All views seem to work ok

1 files changed, 153 insertions, 0 deletions

diff --git a/ShedCalc/BOMController.swift b/ShedCalc/BOMController.swift
index fa05eeb..be70a65 100644
--- a/ShedCalc/BOMController.swift
+++ b/ShedCalc/BOMController.swift
@@ -4,4 +4,157 @@
 //
 //  Created by Jacky Jack on 01/08/2026.
 //
+import SwiftUI
+import Combine
 
+private func roundUpPieces(_ value: Float) -> Int {
+    Int(value.rounded(.up))
+}
+
+private func roundUpPieces(_ value: Double) -> Int {
+    Int(value.rounded(.up))
+}
+
+struct MaterialItem: Identifiable {
+    let materialName: String
+    let pricePerMeter: Double
+    let totalMeters: Double
+    let totalPrice: Double
+    let metersPerPiece: Double
+    let totalPieces: Double
+    
+    let id = UUID()
+}
+class BOMController {
+    
+    func calcBOM(from paramModel: ParamModel) -> [MaterialItem] {
+        var items: [MaterialItem] = []
+        items.append(calcOSB(from: paramModel))
+        items.append(calcWallTimber2x4(from: paramModel))
+        items.append(calcFloorTimber2x4(from: paramModel))
+        items.append(calcRoofTimber2x4(from: paramModel))
+        items.append(calcRoofFelt(from: paramModel))
+        items.append(calcWeatherWrap(from: paramModel))
+        items.append(calcCladding(from: paramModel))
+        return items
+    }
+    
+    private func calcOSB(from paramModel: ParamModel) -> MaterialItem {
+        let totalOSBarea = paramModel.floorArea()
+        let OSBPrice = totalOSBarea*paramModel.OSBSheetPrice
+        let OSBPricePerMeter = paramModel.OSBSheetPrice / (1.2*2.4)
+        let totalPieces = roundUpPieces(totalOSBarea / (1.2*2.4))
+        return MaterialItem(
+            materialName: "OSB",
+            pricePerMeter: Double(OSBPricePerMeter),
+            totalMeters: Double(totalOSBarea),
+            totalPrice: Double(totalPieces)*Double(paramModel.OSBSheetPrice),
+            metersPerPiece:Double(paramModel.OSBSheetPrice),
+            totalPieces: Double(totalPieces))
+    }
+    
+    private func calcWallTimber2x4(from paramModel: ParamModel) -> MaterialItem {
+        let totalLength = paramModel.totalWallBeamLength()
+        let timberBeamPrice = paramModel.timberBeamPrice
+        let totalPrice = totalLength*timberBeamPrice
+        let pieceSize = paramModel.timberLengthSize
+        let totalPieces = roundUpPieces(totalLength/pieceSize)
+        return MaterialItem(
+            materialName: "2x4",
+            pricePerMeter: Double(timberBeamPrice),
+            totalMeters: Double(totalLength),
+            totalPrice: Double(totalPrice),
+            metersPerPiece:Double(pieceSize),
+            totalPieces: Double(totalPieces)
+        )
+    }
+    private func calcFloorTimber2x4(from paramModel: ParamModel) -> MaterialItem {
+        let joistLength = paramModel.totalJoistBeamLength() * 2
+        let spacersLength = Double(paramModel.lengthBeamNum())*paramModel.beamSpace
+        let timberBeamPrice = paramModel.timberBeamPrice
+        let totalLength = Double(paramModel.lengthBeamNum())*paramModel.beamSpace
+        let totalPrice = totalLength*timberBeamPrice
+        let pieceSize = Double(paramModel.timberLengthSize)
+        let totalPieces = roundUpPieces(totalLength/pieceSize)
+        return MaterialItem(
+            materialName: "Floor 2x4",
+            pricePerMeter: Double(timberBeamPrice),
+            totalMeters: Double(totalLength),
+            totalPrice: Double(totalPrice),
+            metersPerPiece:Double(pieceSize),
+            totalPieces: Double(totalPieces)
+        )
+    }
+    
+    private func calcRoofTimber2x4(from paramModel: ParamModel) -> MaterialItem {
+        let joistLength = paramModel.totalJoistBeamLength() * 2
+        let spacersLength = Double(paramModel.lengthBeamNum())*paramModel.beamSpace
+        let timberBeamPrice = paramModel.timberBeamPrice
+        let totalLength = Double(paramModel.lengthBeamNum())*paramModel.beamSpace
+        let totalPrice = totalLength*timberBeamPrice
+        let pieceSize = Double(paramModel.timberLengthSize)
+        let totalPieces = roundUpPieces(totalLength/pieceSize)
+        return MaterialItem(
+            materialName: "Roof 2x4",
+            pricePerMeter: Double(timberBeamPrice),
+            totalMeters: Double(totalLength),
+            totalPrice: Double(totalPrice),
+            metersPerPiece:Double(pieceSize),
+            totalPieces: Double(totalPieces)
+        )
+    }
+    
+    private func calcRoofFelt(from paramModel: ParamModel) -> MaterialItem {
+        let roofArea = paramModel.roofArea()
+        let feltRollArea = Double(paramModel.feltWidth)*Double(paramModel.feltLength)
+        var feltPricePerMeter:Double = 0.0
+        if paramModel.feltPrice > 0.0 {
+            feltPricePerMeter = Double(paramModel.feltPrice) / feltRollArea
+        }
+        let totalPieces = roundUpPieces(Double(roofArea)/Double(feltRollArea))
+        
+        let totalPrice = Double(totalPieces) * paramModel.feltPrice
+        
+        return MaterialItem(
+            materialName: "Roof Felt",
+            pricePerMeter: Double(feltPricePerMeter),
+            totalMeters: Double(roofArea),
+            totalPrice: Double(totalPrice),
+            metersPerPiece:Double(feltRollArea),
+            totalPieces: Double(totalPieces)
+        )
+    }
+    
+    private func calcWeatherWrap(from paramModel: ParamModel) -> MaterialItem {
+        
+        return MaterialItem(
+            materialName: "Weather Wrap",
+            pricePerMeter: Double(0.1),
+            totalMeters: Double(0.1),
+            totalPrice: Double(0.1),
+            metersPerPiece:Double(0.1),
+            totalPieces: Double(0.1)
+        )
+    }
+    
+    private func calcCladding(from paramModel: ParamModel) -> MaterialItem {
+        let wallArea = Double(paramModel.length*paramModel.height)*2 + Double(paramModel.width*paramModel.height)*2
+        let singleCladArea = paramModel.claddingLength * (Double(paramModel.claddingWidth) - paramModel.claddingOverlap)
+        let claddingPieces = wallArea/singleCladArea
+        let totalPieces = roundUpPieces(claddingPieces)
+        let totalPrice = Double(totalPieces) * paramModel.claddingPrice
+        return MaterialItem(
+            materialName: "Cladding",
+            pricePerMeter: Double(paramModel.claddingPrice),
+            totalMeters: Double(claddingPieces*paramModel.claddingLength),
+            totalPrice: Double(totalPrice),
+            metersPerPiece:Double(paramModel.claddingLength),
+            totalPieces: Double(totalPieces)
+        )
+    }
+    
+    private func calcBeam(from paramModel: ParamModel) -> MaterialItem {
+        return MaterialItem(materialName: "2x4", pricePerMeter: 1.0, totalMeters: 10, totalPrice: 100, metersPerPiece: 1.2, totalPieces: 11.2)
+    }
+    
+}