[trails] Add auto GPX and FIT file importing

poetry.lock

@@ -1796,6 +1796,17 @@ files = [
 packaging = ">=20"
 platformdirs = ">=4.3.6"
 
+[[package]]
+name = "fitparse"
+version = "1.2.0"
+description = "Python library to parse ANT/Garmin .FIT files"
+optional = false
+python-versions = "*"
+groups = ["main"]
+files = [
+    {file = "fitparse-1.2.0.tar.gz", hash = "sha256:2d691022452dea6dabad13cc6e017ca467fe8a3a895cd3ac67a50a7bb716b4a9"},
+]
+
 [[package]]
 name = "flake8"
 version = "7.3.0"
@@ -1953,6 +1964,18 @@ files = [
     {file = "frozenlist-1.8.0.tar.gz", hash = "sha256:3ede829ed8d842f6cd48fc7081d7a41001a56f1f38603f9d49bf3020d59a31ad"},
 ]
 
+[[package]]
+name = "gpxpy"
+version = "1.6.2"
+description = "GPX file parser and GPS track manipulation library"
+optional = false
+python-versions = ">=3.6"
+groups = ["main"]
+files = [
+    {file = "gpxpy-1.6.2-py3-none-any.whl", hash = "sha256:289bc2d80f116c988d0a1e763fda22838f83005573ece2bbc6521817b26fb40a"},
+    {file = "gpxpy-1.6.2.tar.gz", hash = "sha256:a72c484b97ec42b80834353b029cc8ee1b79f0ffca1179b2210bb3baf26c01ae"},
+]
+
 [[package]]
 name = "gunicorn"
 version = "20.1.0"
@@ -5981,4 +6004,4 @@ cffi = ["cffi (>=1.17,<2.0) ; platform_python_implementation != \"PyPy\" and pyt
 [metadata]
 lock-version = "2.1"
 python-versions = ">=3.11,<3.14"
-content-hash = "40ffa724f63298ca37279d7f72dc541f372d02244481c225fa748940da8ab468"
+content-hash = "395bc627d9e2fa0434082fc574693e349cf0c604c47e8554b9a50a28bdd273d0"

pyproject.toml

@@ -59,6 +59,8 @@ feedparser = "^6.0.12"
 titlecase = "^2.4.1"
 bgg-api = "^1.1.13"
 recipe-scrapers = "^15.11.0"
+gpxpy = "^1.6.2"
+fitparse = "^1.2.0"
 
 [tool.poetry.group.test]
 optional = true

tests/trails_tests/test_gpx_importer.py

@@ -0,0 +1,161 @@
+import os
+import tempfile
+from datetime import timedelta
+
+import pytest
+from django.contrib.auth import get_user_model
+from django.core.files import File
+
+from locations.models import GeoLocation
+from scrobbles.importers.trail_gpx import (
+    import_trail_gpx,
+    parse_trackpoints,
+)
+from scrobbles.models import Scrobble, TrailGPXImport
+from trails.models import Trail
+
+User = get_user_model()
+
+SAMPLE_GPX = os.path.join(
+    os.path.dirname(__file__), "..", "..", "data", "sample_trail.gpx"
+)
+
+
+@pytest.fixture
+def user(db):
+    return User.objects.create(email="trailblazer@example.com")
+
+
+@pytest.fixture
+def sample_gpx_path():
+    return SAMPLE_GPX
+
+
+class TestParseTrackpoints:
+    def test_parses_gpx(self, sample_gpx_path):
+        points, name = parse_trackpoints(sample_gpx_path)
+        assert len(points) == 837
+        assert name == "Morning Run ⛅"
+        lat, lon, ele, t = points[0]
+        assert round(lat, 6) == 34.190598
+        assert round(lon, 6) == -118.844015
+        assert ele == 305.3
+        assert t is not None
+
+    def test_first_and_last_times(self, sample_gpx_path):
+        points, _ = parse_trackpoints(sample_gpx_path)
+        first_time = points[0][3]
+        last_time = points[-1][3]
+        duration = (last_time - first_time).total_seconds()
+        assert duration == pytest.approx(3770, abs=5)
+
+
+class TestImportTrailGPX:
+    def test_creates_trail(self, user, sample_gpx_path):
+        import_trail_gpx(sample_gpx_path, user.id)
+        assert Trail.objects.filter(title="Morning Run ⛅").exists()
+
+    def test_creates_geolocation(self, user, sample_gpx_path):
+        import_trail_gpx(sample_gpx_path, user.id)
+        assert GeoLocation.objects.filter(lat=34.190598, lon=-118.844015).exists()
+
+    def test_sets_trailhead(self, user, sample_gpx_path):
+        import_trail_gpx(sample_gpx_path, user.id)
+        trail = Trail.objects.filter(title="Morning Run ⛅").first()
+        assert trail.trailhead_location is not None
+        assert round(trail.trailhead_location.lat, 6) == 34.190598
+
+    def test_creates_scrobble(self, user, sample_gpx_path):
+        import_trail_gpx(sample_gpx_path, user.id)
+        assert Scrobble.objects.filter(source="GPX Import").count() == 1
+
+    def test_scrobble_timestamps(self, user, sample_gpx_path):
+        import_trail_gpx(sample_gpx_path, user.id)
+        scrobble = Scrobble.objects.filter(source="GPX Import").first()
+        assert scrobble.timestamp.isoformat().startswith("2022-06-05T13:55:09")
+        assert scrobble.stop_timestamp.isoformat().startswith("2022-06-05T14:57:59")
+        assert scrobble.media_type == Scrobble.MediaType.TRAIL
+
+    def test_scrobble_has_trail_fk(self, user, sample_gpx_path):
+        import_trail_gpx(sample_gpx_path, user.id)
+        scrobble = Scrobble.objects.filter(source="GPX Import").first()
+        assert scrobble.trail is not None
+        assert scrobble.trail.title == "Morning Run ⛅"
+
+    def test_scrobble_has_gpx_file(self, user, sample_gpx_path):
+        import_trail_gpx(sample_gpx_path, user.id)
+        scrobble = Scrobble.objects.filter(source="GPX Import").first()
+        assert scrobble.gpx_file
+        assert scrobble.gpx_file.name.endswith(".gpx")
+
+    def test_lookup_existing_trail_by_trailhead(self, user, sample_gpx_path):
+        geo = GeoLocation.objects.create(lat=34.190598, lon=-118.844015)
+        trail = Trail.objects.create(title="Existing Trail", trailhead_location=geo)
+        import_trail_gpx(sample_gpx_path, user.id)
+        scrobble = Scrobble.objects.filter(source="GPX Import").first()
+        assert scrobble.trail.id == trail.id
+
+    def test_dedup(self, user, sample_gpx_path):
+        import_trail_gpx(sample_gpx_path, user.id)
+        import_trail_gpx(sample_gpx_path, user.id)
+        assert Scrobble.objects.filter(source="GPX Import").count() == 1
+
+
+class TestTrailGPXImportModel:
+    def test_create_import_model(self, db, user, sample_gpx_path):
+        imp = TrailGPXImport.objects.create(
+            user=user,
+            original_filename="test_trail.gpx",
+        )
+        assert imp.uuid is not None
+        assert imp.import_type == "Trail GPX"
+
+    @pytest.mark.django_db(transaction=True)
+    def test_process_via_model(self, user, sample_gpx_path):
+        imp = TrailGPXImport.objects.create(
+            user=user,
+            original_filename="Morning Run.gpx",
+        )
+        with open(sample_gpx_path, "rb") as f:
+            imp.gpx_file.save("Morning Run.gpx", File(f), save=True)
+        imp.process()
+        imp.refresh_from_db()
+        assert imp.process_count == 1
+        assert imp.processed_finished is not None
+
+
+class TestFindByTrailhead:
+    def test_exact_match(self, db):
+        geo = GeoLocation.objects.create(lat=34.190598, lon=-118.844015)
+        trail = Trail.objects.create(title="Test Trail", trailhead_location=geo)
+        found = Trail.find_by_trailhead(34.190598, -118.844015)
+        assert found == trail
+
+    def test_within_tolerance(self, db):
+        geo = GeoLocation.objects.create(lat=34.190598, lon=-118.844015)
+        trail = Trail.objects.create(title="Nearby Trail", trailhead_location=geo)
+        found = Trail.find_by_trailhead(34.191000, -118.844000, tolerance_m=100)
+        assert found == trail
+
+    def test_beyond_tolerance(self, db):
+        geo = GeoLocation.objects.create(lat=34.190598, lon=-118.844015)
+        Trail.objects.create(title="Far Trail", trailhead_location=geo)
+        found = Trail.find_by_trailhead(34.200000, -118.850000, tolerance_m=50)
+        assert found is None
+
+    def test_no_trailhead_returns_none(self, db):
+        Trail.objects.create(title="No Location")
+        found = Trail.find_by_trailhead(34.190598, -118.844015)
+        assert found is None
+
+
+class TestFindOrCreate:
+    def test_find_existing(self, db):
+        Trail.objects.create(title="Existing Trail")
+        trail = Trail.find_or_create("Existing Trail")
+        assert trail.title == "Existing Trail"
+
+    def test_create_new(self, db):
+        trail = Trail.find_or_create("New Trail")
+        assert trail.title == "New Trail"
+        assert Trail.objects.count() == 1

vrobbler/apps/scrobbles/admin.py

@@ -7,6 +7,7 @@ from scrobbles.models import (
     RetroarchImport,
     ScaleCSVImport,
     Scrobble,
+    TrailGPXImport,
 )
 from scrobbles.mixins import Genre
 
@@ -83,6 +84,11 @@ class ScaleCSVImportAdmin(ImportBaseAdmin):
     ...
 
 
+@admin.register(TrailGPXImport)
+class TrailGPXImportAdmin(ImportBaseAdmin):
+    ...
+
+
 @admin.register(Genre)
 class GenreAdmin(admin.ModelAdmin):
     list_display = (

vrobbler/apps/scrobbles/importers/trail_gpx.py

@@ -0,0 +1,178 @@
+import logging
+import os
+import tempfile
+from datetime import timezone as dt_timezone
+from typing import Optional
+
+from django.contrib.auth import get_user_model
+from django.core.files import File
+
+from locations.models import GeoLocation
+from scrobbles.models import Scrobble
+from trails.models import Trail
+
+logger = logging.getLogger(__name__)
+
+User = get_user_model()
+
+
+def parse_trackpoints(file_path):
+    _, ext = os.path.splitext(file_path)
+    ext = ext.lower()
+
+    if ext == ".gpx":
+        return _parse_gpx(file_path)
+    elif ext == ".fit":
+        return _parse_fit(file_path)
+    else:
+        raise ValueError(f"Unsupported file type: {ext}")
+
+
+def _parse_gpx(file_path):
+    import gpxpy
+
+    with open(file_path) as f:
+        gpx = gpxpy.parse(f)
+
+    track_name = None
+    points = []
+    for track in gpx.tracks:
+        if track.name and not track_name:
+            track_name = track.name
+        for seg in track.segments:
+            for pt in seg.points:
+                points.append((pt.latitude, pt.longitude, pt.elevation, pt.time))
+    return points, track_name or os.path.splitext(os.path.basename(file_path))[0]
+
+
+def _parse_fit(file_path):
+    import fitparse
+
+    fitfile = fitparse.FitFile(file_path)
+    messages = list(fitfile.get_messages("record"))
+
+    points = []
+    track_name = os.path.splitext(os.path.basename(file_path))[0]
+
+    for msg in messages:
+        lat = None
+        lon = None
+        ele = None
+        t = None
+        for field in msg:
+            if field.name == "position_lat":
+                lat = field.value * (180.0 / (2**31)) if field.value else None
+            elif field.name == "position_long":
+                lon = field.value * (180.0 / (2**31)) if field.value else None
+            elif field.name == "altitude":
+                ele = field.value
+            elif field.name == "timestamp":
+                t = field.value.replace(tzinfo=dt_timezone.utc) if field.value else None
+        if lat is not None and lon is not None:
+            points.append((lat, lon, ele, t))
+
+    session_msgs = list(fitfile.get_messages("session"))
+    for msg in session_msgs:
+        for field in msg:
+            if field.name == "sport":
+                track_name = str(field.value)
+                break
+
+    return points, track_name
+
+
+def convert_fit_to_gpx(file_path):
+    import gpxpy.gpx
+
+    points, track_name = _parse_fit(file_path)
+    gpx = gpxpy.gpx.GPX()
+    gpx_track = gpxpy.gpx.GPXTrack(name=track_name)
+    gpx.tracks.append(gpx_track)
+    gpx_seg = gpxpy.gpx.GPXTrackSegment()
+    gpx_track.segments.append(gpx_seg)
+
+    for lat, lon, ele, t in points:
+        gpx_seg.points.append(gpxpy.gpx.GPXTrackPoint(lat, lon, elevation=ele, time=t))
+
+    tmp = tempfile.NamedTemporaryFile(mode="w", suffix=".gpx", delete=False)
+    tmp.write(gpx.to_xml())
+    tmp.close()
+    return tmp.name
+
+
+def import_trail_gpx(file_path, user_id, original_filename=None):
+    user = User.objects.get(id=user_id)
+    new_scrobbles = []
+
+    points, track_name = parse_trackpoints(file_path)
+
+    if not points:
+        logger.warning(f"No trackpoints found in {file_path}")
+        return []
+
+    first_lat, first_lon, _, first_time = points[0]
+    _, _, _, last_time = points[-1]
+
+    if first_time is None:
+        logger.warning(f"No timestamps in {file_path}")
+        return []
+
+    geo, _ = GeoLocation.objects.get_or_create(
+        lat=round(first_lat, 6),
+        lon=round(first_lon, 6),
+        defaults={"altitude": None},
+    )
+
+    trail = Trail.find_by_trailhead(first_lat, first_lon, tolerance_m=100)
+    if not trail:
+        trail = Trail.find_or_create(track_name)
+        trail.trailhead_location = geo
+        trail.save(update_fields=["trailhead_location"])
+
+    timestamp = first_time
+    stop_timestamp = last_time
+
+    existing = Scrobble.objects.filter(
+        timestamp=timestamp,
+        trail=trail,
+        user=user,
+    ).first()
+    if existing:
+        logger.debug(f"Skipping existing scrobble for trail {trail}")
+        return []
+
+    scrobble = Scrobble(
+        user=user,
+        timestamp=timestamp,
+        stop_timestamp=stop_timestamp,
+        source="GPX Import",
+        trail=trail,
+        log={},
+        played_to_completion=True,
+        in_progress=False,
+        media_type=Scrobble.MediaType.TRAIL,
+    )
+
+    _, ext = os.path.splitext(file_path)
+    if ext.lower() == ".fit":
+        gpx_path = convert_fit_to_gpx(file_path)
+        with open(gpx_path, "rb") as f:
+            scrobble.gpx_file.save(
+                f"{original_filename or 'trail'}.gpx",
+                File(f),
+                save=False,
+            )
+        os.unlink(gpx_path)
+    else:
+        with open(file_path, "rb") as f:
+            scrobble.gpx_file.save(
+                original_filename or os.path.basename(file_path),
+                File(f),
+                save=False,
+            )
+
+    new_scrobbles.append(scrobble)
+
+    created = Scrobble.objects.bulk_create(new_scrobbles)
+    logger.info(f"Created {len(created)} trail scrobbles")
+    return created

vrobbler/apps/scrobbles/importers/webdav.py

@@ -1,9 +1,11 @@
 import logging
+import os
+import tempfile
 
 from books.koreader import fetch_file_from_webdav
 from profiles.models import UserProfile
-from scrobbles.models import KoReaderImport
-from scrobbles.tasks import process_koreader_import
+from scrobbles.models import KoReaderImport, TrailGPXImport
+from scrobbles.tasks import process_koreader_import, process_trail_gpx_import
 from scrobbles.utils import get_file_md5_hash
 from webdav.client import get_webdav_client
 
@@ -13,7 +15,6 @@ logger = logging.getLogger(__name__)
 def import_from_webdav_for_all_users(restart=False):
     """Grab a list of all users with WebDAV enabled and kickoff imports for them"""
 
-    # WebDavImport = apps.get_model("scrobbles", "WebDavImport")
     webdav_enabled_user_ids = UserProfile.objects.filter(
         webdav_url__isnull=False,
         webdav_user__isnull=False,
@@ -23,6 +24,7 @@ def import_from_webdav_for_all_users(restart=False):
     logger.info(f"Start import of {webdav_enabled_user_ids.count()} webdav accounts")
 
     koreader_import_count = 0
+    trail_gpx_import_count = 0
 
     for user_id in webdav_enabled_user_ids:
         webdav_client = get_webdav_client(user_id)
@@ -78,4 +80,54 @@ def import_from_webdav_for_all_users(restart=False):
 
             process_koreader_import.delay(koreader_import.id)
             koreader_import_count += 1
-    return koreader_import_count
+
+        trail_gpx_import_count += scan_webdav_for_gpx(webdav_client, user_id)
+
+    return koreader_import_count, trail_gpx_import_count
+
+
+def scan_webdav_for_gpx(webdav_client, user_id):
+    try:
+        webdav_client.info("gpx/")
+    except:
+        logger.info("No gpx/ directory on webdav", extra={"user_id": user_id})
+        return 0
+
+    try:
+        files = webdav_client.list("gpx/")
+    except Exception as e:
+        logger.warning("Could not list gpx/", extra={"user_id": user_id, "error": str(e)})
+        return 0
+
+    gpx_extensions = (".gpx", ".fit")
+    new_imports = 0
+    already_imported = set(
+        TrailGPXImport.objects.filter(user_id=user_id)
+        .values_list("original_filename", flat=True)
+    )
+
+    for fname in files:
+        fname = os.path.basename(fname)
+        if not fname.lower().endswith(gpx_extensions):
+            continue
+        if fname in already_imported:
+            logger.debug(f"Skipping already-imported {fname}")
+            continue
+
+        tmp = tempfile.NamedTemporaryFile(delete=False, suffix=fname)
+        try:
+            webdav_client.download_sync(remote_path=f"gpx/{fname}", local_path=tmp.name)
+            imp = TrailGPXImport.objects.create(
+                user_id=user_id,
+                original_filename=fname,
+            )
+            with open(tmp.name, "rb") as f:
+                imp.gpx_file.save(fname, f, save=True)
+            process_trail_gpx_import.delay(imp.id)
+            new_imports += 1
+        except Exception as e:
+            logger.error(f"Failed to import {fname}: {e}")
+        finally:
+            os.unlink(tmp.name)
+
+    return new_imports

vrobbler/apps/scrobbles/management/commands/import_from_webdav.py

@@ -14,5 +14,5 @@ class Command(BaseCommand):
         restart = False
         if options["restart"]:
             restart = True
-        count = webdav.import_from_webdav_for_all_users(restart=restart)
-        print(f"Started {count} WeDAV imports")
+        ko_count, gpx_count = webdav.import_from_webdav_for_all_users(restart=restart)
+        print(f"Started {ko_count} KOReader and {gpx_count} Trail GPX WebDAV imports")

vrobbler/apps/scrobbles/migrations/0078_trailgpximport.py

@@ -0,0 +1,74 @@
+# Generated by Django 4.2.29 on 2026-05-21 14:36
+
+from django.conf import settings
+from django.db import migrations, models
+import django.db.models.deletion
+import django_extensions.db.fields
+import scrobbles.models
+import uuid
+
+
+class Migration(migrations.Migration):
+
+    dependencies = [
+        migrations.swappable_dependency(settings.AUTH_USER_MODEL),
+        ("scrobbles", "0077_scalecsvimport"),
+    ]
+
+    operations = [
+        migrations.CreateModel(
+            name="TrailGPXImport",
+            fields=[
+                (
+                    "id",
+                    models.BigAutoField(
+                        auto_created=True,
+                        primary_key=True,
+                        serialize=False,
+                        verbose_name="ID",
+                    ),
+                ),
+                (
+                    "created",
+                    django_extensions.db.fields.CreationDateTimeField(
+                        auto_now_add=True, verbose_name="created"
+                    ),
+                ),
+                (
+                    "modified",
+                    django_extensions.db.fields.ModificationDateTimeField(
+                        auto_now=True, verbose_name="modified"
+                    ),
+                ),
+                ("uuid", models.UUIDField(default=uuid.uuid4, editable=False)),
+                ("processing_started", models.DateTimeField(blank=True, null=True)),
+                ("processed_finished", models.DateTimeField(blank=True, null=True)),
+                ("process_log", models.TextField(blank=True, null=True)),
+                ("process_count", models.IntegerField(blank=True, null=True)),
+                (
+                    "gpx_file",
+                    models.FileField(
+                        blank=True,
+                        null=True,
+                        upload_to=scrobbles.models.TrailGPXImport.get_path,
+                    ),
+                ),
+                (
+                    "original_filename",
+                    models.CharField(blank=True, max_length=255, null=True),
+                ),
+                (
+                    "user",
+                    models.ForeignKey(
+                        blank=True,
+                        null=True,
+                        on_delete=django.db.models.deletion.DO_NOTHING,
+                        to=settings.AUTH_USER_MODEL,
+                    ),
+                ),
+            ],
+            options={
+                "verbose_name": "Trail GPX Import",
+            },
+        ),
+    ]

vrobbler/apps/scrobbles/models.py

@@ -299,6 +299,48 @@ class ScaleCSVImport(BaseFileImportMixin):
         self.mark_finished()
 
 
+class TrailGPXImport(BaseFileImportMixin):
+    class Meta:
+        verbose_name = "Trail GPX Import"
+
+    @property
+    def import_type(self) -> str:
+        return "Trail GPX"
+
+    def get_absolute_url(self):
+        return reverse("scrobbles:trail-gpx-import-detail", kwargs={"slug": self.uuid})
+
+    def get_path(instance, filename):
+        extension = filename.split(".")[-1]
+        uuid = instance.uuid
+        return f"trail-gpx-uploads/{uuid}.{extension}"
+
+    @property
+    def upload_file_path(self):
+        if getattr(settings, "USE_S3_STORAGE"):
+            path = self.gpx_file.url
+        else:
+            path = self.gpx_file.path
+        return path
+
+    gpx_file = models.FileField(upload_to=get_path, **BNULL)
+    original_filename = models.CharField(max_length=255, **BNULL)
+
+    def process(self, force=False):
+        from scrobbles.importers.trail_gpx import import_trail_gpx
+
+        if self.processed_finished and not force:
+            logger.info(f"{self} already processed on {self.processed_finished}")
+            return
+
+        self.mark_started()
+        scrobbles = import_trail_gpx(
+            self.upload_file_path, self.user.id, self.original_filename
+        )
+        self.record_log(scrobbles)
+        self.mark_finished()
+
+
 class LastFmImport(BaseFileImportMixin):
     class Meta:
         verbose_name = "Last.FM Import"

vrobbler/apps/scrobbles/tasks.py

@@ -133,6 +133,16 @@ def process_koreader_import(import_id):
     koreader_import.process()
 
 
+@shared_task
+def process_trail_gpx_import(import_id):
+    TrailGPXImport = apps.get_model("scrobbles", "TrailGPXImport")
+    trail_gpx_import = TrailGPXImport.objects.filter(id=import_id).first()
+    if not trail_gpx_import:
+        logger.warn(f"TrailGPXImport not found with id {import_id}")
+        return
+    trail_gpx_import.process()
+
+
 @shared_task
 def create_yesterdays_charts():
     """Build/update charts for all users starting from last known record."""

vrobbler/apps/scrobbles/urls.py

@@ -62,6 +62,11 @@ urlpatterns = [
         views.ScaleCSVImportCreateView.as_view(),
         name="scale-csv-upload",
     ),
+    path(
+        "upload/trail-gpx/",
+        views.TrailGPXImportCreateView.as_view(),
+        name="trail-gpx-upload",
+    ),
     path(
         "lastfm-import/",
         views.lastfm_import,
@@ -126,6 +131,11 @@ urlpatterns = [
         views.ScrobbleScaleCSVImportDetailView.as_view(),
         name="scale-csv-import-detail",
     ),
+    path(
+        "imports/trail-gpx/<slug:slug>/",
+        views.ScrobbleTrailGPXImportDetailView.as_view(),
+        name="trail-gpx-import-detail",
+    ),
     path(
         "long-plays/",
         views.ScrobbleLongPlaysView.as_view(),

vrobbler/apps/scrobbles/views.py

@@ -74,11 +74,13 @@ from scrobbles.models import (
     RetroarchImport,
     ScaleCSVImport,
     Scrobble,
+    TrailGPXImport,
 )
 from scrobbles.scrobblers import *
 from scrobbles.tasks import (
     process_koreader_import,
     process_lastfm_import,
+    process_trail_gpx_import,
     process_tsv_import,
 )
 from scrobbles.utils import (
@@ -465,6 +467,9 @@ class ScrobbleImportListView(TemplateView):
         context_data["scale_csv_imports"] = ScaleCSVImport.objects.filter(
             user=self.request.user,
         ).order_by("-processing_started")[:10]
+        context_data["trail_gpx_imports"] = TrailGPXImport.objects.filter(
+            user=self.request.user,
+        ).order_by("-processing_started")[:10]
         return context_data
 
 
@@ -488,6 +493,8 @@ class BaseScrobbleImportDetailView(DetailView):
             title = "Retroarch Import"
         if self.model == ScaleCSVImport:
             title = "Scale CSV Import"
+        if self.model == TrailGPXImport:
+            title = "Trail GPX Import"
         context_data["title"] = title
         return context_data
 
@@ -512,6 +519,10 @@ class ScrobbleScaleCSVImportDetailView(BaseScrobbleImportDetailView):
     model = ScaleCSVImport
 
 
+class ScrobbleTrailGPXImportDetailView(BaseScrobbleImportDetailView):
+    model = TrailGPXImport
+
+
 class ManualScrobbleView(FormView):
     form_class = ScrobbleForm
     template_name = "scrobbles/manual_form.html"
@@ -600,6 +611,23 @@ class ScaleCSVImportCreateView(
         return HttpResponseRedirect(self.request.META.get("HTTP_REFERER"))
 
 
+class TrailGPXImportCreateView(
+    LoginRequiredMixin, JsonableResponseMixin, CreateView
+):
+    model = TrailGPXImport
+    fields = ["gpx_file"]
+    template_name = "scrobbles/upload_form.html"
+    success_url = reverse_lazy("vrobbler-home")
+
+    def form_valid(self, form):
+        self.object = form.save(commit=False)
+        self.object.user = self.request.user
+        self.object.original_filename = form.cleaned_data["gpx_file"].name
+        self.object.save()
+        process_trail_gpx_import.delay(self.object.id)
+        return HttpResponseRedirect(self.request.META.get("HTTP_REFERER"))
+
+
 @api_view(["GET"])
 @permission_classes([IsAuthenticated])
 def lastfm_import(request):

vrobbler/apps/trails/models.py

@@ -1,4 +1,5 @@
 from dataclasses import dataclass
+from math import asin, cos, radians, sin, sqrt
 from typing import Optional
 
 from django.apps import apps
@@ -12,6 +13,14 @@ from scrobbles.mixins import ScrobblableConstants, ScrobblableMixin
 BNULL = {"blank": True, "null": True}
 
 
+def haversine(lat1, lon1, lat2, lon2):
+    R = 6371000
+    dlat = radians(lat2 - lat1)
+    dlon = radians(lon2 - lon1)
+    a = sin(dlat / 2) ** 2 + cos(radians(lat1)) * cos(radians(lat2)) * sin(dlon / 2) ** 2
+    return R * 2 * asin(sqrt(a))
+
+
 @dataclass
 class TrailLogData(BaseLogData, WithPeopleLogData):
     effort: Optional[str] = None
@@ -68,7 +77,25 @@ class Trail(ScrobblableMixin):
 
     @classmethod
     def find_or_create(cls, title: str) -> "Trail":
-        return cls.objects.filter(title=title).first()
+        trail = cls.objects.filter(title__iexact=title).first()
+        if not trail:
+            trail = cls.objects.create(title=title)
+        return trail
+
+    @classmethod
+    def find_by_trailhead(cls, lat, lon, tolerance_m=100):
+        candidates = cls.objects.filter(
+            trailhead_location__isnull=False,
+        ).select_related("trailhead_location")
+        best = None
+        best_dist = float("inf")
+        for trail in candidates:
+            loc = trail.trailhead_location
+            d = haversine(lat, lon, loc.lat, loc.lon)
+            if d < best_dist and d <= tolerance_m:
+                best = trail
+                best_dist = d
+        return best
 
     def scrobbles(self, user_id):
         Scrobble = apps.get_model("scrobbles", "Scrobble")

vrobbler/templates/scrobbles/import_list.html

@@ -160,4 +160,35 @@
         <input type="submit" value="Import Scale CSV">
     </form>
 </div>
+
+<div class="row">
+    <h3>Trail GPX</h3>
+    {% if trail_gpx_imports %}
+    <div class="table-responsive">
+        <table class="table table-striped table-sm">
+            <thead>
+                <tr>
+                    <th scope="col">Started</th>
+                    <th scope="col">Finished</th>
+                    <th scope="col">Scrobbles</th>
+                </tr>
+            </thead>
+            <tbody>
+                {% for obj in trail_gpx_imports %}
+                <tr>
+                    <td><a href="{{obj.get_absolute_url}}">{{obj.human_start}}</a></td>
+                    <td>{{obj.processed_finished}}</td>
+                    <td>{{obj.process_count}}</td>
+                </tr>
+                {% endfor %}
+            </tbody>
+        </table>
+    </div>
+    {% endif %}
+    <form action="{% url 'scrobbles:trail-gpx-upload' %}" method="post" enctype="multipart/form-data" style="margin-top: 10px;">
+        {% csrf_token %}
+        <input type="file" name="gpx_file" accept=".gpx,.fit" required>
+        <input type="submit" value="Import Trail GPX">
+    </form>
+</div>
 {% endblock %}