37 lines
1.1 KiB
Rust
37 lines
1.1 KiB
Rust
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use crate::app_config::AppConfig;
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use crate::devices::device::{Device, DeviceId};
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use std::collections::HashMap;
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pub struct DevicesList(HashMap<DeviceId, Device>);
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impl DevicesList {
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/// Load the list of devices. This method should be called only once during the whole execution
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/// of the program
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pub fn load() -> anyhow::Result<Self> {
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let mut list = Self(HashMap::new());
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for f in std::fs::read_dir(AppConfig::get().devices_config_path())? {
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let f = f?.file_name();
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let f = f.to_string_lossy();
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let dev_id = match f.strip_suffix(".conf") {
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Some(s) => DeviceId(s.to_string()),
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// This is not a device configuration file
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None => continue,
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};
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let device_conf = std::fs::read(AppConfig::get().device_config_path(&dev_id))?;
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list.0.insert(dev_id, serde_json::from_slice(&device_conf)?);
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}
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Ok(list)
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}
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/// Check if a device with a given id exists or not
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pub fn exists(&self, id: &DeviceId) -> bool {
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self.0.contains_key(id)
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}
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}
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