supermemory/packages/ui/memory-graph/hooks/use-graph-data.ts
2025-08-21 08:40:44 -07:00

304 lines
9 KiB
TypeScript

"use client";
import {
calculateSemanticSimilarity,
getConnectionVisualProps,
getMagicalConnectionColor,
} from "@repo/lib/similarity";
import { useMemo } from "react";
import { colors, LAYOUT_CONSTANTS } from "../constants";
import type {
DocumentsResponse,
DocumentWithMemories,
GraphEdge,
GraphNode,
MemoryEntry,
MemoryRelation,
} from "../types";
export function useGraphData(
data: DocumentsResponse | null,
selectedSpace: string,
nodePositions: Map<string, { x: number; y: number }>,
draggingNodeId: string | null,
) {
return useMemo(() => {
if (!data?.documents) return { nodes: [], edges: [] };
const allNodes: GraphNode[] = [];
const allEdges: GraphEdge[] = [];
// Filter documents that have memories in selected space
const filteredDocuments = data.documents
.map((doc) => ({
...doc,
memoryEntries:
selectedSpace === "all"
? doc.memoryEntries
: doc.memoryEntries.filter(
(memory) =>
(memory.spaceContainerTag ?? memory.spaceId ?? "default") ===
selectedSpace,
),
}))
.filter((doc) => doc.memoryEntries.length > 0);
// Group documents by space for better clustering
const documentsBySpace = new Map<string, typeof filteredDocuments>();
filteredDocuments.forEach((doc) => {
const docSpace =
doc.memoryEntries[0]?.spaceContainerTag ??
doc.memoryEntries[0]?.spaceId ??
"default";
if (!documentsBySpace.has(docSpace)) {
documentsBySpace.set(docSpace, []);
}
const spaceDocsArr = documentsBySpace.get(docSpace);
if (spaceDocsArr) {
spaceDocsArr.push(doc);
}
});
// Enhanced Layout with Space Separation
const { centerX, centerY, clusterRadius, spaceSpacing, documentSpacing } =
LAYOUT_CONSTANTS;
/* 1. Build DOCUMENT nodes with space-aware clustering */
const documentNodes: GraphNode[] = [];
let spaceIndex = 0;
documentsBySpace.forEach((spaceDocs) => {
const spaceAngle = (spaceIndex / documentsBySpace.size) * Math.PI * 2;
const spaceOffsetX = Math.cos(spaceAngle) * spaceSpacing;
const spaceOffsetY = Math.sin(spaceAngle) * spaceSpacing;
const spaceCenterX = centerX + spaceOffsetX;
const spaceCenterY = centerY + spaceOffsetY;
spaceDocs.forEach((doc, docIndex) => {
// Create proper circular layout with concentric rings
const docsPerRing = 6; // Start with 6 docs in inner ring
let currentRing = 0;
let docsInCurrentRing = docsPerRing;
let totalDocsInPreviousRings = 0;
// Find which ring this document belongs to
while (totalDocsInPreviousRings + docsInCurrentRing <= docIndex) {
totalDocsInPreviousRings += docsInCurrentRing;
currentRing++;
docsInCurrentRing = docsPerRing + currentRing * 4; // Each ring has more docs
}
// Position within the ring
const positionInRing = docIndex - totalDocsInPreviousRings;
const angleInRing = (positionInRing / docsInCurrentRing) * Math.PI * 2;
// Radius increases significantly with each ring
const baseRadius = documentSpacing * 0.8;
const radius =
currentRing === 0
? baseRadius
: baseRadius + currentRing * documentSpacing * 1.2;
const defaultX = spaceCenterX + Math.cos(angleInRing) * radius;
const defaultY = spaceCenterY + Math.sin(angleInRing) * radius;
const customPos = nodePositions.get(doc.id);
documentNodes.push({
id: doc.id,
type: "document",
x: customPos?.x ?? defaultX,
y: customPos?.y ?? defaultY,
data: doc,
size: 58,
color: colors.document.primary,
isHovered: false,
isDragging: draggingNodeId === doc.id,
} satisfies GraphNode);
});
spaceIndex++;
});
/* 2. Gentle document collision avoidance with dampening */
const minDocDist = LAYOUT_CONSTANTS.minDocDist;
// Reduced iterations and gentler repulsion for smoother movement
for (let iter = 0; iter < 2; iter++) {
documentNodes.forEach((nodeA) => {
documentNodes.forEach((nodeB) => {
if (nodeA.id >= nodeB.id) return;
// Only repel documents in the same space
const spaceA =
(nodeA.data as DocumentWithMemories).memoryEntries[0]
?.spaceContainerTag ??
(nodeA.data as DocumentWithMemories).memoryEntries[0]?.spaceId ??
"default";
const spaceB =
(nodeB.data as DocumentWithMemories).memoryEntries[0]
?.spaceContainerTag ??
(nodeB.data as DocumentWithMemories).memoryEntries[0]?.spaceId ??
"default";
if (spaceA !== spaceB) return;
const dx = nodeB.x - nodeA.x;
const dy = nodeB.y - nodeA.y;
const dist = Math.sqrt(dx * dx + dy * dy) || 1;
if (dist < minDocDist) {
// Much gentler push with dampening
const push = (minDocDist - dist) / 8;
const dampening = Math.max(0.1, Math.min(1, dist / minDocDist));
const smoothPush = push * dampening * 0.5;
const nx = dx / dist;
const ny = dy / dist;
nodeA.x -= nx * smoothPush;
nodeA.y -= ny * smoothPush;
nodeB.x += nx * smoothPush;
nodeB.y += ny * smoothPush;
}
});
});
}
allNodes.push(...documentNodes);
/* 3. Add memories around documents WITH doc-memory connections */
documentNodes.forEach((docNode) => {
const memoryNodeMap = new Map<string, GraphNode>();
const doc = docNode.data as DocumentWithMemories;
doc.memoryEntries.forEach((memory, memIndex) => {
const memoryId = `${memory.id}`;
const customMemPos = nodePositions.get(memoryId);
const clusterAngle =
(memIndex / doc.memoryEntries.length) * Math.PI * 2;
const variation = Math.sin(memIndex * 2.5) * 0.3 + 0.7;
const distance = clusterRadius * variation;
const seed =
memIndex * 12345 + Number.parseInt(docNode.id.slice(0, 6), 36);
const offsetX = Math.sin(seed) * 0.5 * 40;
const offsetY = Math.cos(seed) * 0.5 * 40;
const defaultMemX =
docNode.x + Math.cos(clusterAngle) * distance + offsetX;
const defaultMemY =
docNode.y + Math.sin(clusterAngle) * distance + offsetY;
if (!memoryNodeMap.has(memoryId)) {
const memoryNode: GraphNode = {
id: memoryId,
type: "memory",
x: customMemPos?.x ?? defaultMemX,
y: customMemPos?.y ?? defaultMemY,
data: memory,
size: Math.max(
32,
Math.min(48, (memory.memory?.length || 50) * 0.5),
),
color: colors.memory.primary,
isHovered: false,
isDragging: draggingNodeId === memoryId,
};
memoryNodeMap.set(memoryId, memoryNode);
allNodes.push(memoryNode);
}
// Create doc-memory edge with similarity
allEdges.push({
id: `edge-${docNode.id}-${memory.id}`,
source: docNode.id,
target: memoryId,
similarity: 1,
visualProps: getConnectionVisualProps(1),
color: colors.connection.memory,
edgeType: "doc-memory",
});
});
});
// Build mapping of memoryId -> nodeId for version chains
const memNodeIdMap = new Map<string, string>();
allNodes.forEach((n) => {
if (n.type === "memory") {
memNodeIdMap.set((n.data as MemoryEntry).id, n.id);
}
});
// Add version-chain edges (old -> new)
data.documents.forEach((doc) => {
doc.memoryEntries.forEach((mem: MemoryEntry) => {
// Support both new object structure and legacy array/single parent fields
let parentRelations: Record<string, MemoryRelation> = {};
if (
mem.memoryRelations &&
typeof mem.memoryRelations === "object" &&
Object.keys(mem.memoryRelations).length > 0
) {
parentRelations = mem.memoryRelations;
} else if (mem.parentMemoryId) {
parentRelations = {
[mem.parentMemoryId]: "updates" as MemoryRelation,
};
}
Object.entries(parentRelations).forEach(([pid, relationType]) => {
const fromId = memNodeIdMap.get(pid);
const toId = memNodeIdMap.get(mem.id);
if (fromId && toId) {
allEdges.push({
id: `version-${fromId}-${toId}`,
source: fromId,
target: toId,
similarity: 1,
visualProps: {
opacity: 0.8,
thickness: 1,
glow: 0,
pulseDuration: 3000,
},
// choose color based on relation type
color: colors.relations[relationType] ?? colors.relations.updates,
edgeType: "version",
relationType: relationType as MemoryRelation,
});
}
});
});
});
// Document-to-document similarity edges
for (let i = 0; i < filteredDocuments.length; i++) {
const docI = filteredDocuments[i];
if (!docI) continue;
for (let j = i + 1; j < filteredDocuments.length; j++) {
const docJ = filteredDocuments[j];
if (!docJ) continue;
const sim = calculateSemanticSimilarity(
docI.summaryEmbedding ? Array.from(docI.summaryEmbedding) : null,
docJ.summaryEmbedding ? Array.from(docJ.summaryEmbedding) : null,
);
if (sim > 0.725) {
allEdges.push({
id: `doc-doc-${docI.id}-${docJ.id}`,
source: docI.id,
target: docJ.id,
similarity: sim,
visualProps: getConnectionVisualProps(sim),
color: getMagicalConnectionColor(sim, 200),
edgeType: "doc-doc",
});
}
}
}
return { nodes: allNodes, edges: allEdges };
}, [data, selectedSpace, nodePositions, draggingNodeId]);
}