Add support for all transport means

src/departure.zig

@@ -23,7 +23,7 @@ fn fetchThread(state: *AppState) !void {
     defer state.departure_screen_state.fetch_thread = null;
     const allocator = state.allocator;
     var station_id_buf = std.BoundedArray(u8, 10){};
-    var include_tram = false;
+    var transport_means = state.departure_screen_state.transport_means;
     var curl = Curl.init() orelse return;
     defer curl.deinit();
 
@@ -32,14 +32,16 @@ fn fetchThread(state: *AppState) !void {
         if (state.departure_screen_state.last_refresh_time + 30000 < std.time.milliTimestamp()) {
             fetch_anyway = true;
         }
-        if (!fetch_anyway and std.mem.eql(u8, station_id_buf.slice(), state.departure_screen_state.station_id.items) and include_tram == state.departure_screen_state.include_tram) {
+        const same_station = std.mem.eql(u8, station_id_buf.slice(), state.departure_screen_state.station_id.items);
+        const same_transport_means = std.meta.eql(transport_means, state.departure_screen_state.transport_means);
+        if (!fetch_anyway and same_station and same_transport_means) {
             std.time.sleep(100 * 1000);
             continue;
         }
 
         station_id_buf.resize(state.departure_screen_state.station_id.items.len) catch continue;
         std.mem.copyForwards(u8, station_id_buf.slice(), state.departure_screen_state.station_id.items);
-        include_tram = state.departure_screen_state.include_tram;
+        transport_means = state.departure_screen_state.transport_means;
         std.debug.print("[departure/fetchThread] Detected update: {s}\n", .{station_id_buf.slice()});
 
         curl.reset();
@@ -51,9 +53,20 @@ fn fetchThread(state: *AppState) !void {
         ) catch continue;
         defer allocator.free(departures_base);
         var departures_uri = std.Uri.parse(departures_base) catch unreachable;
-        const query = std.fmt.allocPrint(allocator, "duration=300&bus=false&ferry=false&taxi=false&pretty=false{s}", .{if (include_tram) "" else "&tram=false&subway=false"}) catch continue;
-        defer allocator.free(query);
-        departures_uri.query = query;
+        var queryBuilder = std.ArrayList(u8).init(allocator);
+        defer queryBuilder.deinit();
+        queryBuilder.appendSlice("duration=300&pretty=false") catch continue;
+        if (!transport_means.ice) queryBuilder.appendSlice("&nationalExpress=false") catch continue;
+        if (!transport_means.ic) queryBuilder.appendSlice("&national=false") catch continue;
+        if (!transport_means.ir) queryBuilder.appendSlice("&regionalExpress=false") catch continue;
+        if (!transport_means.r) queryBuilder.appendSlice("&regional=false") catch continue;
+        if (!transport_means.s) queryBuilder.appendSlice("&suburban=false") catch continue;
+        if (!transport_means.bus) queryBuilder.appendSlice("&bus=false") catch continue;
+        if (!transport_means.ferry) queryBuilder.appendSlice("&ferry=false") catch continue;
+        if (!transport_means.u) queryBuilder.appendSlice("&subway=false") catch continue;
+        if (!transport_means.tram) queryBuilder.appendSlice("&tram=false") catch continue;
+        if (!transport_means.taxi) queryBuilder.appendSlice("&taxi=false") catch continue;
+        departures_uri.query = queryBuilder.items;
         defer departures_uri.query = null;
         std.debug.print("[departure/fetchThread] Making request to: {}\n", .{departures_uri});
 
@@ -635,7 +648,8 @@ pub fn render(state: *AppState) !void {
                 ds.max_next_trains = @min(ds.max_next_trains + 1, if (ds.fetch_result) |fr| @as(c_int, @intCast(fr.value.object.get("departures").?.array.items.len)) else 5);
             },
             rl.KEY_T => {
-                ds.include_tram = !ds.include_tram;
+                ds.transport_means.u = !ds.transport_means.u;
+                ds.transport_means.tram = !ds.transport_means.tram;
             },
             rl.KEY_ONE => {
                 ds.render_style = .db1;

src/state.zig

@@ -26,6 +26,64 @@ pub const RenderStyle = enum(u8) {
     ns = 3,
 };
 
+pub const TransportationMethodFlags = packed struct {
+    ice: bool = false,
+    ic: bool = false,
+    ir: bool = false,
+    r: bool = false,
+    s: bool = false,
+    bus: bool = false,
+    tram: bool = false,
+    u: bool = false,
+    taxi: bool = false,
+    ferry: bool = false,
+
+    fn all() @This() {
+        return .{
+            .ice = true,
+            .ic = true,
+            .ir = true,
+            .r = true,
+            .s = true,
+            .bus = true,
+            .tram = true,
+            .u = true,
+            .taxi = true,
+            .ferry = true,
+        };
+    }
+
+    fn only_trains() @This() {
+        return .{
+            .ice = true,
+            .ic = true,
+            .ir = true,
+            .r = true,
+            .s = true,
+        };
+    }
+
+    fn only_long_distance() @This() {
+        return .{
+            .ice = true,
+            .ic = true,
+            .ir = true,
+        };
+    }
+
+    fn only_regional() @This() {
+        return .{
+            .r = true,
+            .s = true,
+            .bus = true,
+            .tram = true,
+            .u = true,
+            .taxi = true,
+            .ferry = true,
+        };
+    }
+};
+
 pub const DepartureScreenState = struct {
     mutex: std.Thread.Mutex = .{},
     station_id: std.ArrayListUnmanaged(u8),
@@ -36,7 +94,7 @@ pub const DepartureScreenState = struct {
     fetch_result: ?std.json.Parsed(std.json.Value) = null,
     should_refresh: bool = false,
     max_next_trains: c_int = 5,
-    include_tram: bool = false,
+    transport_means: TransportationMethodFlags = TransportationMethodFlags.only_trains(),
     render_style: RenderStyle = .db1,
 };