Really rough bart implementation

toolbox.nim

@@ -1,9 +1,12 @@
 import gintro/[gtk4, gobject, gio, adw]
-import std/[with]
+import std/[with, httpclient]
 import actransit
 import metar
+import bart
 
-const airports = @["khwd", "koak", "klvk", "khaf"]
+const airports = @["khwd", "koak", "klvk", "khaf", "kmry", "ksac"]
+
+let client = newHttpClient()
 
 proc clearMetars(metar_list: gtk4.ListBox) =
   for i in 1..airports.len:
@@ -24,12 +27,16 @@ proc addMetars(metar_list: gtk4.ListBox) =
 proc button_refresh_signal(b: Button,
                             widgets: tuple[vs: adw.ViewStack, home: Label, office: Label, metar_list: gtk4.ListBox]) =
   if widgets.vs.get_visible_child_name() == "act_view":
-    widgets.home.text = home_predictions().cstring
-    widgets.office.text = office_predictions().cstring
+    widgets.home.text = client.home_predictions().cstring
+    widgets.office.text = client.office_predictions().cstring
   elif widgets.vs.get_visible_child_name() == "metar_view":
     clearMetars(widgets.metar_list)
     addMetars(widgets.metar_list)
 
+proc bart_departures_signal(b: Button, widgets: tuple[dropdown: DropDown, label: Label]) =
+  let prediction = client.prediction_for_station_idx(widgets.dropdown.getSelected())
+  widgets.label.text = prediction.cstring
+
 proc activate(app: adw.Application) =
   let
     window = adw.newApplicationWindow(app)
@@ -37,6 +44,9 @@ proc activate(app: adw.Application) =
     switcher_bar = adw.newViewSwitcherBar()
 
     bart_box = newBox(Orientation.vertical, 0)
+    bart_station_dropdown = newDropDownFromStrings(bart_station_names())
+    bart_get_departures_button = newButton()
+    bart_label = newLabel()
 
     metar_box = newBox(Orientation.vertical, 0)
     metar_list = newListBox()
@@ -77,6 +87,19 @@ proc activate(app: adw.Application) =
     append home_label
     append office_label
 
+  with bart_box:
+    marginTop = 10
+    marginEnd = 10
+    marginStart = 10
+    append bart_station_dropdown
+    append bart_get_departures_button
+    append bart_label
+
+  with bart_get_departures_button:
+    marginTop = 10
+    label = "Get departures".cstring
+    connect("clicked", bart_departures_signal, (bart_station_dropdown, bart_label))
+
   with metar_box:
     append metar_list
 
@@ -92,7 +115,7 @@ proc activate(app: adw.Application) =
     iconName = "view-refresh"
 
   with home_label:
-    text = home_predictions().cstring
+    text = client.home_predictions().cstring
     marginTop = 10
     marginBottom = 10
     marginStart = 10
@@ -100,7 +123,7 @@ proc activate(app: adw.Application) =
     halign = Align.start
 
   with office_label:
-    text = office_predictions().cstring
+    text = client.office_predictions().cstring
     marginTop = 10
     marginBottom = 10
     marginStart = 10