From 4dc2f3b9b9cb3a767487626d60652520d27cca39 Mon Sep 17 00:00:00 2001
From: MartinBraquet <martin.braquet@gmail.com>
Date: Wed, 1 Oct 2025 08:56:03 +0200
Subject: [PATCH] Add Community Growth over Time

---
 web/components/widgets/charts.tsx | 63 ++++++++++++++++++++++---------
 web/lib/supabase/users.ts         | 34 +++++++++++------
 web/pages/charts.tsx              |  2 +-
 3 files changed, 69 insertions(+), 30 deletions(-)

diff --git a/web/components/widgets/charts.tsx b/web/components/widgets/charts.tsx
index 386a3dc9..2465983d 100644
--- a/web/components/widgets/charts.tsx
+++ b/web/components/widgets/charts.tsx
@@ -1,6 +1,6 @@
-// ChartComponent.jsx
-import { useEffect, useState } from "react";
-import { LineChart, Line, XAxis, YAxis, CartesianGrid, Tooltip, ResponsiveContainer } from "recharts";
+import {useEffect, useState} from "react";
+import {CartesianGrid, Line, LineChart, ResponsiveContainer, Tooltip, XAxis, YAxis} from "recharts";
+import {getUserCreations} from "web/lib/supabase/users";
 
 export default function ChartComponent() {
   const [data, setData] = useState([]);
@@ -8,28 +8,57 @@ export default function ChartComponent() {
   useEffect(() => {
     async function loadData() {
       // Load some data from the backend API or Supabase
-      // const res = await fetch("http://localhost:5000/api/data");
-      // const json = await res.json();
-      const json: any = [
-        { date: '2023-01-01', value: 400 },
-        { date: '2023-02-01', value: 300 },
-        { date: '2023-03-01', value: 500 },
-        { date: '2023-04-01', value: 200 },
-        { date: '2023-05-01', value: 600 },
-      ]
+      const data = await getUserCreations()
+      let counts: { [date: string]: number } = {}
+      data.forEach((d) => {
+        const date = new Date(d.created_time).toISOString().split('T')[0]
+        counts[date] = (counts[date] || 0) + 1
+      })
+      const json: any = Object.entries(counts).map(([date, value]) => ({date, value}))
+      let prev = 0
+      for (let i = 0; i < json.length; i++) {
+        json[i].value += prev
+        prev = json[i].value
+      }
+      json.sort((a: any, b: any) => a.date.localeCompare(b.date))
+
+      // Example static data
+      // const json: any = [
+      //   { date: '2023-01-01', value: 400 },
+      //   { date: '2023-02-01', value: 300 },
+      //   { date: '2023-03-01', value: 500 },
+      //   { date: '2023-04-01', value: 200 },
+      //   { date: '2023-05-01', value: 600 },
+      // ]
       setData(json);
     }
+
     loadData();
   }, []);
 
   return (
     <ResponsiveContainer width="100%" height={400}>
       <LineChart data={data}>
-        <CartesianGrid strokeDasharray="3 3" />
-        <XAxis dataKey="date" />
-        <YAxis />
-        <Tooltip />
-        <Line type="monotone" dataKey="value" stroke="#2563eb" strokeWidth={2} />
+        <CartesianGrid strokeDasharray="3 3"/>
+        <XAxis dataKey="date" label={{value: "Date", position: "insideBottomRight", offset: -5}}/>
+        <YAxis label={{value: "Number of Members", angle: -90, position: "insideLeft"}}/>
+        <Tooltip
+          contentStyle={{
+            backgroundColor: "rgb(var(--color-canvas-100))",
+            border: "none",
+            borderRadius: "8px",
+            color: "rgb(var(--color-primary-900))",
+          }}
+          labelStyle={{
+            color: "rgb(var(--color-primary-900))",
+          }}
+        />
+        <Line
+          type="monotone"
+          dataKey="value"
+          stroke="rgb(var(--color-primary-900))"
+          strokeWidth={2}
+        />
       </LineChart>
     </ResponsiveContainer>
   );
diff --git a/web/lib/supabase/users.ts b/web/lib/supabase/users.ts
index b48797c6..54f93b6b 100644
--- a/web/lib/supabase/users.ts
+++ b/web/lib/supabase/users.ts
@@ -1,9 +1,10 @@
-import { db } from './db'
-import { run } from 'common/supabase/utils'
-import { APIError, api } from 'web/lib/api'
-import { unauthedApi } from 'common/util/api'
-import type { DisplayUser } from 'common/api/user-types'
-export type { DisplayUser }
+import {db} from './db'
+import {run} from 'common/supabase/utils'
+import {APIError, api} from 'web/lib/api'
+import {unauthedApi} from 'common/util/api'
+import type {DisplayUser} from 'common/api/user-types'
+
+export type {DisplayUser}
 
 export async function getUserSafe(userId: string) {
   try {
@@ -25,27 +26,27 @@ export async function getPrivateUserSafe() {
 }
 
 export async function getUserById(id: string) {
-  return unauthedApi('user/by-id/:id/lite', { id })
+  return unauthedApi('user/by-id/:id/lite', {id})
 }
 
 export async function getUserByUsername(username: string) {
-  return unauthedApi('user/:username/lite', { username })
+  return unauthedApi('user/:username/lite', {username})
 }
 
 export async function getFullUserByUsername(username: string) {
-  return unauthedApi('user/:username', { username })
+  return unauthedApi('user/:username', {username})
 }
 
 export async function getFullUserById(id: string) {
-  return unauthedApi('user/by-id/:id', { id })
+  return unauthedApi('user/by-id/:id', {id})
 }
 
 export async function searchUsers(prompt: string, limit: number) {
-  return unauthedApi('search-users', { term: prompt, limit: limit })
+  return unauthedApi('search-users', {term: prompt, limit: limit})
 }
 
 export async function getDisplayUsers(userIds: string[]) {
-  const { data } = await run(
+  const {data} = await run(
     db
       .from('users')
       .select(`id, name, username, data->avatarUrl, data->isBannedFromPosting`)
@@ -54,3 +55,12 @@ export async function getDisplayUsers(userIds: string[]) {
 
   return data as unknown as DisplayUser[]
 }
+
+export async function getUserCreations() {
+  const {data} = await run(
+    db.from('users')
+      .select(`id, created_time`)
+      .order('created_time')
+  )
+  return data
+}
\ No newline at end of file
diff --git a/web/pages/charts.tsx b/web/pages/charts.tsx
index 092ee716..07240940 100644
--- a/web/pages/charts.tsx
+++ b/web/pages/charts.tsx
@@ -6,7 +6,7 @@ export default function Charts() {
     <LovePage
       trackPageView={'charts'}
     >
-      <h1 className="text-3xl font-semibold text-center mb-6">An example of dynamic charts</h1>
+      <h1 className="text-3xl font-semibold text-center mb-6">Community Growth over Time</h1>
       <ChartComponent/>
     </LovePage>
   );