added websockets. Closes #32

ell-studio/src/App.js

@@ -8,22 +8,41 @@ import Traces from './pages/Traces';
 import { ThemeProvider } from './contexts/ThemeContext';
 import './styles/globals.css';
 import './styles/sourceCode.css';
+import { useWebSocketConnection } from './hooks/useBackend';
+import { Toaster, toast } from 'react-hot-toast';
+
+const WebSocketConnectionProvider = ({children}) => {
+  const { isConnected } = useWebSocketConnection();
+
+  React.useEffect(() => {
+    if (isConnected) {
+      toast.success('Store connected', {
+        duration: 1000,
+      });
+    } else {
+      toast('Connecting to store...', {
+        icon: '🔄',
+        duration: 500,
+      });
+    }
+  }, [isConnected]);
+
+  return (
+    <>
+      {children}
+      <Toaster position="top-right" />
+    </>
+  );
+};
 
 // Create a client
-const queryClient = new QueryClient({
-  defaultOptions: {
-    queries: {
-      refetchOnWindowFocus: false, // default: true
-      retry: false, // default: 3
-      staleTime: 5 * 60 * 1000, // 5 minutes
-    },
-  },
-});
+const queryClient = new QueryClient();
 
 function App() {
   return (
     <QueryClientProvider client={queryClient}>
       <ThemeProvider>
+        <WebSocketConnectionProvider>
         <Router>
           <div className="flex min-h-screen max-h-screen bg-gray-900 text-gray-100">
             <Sidebar />
@@ -38,6 +57,7 @@ function App() {
             </div>
           </div>
         </Router>
+        </WebSocketConnectionProvider>
       </ThemeProvider>
     </QueryClientProvider>
   );

ell-studio/src/components/HierarchicalTable.js

@@ -9,13 +9,24 @@ const TableRow = ({ item, schema, level = 0, onRowClick, columnWidths, updateWid
   const hasChildren = item.children && item.children.length > 0;
   const isExpanded = expandedRows[item.id];
   const isSelected = isItemSelected(item);
+  const [isNew, setIsNew] = useState(true);
 
   const customRowClassName = rowClassName ? rowClassName(item) : '';
 
+  useEffect(() => {
+    if (isNew) {
+      const timer = setTimeout(() => setIsNew(false), 200);
+      return () => clearTimeout(timer);
+    }
+  }, [isNew]);
+
   return (
     <React.Fragment>
       <tr
-        className={`border-b border-gray-800 hover:bg-gray-800/30 cursor-pointer transition-colors duration-500 ease-in-out ${isSelected ? 'bg-blue-900/30' : ''} ${customRowClassName}`}
+        className={`border-b border-gray-800 hover:bg-gray-800/30 cursor-pointer transition-all duration-500 ease-in-out 
+          ${isSelected ? 'bg-blue-900/30' : ''} 
+          ${customRowClassName}
+          ${isNew ? 'animate-fade-in bg-green-900/30' : ''}`}
         onClick={() => {
           if (onRowClick) onRowClick(item);
         }}

ell-studio/src/components/invocations/InvocationsTable.js

@@ -11,7 +11,6 @@ const InvocationsTable = ({ invocations, currentPage, setCurrentPage, pageSize,
   const navigate = useNavigate();
 
 
-
   const onClickLMP = useCallback(({lmp, id : invocationId}) => {
     navigate(`/lmp/${lmp.name}/${lmp.lmp_id}?i=${invocationId}`);
   }, [navigate]);

ell-studio/src/hooks/useBackend.js

@@ -1,8 +1,45 @@
-import { useQuery, useQueries } from '@tanstack/react-query';
+import { useQuery, useQueryClient, useQueries } from '@tanstack/react-query';
 import axios from 'axios';
-
+import { useEffect, useState } from 'react';
 
 const API_BASE_URL = "http://localhost:8080";
+const WS_URL = "ws://localhost:8080/ws";
+
+export const useWebSocketConnection = () => {
+  const queryClient = useQueryClient();
+  const [isConnected, setIsConnected] = useState(false);
+  useEffect(() => {
+    const socket = new WebSocket(WS_URL);
+
+    socket.onopen = () => {
+      console.log('WebSocket connected');
+      setIsConnected(true);
+    };
+
+    socket.onmessage = (event) => {
+      const data = JSON.parse(event.data);
+      if (data.entity === 'database_updated') {
+        // Invalidate relevant queries
+        queryClient.invalidateQueries({queryKey: ['traces']});
+        queryClient.invalidateQueries({queryKey: ['latestLMPs']});
+        queryClient.invalidateQueries({queryKey: ['invocations']})  ;
+        queryClient.invalidateQueries({queryKey: ['lmpDetails']});
+        console.log('Database updated, invalidating queries');
+      }
+    };
+
+    socket.onclose = () => {
+      console.log('WebSocket disconnected');
+      setIsConnected(false);
+    };
+
+    return () => {
+      console.log('WebSocket connection closed');
+      socket.close();
+    };
+  }, [queryClient]);
+  return { isConnected };
+};
 
 export const useLMPs = (name, id) => {
   return useQuery({
@@ -21,7 +58,7 @@ export const useLMPs = (name, id) => {
   });
 };
 
-export const useInvocations = (name, id, page = 0, pageSize = 50) => {
+export const useInvocationsFromLMP = (name, id, page = 0, pageSize = 50) => {
   return useQuery({
     queryKey: ['invocations', name, id, page, pageSize],
     queryFn: async () => {
@@ -39,6 +76,18 @@ export const useInvocations = (name, id, page = 0, pageSize = 50) => {
   });
 };
 
+export const useInvocation = (id) => {
+  return useQuery({
+    queryKey: ['invocation', id],
+    queryFn: async () => {
+      const response = await axios.get(`${API_BASE_URL}/api/invocation/${id}`);
+      return response.data;
+    },
+    enabled: !!id,
+  });
+}
+
+
 export const useMultipleLMPs = (usesIds) => {
   const multipleLMPs = useQueries({
     queries: (usesIds || []).map(use => ({
@@ -55,26 +104,17 @@ export const useMultipleLMPs = (usesIds) => {
   return { isLoading, data };
 };
 
-
-
-
 export const useLatestLMPs = (page = 0, pageSize = 100) => {
   return useQuery({
-    queryKey: ['allLMPs', page, pageSize],
+    queryKey: ['latestLMPs', page, pageSize],
     queryFn: async () => {
       const skip = page * pageSize;
       const response = await axios.get(`${API_BASE_URL}/api/latest/lmps?skip=${skip}&limit=${pageSize}`);
-      const lmps = response.data;
-
-      return lmps;
+      return response.data;
     }
   });
 };
 
-
-
-
-
 export const useTraces = (lmps) => {
     return useQuery({
       queryKey: ['traces', lmps],
@@ -103,4 +143,4 @@ export const useTraces = (lmps) => {
       },
       enabled: !!lmps && lmps.length > 0,
     });
-  };
+  };

ell-studio/src/pages/LMP.js

@@ -1,6 +1,6 @@
 import React, { useState, useEffect, useMemo } from "react";
 import { useParams, useSearchParams, useNavigate, Link } from "react-router-dom";
-import { useLMPs,  useInvocations, useMultipleLMPs } from "../hooks/useBackend";
+import { useLMPs,  useInvocationsFromLMP, useMultipleLMPs, useInvocation } from "../hooks/useBackend";
 import InvocationsTable from "../components/invocations/InvocationsTable";
 import DependencyGraphPane from "../components/DependencyGraphPane";
 import LMPSourceView from "../components/source/LMPSourceView";
@@ -35,6 +35,7 @@ function LMP() {
   const requestedInvocationId = searchParams.get("i");
 
   const [currentPage, setCurrentPage] = useState(0);
+  const pageSize = 50;
 
   // TODO: Could be expensive if you have a funct on of versions.
   const { data: versionHistory, isLoading: isLoadingLMP } = useLMPs(name);
@@ -47,7 +48,7 @@ function LMP() {
     }
   }, [versionHistory, id]);
 
-  const { data: invocations } = useInvocations(name, id);
+  const { data: invocations } = useInvocationsFromLMP(name, id, currentPage, pageSize);
   const { data: uses } = useMultipleLMPs(lmp?.uses);
 
 
@@ -65,9 +66,14 @@ function LMP() {
       : null;
   }, [versionHistory, lmp]);
 
-  const requestedInvocation = useMemo(() => invocations?.find(
-    (invocation) => invocation.id === requestedInvocationId
-  ), [invocations, requestedInvocationId]);
+  const {data: requestedInvocationQueryData} = useInvocation(requestedInvocationId);
+  const requestedInvocation = useMemo(() => {
+    if (!requestedInvocationQueryData)
+      return invocations?.find(i => i.id === requestedInvocationId);
+    else 
+      return requestedInvocationQueryData;
+
+  }, [requestedInvocationQueryData, invocations, requestedInvocationId]);
 
   useEffect(() => {
     setSelectedTrace(requestedInvocation);
@@ -233,6 +239,7 @@ function LMP() {
                   <InvocationsTable
                     invocations={invocations}
                     currentPage={currentPage}
+                    pageSize={pageSize}
                     setCurrentPage={setCurrentPage}
                     producingLmp={lmp}
                     onSelectTrace={(trace) => {

ell-studio/src/pages/Traces.js

@@ -3,29 +3,21 @@ import { FiCopy, FiZap, FiEdit2, FiFilter, FiClock, FiColumns, FiPause, FiPlay }
 import InvocationsTable from '../components/invocations/InvocationsTable';
 import InvocationsLayout from '../components/invocations/InvocationsLayout';
 import { useNavigate, useLocation } from 'react-router-dom';
-import { useInvocations } from '../hooks/useBackend';
+import { useInvocationsFromLMP } from '../hooks/useBackend';
 
 const Traces = () => {
   const [selectedTrace, setSelectedTrace] = useState(null);
   const [isPolling, setIsPolling] = useState(true);
   const navigate = useNavigate();
   const location = useLocation();
 
+
+  // TODO Unify invocation search behaviour with the LMP page.
   const [currentPage, setCurrentPage] = useState(0);
-  const pageSize = 10;
+  const pageSize = 50;
 
-  const { data: invocations, refetch , isLoading } = useInvocations(null, null, currentPage, pageSize);
+  const { data: invocations , isLoading } = useInvocationsFromLMP(null, null, currentPage, pageSize);
 
-  useEffect(() => {
-    let intervalId;
-    if (isPolling) {
-      intervalId = setInterval(refetch, 200); // Poll every 200ms
-    }
-
-    return () => {
-      if (intervalId) clearInterval(intervalId);
-    };
-  }, [isPolling, refetch]);
 
   useEffect(() => {
     const searchParams = new URLSearchParams(location.search);

src/ell/stores/sql.py

@@ -141,6 +141,7 @@ def get_lmps(self, skip: int = 0, limit: int = 10, subquery=None, **filters: Opt
                 ))
 
             if filters:
+                print(f"Filters: {filters}")
                 for key, value in filters.items():
                     query = query.where(getattr(SerializedLMP, key) == value)
 

src/ell/studio/__main__.py

@@ -1,10 +1,12 @@
+import asyncio
 import os
 import uvicorn
 from argparse import ArgumentParser
 from ell.studio.data_server import create_app
 from fastapi.staticfiles import StaticFiles
 from fastapi.responses import FileResponse
-from watchfiles import run_process
+from watchfiles import awatch
+
 
 def main():
     parser = ArgumentParser(description="ELL Studio Data Server")
@@ -26,8 +28,23 @@ def main():
         async def serve_react_app(full_path: str):
             return FileResponse(os.path.join(static_dir, "index.html"))
 
-    # In production mode, run without auto-reloading
-    uvicorn.run(app, host=args.host, port=args.port)
+    db_path = os.path.join(args.storage_dir, "ell.db")
+
+    async def db_watcher():
+        async for changes in awatch(db_path):
+            print(f"Database changed: {changes}")
+            await app.notify_clients("database_updated")
+
+    # Start the database watcher
+
+
+    loop = asyncio.new_event_loop()
+
+    config = uvicorn.Config(app=app, port=args.port, loop=loop)
+    server = uvicorn.Server(config)
+    loop.create_task(server.serve())
+    loop.create_task(db_watcher())
+    loop.run_forever()
 
 if __name__ == "__main__":
     main()