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Merged
codercatdev merged 1 commit into from
Oct 22, 2026
Merged

feat(site): add profile photo upload to guest portal #773

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100 changes: 100 additions & 0 deletions apps/site/src/lib/sanity/write-client.ts
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Original file line number Diff line number Diff line change
Expand Up @@ -240,3 +240,103 @@ export function getSanityServerClient(): {
canWrite: Boolean(writeToken),
};
}

export async function uploadSanityImageDataUrl(
dataUrl: string,
filenameBase = "guest-avatar",
): Promise<{ _id: string; url: string } | null> {
const workerEnv = (env ?? {}) as unknown as Record<
string,
string | undefined
>;
const projectId = workerEnv.PUBLIC_SANITY_PROJECT_ID || "hfh83o0w";
const dataset = workerEnv.PUBLIC_SANITY_DATASET || "production";
const apiVersion = workerEnv.PUBLIC_SANITY_API_VERSION || "2025-09-30";
const writeToken =
workerEnv.SANITY_API_WRITE_TOKEN ||
workerEnv.SANITY_AUTH_TOKEN ||
workerEnv.SANITY_WRITE_TOKEN;

if (!writeToken) {
return null;
}

const match = dataUrl.match(
/^data:(image\/(?:jpeg|png|webp));base64,([A-Za-z0-9+/=]+)$/,
);
if (!match) {
throw new Error(
"Invalid image format. Please upload a JPEG, PNG, or WebP image.",
);
}

const mimeType = match[1];
const base64Data = match[2];
const binaryStr = atob(base64Data);
const len = binaryStr.length;

if (len < 64 || len > 2 * 1024 * 1024) {
throw new Error("Profile photo must be under 2 MB.");
}

const bytes = new Uint8Array(len);
for (let i = 0; i < len; i++) {
bytes[i] = binaryStr.charCodeAt(i);
}

// Verify magic bytes for JPEG (FF D8 FF), PNG (89 50 4E 47), or WebP (RIFF....WEBP)
const isJpeg = bytes[0] === 0xff && bytes[1] === 0xd8 && bytes[2] === 0xff;
const isPng =
bytes[0] === 0x89 &&
bytes[1] === 0x50 &&
bytes[2] === 0x4e &&
bytes[3] === 0x47;
const isWebp =
bytes[0] === 0x52 &&
bytes[1] === 0x49 &&
bytes[2] === 0x46 &&
bytes[3] === 0x46 &&
bytes[8] === 0x57 &&
bytes[9] === 0x45 &&
bytes[10] === 0x42 &&
bytes[11] === 0x50;

if (!isJpeg && !isPng && !isWebp) {
throw new Error("Invalid image file header.");
}

const ext =
mimeType === "image/png"
? "png"
: mimeType === "image/webp"
? "webp"
: "jpg";
const cleanFilename = `${filenameBase.replace(/[^a-zA-Z0-9_-]/g, "-")}.${ext}`;

const uploadUrl = `https://${projectId}.api.sanity.io/v${apiVersion}/assets/images/${dataset}?filename=${encodeURIComponent(cleanFilename)}`;
const res = await fetch(uploadUrl, {
method: "POST",
headers: {
Authorization: `Bearer ${writeToken}`,
"Content-Type": mimeType,
},
body: bytes,
});

if (!res.ok) {
const text = await res.text();
throw new Error(`Sanity image upload failed (${res.status}): ${text}`);
}

const json = (await res.json()) as {
document?: { _id?: string; url?: string };
};
if (!json.document?._id || !json.document?.url) {
throw new Error("Sanity did not return an uploaded image asset document.");
}

return {
_id: json.document._id,
url: json.document.url,
};
}
28 changes: 27 additions & 1 deletion apps/site/src/pages/api/guest-portal/update.ts
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Original file line number Diff line number Diff line change
Expand Up @@ -5,7 +5,10 @@ import {
sanitizePortableTextBlocks,
verifyGuestPortalToken,
} from "@/lib/guest-portal";
import { getSanityServerClient } from "@/lib/sanity/write-client";
import {
getSanityServerClient,
uploadSanityImageDataUrl,
} from "@/lib/sanity/write-client";

export const POST: APIRoute = async ({ request }) => {
try {
Expand All @@ -15,6 +18,7 @@ export const POST: APIRoute = async ({ request }) => {
websiteUrl?: string;
excerpt?: string;
content?: unknown[];
avatarDataUrl?: string;
socials?: Record<string, string>;
};

Expand Down Expand Up @@ -129,6 +133,27 @@ export const POST: APIRoute = async ({ request }) => {
}
}

let uploadedAvatarUrl: string | undefined;
if (
typeof body.avatarDataUrl === "string" &&
body.avatarDataUrl.startsWith("data:image/")
) {
const uploadedAsset = await uploadSanityImageDataUrl(
body.avatarDataUrl,
verification.payload?.slug || existingGuest._id,
);
if (uploadedAsset) {
patchSet.coverImage = {
_type: "image",
asset: {
_type: "reference",
_ref: uploadedAsset._id,
},
};
uploadedAvatarUrl = uploadedAsset.url;
}
}

if (canWrite) {
await client.patch(existingGuest._id).set(patchSet).commit();
}
Expand All @@ -138,6 +163,7 @@ export const POST: APIRoute = async ({ request }) => {
ok: true,
guestId: existingGuest._id,
socials: mergedSocials,
avatarUrl: uploadedAvatarUrl,
persistedToSanity: canWrite,
}),
{ status: 200, headers: { "Content-Type": "application/json" } },
Expand Down
134 changes: 125 additions & 9 deletions apps/site/src/pages/guest-portal/[token].astro
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Original file line number Diff line number Diff line change
Expand Up @@ -197,13 +197,12 @@ const socialFields = [
<div class="rounded-2xl border border-border bg-card p-6 shadow-sm sm:p-8">
<div class="flex flex-col gap-6 sm:flex-row sm:items-center sm:justify-between">
<div class="flex items-center gap-4">
{guestDoc.avatarUrl && (
<img
src={`${guestDoc.avatarUrl}?w=160&h=160&fit=crop&auto=format`}
alt={guestDoc.title}
class="h-16 w-16 rounded-full object-cover ring-2 ring-primary/30"
/>
)}
<img
id="header-avatar-img"
src={guestDoc.avatarUrl ? `${guestDoc.avatarUrl}?w=160&h=160&fit=crop&auto=format` : "https://codingcat.dev/images/logo.png"}
alt={guestDoc.title}
class="h-16 w-16 rounded-full object-cover ring-2 ring-primary/30"
/>
<div>
<span class="inline-flex items-center rounded-full bg-emerald-500/15 px-3 py-1 text-xs font-medium text-emerald-400">
Verified Sanity Guest Magic Link
Expand Down Expand Up @@ -271,6 +270,40 @@ const socialFields = [
data-token={token}
class="rounded-2xl border border-border bg-card p-6 shadow-sm sm:p-8 space-y-6"
>
<div class="flex flex-col gap-4 rounded-xl border border-border/80 bg-muted/20 p-4 sm:flex-row sm:items-center sm:justify-between">
<div class="flex items-center gap-4">
<img
id="avatar-preview-img"
src={guestDoc.avatarUrl ? `${guestDoc.avatarUrl}?w=160&h=160&fit=crop&auto=format` : "https://codingcat.dev/images/logo.png"}
alt={guestDoc.title}
class="h-16 w-16 rounded-full object-cover ring-2 ring-primary/40"
/>
<div>
<h2 class="text-sm font-semibold text-foreground">
Profile Photo
</h2>
<p id="avatar-status-text" class="mt-0.5 text-xs text-muted-foreground">
Upload a new JPG, PNG, or WebP speaker headshot (automatically optimized before saving to Sanity).
</p>
</div>
</div>
<div class="flex items-center gap-2">
<input
id="field-avatar-file"
type="file"
accept="image/jpeg,image/png,image/webp"
class="hidden"
/>
<button
type="button"
id="choose-avatar-btn"
class="inline-flex items-center rounded-xl border border-border bg-background px-4 py-2 text-xs font-semibold text-foreground shadow-sm hover:bg-muted cursor-pointer"
>
Upload New Photo
</button>
</div>
</div>

<div class="grid gap-5 sm:grid-cols-2">
<div>
<label class="block text-sm font-medium text-foreground" for="field-title">
Expand Down Expand Up @@ -538,6 +571,78 @@ const socialFields = [
const toolbarEl = document.getElementById("pt-toolbar") as HTMLElement | null;
const jsonPreviewEl = document.getElementById("pt-json-preview") as HTMLElement | null;
const badgeEl = document.getElementById("pt-block-badge") as HTMLElement | null;
const avatarFileInput = document.getElementById("field-avatar-file") as HTMLInputElement | null;
const chooseAvatarBtn = document.getElementById("choose-avatar-btn") as HTMLButtonElement | null;
const avatarPreviewImg = document.getElementById("avatar-preview-img") as HTMLImageElement | null;
const headerAvatarImg = document.getElementById("header-avatar-img") as HTMLImageElement | null;
const avatarStatusText = document.getElementById("avatar-status-text") as HTMLElement | null;

let stagedAvatarDataUrl: string | undefined;

async function resizeImageFileToDataUrl(file: File, maxDim = 800): Promise<string> {
return new Promise((resolve, reject) => {
const reader = new FileReader();
reader.onerror = () => reject(new Error("Could not read selected image file."));
reader.onload = () => {
const img = new Image();
img.onerror = () => reject(new Error("Invalid or unsupported image file."));
img.onload = () => {
let width = img.naturalWidth || img.width;
let height = img.naturalHeight || img.height;
if (width > maxDim || height > maxDim) {
if (width >= height) {
height = Math.round((height * maxDim) / width);
width = maxDim;
} else {
width = Math.round((width * maxDim) / height);
height = maxDim;
}
}
const canvas = document.createElement("canvas");
canvas.width = width;
canvas.height = height;
const ctx = canvas.getContext("2d");
if (!ctx) {
reject(new Error("Browser canvas is unavailable."));
return;
}
ctx.drawImage(img, 0, 0, width, height);
const dataUrl = canvas.toDataURL("image/jpeg", 0.9);
resolve(dataUrl);
};
img.src = String(reader.result);
};
reader.readAsDataURL(file);
});
}

chooseAvatarBtn?.addEventListener("click", () => {
avatarFileInput?.click();
});

avatarFileInput?.addEventListener("change", async () => {
const file = avatarFileInput.files?.[0];
if (!file) return;
try {
if (avatarStatusText) {
avatarStatusText.className = "mt-0.5 text-xs text-muted-foreground";
avatarStatusText.textContent = "Optimizing photo...";
}
const dataUrl = await resizeImageFileToDataUrl(file, 800);
stagedAvatarDataUrl = dataUrl;
if (avatarPreviewImg) avatarPreviewImg.src = dataUrl;
if (headerAvatarImg) headerAvatarImg.src = dataUrl;
if (avatarStatusText) {
avatarStatusText.className = "mt-0.5 text-xs font-medium text-emerald-400";
avatarStatusText.textContent = `Ready to save (${file.name}) — click "Save Profile to Sanity" below.`;
}
} catch (err) {
if (avatarStatusText) {
avatarStatusText.className = "mt-0.5 text-xs font-medium text-red-400";
avatarStatusText.textContent = err instanceof Error ? err.message : "Could not load photo.";
}
}
});

interface PtSpan {
_type: "span";
Expand Down Expand Up @@ -855,15 +960,26 @@ const socialFields = [
websiteUrl: websiteInput?.value.trim(),
excerpt: excerptInput?.value.trim(),
content,
avatarDataUrl: stagedAvatarDataUrl,
socials,
}),
});
const data = (await res.json()) as { error?: string };
const data = (await res.json()) as { error?: string; avatarUrl?: string };
if (!res.ok) {
throw new Error(data.error || "Failed to update profile");
}
if (data.avatarUrl) {
const freshUrl = `${data.avatarUrl}?w=160&h=160&fit=crop&auto=format`;
if (avatarPreviewImg) avatarPreviewImg.src = freshUrl;
if (headerAvatarImg) headerAvatarImg.src = freshUrl;
stagedAvatarDataUrl = undefined;
if (avatarStatusText) {
avatarStatusText.className = "mt-0.5 text-xs font-medium text-emerald-400";
avatarStatusText.textContent = "Profile photo uploaded and saved to Sanity!";
}
}
statusEl.className = "text-sm font-medium text-emerald-400";
statusEl.textContent = "Saved! Your CodingCat.dev speaker profile and About section have been updated.";
statusEl.textContent = "Saved! Your CodingCat.dev speaker profile, photo, and About section have been updated.";
} catch (err) {
statusEl.className = "text-sm font-medium text-red-400";
statusEl.textContent = err instanceof Error ? err.message : "Error saving profile";
Expand Down
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