-
Database Schema Design:
- Design Neo4j schema for different node types (beliefs, wants, needs, etc.)
- Plan the structure for edges, including tag-based connections
- Design the schema for discussions and voting systems
-
Backend API Development:
- Create RESTful endpoints for CRUD operations on nodes:
- Implement BeliefNode creation endpoint
- Implement WordNode creation/retrieval endpoint
- Implement Discussion creation/retrieval endpoint
- Implement Comment creation/retrieval endpoint
- Implement Voting endpoints (create vote, get tally)
- Implement endpoint for fetching graph data with various filters
- Create service to handle communication with ProjectZer0AI for tag generation
- Implement service to fetch definitions from free dictionary API
- Create RESTful endpoints for CRUD operations on nodes:
-
Integration with ProjectZer0AI:
- Set up connection between ProjectZer0Backend and ProjectZer0AI
- Implement tag generation flow in the backend
-
Frontend Development:
- Add "Create New Node" button to the dashboard
- Develop create-node page:
- Create dynamic form for node creation
- Implement dropdown for node type selection
- Add form fields (tags, statement, discussion initiation, creator credit)
- Implement client-side form validation
- Develop node display components:
- Create BeliefNode display component
- Create WordNode display component
- Implement voting UI for nodes and comments
- Create discussion thread component
-
Complete Create Node Functionality:
- Implement full create-node flow with AI tag generation
- Add error handling and form validation
-
Graph Visualization:
- Set up basic 2D graph using D3.js
- Implement node and edge rendering
- Add basic interactivity (zooming, panning, clicking nodes)
-
Node Details Page:
- Design and implement page to display full node details
- Include discussion thread
-
Graph Filters:
- Create UI for applying different filters to the graph
- Implement filter logic on the frontend
-
Voting System:
- Design and implement voting mechanism for nodes and discussions
- Update backend to handle vote storage and retrieval
-
Performance Optimization:
- Implement efficient graph data loading and rendering
- Consider pagination or lazy loading for large graphs
-
Security Enhancements:
- Ensure proper authentication and authorization for node creation and editing
- Implement measures to prevent spam or abuse in node creation and discussions
-
Advanced Features:
- Implement 3D visualization option with Three.js
- Develop user notification system for node interactions and discussions
-
User Experience Improvements:
- Enhance overall user interface design
- Implement mobile responsiveness
-
Documentation:
- Update API documentation
- Create user guides for new features
- Set up initial project structure
- Implement authentication flow
- Create user profile functionality
- Implement user profile editing
- Design and implement database schemas
- Create comprehensive testing suite for schemas
-
Backend (NestJS):
src/neo4j/
: Neo4j service and schemassrc/nodes/
: Controllers and services for different node typessrc/services/
: Additional services (e.g., AI integration, word definition)src/auth/
: Authentication-related components
-
Frontend (SvelteKit):
src/routes/
: Page componentssrc/lib/components/
: Reusable UI componentssrc/lib/services/
: API communication and state management
-
BeliefNode:
- Properties: id, createdBy, publicCredit, statement, initialComment, createdAt, updatedAt
- Relationships:
- TAGGED -> WordNode (with frequency property)
- HAS_DISCUSSION -> DiscussionNode
- SHARED_TAG -> Other BeliefNodes (with strength property)
-
WordNode:
- Properties: word, createdBy, createdAt, positiveVotes, negativeVotes
- Relationships:
- HAS_DEFINITION -> DefinitionNode
- HAS_DISCUSSION -> DiscussionNode
-
DefinitionNode:
- Properties: id, text, createdBy, createdAt, votes
-
DiscussionNode:
- Properties: id, createdAt
- Relationships:
- HAS_COMMENT -> CommentNode
-
CommentNode:
- Properties: id, createdBy, commentText, createdAt, positiveVotes, negativeVotes
- User initiates node creation from the dashboard
- Frontend displays dynamic form based on node type
- User fills out form (including manual tags)
- Frontend sends node data to backend
- Backend processes the request: a. Sends text to ProjectZer0AI for tag generation b. Combines AI-generated tags with user-provided tags c. Fetches definitions for new words from free dictionary API d. Creates necessary nodes and relationships in Neo4j e. Returns created node data to frontend
- Frontend updates display with new node information
- Implement boolean voting (upvote/downvote) for BeliefNodes, WordNodes, and CommentNodes
- Store vote counts directly on nodes for quick access
- Use VOTED_ON relationship between User and voted nodes to prevent duplicate voting
- For SHARED_TAG relationships between BeliefNodes:
- Strength = product of tag frequencies in both connected beliefs
- Update strength when beliefs are created or updated
- Unit tests for individual components (services, controllers, schemas)
- Integration tests for API endpoints
- End-to-end tests for critical user flows (e.g., node creation, voting)
- Implement pagination for large result sets
- Use efficient Neo4j queries with appropriate indexes
- Consider caching frequently accessed data
- Implement proper authentication checks for all sensitive operations
- Validate and sanitize all user inputs
- Use HTTPS for all API communications
- Prioritize the implementation of BeliefNode and WordNode creation and display
- Ensure proper error handling and validation in both frontend and backend
- Consider implementing the ProjectZer0AI integration early to facilitate tag generation
- Keep focusing on test-driven development as we implement new features
- Regularly review and update this TODO list as the project progresses
Add nav nodes, Add expand and contract between detail and preview node views for all nodes colour code nodes Update dashboard and word page (and forms?) to exist on our graph.
Core Graph Layout System Brief Current Purpose
Visualize word nodes with their related definition nodes Handle smooth transitions between preview and detail modes for nodes Maintain proper spacing and prevent overlaps during size changes Organize definitions based on vote counts (highest votes closest to word)
Future Scale & Requirements
Node Types & Growth
Statement nodes from user submissions Category nodes from AI categorization Keyword-based connections from AI analysis Growing, dynamic graph with potentially thousands of nodes Multiple visualization modes for different node types
Connection Types
Keyword-based links (nodes sharing common tags) Category links (AI-assigned categories) Direct links (user-created explicit connections) Vote-weighted connections (affecting layout) Hierarchical relationships
Performance Considerations
Efficient node lookup system needed Graph partitioning for large networks Lazy loading for distant nodes Memory optimization for large datasets Smooth transitions at scale
Technical Requirements Layout Engine
D3 Force Simulation for dynamic positioning Custom forces for specific layout requirements Efficient node collision detection Dynamic link distance calculations Smooth transitions between node states
Data Structure
ID-based node reference system Efficient node lookup mechanism Flexible link type handling State management for node modes Cache system for partial graph loading
Visual Considerations
Preview vs Detail node modes Dynamic spacing based on node sizes Force adjustments for different node types Visual hierarchy in complex networks Transition animations
Key Challenges to Address
Scale Management
Efficient handling of large node counts Performance optimization for force calculations Memory management for large datasets Partial graph loading/unloading
Visual Clarity
Prevent node overlaps during transitions Maintain readability in dense areas Clear visual hierarchy Smooth transitions between states
Technical Implementation
Type-safe force simulation integration Efficient node lookup system Flexible link type handling State management for node modes
Future Development Priorities
Immediate Needs
Perfect current word/definition layout Optimize node size transition handling Implement efficient node lookup system Improve force calculation efficiency
Near-term Additions
Support for statement nodes Keyword-based linking system Category node implementation Enhanced force calculations for new node types
Long-term Goals
Advanced graph partitioning Lazy loading system Performance optimization for scale Complex relationship visualization
Technical Debt Considerations
Current force simulation might need optimization for scale Node lookup system needs efficiency improvements Link type system needs expansion State management might need restructuring for complexity Type system needs enhancement for future features
This layout system is a fundamental component that will grow with the platform, requiring careful attention to scalability, performance, and maintainability in future iterations.
ProjectZer0's graph visualization system is designed to provide an interactive, dynamic representation of interconnected knowledge nodes. The system must handle multiple view types while maintaining a consistent user experience and smooth transitions between states.
- Dynamic force-directed graph layouts
- Multiple specialized view types
- Interactive node size transitions
- Adaptive navigation system
- Hierarchical comment threading
- Vote-based node positioning
- Dashboard, forms, and other standalone content
- Central content node with circular navigation nodes around it
- Simple, stable layout requirements
- Central word node with circular navigation nodes arround it
- Surrounding definition nodes with Vote-based proximity organization
- Live/alternative definition distinction
- Dynamic size transitions
- Multiple interconnected statement nodes
- Word-based edge connections
- Vote-based centrality
- Large-scale network handling
- Node-centered discussion threads
- Hierarchical comment organization
- Vote-based thread positioning
- Clear visual thread separation
src/lib/
├── components/
│ └── graph/
│ ├── Graph.svelte # Universal graph container
│ ├── GraphLayout.svelte # Layout management
│ ├── edges/ # Edge components
│ │ ├── BaseEdge.svelte
│ │ └── WordDefinitionEdge.svelte
│ └── nodes/ # Node components
│ ├── base/
│ ├── word/
│ ├── definition/
│ └── discussion/
├── services/
│ └── graph/
│ ├── simulation/
│ │ ├── ForceSimulation.ts # Main simulation controller
│ │ └── layouts/ # Layout strategies
│ │ ├── BaseLayoutStrategy.ts
│ │ ├── SingleNodeLayout.ts
│ │ ├── WordDefinitionLayout.ts
│ │ └── DiscussionLayout.ts
│ └── transformers/ # Data transformation services
├── constants/
│ └── graph/
│ ├── forces.ts # Force configurations
│ ├── nodes.ts # Node constants
│ └── edges.ts # Edge constants
└── types/
└── graph/
├── core.ts # Core type definitions
├── layout.ts # Layout types
└── simulation.ts # Simulation types
abstract class BaseLayoutStrategy {
protected simulation: d3.Simulation<LayoutNode, LayoutLink>;
protected width: number;
protected height: number;
constructor(width: number, height: number) {
this.width = width;
this.height = height;
this.simulation = this.initializeSimulation();
}
protected abstract configureForces(): void;
protected abstract initializeNodePositions(nodes: LayoutNode[]): void;
public abstract handleNodeStateChange(
nodeId: string,
newState: NodeState
): void;
}
protected configureBaseForces(): void {
// Collision force for all layouts
const collision = d3.forceCollide<LayoutNode>()
.radius(node => {
const baseRadius = FORCE_CONSTANTS.getNodeBaseRadius(
node.type,
node.subtype === 'live',
node.metadata.isDetail
);
return baseRadius + FORCE_CONSTANTS.COLLISION.PADDING[node.type];
})
.strength(FORCE_CONSTANTS.COLLISION.STRENGTH)
.iterations(FORCE_CONSTANTS.COLLISION.ITERATIONS);
// Basic many-body force
const charge = d3.forceManyBody()
.strength(FORCE_CONSTANTS.CHARGE.DEFAULT)
.distanceMin(FORCE_CONSTANTS.CHARGE.DISTANCE_MIN)
.distanceMax(FORCE_CONSTANTS.CHARGE.DISTANCE_MAX);
this.simulation
.force("collision", collision)
.force("charge", charge);
}
class SingleNodeLayout extends BaseLayoutStrategy {
configureForces(): void {
this.configureBaseForces();
// Navigation node positioning force
const navigationForce = d3.forceRadial<LayoutNode>(
node => {
if (node.type !== 'navigation') return 0;
const centralNode = this.getCentralNode();
return this.calculateNavigationRadius(centralNode);
},
0,
0
).strength(1);
this.simulation.force("navigation", navigationForce);
}
}
class WordDefinitionLayout extends BaseLayoutStrategy {
configureForces(): void {
this.configureBaseForces();
// Vote-based many-body force
const manyBody = d3.forceManyBody<LayoutNode>()
.strength(node => {
if (node.type === 'word') return 0;
return -300 + (node.metadata.votes * this.voteScale);
})
.distanceMin(150)
.distanceMax(1000);
// Link force for word-definition connections
const link = d3.forceLink<LayoutNode, LayoutLink>()
.id(d => d.id)
.strength(l => FORCE_CONSTANTS.getLinkStrength(
l.type,
(l.target as LayoutNode).subtype === 'live'
));
this.simulation
.force("manyBody", manyBody)
.force("link", link);
}
}
class StatementLayout extends BaseLayoutStrategy {
configureForces(): void {
this.configureBaseForces();
// Vote-based center attraction
const centerAttraction = d3.forceManyBody<LayoutNode>()
.strength(node => {
return -100 + (node.metadata.votes * this.voteScale);
})
.distanceMin(150)
.distanceMax(2000);
// Word-based link force
const link = d3.forceLink<LayoutNode, LayoutLink>()
.id(d => d.id)
.strength(0.3);
this.simulation
.force("centerAttraction", centerAttraction)
.force("link", link);
}
}
class DiscussionLayout extends BaseLayoutStrategy {
configureForces(): void {
this.configureBaseForces();
// Thread-aware many-body force
const manyBody = d3.forceManyBody<LayoutNode>()
.strength(node => {
if (node.type === 'discussion') return 0;
const threadVotes = this.getThreadVotes(node);
return -200 + (threadVotes * this.voteScale);
});
// Thread-maintaining link force
const link = d3.forceLink<LayoutNode, LayoutLink>()
.id(d => d.id)
.distance(link => {
const target = link.target as CommentNode;
const baseDistance = 200;
const voteAdjustment = target.metadata.votes * 2;
return baseDistance - voteAdjustment;
})
.strength(0.5);
this.simulation
.force("manyBody", manyBody)
.force("link", link);
}
}
-
Core Infrastructure
- Base force simulation setup
- Layout strategy system
- Node/edge base components
-
Single Node Views
- Central node positioning
- Navigation node circle
- Basic transitions
-
Word-Definition Views
- Vote-based positioning
- Live/alternative handling
- Size transitions
-
Statement Network
- Large-scale force handling
- Word-based edges
- Performance optimization
-
Discussion Views
- Thread hierarchy
- Comment organization
- Vote-based positioning
- Force calculations
- Node positioning
- State transitions
- Layout strategies
- Full view rendering
- Force interactions
- State management
- Performance metrics
- Large network handling
- Transition smoothness
- Memory usage
- Frame rates
- Use Barnes-Hut approximation for large networks
- Implement node culling for distant elements
- Optimize force calculation frequency
- Handle large datasets efficiently
- Smooth transitions between states
- Consistent navigation positioning
- Clear visual hierarchy
- Responsive interactions
- Clear separation of concerns
- Type safety throughout
- Documented force configurations
- Modular layout strategies
export const FORCE_CONSTANTS = {
SIMULATION: {
ALPHA_DECAY: 0.02,
VELOCITY_DECAY: 0.4,
ALPHA_MIN: 0.001,
ALPHA_TARGET: 0
},
CHARGE: {
DEFAULT: -30,
DISTANCE_MIN: 50,
DISTANCE_MAX: 1000
},
COLLISION: {
STRENGTH: 1,
ITERATIONS: 4,
PADDING: {
CENTRAL: 20,
DEFINITION: 15,
NAVIGATION: 10
}
},
NAVIGATION: {
PREVIEW_PADDING: 100,
DETAIL_PADDING: 250,
TRANSITION_DURATION: 300
}
};
interface EdgeRenderOptions {
sourceNode: LayoutNode;
targetNode: LayoutNode;
type: EdgeType;
}
function calculateEdgePath({
sourceNode,
targetNode,
type
}: EdgeRenderOptions): string {
const sourceRadius = getNodeRadius(sourceNode);
const targetRadius = getNodeRadius(targetNode);
// Calculate actual connection points
const angle = Math.atan2(
targetNode.y - sourceNode.y,
targetNode.x - sourceNode.x
);
const startX = sourceNode.x + Math.cos(angle) * sourceRadius;
const startY = sourceNode.y + Math.sin(angle) * sourceRadius;
const endX = targetNode.x - Math.cos(angle) * targetRadius;
const endY = targetNode.y - Math.sin(angle) * targetRadius;
return `M ${startX} ${startY} L ${endX} ${endY}`;
}
This document serves as a comprehensive guide for the development of ProjectZer0's graph visualization system. It should be updated as development progresses and new requirements or optimizations are discovered.