Remove boost dependency from airmap public interface

QGCExternalLibs.pri

@@ -153,28 +153,23 @@ contains (DEFINES, DISABLE_AIRMAP) {
     message("Skipping support for AirMap (manual override from user_config.pri)")
 } else {
     AIRMAPD_PATH = $$PWD/libs/airmapd
-    # Temporary until we get rid of boost
-    exists($${AIRMAPD_PATH}/include/boost) {
-        MacBuild|iOSBuild {
-            exists($${AIRMAPD_PATH}/macOS/Qt.5.9) {
-                message("Including support for AirMap for macOS")
-                LIBS += -L$${AIRMAPD_PATH}/macOS/Qt.5.9 -lairmap-qt
-                DEFINES += QGC_AIRMAP_ENABLED
-            }
-        } else:LinuxBuild {
-            exists($${AIRMAPD_PATH}/linux/Qt.5.9) {
-                message("Including support for AirMap for Linux")
-                LIBS += -L$${AIRMAPD_PATH}/linux/Qt.5.9 -lairmap-qt
-                DEFINES += QGC_AIRMAP_ENABLED
-            }
-        } else {
-            message("Skipping support for Airmap (unsupported platform)")
+    MacBuild|iOSBuild {
+        exists($${AIRMAPD_PATH}/macOS/Qt.5.9) {
+            message("Including support for AirMap for macOS")
+            LIBS += -L$${AIRMAPD_PATH}/macOS/Qt.5.9 -lairmap-qt
+            DEFINES += QGC_AIRMAP_ENABLED
         }
-        contains (DEFINES, QGC_AIRMAP_ENABLED) {
-            INCLUDEPATH += \
-                $${AIRMAPD_PATH}/include
+    } else:LinuxBuild {
+        exists($${AIRMAPD_PATH}/linux/Qt.5.9) {
+            message("Including support for AirMap for Linux")
+            LIBS += -L$${AIRMAPD_PATH}/linux/Qt.5.9 -lairmap-qt
+            DEFINES += QGC_AIRMAP_ENABLED
         }
     } else {
-        message("Missing boost for AirMap. Excluding AirMap support")
+        message("Skipping support for Airmap (unsupported platform)")
+    }
+    contains (DEFINES, QGC_AIRMAP_ENABLED) {
+        INCLUDEPATH += \
+            $${AIRMAPD_PATH}/include
     }
 }

libs/airmapd/include/airmap/date_time.h

@@ -1,45 +1,141 @@
 #ifndef AIRMAP_DATE_TIME_H_
 #define AIRMAP_DATE_TIME_H_
 
-#include <boost/date_time.hpp>
-#include <boost/date_time/posix_time/posix_time.hpp>
-
-#include <cstdint>
 #include <memory>
 #include <string>
 
 namespace airmap {
+class DateTime;
+template <typename Tag>
+class Duration;
+
+namespace detail {
+class Duration;
+}  // namespace detail
+
+namespace tag {
+
+struct Hours {};
+struct Minutes {};
+struct Seconds {};
+struct Milliseconds {};
+struct Microseconds {};
+
+}  // namespace tag
+
+using Hours        = Duration<tag::Hours>;
+using Minutes      = Duration<tag::Minutes>;
+using Seconds      = Duration<tag::Seconds>;
+using Milliseconds = Duration<tag::Milliseconds>;
+using Microseconds = Duration<tag::Microseconds>;
 
 /// Clock marks the reference for time measurements.
-using Clock = boost::posix_time::microsec_clock;
+class Clock {
+ public:
+  static DateTime universal_time();
+  static DateTime local_time();
+};
+
+namespace boost_iso {
+
+DateTime datetime(const std::string &iso_time);
+std::string to_iso_string(const DateTime &);
+
+}  // namespace boost_iso
+
 /// DateTime marks a specific point in time, in reference to Clock.
-using DateTime     = boost::posix_time::ptime;
-using Hours        = boost::posix_time::hours;
-using Minutes      = boost::posix_time::minutes;
-using Seconds      = boost::posix_time::seconds;
-using Milliseconds = boost::posix_time::milliseconds;
-using Microseconds = boost::posix_time::microseconds;
+class DateTime {
+ public:
+  DateTime();
+  ~DateTime();
+  DateTime(DateTime const &);
+  DateTime(DateTime &&);
+  DateTime &operator=(const DateTime &);
+  DateTime &operator=(DateTime &&);
+
+  DateTime operator+(const detail::Duration &) const;
+  Microseconds operator-(const DateTime &) const;
+  bool operator==(const DateTime &) const;
+  bool operator!=(const DateTime &) const;
+
+  friend std::istream &operator>>(std::istream &, DateTime &);
+  friend std::ostream &operator<<(std::ostream &, const DateTime &);
+
+  DateTime date() const;
+  Microseconds time_of_day() const;
+
+ private:
+  struct Impl;
+  std::unique_ptr<Impl> impl;
+
+  explicit DateTime(std::unique_ptr<Impl> &&);
+  friend DateTime Clock::universal_time();
+  friend DateTime Clock::local_time();
+  friend DateTime boost_iso::datetime(const std::string &iso_time);
+  friend std::string boost_iso::to_iso_string(const DateTime &datetime);
+};
+
+Hours hours(int64_t raw);
+Minutes minutes(int64_t raw);
+Seconds seconds(int64_t raw);
+Milliseconds milliseconds(int64_t raw);
+Microseconds microseconds(int64_t raw);
+
+namespace detail {
+
+class Duration {
+ public:
+  Duration();
+  ~Duration();
+  Duration(Duration const &old);
+  Duration &operator=(const Duration &);
+
+  uint64_t total_seconds() const;
+  uint64_t total_milliseconds() const;
+  uint64_t total_microseconds() const;
+
+  uint64_t hours() const;
+
+ private:
+  struct Impl;
+  std::unique_ptr<Impl> impl;
+
+  friend DateTime DateTime::operator+(const detail::Duration &) const;
+  friend Microseconds DateTime::operator-(const DateTime &) const;
+  friend Microseconds DateTime::time_of_day() const;
+
+  friend Hours airmap::hours(int64_t raw);
+  friend Minutes airmap::minutes(int64_t raw);
+  friend Seconds airmap::seconds(int64_t raw);
+  friend Milliseconds airmap::milliseconds(int64_t raw);
+  friend Microseconds airmap::microseconds(int64_t raw);
+};
+
+}  // namespace detail
+
+template <typename Tag>
+class Duration : public detail::Duration {};
 
 /// milliseconds_since_epoch returns the milliseconds that elapsed since the UNIX epoch.
-std::uint64_t milliseconds_since_epoch(const DateTime& dt);
+uint64_t milliseconds_since_epoch(const DateTime &dt);
 /// microseconds_since_epoch returns the microseconds that elapsed since the UNIX epoch.
-std::uint64_t microseconds_since_epoch(const DateTime& dt);
+uint64_t microseconds_since_epoch(const DateTime &dt);
 /// from_seconds_since_epoch returns a DateTime.
-DateTime from_seconds_since_epoch(const Seconds& s);
+DateTime from_seconds_since_epoch(const Seconds &s);
 /// from_milliseconds_since_epoch returns a DateTime.
-DateTime from_milliseconds_since_epoch(const Milliseconds& ms);
+DateTime from_milliseconds_since_epoch(const Milliseconds &ms);
 /// from_microseconds_since_epoch returns a DateTime.
-DateTime from_microseconds_since_epoch(const Microseconds& us);
+DateTime from_microseconds_since_epoch(const Microseconds &us);
 
 // moves the datetime forward to the specified hour
-DateTime move_to_hour(const DateTime& dt, int hour);
+DateTime move_to_hour(const DateTime &dt, uint64_t hour);
 
 namespace iso8601 {
 
 /// parse parses a DateTime instance from the string s in iso8601 format.
-DateTime parse(const std::string& s);
+DateTime parse(const std::string &s);
 /// generate returns a string in iso8601 corresponding to 'dt'.
-std::string generate(const DateTime& dt);
+std::string generate(const DateTime &dt);
 
 }  // namespace iso8601
 

src/Airmap/AirMapAdvisoryManager.cc

@@ -11,6 +11,7 @@
 #include "AirspaceRestriction.h"
 #include "AirMapManager.h"
 
+#include <cmath>
 #include <QTimer>
 
 #include "airmap/airspaces.h"
@@ -73,7 +74,7 @@ AirMapAdvisoryManager::_requestAdvisories()
     params.types     = Airspace::Type::all;
     params.weather   = false;
     double diagonal  = _lastROI.pointNW.distanceTo(_lastROI.pointSE);
-    params.buffer    = fmax(fmin(diagonal, 10000.0), 500.0);
+    params.buffer    = std::fmax(std::fmin(diagonal, 10000.0), 500.0);
     params.flight_date_time = Clock::universal_time();
     std::weak_ptr<LifetimeChecker> isAlive(_instance);
     _shared.client()->status().get_status_by_point(params, [this, isAlive](const Status::GetStatus::Result& result) {

src/Airmap/AirMapFlightPlanManager.cc

@@ -137,13 +137,13 @@ void
 AirMapFlightPlanManager::setFlightStartTime(QDateTime start)
 {
     quint64 startt = start.toUTC().toMSecsSinceEpoch();
-    if(_flightPlan.start_time != airmap::from_milliseconds_since_epoch(airmap::Milliseconds{(long long)startt})) {
+    if(_flightPlan.start_time != airmap::from_milliseconds_since_epoch(airmap::milliseconds((long long)startt))) {
         //-- Can't start in the past
         if(start < QDateTime::currentDateTime()) {
             start = QDateTime::currentDateTime().addSecs(5 * 60);
             startt = start.toUTC().toMSecsSinceEpoch();
         }
-        _flightPlan.start_time = airmap::from_milliseconds_since_epoch(airmap::Milliseconds{(long long)startt});
+        _flightPlan.start_time = airmap::from_milliseconds_since_epoch(airmap::milliseconds((long long)startt));
         emit flightStartTimeChanged();
     }
 }
@@ -153,13 +153,13 @@ void
 AirMapFlightPlanManager::setFlightEndTime(QDateTime end)
 {
     quint64 endt = end.toUTC().toMSecsSinceEpoch();
-    if(_flightPlan.end_time != airmap::from_milliseconds_since_epoch(airmap::Milliseconds{(long long)endt})) {
+    if(_flightPlan.end_time != airmap::from_milliseconds_since_epoch(airmap::milliseconds((long long)endt))) {
         //-- End has to be after start
         if(end < flightStartTime()) {
             end = flightStartTime().addSecs(30 * 60);
             endt = end.toUTC().toMSecsSinceEpoch();
         }
-        _flightPlan.end_time = airmap::from_milliseconds_since_epoch(airmap::Milliseconds{(long long)endt});
+        _flightPlan.end_time = airmap::from_milliseconds_since_epoch(airmap::milliseconds((long long)endt));
         emit flightEndTimeChanged();
     }
 }
@@ -488,8 +488,8 @@ AirMapFlightPlanManager::_uploadFlightPlan()
         params.pilot.id     = _pilotID.toStdString();
         quint64 start       = QDateTime::currentDateTimeUtc().toMSecsSinceEpoch();
         quint64 end         = start + 60 * 30 * 1000;
-        params.start_time   = airmap::from_milliseconds_since_epoch(airmap::Milliseconds{(long long)start});
-        params.end_time     = airmap::from_milliseconds_since_epoch(airmap::Milliseconds{(long long)end});
+        params.start_time   = airmap::from_milliseconds_since_epoch(airmap::milliseconds((long long)start));
+        params.end_time     = airmap::from_milliseconds_since_epoch(airmap::milliseconds((long long)end));
         //-- Rules & Features
         _updateRulesAndFeatures(params.rulesets, params.features);
         //-- Geometry: polygon
@@ -856,8 +856,8 @@ AirMapFlightPlanManager::_loadFlightList()
         params.authorization = login_token.toStdString();
         quint64 start   = _rangeStart.toUTC().toMSecsSinceEpoch();
         quint64 end     = _rangeEnd.toUTC().toMSecsSinceEpoch();
-        params.start_after  = airmap::from_milliseconds_since_epoch(airmap::Milliseconds{(long long)start});
-        params.start_before = airmap::from_milliseconds_since_epoch(airmap::Milliseconds{(long long)end});
+        params.start_after  = airmap::from_milliseconds_since_epoch(airmap::milliseconds((long long)start));
+        params.start_before = airmap::from_milliseconds_since_epoch(airmap::milliseconds((long long)end));
         params.limit    = 250;
         params.pilot_id = _pilotID.toStdString();
         _shared.client()->flights().search(params, [this, isAlive](const Flights::Search::Result& result) {