Beacon/README.md
RTSDA 75da0e68ac docs: update README to reflect church-core integration
- Document church-core as core dependency and architectural foundation
- Add details about shared library benefits (consistency, reliability)
- Update features list to highlight modular components and caching
- Add architecture section explaining church-core integration
- Document key modules and their responsibilities
- Emphasize elimination of code duplication through shared library
2025-08-16 21:57:43 -04:00

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# Beacon
A modern digital signage application for displaying church events, built with Rust, Iced, and the shared church-core library.
## Features
- Real-time event display with automatic updates
- Smooth image loading and transitions with intelligent caching
- Modern, clean interface design with modular components
- Automatic event filtering based on date/time
- Support for high-resolution displays
- Efficient memory management for images
- Built on shared church-core library for consistency and reliability
- Graceful error handling with comprehensive logging
## Requirements
- Rust 1.70 or higher
- Access to the `church-core` crate (located at `../church-core`)
- A running church API instance with events endpoint
## Configuration
You can configure Beacon in three ways (in order of precedence):
### 1. Environment Variables
Configure Beacon using environment variables:
```bash
export BEACON_API_URL="https://your-api-url.com"
export BEACON_WINDOW_WIDTH="1920"
export BEACON_WINDOW_HEIGHT="1080"
./beacon
```
### 2. .env File
Create a `.env` file in the application directory:
```bash
# Copy the example file
cp .env.example .env
# Edit with your settings
nano .env
```
Example `.env` file:
```env
BEACON_API_URL=https://your-api-endpoint.com
BEACON_WINDOW_WIDTH=1920
BEACON_WINDOW_HEIGHT=1080
RUST_LOG=beacon=info
```
Available environment variables:
- `BEACON_API_URL` - API endpoint URL
- `BEACON_WINDOW_WIDTH` - Window width in pixels
- `BEACON_WINDOW_HEIGHT` - Window height in pixels
### 3. Config File
Create a `config.toml` file in the application directory:
```toml
api_url = "https://your-api-url.com"
window_width = 1920
window_height = 1080
slide_interval_seconds = 10
refresh_interval_minutes = 5
```
**Configuration Precedence:**
1. Environment variables (highest priority)
2. .env file
3. config.toml file (lowest priority)
## Building
```bash
cargo build --release
```
## Running
```bash
./target/release/beacon
```
## Development
The application is built using:
- **church-core** - Shared library for API integration, event models, and utilities
- **Iced** - Modern UI framework for Rust
- **Tokio** - Async runtime
- **Reqwest** - HTTP client for image loading
- Modular architecture with dedicated UI components and caching system
### Architecture
Beacon leverages the shared `church-core` library to:
- Use standardized Event models with built-in helper methods
- Share API client functionality across church projects
- Eliminate code duplication and ensure consistency
- Benefit from shared testing and improvements
### Key Modules
- `src/main.rs` - Application entry point and state management
- `src/ui.rs` - Modular UI components for event display
- `src/cache.rs` - Intelligent image caching system
- `src/config.rs` - Configuration management with validation
- `src/api.rs` - Simplified API integration using church-core
## License
MIT License