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show close stations via geolocation

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This commit is contained in:
Daniel Friesel 2018-10-07 11:35:47 +02:00
parent d95cb9d06a
commit 6fd985ae7e
4 changed files with 93 additions and 1 deletions
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32
index.pl
View file

@ -577,7 +577,7 @@ helper 'navbar_class' => sub {
get '/' => sub {
my ($self) = @_;
$self->render('landingpage');
$self->render( 'landingpage', with_geolocation => 1 );
};
post '/action' => sub {
@ -640,6 +640,36 @@ post '/action' => sub {
}
};
post '/x/geolocation' => sub {
my ($self) = @_;
my $lon = $self->param('lon');
my $lat = $self->param('lat');
if ( not $lon or not $lat ) {
$self->render( json => { error => 'Invalid lon/lat received' } );
}
else {
my @candidates = map {
{
ds100 => $_->[0][0],
name => $_->[0][1],
eva => $_->[0][2],
lon => $_->[0][3],
lat => $_->[0][4],
distance => $_->[1],
}
} Travel::Status::DE::IRIS::Stations::get_station_by_location( $lon,
$lat, 5 );
$self->render(
json => {
candidates => [@candidates],
}
);
}
};
get '/*station' => sub {
my ($self) = @_;
my $station = $self->stash('station');

55
public/static/js/geolocation.js Normal file
View file

@ -0,0 +1,55 @@
$(document).ready(function() {
var prePlaceholder = $('p.geolocationhint');
var placeholder = $('div.geolocation div.progress');
var showError = function(header, message, code) {
prePlaceholder.remove();
placeholder.remove();
};
var processResult = function(data) {
if (data.error) {
showError('Backend-Fehler:', data.error, null);
} else if (data.candidates.length == 0) {
showError('Keine Bahnhöfe in 70km Umkreis gefunden', '', null);
} else {
resultTable = $('<table><tbody></tbody></table>')
resultBody = resultTable.children();
$.each(data.candidates, function(i, candidate) {
var ds100 = candidate.ds100,
name = candidate.name,
distance = candidate.distance;
distance = distance.toFixed(1);
var stationlink = $(document.createElement('a'));
stationlink.attr('href', ds100);
stationlink.text(name);
resultBody.append('<tr><td><a href="/' + ds100 + '">' + name + '</a></td></tr>');
});
placeholder.replaceWith(resultTable);
}
};
var processLocation = function(loc) {
$.post('/x/geolocation', {lon: loc.coords.longitude, lat: loc.coords.latitude}, processResult);
};
var processError = function(error) {
if (error.code == error.PERMISSION_DENIED) {
showError('Standortanfrage nicht möglich.', 'Vermutlich fehlen die Rechte im Browser oder der Android Location Service ist deaktiviert.', 'geolocation.error.PERMISSION_DENIED');
} else if (error.code == error.POSITION_UNAVAILABLE) {
showError('Standort konnte nicht ermittelt werden', '(Service nicht verfügbar)', 'geolocation.error.POSITION_UNAVAILABLE');
} else if (error.code == error.TIMEOUT) {
showError('Standort konnte nicht ermittelt werden', '(Timeout)', 'geolocation.error.TIMEOUT');
} else {
showError('Standort konnte nicht ermittelt werden', '(unbekannter Fehler)', 'unknown geolocation.error code');
}
};
if (navigator.geolocation) {
navigator.geolocation.getCurrentPosition(processLocation, processError);
} else {
showError('Standortanfragen werden von diesem Browser nicht unterstützt', '', null);
}
});

4
templates/landingpage.html.ep
View file

@ -25,6 +25,10 @@
<div class="card-content white-text">
<span class="card-title">Hallo, <%= $self->get_user_name %>!</span>
<p>Du bist gerade nicht eingecheckt.</p>
<p class="geolocationhint">Stationen in der Umgebung:</p>
<div class="geolocation">
<div class="progress"><div class="indeterminate"></div></div>
</div>
</div>
</div>
% }

3
templates/layouts/default.html.ep
View file

@ -10,6 +10,9 @@
%= javascript '/static/js/jquery-2.2.4.min.js'
%= javascript '/static/js/materialize.min.js'
%= javascript '/static/js/travelynx-actions.js'
% if (stash('with_geolocation')) {
%= javascript '/static/js/geolocation.js'
% }
</head>
<body>