[feat] Can choose csv file, and add relation pkg.

README.md

@@ -50,6 +50,7 @@ pnpm i
 - Must: DATABASE_URL
 ```bash
 pnpm db:dev # init schema
+pnpm prisma migrate deploy # A new database 'splitpro' created
 ```
 - Option: R2 related
 

package.json

@@ -49,6 +49,7 @@
     "class-variance-authority": "^0.7.0",
     "clsx": "^2.1.0",
     "cmdk": "^0.2.0",
+    "csv-parse": "^5.6.0",
     "date-fns": "^3.3.1",
     "framer-motion": "^11.0.3",
     "geist": "^1.2.1",
@@ -62,6 +63,7 @@
     "nextra": "^2.13.4",
     "nextra-theme-blog": "^2.13.4",
     "nodemailer": "^6.9.8",
+    "papaparse": "^5.5.2",
     "react": "18.2.0",
     "react-day-picker": "^8.10.0",
     "react-dom": "18.2.0",
@@ -78,10 +80,12 @@
     "zustand": "^4.5.0"
   },
   "devDependencies": {
+    "@types/csv-parse": "^1.2.5",
     "@types/eslint": "^8.44.7",
     "@types/next-pwa": "^5.6.9",
     "@types/node": "^18.17.0",
     "@types/nodemailer": "^6.4.15",
+    "@types/papaparse": "^5.3.15",
     "@types/react": "^18.2.37",
     "@types/react-dom": "^18.2.15",
     "@types/web-push": "^3.6.3",

pnpm-lock.yaml

@@ -83,6 +83,9 @@ dependencies:
   cmdk:
     specifier: ^0.2.0
     version: 0.2.0(@types/react@18.2.48)(react-dom@18.2.0)(react@18.2.0)
+  csv-parse:
+    specifier: ^5.6.0
+    version: 5.6.0
   date-fns:
     specifier: ^3.3.1
     version: 3.3.1
@@ -122,6 +125,9 @@ dependencies:
   nodemailer:
     specifier: ^6.9.8
     version: 6.9.8
+  papaparse:
+    specifier: ^5.5.2
+    version: 5.5.2
   react:
     specifier: 18.2.0
     version: 18.2.0
@@ -166,6 +172,9 @@ dependencies:
     version: 4.5.0(@types/react@18.2.48)(react@18.2.0)
 
 devDependencies:
+  '@types/csv-parse':
+    specifier: ^1.2.5
+    version: 1.2.5
   '@types/eslint':
     specifier: ^8.44.7
     version: 8.56.2
@@ -178,6 +187,9 @@ devDependencies:
   '@types/nodemailer':
     specifier: ^6.4.15
     version: 6.4.15
+  '@types/papaparse':
+    specifier: ^5.3.15
+    version: 5.3.15
   '@types/react':
     specifier: ^18.2.37
     version: 18.2.48
@@ -4348,6 +4360,13 @@ packages:
       '@types/estree': 1.0.5
     dev: false
 
+  /@types/csv-parse@1.2.5:
+    resolution: {integrity: sha512-3PoFyWeuFGqale09vFydLQ6IGdvD+mizcXcB8s6ImWv+830IF0HckvewgcGVfGnTFImqvfvhpYZYod2QqGGGdg==}
+    deprecated: This is a stub types definition. csv-parse provides its own type definitions, so you do not need this installed.
+    dependencies:
+      csv-parse: 5.6.0
+    dev: true
+
   /@types/d3-scale-chromatic@3.0.3:
     resolution: {integrity: sha512-laXM4+1o5ImZv3RpFAsTRn3TEkzqkytiOY0Dz0sq5cnd1dtNlk6sHLon4OvqaiJb28T0S/TdsBI3Sjsy+keJrw==}
     dev: false
@@ -4481,6 +4500,12 @@ packages:
       '@types/node': 18.19.8
     dev: true
 
+  /@types/papaparse@5.3.15:
+    resolution: {integrity: sha512-JHe6vF6x/8Z85nCX4yFdDslN11d+1pr12E526X8WAfhadOeaOTx5AuIkvDKIBopfvlzpzkdMx4YyvSKCM9oqtw==}
+    dependencies:
+      '@types/node': 18.19.8
+    dev: true
+
   /@types/prop-types@15.7.11:
     resolution: {integrity: sha512-ga8y9v9uyeiLdpKddhxYQkxNDrfvuPrlFb0N1qnZZByvcElJaXthF1UhvCh9TLWJBEHeNtdnbysW7Y6Uq8CVng==}
 
@@ -4781,6 +4806,7 @@ packages:
 
   /acorn-import-assertions@1.9.0(acorn@8.11.3):
     resolution: {integrity: sha512-cmMwop9x+8KFhxvKrKfPYmN6/pKTYYHBqLa0DfvVZcKMJWNyWLnaqND7dx/qn66R7ewM1UX5XMaDVP5wlVTaVA==}
+    deprecated: package has been renamed to acorn-import-attributes
     peerDependencies:
       acorn: ^8
     dependencies:
@@ -5554,6 +5580,9 @@ packages:
   /csstype@3.1.3:
     resolution: {integrity: sha512-M1uQkMl8rQK/szD0LNhtqxIPLpimGm8sOBwU7lLnCpSbTyY3yeU1Vc7l4KT5zT4s/yOxHH5O7tIuuLOCnLADRw==}
 
+  /csv-parse@5.6.0:
+    resolution: {integrity: sha512-l3nz3euub2QMg5ouu5U09Ew9Wf6/wQ8I++ch1loQ0ljmzhmfZYrH9fflS22i/PQEvsPvxCwxgz5q7UB8K1JO4Q==}
+
   /cytoscape-cose-bilkent@4.1.0(cytoscape@3.28.1):
     resolution: {integrity: sha512-wgQlVIUJF13Quxiv5e1gstZ08rnZj2XaLHGoFMYXz7SkNfCDOOteKBE6SYRfA9WxxI/iBc3ajfDoc6hb/MRAHQ==}
     peerDependencies:
@@ -8993,6 +9022,10 @@ packages:
     engines: {node: '>=6'}
     dev: false
 
+  /papaparse@5.5.2:
+    resolution: {integrity: sha512-PZXg8UuAc4PcVwLosEEDYjPyfWnTEhOrUfdv+3Bx+NuAb+5NhDmXzg5fHWmdCh1mP5p7JAZfFr3IMQfcntNAdA==}
+    dev: false
+
   /parent-module@1.0.1:
     resolution: {integrity: sha512-GQ2EWRpQV8/o+Aw8YqtfZZPfNRWZYkbidE9k5rpl/hC3vtHHBfGm2Ifi6qWV+coDGkrUKZAxE3Lot5kcsRlh+g==}
     engines: {node: '>=6'}

src/pages/import-splitwise.tsx

@@ -15,6 +15,7 @@ import { DownloadCloud } from 'lucide-react';
 import { LoadingSpinner } from '~/components/ui/spinner';
 import { useRouter } from 'next/router';
 import { PaperClipIcon } from '@heroicons/react/24/solid';
+import Papa from 'papaparse';
 
 const ImportSpliwisePage: NextPageWithUser = () => {
   const [usersWithBalance, setUsersWithBalance] = useState<Array<SplitwiseUser>>([]);
@@ -35,8 +36,12 @@ const ImportSpliwisePage: NextPageWithUser = () => {
     setUploadedFile(file);
 
     try {
-      const json = JSON.parse(await file.text()) as Record<string, unknown>;
+      const text = await file.text();
+
+      if (file.name.endsWith('.json')) {
+        const json = JSON.parse(text) as Record<string, unknown>;
         const friendsWithOutStandingBalance: Array<SplitwiseUser> = [];
+
         for (const friend of json.friends as Array<Record<string, unknown>>) {
           const balance = friend.balance as Array<{ currency_code: string; amount: string }>;
           if (balance.length && friend.registration_status === 'confirmed') {
@@ -46,31 +51,46 @@ const ImportSpliwisePage: NextPageWithUser = () => {
 
         setUsersWithBalance(friendsWithOutStandingBalance);
         setSelectedUsers(
-        friendsWithOutStandingBalance.reduce(
+          friendsWithOutStandingBalance.reduce((acc, user) => {
-          (acc, user) => {
             acc[user.id] = true;
             return acc;
-          },
+          }, {} as Record<string, boolean>)
-          {} as Record<string, boolean>,
-        ),
         );
 
         const _groups = (json.groups as Array<SplitwiseGroup>).filter(
-        (g) => g.members.length > 0 && g.id !== 0,
+          (g) => g.members.length > 0 && g.id !== 0
         );
 
         setGroups(_groups);
         setSelectedGroups(
-        _groups.reduce(
+          _groups.reduce((acc, group) => {
-          (acc, group) => {
             acc[group.id] = true;
             return acc;
-          },
+          }, {} as Record<string, boolean>)
-          {} as Record<string, boolean>,
-        ),
         );
 
-      console.log('Friends with outstanding balance', friendsWithOutStandingBalance);
+        console.log('Parsed JSON: Friends and groups imported');
+      } else if (file.name.endsWith('.csv')) {
+        const result = Papa.parse(text, {
+          header: true,
+          skipEmptyLines: true,
+        });
+
+        if (result.errors.length > 0) {
+          console.error(result.errors);
+          toast.error('Error parsing CSV file');
+          return;
+        }
+
+        const parsed = result.data as Array<Record<string, string>>;
+
+        console.log('Parsed CSV data:', parsed.slice(0, 5)); // 預覽前 5 筆
+
+        // ⚠️ TODO：你可以根據 parsed 建立對應的 users / groups 結構
+        toast.success('CSV loaded, please implement parsing logic.');
+      } else {
+        toast.error('Unsupported file format. Please upload .json or .csv');
+      }
     } catch (e) {
       console.error(e);
       toast.error('Error importing file');
@@ -124,7 +144,7 @@ const ImportSpliwisePage: NextPageWithUser = () => {
             </div>
           </div>
           <div className="mt-4 flex items-center gap-4">
-            <label htmlFor="splitwise-json" className="w-full cursor-pointer rounded border">
+            <label htmlFor="splitwise-data" className="w-full cursor-pointer rounded border">
               <div className="flex cursor-pointer px-3 py-[6px] ">
                 <div className="flex items-center border-r pr-4 ">
                   <PaperClipIcon className="mr-2 h-4 w-4" />{' '}
@@ -136,9 +156,9 @@ const ImportSpliwisePage: NextPageWithUser = () => {
               </div>
               <Input
                 onChange={handleFileChange}
-                id="splitwise-json"
+                id="splitwise-data"
                 type="file"
-                accept=".json"
+                accept=".json,.csv,text/csv"
                 className="hidden"
               />
             </label>