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|
use std::{
ffi::OsStr,
fs::{create_dir_all, File, read_dir},
io::{Read, Write},
path::Path,
};
use ipnetwork::IpNetwork;
use mac_address::MacAddress;
use serde::{Deserialize, Serialize};
use serde_json::json;
use tracing::{debug, trace, warn};
use utoipa::ToSchema;
use crate::error::Error;
#[derive(Serialize, Deserialize, Clone, Debug)]
pub struct Device {
pub id: String,
pub mac: MacAddress,
pub broadcast_addr: String,
pub ip: Option<IpNetwork>,
pub times: Option<Vec<u64>>,
}
impl Device {
const STORAGE_PATH: &'static str = "devices";
pub fn setup() -> Result<String, Error> {
trace!("check for storage STORAGE_PATH=\"{}\"", Self::STORAGE_PATH);
let sp = Path::new(Self::STORAGE_PATH);
if !sp.exists() {
let current_dir = std::env::current_dir()?;
warn!(?current_dir, "device storage path doesn't exist, creating it");
create_dir_all(Self::STORAGE_PATH)?;
};
debug!("device storage STORAGE_PATH=\"{}\"", Self::STORAGE_PATH);
Ok(Self::STORAGE_PATH.to_string())
}
pub fn read(id: &str) -> Result<Self, Error> {
trace!(?id, "attempt to read file");
let mut file = File::open(format!("{}/{id}.json", Self::STORAGE_PATH))?;
let mut buf = String::new();
file.read_to_string(&mut buf)?;
trace!(?id, ?buf, "read successfully from file");
let dev = serde_json::from_str(&buf)?;
Ok(dev)
}
pub fn read_all() -> Result<Vec<Self>, Error> {
trace!("attempt to read all files");
let st_path = read_dir(Self::STORAGE_PATH)?;
let mut devices = vec![];
for file_path in st_path {
let file_path = file_path?;
if file_path.path().extension() != Some(OsStr::new("json")) { continue; };
let mut file = File::open(file_path.path())?;
let mut buf = String::new();
file.read_to_string(&mut buf)?;
trace!(?file, ?buf, "read successfully from file");
devices.push(serde_json::from_str(&buf)?);
}
Ok(devices)
}
pub fn write(&self) -> Result<(), Error> {
trace!(?self.id, ?self, "attempt to write to file");
let mut file = File::create(format!("{}/{}.json", Self::STORAGE_PATH, self.id))?;
file.write_all(json!(self).to_string().as_bytes())?;
trace!(?self.id, "wrote successfully to file");
Ok(())
}
}
// Dead Code allowed because of use in OpenApi Macro (not really dead code)
#[allow(dead_code)]
#[derive(ToSchema)]
#[schema(as = Device)]
pub struct DeviceSchema {
pub id: String,
pub mac: String,
pub broadcast_addr: String,
pub ip: String,
pub times: Option<Vec<i64>>,
}
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