fix: 🐛 fixed issue in both back and frontend that would prevent geojson data from beeing loaded
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@ -6,7 +6,7 @@ from geojson import Feature, LineString
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from geopy.distance import geodesic
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from errors.NotFoundException import NotFoundError
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from modules.geoObjects import Track, Waypoint
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from modules.geoObjects import Driver, Track, Vehicle, Waypoint
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class GPXHandler:
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__dbSession: Session
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@ -16,8 +16,9 @@ class GPXHandler:
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pass
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# handles converting a gpx file into usable data
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def parse(self, file, driver, vehicle):
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self.__gpx = gpxpy.parse(file)
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def parse(self, file, driver:Driver, vehicle:Vehicle):
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print(f"filename: {file}")
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self.__gpx = gpxpy.parse(open(f"./uploads/{file}"))
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if not driver:
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raise ValueError("no driver found")
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@ -34,47 +35,45 @@ class GPXHandler:
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trackName = track.name or f"Track-{datetime.now().isoformat()}" # todo using time.now might end up being misleading and to be reworked
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# initializes track values
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self.__startTime,
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self.__endTime,
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self.__trackDistance,
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self.__waypoints = None, None, 0, []
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self.startTime = None
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self.endTime = None
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self.trackDistance = 0
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self.waypoints = []
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# grab all waypoints from a track
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for segment in track.segments:
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for point in segment.points:
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self.__waypoints.append(point)
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if start_time is None or point.time < start_time:
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start_time = point.time
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if end_time is None or point.time > end_time:
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end_time = point.time
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self.waypoints.append(point)
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if self.startTime is None or point.time < self.startTime:
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self.startTime = point.time
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if self.endTime is None or point.time > self.endTime:
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self.endTime = point.time
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# calculate distance between 2 waypoints
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for i in range(1, len(self.__waypoints)):
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total_distance += self.__waypoints[i - 1].distance_3d(self.__waypoints[i])
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for i in range(1, len(self.waypoints)):
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self.trackDistance += self.waypoints[i - 1].distance_3d(self.waypoints[i])
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# push values to the database
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track = Track(
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trackName=trackName,
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vehicle=vehicle.id,
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driver=driver.id,
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date=start_time.date() if start_time else None,
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distance=total_distance,
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vehicle=vehicle,
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driver=driver,
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date=self.startTime.date() if self.startTime else None,
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distance=self.trackDistance,
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speed=0,
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start=start_time,
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end=end_time
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)
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self.__dbSession.add(track)
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self.__dbSession.commit()
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for point in self.__waypoints:
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for point in self.waypoints:
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waypoint = Waypoint(
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lat=point.latitude,
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lon=point.longitude,
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ele=point.elevation,
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speed=None,
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time=point.time,
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track=track.id
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track=track
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)
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self.__dbSession.add(waypoint)
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@ -84,10 +83,11 @@ class GPXHandler:
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def getTrack(self, trackID):
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track = self.__dbSession.query(Track).filter_by(id=trackID).first()
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if not track:
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raise NotFoundError(f"track with id {trackID} not found")
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raise NotFoundError(f"track with id {trackID} not found", errors=[])
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# fetches waypoints for a given track and converts them into geoJSON
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waypoints = self.__dbSession.query(Waypoint).filter_by(track=track.id).all()
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waypoints = track.waypoints
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coordinates = [(wp.lon, wp.lat) for wp in waypoints]
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feature = Feature(geometry=LineString(coordinates))
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return feature
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@ -109,8 +109,8 @@ class GPXHandler:
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# "name": track.vehicle.name
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# } if track.vehicle else None,
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# "distance": track.distance,
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# "start_time": track.start.isoformat() if track.start else None,
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# "end_time": track.end.isoformat() if track.end else None,
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# "startTime": track.start.isoformat() if track.start else None,
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# "endTime": track.end.isoformat() if track.end else None,
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}
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for track in tracks # iterates all tracks and appends them to the list
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]
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@ -134,7 +134,7 @@ class GPXHandler:
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"name": track.vehicle.name
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} if track.vehicle else None,
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"distance": track.distance,
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"start_time": track.start.isoformat() if track.start else None,
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"startTime": track.start.isoformat() if track.start else None,
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"end_time": track.end.isoformat() if track.end else None,
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}
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for track in tracks # iterates all tracks and appends them to the list
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