Initial commit

main.qml

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+import QtQuick 2.6
+import QtQuick.Controls 2.0 as Controls
+import QtQuick.Layouts 1.2
+import org.kde.kirigami 2.13 as Kirigami
+
+// Base element, provides basic features needed for all kirigami applications
+Kirigami.ApplicationWindow {
+    // ID provides unique identifier to reference this element
+    id: root
+    title: "Metar Weather"
+
+    // Initial page to be loaded on app load
+    pageStack.initialPage: Kirigami.Page {
+        actions {
+            main: Kirigami.Action {
+                icon.name: "refresh"            
+                text: "Refresh"
+                onTriggered: logic.refresh()
+            }
+            right: Kirigami.Action {
+                icon.name: "plus"
+                text: "Add Airport"
+                onTriggered: addAirport.open()
+            }
+        }
+    }
+    Kirigami.OverlaySheet {
+        id: addAirport
+
+        Kirigami.FormLayout {
+            Controls.TextField {
+                id: airportCode
+                Kirigami.FormData.label: "airport code"
+            }
+            Controls.Button {
+                text: "Add"
+                onClicked: {
+                        logic.addAirport(airportCode.text)
+                        addAirport.close()
+                }
+            }
+        }
+    }
+
+}
+

metar.nim

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+import std/[httpclient, times, xmlparser, xmltree]
+import strformat
+import NimQml
+import macros
+import typeinfo
+
+proc getMetar(client: HttpClient, code: string): XMLNode =
+  let requestUrl = &"https://aviationweather.gov/adds/dataserver_current/httpparam?dataSource=metars&requestType=retrieve&format=xml&hoursBeforeNow=3&mostRecent=true&stationString={code}"
+  let metarData = client.getContent(requestUrl)
+  parseXml(metarData)
+
+proc childString(node: XMLnode, name: string): string =
+  node.child(name).innerText
+
+type SkyCondition = object
+  skyCover: string
+  cloudBaseAgl: string
+
+type MetarData = object
+  rawText: string
+  stationId: string
+  observationTime: string
+  temperature: string
+  dewPoint: string
+  windHeading: string
+  windSpeedKnots: string
+  visibility: string
+  altimiter: string
+  flightCategory: string
+  skyConditions: seq[SkyCondition]
+
+proc fromXml*(xmlData: XMLNode): MetarData =
+  let metar = xmlData.child("data").child("METAR")
+
+  result = MetarData(
+    rawText: metar.childString("raw_text"),
+    stationId: metar.childString("station_id"),
+    observationTime: metar.childString("observation_time"),
+    temperature: metar.childString("temp_c"),
+    dewPoint: metar.childString("dewpoint_c"),
+    windHeading: metar.childString("wind_dir_degrees"),
+    visibility: metar.childString("wisibility_statute_mi"),
+    altimiter: metar.childString("altim_in_hg"),
+    flightCategory: metar.childString("flight_category")
+  )
+
+  for skyConditionXml in metar.findAll("sky_condition"):
+    result.skyConditions.add(
+      SkyCondition(
+        skyCover: skyConditionXml.attr("sky_cover"),
+        cloudBaseAgl: skyconditionXml.attr("cloud_base_ft_agl"))) 
+
+QtObject:
+  type ApplicationLogic* = ref object of QObject
+    app: QApplication
+
+  proc delete*(self: ApplicationLogic) =
+    self.QObject.delete
+
+  proc setup(self: ApplicationLogic) =
+    self.QObject.setup
+  
+  proc newApplicationLogic*(app: QApplication): ApplicationLogic =
+    new(result)
+    result.app = app
+    result.setup()
+
+  ## Real methods below here
+
+  proc refresh(self: ApplicationLogic) {.slot.} =
+    echo "Refresh called"
+
+  proc addAirport(self: ApplicationLogic, code: string) {.slot.} =
+    echo &"Add airport called {code}"
+
+  proc deleteAirport(self: ApplicationLogic, code: string) {.slot.} =
+    echo &"Delete {code}"
+
+proc mainProc() =
+  let app = newQApplication()
+  defer: app.delete()
+
+  let engine = newQQmlApplicationEngine()
+  defer: engine.delete()
+
+  let logic = newApplicationLogic(app)
+  let logicVariant = newQVariant(logic)
+
+  engine.setRootContextProperty("logic", logicVariant)
+  engine.load("main.qml")
+  app.exec()
+
+when isMainModule:
+  mainProc()
+  GC_fullcollect()
+

metar.xml

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+<response version="1.2" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" xsi:noNamespaceSchemaLocation="http://www.aviationweather.gov/static/adds/schema/metar1_2.xsd" xmlns:xsd="http://www.w3.org/2001/XMLSchema">
+  <request_index>6914747</request_index>
+  <data_source name="metars" />
+  <request type="retrieve" />
+  <errors />
+  <warnings />
+  <time_taken_ms>6</time_taken_ms>
+  <data num_results="1">
+    <METAR>
+      <raw_text>KOAK 260253Z 28014KT 10SM FEW010 FEW120 FEW180 12/08 A2999 RMK AO2 SLP155 T01220078 55002</raw_text>
+      <station_id>KOAK</station_id>
+      <observation_time>2022-03-26T02:53:00Z</observation_time>
+      <latitude>37.72</latitude>
+      <longitude>-122.23</longitude>
+      <temp_c>12.2</temp_c>
+      <dewpoint_c>7.8</dewpoint_c>
+      <wind_dir_degrees>280</wind_dir_degrees>
+      <wind_speed_kt>14</wind_speed_kt>
+      <visibility_statute_mi>10.0</visibility_statute_mi>
+      <altim_in_hg>29.991142</altim_in_hg>
+      <sea_level_pressure_mb>1015.5</sea_level_pressure_mb>
+      <quality_control_flags>
+        <auto_station>TRUE</auto_station>
+      </quality_control_flags>
+      <sky_condition cloud_base_ft_agl="1000" sky_cover="FEW" />
+      <sky_condition cloud_base_ft_agl="12000" sky_cover="FEW" />
+      <sky_condition cloud_base_ft_agl="18000" sky_cover="FEW" />
+      <flight_category>VFR</flight_category>
+      <three_hr_pressure_tendency_mb>-0.2</three_hr_pressure_tendency_mb>
+      <metar_type>METAR</metar_type>
+      <elevation_m>3.0</elevation_m>
+    </METAR>
+  </data>
+</response>