use crate::DriverCallback;
use crate::DriverContext;
use crate::{
DriverCategory,
types::{Driver, DriverParameter},
};
use crate::{DriverError, DriverResult, ensure_dir, file_exists, read_file_content, validate_path, write_file_content};
use serde_json::{Value, json};
use std::collections::HashMap;
use tracing::{debug, info};
#[derive(Debug)]
pub struct MarkdownReadDriver;
#[async_trait::async_trait]
impl Driver for MarkdownReadDriver {
fn name(&self) -> &str {
return "markdown_read";
}
fn description(&self) -> &str {
return "Read and parse Markdown file content";
}
fn usage_hint(&self) -> &str {
return "Use this skill when the user wants to read a Markdown file, view documentation, or extract content from a .md file";
}
fn parameters(&self) -> Vec<DriverParameter> {
return vec![
DriverParameter {
name: "path".to_string(),
param_type: "string".to_string(),
description: "Path to the Markdown file".to_string(),
required: true,
default: None,
example: Some(Value::String("README.md".to_string())),
enum_values: None,
},
DriverParameter {
name: "extract_frontmatter".to_string(),
param_type: "boolean".to_string(),
description: "Extract YAML frontmatter metadata if present".to_string(),
required: false,
default: Some(Value::Bool(true)),
example: Some(Value::Bool(true)),
enum_values: None,
},
];
}
fn example_call(&self) -> DriverResult<Value> {
return Ok(json!({
"action": "markdown_read",
"parameters": {
"path": "README.md"
}
}));
}
fn example_output(&self) -> String {
return "# Title\n\nThis is the content of the markdown file.".to_string();
}
fn category(&self) -> DriverCategory {
return DriverCategory::Document;
}
async fn execute(
&self,
parameters: &HashMap<String, Value>,
callback: Option<&dyn DriverCallback>,
context: Option<&DriverContext>,
) -> DriverResult<String> {
debug!("Executing markdown_read driver");
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);
if let Some(cb) = callback {
cb.on_start(task_id.clone(), driver_index, step_name.clone());
cb.on_log(task_id.clone(), driver_index, Some("Starting markdown read operation".to_string()));
cb.on_progress(task_id.clone(), driver_index, Some(10), None);
}
let path = parameters.get("path").and_then(|v| v.as_str()).ok_or_else(|| DriverError::missing_parameter("path"))?;
if let Some(cb) = callback {
cb.on_log(task_id.clone(), driver_index, Some(format!("Reading file: {}", path)));
cb.on_progress(task_id.clone(), driver_index, Some(25), None);
}
let extract_frontmatter = parameters.get("extract_frontmatter").and_then(|v| v.as_bool()).unwrap_or(true);
if let Some(cb) = callback {
cb.on_log(task_id.clone(), driver_index, Some(format!("Extract frontmatter: {}", extract_frontmatter)));
cb.on_progress(task_id.clone(), driver_index, Some(40), None);
}
debug!("Validating file path: {}", path);
let validated_path = validate_path(path, None).map_err(|e| DriverError::execution(format!("Invalid path: {}", e)))?;
if let Some(cb) = callback {
cb.on_log(task_id.clone(), driver_index, Some(format!("Validated path: {}", validated_path.to_string_lossy())));
cb.on_progress(task_id.clone(), driver_index, Some(55), None);
}
if !file_exists(&validated_path.to_string_lossy()) {
if let Some(cb) = callback {
cb.on_log(task_id.clone(), driver_index, Some(format!("File not found: {}", path)));
cb.on_progress(task_id.clone(), driver_index, Some(60), None);
}
return Err(DriverError::execution(format!("Markdown file not found: {}", path)));
}
if let Some(cb) = callback {
cb.on_log(task_id.clone(), driver_index, Some("File exists, reading content".to_string()));
cb.on_progress(task_id.clone(), driver_index, Some(70), None);
}
let content =
read_file_content(&validated_path.to_string_lossy()).map_err(|e| DriverError::execution(format!("Failed to read file: {}", e)))?;
if let Some(cb) = callback {
cb.on_log(task_id.clone(), driver_index, Some(format!("Read {} bytes", content.len())));
cb.on_progress(task_id.clone(), driver_index, Some(80), None);
}
if extract_frontmatter && content.starts_with("---") {
if let Some(cb) = callback {
cb.on_log(task_id.clone(), driver_index, Some("Detected frontmatter, parsing".to_string()));
cb.on_progress(task_id.clone(), driver_index, Some(90), None);
}
let parts: Vec<&str> = content.splitn(3, "---").collect();
if parts.len() >= 3 {
let frontmatter = parts[1].trim();
let markdown_content = parts[2].trim();
let result = format!("Frontmatter:\n{}\n\n---\n\nContent:\n{}", frontmatter, markdown_content);
if let Some(cb) = callback {
cb.on_log(task_id.clone(), driver_index, Some("Frontmatter extraction complete".to_string()));
cb.on_progress(task_id.clone(), driver_index, Some(100), None);
cb.on_complete(task_id.clone(), driver_index, Some("markdown_read".to_string()), Some(result.clone()));
}
info!("Markdown read completed with frontmatter extraction: {}", path);
return Ok(result);
}
}
if let Some(cb) = callback {
cb.on_log(task_id.clone(), driver_index, Some("Read operation complete".to_string()));
cb.on_progress(task_id.clone(), driver_index, Some(100), None);
cb.on_complete(task_id.clone(), driver_index, Some("markdown_read".to_string()), Some(content.clone()));
}
info!("Markdown read completed: {}", path);
return Ok(content);
}
fn validate(&self, parameters: &HashMap<String, Value>) -> DriverResult<()> {
parameters.get("path").and_then(|v| v.as_str()).ok_or_else(|| DriverError::missing_parameter("path"))?;
return Ok(());
}
}
#[derive(Debug)]
pub struct MarkdownWriteDriver;
#[async_trait::async_trait]
impl Driver for MarkdownWriteDriver {
fn name(&self) -> &str {
return "markdown_write";
}
fn description(&self) -> &str {
return "Write or generate Markdown content to a file";
}
fn usage_hint(&self) -> &str {
return "Use this skill when the user wants to create, save, or generate a Markdown document";
}
fn parameters(&self) -> Vec<DriverParameter> {
return vec![
DriverParameter {
name: "path".to_string(),
param_type: "string".to_string(),
description: "Path to save the Markdown file".to_string(),
required: true,
default: None,
example: Some(Value::String("output.md".to_string())),
enum_values: None,
},
DriverParameter {
name: "content".to_string(),
param_type: "string".to_string(),
description: "Markdown content to write".to_string(),
required: true,
default: None,
example: Some(Value::String("# Hello\n\nThis is **markdown**.".to_string())),
enum_values: None,
},
DriverParameter {
name: "append".to_string(),
param_type: "boolean".to_string(),
description: "Append to existing file instead of overwriting".to_string(),
required: false,
default: Some(Value::Bool(false)),
example: Some(Value::Bool(true)),
enum_values: None,
},
];
}
fn example_call(&self) -> DriverResult<Value> {
return Ok(json!({
"action": "markdown_write",
"parameters": {
"path": "output.md",
"content": "# Title\n\nContent here"
}
}));
}
fn example_output(&self) -> String {
return "Markdown written to: output.md".to_string();
}
fn category(&self) -> DriverCategory {
return DriverCategory::Document;
}
async fn execute(
&self,
parameters: &HashMap<String, Value>,
callback: Option<&dyn DriverCallback>,
context: Option<&DriverContext>,
) -> DriverResult<String> {
debug!("Executing markdown_write driver");
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);
if let Some(cb) = callback {
cb.on_start(task_id.clone(), driver_index, step_name.clone());
cb.on_log(task_id.clone(), driver_index, Some("Starting markdown write operation".to_string()));
cb.on_progress(task_id.clone(), driver_index, Some(10), None);
}
let path = parameters.get("path").and_then(|v| v.as_str()).ok_or_else(|| DriverError::missing_parameter("path"))?;
if let Some(cb) = callback {
cb.on_log(task_id.clone(), driver_index, Some(format!("Writing to file: {}", path)));
cb.on_progress(task_id.clone(), driver_index, Some(20), None);
}
let content = parameters.get("content").and_then(|v| v.as_str()).ok_or_else(|| DriverError::missing_parameter("content"))?;
if let Some(cb) = callback {
cb.on_log(task_id.clone(), driver_index, Some(format!("Content length: {} characters", content.len())));
cb.on_progress(task_id.clone(), driver_index, Some(30), None);
}
let append = parameters.get("append").and_then(|v| v.as_bool()).unwrap_or(false);
if let Some(cb) = callback {
cb.on_log(task_id.clone(), driver_index, Some(format!("Append mode: {}", append)));
cb.on_progress(task_id.clone(), driver_index, Some(40), None);
}
debug!("Validating file path: {}", path);
let validated_path = validate_path(path, None).map_err(|e| DriverError::execution(format!("Invalid path: {}", e)))?;
if let Some(cb) = callback {
cb.on_log(task_id.clone(), driver_index, Some(format!("Validated path: {}", validated_path.to_string_lossy())));
cb.on_progress(task_id.clone(), driver_index, Some(50), None);
}
if let Some(parent) = validated_path.parent() {
if let Some(cb) = callback {
cb.on_log(task_id.clone(), driver_index, Some(format!("Ensuring parent directory: {}", parent.to_string_lossy())));
cb.on_progress(task_id.clone(), driver_index, Some(60), None);
}
ensure_dir(&parent.to_string_lossy()).map_err(|e| DriverError::execution(format!("Failed to create directory: {}", e)))?;
}
if append {
if let Some(cb) = callback {
cb.on_log(task_id.clone(), driver_index, Some("Appending to existing file".to_string()));
cb.on_progress(task_id.clone(), driver_index, Some(70), None);
}
let existing = if file_exists(&validated_path.to_string_lossy()) {
read_file_content(&validated_path.to_string_lossy())
.map_err(|e| DriverError::execution(format!("Failed to read existing file: {}", e)))?
} else {
String::new()
};
if let Some(cb) = callback {
cb.on_log(task_id.clone(), driver_index, Some(format!("Existing content length: {} characters", existing.len())));
cb.on_progress(task_id.clone(), driver_index, Some(80), None);
}
let new_content = format!("{}\n\n{}", existing, content);
if let Some(cb) = callback {
cb.on_log(task_id.clone(), driver_index, Some("Writing appended content".to_string()));
cb.on_progress(task_id.clone(), driver_index, Some(90), None);
}
write_file_content(&validated_path.to_string_lossy(), &new_content, false)
.map_err(|e| DriverError::execution(format!("Failed to write file: {}", e)))?;
let result = format!("Content appended to Markdown file: {}", path);
if let Some(cb) = callback {
cb.on_log(task_id.clone(), driver_index, Some("Append operation complete".to_string()));
cb.on_progress(task_id.clone(), driver_index, Some(100), None);
cb.on_complete(task_id.clone(), driver_index, Some("markdown_write".to_string()), Some(result.clone()));
}
info!("Markdown append completed: {}", path);
return Ok(result);
} else {
if let Some(cb) = callback {
cb.on_log(task_id.clone(), driver_index, Some("Writing new file (overwriting if exists)".to_string()));
cb.on_progress(task_id.clone(), driver_index, Some(90), None);
}
write_file_content(&validated_path.to_string_lossy(), content, false)
.map_err(|e| DriverError::execution(format!("Failed to write file: {}", e)))?;
let result = format!("Markdown written to: {}", path);
if let Some(cb) = callback {
cb.on_log(task_id.clone(), driver_index, Some("Write operation complete".to_string()));
cb.on_progress(task_id.clone(), driver_index, Some(100), None);
cb.on_complete(task_id.clone(), driver_index, Some("markdown_write".to_string()), Some(result.clone()));
}
info!("Markdown write completed: {}", path);
return Ok(result);
}
}
fn validate(&self, parameters: &HashMap<String, Value>) -> DriverResult<()> {
parameters.get("path").and_then(|v| v.as_str()).ok_or_else(|| DriverError::missing_parameter("path"))?;
parameters.get("content").and_then(|v| v.as_str()).ok_or_else(|| DriverError::missing_parameter("content"))?;
return Ok(());
}
}