From 12d42ea06df3242ad58ed9002a9332e48290ee52 Mon Sep 17 00:00:00 2001
From: adontu06 <adontu@ucsd.edu>
Date: Wed, 14 May 2025 10:17:02 -0700
Subject: [PATCH] Line and Pie Charts for Expense Transation (Components)

---
 .../NewTransaction/TransactionLineChart.tsx   | 41 +++++++++++++++
 .../NewTransaction/TransactionPieChart.tsx    | 52 +++++++++++++++++++
 2 files changed, 93 insertions(+)
 create mode 100644 frontend/components/NewTransaction/TransactionLineChart.tsx
 create mode 100644 frontend/components/NewTransaction/TransactionPieChart.tsx

diff --git a/frontend/components/NewTransaction/TransactionLineChart.tsx b/frontend/components/NewTransaction/TransactionLineChart.tsx
new file mode 100644
index 0000000..3536948
--- /dev/null
+++ b/frontend/components/NewTransaction/TransactionLineChart.tsx
@@ -0,0 +1,41 @@
+import React from "react";
+import { View, Text } from "react-native";
+import {
+  LineChart,
+  Line,
+  XAxis,
+  YAxis,
+  CartesianGrid,
+  Tooltip,
+  ResponsiveContainer,
+} from "recharts";
+
+// Dummy data for now – replace with props later if you want
+const data = [
+  { name: "Mon", amount: 50 },
+  { name: "Tue", amount: 80 },
+  { name: "Wed", amount: 40 },
+  { name: "Thu", amount: 100 },
+  { name: "Fri", amount: 60 },
+];
+
+const TransactionChart: React.FC = () => {
+  return (
+    <View style={{ height: 250, width: "100%", marginTop: 20 }}>
+      <Text style={{ fontWeight: "bold", fontSize: 16, marginBottom: 10 }}>
+        Daily Spending Amount
+      </Text>
+      <ResponsiveContainer width="100%" height="100%">
+        <LineChart data={data}>
+          <CartesianGrid stroke="#ccc" />
+          <XAxis dataKey="name" />
+          <YAxis />
+          <Tooltip />
+          <Line type="monotone" dataKey="amount" stroke="#8884d8" strokeWidth={2} />
+        </LineChart>
+      </ResponsiveContainer>
+    </View>
+  );
+};
+
+export default TransactionChart;
\ No newline at end of file
diff --git a/frontend/components/NewTransaction/TransactionPieChart.tsx b/frontend/components/NewTransaction/TransactionPieChart.tsx
new file mode 100644
index 0000000..afd5d08
--- /dev/null
+++ b/frontend/components/NewTransaction/TransactionPieChart.tsx
@@ -0,0 +1,52 @@
+import React from "react";
+import { View, Text } from "react-native";
+import {
+  PieChart,
+  Pie,
+  Cell,
+  Tooltip,
+  Legend,
+  ResponsiveContainer,
+} from "recharts";
+
+// Dummy category-spending data – replace or pass via props
+const data = [
+  { category: "Food", value: 150 },
+  { category: "Drinks", value: 75 },
+  { category: "Entertainment", value: 100 },
+  { category: "Groceries", value: 125 },
+  { category: "Other", value: 50 },
+];
+
+const COLORS = ["#8884d8", "#82ca9d", "#ffc658", "#ff8042", "#00C49F"];
+
+const CategoryPieChart: React.FC = () => {
+  return (
+    <View style={{ height: 250, width: "100%", marginTop: 20 }}>
+      <Text style={{ fontWeight: "bold", fontSize: 16, marginBottom: 10 }}>
+        Spending by Category
+      </Text>
+      <ResponsiveContainer width="100%" height="100%">
+        <PieChart>
+          <Pie
+            data={data}
+            dataKey="value"
+            nameKey="category"
+            cx="50%"
+            cy="50%"
+            outerRadius={80}
+            label
+          >
+            {data.map((entry, index) => (
+              <Cell key={`cell-${index}`} fill={COLORS[index % COLORS.length]} />
+            ))}
+          </Pie>
+          <Tooltip />
+          <Legend />
+        </PieChart>
+      </ResponsiveContainer>
+    </View>
+  );
+};
+
+export default CategoryPieChart;
\ No newline at end of file