Implement all core features: Knowledge pipeline, RAG chat, Todos, Habits, Study Cards, Tags, Dashboard

- Google OAuth authentication with callback flow
- Knowledge ingest pipeline (TEXT/WEB/YOUTUBE → chunking → categorization → embedding)
- OCI GenAI integration (chat, embeddings) with multi-model support
- Semantic search via Oracle VECTOR_DISTANCE
- RAG-based AI chat with source attribution
- Todos with subtasks, filters, and priority levels
- Habits with daily check-in, streak tracking, and color customization
- Study Cards with SM-2 spaced repetition and LLM auto-generation
- Tags system with knowledge item mapping
- Dashboard with live data from all modules

Co-Authored-By: Claude Opus 4.6 (1M context) <noreply@anthropic.com>
This commit is contained in:
2026-03-30 21:43:51 +00:00
parent 3d2aa6cf46
commit 9929322de0
41 changed files with 11435 additions and 156 deletions

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"use client";
import { useEffect, useState } from "react";
import { useParams, useRouter } from "next/navigation";
import AuthGuard from "@/components/auth-guard";
import NavBar from "@/components/nav-bar";
import { useApi } from "@/lib/use-api";
interface Category {
ID: string;
NAME: string;
DEPTH: number;
FULL_PATH: string;
}
interface KnowledgeItem {
ID: string;
TYPE: string;
TITLE: string;
SOURCE_URL: string;
RAW_TEXT: string;
STATUS: string;
CREATED_AT: string;
UPDATED_AT: string;
CATEGORIES: Category[];
}
interface Chunk {
ID: string;
CHUNK_INDEX: number;
CONTENT: string;
TOKEN_COUNT: number;
}
const statusColors: Record<string, string> = {
PENDING: "bg-yellow-500/20 text-yellow-400",
EXTRACTING: "bg-blue-500/20 text-blue-400",
CHUNKING: "bg-purple-500/20 text-purple-400",
CATEGORIZING: "bg-indigo-500/20 text-indigo-400",
EMBEDDING: "bg-cyan-500/20 text-cyan-400",
READY: "bg-green-500/20 text-green-400",
FAILED: "bg-red-500/20 text-red-400",
};
const typeLabels: Record<string, string> = {
YOUTUBE: "YouTube",
WEB: "Web",
TEXT: "Text",
};
function extractYouTubeVideoId(url: string): string | null {
try {
const u = new URL(url);
if (u.hostname === "youtu.be") return u.pathname.slice(1);
if (u.hostname.includes("youtube.com")) return u.searchParams.get("v");
} catch {
// invalid URL
}
return null;
}
export default function KnowledgeDetailPage() {
const { request } = useApi();
const router = useRouter();
const params = useParams();
const id = params.id as string;
const [item, setItem] = useState<KnowledgeItem | null>(null);
const [chunks, setChunks] = useState<Chunk[]>([]);
const [loading, setLoading] = useState(true);
const [error, setError] = useState<string | null>(null);
const [editingTitle, setEditingTitle] = useState(false);
const [titleDraft, setTitleDraft] = useState("");
const [showChunks, setShowChunks] = useState(false);
const [deleting, setDeleting] = useState(false);
const [generating, setGenerating] = useState(false);
const fetchItem = async () => {
try {
const data = await request<KnowledgeItem>({ method: "GET", url: `/api/knowledge/${id}` });
setItem(data);
} catch (err: unknown) {
const msg = err instanceof Error ? err.message : "Failed to load";
setError(msg);
} finally {
setLoading(false);
}
};
const fetchChunks = async () => {
try {
const data = await request<Chunk[]>({ method: "GET", url: `/api/knowledge/${id}/chunks` });
setChunks(data);
} catch (err) {
console.error("Failed to load chunks:", err);
}
};
useEffect(() => {
fetchItem();
}, [id]);
// Poll while processing
useEffect(() => {
if (!item) return;
const processing = ["PENDING", "EXTRACTING", "CHUNKING", "CATEGORIZING", "EMBEDDING"].includes(item.STATUS);
if (!processing) return;
const interval = setInterval(fetchItem, 3000);
return () => clearInterval(interval);
}, [item?.STATUS]);
const handleSaveTitle = async () => {
if (!titleDraft.trim()) return;
try {
const updated = await request<KnowledgeItem>({
method: "PATCH",
url: `/api/knowledge/${id}`,
data: { title: titleDraft.trim() },
});
setItem(updated);
setEditingTitle(false);
} catch (err) {
console.error("Failed to update title:", err);
}
};
const handleDelete = async () => {
if (!confirm("정말 삭제하시겠습니까?")) return;
setDeleting(true);
try {
await request({ method: "DELETE", url: `/api/knowledge/${id}` });
router.push("/knowledge");
} catch (err) {
console.error("Failed to delete:", err);
setDeleting(false);
}
};
const handleToggleChunks = () => {
if (!showChunks && chunks.length === 0) {
fetchChunks();
}
setShowChunks(!showChunks);
};
if (loading) {
return (
<AuthGuard>
<NavBar />
<main className="max-w-4xl mx-auto px-4 py-8">
<p className="text-[var(--color-text-muted)]">Loading...</p>
</main>
</AuthGuard>
);
}
if (error || !item) {
return (
<AuthGuard>
<NavBar />
<main className="max-w-4xl mx-auto px-4 py-8">
<p className="text-red-400">{error || "Item not found"}</p>
<button
onClick={() => router.push("/knowledge")}
className="mt-4 text-sm text-[var(--color-primary)] hover:underline"
>
Back to Knowledge
</button>
</main>
</AuthGuard>
);
}
const videoId = item.TYPE === "YOUTUBE" && item.SOURCE_URL ? extractYouTubeVideoId(item.SOURCE_URL) : null;
return (
<AuthGuard>
<NavBar />
<main className="max-w-4xl mx-auto px-4 py-8">
{/* Back link */}
<button
onClick={() => router.push("/knowledge")}
className="text-sm text-[var(--color-text-muted)] hover:text-[var(--color-primary)] mb-4 inline-block"
>
Back to Knowledge
</button>
{/* Header */}
<div className="bg-[var(--color-bg-card)] rounded-xl p-6 border border-[var(--color-border)] mb-6">
<div className="flex items-center gap-3 mb-3">
<span className="text-xs px-2 py-0.5 rounded bg-[var(--color-bg-hover)] text-[var(--color-text-muted)]">
{typeLabels[item.TYPE] || item.TYPE}
</span>
<span className={`text-xs px-2 py-0.5 rounded ${statusColors[item.STATUS] || ""}`}>
{item.STATUS}
</span>
</div>
{/* Title (editable) */}
{editingTitle ? (
<div className="flex gap-2 mb-3">
<input
type="text"
value={titleDraft}
onChange={(e) => setTitleDraft(e.target.value)}
onKeyDown={(e) => e.key === "Enter" && handleSaveTitle()}
className="flex-1 px-3 py-1 rounded-lg bg-[var(--color-bg-hover)] border border-[var(--color-border)] focus:border-[var(--color-primary)] focus:outline-none text-lg font-bold"
autoFocus
/>
<button
onClick={handleSaveTitle}
className="px-3 py-1 text-sm bg-[var(--color-primary)] rounded-lg"
>
</button>
<button
onClick={() => setEditingTitle(false)}
className="px-3 py-1 text-sm bg-[var(--color-bg-hover)] border border-[var(--color-border)] rounded-lg"
>
</button>
</div>
) : (
<h1
className="text-xl font-bold mb-3 cursor-pointer hover:text-[var(--color-primary)] transition-colors"
onClick={() => {
setTitleDraft(item.TITLE || "");
setEditingTitle(true);
}}
title="클릭하여 제목 수정"
>
{item.TITLE || "Untitled"}
</h1>
)}
{/* Source URL */}
{item.SOURCE_URL && (
<p className="text-sm text-[var(--color-text-muted)] mb-3 break-all">
<a href={item.SOURCE_URL} target="_blank" rel="noopener noreferrer" className="hover:text-[var(--color-primary)]">
{item.SOURCE_URL}
</a>
</p>
)}
{/* Meta */}
<div className="flex gap-4 text-xs text-[var(--color-text-muted)]">
<span>: {new Date(item.CREATED_AT).toLocaleString("ko-KR")}</span>
<span>: {new Date(item.UPDATED_AT).toLocaleString("ko-KR")}</span>
</div>
</div>
{/* YouTube Embed */}
{videoId && (
<div className="rounded-xl overflow-hidden border border-[var(--color-border)] mb-6">
<div className="relative w-full" style={{ paddingBottom: "56.25%" }}>
<iframe
className="absolute inset-0 w-full h-full"
src={`https://www.youtube.com/embed/${videoId}`}
allow="accelerometer; autoplay; clipboard-write; encrypted-media; gyroscope; picture-in-picture"
allowFullScreen
/>
</div>
</div>
)}
{/* Processing indicator */}
{/* Categories */}
{item.CATEGORIES && item.CATEGORIES.length > 0 && (
<div className="flex flex-wrap gap-2 mb-6">
{item.CATEGORIES.map((cat) => (
<span
key={cat.ID}
className="text-xs px-2.5 py-1 rounded-full bg-[var(--color-primary)]/15 text-[var(--color-primary)] border border-[var(--color-primary)]/30"
>
{cat.FULL_PATH}
</span>
))}
</div>
)}
{["PENDING", "EXTRACTING", "CHUNKING", "CATEGORIZING"].includes(item.STATUS) && (
<div className="bg-blue-500/10 border border-blue-500/30 rounded-xl p-4 mb-6 flex items-center gap-3">
<div className="w-4 h-4 border-2 border-blue-400 border-t-transparent rounded-full animate-spin" />
<span className="text-sm text-blue-400">
{item.STATUS === "PENDING" && "파이프라인 대기 중..."}
{item.STATUS === "EXTRACTING" && "텍스트 추출 중..."}
{item.STATUS === "CHUNKING" && "청킹 처리 중..."}
{item.STATUS === "CATEGORIZING" && "카테고리 분류 중..."}
{item.STATUS === "EMBEDDING" && "벡터 임베딩 중..."}
</span>
</div>
)}
{/* Chunks toggle */}
{item.STATUS === "READY" && (
<div className="mb-6">
<button
onClick={handleToggleChunks}
className="text-sm text-[var(--color-primary)] hover:underline"
>
{showChunks ? "▼ 청크 숨기기" : "▶ 청크 보기"}
</button>
{showChunks && (
<div className="mt-3 space-y-3">
{chunks.length === 0 ? (
<p className="text-sm text-[var(--color-text-muted)]">Loading chunks...</p>
) : (
chunks.map((chunk) => (
<div
key={chunk.ID}
className="bg-[var(--color-bg-card)] rounded-lg p-4 border border-[var(--color-border)]"
>
<div className="flex justify-between items-center mb-2">
<span className="text-xs text-[var(--color-text-muted)]">
Chunk #{chunk.CHUNK_INDEX}
</span>
<span className="text-xs text-[var(--color-text-muted)]">
~{chunk.TOKEN_COUNT} tokens
</span>
</div>
<p className="text-sm whitespace-pre-wrap">{chunk.CONTENT}</p>
</div>
))
)}
</div>
)}
</div>
)}
{/* Actions */}
<div className="pt-4 border-t border-[var(--color-border)] flex items-center gap-4">
{item.STATUS === "READY" && (
<button
onClick={async () => {
setGenerating(true);
try {
const result = await request<{ generated: number }>({
method: "POST",
url: `/api/study-cards/generate/${id}`,
});
alert(`${result.generated}개의 스터디 카드가 생성되었습니다.`);
} catch (err) {
console.error("Failed to generate cards:", err);
alert("카드 생성에 실패했습니다.");
} finally {
setGenerating(false);
}
}}
disabled={generating}
className="text-sm text-[var(--color-primary)] hover:underline disabled:opacity-40"
>
{generating ? "카드 생성 중..." : "스터디 카드 생성"}
</button>
)}
<button
onClick={handleDelete}
disabled={deleting}
className="text-sm text-red-400 hover:text-red-300 disabled:opacity-40"
>
{deleting ? "삭제 중..." : "삭제"}
</button>
</div>
</main>
</AuthGuard>
);
}