feat: add support for user avatars (#2296)

* feat: add support for user avatars

* more fixes

* more fixes

* more fixes

* more fixes

2 files changed, 101 insertions, 0 deletions

diff --git a/apps/web/components/ui/avatar.tsx b/apps/web/components/ui/avatar.tsx
new file mode 100644
index 00000000..7afec626
--- /dev/null
+++ b/apps/web/components/ui/avatar.tsx
@@ -0,0 +1,49 @@
+"use client";
+
+import * as React from "react";
+import { cn } from "@/lib/utils";
+import * as AvatarPrimitive from "@radix-ui/react-avatar";
+
+const Avatar = React.forwardRef<
+  React.ElementRef<typeof AvatarPrimitive.Root>,
+  React.ComponentPropsWithoutRef<typeof AvatarPrimitive.Root>
+>(({ className, ...props }, ref) => (
+  <AvatarPrimitive.Root
+    ref={ref}
+    className={cn(
+      "relative flex h-10 w-10 shrink-0 overflow-hidden rounded-full",
+      className,
+    )}
+    {...props}
+  />
+));
+Avatar.displayName = AvatarPrimitive.Root.displayName;
+
+const AvatarImage = React.forwardRef<
+  React.ElementRef<typeof AvatarPrimitive.Image>,
+  React.ComponentPropsWithoutRef<typeof AvatarPrimitive.Image>
+>(({ className, ...props }, ref) => (
+  <AvatarPrimitive.Image
+    ref={ref}
+    className={cn("aspect-square h-full w-full", className)}
+    {...props}
+  />
+));
+AvatarImage.displayName = AvatarPrimitive.Image.displayName;
+
+const AvatarFallback = React.forwardRef<
+  React.ElementRef<typeof AvatarPrimitive.Fallback>,
+  React.ComponentPropsWithoutRef<typeof AvatarPrimitive.Fallback>
+>(({ className, ...props }, ref) => (
+  <AvatarPrimitive.Fallback
+    ref={ref}
+    className={cn(
+      "flex h-full w-full items-center justify-center rounded-full bg-muted",
+      className,
+    )}
+    {...props}
+  />
+));
+AvatarFallback.displayName = AvatarPrimitive.Fallback.displayName;
+
+export { Avatar, AvatarImage, AvatarFallback };
diff --git a/apps/web/components/ui/user-avatar.tsx b/apps/web/components/ui/user-avatar.tsx
new file mode 100644
index 00000000..4ebb6ec3
--- /dev/null
+++ b/apps/web/components/ui/user-avatar.tsx
@@ -0,0 +1,52 @@
+"use client";
+
+import { useMemo } from "react";
+import { Avatar, AvatarFallback, AvatarImage } from "@/components/ui/avatar";
+import { cn } from "@/lib/utils";
+
+import { getAssetUrl } from "@karakeep/shared/utils/assetUtils";
+
+interface UserAvatarProps {
+  image?: string | null;
+  name?: string | null;
+  className?: string;
+  imgClassName?: string;
+  fallbackClassName?: string;
+  fallback?: React.ReactNode;
+}
+
+const isExternalUrl = (value: string) =>
+  value.startsWith("http://") || value.startsWith("https://");
+
+export function UserAvatar({
+  image,
+  name,
+  className,
+  imgClassName,
+  fallbackClassName,
+  fallback,
+}: UserAvatarProps) {
+  const avatarUrl = useMemo(() => {
+    if (!image) {
+      return null;
+    }
+    return isExternalUrl(image) ? image : getAssetUrl(image);
+  }, [image]);
+
+  const fallbackContent = fallback ?? name?.charAt(0) ?? "U";
+
+  return (
+    <Avatar className={className}>
+      {avatarUrl && (
+        <AvatarImage
+          src={avatarUrl}
+          alt={name ?? "User"}
+          className={cn("object-cover", imgClassName)}
+        />
+      )}
+      <AvatarFallback className={cn("text-sm font-medium", fallbackClassName)}>
+        {fallbackContent}
+      </AvatarFallback>
+    </Avatar>
+  );
+}