From 9c5a8fd2c4d988a9a46463da8e1aa2621e3ca496 Mon Sep 17 00:00:00 2001
From: Katja Lutz <mail@katjalutz.ch>
Date: Thu, 30 Jun 2022 11:30:01 +0200
Subject: [PATCH] feat: implemented AgileCalculator component

---
 src/components/AgileCalculator.tsx | 150 +++++++++++++++++++++++++++++
 1 file changed, 150 insertions(+)
 create mode 100644 src/components/AgileCalculator.tsx

diff --git a/src/components/AgileCalculator.tsx b/src/components/AgileCalculator.tsx
new file mode 100644
index 0000000..2573e49
--- /dev/null
+++ b/src/components/AgileCalculator.tsx
@@ -0,0 +1,150 @@
+import Big from "big.js";
+import { Component, createMemo } from "solid-js";
+import { createStore } from "solid-js/store";
+import { TextInput } from "./Form";
+import { calculateAgileQuantity } from "./Positions";
+import { formatAmount } from "./SwissInvoice";
+
+const AgileCalculator: Component = () => {
+  const [agileCalculator, setAgileCalculator] = createStore({
+    minPoints: 0,
+    maxPoints: 10,
+    risk: 70,
+    singlePrice: 10.0,
+    hoursPerPoint: 1,
+  });
+  const calculatorQuantity = createMemo(() =>
+    calculateAgileQuantity(
+      agileCalculator.hoursPerPoint,
+      new Big(agileCalculator.risk).div(100).toNumber(),
+      agileCalculator.minPoints,
+      agileCalculator.maxPoints
+    )
+  );
+
+  return (
+    <div class="border border-slate-500/40 flex flex-col gap-2 p-2 rounded mb-3">
+      <h3 class="mt-0">Rechnungsbeispiel</h3>
+      <TextInput
+        labelMinWidth="300px"
+        label="Risiko Faktor"
+        suffix="%"
+        step="10"
+        min="0"
+        max="100"
+        type="number"
+        value={agileCalculator.risk}
+        onInput={(e) =>
+          !Number.isNaN(e.currentTarget.valueAsNumber) &&
+          setAgileCalculator("risk", e.currentTarget.valueAsNumber)
+        }
+      />
+      <TextInput
+        labelMinWidth="300px"
+        label="Stunden pro Story Point"
+        min="0"
+        type="number"
+        value={agileCalculator.hoursPerPoint}
+        onInput={(e) =>
+          !Number.isNaN(e.currentTarget.valueAsNumber) &&
+          setAgileCalculator("hoursPerPoint", e.currentTarget.valueAsNumber)
+        }
+      />
+      <TextInput
+        labelMinWidth="300px"
+        label="Story Points Minimum"
+        min="0"
+        type="number"
+        value={agileCalculator.minPoints}
+        onInput={(e) =>
+          !Number.isNaN(e.currentTarget.valueAsNumber) &&
+          setAgileCalculator("minPoints", e.currentTarget.valueAsNumber)
+        }
+      />
+      <TextInput
+        labelMinWidth="300px"
+        label="Story Points Maximum"
+        min="0"
+        type="number"
+        value={agileCalculator.maxPoints}
+        onInput={(e) =>
+          !Number.isNaN(e.currentTarget.valueAsNumber) &&
+          setAgileCalculator("maxPoints", e.currentTarget.valueAsNumber)
+        }
+      />
+      <TextInput
+        labelMinWidth="300px"
+        label="Einzelpreis"
+        step="0.01"
+        suffix="CHF"
+        type="number"
+        value={agileCalculator.singlePrice}
+        onInput={(e) =>
+          !Number.isNaN(e.currentTarget.valueAsNumber) &&
+          setAgileCalculator("singlePrice", e.currentTarget.valueAsNumber)
+        }
+      />
+      <div class="items-center grid grid-cols-[300px_1fr] gap-2">
+        <div class="p-1 font-mono text-sm text-right">
+          {"("}
+          <span title="Nichtrisiko Anteil" class="text-title-border">
+            {new Big(-100).plus(agileCalculator.risk).abs().toNumber()}%
+          </span>{" "}
+          *{" "}
+          <span title="Story Points Minimum" class="text-title-border">
+            {agileCalculator.minPoints} SP
+          </span>
+          {")"} + {"("}
+          <span title="Risiko Anteil" class="text-title-border">
+            {agileCalculator.risk}%
+          </span>{" "}
+          *{" "}
+          <span title="Story Points Maximum" class="text-title-border">
+            {agileCalculator.maxPoints > agileCalculator.minPoints
+              ? agileCalculator.maxPoints
+              : agileCalculator.minPoints}{" "}
+            SP
+          </span>
+          {")"} =
+        </div>
+        <div class="p-1">
+          <div class="flex justify-between">
+            <span>Gewichtete Story Points:</span>
+            {new Big(calculatorQuantity())
+              .div(agileCalculator.hoursPerPoint)
+              .toNumber()}{" "}
+            SP
+          </div>
+        </div>
+        <div class="p-1 font-mono text-sm text-right">
+          <span title="Gewichtete Story Points" class="text-title-border">
+            {new Big(calculatorQuantity())
+              .div(agileCalculator.hoursPerPoint)
+              .toNumber()}{" "}
+            SP
+          </span>{" "}
+          *{" "}
+          <span title="Stunden pro Story Point" class="text-title-border">
+            {agileCalculator.hoursPerPoint} h
+          </span>{" "}
+          *{" "}
+          <span title="Einzelpreis" class="text-title-border">
+            {agileCalculator.singlePrice} CHF
+          </span>{" "}
+          =
+        </div>
+        <div class="p-1 font-bold">
+          <div class="flex justify-between">
+            <span>Gesamtpreis:</span>
+            {formatAmount(
+              calculatorQuantity() * agileCalculator.singlePrice
+            )}{" "}
+            CHF
+          </div>
+        </div>
+      </div>
+    </div>
+  );
+};
+
+export default AgileCalculator;