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@@ -0,0 +1,109 @@
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+import Charts
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+import Foundation
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+import SwiftUI
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+
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+extension MainChartView {
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+ var cobIobChart: some View {
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+ Chart {
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+ drawCurrentTimeMarker()
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+ drawIOB()
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+ drawCOB(dummy: false)
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+
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+ if let selectedCOBValue {
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+ PointMark(
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+ x: .value("Time", selectedCOBValue.deliverAt ?? now, unit: .minute),
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+ y: .value("Value", selectedCOBValue.cob)
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+ )
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+ .symbolSize(CGSize(width: 15, height: 15))
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+ .foregroundStyle(Color.orange.opacity(0.8))
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+ .position(by: .value("Axis", "COB"))
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+
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+ PointMark(
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+ x: .value("Time", selectedCOBValue.deliverAt ?? now, unit: .minute),
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+ y: .value("Value", selectedCOBValue.cob)
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+ )
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+ .symbolSize(CGSize(width: 6, height: 6))
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+ .foregroundStyle(Color.primary)
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+ .position(by: .value("Axis", "COB"))
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+ }
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+
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+ if let selectedIOBValue {
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+ PointMark(
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+ x: .value("Time", selectedIOBValue.deliverAt ?? now, unit: .minute),
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+ y: .value("Value", Int(truncating: selectedIOBValue.iob ?? 0))
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+ )
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+ .symbolSize(CGSize(width: 15, height: 15))
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+ .foregroundStyle(Color.darkerBlue.opacity(0.8))
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+ .position(by: .value("Axis", "IOB"))
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+
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+ PointMark(
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+ x: .value("Time", selectedIOBValue.deliverAt ?? now, unit: .minute),
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+ y: .value("Value", Int(truncating: selectedIOBValue.iob ?? 0))
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+ )
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+ .symbolSize(CGSize(width: 6, height: 6))
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+ .foregroundStyle(Color.primary)
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+ .position(by: .value("Axis", "IOB"))
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+ }
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+ }
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+ .chartForegroundStyleScale([
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+ "COB": Color.orange,
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+ "IOB": Color.darkerBlue
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+ ])
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+ .chartLegend(.hidden)
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+ .frame(minHeight: geo.size.height * 0.12)
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+ .frame(width: fullWidth(viewWidth: screenSize.width))
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+ .chartXScale(domain: startMarker ... endMarker)
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+ .backport.chartXSelection(value: $selection)
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+ .chartXAxis { basalChartXAxis }
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+ .chartYAxis { cobIobChartYAxis }
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+ .chartYScale(domain: combinedYDomain())
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+ }
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+
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+ func combinedYDomain() -> ClosedRange<Double> {
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+ let minValue = min(state.minValueCobChart, state.minValueIobChart)
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+ let maxValue = max(state.maxValueCobChart, state.maxValueIobChart)
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+ return Double(minValue) ... Double(maxValue)
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+ }
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+
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+ func drawCOB(dummy: Bool) -> some ChartContent {
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+ ForEach(state.enactedAndNonEnactedDeterminations) { cob in
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+ let amount = Int(cob.cob)
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+ let date: Date = cob.deliverAt ?? Date()
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+
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+ if dummy {
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+ LineMark(x: .value("Time", date), y: .value("Value", amount))
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+ .foregroundStyle(Color.clear)
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+ .position(by: .value("Axis", "COB"))
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+ AreaMark(x: .value("Time", date), y: .value("Value", amount))
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+ .foregroundStyle(Color.clear)
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+ .position(by: .value("Axis", "COB"))
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+ } else {
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+ LineMark(x: .value("Time", date), y: .value("Value", amount))
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+ .foregroundStyle(by: .value("Type", "COB"))
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+ .position(by: .value("Axis", "COB"))
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+ AreaMark(x: .value("Time", date), y: .value("Value", amount))
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+ .foregroundStyle(by: .value("Type", "COB"))
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+ .position(by: .value("Axis", "COB"))
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+ .opacity(0.2)
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+ }
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+ }
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+ }
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+
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+ func drawIOB() -> some ChartContent {
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+ ForEach(state.enactedAndNonEnactedDeterminations) { iob in
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+ let rawAmount = iob.iob?.doubleValue ?? 0
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+
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+ // as iob and cob share the same y axis and cob is usually >> iob we need to weigh iob visually
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+ let amount: Double = rawAmount > 0 ? rawAmount * 3 : rawAmount * 4
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+ let date: Date = iob.deliverAt ?? Date()
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+
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+ AreaMark(x: .value("Time", date), y: .value("Amount", amount))
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+ .foregroundStyle(by: .value("Type", "IOB"))
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+ .position(by: .value("Axis", "IOB"))
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+ .opacity(0.2)
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+ LineMark(x: .value("Time", date), y: .value("Amount", amount))
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+ .foregroundStyle(by: .value("Type", "IOB"))
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+ .position(by: .value("Axis", "IOB"))
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+ }
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+ }
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+}
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polscm32 aka Marvout