refactor: done

src-tauri/src/utils/help.rs

@@ -1,8 +1,52 @@
-use anyhow::Result;
+use anyhow::{anyhow, bail, Context, Result};
 use nanoid::nanoid;
-use std::path::PathBuf;
-use std::process::Command;
-use std::str::FromStr;
+use serde::{de::DeserializeOwned, Serialize};
+use serde_yaml::{Mapping, Value};
+use std::{fs, path::PathBuf, process::Command, str::FromStr};
+
+/// read data from yaml as struct T
+pub fn read_yaml<T: DeserializeOwned>(path: &PathBuf) -> Result<T> {
+    if !path.exists() {
+        bail!("file not found \"{}\"", path.display());
+    }
+
+    let yaml_str = fs::read_to_string(&path)
+        .context(format!("failed to read the file \"{}\"", path.display()))?;
+
+    serde_yaml::from_str::<T>(&yaml_str).context(format!(
+        "failed to read the file with yaml format \"{}\"",
+        path.display()
+    ))
+}
+
+/// read mapping from yaml fix #165
+pub fn read_merge_mapping(path: &PathBuf) -> Result<Mapping> {
+    let mut val: Value = read_yaml(path)?;
+    val.apply_merge()
+        .context(format!("failed to apply merge \"{}\"", path.display()))?;
+
+    Ok(val
+        .as_mapping()
+        .ok_or(anyhow!(
+            "failed to transform to yaml mapping \"{}\"",
+            path.display()
+        ))?
+        .to_owned())
+}
+
+/// save the data to the file
+/// can set `prefix` string to add some comments
+pub fn save_yaml<T: Serialize>(path: &PathBuf, data: &T, prefix: Option<&str>) -> Result<()> {
+    let data_str = serde_yaml::to_string(data)?;
+
+    let yaml_str = match prefix {
+        Some(prefix) => format!("{prefix}\n\n{data_str}"),
+        None => data_str,
+    };
+
+    let path_str = path.as_os_str().to_string_lossy().to_string();
+    fs::write(path, yaml_str.as_bytes()).context(format!("failed to save file \"{path_str}\""))
+}
 
 const ALPHABET: [char; 62] = [
     '0', '1', '2', '3', '4', '5', '6', '7', '8', '9', 'a', 'b', 'c', 'd', 'e', 'f', 'g', 'h', 'i',
@@ -68,16 +112,6 @@ macro_rules! error {
     };
 }
 
-#[deprecated]
-#[macro_export]
-macro_rules! log_if_err {
-    ($result: expr) => {
-        if let Err(err) = $result {
-            log::error!(target: "app", "{err}");
-        }
-    };
-}
-
 #[macro_export]
 macro_rules! log_err {
     ($result: expr) => {