From 2f991e680bea37d1f97ea77df2343200f3899817 Mon Sep 17 00:00:00 2001
From: Anurag <anurag4884@gmail.com>
Date: Wed, 28 Feb 2024 21:13:25 +0530
Subject: feat: initialise a new totals tab with basic UI (#94)

* feat: initialise a new totals tab with basic UI

* fix: update group tabs and add stats page

* fix: styling within the new elements

* Prettier

* Display active user expenses only if active user is set

---------

Co-authored-by: Sebastien Castiel <sebastien@castiel.me>
---
 src/app/groups/[groupId]/stats/page.tsx            | 49 ++++++++++++++++++++++
 .../[groupId]/stats/totals-group-spending.tsx      | 17 ++++++++
 .../groups/[groupId]/stats/totals-your-share.tsx   | 34 +++++++++++++++
 .../[groupId]/stats/totals-your-spending.tsx       | 30 +++++++++++++
 src/app/groups/[groupId]/stats/totals.tsx          | 34 +++++++++++++++
 5 files changed, 164 insertions(+)
 create mode 100644 src/app/groups/[groupId]/stats/page.tsx
 create mode 100644 src/app/groups/[groupId]/stats/totals-group-spending.tsx
 create mode 100644 src/app/groups/[groupId]/stats/totals-your-share.tsx
 create mode 100644 src/app/groups/[groupId]/stats/totals-your-spending.tsx
 create mode 100644 src/app/groups/[groupId]/stats/totals.tsx

(limited to 'src/app/groups/[groupId]/stats')

diff --git a/src/app/groups/[groupId]/stats/page.tsx b/src/app/groups/[groupId]/stats/page.tsx
new file mode 100644
index 0000000..eb7fa9e
--- /dev/null
+++ b/src/app/groups/[groupId]/stats/page.tsx
@@ -0,0 +1,49 @@
+import { cached } from '@/app/cached-functions'
+import { Totals } from '@/app/groups/[groupId]/stats/totals'
+import {
+  Card,
+  CardContent,
+  CardDescription,
+  CardHeader,
+  CardTitle,
+} from '@/components/ui/card'
+import { getGroupExpenses } from '@/lib/api'
+import { getTotalGroupSpending } from '@/lib/totals'
+import { Metadata } from 'next'
+import { notFound } from 'next/navigation'
+
+export const metadata: Metadata = {
+  title: 'Totals',
+}
+
+export default async function TotalsPage({
+  params: { groupId },
+}: {
+  params: { groupId: string }
+}) {
+  const group = await cached.getGroup(groupId)
+  if (!group) notFound()
+
+  const expenses = await getGroupExpenses(groupId)
+  const totalGroupSpendings = getTotalGroupSpending(expenses)
+
+  return (
+    <>
+      <Card className="mb-4">
+        <CardHeader>
+          <CardTitle>Totals</CardTitle>
+          <CardDescription>
+            Spending summary of the entire group.
+          </CardDescription>
+        </CardHeader>
+        <CardContent className="flex flex-col space-y-4">
+          <Totals
+            group={group}
+            expenses={expenses}
+            totalGroupSpendings={totalGroupSpendings}
+          />
+        </CardContent>
+      </Card>
+    </>
+  )
+}
diff --git a/src/app/groups/[groupId]/stats/totals-group-spending.tsx b/src/app/groups/[groupId]/stats/totals-group-spending.tsx
new file mode 100644
index 0000000..3c0c96d
--- /dev/null
+++ b/src/app/groups/[groupId]/stats/totals-group-spending.tsx
@@ -0,0 +1,17 @@
+import { formatCurrency } from '@/lib/utils'
+
+type Props = {
+  totalGroupSpendings: number
+  currency: string
+}
+
+export function TotalsGroupSpending({ totalGroupSpendings, currency }: Props) {
+  return (
+    <div>
+      <div className="text-muted-foreground">Total group spendings</div>
+      <div className="text-lg">
+        {formatCurrency(currency, totalGroupSpendings)}
+      </div>
+    </div>
+  )
+}
diff --git a/src/app/groups/[groupId]/stats/totals-your-share.tsx b/src/app/groups/[groupId]/stats/totals-your-share.tsx
new file mode 100644
index 0000000..3218d6f
--- /dev/null
+++ b/src/app/groups/[groupId]/stats/totals-your-share.tsx
@@ -0,0 +1,34 @@
+'use client'
+import { getGroup, getGroupExpenses } from '@/lib/api'
+import { getTotalActiveUserShare } from '@/lib/totals'
+import { formatCurrency } from '@/lib/utils'
+import { useEffect, useState } from 'react'
+
+type Props = {
+  group: NonNullable<Awaited<ReturnType<typeof getGroup>>>
+  expenses: NonNullable<Awaited<ReturnType<typeof getGroupExpenses>>>
+}
+
+export function TotalsYourShare({ group, expenses }: Props) {
+  const [activeUser, setActiveUser] = useState('')
+
+  useEffect(() => {
+    const activeUser = localStorage.getItem(`${group.id}-activeUser`)
+    if (activeUser) setActiveUser(activeUser)
+  }, [group, expenses])
+
+  const totalActiveUserShare =
+    activeUser === '' || activeUser === 'None'
+      ? 0
+      : getTotalActiveUserShare(activeUser, expenses)
+  const currency = group.currency
+
+  return (
+    <div>
+      <div className="text-muted-foreground">Your total share</div>
+      <div className="text-lg">
+        {formatCurrency(currency, totalActiveUserShare)}
+      </div>
+    </div>
+  )
+}
diff --git a/src/app/groups/[groupId]/stats/totals-your-spending.tsx b/src/app/groups/[groupId]/stats/totals-your-spending.tsx
new file mode 100644
index 0000000..f621a41
--- /dev/null
+++ b/src/app/groups/[groupId]/stats/totals-your-spending.tsx
@@ -0,0 +1,30 @@
+'use client'
+import { getGroup, getGroupExpenses } from '@/lib/api'
+import { useActiveUser } from '@/lib/hooks'
+import { getTotalActiveUserPaidFor } from '@/lib/totals'
+import { formatCurrency } from '@/lib/utils'
+
+type Props = {
+  group: NonNullable<Awaited<ReturnType<typeof getGroup>>>
+  expenses: NonNullable<Awaited<ReturnType<typeof getGroupExpenses>>>
+}
+
+export function TotalsYourSpendings({ group, expenses }: Props) {
+  const activeUser = useActiveUser(group.id)
+
+  const totalYourSpendings =
+    activeUser === '' || activeUser === 'None'
+      ? 0
+      : getTotalActiveUserPaidFor(activeUser, expenses)
+  const currency = group.currency
+
+  return (
+    <div>
+      <div className="text-muted-foreground">Total you paid for</div>
+
+      <div className="text-lg">
+        {formatCurrency(currency, totalYourSpendings)}
+      </div>
+    </div>
+  )
+}
diff --git a/src/app/groups/[groupId]/stats/totals.tsx b/src/app/groups/[groupId]/stats/totals.tsx
new file mode 100644
index 0000000..aa32037
--- /dev/null
+++ b/src/app/groups/[groupId]/stats/totals.tsx
@@ -0,0 +1,34 @@
+'use client'
+import { TotalsGroupSpending } from '@/app/groups/[groupId]/stats/totals-group-spending'
+import { TotalsYourShare } from '@/app/groups/[groupId]/stats/totals-your-share'
+import { TotalsYourSpendings } from '@/app/groups/[groupId]/stats/totals-your-spending'
+import { getGroup, getGroupExpenses } from '@/lib/api'
+import { useActiveUser } from '@/lib/hooks'
+
+export function Totals({
+  group,
+  expenses,
+  totalGroupSpendings,
+}: {
+  group: NonNullable<Awaited<ReturnType<typeof getGroup>>>
+  expenses: NonNullable<Awaited<ReturnType<typeof getGroupExpenses>>>
+  totalGroupSpendings: number
+}) {
+  const activeUser = useActiveUser(group.id)
+  console.log('activeUser', activeUser)
+
+  return (
+    <>
+      <TotalsGroupSpending
+        totalGroupSpendings={totalGroupSpendings}
+        currency={group.currency}
+      />
+      {activeUser && activeUser !== 'None' && (
+        <>
+          <TotalsYourSpendings group={group} expenses={expenses} />
+          <TotalsYourShare group={group} expenses={expenses} />
+        </>
+      )}
+    </>
+  )
+}
-- 
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