polybar-dwm/src/modules/github.cpp
Patrick Ziegler 82ebad5e7a
fix(timer_module): Ensure that interval > 0 (#2274)
Since 3.5.0, we use m_interval for a modulo operation, this crashes the
bar if the interval is 0. A non-positive interval shouldn't be allowed
anyway, so we now throw an exception in that case.

Fixes #2273
2020-12-05 22:58:38 +01:00

136 lines
3.3 KiB
C++

#include "modules/github.hpp"
#include <cassert>
#include "drawtypes/label.hpp"
#include "modules/meta/base.inl"
#include "utils/concurrency.hpp"
POLYBAR_NS
namespace modules {
template class module<github_module>;
/**
* Construct module
*/
github_module::github_module(const bar_settings& bar, string name_)
: timer_module<github_module>(bar, move(name_)), m_http(http_util::make_downloader()) {
m_accesstoken = m_conf.get(name(), "token");
m_user = m_conf.get(name(), "user", ""s);
m_api_url = m_conf.get(name(), "api-url", "https://api.github.com/"s);
if (m_api_url.back() != '/') {
m_api_url += '/';
}
set_interval(60s);
m_empty_notifications = m_conf.get(name(), "empty-notifications", m_empty_notifications);
m_formatter->add(DEFAULT_FORMAT, TAG_LABEL, {TAG_LABEL});
if (m_formatter->has(TAG_LABEL)) {
m_label = load_optional_label(m_conf, name(), TAG_LABEL, "Notifications: %notifications%");
}
m_formatter->add(FORMAT_OFFLINE, TAG_LABEL_OFFLINE, {TAG_LABEL_OFFLINE});
if (m_formatter->has(TAG_LABEL_OFFLINE)) {
m_label_offline = load_optional_label(m_conf, name(), TAG_LABEL_OFFLINE, "Offline");
}
update_label(0);
}
/**
* Update module contents
*/
bool github_module::update() {
auto notification = get_number_of_notification();
update_label(notification);
return true;
}
string github_module::request() {
string content;
if (m_user.empty()) {
content = m_http->get(m_api_url + "notifications?access_token=" + m_accesstoken);
} else {
content = m_http->get(m_api_url + "notifications", m_user, m_accesstoken);
}
long response_code{m_http->response_code()};
switch (response_code) {
case 200:
break;
case 401:
throw module_error("Bad credentials");
case 403:
throw module_error("Maximum number of login attempts exceeded");
default:
throw module_error("Unspecified error (" + to_string(response_code) + ")");
}
return content;
}
int github_module::get_number_of_notification() {
string content;
try {
content = request();
} catch (application_error& e) {
if (!m_offline) {
m_log.info("%s: cannot complete the request to github: %s", name(), e.what());
}
m_offline = true;
return -1;
}
m_offline = false;
size_t pos{0};
size_t notifications{0};
while ((pos = content.find("\"unread\":true", pos + 1)) != string::npos) {
notifications++;
}
return notifications;
}
string github_module::get_format() const {
return m_offline ? FORMAT_OFFLINE : DEFAULT_FORMAT;
}
void github_module::update_label(const int notifications) {
if (!m_label) {
return;
}
if (0 != notifications || m_empty_notifications) {
m_label->reset_tokens();
m_label->replace_token("%notifications%", to_string(notifications));
} else {
m_label->clear();
}
}
/**
* Build module content
*/
bool github_module::build(builder* builder, const string& tag) const {
if (tag == TAG_LABEL) {
builder->node(m_label);
return true;
} else if (tag == TAG_LABEL_OFFLINE) {
builder->node(m_label_offline);
return true;
}
return false;
}
} // namespace modules
POLYBAR_NS_END