checkpoint

frontend/src/services/User.ts

@@ -0,0 +1,43 @@
+import type { Spending } from './Spending'
+
+export class User {
+  name: string
+  spendings: Array<Spending>
+
+  constructor(name: string) {
+    this.name = name
+    this.spendings = Array<Spending>()
+  }
+
+  addSpending(spending: Spending): void {
+    spending.setSpender(this)
+    this.spendings.push(spending)
+  }
+
+  getTotalSpending(): number {
+    return this.spendings.map((w) => w.amountCt).reduce((acc, num) => acc + num, 0)
+  }
+
+  getInitials(): string {
+    if (!this.name) return ''
+
+    const words = this.name
+      .trim()
+      .split(/\s+/)
+      .filter((word) => word.length > 0)
+
+    if (words.length === 0) return ''
+
+    if (words.length === 1) {
+      const firstWord = words[0]
+      if (!firstWord || firstWord.length === 0) return ''
+      return firstWord.substring(0, 2).toUpperCase()
+    }
+
+    const firstWord = words[0]
+    const secondWord = words[1]
+    if (!firstWord || !secondWord || firstWord.length === 0 || secondWord.length === 0) return ''
+
+    return (firstWord[0]! + secondWord[0]!).toUpperCase()
+  }
+}