Update manifest handling and integrate with command_init

Introduced a new 'manifest' module to manage manifest files and updated 'command_init' to utilize this module, replacing previously hard-coded functionalities. Added 'manifest' package dependencies to Cargo.lock and command_init's Cargo.toml files.

Cargo.lock

@@ -113,6 +113,12 @@ dependencies = [
  "manifest",
 ]
 
+[[package]]
+name = "equivalent"
+version = "1.0.1"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "5443807d6dff69373d433ab9ef5378ad8df50ca6298caf15de6e52e24aaf54d5"
+
 [[package]]
 name = "errno"
 version = "0.3.8"
@@ -123,12 +129,34 @@ dependencies = [
  "windows-sys 0.52.0",
 ]
 
+[[package]]
+name = "hashbrown"
+version = "0.14.3"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "290f1a1d9242c78d09ce40a5e87e7554ee637af1351968159f4952f028f75604"
+
 [[package]]
 name = "heck"
 version = "0.4.1"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "95505c38b4572b2d910cecb0281560f54b440a19336cbbcb27bf6ce6adc6f5a8"
 
+[[package]]
+name = "indexmap"
+version = "2.1.0"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "d530e1a18b1cb4c484e6e34556a0d948706958449fca0cab753d649f2bce3d1f"
+dependencies = [
+ "equivalent",
+ "hashbrown",
+]
+
+[[package]]
+name = "itoa"
+version = "1.0.10"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "b1a46d1a171d865aa5f83f92695765caa047a9b4cbae2cbf37dbd613a793fd4c"
+
 [[package]]
 name = "libc"
 version = "0.2.151"
@@ -144,6 +172,10 @@ checksum = "c4cd1a83af159aa67994778be9070f0ae1bd732942279cabb14f86f986a21456"
 [[package]]
 name = "manifest"
 version = "0.1.0"
+dependencies = [
+ "serde",
+ "serde_yaml",
+]
 
 [[package]]
 name = "mccli"
@@ -184,6 +216,45 @@ dependencies = [
  "windows-sys 0.52.0",
 ]
 
+[[package]]
+name = "ryu"
+version = "1.0.16"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "f98d2aa92eebf49b69786be48e4477826b256916e84a57ff2a4f21923b48eb4c"
+
+[[package]]
+name = "serde"
+version = "1.0.194"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "0b114498256798c94a0689e1a15fec6005dee8ac1f41de56404b67afc2a4b773"
+dependencies = [
+ "serde_derive",
+]
+
+[[package]]
+name = "serde_derive"
+version = "1.0.194"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "a3385e45322e8f9931410f01b3031ec534c3947d0e94c18049af4d9f9907d4e0"
+dependencies = [
+ "proc-macro2",
+ "quote",
+ "syn",
+]
+
+[[package]]
+name = "serde_yaml"
+version = "0.9.30"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "b1bf28c79a99f70ee1f1d83d10c875d2e70618417fda01ad1785e027579d9d38"
+dependencies = [
+ "indexmap",
+ "itoa",
+ "ryu",
+ "serde",
+ "unsafe-libyaml",
+]
+
 [[package]]
 name = "strsim"
 version = "0.10.0"
@@ -232,6 +303,12 @@ version = "0.1.11"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "e51733f11c9c4f72aa0c160008246859e340b00807569a0da0e7a1079b27ba85"
 
+[[package]]
+name = "unsafe-libyaml"
+version = "0.2.10"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "ab4c90930b95a82d00dc9e9ac071b4991924390d46cbd0dfe566148667605e4b"
+
 [[package]]
 name = "utf8parse"
 version = "0.2.1"

command_init/src/lib.rs

@@ -11,6 +11,10 @@ pub struct Arguments {
 pub fn execute (_arguments: &Arguments) {
     let directory: PathBuf = PathBuf::from(_arguments.directory.clone());
 
-    let manifest = Manifest::new(&directory);
+    let manifest = Manifest::from(&directory);
-    manifest.init();
+
+    match manifest.init() {
+        true => println!("Project initialized"),
+        false => println!("Project already initialized")
+    }
 }

manifest/Cargo.toml

@@ -6,3 +6,5 @@ edition = "2021"
 # See more keys and their definitions at https://doc.rust-lang.org/cargo/reference/manifest.html
 
 [dependencies]
+serde = {version = "1.0", features = ["derive"]}
+serde_yaml = "0.9"

manifest/src/lib.rs

@@ -1,13 +1,17 @@
+use std::error::Error;
 use std::fs;
 use std::path::{PathBuf};
+use crate::manifest_file::ManifestFile;
+
+mod manifest_file;
 
 #[derive(Debug)]
 pub struct Manifest {
-    directory: PathBuf
+    directory: PathBuf,
 }
 
 impl Manifest {
-    pub fn new(path: &PathBuf) -> Manifest {
+    pub fn from(path: &PathBuf) -> Manifest {
         let mut directory: PathBuf = path.into();
 
         if path.is_file() {
@@ -23,11 +27,36 @@ impl Manifest {
         Manifest { directory: directory.canonicalize().unwrap() }
     }
 
-   pub fn init(&self) -> bool {
+    pub fn init(&self) -> bool {
-        let directory: PathBuf = self.directory.clone();
+        let file: PathBuf = self.file_path();
 
-        println!("init: {:?}", directory);
+        if !file.exists() {
+            let manifest_file: ManifestFile = ManifestFile::from(self.directory_name());
 
-        true
+            return match manifest_file.write(&file) {
+                Ok(_) => true,
+                Err(_) => panic!("Unable to write to file: {:?}", &file)
+            }
+        }
+
+        false
+    }
+
+    pub fn file_path(&self) -> PathBuf  {
+        return PathBuf::from(format!("{}/{}", self.directory.to_string_lossy(), "mccli.yaml"));
+    }
+
+    pub fn directory_path(&self) -> PathBuf {
+        return PathBuf::from(&self.directory);
+    }
+
+    pub fn directory_name(&self) -> String {
+        let directory = self.directory_path();
+
+        return directory
+            .file_name()
+            .unwrap()
+            .to_string_lossy()
+            .to_string();
     }
 }

manifest/src/manifest_file.rs

@@ -0,0 +1,37 @@
+use std::error::Error;
+use std::fs;
+use std::fs::File;
+use serde::{Serialize, Deserialize};
+use std::path::PathBuf;
+use serde::de::DeserializeOwned;
+
+#[derive(Serialize, Deserialize, Debug, Default)]
+pub struct ManifestFile {
+    name: String,
+}
+
+impl ManifestFile {
+    pub fn from(name: String) -> ManifestFile {
+        return ManifestFile { name }
+    }
+
+    pub fn read<Content: DeserializeOwned>(path: &PathBuf) -> Result<Content, Box<dyn Error>> {
+        let file = File::open(path)?;
+
+        let data: Content = serde_yaml::from_reader(file)?;
+
+        Ok(data)
+    }
+
+    pub fn write(&self, path: &PathBuf) -> Result<bool, Box<dyn Error>> {
+        if path.exists() {
+            fs::remove_file(path)?;
+        }
+
+        let file = File::create(path)?;
+
+        serde_yaml::to_writer(file, self)?;
+
+        Ok(true)
+    }
+}