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SpaceAnalyzer: Propagate possible errors up

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These include a JSON parse error, file open errors, and vector appends.
These fix a bunch of calls to functions with `fixme` in them.
This commit is contained in:
Arda Cinar 2022-12-06 20:39:30 +03:00 committed by Sam Atkins
parent f0b61e1443
commit d46315bcc0
Notes: sideshowbarker 2024-07-17 03:35:51 +09:00 
Author: https://github.com/kuzux
Commit: https://github.com/SerenityOS/serenity/commit/d46315bcc0
Pull-request: https://github.com/SerenityOS/serenity/pull/16339
Reviewed-by: https://github.com/ADKaster
Reviewed-by: https://github.com/AtkinsSJ ✅
Reviewed-by: https://github.com/timschumi ✅
1 changed files with 32 additions and 19 deletions
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51
Userland/Applications/SpaceAnalyzer/main.cpp
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@ -5,14 +5,18 @@
*/
#include "TreeMapWidget.h"
#include <AK/Error.h>
#include <AK/LexicalPath.h>
#include <AK/Queue.h>
#include <AK/QuickSort.h>
#include <AK/String.h>
#include <AK/StringView.h>
#include <AK/URL.h>
#include <Applications/SpaceAnalyzer/SpaceAnalyzerGML.h>
#include <LibCore/DirIterator.h>
#include <LibCore/File.h>
#include <LibCore/IODevice.h>
#include <LibCore/Stream.h>
#include <LibDesktop/Launcher.h>
#include <LibGUI/Application.h>
#include <LibGUI/BoxLayout.h>
@ -25,6 +29,7 @@
#include <LibGUI/Menubar.h>
#include <LibGUI/MessageBox.h>
#include <LibGUI/Statusbar.h>
#include <LibGfx/Bitmap.h>
#include <LibMain/Main.h>
#include <fcntl.h>
#include <sys/stat.h>
@ -76,25 +81,24 @@ struct MountInfo {
DeprecatedString source;
};
static void fill_mounts(Vector<MountInfo>& output)
static ErrorOr<void> fill_mounts(Vector<MountInfo>& output)
{
// Output info about currently mounted filesystems.
auto file = Core::File::construct("/sys/kernel/df");
if (!file->open(Core::OpenMode::ReadOnly)) {
warnln("Failed to open {}: {}", file->name(), file->error_string());
return;
}
auto file = TRY(Core::Stream::File::open("/sys/kernel/df"sv, Core::Stream::OpenMode::Read));
auto content = file->read_all();
auto json = JsonValue::from_string(content).release_value_but_fixme_should_propagate_errors();
auto content = TRY(file->read_all());
auto json = TRY(JsonValue::from_string(content));
json.as_array().for_each([&output](JsonValue const& value) {
TRY(json.as_array().try_for_each([&output](JsonValue const& value) -> ErrorOr<void> {
auto& filesystem_object = value.as_object();
MountInfo mount_info;
mount_info.mount_point = filesystem_object.get("mount_point"sv).to_deprecated_string();
mount_info.source = filesystem_object.get("source"sv).as_string_or("none"sv);
output.append(mount_info);
});
TRY(output.try_append(mount_info));
return {};
}));
return {};
}
static MountInfo* find_mount_for_path(DeprecatedString path, Vector<MountInfo>& mounts)
@ -231,7 +235,7 @@ static void populate_filesize_tree(TreeNode& root, Vector<MountInfo>& mounts, Ha
update_totals(root);
}
static void analyze(RefPtr<Tree> tree, SpaceAnalyzer::TreeMapWidget& treemapwidget, GUI::Statusbar& statusbar)
static ErrorOr<void> analyze(RefPtr<Tree> tree, SpaceAnalyzer::TreeMapWidget& treemapwidget, GUI::Statusbar& statusbar)
{
statusbar.set_text("");
auto progress_window = create_progress_window();
@ -244,7 +248,7 @@ static void analyze(RefPtr<Tree> tree, SpaceAnalyzer::TreeMapWidget& treemapwidg
// calculate the sum of the file size for all its descendants.
TreeNode* root = &tree->m_root;
Vector<MountInfo> mounts;
fill_mounts(mounts);
TRY(fill_mounts(mounts));
HashMap<int, int> error_accumulator;
populate_filesize_tree(*root, mounts, error_accumulator, progresslabel);
@ -277,6 +281,8 @@ static void analyze(RefPtr<Tree> tree, SpaceAnalyzer::TreeMapWidget& treemapwidg
statusbar.set_text("No errors");
}
treemapwidget.set_tree(tree);
return {};
}
static bool is_removable(DeprecatedString const& absolute_path)
@ -325,7 +331,9 @@ ErrorOr<int> serenity_main(Main::Arguments arguments)
auto& file_menu = window->add_menu("&File");
file_menu.add_action(GUI::Action::create("&Analyze", [&](auto&) {
analyze(tree, treemapwidget, statusbar);
if (auto result = analyze(tree, treemapwidget, statusbar); result.is_error()) {
GUI::MessageBox::show_error(window, DeprecatedString::formatted("{}", result.error()));
}
}));
file_menu.add_separator();
file_menu.add_action(GUI::CommonActions::make_quit_action([&](auto&) {
@ -336,15 +344,18 @@ ErrorOr<int> serenity_main(Main::Arguments arguments)
help_menu.add_action(GUI::CommonActions::make_command_palette_action(window));
help_menu.add_action(GUI::CommonActions::make_about_action(APP_NAME, app_icon, window));
auto open_icon = TRY(Gfx::Bitmap::try_load_from_file("/res/icons/16x16/open.png"sv));
// Configure the nodes context menu.
auto open_folder_action = GUI::Action::create("Open Folder", { Mod_Ctrl, Key_O }, Gfx::Bitmap::try_load_from_file("/res/icons/16x16/open.png"sv).release_value_but_fixme_should_propagate_errors(), [&](auto&) {
auto open_folder_action = GUI::Action::create("Open Folder", { Mod_Ctrl, Key_O }, open_icon, [&](auto&) {
Desktop::Launcher::open(URL::create_with_file_scheme(get_absolute_path_to_selected_node(treemapwidget)));
});
auto open_containing_folder_action = GUI::Action::create("Open Containing Folder", { Mod_Ctrl, Key_O }, Gfx::Bitmap::try_load_from_file("/res/icons/16x16/open.png"sv).release_value_but_fixme_should_propagate_errors(), [&](auto&) {
auto open_containing_folder_action = GUI::Action::create("Open Containing Folder", { Mod_Ctrl, Key_O }, open_icon, [&](auto&) {
LexicalPath path { get_absolute_path_to_selected_node(treemapwidget) };
Desktop::Launcher::open(URL::create_with_file_scheme(path.dirname(), path.basename()));
});
auto copy_path_action = GUI::Action::create("Copy Path to Clipboard", { Mod_Ctrl, Key_C }, Gfx::Bitmap::try_load_from_file("/res/icons/16x16/edit-copy.png"sv).release_value_but_fixme_should_propagate_errors(), [&](auto&) {
auto copy_icon = TRY(Gfx::Bitmap::try_load_from_file("/res/icons/16x16/edit-copy.png"sv));
auto copy_path_action = GUI::Action::create("Copy Path to Clipboard", { Mod_Ctrl, Key_C }, copy_icon, [&](auto&) {
GUI::Clipboard::the().set_plain_text(get_absolute_path_to_selected_node(treemapwidget));
});
auto delete_action = GUI::CommonActions::make_delete_action([&](auto&) {
@ -376,7 +387,9 @@ ErrorOr<int> serenity_main(Main::Arguments arguments)
// TODO: Refreshing data always causes resetting the viewport back to "/".
// It would be great if we found a way to preserve viewport across refreshes.
analyze(tree, treemapwidget, statusbar);
if (auto result = analyze(tree, treemapwidget, statusbar); result.is_error()) {
GUI::MessageBox::show_error(window, DeprecatedString::formatted("{}", result.error()));
}
});
// TODO: Both these menus could've been implemented as one, but it's impossible to change action text after it's shown once.
auto folder_node_context_menu = GUI::Menu::construct();
@ -425,7 +438,7 @@ ErrorOr<int> serenity_main(Main::Arguments arguments)
};
// At startup automatically do an analysis of root.
analyze(tree, treemapwidget, statusbar);
TRY(analyze(tree, treemapwidget, statusbar));
window->show();
return app->exec();