use crate::{
DriverCallback, DriverCategory, DriverContext,
types::{Driver, DriverParameter},
};
use anyhow::Result;
use qrcode::QrCode;
use serde_json::{Value, json};
use std::collections::HashMap;
#[derive(Debug)]
pub struct QrCodeGenerateDriver;
#[async_trait::async_trait]
impl Driver for QrCodeGenerateDriver {
fn name(&self) -> &str {
"qrcode_generate"
}
fn description(&self) -> &str {
"Generate a QR code from text or URL"
}
fn usage_hint(&self) -> &str {
"Use this skill to create QR codes for URLs, text, or contact information."
}
fn parameters(&self) -> Vec<DriverParameter> {
vec![
DriverParameter {
name: "content".to_string(),
param_type: "string".to_string(),
description: "Content to encode in the QR code".to_string(),
required: true,
default: None,
example: Some(Value::String("https://example.com".to_string())),
enum_values: None,
},
DriverParameter {
name: "destination".to_string(),
param_type: "string".to_string(),
description: "Output file path (PNG format)".to_string(),
required: true,
default: None,
example: Some(Value::String("/path/to/qrcode.png".to_string())),
enum_values: None,
},
DriverParameter {
name: "size".to_string(),
param_type: "integer".to_string(),
description: "Size of the QR code in pixels".to_string(),
required: false,
default: Some(Value::Number(300.into())),
example: Some(Value::Number(500.into())),
enum_values: None,
},
]
}
fn example_call(&self) -> Value {
json!({
"action": "qrcode_generate",
"parameters": {
"content": "https://github.com",
"destination": "/output/qrcode.png",
"size": 400
}
})
}
fn example_output(&self) -> String {
"QR Code generated successfully at /output/qrcode.png".to_string()
}
fn category(&self) -> DriverCategory {
DriverCategory::Media
}
async fn execute(
&self,
parameters: &HashMap<String, Value>,
callback: Option<&dyn DriverCallback>,
context: Option<&DriverContext>,
) -> Result<String> {
let task_id = context.as_ref().and_then(|c| c.task_id()).map(String::from);
let driver_index = context.as_ref().and_then(|c| c.driver_index());
let step_name = context
.as_ref()
.and_then(|c| c.driver_name())
.map(String::from);
let cb = callback;
if let Some(cb) = cb {
cb.on_start(task_id.clone(), driver_index, step_name);
cb.on_log(
task_id.clone(),
driver_index,
Some("Starting QR code generation".to_string()),
);
cb.on_progress(task_id.clone(), driver_index, Some(10), None);
}
let content = parameters
.get("content")
.and_then(|v| v.as_str())
.ok_or_else(|| anyhow::anyhow!("Missing 'content' parameter"))?;
let destination = parameters
.get("destination")
.and_then(|v| v.as_str())
.ok_or_else(|| anyhow::anyhow!("Missing 'destination' parameter"))?;
let size = parameters
.get("size")
.and_then(|v| v.as_u64())
.unwrap_or(300) as u32;
if let Some(cb) = cb {
cb.on_log(
task_id.clone(),
driver_index,
Some(format!(
"Content: {}, destination: {}, size: {}",
content, destination, size
)),
);
cb.on_progress(task_id.clone(), driver_index, Some(30), None);
}
if let Some(cb) = cb {
cb.on_log(
task_id.clone(),
driver_index,
Some("Generating QR code...".to_string()),
);
cb.on_progress(task_id.clone(), driver_index, Some(50), None);
}
let code = QrCode::new(content)
.map_err(|e| anyhow::anyhow!("Failed to generate QR code: {}", e))?;
if let Some(cb) = cb {
cb.on_log(
task_id.clone(),
driver_index,
Some("Rendering QR code image...".to_string()),
);
cb.on_progress(task_id.clone(), driver_index, Some(70), None);
}
let image = code
.render::<image::Luma<u8>>()
.min_dimensions(size, size)
.build();
if let Some(cb) = cb {
cb.on_log(
task_id.clone(),
driver_index,
Some("Saving QR code...".to_string()),
);
cb.on_progress(task_id.clone(), driver_index, Some(85), None);
}
image
.save(destination)
.map_err(|e| anyhow::anyhow!("Failed to save QR code: {}", e))?;
let result_msg = format!("QR Code generated successfully at {}", destination);
if let Some(cb) = cb {
cb.on_log(
task_id.clone(),
driver_index,
Some(format!("Result: {}", result_msg)),
);
cb.on_progress(task_id.clone(), driver_index, Some(100), None);
cb.on_complete(
task_id.clone(),
driver_index,
Some("qrcode_generate".to_string()),
Some(result_msg.clone()),
);
}
Ok(result_msg)
}
}