good enough for government (or habitat) work

__fixtures__/initialProducts.ts

@@ -2,11 +2,20 @@ import { Product } from "@/lib/product";
 
 export const products = [
     // Sheet goods
-    new Product(25, {l: 4, w : 8, u: "feet"}, { name: "Plywood" }),
+    new Product(25, {l: 4, w : 8, u: "ft"}, { name: "Plywood 1/4\"" }),
-    new Product(35, {l: 4, w : 8, u: "feet"}, { name: "MDF" }),
+    new Product(20, {l: 4, w : 8, u: "ft"}, { name: "Plywood 1/2\"" }),
-    new Product(40, {l: 4, w : 8, u: "feet"}, { name: "OSB" }),
+    new Product(25, {l: 4, w : 8, u: "ft"}, { name: "Plywood 3/4\"" }),
-    new Product(45, {l: 4, w : 8, u: "feet"}, { name: "Sheetrock" }),
+    new Product(5, {l: 4, w : 8, u: "ft"}, { name: "Thin Panel Board" }),
-    // Beams and trim
+    new Product(10, {l: 4, w : 8, u: "ft"}, { name: "Sheetrock" }),
-    new Product(1, {l: 0.50, u : "feet"}, { name: "trim 3 inches" }),
+    new Product(15, {l: 4, w : 8, u: "ft"}, { name: "OSB / Particle" }),
-    new Product(1, {l: 0.75, u : "feet"}, { name: "trim 3 inches" }),
+    new Product(20, {l: 4, w : 8, u: "ft"}, { name: "MDF" }),
+    new Product(15, {l: 4, w : 8, u: "ft"}, { name: "Pegboard" }),
+    new Product(5, {l: 3, w : 5, u: "ft"}, { name: "Cement" }),
+    // trim
+    new Product(1, {l: 0.50, u : "ft"}, { name: "trim <= 3 inches" }),
+    new Product(1, {l: 0.75, u : "ft"}, { name: "trim > 3 inches" }),
+    // siding
+    new Product(1, {l: 1, u: "ft"}, {name: "house siding"}),
+    new Product(1, {l: 1, u: "ft"}, {name: "metal / shelf bars"}),
+    new Product(0.5, {l: 1, u: "ft"}, {name: "gutter spouts"}),
 ];

app/(tabs)/_layout.tsx

@@ -22,9 +22,9 @@ export default function TabLayout() {
         <Tabs.Screen
           name="index"
           options={{
-            title: 'Conversion',
+            title: 'Home Screen',
             tabBarIcon: ({ color, focused }) => (
-              <TabBarIcon name={focused ? 'recording' : 'recording-outline'} color={color} />
+              <TabBarIcon name={focused ? 'scale' : 'scale-outline'} color={color} />
             ),
           }}
         />
@@ -33,7 +33,7 @@ export default function TabLayout() {
           options={{
             title: 'Products',
             tabBarIcon: ({ color, focused }) => (
-              <TabBarIcon name={focused ? 'recording' : 'recording-outline'} color={color} />
+              <TabBarIcon name={focused ? 'list' : 'list-outline'} color={color} />
             ),
           }}
         />

app/(tabs)/index.tsx

@@ -1,13 +1,10 @@
 import ProductCalculatorSelector from '@/components/ProductCalculatorSelector';
-import { SafeAreaView, View } from 'react-native';
+import { SafeAreaView, Text, View } from 'react-native';
 
-
+export default function Convert () {
-const fallbackImage = require("@/assets/images/board-stock-lightened-blurred.png");
-
-export const HomeScreen = () => {
   return (
-    <SafeAreaView>
+    <View>
       <ProductCalculatorSelector />
-    </SafeAreaView>
+    </View>
   )
 }

components/AreaInput.tsx

@@ -1,7 +1,7 @@
 import { MeasurementInput } from "./MeasurementInput";
 import { area_t, dimensions_t } from "@/lib/product";
 import { useState } from "react";
-import { View } from "react-native";
+import { StyleSheet, View } from "react-native";
 
 export type AreaInputProps = {
     onMeasurementSet?: (area : dimensions_t) => any,
@@ -12,7 +12,7 @@ export type AreaInputProps = {
 
 export function AreaInput({onMeasurementSet, lengthLabel, widthLabel, defaultValue} : AreaInputProps) {
 
-    defaultValue = defaultValue || {l: 0, w: 0, u: "foot"}
+    defaultValue = defaultValue || {l: 0, w: 0, u: "ft"}
 
     const [area, setArea] = useState(defaultValue)
 
@@ -39,19 +39,23 @@ export function AreaInput({onMeasurementSet, lengthLabel, widthLabel, defaultVal
     }
 
     return (
-        <View>
+        <View style={styles.areaInputWrapper}>
             <MeasurementInput
-                units={area.u}
+                defaultValue={{l: area.l, u: area.u}}
-                defaultValue={area.l}
                 onValueSet={doOnLengthSet}
                 label={lengthLabel}
             />
             <MeasurementInput
-                units={area.u}
+                defaultValue={{l: area.w, u: area.u}}
-                defaultValue={area.w}
                 onValueSet={doOnWidthSet}
                 label={widthLabel}
             />
         </View>
     )
 }
+
+const styles = StyleSheet.create({
+    areaInputWrapper: {
+        flexDirection: "row"
+    }
+})

components/MeasurementInput.tsx

@@ -1,5 +1,6 @@
 import { dimensions_t, length_t } from "@/lib/product";
 import { Length } from "convert";
+import { useState } from "react";
 import { StyleSheet, Text, TextInput, View } from "react-native";
 
 export type t_length_unit = "foot" | "inch"
@@ -11,8 +12,12 @@ export type MeasurementInputProps = {
 }
 
 export function MeasurementInput({onValueSet, defaultValue, label}: MeasurementInputProps) {
-1
+
+    const [mValue, setMValue] = useState(defaultValue)
+    const defValue = Number.isNaN(defaultValue.l) ? 0 : defaultValue.l
+
     function doOnValueSet(value : string) {
+        setMValue(mValue);
         const iVal = parseFloat(value) || parseInt(value);
         onValueSet && onValueSet({
             ...defaultValue,
@@ -20,10 +25,10 @@ export function MeasurementInput({onValueSet, defaultValue, label}: MeasurementI
         })
     }
 
-    const sDefValue = new String(defaultValue.l).valueOf()
+    const sDefValue = new String(defValue).valueOf()
 
     return (
-        <View>
+        <View style={styles.inputWrapper}>
             <TextInput
                 clearTextOnFocus={true}
                 defaultValue={sDefValue}
@@ -32,14 +37,17 @@ export function MeasurementInput({onValueSet, defaultValue, label}: MeasurementI
                 style={styles.lengthInput}
                 aria-label={label || "Enter measurement"}
                 />
-            <Text style={styles.unitHints}>{defaultValue.u}</Text>
+            <Text style={styles.unitHints}>{mValue.u}</Text>
         </View>
     )
 }
 
 const styles = StyleSheet.create({
+    inputWrapper: {
+        alignItems: "flex-start",
+        flexDirection: "row"
+    },
     unitHints: {
-      fontSize: 30,
       padding: 10,
     },
     lengthInput: {
@@ -48,7 +56,7 @@ const styles = StyleSheet.create({
       borderColor: "grey",
       padding: 4,
       margin: 4,
-      fontSize: 30,
+      fontSize: 25,
-      width: 200,
+      width: 100,
     },
 })

components/PercentDamange.tsx

@@ -0,0 +1,44 @@
+import { StyleSheet, Text, TextInput, View } from "react-native";
+import Slider from '@react-native-community/slider';
+import { useState } from "react";
+
+type PercentDamageProps = {
+    onSetPercentage: (percent: number) => any;
+}
+
+export default function PercentDamage ({onSetPercentage} : PercentDamageProps) {
+    const [damage, setDamage] = useState(0);
+    function doOnChangeText (val : number) {
+        setDamage(val);
+        onSetPercentage(val / 100);
+    }
+    return (
+        <View style={styles.wrapper}>
+            <Slider
+                value={damage}
+                minimumValue={0}
+                maximumValue={100}
+                step={5}
+                onValueChange={doOnChangeText}
+                />
+            <Text style={styles.label}> {damage}% Damage</Text>
+        </View>
+    )
+}
+
+const styles = StyleSheet.create({
+    wrapper: {
+        padding: 5,
+    },
+    input: {
+        flex: 1,
+        margin: 5,
+        padding: 5,
+        borderWidth: 2,
+        borderColor: "lightgrey",
+        borderStyle: "solid",
+    },
+    label: {
+        margin: 5,
+    }
+})

components/Price.tsx

@@ -32,7 +32,7 @@ export const styles = StyleSheet.create({
     bigPrice: {
       alignSelf: "center",
       fontSize: 40,
-      marginTop: 100,
+      marginTop: 50,
-      marginBottom: 100,
+      marginBottom: 50,
     }
 });

components/ProductCalculatorSelector.tsx

@@ -1,48 +1,75 @@
-import { useAppSelector } from '@/app/store';
-import { selectProducts } from '@/features/product/productSlice';
 import { Product, dimensions_t } from '@/lib/product';
 import { useState, useEffect } from 'react';
-import { View, Text, TextInput, Button, FlatList, StyleSheet } from 'react-native';
+import { View, Text, StyleSheet } from 'react-native';
-import { TouchableHighlight } from 'react-native-gesture-handler';
 import { SafeAreaView } from 'react-native-safe-area-context';
 import PriceDisplay from './Price';
 import { AreaInput } from './AreaInput';
 import { MeasurementInput } from './MeasurementInput';
 import ProductList from './ProductList';
 import UnitChooser from './UnitChooser';
-import { Length } from 'convert';
+import convert, { Length } from 'convert';
+import PercentDamage from './PercentDamange';
 
 
 export default function ProductCalculatorSelector() {
 
-    const products = useAppSelector(selectProducts);
     const [activeProduct, setActiveProduct] = useState(null as Product | null);
     const [price, setPrice] = useState(0);
-    const [measurement, setMeasurement] = useState({l: 0, w: 0, u: "ft"} as dimensions_t);
+    const [measurement, setMeasurement] = useState({ l: 0, w: 0, u: "ft" } as dimensions_t);
+    const [percentDamage, setPercentDamange] = useState(0.0);
 
     useEffect(function () {
         const iv = setInterval(function () {
             if (!(activeProduct && measurement)) return;
             setPrice(
-                activeProduct.priceFor(measurement)
+                activeProduct.priceFor(measurement, percentDamage)
             )
         }, 50);
         return function () {
             clearInterval(iv);
         };
-    }, [activeProduct, measurement]);
+    }, [activeProduct, measurement, percentDamage]);
 
     function onMeasurementSet(dimensions: dimensions_t) {
         setMeasurement(dimensions);
+        activeProduct && setPrice(
+            activeProduct.priceFor(measurement, percentDamage)
+        )
     }
 
-    function onUnitChosen(unit : Length) {
+    function onUnitChosen(unit: Length) {
         setMeasurement({
             ...measurement,
             u: unit,
         });
     }
 
+    function onSetPercentDamage(pct: number) {
+        setPercentDamange(pct);
+    }
+
+    function onProductSelected(product: Product) {
+        setActiveProduct(product);
+        setMeasurement(
+            {
+                l: convert(
+                    product.dimensions.l,
+                    product.dimensions.u,
+                ).to(measurement.u),
+                u: measurement.u,
+                ...(
+                    ("w" in measurement && "w" in product.dimensions) ? {
+                        w: convert(
+                            product.dimensions.w,
+                            product.dimensions.u,
+                        ).to(measurement.u),
+                        u: measurement.u,
+                    } : {}
+                )
+            }
+        );
+    }
+
     return (
         <SafeAreaView style={styles.wrapper}>
             <PriceDisplay price={price} />
@@ -73,7 +100,14 @@ export default function ProductCalculatorSelector() {
                     }
                 </View>
             </View>
-            <ProductList onProductSelected={setActiveProduct} />
+            {activeProduct &&
+                (<View >
+                    <PercentDamage
+                        onSetPercentage={onSetPercentDamage}
+                    />
+                </View>)
+            }
+            <ProductList onProductSelected={onProductSelected} />
         </SafeAreaView>
     );
 }
@@ -81,6 +115,7 @@ export default function ProductCalculatorSelector() {
 
 export const styles = StyleSheet.create({
     wrapper: {
+        overflow: "scroll"
     },
     bigPriceWrapper: {
         alignContent: "center",

components/ProductEditor.tsx

@@ -39,8 +39,8 @@ export const ProductEditor = ({}) => {
     }
 
     return (
-        <SafeAreaView>
+        <SafeAreaView style={{overflow: "scroll"}}>
-            <h1 style={styles.h1}>Edit Products</h1>
+            <Text>Edit Products</Text>
             <FlatList
             data={products}
             keyExtractor={(p, i) => `product-${p.id}`}

components/ProductEditorItem.tsx

@@ -1,12 +1,10 @@
 import { Id, Product, dimensions_t } from "@/lib/product"
 import { useState } from "react"
-import { Button, FlatList, StyleSheet, Text, Touchable, TouchableHighlight, View } from "react-native"
+import { Button, FlatList, StyleSheet, Text, TextInput, Touchable, TouchableHighlight, View } from "react-native"
 import { ProductAttributeEditor } from "./ProductAttributeEditor";
-import { TextInput } from "react-native-gesture-handler";
+import { Dropdown } from 'react-native-element-dropdown';
-import { useAppSelector } from "@/app/store";
-import rfdc from "rfdc";
-import SelectDropdown from "react-native-select-dropdown";
 import { Ionicons } from "@expo/vector-icons";
+import { Length } from "convert";
 
 export type ProductAddedFunc = () => any;
 export type ProductDeletedFunc = (product_id: Id) => any;
@@ -50,9 +48,9 @@ export const ProductEditorItem = (props: ProductEditorItemProps) => {
         props.onPriceUpdated && props.onPriceUpdated(product.id, parseFloat(pricePerUnit) || parseInt(pricePerUnit));
     }
 
-    function onUnitsChanged(newUnits: "foot" | "inch") {
+    function onUnitsChanged(newUnits: Length) {
         props.onDimensionsUpdated && props.onDimensionsUpdated(product.id, {
-            ...((product.area || product.length) as dimensions_t),
+            ...(product.dimensions as dimensions_t),
             u: newUnits,
         })
     }
@@ -60,16 +58,16 @@ export const ProductEditorItem = (props: ProductEditorItemProps) => {
     function onChangeLength(len: string) {
         const l = parseFloat(len) || parseInt(len);
         props.onDimensionsUpdated && props.onDimensionsUpdated(product.id, {
-            ...((product.area || product.length) as dimensions_t),
+            ...(product.dimensions as dimensions_t),
             l,
         })
     }
 
     function onChangeWidth(width: string) {
-        const w = parseFloat(width) || parseInt(width);
+        const w = width.length == 0 ? null : parseFloat(width) || parseInt(width);
         props.onDimensionsUpdated && props.onDimensionsUpdated(product.id, {
-            ...((product.area || product.length) as dimensions_t),
+            ...(product.dimensions as dimensions_t),
-            w,
+            ...(w ? {w} : {}),
         })
     }
 
@@ -77,12 +75,13 @@ export const ProductEditorItem = (props: ProductEditorItemProps) => {
         props.onProductDeleted && props.onProductDeleted(product.id);
     }
 
-    const length = new String(product.area?.l || product.length?.l || "0") as string;
+    const length = new String(product.dimensions.l || product.dimensions.l || "0") as string;
-    const width = new String(product.area?.w || "") as string;
+    const width = new String(product.dimensions.w || "") as string;
-    const dimension = product.area?.u || product.length?.u || "foot";
+    const dimension = product.dimensions.u || product.dimensions.u || "foot";
 
     return (
         <View>
+            <View style={styles.productListHeader}>
                 <TouchableHighlight
                     onPress={() => setShowAttributes(!showAttributes)}
                     aria-label="Product Item"
@@ -95,13 +94,17 @@ export const ProductEditorItem = (props: ProductEditorItemProps) => {
                     aria-label="delete product"
                     style={styles.deleteProductHighlight}
                     >
-                    <Ionicons style={styles.deleteProductButton} name="trash-outline" />
+                        <Ionicons
+                            style={styles.deleteProductButton}
+                            name="trash-outline"
+                        />
                 </TouchableHighlight>
+                </View>
             {showAttributes &&
                 (
-                    <View>
+                    <View style={styles.detailsWrapper}>
                         <View style={styles.priceSpecWrapper}>
-                            <Text style={styles.priceLabel}></Text>
+                            <Text style={styles.priceLabel}>$</Text>
                             <TextInput inputMode="decimal"
                                 defaultValue={new String(product.pricePerUnit) as string}
                                 aria-label="price per unit"
@@ -109,14 +112,18 @@ export const ProductEditorItem = (props: ProductEditorItemProps) => {
                                 style={styles.priceInput}
                             />
                             <Text style={styles.per}>per</Text>
-                            <Text style={styles.unitsLabel}>Units: </Text>
+                            <Dropdown
-                            <select
+                                data={[
-                                onChange={(e) => onUnitsChanged(e.target.value as "foot" | "inch")}
+                                    {label: "feet", value: "ft"},
+                                    {label: "inches", value: "in"},
+                                ]}
                                 style={styles.unitsSelect}
-                                aria-label="units">
+                                mode="modal"
-                                <option value="foot" selected={dimension === "foot"}>feet</option>
+                                labelField="label"
-                                <option value="inch" selected={dimension === "inch"}>inches</option>
+                                valueField="value"
-                            </select>
+                                value={product.dimensions.u || "ft"}
+                                onChange={(item) => onUnitsChanged(item.value as Length)}
+                            />
                             <TextInput
                                 inputMode="decimal"
                                 defaultValue={length}
@@ -124,7 +131,7 @@ export const ProductEditorItem = (props: ProductEditorItemProps) => {
                                 style={styles.lengthInput}
                                 aria-label="length"
                             />
-                            <Text>x</Text>
+                            <Text style={{flex: 1,}}>x</Text>
                             <TextInput
                                 inputMode="decimal"
                                 defaultValue={width}
@@ -158,33 +165,50 @@ export const ProductEditorItem = (props: ProductEditorItemProps) => {
 const styles = StyleSheet.create({
     deleteProductHighlight: {
 
+        padding: 5,
+        borderWidth: 1,
     },
     deleteProductButton: {
+        fontSize: 20,
+    },
+    detailsWrapper: {
 
     },
     priceSpecWrapper: {
-
+        flexDirection: "row",
     },
     priceLabel: {
-
     },
     priceInput: {
-
+        flex: 1,
+        borderWidth: 2,
+        borderColor: "lightgrey",
+        borderStyle: "solid",
     },
     per: {
-
+        padding: 5,
     },
     unitsLabel: {  
-
     },
     unitsSelect: {
-
+        flex: 1,
+        padding: 5,
     },
     lengthInput: {
-
+        flex: 1,
+        borderWidth: 2,
+        borderColor: "lightgrey",
+        borderStyle: "solid",
     },
     widthInput: {
-
+        flex: 1,
+        borderWidth: 2,
+        borderColor: "lightgrey",
+        borderStyle: "solid",
+    },
+    productListHeader: {
+        flexDirection: "row",
+        padding: 5,
     },
     productNameText: {
         paddingLeft: 10,

components/ProductList.tsx

@@ -1,39 +1,38 @@
-import { FlatList, StyleSheet, Text, TouchableHighlight } from "react-native";
+import { FlatList, ScrollView, StyleSheet, Text, TouchableHighlight } from "react-native";
 import { ProductTile } from "./ProductTile";
-import { Product } from "@/lib/product";
+import { Id, Product } from "@/lib/product";
-import { useState } from "react";
+import { Key, useEffect, useState } from "react";
 import { useSelector } from "react-redux";
 import { selectProducts } from "@/features/product/productSlice";
+import { useAppSelector } from "@/app/store";
 
 export type ProductSelectionProps = {
-    onProductSelected?: (product : Product) => any;
+  onProductSelected?: (product: Product) => any;
 }
 
-export default function ProductList ({onProductSelected} : ProductSelectionProps) {
+export default function ProductList({ onProductSelected }: ProductSelectionProps) {
-
-    const products = useSelector(selectProducts);
 
   const [activeProduct, setActiveProduct] = useState(null as null | Product);
+  const products = useAppSelector(selectProducts).filter(p => (!!p.dimensions));
 
-    function doOnProductSelected(product : Product) {
+  function doOnProductSelected(product: Product) {
     setActiveProduct(product);
     onProductSelected && onProductSelected(product);
   }
 
   return (
-      <FlatList
+    <ScrollView scrollToOverflowEnabled={true}>
-      data={products}
+      {products.map(product => {
-      style={styles.productSelectorFlatList}
-      renderItem={({ item }) => {
         return (
           <ProductTile
-                product={item}
+            product={product}
             onProductSelected={doOnProductSelected}
-                isActive={activeProduct === item}
+            isActive={activeProduct === product}
+            key={product.id}
           />
         );
-      } } />
+      })}
-
+    </ScrollView>
   )
 }
 

components/ProductTile.tsx

@@ -6,49 +6,50 @@ export type OnProductSelectedFunc = (product : Product) => any;
 
 type MyStyle = StyleProp<AnimatedStyle<StyleProp<ViewStyle>>>;
 
+type StyleSpec = {
+    highlight?: MyStyle,
+    text?: MyStyle,
+    image?: MyStyle,
+}
+
+
 export type ProductTileProps = {
     product: (Product),
     onProductSelected?: OnProductSelectedFunc,
     isActive: boolean,
-    style?: {
-        default?: {
-            highlight?: MyStyle,
-            text?: MyStyle,
-            image?: MyStyle,
-        }
-        active?: {
-            highlight?: MyStyle,
-            text?: MyStyle,
-            image?: MyStyle,
-        }
-    }
 }
 
 const FALLBACK_IMAGE = "";
 
-export function ProductTile ({product, onProductSelected, isActive, style} : ProductTileProps) {
+export function ProductTile ({product, onProductSelected, isActive} : ProductTileProps) {
-    const _style = (isActive ? style?.active : style?.default) || {};
+    const k = isActive ? "active" : "default";
     return (
 
         <TouchableHighlight
-            style={_style.highlight || styles.highlight}
+            style={styles[k].highlight}
             onPress={() => onProductSelected && onProductSelected(product)}>
-            <Text style={_style.text || styles.text}>{product.attributes.name || `Product ${product.id}`} ({product.pricePerUnitDisplay})</Text>
+            <Text style={styles[k].text}>{product.attributes.name || `Product ${product.id}`} ({product.pricePerUnitDisplay})</Text>
       </TouchableHighlight>
     );
 }
 
-const styles = StyleSheet.create({
+const styles = {
+    active: StyleSheet.create({
         highlight: {
-
+            padding: 10,
-    },
+            margin: 2,
-    image: {
+            color: "lightblue",
-
         },
         text: {
-
+        }
+    }),
+    default: StyleSheet.create({
+        highlight: {
+            padding: 10,
+            margin: 2,
+            backgroundColor: "lightgrey",
         },
-    tile: {
+        text: {
-
+        }
-    },
+    }),
-})
+}

components/UnitChooser.tsx

@@ -13,7 +13,7 @@ export default function UnitChooser({ choices, onChoicePressed, activeColor, def
     const [value, setValue] = useState(choices[0] as Length);
 
     activeColor = activeColor || "lightblue";
-    defaultColor = activeColor || "lightgrey";
+    defaultColor = defaultColor || "lightgrey";
 
     function doChoiceClicked(choice: Length) {
         setValue(choice);

components/__tests__/ProductCalculatorSelector-test.tsx

@@ -1,4 +1,4 @@
-import { render, fireEvent, screen, act } from '@testing-library/react-native';
+import { render, fireEvent, screen, act, within } from '@testing-library/react-native';
 import { Provider } from 'react-redux';
 import ProductCalculatorSelector from '@/components/ProductCalculatorSelector';
 import { renderWithProviders } from '@/lib/rendering';
@@ -61,10 +61,12 @@ describe('ProductCalculatorSelector', () => {
       fireEvent.changeText(widthInput, "4");
     });
     
-    jest.advanceTimersByTime(500);
+    jest.advanceTimersByTime(3000);
 
     const price = mockAreaProduct.priceFor({l: 2, w: 4, u: "ft"});
     const sPrice = price.toLocaleString(undefined, {maximumFractionDigits: 2, minimumFractionDigits: 2,});
-    expect(screen.getByLabelText("calculated price").find().toBeTruthy();
+    const element = screen.getByLabelText("calculated price");
+    const {getByText} = within(element);
+    expect(getByText(sPrice)).toBeTruthy();
   });
 });

features/product/productSlice.ts

@@ -146,10 +146,14 @@ const productsState = createSlice({
     }
 });
 
-export const selectProducts = (state: RootState) => {
+export const selectProductsDatas = (state: RootState) => {
-    return state.products.map(obj => Product.fromObject(obj));
+    return state.products;
 }
 
+export const selectProducts = createSelector([selectProductsDatas], productsData => {
+    return productsData.map(d => Product.fromObject(d));
+})
+
 export const selectProductIds = createSelector([selectProducts], products => {
     return products.map(p => p.id);
 })

lib/product.ts

@@ -66,7 +66,7 @@ export function dimensionArea(d: dimensions_t) {
 
 export class Product {
 
-    public id? : Id;
+    public id?: Id;
 
     constructor(public pricePerUnit: number, public dimensions: dimensions_t, public attributes: ProductAttributes = {},
         id?: Id,
@@ -74,12 +74,13 @@ export class Product {
         this.id = id || uuid.v4().toString();
     }
 
-    public priceFor(dimensions: dimensions_t): number {
+    public priceFor(dimensions: dimensions_t, damage : number): number {
+        if (Number.isNaN(damage)) damage = 0;
         const dim = matchDimensions(dimensions, this.dimensions);
         return (
             dim.w ? dimensionArea(dim) / dimensionArea(this.dimensions) * this.pricePerUnit
                 : (dim.l / this.dimensions.l) * this.pricePerUnit
-        )
+        ) * (1.0 - damage);
     }
 
     get priceDisplay() {
@@ -91,9 +92,9 @@ export class Product {
 
     get pricePerUnitDisplay() {
         const p = this.priceDisplay;
-        const {l, u} = this.dimensions;
+        const { l, u } = this.dimensions;
         const w = (this.dimensions as area_t).w || null;
-        const d = w ? `${l}${u} x ${l}${u}` : `${l}${u}`;
+        const d = w ? `${l}${u} x ${w}${u}` : `${l}${u}`;
         return `$${p} per ${d}`
     }
 
@@ -113,16 +114,16 @@ export class Product {
         );
     }
 
-    get asObject() : ProductData {
+    get asObject(): ProductData {
         return {
             id: this.id,
             pricePerUnit: this.pricePerUnit,
-            dimensions: JSON.parse(JSON.stringify(this.dimensions)),
+            dimensions: this.dimensions,
             attributes: this.attributes,
         }
     }
 
-    static fromObject({id, pricePerUnit, dimensions, attributes} : ProductData) {
+    static fromObject({ id, pricePerUnit, dimensions, attributes }: ProductData) {
         return new Product(
             pricePerUnit,
             dimensions,

package.json

@@ -5,7 +5,7 @@
   "scripts": {
     "start": "expo start",
     "reset-project": "node ./scripts/reset-project.js",
-    "android": "expo start --android",
+    "android": "expo start --android  --offline",
     "ios": "expo start --ios",
     "web": "expo start --web --offline",
     "test": "jest --watchAll",
@@ -15,9 +15,11 @@
     "@babel/runtime": "^7.24.7",
     "@expo/vector-icons": "^14.0.2",
     "@react-native-async-storage/async-storage": "^1.23.1",
+    "@react-native-community/slider": "^4.5.2",
     "@react-native/assets-registry": "^0.74.84",
     "@react-navigation/native": "^6.1.17",
     "@reduxjs/toolkit": "^2.2.5",
+    "@slider": "link:@react-native-community/@slider",
     "@testing-library/react-native": "^12.5.1",
     "@types/js-quantities": "^1.6.6",
     "class-transformer": "^0.5.1",
@@ -38,6 +40,7 @@
     "react": "18.2.0",
     "react-dom": "18.2.0",
     "react-native": "0.74.2",
+    "react-native-element-dropdown": "^2.12.1",
     "react-native-flex-grid": "^1.0.4",
     "react-native-gesture-handler": "~2.16.2",
     "react-native-reanimated": "~3.10.1",

pnpm-lock.yaml

@@ -14,6 +14,9 @@ dependencies:
   '@react-native-async-storage/async-storage':
     specifier: ^1.23.1
     version: 1.23.1(react-native@0.74.2)
+  '@react-native-community/slider':
+    specifier: ^4.5.2
+    version: 4.5.2
   '@react-native/assets-registry':
     specifier: ^0.74.84
     version: 0.74.84
@@ -23,6 +26,9 @@ dependencies:
   '@reduxjs/toolkit':
     specifier: ^2.2.5
     version: 2.2.5(react-redux@9.1.2)(react@18.2.0)
+  '@slider':
+    specifier: link:@react-native-community/@slider
+    version: link:@react-native-community/@slider
   '@testing-library/react-native':
     specifier: ^12.5.1
     version: 12.5.1(jest@29.7.0)(react-native@0.74.2)(react-test-renderer@18.2.0)(react@18.2.0)
@@ -83,6 +89,9 @@ dependencies:
   react-native:
     specifier: 0.74.2
     version: 0.74.2(@babel/core@7.24.7)(@babel/preset-env@7.24.7)(@types/react@18.2.79)(react@18.2.0)
+  react-native-element-dropdown:
+    specifier: ^2.12.1
+    version: 2.12.1(react-native@0.74.2)(react@18.2.0)
   react-native-flex-grid:
     specifier: ^1.0.4
     version: 1.0.4(react-native@0.74.2)(react@18.2.0)
@@ -2718,6 +2727,10 @@ packages:
       - utf-8-validate
     dev: false
 
+  /@react-native-community/slider@4.5.2:
+    resolution: {integrity: sha512-DbFyCyI7rwl0FkBkp0lzEVp+5mNfS5qU/nM2sK2aSguWhj0Odkt1aKHP2iW/ljruOhgS/O4dEixXlne4OdZJDQ==}
+    dev: false
+
   /@react-native/assets-registry@0.74.84:
     resolution: {integrity: sha512-dzUhwyaX04QosWZ8zyaaNB/WYZIdeDN1lcpfQbqiOhZJShRH+FLTDVONE/dqlMQrP+EO7lDqF0RrlIt9lnOCQQ==}
     engines: {node: '>=18'}
@@ -8771,6 +8784,18 @@ packages:
   /react-is@18.3.1:
     resolution: {integrity: sha512-/LLMVyas0ljjAtoYiPqYiL8VWXzUUdThrmU5+n20DZv+a+ClRoevUzw5JxU+Ieh5/c87ytoTBV9G1FiKfNJdmg==}
 
+  /react-native-element-dropdown@2.12.1(react-native@0.74.2)(react@18.2.0):
+    resolution: {integrity: sha512-Z3uWNFBoezDEsy9AZJxoDc9DxoAdfeprUjaInmbuzYOk6R0Y0UZ659JIalX20XNvrNRWJUfSZwbM94jWYNsIyw==}
+    engines: {node: '>= 16.0.0'}
+    peerDependencies:
+      react: '*'
+      react-native: '*'
+    dependencies:
+      lodash: 4.17.21
+      react: 18.2.0
+      react-native: 0.74.2(@babel/core@7.24.7)(@babel/preset-env@7.24.7)(@types/react@18.2.79)(react@18.2.0)
+    dev: false
+
   /react-native-flex-grid@1.0.4(react-native@0.74.2)(react@18.2.0):
     resolution: {integrity: sha512-VFadQy3JpgBM2fNsn7W/TdebZ0JNeZgedxPJ0Xi6o+HQJU8j43YGUsGot72rEMWlzaAJCGQnMQXkW9vX+E2n5w==}
     peerDependencies: