GpgKeyTreeModel::parent(const QModelIndex &index) const -> QModelIndex {
+  if (!index.isValid()) return {};
+
+  auto *i_child = static_cast<GpgKeyTreeItem *>(index.internalPointer());
+  GpgKeyTreeItem *i_parent = i_child->ParentItem();
+
+  return i_parent != root_.get()
+             ? createIndex(static_cast<int>(i_parent->Row()), 0, i_parent)
+             : QModelIndex{};
+}
+
+auto GpgKeyTreeModel::GetAllCheckedKeyIds() -> KeyIdArgsList {
+  auto ret = KeyIdArgsList{};
+  for (const auto &item : cached_items_) {
+    if (!item->Checkable() || !item->Checked()) continue;
+    ret.push_back(item->Key()->ID());
+  }
+  return ret;
+}
+
+auto GpgKeyTreeModel::create_gpg_key_tree_items(const GpgKey &key)
+    -> QSharedPointer<GpgKeyTreeItem> {
+  QVariantList columns;
+  columns << "/";
+  columns << key.GetUIDs()->front().GetUID();
+  columns << key.GetId();
+  columns << "C";
+  columns << GetUsagesByKey(key);
+  columns << key.GetPublicKeyAlgo();
+  columns << key.GetKeyAlgo();
+  columns << QLocale().toString(key.GetCreateTime(), "yyyy-MM-dd");
+
+  auto i_key = QSharedPointer<GpgKeyTreeItem>::create(
+      QSharedPointer<GpgKeyAdapter>::create(key), columns);
+  i_key->SetEnable(enable_detector_(i_key->Key()));
+  i_key->SetCheckable(checkable_detector_(i_key->Key()));
+  cached_items_.push_back(i_key);
+
+  auto s_keys = key.GetSubKeys();
+  for (const auto &s_key : *s_keys) {
+    QVariantList columns;
+    columns << "/";
+    columns << key.GetUIDs()->front().GetUID();
+    columns << s_key.GetID();
+    columns << (s_key.IsHasCertCap() ? "P" : "S");
+    columns << GetUsagesBySubkey(s_key);
+    columns << s_key.GetPubkeyAlgo();
+    columns << s_key.GetKeyAlgo();
+    columns << QLocale().toString(s_key.GetCreateTime(), "yyyy-MM-dd");
+
+    auto i_s_key = QSharedPointer<GpgKeyTreeItem>::create(
+        QSharedPointer<GpgSubKeyAdapter>::create(s_key), columns);
+    i_s_key->SetEnable(enable_detector_(i_s_key->Key()));
+    i_s_key->SetCheckable(checkable_detector_(i_s_key->Key()));
+    i_key->AppendChild(i_s_key);
+    cached_items_.push_back(i_s_key);
+  }
+
+  return i_key;
+}
+
+auto GpgKeyTreeModel::GetAllCheckedSubKey() -> QContainer<GpgSubKey> {
+  QContainer<GpgSubKey> ret;
+  for (const auto &i : cached_items_) {
+    if (!i->Key()->IsSubKey() || !i->Checkable() || !i->Checked()) continue;
+
+    auto *adaptor = dynamic_cast<GpgSubKeyAdapter *>(i->Key());
+    if (adaptor == nullptr) continue;
+
+    ret.push_back(adaptor->GetRawKey());
+  }
+  return ret;
+}
+
+GpgKeyTreeItem::GpgKeyTreeItem(QSharedPointer<GpgAbstractKey> key,
+                               QVariantList data)
+    : data_(std::move(data)), key_(std::move(key)) {}
+
+void GpgKeyTreeItem::AppendChild(const QSharedPointer<GpgKeyTreeItem> &child) {
+  child->parent_ = this;
+  children_.append(child);
+}
+
+auto GpgKeyTreeItem::Child(int row) -> GpgKeyTreeItem * {
+  return row >= 0 && row < ChildCount() ? children_.at(row).get() : nullptr;
+}
+
+auto GpgKeyTreeItem::ChildCount() const -> qsizetype {
+  return children_.size();
+}
+
+auto GpgKeyTreeItem::ColumnCount() const -> qsizetype { return data_.count(); }
+
+auto GpgKeyTreeItem::Data(qsizetype column) const -> QVariant {
+  return data_.value(column);
+}
+
+auto GpgKeyTreeItem::Row() const -> qsizetype {
+  if (parent_ == nullptr) return 0;
+  const auto it =
+      std::find_if(parent_->children_.cbegin(), parent_->children_.cend(),
+                   [this](const auto &item) { return item.get() == this; });
+
+  if (it != parent_->children_.cend()) {
+    return std::distance(parent_->children_.cbegin(), it);
+  }
+
+  Q_ASSERT(false);
+  return -1;
+}
+
+auto GpgKeyTreeItem::ParentItem() -> GpgKeyTreeItem * { return parent_; }
+
+auto GpgKeyTreeItem::Checked() const -> bool { return checked_; }
+
+auto GpgKeyTreeItem::Checkable() const -> bool { return checkable_; }
+
+void GpgKeyTreeItem::SetChecked(bool checked) { checked_ = checked; }
+
+void GpgKeyTreeItem::SetCheckable(bool checkable) { checkable_ = checkable; }
+
+auto GpgKeyTreeItem::Key() const -> GpgAbstractKey * { return key_.get(); }
+
+auto GpgKeyTreeItem::Enable() const -> bool { return enable_; }
+
+void GpgKeyTreeItem::SetEnable(bool enable) { enable_ = enable; }
+
+}  // namespace GpgFrontend
diff --git a/src/core/model/GpgKeyTreeModel.h b/src/core/model/GpgKeyTreeModel.h
new file mode 100644
index 00000000..96b78400
--- /dev/null
+++ b/src/core/model/GpgKeyTreeModel.h
@@ -0,0 +1,424 @@
+/**
+ * Copyright (C) 2021-2024 Saturneric <[email protected]>
+ *
+ * This file is part of GpgFrontend.
+ *
+ * GpgFrontend is free software: you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation, either version 3 of the License, or
+ * (at your option) any later version.
+ *
+ * GpgFrontend is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with GpgFrontend. If not, see <https://www.gnu.org/licenses/>.
+ *
+ * The initial version of the source code is inherited from
+ * the gpg4usb project, which is under GPL-3.0-or-later.
+ *
+ * All the source code of GpgFrontend was modified and released by
+ * Saturneric <[email protected]> starting on May 12, 2021.
+ *
+ * SPDX-License-Identifier: GPL-3.0-or-later
+ *
+ */
+
+#pragma once
+
+/**
+ * @brief
+ *
+ */
+#include <utility>
+
+#include "core/model/GpgAbstractKey.h"
+#include "core/model/GpgKey.h"
+#include "core/typedef/GpgTypedef.h"
+
+namespace GpgFrontend {
+
+enum class GpgKeyTreeColumn : unsigned int {
+  kNONE = 0,
+  kIDENTITY = 1 << 1,
+  kKEY_ID = 1 << 2,
+  kTYPE = 1 << 3,
+  kUSAGE = 1 << 4,
+  kALGO = 1 << 5,
+  kCREATE_DATE = 1 << 6,
+  kALL = ~0U
+};
+
+inline auto operator|(GpgKeyTreeColumn lhs,
+                      GpgKeyTreeColumn rhs) -> GpgKeyTreeColumn {
+  using T = std::underlying_type_t<GpgKeyTreeColumn>;
+  return static_cast<GpgKeyTreeColumn>(static_cast<T>(lhs) |
+                                       static_cast<T>(rhs));
+}
+
+inline auto operator|=(GpgKeyTreeColumn &lhs,
+                       GpgKeyTreeColumn rhs) -> GpgKeyTreeColumn & {
+  lhs = lhs | rhs;
+  return lhs;
+}
+
+inline auto operator&(GpgKeyTreeColumn lhs,
+                      GpgKeyTreeColumn rhs) -> GpgKeyTreeColumn {
+  using T = std::underlying_type_t<GpgKeyTreeColumn>;
+  return static_cast<GpgKeyTreeColumn>(static_cast<T>(lhs) &
+                                       static_cast<T>(rhs));
+}
+
+inline auto operator&=(GpgKeyTreeColumn &lhs,
+                       GpgKeyTreeColumn rhs) -> GpgKeyTreeColumn & {
+  lhs = lhs & rhs;
+  return lhs;
+}
+
+inline auto operator~(GpgKeyTreeColumn hs) -> GpgKeyTreeColumn {
+  using T = std::underlying_type_t<GpgKeyTreeColumn>;
+  return static_cast<GpgKeyTreeColumn>(~static_cast<T>(hs));
+}
+
+class GPGFRONTEND_CORE_EXPORT GpgKeyAdapter : public GpgAbstractKey {
+ public:
+  [[nodiscard]] auto ID() const -> QString override { return key_.GetId(); }
+
+  [[nodiscard]] auto Fingerprint() const -> QString override {
+    return key_.GetFingerprint();
+  }
+
+  [[nodiscard]] auto IsSubKey() const -> bool override { return false; }
+
+  [[nodiscard]] auto CreationTime() const -> QDateTime override {
+    return key_.GetCreateTime();
+  }
+
+  [[nodiscard]] auto IsHasEncrCap() const -> bool override {
+    return key_.IsHasActualEncrCap();
+  }
+
+  [[nodiscard]] auto IsHasSignCap() const -> bool override {
+    return key_.IsHasActualSignCap();
+  }
+
+  [[nodiscard]] auto IsHasCertCap() const -> bool override {
+    return key_.IsHasActualCertCap();
+  }
+
+  [[nodiscard]] auto IsHasAuthCap() const -> bool override {
+    return key_.IsHasActualAuthCap();
+  }
+
+  [[nodiscard]] auto GetRawKey() const -> const GpgKey & { return key_; }
+
+  explicit GpgKeyAdapter(GpgKey key) : key_(std::move(key)) {}
+
+ private:
+  GpgKey key_;
+};
+
+class GPGFRONTEND_CORE_EXPORT GpgSubKeyAdapter : public GpgAbstractKey {
+ public:
+  [[nodiscard]] auto ID() const -> QString override { return key_.GetID(); }
+
+  [[nodiscard]] auto Fingerprint() const -> QString override {
+    return key_.GetFingerprint();
+  }
+
+  [[nodiscard]] auto IsSubKey() const -> bool override { return true; }
+
+  [[nodiscard]] auto CreationTime() const -> QDateTime override {
+    return key_.GetCreateTime();
+  }
+
+  [[nodiscard]] auto IsHasEncrCap() const -> bool override {
+    return key_.IsHasEncrCap();
+  }
+
+  [[nodiscard]] auto IsHasSignCap() const -> bool override {
+    return key_.IsHasSignCap();
+  }
+
+  [[nodiscard]] auto IsHasCertCap() const -> bool override {
+    return key_.IsHasCertCap();
+  }
+
+  [[nodiscard]] auto IsHasAuthCap() const -> bool override {
+    return key_.IsHasAuthCap();
+  }
+
+  [[nodiscard]] auto GetRawKey() const -> const GpgSubKey & { return key_; }
+
+  explicit GpgSubKeyAdapter(const GpgSubKey &key) : key_(key) {}
+
+ private:
+  GpgSubKey key_;
+};
+
+class GPGFRONTEND_CORE_EXPORT GpgKeyTreeItem {
+ public:
+  GpgKeyTreeItem() = default;
+
+  /**
+   * @brief Construct a new Gpg Key Tree Item object
+   *
+   * @param headers
+   */
+  explicit GpgKeyTreeItem(QSharedPointer<GpgAbstractKey> key,
+                          QVariantList data);
+
+  /**
+   * @brief
+   *
+   * @param child
+   */
+  void AppendChild(const QSharedPointer<GpgKeyTreeItem> &child);
+
+  /**
+   * @brief
+   *
+   * @param row
+   * @return GpgKeyTreeItem*
+   */
+  auto Child(int row) -> GpgKeyTreeItem *;
+
+  /**
+   * @brief
+   *
+   * @return qsizetype
+   */
+  [[nodiscard]] auto ChildCount() const -> qsizetype;
+
+  /**
+   * @brief
+   *
+   * @return qsizetype
+   */
+  [[nodiscard]] auto ColumnCount() const -> qsizetype;
+
+  /**
+   * @brief
+   *
+   * @param column
+   * @return QVariant
+   */
+  [[nodiscard]] auto Data(qsizetype column) const -> QVariant;
+
+  /**
+   * @brief
+   *
+   * @return qsizetype
+   */
+  [[nodiscard]] auto Row() const -> qsizetype;
+
+  /**
+   * @brief
+   *
+   * @return GpgKeyTreeItem*
+   */
+  auto ParentItem() -> GpgKeyTreeItem *;
+
+  /**
+   * @brief
+   *
+   * @return bool
+   */
+  [[nodiscard]] auto Checked() const -> bool;
+
+  /**
+   * @brief Set the Checked object
+   *
+   * @return true
+   * @return false
+   */
+  void SetChecked(bool);
+
+  /**
+   * @brief
+   *
+   * @return bool
+   */
+  [[nodiscard]] auto Checkable() const -> bool;
+
+  /**
+   * @brief
+   *
+   * @return bool
+   */
+  void SetCheckable(bool);
+
+  /**
+   * @brief
+   *
+   * @return bool
+   */
+  [[nodiscard]] auto Enable() const -> bool;
+
+  /**
+   * @brief
+   *
+   * @return bool
+   */
+  void SetEnable(bool);
+
+  /**
+   * @brief
+   *
+   * @return bool
+   */
+  [[nodiscard]] auto Key() const -> GpgAbstractKey *;
+
+ private:
+  QContainer<QSharedPointer<GpgKeyTreeItem>> children_;
+  QVariantList data_;
+  bool checked_;
+  bool checkable_;
+  bool enable_;
+  QSharedPointer<GpgAbstractKey> key_;
+  GpgKeyTreeItem *parent_ = nullptr;
+};
+
+class GPGFRONTEND_CORE_EXPORT GpgKeyTreeModel : public QAbstractItemModel {
+  Q_OBJECT
+ public:
+  using Detector = std::function<bool(GpgAbstractKey *)>;
+
+  /**
+   * @brief Construct a new Gpg Key Table Model object
+   *
+   * @param keys
+   * @param parent
+   */
+  explicit GpgKeyTreeModel(int channel, const GpgKeyList &keys,
+                           Detector checkable, Detector enable,
+                           QObject *parent = nullptr);
+
+  /**
+   * @brief
+   *
+   * @param row
+   * @param column
+   * @param parent
+   * @return QModelIndex
+   */
+  [[nodiscard]] auto index(int row, int column, const QModelIndex &parent) const
+      -> QModelIndex override;
+
+  /**
+   * @brief
+   *
+   * @param parent
+   * @return int
+   */
+  [[nodiscard]] auto rowCount(const QModelIndex &parent) const -> int override;
+
+  /**
+   * @brief
+   *
+   * @param parent
+   * @return int
+   */
+  [[nodiscard]] auto columnCount(const QModelIndex &parent) const
+      -> int override;
+
+  /**
+   * @brief
+   *
+   * @param index
+   * @param role
+   * @return QVariant
+   */
+  [[nodiscard]] auto data(const QModelIndex &index,
+                          int role) const -> QVariant override;
+
+  /**
+   * @brief
+   *
+   * @param section
+   * @param orientation
+   * @param role
+   * @return QVariant
+   */
+  [[nodiscard]] auto headerData(int section, Qt::Orientation orientation,
+                                int role) const -> QVariant override;
+
+  /**
+   * @brief Set the Data object
+   *
+   * @param index
+   * @param value
+   * @param role
+   * @return true
+   * @return false
+   */
+  auto setData(const QModelIndex &index, const QVariant &value,
+               int role) -> bool override;
+
+  /**
+   * @brief
+   *
+   * @param index
+   * @return Qt::ItemFlags
+   */
+  [[nodiscard]] auto flags(const QModelIndex &index) const
+      -> Qt::ItemFlags override;
+
+  /**
+   * @brief
+   *
+   * @param index
+   * @return QModelIndex
+   */
+  [[nodiscard]] auto parent(const QModelIndex &index) const
+      -> QModelIndex override;
+
+  /**
+   * @brief
+   *
+   * @return int
+   */
+  [[nodiscard]] auto GetGpgContextChannel() const -> int;
+
+  /**
+   * @brief Get the All Checked Key Ids object
+   *
+   * @return KeyIdArgsList
+   */
+  auto GetAllCheckedKeyIds() -> KeyIdArgsList;
+
+  /**
+   * @brief Get the All Checked Sub Key object
+   *
+   * @return QContainer<GpgSubKey>
+   */
+  auto GetAllCheckedSubKey() -> QContainer<GpgSubKey>;
+
+ private:
+  int gpg_context_channel_;
+  QVariantList column_headers_;
+  Detector checkable_detector_;
+  Detector enable_detector_;
+
+  QSharedPointer<GpgKeyTreeItem> root_;
+  QContainer<QSharedPointer<GpgKeyTreeItem>> cached_items_;
+
+  /**
+   * @brief
+   *
+   */
+  void setup_model_data(const GpgKeyList &keys);
+
+  /**
+   * @brief Create a gpg key tree items object
+   *
+   * @param key
+   * @return QSharedPointer<GpgKeyTreeItem>
+   */
+  auto create_gpg_key_tree_items(const GpgKey &key)
+      -> QSharedPointer<GpgKeyTreeItem>;
+};
+
+}  // namespace GpgFrontend
\ No newline at end of file
diff --git a/src/core/model/GpgSubKey.cpp b/src/core/model/GpgSubKey.cpp
index 42fc476a..dbabf085 100644
--- a/src/core/model/GpgSubKey.cpp
+++ b/src/core/model/GpgSubKey.cpp
@@ -41,6 +41,10 @@ auto GpgSubKey::operator==(const GpgSubKey& o) const -> bool {
   return GetFingerprint() == o.GetFingerprint();
 }
 
+auto GpgSubKey::operator<(const GpgSubKey& o) const -> bool {
+  return GetID() < o.GetID();
+}
+
 auto GpgSubKey::GetID() const -> QString { return subkey_ref_->keyid; }
 
 auto GpgSubKey::GetFingerprint() const -> QString { return subkey_ref_->fpr; }
@@ -99,4 +103,5 @@ auto GpgSubKey::IsADSK() const -> bool { return subkey_ref_->can_renc; }
 auto GpgSubKey::SmartCardSerialNumber() -> QString {
   return subkey_ref_->card_number;
 }
+
 }  // namespace GpgFrontend
diff --git a/src/core/model/GpgSubKey.h b/src/core/model/GpgSubKey.h
index e5a8a21b..6577ff5a 100644
--- a/src/core/model/GpgSubKey.h
+++ b/src/core/model/GpgSubKey.h
@@ -78,6 +78,15 @@ class GPGFRONTEND_CORE_EXPORT GpgSubKey {
   /**
    * @brief
    *
+   * @param o
+   * @return true
+   * @return false
+   */
+  auto operator<(const GpgSubKey& o) const -> bool;
+
+  /**
+   * @brief
+   *
    * @return QString
    */
   [[nodiscard]] auto GetID() const -> QString;
@@ -205,17 +214,17 @@ class GPGFRONTEND_CORE_EXPORT GpgSubKey {
   [[nodiscard]] auto GetExpireTime() const -> QDateTime;
 
   /**
-   * @brief 
-   * 
-   * @return true 
-   * @return false 
+   * @brief
+   *
+   * @return true
+   * @return false
    */
   [[nodiscard]] auto IsADSK() const -> bool;
 
   /**
-   * @brief 
-   * 
-   * @return QString 
+   * @brief
+   *
+   * @return QString
    */
   [[nodiscard]] auto SmartCardSerialNumber() -> QString;
 
diff --git a/src/core/utils/GpgUtils.cpp b/src/core/utils/GpgUtils.cpp
index c96f523b..c7040cc2 100644
--- a/src/core/utils/GpgUtils.cpp
+++ b/src/core/utils/GpgUtils.cpp
@@ -333,4 +333,24 @@ auto GPGFRONTEND_CORE_EXPORT Convert2RawGpgMEKeyList(
 
   return recipients;
 }
+
+auto GPGFRONTEND_CORE_EXPORT GetUsagesByKey(const GpgKey& key) -> QString {
+  QString usages;
+  if (key.IsHasActualCertCap()) usages += "C";
+  if (key.IsHasActualEncrCap()) usages += "E";
+  if (key.IsHasActualSignCap()) usages += "S";
+  if (key.IsHasActualAuthCap()) usages += "A";
+  return usages;
+}
+
+auto GPGFRONTEND_CORE_EXPORT GetUsagesBySubkey(const GpgSubKey& key)
+    -> QString {
+  QString usages;
+  if (key.IsHasCertCap()) usages += "C";
+  if (key.IsHasEncrCap()) usages += "E";
+  if (key.IsHasSignCap()) usages += "S";
+  if (key.IsHasAuthCap()) usages += "A";
+  if (key.IsADSK()) usages += "R";
+  return usages;
+}
 }  // namespace GpgFrontend
diff --git a/src/core/utils/GpgUtils.h b/src/core/utils/GpgUtils.h
index 7710f56e..b453cc0a 100644
--- a/src/core/utils/GpgUtils.h
+++ b/src/core/utils/GpgUtils.h
@@ -157,4 +157,20 @@ auto GPGFRONTEND_CORE_EXPORT GetGpgKeyDatabaseName(int channel) -> QString;
 auto GPGFRONTEND_CORE_EXPORT Convert2RawGpgMEKeyList(
     const QContainer<GpgKey>& keys) -> QContainer<gpgme_key_t>;
 
+/**
+ * @brief
+ *
+ * @param key
+ * @return QString
+ */
+auto GPGFRONTEND_CORE_EXPORT GetUsagesByKey(const GpgKey& key) -> QString;
+
+/**
+ * @brief
+ *
+ * @param key
+ * @return QString
+ */
+auto GPGFRONTEND_CORE_EXPORT GetUsagesBySubkey(const GpgSubKey& key) -> QString;
+
 }  // namespace GpgFrontend
\ No newline at end of file