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import Workspace from "@/models/workspace";
import paths from "@/utils/paths";
import showToast from "@/utils/toast";
import { Plus, CircleNotch, Trash } from "@phosphor-icons/react";
import { useEffect, useState } from "react";
import ThreadItem from "./ThreadItem";
import { useParams } from "react-router-dom";
export const THREAD_RENAME_EVENT = "renameThread";
export default function ThreadContainer({ workspace }) {
const { threadSlug = null } = useParams();
const [threads, setThreads] = useState([]);
const [loading, setLoading] = useState(true);
const [ctrlPressed, setCtrlPressed] = useState(false);
useEffect(() => {
const chatHandler = (event) => {
const { threadSlug, newName } = event.detail;
setThreads((prevThreads) =>
prevThreads.map((thread) => {
if (thread.slug === threadSlug) {
return { ...thread, name: newName };
}
return thread;
})
);
};
window.addEventListener(THREAD_RENAME_EVENT, chatHandler);
return () => {
window.removeEventListener(THREAD_RENAME_EVENT, chatHandler);
};
}, []);
useEffect(() => {
async function fetchThreads() {
if (!workspace.slug) return;
const { threads } = await Workspace.threads.all(workspace.slug);
setLoading(false);
setThreads(threads);
}
fetchThreads();
}, [workspace.slug]);
// Enable toggling of bulk-deletion by holding meta-key (ctrl on win and cmd/fn on others)
useEffect(() => {
const handleKeyDown = (event) => {
if (["Control", "Meta"].includes(event.key)) {
setCtrlPressed(true);
}
};
const handleKeyUp = (event) => {
if (["Control", "Meta"].includes(event.key)) {
setCtrlPressed(false);
// when toggling, unset bulk progress so
// previously marked threads that were never deleted
// come back to life.
setThreads((prev) =>
prev.map((t) => {
return { ...t, deleted: false };
})
);
}
};
window.addEventListener("keydown", handleKeyDown);
window.addEventListener("keyup", handleKeyUp);
return () => {
window.removeEventListener("keydown", handleKeyDown);
window.removeEventListener("keyup", handleKeyUp);
};
}, []);
const toggleForDeletion = (id) => {
setThreads((prev) =>
prev.map((t) => {
if (t.id !== id) return t;
return { ...t, deleted: !t.deleted };
})
);
};
const handleDeleteAll = async () => {
const slugs = threads.filter((t) => t.deleted === true).map((t) => t.slug);
await Workspace.threads.deleteBulk(workspace.slug, slugs);
setThreads((prev) => prev.filter((t) => !t.deleted));
// Only redirect if current thread is being deleted
if (slugs.includes(threadSlug)) {
window.location.href = paths.workspace.chat(workspace.slug);
}
};
function removeThread(threadId) {
setThreads((prev) =>
prev.map((_t) => {
if (_t.id !== threadId) return _t;
return { ..._t, deleted: true };
})
);
// Show thread was deleted, but then remove from threads entirely so it will
// not appear in bulk-selection.
setTimeout(() => {
setThreads((prev) => prev.filter((t) => !t.deleted));
}, 500);
}
if (loading) {
return (
<div className="flex flex-col bg-pulse w-full h-10 items-center justify-center">
<p className="text-xs text-white animate-pulse">loading threads....</p>
</div>
);
}
const activeThreadIdx = !!threads.find(
(thread) => thread?.slug === threadSlug
)
? threads.findIndex((thread) => thread?.slug === threadSlug) + 1
: 0;
return (
<div className="flex flex-col" role="list" aria-label="Threads">
<ThreadItem
idx={0}
activeIdx={activeThreadIdx}
isActive={activeThreadIdx === 0}
thread={{ slug: null, name: "default" }}
hasNext={threads.length > 0}
/>
{threads.map((thread, i) => (
<ThreadItem
key={thread.slug}
idx={i + 1}
ctrlPressed={ctrlPressed}
toggleMarkForDeletion={toggleForDeletion}
activeIdx={activeThreadIdx}
isActive={activeThreadIdx === i + 1}
workspace={workspace}
onRemove={removeThread}
thread={thread}
hasNext={i !== threads.length - 1}
/>
))}
<DeleteAllThreadButton
ctrlPressed={ctrlPressed}
threads={threads}
onDelete={handleDeleteAll}
/>
<NewThreadButton workspace={workspace} />
</div>
);
}
function NewThreadButton({ workspace }) {
const [loading, setLoading] = useState(false);
const onClick = async () => {
setLoading(true);
const { thread, error } = await Workspace.threads.new(workspace.slug);
if (!!error) {
showToast(`Could not create thread - ${error}`, "error", { clear: true });
setLoading(false);
return;
}
window.location.replace(
paths.workspace.thread(workspace.slug, thread.slug)
);
};
return (
<button
onClick={onClick}
className="w-full relative flex h-[40px] items-center border-none hover:bg-[var(--theme-sidebar-thread-selected)] hover:light:bg-theme-sidebar-subitem-hover rounded-lg"
>
<div className="flex w-full gap-x-2 items-center pl-4">
<div className="bg-white/20 p-2 rounded-lg h-[24px] w-[24px] flex items-center justify-center">
{loading ? (
<CircleNotch
weight="bold"
size={14}
className="shrink-0 animate-spin text-white light:text-theme-text-primary"
/>
) : (
<Plus
weight="bold"
size={14}
className="shrink-0 text-white light:text-theme-text-primary"
/>
)}
</div>
{loading ? (
<p className="text-left text-white light:text-theme-text-primary text-sm">
Starting Thread...
</p>
) : (
<p className="text-left text-white light:text-theme-text-primary text-sm">
New Thread
</p>
)}
</div>
</button>
);
}
function DeleteAllThreadButton({ ctrlPressed, threads, onDelete }) {
if (!ctrlPressed || threads.filter((t) => t.deleted).length === 0)
return null;
return (
<button
type="button"
onClick={onDelete}
className="w-full relative flex h-[40px] items-center border-none hover:bg-red-400/20 rounded-lg group"
>
<div className="flex w-full gap-x-2 items-center pl-4">
<div className="bg-transparent p-2 rounded-lg h-[24px] w-[24px] flex items-center justify-center">
<Trash
weight="bold"
size={14}
className="shrink-0 text-white light:text-red-500/50 group-hover:text-red-400"
/>
</div>
<p className="text-white light:text-theme-text-secondary text-left text-sm group-hover:text-red-400">
Delete Selected
</p>
</div>
</button>
);
}
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