feat(markdown) add from_str

backend/markdown/src/lib.rs

@@ -1,20 +1,20 @@
 mod error;
 mod utils;
 
-use std::fs;
-use std::path::Path;
+use std::{fs, path::Path, str::FromStr};
 
-use crate::error::Error;
-use crate::utils::front_matter::{parse_front_matter, split_md_front_matter};
+use crate::{
+    error::Error,
+    utils::front_matter::{parse_front_matter, split_md_front_matter},
+};
 
-use base64::{engine::general_purpose, Engine};
+use base64::{Engine, engine::general_purpose};
 use serde::Serialize;
 use serde_json::Value;
 use sha2::{Digest, Sha256};
 
 #[derive(Default, Debug, Serialize)]
 pub struct MdFile {
-    pub filename: String,
     pub meta: Value,
     pub content: String,
     pub hash: String,
@@ -26,22 +26,22 @@ impl MdFile {
             Ok(file) => file,
             Err(e) => return Err(Error::FSError { msg: e.to_string() }),
         };
-        let raw_file_bytes = raw_file.as_bytes().to_vec();
-        let (front_matter_str, content) = split_md_front_matter(raw_file);
+        Self::from_str(&raw_file)
+    }
+}
+
+impl FromStr for MdFile {
+    type Err = Error;
+
+    fn from_str(s: &str) -> Result<Self, Self::Err> {
+        let bytes = s.as_bytes().to_vec();
+        let (front_matter_str, content) = split_md_front_matter(s);
         let front_matter = match parse_front_matter(&front_matter_str) {
             Ok(front_matter) => front_matter,
             Err(e) => return Err(Error::InvalidFrontMatter { msg: e.to_string() }),
         };
-        let hash = calculate_hash_base64(&raw_file_bytes);
-        let file_name = Path::new(file_path)
-            .file_name()
-            .unwrap()
-            .to_str()
-            .unwrap()
-            .to_string();
-
+        let hash = calculate_hash_base64(&bytes);
         Ok(MdFile {
-            filename: file_name,
             meta: front_matter,
             content,
             hash,