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🎉 Thanks for Your Contribution to CanonForces!
|
WalkthroughAdds Firebase hosting and Firestore configuration (rules and indexes), a demo video page, navigation and auth flow updates, username update UI that validates via Codeforces API and writes to Firestore, TypeScript JSX runtime change, and small public asset and type updates. Changes
Sequence Diagram(s)sequenceDiagram
participant User as Client (browser)
participant Nav as NavigationMenu UI
participant CF as Codeforces API
participant FS as Firestore (users/{uid})
User->>Nav: Enter new username + submit
Nav->>Nav: validate non-empty
Nav->>CF: GET validate username
CF-->>Nav: 200 OK / 404
alt Valid username
Nav->>FS: updateDoc(users/{uid}, { username: newUsername })
FS-->>Nav: update success
Nav-->>User: show success message, update local UI
else Invalid username or CF error
Nav-->>User: show error message
end
Estimated code review effort🎯 4 (Complex) | ⏱️ ~45 minutes Possibly related PRs
Suggested reviewers
Poem
🚥 Pre-merge checks | ❌ 3❌ Failed checks (2 warnings, 1 inconclusive)
✏️ Tip: You can configure your own custom pre-merge checks in the settings. ✨ Finishing touches
🧪 Generate unit tests (beta)
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Actionable comments posted: 9
Caution
Some comments are outside the diff and can’t be posted inline due to platform limitations.
⚠️ Outside diff range comments (1)
src/pages/login.tsx (1)
52-74: Early return leavesloadingstate stuck; inconsistent indentation.Two issues in this block:
Line 54: The early
returnwhenuser.uidis falsy doesn't callsetLoading(false), leaving the UI in a perpetual loading state.Lines 60-69: The indentation is inconsistent with the surrounding try block (lines 47-73). While JavaScript/TypeScript will execute this correctly, it hurts readability and may cause maintenance issues.
Proposed fix
if (!user.uid) { setError("Google authentication failed. Please try again."); + setLoading(false); return; } // 🔍 check if Firestore has a user document const dbUserArray = await getUserByUserId(user.uid); - if (dbUserArray.length === 0) { - router.push(ROUTES.PROFILE_FILL); - } else { - const dbUser = dbUserArray[0]; - if (!dbUser.username || !dbUser.profileCompleted) { - router.push(ROUTES.PROFILE_FILL); + if (dbUserArray.length === 0) { + router.push(ROUTES.PROFILE_FILL); } else { - router.push(ROUTES.DASHBOARD); + const dbUser = dbUserArray[0]; + if (!dbUser.username || !dbUser.profileCompleted) { + router.push(ROUTES.PROFILE_FILL); + } else { + router.push(ROUTES.DASHBOARD); + } } - } } catch (err: any) {
🤖 Fix all issues with AI agents
In `@firebase.json`:
- Around line 8-19: The hosting rewrite in firebase.json currently routes all
requests to "/index.html" (the rewrites entry with "source": "**" and
"destination": "/index.html"), which is incompatible with this project because
it is a full Next.js server app (uses next start, Socket.io, Firebase Admin SDK,
Redis) rather than a static export; replace that static rewrite by either (A)
switching to Firebase App Hosting for Next.js or (B) rewriting to a Cloud
Function/Cloud Run service that starts the Next server instead of serving
index.html, or if you truly want a static export set next.config.js output:
"export", remove server dependencies (Socket.io, Firebase Admin SDK, Redis) and
add a next export build script—update firebase.json accordingly to remove the
"**" -> "/index.html" rewrite and point rewrites to the chosen runtime (App
Hosting or a function/service) or remove rewrites for a static export.
In `@firestore.indexes.json`:
- Around line 1-50: The file contains JavaScript-style comments which make
firestore.indexes.json invalid JSON; remove all comment lines (any // or /* */
blocks) and leave only the JSON object with the "indexes" and "fieldOverrides"
keys (e.g., { "indexes": [], "fieldOverrides": [] }); if you need to keep the
example content, move it into a README or separate .md file and validate the
updated firestore.indexes.json with a JSON parser/validator before committing.
In `@package.json`:
- Around line 29-31: The dependency entry "package.json": "2.0.1" is an
accidental/unused npm package and should be removed from the dependencies list;
remove the "package.json" : "2.0.1" line from package.json, update the trailing
commas as needed, then run your package manager (npm install or yarn install) to
update the lockfile (package-lock.json or yarn.lock) and verify no import
references to the identifier "package.json" remain.
In `@public/index.html`:
- Line 46: The external anchor element with href
"https://firebase.google.com/docs/hosting/" (the <a> tag whose text is "Open
Hosting Documentation") should include rel="noopener noreferrer" alongside
target="_blank" to prevent window.opener attacks; update that anchor to add the
rel attribute so the link opens in a new tab safely.
- Around line 20-24: The page currently includes the SDK init script with the
query param useEmulator=true (the <script> tag whose src is
"/__/firebase/init.js?useEmulator=true"), which will connect to local emulators
in production; remove the useEmulator query parameter (or set it to false) from
that script src so the Firebase Hosting production initializer is used instead
and the app does not attempt to connect to localhost emulators.
In `@src/constants/routes.tsx`:
- Line 14: The ROUTE constant PROFILE_FILL currently lacks the leading slash
causing inconsistent routing; update the PROFILE_FILL constant (export const
PROFILE_FILL) to include the leading "/" (i.e. "/profile-fill") so it matches
the other route constants and works with router.push(ROUTES.PROFILE_FILL).
In `@src/pages/_app.tsx`:
- Around line 29-32: Remove the legacy '/CompleteProfile' entry from the
noLayoutRoutes array: update the noLayoutRoutes constant (where it's defined) to
only include ['/', '/login', '/signup', '/questions/[id]', '/demo',
'/profile-fill'] so the obsolete route is no longer listed while keeping
'/profile-fill' for the new profile completion flow.
In `@src/pages/profile-fill.tsx`:
- Around line 32-41: The current Promise.race uses updateDoc(doc(db, "users",
user.uid), ...) which fails for new users because the document may not exist;
replace updateDoc with setDoc and pass { merge: true } so the user document is
created or updated atomically (i.e., setDoc(doc(db, "users", user.uid), {
username: username.trim(), profileCompleted: true }, { merge: true })) while
keeping the existing Promise.race timeout logic and error handling.
In `@src/pages/signup/index.tsx`:
- Around line 319-323: The Back to Home button uses absolute positioning (the
element with className containing "absolute top-6 left-6" and icon BsArrowLeft)
but its parent container (the div rendered with className "container") lacks
positioning, so the button will be positioned relative to an unexpected
ancestor; fix by adding position: relative (e.g., include "relative" in the
parent container's className on the div with className "container") so the
absolute button anchors to that card container.
🧹 Nitpick comments (5)
src/pages/demo.tsx (1)
10-17: Consider adding accessibility features and error handling for the video.The video element lacks:
- A
<track>element for captions/subtitles (accessibility requirement)- Fallback content if the video fails to load
- An
aria-labelfor screen readers♻️ Suggested improvement
<video className="max-h-full max-w-full object-contain rounded-lg shadow-lg" - src="/images/demovideo.mp4" // Replace with your video path + src="/images/demovideo.mp4" + aria-label="Platform demo video" controls autoPlay muted loop - /> + > + Your browser does not support the video tag. + </video>src/pages/index.tsx (1)
26-32: Use route constants instead of hardcoded paths.The navigation paths are hardcoded when route constants already exist (e.g.,
ROUTES.LOGIN). This reduces maintainability and consistency.Also, the indentation appears inconsistent with the surrounding code.
♻️ Suggested improvement
export default function Home() { - const router = useRouter(); - const goToLogin = () => { - router.push("/login"); - }; - const goToDemo = () => { - router.push("/demo"); - }; + const router = useRouter(); + const goToLogin = () => { + router.push(ROUTES.LOGIN); + }; + const goToDemo = () => { + router.push("/demo"); // Consider adding DEMO constant to routes.tsx + };Note: You'll need to import
ROUTESif not already imported:import * as ROUTES from "../constants/routes";src/pages/login.tsx (1)
173-177: Remove informal comment and verify absolute positioning context.The comment "Added Button From Back to HomePage BY KJK" is informal for production code. Consider removing or replacing with a brief descriptive comment.
Also, the button uses
absolutepositioning withtop-6 left-6. Ensure the intended positioning parent (likely the outermost.logincontainer) hasposition: relativeset in the CSS module; otherwise this button will position relative to the viewport or an unexpected ancestor.Suggested cleanup
- {/* Added Button From Back to HomePage BY KJK */} - <button onClick={() => router.push("/")} className="absolute top-6 left-6 flex items-center gap-2 text-sm text-gray-600 hover:text-gray-900 transition"> + <button + onClick={() => router.push("/")} + className="absolute top-6 left-6 flex items-center gap-2 text-sm text-gray-600 hover:text-gray-900 transition" + aria-label="Back to home page" + > <BsArrowLeft /> Back to HomePage </button>src/pages/profile-fill.tsx (2)
10-10: Avoid usinganytype for user state.Using
anyloses type safety. Import and use Firebase'sUsertype for better type checking and IDE support.Proposed fix
+import { User } from "firebase/auth";- const [user, setUser] = useState<any>(null); + const [user, setUser] = useState<User | null>(null);
70-77: Add accessibility attributes to the input.The input lacks an associated
<label>andid/nameattributes, which impacts accessibility for screen readers and form autofill.Proposed fix
+ <label htmlFor="username" className="sr-only">Username</label> <input type="text" + id="username" + name="username" placeholder="Enter username" value={username} onChange={(e) => setUsername(e.target.value)} disabled={loading} className="mb-6 w-full max-w-sm px-4 py-2 rounded border border-gray-300 focus:outline-none focus:ring-2 focus:ring-yellow-400" />
| "hosting": { | ||
| "public": "public", | ||
| "ignore": [ | ||
| "firebase.json", | ||
| "**/.*", | ||
| "**/node_modules/**" | ||
| ], | ||
| "rewrites": [ | ||
| { | ||
| "source": "**", | ||
| "destination": "/index.html" | ||
| } |
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Remove or reconfigure the hosting rewrites—this Next.js app requires a Node.js runtime.
The firebase.json rewrite to /index.html is incompatible with this deployment. The project is configured as a full Next.js server application (with next start, Socket.io, Firebase Admin SDK, and Redis), not a static export. The current configuration will break real-time features and API routes.
Deploy using one of these approaches instead:
- Firebase App Hosting (recommended): Supports Next.js natively with zero configuration.
- Cloud Functions: Rewrite to a function that runs the Next.js server instead of a static file.
- Cloud Run: Deploy the Next.js app as a containerized service.
If you intended a static export, configure output: "export" in next.config.js, remove Socket.io and backend dependencies, and add a next export build script.
🤖 Prompt for AI Agents
In `@firebase.json` around lines 8 - 19, The hosting rewrite in firebase.json
currently routes all requests to "/index.html" (the rewrites entry with
"source": "**" and "destination": "/index.html"), which is incompatible with
this project because it is a full Next.js server app (uses next start,
Socket.io, Firebase Admin SDK, Redis) rather than a static export; replace that
static rewrite by either (A) switching to Firebase App Hosting for Next.js or
(B) rewriting to a Cloud Function/Cloud Run service that starts the Next server
instead of serving index.html, or if you truly want a static export set
next.config.js output: "export", remove server dependencies (Socket.io, Firebase
Admin SDK, Redis) and add a next export build script—update firebase.json
accordingly to remove the "**" -> "/index.html" rewrite and point rewrites to
the chosen runtime (App Hosting or a function/service) or remove rewrites for a
static export.
| { | ||
| // Example (Standard Edition): | ||
| // | ||
| // "indexes": [ | ||
| // { | ||
| // "collectionGroup": "widgets", | ||
| // "queryScope": "COLLECTION", | ||
| // "fields": [ | ||
| // { "fieldPath": "foo", "arrayConfig": "CONTAINS" }, | ||
| // { "fieldPath": "bar", "mode": "DESCENDING" } | ||
| // ] | ||
| // }, | ||
| // | ||
| // "fieldOverrides": [ | ||
| // { | ||
| // "collectionGroup": "widgets", | ||
| // "fieldPath": "baz", | ||
| // "indexes": [ | ||
| // { "order": "ASCENDING", "queryScope": "COLLECTION" } | ||
| // ] | ||
| // }, | ||
| // ] | ||
| // ] | ||
| // | ||
| // Example (Enterprise Edition): | ||
| // | ||
| // "indexes": [ | ||
| // { | ||
| // "collectionGroup": "reviews", | ||
| // "queryScope": "COLLECTION_GROUP", | ||
| // "apiScope": "MONGODB_COMPATIBLE_API", | ||
| // "density": "DENSE", | ||
| // "multikey": false, | ||
| // "fields": [ | ||
| // { "fieldPath": "baz", "mode": "ASCENDING" } | ||
| // ] | ||
| // }, | ||
| // { | ||
| // "collectionGroup": "items", | ||
| // "queryScope": "COLLECTION_GROUP", | ||
| // "apiScope": "MONGODB_COMPATIBLE_API", | ||
| // "density": "SPARSE_ANY", | ||
| // "multikey": true, | ||
| // "fields": [ | ||
| // { "fieldPath": "baz", "mode": "ASCENDING" } | ||
| // ] | ||
| // }, | ||
| // ] | ||
| "indexes": [], | ||
| "fieldOverrides": [] |
There was a problem hiding this comment.
firestore.indexes.json isn’t valid JSON; comments break parsers/CI.
JSON doesn’t support // comments, and the file already triggers parse errors in static analysis. Please remove the comments or move examples to a README to keep this file valid JSON.
✅ Minimal valid JSON
-{
- // Example (Standard Edition):
- //
- // "indexes": [
- // {
- // "collectionGroup": "widgets",
- // "queryScope": "COLLECTION",
- // "fields": [
- // { "fieldPath": "foo", "arrayConfig": "CONTAINS" },
- // { "fieldPath": "bar", "mode": "DESCENDING" }
- // ]
- // },
- //
- // "fieldOverrides": [
- // {
- // "collectionGroup": "widgets",
- // "fieldPath": "baz",
- // "indexes": [
- // { "order": "ASCENDING", "queryScope": "COLLECTION" }
- // ]
- // },
- // ]
- // ]
- //
- // Example (Enterprise Edition):
- //
- // "indexes": [
- // {
- // "collectionGroup": "reviews",
- // "queryScope": "COLLECTION_GROUP",
- // "apiScope": "MONGODB_COMPATIBLE_API",
- // "density": "DENSE",
- // "multikey": false,
- // "fields": [
- // { "fieldPath": "baz", "mode": "ASCENDING" }
- // ]
- // },
- // {
- // "collectionGroup": "items",
- // "queryScope": "COLLECTION_GROUP",
- // "apiScope": "MONGODB_COMPATIBLE_API",
- // "density": "SPARSE_ANY",
- // "multikey": true,
- // "fields": [
- // { "fieldPath": "baz", "mode": "ASCENDING" }
- // ]
- // },
- // ]
- "indexes": [],
- "fieldOverrides": []
-}
+{
+ "indexes": [],
+ "fieldOverrides": []
+}🧰 Tools
🪛 Biome (2.1.2)
[error] 2-2: Expected a property but instead found '// Example (Standard Edition):'.
Expected a property here.
(parse)
[error] 49-49: End of file expected
Use an array for a sequence of values: [1, 2]
(parse)
[error] 49-49: End of file expected
Use an array for a sequence of values: [1, 2]
(parse)
[error] 49-49: End of file expected
Use an array for a sequence of values: [1, 2]
(parse)
[error] 49-49: End of file expected
Use an array for a sequence of values: [1, 2]
(parse)
[error] 50-50: End of file expected
Use an array for a sequence of values: [1, 2]
(parse)
[error] 50-50: End of file expected
Use an array for a sequence of values: [1, 2]
(parse)
[error] 50-50: End of file expected
Use an array for a sequence of values: [1, 2]
(parse)
🤖 Prompt for AI Agents
In `@firestore.indexes.json` around lines 1 - 50, The file contains
JavaScript-style comments which make firestore.indexes.json invalid JSON; remove
all comment lines (any // or /* */ blocks) and leave only the JSON object with
the "indexes" and "fieldOverrides" keys (e.g., { "indexes": [],
"fieldOverrides": [] }); if you need to keep the example content, move it into a
README or separate .md file and validate the updated firestore.indexes.json with
a JSON parser/validator before committing.
| "next": "^16.0.10", | ||
| "package.json": "^2.0.1", | ||
| "react": "^19.2.0", |
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Remove the unused package.json npm package dependency.
The npm package package.json (v2.0.1) declared at line 30 is not imported anywhere in the codebase. This appears to be an accidental dependency that should be removed to reduce supply-chain surface area.
🧹 Proposed fix
- "package.json": "^2.0.1",📝 Committable suggestion
‼️ IMPORTANT
Carefully review the code before committing. Ensure that it accurately replaces the highlighted code, contains no missing lines, and has no issues with indentation. Thoroughly test & benchmark the code to ensure it meets the requirements.
| "next": "^16.0.10", | |
| "package.json": "^2.0.1", | |
| "react": "^19.2.0", | |
| "next": "^16.0.10", | |
| "react": "^19.2.0", |
🤖 Prompt for AI Agents
In `@package.json` around lines 29 - 31, The dependency entry "package.json":
"2.0.1" is an accidental/unused npm package and should be removed from the
dependencies list; remove the "package.json" : "2.0.1" line from package.json,
update the trailing commas as needed, then run your package manager (npm install
or yarn install) to update the lockfile (package-lock.json or yarn.lock) and
verify no import references to the identifier "package.json" remain.
| <!-- | ||
| initialize the SDK after all desired features are loaded, set useEmulator to false | ||
| to avoid connecting the SDK to running emulators. | ||
| --> | ||
| <script defer src="/__/firebase/init.js?useEmulator=true"></script> |
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# Verify the actual Firebase initialization in the app doesn't use emulators
rg "emulator" -i src/ 2>/dev/null || echo "No emulator references found in src/"Repository: OpenLake/canonforces
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Remove useEmulator=true before deploying to production.
Line 24 has useEmulator=true which contradicts the comment on lines 21-22 that explicitly says to set it to false to avoid connecting to local emulators. This will be deployed to production via Firebase Hosting and will attempt to connect to localhost emulators, causing failures for real users. Remove the parameter entirely to use the default production initialization.
Proposed change
- <script defer src="/__/firebase/init.js?useEmulator=true"></script>
+ <script defer src="/__/firebase/init.js"></script>📝 Committable suggestion
‼️ IMPORTANT
Carefully review the code before committing. Ensure that it accurately replaces the highlighted code, contains no missing lines, and has no issues with indentation. Thoroughly test & benchmark the code to ensure it meets the requirements.
| <!-- | |
| initialize the SDK after all desired features are loaded, set useEmulator to false | |
| to avoid connecting the SDK to running emulators. | |
| --> | |
| <script defer src="/__/firebase/init.js?useEmulator=true"></script> | |
| <!-- | |
| initialize the SDK after all desired features are loaded, set useEmulator to false | |
| to avoid connecting the SDK to running emulators. | |
| --> | |
| <script defer src="/__/firebase/init.js"></script> |
🤖 Prompt for AI Agents
In `@public/index.html` around lines 20 - 24, The page currently includes the SDK
init script with the query param useEmulator=true (the <script> tag whose src is
"/__/firebase/init.js?useEmulator=true"), which will connect to local emulators
in production; remove the useEmulator query parameter (or set it to false) from
that script src so the Firebase Hosting production initializer is used instead
and the app does not attempt to connect to localhost emulators.
| <h2>Welcome</h2> | ||
| <h1>Firebase Hosting Setup Complete</h1> | ||
| <p>You're seeing this because you've successfully setup Firebase Hosting. Now it's time to go build something extraordinary!</p> | ||
| <a target="_blank" href="https://firebase.google.com/docs/hosting/">Open Hosting Documentation</a> |
There was a problem hiding this comment.
Add rel="noopener noreferrer" on the external link.
This prevents window.opener attacks when using target="_blank".
🔒 Proposed fix
- <a target="_blank" href="https://firebase.google.com/docs/hosting/">Open Hosting Documentation</a>
+ <a target="_blank" rel="noopener noreferrer" href="https://firebase.google.com/docs/hosting/">Open Hosting Documentation</a>📝 Committable suggestion
‼️ IMPORTANT
Carefully review the code before committing. Ensure that it accurately replaces the highlighted code, contains no missing lines, and has no issues with indentation. Thoroughly test & benchmark the code to ensure it meets the requirements.
| <a target="_blank" href="https://firebase.google.com/docs/hosting/">Open Hosting Documentation</a> | |
| <a target="_blank" rel="noopener noreferrer" href="https://firebase.google.com/docs/hosting/">Open Hosting Documentation</a> |
🤖 Prompt for AI Agents
In `@public/index.html` at line 46, The external anchor element with href
"https://firebase.google.com/docs/hosting/" (the <a> tag whose text is "Open
Hosting Documentation") should include rel="noopener noreferrer" alongside
target="_blank" to prevent window.opener attacks; update that anchor to add the
rel attribute so the link opens in a new tab safely.
src/constants/routes.tsx
Outdated
| export const QUIZ = "/quiz"; | ||
| export const NOTIFICATIONS = "/notifications"; No newline at end of file | ||
| export const NOTIFICATIONS = "/notifications"; | ||
| export const PROFILE_FILL = "profile-fill"; |
There was a problem hiding this comment.
Missing leading slash in route constant.
PROFILE_FILL is missing the leading / that all other route constants have. This inconsistency will cause navigation issues when used with router.push(ROUTES.PROFILE_FILL).
🐛 Proposed fix
-export const PROFILE_FILL = "profile-fill";
+export const PROFILE_FILL = "/profile-fill";📝 Committable suggestion
‼️ IMPORTANT
Carefully review the code before committing. Ensure that it accurately replaces the highlighted code, contains no missing lines, and has no issues with indentation. Thoroughly test & benchmark the code to ensure it meets the requirements.
| export const PROFILE_FILL = "profile-fill"; | |
| export const PROFILE_FILL = "/profile-fill"; |
🤖 Prompt for AI Agents
In `@src/constants/routes.tsx` at line 14, The ROUTE constant PROFILE_FILL
currently lacks the leading slash causing inconsistent routing; update the
PROFILE_FILL constant (export const PROFILE_FILL) to include the leading "/"
(i.e. "/profile-fill") so it matches the other route constants and works with
router.push(ROUTES.PROFILE_FILL).
src/pages/_app.tsx
Outdated
| const noLayoutRoutes = ['/', '/login', '/signup','/questions/[id]','/CompleteProfile','/demo','/profile-fill']; | ||
|
|
||
| // Define routes that are PUBLIC and don't require a user to be logged in. | ||
| const publicRoutes = ['/', '/login', '/signup', '/questions/[id]']; | ||
| const publicRoutes = ['/', '/login', '/signup', '/questions/[id]','/demo']; |
There was a problem hiding this comment.
🧩 Analysis chain
🏁 Script executed:
#!/bin/bash
# Check if /CompleteProfile route is used anywhere in the codebase
echo "=== Searching for CompleteProfile references ==="
rg -n "CompleteProfile" --type ts --type tsx
echo ""
echo "=== Searching for profile-fill page implementation ==="
fd -t f "profile-fill" --extension tsx --extension ts
echo ""
echo "=== Checking for references to profile-fill in the codebase ==="
rg -n "profile-fill" --type ts --type tsxRepository: OpenLake/canonforces
Length of output: 333
Remove the unused /CompleteProfile route from noLayoutRoutes.
The route /CompleteProfile does not appear anywhere in the codebase and is a legacy artifact. Remove it from the noLayoutRoutes array (line 29) to avoid confusion, keeping only the actively used routes:
/(home/landing)/login/signup/questions/[id]/demo/profile-fill(new profile completion flow)
The current configuration correctly excludes /profile-fill from publicRoutes, ensuring it requires authentication—appropriate for the post-Google-sign-in profile completion flow.
🤖 Prompt for AI Agents
In `@src/pages/_app.tsx` around lines 29 - 32, Remove the legacy
'/CompleteProfile' entry from the noLayoutRoutes array: update the
noLayoutRoutes constant (where it's defined) to only include ['/', '/login',
'/signup', '/questions/[id]', '/demo', '/profile-fill'] so the obsolete route is
no longer listed while keeping '/profile-fill' for the new profile completion
flow.
src/pages/profile-fill.tsx
Outdated
| try { | ||
| await Promise.race([ | ||
| updateDoc(doc(db, "users", user.uid), { | ||
| username: username.trim(), | ||
| profileCompleted: true, | ||
| }), | ||
| new Promise((_, reject) => | ||
| setTimeout(() => reject(new Error("Firestore timeout")), 10000) | ||
| ), | ||
| ]); |
There was a problem hiding this comment.
updateDoc will fail for new users—document doesn't exist yet.
When a new user signs in via Google and no Firestore document exists (i.e., dbUserArray.length === 0 in login.tsx), they're redirected here. However, updateDoc throws an error if the document doesn't exist. Use setDoc with the merge option instead to create or update the document.
Proposed fix
-import { doc, updateDoc } from "firebase/firestore";
+import { doc, setDoc } from "firebase/firestore"; await Promise.race([
- updateDoc(doc(db, "users", user.uid), {
+ setDoc(doc(db, "users", user.uid), {
username: username.trim(),
profileCompleted: true,
- }),
+ }, { merge: true }),
new Promise((_, reject) =>
setTimeout(() => reject(new Error("Firestore timeout")), 10000)
),
]);🤖 Prompt for AI Agents
In `@src/pages/profile-fill.tsx` around lines 32 - 41, The current Promise.race
uses updateDoc(doc(db, "users", user.uid), ...) which fails for new users
because the document may not exist; replace updateDoc with setDoc and pass {
merge: true } so the user document is created or updated atomically (i.e.,
setDoc(doc(db, "users", user.uid), { username: username.trim(),
profileCompleted: true }, { merge: true })) while keeping the existing
Promise.race timeout logic and error handling.
| {/* Added Button From Back to HomePage BY KJK */} | ||
| <button onClick={() => router.push("/")} className="absolute top-6 left-6 flex items-center gap-2 text-sm text-gray-600 hover:text-gray-900 transition"> | ||
| <BsArrowLeft /> | ||
| Back to Home | ||
| </button> |
There was a problem hiding this comment.
Absolute positioning may not work as intended.
The button uses absolute top-6 left-6 positioning, but the immediate parent container (.container div on line 209) doesn't have position: relative. This could cause the button to position relative to the viewport or an unexpected ancestor rather than the card container.
💡 Suggested fix - add `relative` to parent
- <div className={`${styles.container} flex flex-col md:flex-row w-11/12 md:w-9/12 shadow-xl rounded-2xl bg-white overflow-hidden`}>
+ <div className={`${styles.container} relative flex flex-col md:flex-row w-11/12 md:w-9/12 shadow-xl rounded-2xl bg-white overflow-hidden`}>🤖 Prompt for AI Agents
In `@src/pages/signup/index.tsx` around lines 319 - 323, The Back to Home button
uses absolute positioning (the element with className containing "absolute top-6
left-6" and icon BsArrowLeft) but its parent container (the div rendered with
className "container") lacks positioning, so the button will be positioned
relative to an unexpected ancestor; fix by adding position: relative (e.g.,
include "relative" in the parent container's className on the div with className
"container") so the absolute button anchors to that card container.
There was a problem hiding this comment.
Actionable comments posted: 1
🤖 Fix all issues with AI agents
In `@src/pages/login.tsx`:
- Around line 58-66: The check for an existing user is wrong because
getUserByUserId returns a UserProfile[]; change the condition that currently
tests userDoc !== null to check the array length (e.g., if
(Array.isArray(userDoc) && userDoc.length > 0) ) so only non-empty results route
to ROUTES.DASHBOARD and empty arrays route to ROUTES.SIGNUP; update the block
around userDoc, getUserByUserId, router.push(ROUTES.DASHBOARD) and
router.push(ROUTES.SIGNUP) accordingly.
🧹 Nitpick comments (3)
src/pages/index.tsx (2)
26-32: Inconsistent indentation and hardcoded routes.
- The indentation inside
Home()uses 6 spaces instead of the standard 2 spaces used elsewhere in the file.- Routes are hardcoded (
"/login","/demo") instead of using theROUTESconstants imported at line 6 (if available). Consider usingROUTES.LOGINfor consistency.♻️ Suggested improvement
export default function Home() { - const router = useRouter(); - const goToLogin = () => { - router.push("/login"); - }; - const goToDemo = () => { - router.push("/demo"); - }; + const router = useRouter(); + const goToLogin = () => { + router.push(ROUTES.LOGIN); + }; + const goToDemo = () => { + router.push("/demo"); // Add ROUTES.DEMO if defined + };
1-4: Unused static imports.
HeaderandFooterare imported statically but never used—onlyDynamicHeaderandDynamicFooter(created vianext/dynamic) are rendered. Remove the unused imports to reduce bundle size.♻️ Suggested fix
-import Header from "../common/components/Header/Header"; import Image from "next/image"; import styles from "../styles/Home.module.css"; -import Footer from "../common/components/Footer/Footer"; import { useRouter } from "next/router";src/pages/login.tsx (1)
172-176: Minor: Hardcoded route and author comment.
- Use
ROUTES.HOMEinstead of hardcoded"/"for consistency.- Remove the author attribution comment—git history tracks contributions.
♻️ Suggested improvement
- {/* Added Button From Back to HomePage BY KJK */} - <button onClick={() => router.push("/")} className="absolute top-6 left-6 flex items-center gap-2 text-sm text-gray-600 hover:text-gray-900 transition"> + <button onClick={() => router.push(ROUTES.HOME)} className="absolute top-6 left-6 flex items-center gap-2 text-sm text-gray-600 hover:text-gray-900 transition">
| // 🔑 CHECK IF USER PROFILE EXISTS IN DB | ||
| const userDoc = await getUserByUserId(user.uid); | ||
|
|
||
| if (userDoc !== null) { | ||
| router.push(ROUTES.DASHBOARD); | ||
| } else { | ||
| // New Google user trying to login | ||
| router.push(ROUTES.SIGNUP); | ||
| } |
There was a problem hiding this comment.
Critical bug: incorrect check for existing user.
getUserByUserId returns UserProfile[] (an array), not null. An empty array [] is truthy and passes !== null, so this condition will always evaluate to true—new Google users will be incorrectly routed to the dashboard instead of signup.
🐛 Proposed fix
// 🔑 CHECK IF USER PROFILE EXISTS IN DB
const userDoc = await getUserByUserId(user.uid);
- if (userDoc !== null) {
+ if (userDoc && userDoc.length > 0) {
router.push(ROUTES.DASHBOARD);
} else {
// New Google user trying to login
router.push(ROUTES.SIGNUP);
}📝 Committable suggestion
‼️ IMPORTANT
Carefully review the code before committing. Ensure that it accurately replaces the highlighted code, contains no missing lines, and has no issues with indentation. Thoroughly test & benchmark the code to ensure it meets the requirements.
| // 🔑 CHECK IF USER PROFILE EXISTS IN DB | |
| const userDoc = await getUserByUserId(user.uid); | |
| if (userDoc !== null) { | |
| router.push(ROUTES.DASHBOARD); | |
| } else { | |
| // New Google user trying to login | |
| router.push(ROUTES.SIGNUP); | |
| } | |
| // 🔑 CHECK IF USER PROFILE EXISTS IN DB | |
| const userDoc = await getUserByUserId(user.uid); | |
| if (userDoc && userDoc.length > 0) { | |
| router.push(ROUTES.DASHBOARD); | |
| } else { | |
| // New Google user trying to login | |
| router.push(ROUTES.SIGNUP); | |
| } |
🤖 Prompt for AI Agents
In `@src/pages/login.tsx` around lines 58 - 66, The check for an existing user is
wrong because getUserByUserId returns a UserProfile[]; change the condition that
currently tests userDoc !== null to check the array length (e.g., if
(Array.isArray(userDoc) && userDoc.length > 0) ) so only non-empty results route
to ROUTES.DASHBOARD and empty arrays route to ROUTES.SIGNUP; update the block
around userDoc, getUserByUserId, router.push(ROUTES.DASHBOARD) and
router.push(ROUTES.SIGNUP) accordingly.
There was a problem hiding this comment.
Actionable comments posted: 3
🤖 Fix all issues with AI agents
In `@src/common/components/NavigationMenu/NavigationMenu.tsx`:
- Around line 74-88: The API call in NavigationMenu.tsx builds the Codeforces
URL using trimmedUsername directly, which can break for special characters;
update the fetch call to use an encoded username by applying
encodeURIComponent(trimmedUsername) (e.g., build an encodedUsername variable and
use it in the template URL passed to fetch) so the request is safe; keep the
existing error handling with setUpdateStatus and setLoading unchanged.
- Around line 29-42: The current useEffect in NavigationMenu calls fetchUser
once and reads auth.currentUser directly, so dbUser won't update on auth
changes; replace this with an onAuthStateChanged listener inside useEffect (and
clean it up on unmount) to call the existing fetchUser logic (or inline
equivalent) whenever the auth state changes, referencing the NavigationMenu
component, its fetchUser logic (or setDbUser update), and the
auth/onAuthStateChanged APIs so dbUser stays in sync with auth changes.
In `@src/pages/dashboard.tsx`:
- Around line 8-17: The early return that renders MainMenu with an empty
username omits the surrounding layout div, causing inconsistent layout; update
the conditional branch so both the missing/loading state and the authenticated
state render inside the same wrapper (use styles.dashboard) and keep the same
component reference (MainMenu) — e.g., return the <div
className={styles.dashboard}> wrapper containing <MainMenu
username={user?.user?.username ?? ""} /> for both cases or render a loader
inside that wrapper when username is missing.
🧹 Nitpick comments (4)
src/common/components/MainMenu/MainMenu.tsx (1)
45-62: Consider adding cleanup for async effect.If
usernameordocIdchanges rapidly, multiple concurrentfetchStatscalls could resolve out of order, potentially setting stale data. Consider using an abort flag orAbortControllerto cancel stale requests.♻️ Suggested improvement with abort flag
useEffect(() => { + let cancelled = false; const fetchStats = async () => { if (typeof username === "string" && username.trim() !== "") { const docId = user.user?.docId; if (typeof docId === "string") { const stats = await getOrUpdateUserStats(username, docId); - if (stats) { + if (stats && !cancelled) { setUserData(stats); localStorage.setItem(CACHE_KEY, JSON.stringify(stats)); } - } else { + } else if (!cancelled) { // Optionally clear user data if docId missing setUserData(null); } } }; fetchStats(); + return () => { cancelled = true; }; }, [username, user.user?.docId]);src/common/components/NavigationMenu/NavigationMenu.module.css (1)
120-139: Consider adding focus and hover states for accessibility.The input and button lack visible focus indicators, which impacts keyboard navigation accessibility.
♻️ Suggested accessibility improvements
.update_section input { padding: 6px 8px; font-size: 14px; + border: 1px solid `#e2e8f0`; + border-radius: 4px; +} + +.update_section input:focus { + outline: 2px solid `#3b82f6`; + outline-offset: 1px; } .update_section button { padding: 6px; font-size: 14px; cursor: pointer; + background: `#f1f5f9`; + border: 1px solid `#e2e8f0`; + border-radius: 4px; +} + +.update_section button:hover:not(:disabled) { + background: `#e2e8f0`; +} + +.update_section button:focus { + outline: 2px solid `#3b82f6`; + outline-offset: 1px; +} + +.update_section button:disabled { + opacity: 0.6; + cursor: not-allowed; }src/common/components/NavigationMenu/NavigationMenu.tsx (2)
169-176: Add accessibility attributes to status messages.Screen readers won't announce dynamic status changes. Adding
aria-livehelps users with assistive technology.♻️ Suggested improvement
- {updateStatus.error && ( - <p style={{ color: "red" }}>{updateStatus.error}</p> - )} - {updateStatus.success && ( - <p style={{ color: "green" }}>{updateStatus.success}</p> - )} + {updateStatus.error && ( + <p style={{ color: "red" }} role="alert" aria-live="assertive"> + {updateStatus.error} + </p> + )} + {updateStatus.success && ( + <p style={{ color: "green" }} role="status" aria-live="polite"> + {updateStatus.success} + </p> + )}
49-53: Add error handling for sign-out.If
signOut(auth)fails, the user receives no feedback and isn't redirected. Consider wrapping in try-catch.♻️ Proposed improvement
const handleLogout = async () => { if (!window.confirm("Are you sure you want to logout?")) return; - await signOut(auth); - router.push(ROUTES.LOGIN || "/login"); + try { + await signOut(auth); + router.push(ROUTES.LOGIN || "/login"); + } catch (err) { + console.error("Logout failed:", err); + alert("Failed to logout. Please try again."); + } };
| // Fetch user from Firestore | ||
| useEffect(() => { | ||
| const fetchUser = async () => { | ||
| if (!auth.currentUser) return; | ||
| try { | ||
| const userRef = doc(db, "users", auth.currentUser.uid); | ||
| const snap = await getDoc(userRef); | ||
| if (snap.exists()) setDbUser(snap.data()); | ||
| } catch (err) { | ||
| console.error("Failed to fetch user data:", err); | ||
| } | ||
| }; | ||
| fetchUser(); | ||
| }, []); |
There was a problem hiding this comment.
Auth state changes won't trigger re-fetch.
The useEffect has an empty dependency array and accesses auth.currentUser directly. If the user's auth state changes (e.g., token refresh or re-login), dbUser won't update. Consider using onAuthStateChanged for reactive auth handling.
🐛 Proposed fix using auth state listener
+import { onAuthStateChanged } from "firebase/auth";
// Fetch user from Firestore
useEffect(() => {
- const fetchUser = async () => {
- if (!auth.currentUser) return;
- try {
- const userRef = doc(db, "users", auth.currentUser.uid);
- const snap = await getDoc(userRef);
- if (snap.exists()) setDbUser(snap.data());
- } catch (err) {
- console.error("Failed to fetch user data:", err);
- }
- };
- fetchUser();
+ const unsubscribe = onAuthStateChanged(auth, async (firebaseUser) => {
+ if (!firebaseUser) {
+ setDbUser(null);
+ return;
+ }
+ try {
+ const userRef = doc(db, "users", firebaseUser.uid);
+ const snap = await getDoc(userRef);
+ if (snap.exists()) setDbUser(snap.data());
+ } catch (err) {
+ console.error("Failed to fetch user data:", err);
+ }
+ });
+ return () => unsubscribe();
}, []);This pattern is also used in src/common/components/User/User.tsx (see relevant code snippets), so adopting it here would improve consistency.
📝 Committable suggestion
‼️ IMPORTANT
Carefully review the code before committing. Ensure that it accurately replaces the highlighted code, contains no missing lines, and has no issues with indentation. Thoroughly test & benchmark the code to ensure it meets the requirements.
| // Fetch user from Firestore | |
| useEffect(() => { | |
| const fetchUser = async () => { | |
| if (!auth.currentUser) return; | |
| try { | |
| const userRef = doc(db, "users", auth.currentUser.uid); | |
| const snap = await getDoc(userRef); | |
| if (snap.exists()) setDbUser(snap.data()); | |
| } catch (err) { | |
| console.error("Failed to fetch user data:", err); | |
| } | |
| }; | |
| fetchUser(); | |
| }, []); | |
| // Fetch user from Firestore | |
| useEffect(() => { | |
| const unsubscribe = onAuthStateChanged(auth, async (firebaseUser) => { | |
| if (!firebaseUser) { | |
| setDbUser(null); | |
| return; | |
| } | |
| try { | |
| const userRef = doc(db, "users", firebaseUser.uid); | |
| const snap = await getDoc(userRef); | |
| if (snap.exists()) setDbUser(snap.data()); | |
| } catch (err) { | |
| console.error("Failed to fetch user data:", err); | |
| } | |
| }); | |
| return () => unsubscribe(); | |
| }, []); |
🤖 Prompt for AI Agents
In `@src/common/components/NavigationMenu/NavigationMenu.tsx` around lines 29 -
42, The current useEffect in NavigationMenu calls fetchUser once and reads
auth.currentUser directly, so dbUser won't update on auth changes; replace this
with an onAuthStateChanged listener inside useEffect (and clean it up on
unmount) to call the existing fetchUser logic (or inline equivalent) whenever
the auth state changes, referencing the NavigationMenu component, its fetchUser
logic (or setDbUser update), and the auth/onAuthStateChanged APIs so dbUser
stays in sync with auth changes.
| try { | ||
| await signOut(auth); | ||
| router.push(ROUTES.LOGIN || "/login"); | ||
| } catch (error) { | ||
| alert("Logout failed. Try again."); | ||
| console.error(error); | ||
| const res = await fetch( | ||
| `https://codeforces.com/api/user.info?handles=${trimmedUsername}` | ||
| ); | ||
| const data = await res.json(); | ||
| if (data.status !== "OK") { | ||
| setUpdateStatus({ error: "Codeforces username not found." }); | ||
| setLoading(false); | ||
| return; | ||
| } | ||
| } catch { | ||
| setUpdateStatus({ error: "Failed to verify username." }); | ||
| setLoading(false); | ||
| return; | ||
| } |
There was a problem hiding this comment.
URL-encode the username for the API request.
Passing trimmedUsername directly into the URL could cause issues if the username contains special characters. Use encodeURIComponent for safety.
🐛 Proposed fix
try {
const res = await fetch(
- `https://codeforces.com/api/user.info?handles=${trimmedUsername}`
+ `https://codeforces.com/api/user.info?handles=${encodeURIComponent(trimmedUsername)}`
);📝 Committable suggestion
‼️ IMPORTANT
Carefully review the code before committing. Ensure that it accurately replaces the highlighted code, contains no missing lines, and has no issues with indentation. Thoroughly test & benchmark the code to ensure it meets the requirements.
| try { | |
| await signOut(auth); | |
| router.push(ROUTES.LOGIN || "/login"); | |
| } catch (error) { | |
| alert("Logout failed. Try again."); | |
| console.error(error); | |
| const res = await fetch( | |
| `https://codeforces.com/api/user.info?handles=${trimmedUsername}` | |
| ); | |
| const data = await res.json(); | |
| if (data.status !== "OK") { | |
| setUpdateStatus({ error: "Codeforces username not found." }); | |
| setLoading(false); | |
| return; | |
| } | |
| } catch { | |
| setUpdateStatus({ error: "Failed to verify username." }); | |
| setLoading(false); | |
| return; | |
| } | |
| try { | |
| const res = await fetch( | |
| `https://codeforces.com/api/user.info?handles=${encodeURIComponent(trimmedUsername)}` | |
| ); | |
| const data = await res.json(); | |
| if (data.status !== "OK") { | |
| setUpdateStatus({ error: "Codeforces username not found." }); | |
| setLoading(false); | |
| return; | |
| } | |
| } catch { | |
| setUpdateStatus({ error: "Failed to verify username." }); | |
| setLoading(false); | |
| return; | |
| } |
🤖 Prompt for AI Agents
In `@src/common/components/NavigationMenu/NavigationMenu.tsx` around lines 74 -
88, The API call in NavigationMenu.tsx builds the Codeforces URL using
trimmedUsername directly, which can break for special characters; update the
fetch call to use an encoded username by applying
encodeURIComponent(trimmedUsername) (e.g., build an encodedUsername variable and
use it in the template URL passed to fetch) so the request is safe; keep the
existing error handling with setUpdateStatus and setLoading unchanged.
| // Optional: handle loading or missing username | ||
| if (!user?.user?.username) { | ||
| return <MainMenu username="" />; | ||
| } | ||
|
|
||
| export default function dashboard() { | ||
| return ( | ||
| <div className={styles.dashboard}> | ||
|
|
||
| <MainMenu /> | ||
| <MainMenu username={user.user.username} /> | ||
| </div> | ||
| ) | ||
| } | ||
| ); |
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Inconsistent rendering between states.
When username is missing, the component returns <MainMenu username="" /> without the wrapper <div className={styles.dashboard}>. This creates layout inconsistency between the loading/missing-user state and the authenticated state.
🐛 Proposed fix for consistent layout
export default function Dashboard() {
const user = useUser();
- // Optional: handle loading or missing username
- if (!user?.user?.username) {
- return <MainMenu username="" />;
- }
+ const username = user?.user?.username ?? "";
return (
<div className={styles.dashboard}>
- <MainMenu username={user.user.username} />
+ <MainMenu username={username} />
</div>
);
}📝 Committable suggestion
‼️ IMPORTANT
Carefully review the code before committing. Ensure that it accurately replaces the highlighted code, contains no missing lines, and has no issues with indentation. Thoroughly test & benchmark the code to ensure it meets the requirements.
| // Optional: handle loading or missing username | |
| if (!user?.user?.username) { | |
| return <MainMenu username="" />; | |
| } | |
| export default function dashboard() { | |
| return ( | |
| <div className={styles.dashboard}> | |
| <MainMenu /> | |
| <MainMenu username={user.user.username} /> | |
| </div> | |
| ) | |
| } | |
| ); | |
| export default function Dashboard() { | |
| const user = useUser(); | |
| const username = user?.user?.username ?? ""; | |
| return ( | |
| <div className={styles.dashboard}> | |
| <MainMenu username={username} /> | |
| </div> | |
| ); | |
| } |
🤖 Prompt for AI Agents
In `@src/pages/dashboard.tsx` around lines 8 - 17, The early return that renders
MainMenu with an empty username omits the surrounding layout div, causing
inconsistent layout; update the conditional branch so both the missing/loading
state and the authenticated state render inside the same wrapper (use
styles.dashboard) and keep the same component reference (MainMenu) — e.g.,
return the <div className={styles.dashboard}> wrapper containing <MainMenu
username={user?.user?.username ?? ""} /> for both cases or render a loader
inside that wrapper when username is missing.
|
⭐ Finzalized Login Issue But I was Getting Issue with FireBase Server So I not Getting Tested Link To Test Remaining Changes - https://canonforces-trial.vercel.app/ 📃 I made Changes to the -
❌ Facing Issue in FireBase Store , FireBase Database Needed Help here Bro @aviralsaxena16 😭 🥱 Improved Changes
😭 But Not Working For Me Need to check here ⬆️ This is the Final Report 😊 Thank you Bro @aviralsaxena16 If Anything I had Done Wrong Sorry for that |
aviralsaxena16
left a comment
aviralsaxena16
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Thanks for the contribution, I will review it soon
2 participants
Hi Bro @aviralsaxena16 , This Refers the Issue #138
My Idea is that I adjusted a "Profile-Fill Option" between Login from the sign in with google in the Login Form If Users Already Not Exists It Goes to this Form and Checks About Username If Not Here It Should Be Filled and I adjusted Demo Option should be Keep with Video and Start Coding Journey has made Clearly to work it redirects to Login Form
⭐ That I Not Tested Because When I Tested It Strucks If It Possible Can You Check it . As I Checked My Code I got that It was due to Network or Environment Problem
If it Works in Vercel then No Issue or I will Adjust Again Bro
I Hope you will See and Review My Pull Request Bro @aviralsaxena16
Thanks for this Opportunity
📁 Files Modified
login.tsx
firebase.ts
routes.tsx
profile-fill.tsx
demo.tsx
signup/index.tsx
_app.tsx
Summary by CodeRabbit
New Features
Improvements
Infrastructure
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