feat(fix-cmd): add support to walk through file repository

src/commands/fix.rs

@@ -1,9 +1,9 @@
-use crate::commands::export::Export;
 use crate::fix::Fix;
 use crate::repo::Walk;
 use crate::utils::ResultExit;
 use log::error;
-use std::io::{Read, Write};
+use std::fs::File;
+use std::io::{stdin, stdout, Read};
 use structopt::StructOpt;
 
 #[derive(Debug, StructOpt)]
@@ -20,7 +20,7 @@ impl FixCommand {
     if crate::commands::input_pipe() {
       loop {
         let mut input = String::new();
-        match std::io::stdin().read_line(&mut input) {
+        match stdin().read_line(&mut input) {
           Ok(0) => break,
           Ok(_) => {
             input = input.trim().to_string();
@@ -30,12 +30,35 @@ impl FixCommand {
             let mut json_value =
               crate::parse_string_to_json(&input).expect_exit("Malformed json object");
             fix.fix(&mut json_value);
-            crate::json_to_writer(&json_value, &mut std::io::stdout()).exit_silently();
+            crate::json_to_writer(&json_value, &mut stdout()).exit_silently();
             println!();
           }
           Err(_) => break,
         }
       }
     }
+
+    for directory in &self.directories {
+      self.walk_directory(&fix, directory);
+    }
+  }
+
+  fn walk_directory(&self, fix: &Fix, directory: &String) -> Result<(), String> {
+    for entry in Walk::new(directory.to_string(), true, true) {
+      if let Ok(path) = entry {
+        let mut file =
+          File::open(path.path()).expect_exit(format!("Cannot open file {:?}", path).as_str());
+        let mut buffer = String::new();
+        file.read_to_string(&mut buffer).exit_silently();
+        let mut json = crate::parse_string_to_json(&buffer).exit_silently();
+        if fix.fix(&mut json)? {
+          let mut file = File::create(path.path())
+            .expect_exit(format!("Cannot create file {:?}", path).as_str());
+          crate::ser::json_to_writer(&json, &mut file)
+            .expect_exit(format!("Cannot write to file {:?}", path).as_str());
+        }
+      }
+    }
+    Ok(())
   }
 }