Add experimental EFA support

Squashed commit of the following:

commit b7457791ab7ab4859ebf4a5ce173e1aaeed4c7fb
Author: Birte Kristina Friesel <derf@finalrewind.org>
Date:   Sun Jun 15 08:18:46 2025 +0200

    changelog

commit 7f3d61066195cfc3c83a8fc1b2fc3743e7e6171c
Author: Birte Kristina Friesel <derf@finalrewind.org>
Date:   Sat Jun 14 19:55:51 2025 +0200

    Mark EFA backends as experimental for now

    For instance, VRR has very interesting issues when checking into departures
    that do not have real-time data yet.

commit 3370c0f6c25bd6b02cc4d56e9a3aba2a66d1151a
Author: Birte Kristina Friesel <derf@finalrewind.org>
Date:   Sat Jun 14 19:49:48 2025 +0200

    InTransit: remove debug output

commit deb5444fa2965228b537e86fce862436ef2e6e19
Author: Birte Kristina Friesel <derf@finalrewind.org>
Date:   Sat Jun 14 19:12:44 2025 +0200

    frontend js for checked-in view: never show fractional delays

commit d47ff9615b551bbd844a799be7717e9e74a04266
Author: Birte Kristina Friesel <derf@finalrewind.org>
Date:   Sat Jun 14 19:12:31 2025 +0200

    worker: add EFA support

commit 3a955c0105bf13d040a821e2c87a19694202cde6
Author: Birte Kristina Friesel <derf@finalrewind.org>
Date:   Sat Jun 14 17:48:46 2025 +0200

    EFA: checkin support

    worker support and cancellations are still missing

commit 19dea1ad13029d19cba38e7d1338718149c139fb
Author: Birte Kristina Friesel <derf@finalrewind.org>
Date:   Sat Jun 14 14:32:59 2025 +0200

    actions.js: pass on efa parameter

commit 8f18ff2c8f9f906a387dbe16d372e1c4b4a6f259
Author: Birte Kristina Friesel <derf@finalrewind.org>
Date:   Sat Jun 14 14:32:48 2025 +0200

    EFA: implement geolocation lookup

commit bce1139bab9aab167cdab910fa86085529d45b80
Author: Birte Kristina Friesel <derf@finalrewind.org>
Date:   Sat Jun 14 14:32:21 2025 +0200

    EFA: ->id is no longer supported, use ->id_num

commit e4397e6b1538ddfa71da9839d6011a73fadc528f
Author: Birte Kristina Friesel <derf@finalrewind.org>
Date:   Mon Jun 9 20:34:22 2025 +0200

    ... derp

commit e0c4cbf862a8f5a7bca0b1aceab3760af94093e9
Author: Birte Kristina Friesel <derf@finalrewind.org>
Date:   Mon Jun 9 18:28:35 2025 +0200

    database: it's dbris, not ris

commit bfb1e834ce6c3171011dc20b32117065960b8771
Merge: 42f9a00 f1da50f
Author: Birte Kristina Friesel <derf@finalrewind.org>
Date:   Mon Jun 9 18:20:51 2025 +0200

    Merge branch 'main' into efa-support

commit 42f9a00d98dbd675234c05b3e25c3e722cfdd7ba
Author: Birte Kristina Friesel <derf@finalrewind.org>
Date:   Wed Jan 8 18:11:28 2025 +0100

    EFA support (WiP)

1 files changed, 159 insertions, 12 deletions

diff --git a/lib/Travelynx/Model/InTransit.pm b/lib/Travelynx/Model/InTransit.pm
index cc943b3..470b45d 100644
--- a/lib/Travelynx/Model/InTransit.pm
+++ b/lib/Travelynx/Model/InTransit.pm
@@ -110,8 +110,6 @@ sub add {
 	my $now  = DateTime->now( time_zone => 'Europe/Berlin' );
 
 	if ($train) {
-
-		# IRIS
 		$db->insert(
 			'in_transit',
 			{
@@ -142,9 +140,60 @@ sub add {
 			}
 		);
 	}
-	elsif ( $journey and $stop and $journey->can('product') ) {
-
-		# HAFAS
+	elsif ( $journey
+		and $stop
+		and ref($journey) eq 'Travel::Status::DE::EFA::Trip' )
+	{
+		my @route;
+		for my $j_stop ( $journey->route ) {
+			push(
+				@route,
+				[
+					$j_stop->full_name,
+					$j_stop->id_num,
+					{
+						sched_arr => _epoch( $j_stop->sched_arr ),
+						sched_dep => _epoch( $j_stop->sched_dep ),
+						rt_arr    => _epoch( $j_stop->rt_arr ),
+						rt_dep    => _epoch( $j_stop->rt_dep ),
+						arr_delay => $j_stop->arr_delay,
+						dep_delay => $j_stop->dep_delay,
+						efa_load  => $j_stop->occupancy,
+						lat       => $j_stop->latlon->[0],
+						lon       => $j_stop->latlon->[1],
+					}
+				]
+			);
+		}
+		$db->insert(
+			'in_transit',
+			{
+				user_id            => $uid,
+				cancelled          => 0,                                  # TODO
+				checkin_station_id => $stop->id_num,
+				checkin_time       => $now,
+				dep_platform       => $stop->platform,
+				train_type         => $journey->type // q{},
+				train_line         => $journey->line,
+				train_no           => $journey->number // q{},
+				train_id           => $opt{trip_id},
+				sched_departure    => $stop->sched_dep,
+				real_departure     => $stop->rt_dep // $stop->sched_dep,
+				route              => $json->encode( \@route ),
+				data               => JSON->new->encode(
+					{
+						rt => $stop->rt_dep ? 1 : 0,
+						%{ $data // {} }
+					}
+				),
+				backend_id => $backend_id,
+			}
+		);
+	}
+	elsif ( $journey
+		and $stop
+		and ref($journey) eq 'Travel::Status::DE::HAFAS::Journey' )
+	{
 		my @route;
 		my $product = $journey->product_at( $stop->loc->eva )
 		  // $journey->product;
@@ -198,9 +247,10 @@ sub add {
 			}
 		);
 	}
-	elsif ( $journey and $stop ) {
-
-		# DBRIS
+	elsif ( $journey
+		and $stop
+		and ref($journey) eq 'Travel::Status::DE::DBRIS::Journey' )
+	{
 		my $number = $journey->train_no // $journey->number // $train_suffix;
 
 		my $line;
@@ -284,9 +334,10 @@ sub add {
 			}
 		);
 	}
-	elsif ( $journey and $stopover ) {
-
-		# MOTIS
+	elsif ( $journey
+		and $stopover
+		and ref($journey) eq 'Travel::Status::MOTIS::Trip' )
+	{
 		my @route;
 		for my $journey_stopover ( $journey->stopovers ) {
 			push(
@@ -340,7 +391,7 @@ sub add {
 		);
 	}
 	else {
-		die('neither train nor journey specified');
+		die('invalid arguments / argument types passed to InTransit->add');
 	}
 }
 
@@ -944,6 +995,41 @@ sub update_departure_dbris {
 	);
 }
 
+sub update_departure_efa {
+	my ( $self, %opt ) = @_;
+	my $uid     = $opt{uid};
+	my $db      = $opt{db} // $self->{pg}->db;
+	my $dep_eva = $opt{dep_eva};
+	my $arr_eva = $opt{arr_eva};
+	my $journey = $opt{journey};
+	my $stop    = $opt{stop};
+	my $json    = JSON->new;
+
+	my $res_h = $db->select( 'in_transit', ['data'], { user_id => $uid } )
+	  ->expand->hash;
+	my $ephemeral_data = $res_h ? $res_h->{data} : {};
+	if ( $stop->rt_dep ) {
+		$ephemeral_data->{rt} = 1;
+	}
+
+	# selecting on user_id and train_no avoids a race condition if a user checks
+	# into a new train while we are fetching data for their previous journey. In
+	# this case, the new train would receive data from the previous journey.
+	$db->update(
+		'in_transit',
+		{
+			data           => $json->encode($ephemeral_data),
+			real_departure => $stop->rt_dep,
+		},
+		{
+			user_id             => $uid,
+			train_id            => $opt{trip_id},
+			checkin_station_id  => $dep_eva,
+			checkout_station_id => $arr_eva,
+		}
+	);
+}
+
 sub update_departure_motis {
 	my ( $self, %opt ) = @_;
 	my $uid      = $opt{uid};
@@ -1137,6 +1223,67 @@ sub update_arrival_dbris {
 	);
 }
 
+sub update_arrival_efa {
+	my ( $self, %opt ) = @_;
+	my $uid     = $opt{uid};
+	my $db      = $opt{db} // $self->{pg}->db;
+	my $dep_eva = $opt{dep_eva};
+	my $arr_eva = $opt{arr_eva};
+	my $journey = $opt{journey};
+	my $stop    = $opt{stop};
+	my $json    = JSON->new;
+
+	my $res_h
+	  = $db->select( 'in_transit', [ 'data', 'route' ], { user_id => $uid } )
+	  ->expand->hash;
+	my $ephemeral_data = $res_h ? $res_h->{data}  : {};
+	my $old_route      = $res_h ? $res_h->{route} : [];
+
+	if ( $stop->rt_arr ) {
+		$ephemeral_data->{rt} = 1;
+	}
+
+	my @route;
+	for my $j_stop ( $journey->route ) {
+		push(
+			@route,
+			[
+				$j_stop->full_name,
+				$j_stop->id_num,
+				{
+					sched_arr => _epoch( $j_stop->sched_arr ),
+					sched_dep => _epoch( $j_stop->sched_dep ),
+					rt_arr    => _epoch( $j_stop->rt_arr ),
+					rt_dep    => _epoch( $j_stop->rt_dep ),
+					arr_delay => $j_stop->arr_delay,
+					dep_delay => $j_stop->dep_delay,
+					efa_load  => $j_stop->occupancy,
+					lat       => $j_stop->latlon->[0],
+					lon       => $j_stop->latlon->[1],
+				}
+			]
+		);
+	}
+
+	# selecting on user_id and train_no avoids a race condition if a user checks
+	# into a new train while we are fetching data for their previous journey. In
+	# this case, the new train would receive data from the previous journey.
+	$db->update(
+		'in_transit',
+		{
+			data         => $json->encode($ephemeral_data),
+			real_arrival => $stop->rt_arr,
+			route        => $json->encode( [@route] ),
+		},
+		{
+			user_id             => $uid,
+			train_id            => $opt{trip_id},
+			checkin_station_id  => $dep_eva,
+			checkout_station_id => $arr_eva,
+		}
+	);
+}
+
 sub update_arrival_motis {
 	my ( $self, %opt ) = @_;
 	my $uid      = $opt{uid};