openrag/frontend/src/contexts/task-context.tsx
2025-10-06 21:26:59 -04:00

336 lines
10 KiB
TypeScript

"use client";
import { useQueryClient } from "@tanstack/react-query";
import type React from "react";
import {
createContext,
useCallback,
useContext,
useEffect,
useRef,
useState,
} from "react";
import { toast } from "sonner";
import { useCancelTaskMutation } from "@/app/api/mutations/useCancelTaskMutation";
import {
type Task,
useGetTasksQuery,
} from "@/app/api/queries/useGetTasksQuery";
import { useAuth } from "@/contexts/auth-context";
// Task interface is now imported from useGetTasksQuery
export type { Task };
export interface TaskFile {
filename: string;
mimetype: string;
source_url: string;
size: number;
connector_type: string;
status: "active" | "failed" | "processing";
task_id: string;
created_at: string;
updated_at: string;
}
interface TaskContextType {
tasks: Task[];
files: TaskFile[];
addTask: (taskId: string) => void;
addFiles: (files: Partial<TaskFile>[], taskId: string) => void;
refreshTasks: () => Promise<void>;
cancelTask: (taskId: string) => Promise<void>;
isPolling: boolean;
isFetching: boolean;
isMenuOpen: boolean;
toggleMenu: () => void;
isRecentTasksExpanded: boolean;
setRecentTasksExpanded: (expanded: boolean) => void;
// React Query states
isLoading: boolean;
error: Error | null;
}
const TaskContext = createContext<TaskContextType | undefined>(undefined);
export function TaskProvider({ children }: { children: React.ReactNode }) {
const [files, setFiles] = useState<TaskFile[]>([]);
const [isMenuOpen, setIsMenuOpen] = useState(false);
const [isRecentTasksExpanded, setIsRecentTasksExpanded] = useState(false);
const previousTasksRef = useRef<Task[]>([]);
const { isAuthenticated, isNoAuthMode } = useAuth();
const queryClient = useQueryClient();
// Use React Query hooks
const {
data: tasks = [],
isLoading,
error,
refetch: refetchTasks,
isFetching,
} = useGetTasksQuery({
enabled: isAuthenticated || isNoAuthMode,
});
const cancelTaskMutation = useCancelTaskMutation({
onSuccess: () => {
toast.success("Task cancelled", {
description: "Task has been cancelled successfully",
});
},
onError: (error) => {
toast.error("Failed to cancel task", {
description: error.message,
});
},
});
const refetchSearch = useCallback(() => {
queryClient.invalidateQueries({
queryKey: ["search"],
exact: false,
});
}, [queryClient]);
const addFiles = useCallback(
(newFiles: Partial<TaskFile>[], taskId: string) => {
const now = new Date().toISOString();
const filesToAdd: TaskFile[] = newFiles.map((file) => ({
filename: file.filename || "",
mimetype: file.mimetype || "",
source_url: file.source_url || "",
size: file.size || 0,
connector_type: file.connector_type || "local",
status: "processing",
task_id: taskId,
created_at: now,
updated_at: now,
}));
setFiles((prevFiles) => [...prevFiles, ...filesToAdd]);
},
[],
);
// Handle task status changes and file updates
useEffect(() => {
if (tasks.length === 0) {
// Store current tasks as previous for next comparison
previousTasksRef.current = tasks;
return;
}
// Check for task status changes by comparing with previous tasks
tasks.forEach((currentTask) => {
const previousTask = previousTasksRef.current.find(
(prev) => prev.task_id === currentTask.task_id,
);
// Only show toasts if we have previous data and status has changed
if (
(previousTask && previousTask.status !== currentTask.status) ||
(!previousTask && previousTasksRef.current.length !== 0)
) {
// Process files from failed task and add them to files list
if (currentTask.files && typeof currentTask.files === "object") {
const taskFileEntries = Object.entries(currentTask.files);
const now = new Date().toISOString();
taskFileEntries.forEach(([filePath, fileInfo]) => {
if (typeof fileInfo === "object" && fileInfo) {
// Use the filename from backend if available, otherwise extract from path
const fileName =
(fileInfo as any).filename ||
filePath.split("/").pop() ||
filePath;
const fileStatus = fileInfo.status as string;
// Map backend file status to our TaskFile status
let mappedStatus: TaskFile["status"];
switch (fileStatus) {
case "pending":
case "running":
mappedStatus = "processing";
break;
case "completed":
mappedStatus = "active";
break;
case "failed":
mappedStatus = "failed";
break;
default:
mappedStatus = "processing";
}
setFiles((prevFiles) => {
const existingFileIndex = prevFiles.findIndex(
(f) =>
f.source_url === filePath &&
f.task_id === currentTask.task_id,
);
// Detect connector type based on file path or other indicators
let connectorType = "local";
if (filePath.includes("/") && !filePath.startsWith("/")) {
// Likely S3 key format (bucket/path/file.ext)
connectorType = "s3";
}
const fileEntry: TaskFile = {
filename: fileName,
mimetype: "", // We don't have this info from the task
source_url: filePath,
size: 0, // We don't have this info from the task
connector_type: connectorType,
status: mappedStatus,
task_id: currentTask.task_id,
created_at:
typeof fileInfo.created_at === "string"
? fileInfo.created_at
: now,
updated_at:
typeof fileInfo.updated_at === "string"
? fileInfo.updated_at
: now,
};
if (existingFileIndex >= 0) {
// Update existing file
const updatedFiles = [...prevFiles];
updatedFiles[existingFileIndex] = fileEntry;
return updatedFiles;
} else {
// Add new file
return [...prevFiles, fileEntry];
}
});
}
});
}
if (
previousTask &&
previousTask.status !== "completed" &&
currentTask.status === "completed"
) {
// Task just completed - show success toast with file counts
const successfulFiles = currentTask.successful_files || 0;
const failedFiles = currentTask.failed_files || 0;
let description = "";
if (failedFiles > 0) {
description = `${successfulFiles} file${
successfulFiles !== 1 ? "s" : ""
} uploaded successfully, ${failedFiles} file${
failedFiles !== 1 ? "s" : ""
} failed`;
} else {
description = `${successfulFiles} file${
successfulFiles !== 1 ? "s" : ""
} uploaded successfully`;
}
toast.success("Task completed", {
description,
action: {
label: "View",
onClick: () => {
setIsMenuOpen(true);
setIsRecentTasksExpanded(true);
},
},
});
setTimeout(() => {
setFiles((prevFiles) =>
prevFiles.filter(
(file) =>
file.task_id !== currentTask.task_id ||
file.status === "failed",
),
);
refetchSearch();
}, 500);
} else if (
previousTask &&
previousTask.status !== "failed" &&
previousTask.status !== "error" &&
(currentTask.status === "failed" || currentTask.status === "error")
) {
// Task just failed - show error toast
toast.error("Task failed", {
description: `Task ${currentTask.task_id} failed: ${
currentTask.error || "Unknown error"
}`,
});
}
}
});
// Store current tasks as previous for next comparison
previousTasksRef.current = tasks;
}, [tasks, refetchSearch]);
const addTask = useCallback(
(_taskId: string) => {
// React Query will automatically handle polling when tasks are active
// Just trigger a refetch to get the latest data
setTimeout(() => {
refetchTasks();
}, 500);
},
[refetchTasks],
);
const refreshTasks = useCallback(async () => {
setFiles([]);
await refetchTasks();
}, [refetchTasks]);
const cancelTask = useCallback(
async (taskId: string) => {
cancelTaskMutation.mutate({ taskId });
},
[cancelTaskMutation],
);
const toggleMenu = useCallback(() => {
setIsMenuOpen((prev) => !prev);
}, []);
// Determine if we're polling based on React Query's refetch interval
const isPolling =
isFetching &&
tasks.some(
(task) =>
task.status === "pending" ||
task.status === "running" ||
task.status === "processing",
);
const value: TaskContextType = {
tasks,
files,
addTask,
addFiles,
refreshTasks,
cancelTask,
isPolling,
isFetching,
isMenuOpen,
toggleMenu,
isRecentTasksExpanded,
setRecentTasksExpanded: setIsRecentTasksExpanded,
isLoading,
error,
};
return <TaskContext.Provider value={value}>{children}</TaskContext.Provider>;
}
export function useTask() {
const context = useContext(TaskContext);
if (context === undefined) {
throw new Error("useTask must be used within a TaskProvider");
}
return context;
}