add functionality to clone shared chats

backend/open_webui/models/chats.py

@@ -469,6 +469,8 @@ class ChatTable:
     def get_chat_by_share_id(self, id: str) -> Optional[ChatModel]:
         try:
             with get_db() as db:
+                # it is possible that the shared link was deleted. hence,
+                # we check if the chat is still shared by checkng if a chat with the share_id exists
                 chat = db.query(Chat).filter_by(share_id=id).first()
 
                 if chat:

backend/open_webui/routers/chats.py

@@ -463,6 +463,31 @@ async def clone_chat_by_id(id: str, user=Depends(get_verified_user)):
         )
 
 
+############################
+# CloneChatByShareId
+############################
+
+
+@router.post("/{share_id}/clone_shared", response_model=Optional[ChatResponse])
+async def clone_chat_by_share_id(share_id: str, user=Depends(get_verified_user)):
+    chat = Chats.get_chat_by_share_id(share_id)
+    if chat:
+        updated_chat = {
+            **chat.chat,
+            "originalChatId": chat.id,
+            "branchPointMessageId": chat.chat["history"]["currentId"],
+            "title": f"Clone of {chat.title}",
+        }
+
+        chat = Chats.insert_new_chat(user.id, ChatForm(**{"chat": updated_chat}))
+        return ChatResponse(**chat.model_dump())
+    else:
+        raise HTTPException(
+            status_code=status.HTTP_401_UNAUTHORIZED, detail=ERROR_MESSAGES.DEFAULT()
+        )
+
+
+
 ############################
 # ArchiveChat
 ############################

src/lib/apis/chats/index.ts

@@ -618,6 +618,44 @@ export const cloneChatById = async (token: string, id: string) => {
 	return res;
 };
 
+export const cloneChatByShareId = async (token: string, share_id: string) => {
+	let error = null;
+
+	const res = await fetch(`${WEBUI_API_BASE_URL}/chats/${share_id}/clone_shared`, {
+		method: 'POST',
+		headers: {
+			Accept: 'application/json',
+			'Content-Type': 'application/json',
+			...(token && { authorization: `Bearer ${token}` })
+		}
+	})
+		.then(async (res) => {
+			if (!res.ok) throw await res.json();
+			return res.json();
+		})
+		.then((json) => {
+			return json;
+		})
+		.catch((err) => {
+			error = err;
+
+			if ('detail' in err) {
+				error = err.detail;
+			} else {
+				error = err;
+			}
+
+			console.log(err);
+			return null;
+		});
+
+	if (error) {
+		throw error;
+	}
+
+	return res;
+};
+
 export const shareChatById = async (token: string, id: string) => {
 	let error = null;
 

src/routes/s/[id]/+page.svelte

@@ -8,13 +8,14 @@
 	import { settings, chatId, WEBUI_NAME, models } from '$lib/stores';
 	import { convertMessagesToHistory, createMessagesList } from '$lib/utils';
 
-	import { getChatByShareId } from '$lib/apis/chats';
+	import { getChatByShareId, cloneChatByShareId } from '$lib/apis/chats';
 
 	import Messages from '$lib/components/chat/Messages.svelte';
 	import Navbar from '$lib/components/layout/Navbar.svelte';
 	import { getUserById } from '$lib/apis/users';
 	import { error } from '@sveltejs/kit';
 	import { getModels } from '$lib/apis';
+	import { toast } from 'svelte-sonner';
 
 	const i18n = getContext('i18n');
 
@@ -100,6 +101,19 @@
 			}
 		}
 	};
+
+	const cloneSharedChat = async () => {
+		if (!chat) return;
+		
+		const res = await cloneChatByShareId(localStorage.token, chat.id).catch((error) => {
+			toast.error(error);
+			return null;
+		});
+
+		if (res) {
+			goto(`/c/${res.id}`);
+		}
+	};
 </script>
 
 <svelte:head>
@@ -121,8 +135,16 @@
 						{title}
 					</div>
 
-					<div class=" mt-1 text-gray-400">
+					<div class="flex justify-between items-center mt-1">
-						{dayjs(chat.chat.timestamp).format($i18n.t('MMMM DD, YYYY'))}
+						<div class="text-gray-400">
+							{dayjs(chat.chat.timestamp).format($i18n.t('MMMM DD, YYYY'))}
+						</div>
+						<button
+							class="px-4 py-2 text-sm font-medium bg-emerald-600 hover:bg-emerald-500 text-white rounded-xl transition"
+							on:click={cloneSharedChat}
+						>
+							{$i18n.t('Clone in OpenWebUI')}
+						</button>
 					</div>
 				</div>