Started adding error handling, fixed directories not being created if they do not exist, added config file

src/args/mod.rs

@@ -0,0 +1,18 @@
+use clap::{Arg, Command, ArgAction, ArgMatches};
+
+
+pub fn parse_args() -> ArgMatches {
+
+    let matches = Command::new("dotfiles")
+        .version("0.1")
+        .author("Ethan Simmons")
+        .about("Manages dotfiles")
+        .arg(Arg::new("from-git")
+            .short('f')
+            .long("from-git")
+            .action(ArgAction::SetTrue)
+        )
+        .get_matches();
+
+    matches
+}

src/config_file/mod.rs

@@ -0,0 +1,47 @@
+use std::path::PathBuf;
+use std::error::Error;
+use std::env;
+use std::fs;
+
+use crate::copy_directory;
+
+pub struct ConfigFile {
+    pub manager_path: PathBuf,
+    pub system_path: PathBuf,
+    is_dir: bool,
+}
+
+
+impl ConfigFile {
+    pub fn new(rel_git_location: PathBuf, sys_location: PathBuf) -> Result<Self, Box<dyn Error>> {
+
+        let home_dir = PathBuf::from(env::var("HOME").expect("$HOME not set"));
+        let manager_dir = home_dir.join(".dotfiles/");
+        
+        let manager_path = manager_dir.join(rel_git_location);
+        let system_path  = sys_location;
+
+        let is_dir = fs::metadata(&manager_path)?.is_dir(); 
+
+        Ok(Self { manager_path, system_path, is_dir })
+    }
+
+    pub fn copy_config(&self, to_sys: bool) -> Result<(), Box<dyn Error>> {
+
+        let (curr, dest) = if to_sys {
+            (&self.manager_path, &self.system_path)
+        } else {
+            (&self.system_path, &self.manager_path)
+        };
+
+        if !self.is_dir {
+            println!("Copying file");
+            fs::copy(curr, dest)?;
+            Ok(())
+        } else {
+            println!("Starting Copy Dir");
+            copy_directory(curr, dest)?;
+            Ok(())
+        }
+    }
+}

src/lib.rs

@@ -1,74 +1,17 @@
 use std::fs;
-use std::path::PathBuf;
-use std::env;
+use std::path::{self, PathBuf};
 use std::error::Error;
-use clap::{Arg, Command, ArgAction, ArgMatches};
+use clap::ArgMatches;
 
-pub struct Config {
-    git_location: PathBuf,
-    sys_location: PathBuf,
-    is_dir: bool,
-}
-
-impl Config {
-    pub fn new(rel_git_location: &str, sys_location: &str) -> Result<Self, Box<dyn Error>> {
-
-        let home_dir = PathBuf::from(env::var("HOME").expect("$HOME not set"));
-        let manager_dir = home_dir.join(".dotfiles/");
-        
-        let git_location = manager_dir.join(rel_git_location);
-        let sys_location  = PathBuf::from(sys_location);
-
-        let is_dir = fs::metadata(&git_location)?.is_dir(); 
-
-        Ok(Self { git_location, sys_location, is_dir })
-    }
-
-}
-
-
-pub fn parse_args() -> ArgMatches {
-
-    let matches = Command::new("dotfiles")
-        .version("0.1")
-        .author("Ethan Simmons")
-        .about("Manages dotfiles")
-        .arg(Arg::new("from-git")
-            .short('g')
-            .long("from-git")
-            .action(ArgAction::SetTrue)
-        )
-        .get_matches();
-
-    matches
-}
-
-
- fn copy_config(config: &Config, to_sys: bool) -> Result<(), Box<dyn Error>> {
-    if !config.is_dir {
-        if to_sys {
-            let _ = fs::copy(&config.git_location, &config.sys_location)?; 
-            Ok(())
-        } else {
-            let _ = fs::copy(&config.sys_location, &config.git_location)?;
-            Ok(())
-        }
-    } else {
-        let (dir, dest) = if to_sys {
-            (&config.git_location, &config.sys_location)
-        } else {
-            (&config.sys_location, &config.git_location)
-        };
-
-        println!("Starting Copy Dir");
-        copy_directory(&dir, &dest)
-    }
-}
+pub mod config_file;
+pub mod program_config;
+pub mod args;
 
+use program_config::ProgramConfig;
 
 fn copy_directory(dir_path: &PathBuf, dest_path: &PathBuf) -> Result<(), Box<dyn Error>> {
 
-    let dir = fs::read_dir(&dir_path).unwrap();
+    let dir = fs::read_dir(&dir_path)?;
 
     let entries: Vec<_> = dir.map(|entry| entry.unwrap()).collect();
 
@@ -86,8 +29,14 @@ fn copy_directory(dir_path: &PathBuf, dest_path: &PathBuf) -> Result<(), Box<dyn
 
     dirs.for_each(|dir| {
         let current_dir_path = dir_path.join(dir.file_name());
+
         let dest_path = dest_path.join(dir.file_name());
 
+        if !(path::Path::try_exists(&dest_path).unwrap()) {
+            let _ = fs::create_dir(&dest_path);
+        }
+
+
         println!("Copying dir");
         let _ = copy_directory(&current_dir_path, &dest_path);
 
@@ -98,32 +47,27 @@ fn copy_directory(dir_path: &PathBuf, dest_path: &PathBuf) -> Result<(), Box<dyn
 }
 
 
-pub fn run(args: ArgMatches) -> Result<(), Box<dyn Error>>{
 
-   let configs = vec![
-        Config::new("desktop/sway/config", "/home/eesim/.config/sway/config")?,
-        Config::new("desktop/nvim/init.lua", "/home/eesim/.config/nvim/init.lua")?,
-        Config::new("desktop/nvim/lua/config", "/home/eesim/.config/nvim/lua/config")?,
-        Config::new("desktop/alacritty/alacritty.toml", "/home/eesim/.config/alacritty/alacritty.toml")?,
-        Config::new("desktop/rofi/config.rasi", "/home/eesim/.config/rofi/config.rasi")?,
-    ];
+
+
+pub fn run(args: ArgMatches, program_config: ProgramConfig) -> Result<(), Box<dyn Error>> {
+
+    let configs = program_config.configs;
 
     let copy_to_sys = args.get_flag("from-git");
 
-    let copy_results = configs.iter().map(|config| (copy_config(&config, copy_to_sys), config));
+    let copy_results = configs.iter().map(|config| (config.copy_config(copy_to_sys), config));
 
     copy_results.for_each(|result| {
         if let Err(e) = result.0 {
             let failed_config = result.1;
 
             if copy_to_sys {
-                println!("Faled to copy {}, with error: {}", failed_config.git_location.to_str().unwrap(), e);
+                println!("Faled to copy {}, with error: {}", failed_config.manager_path.to_str().expect("Error printing error"), e);
             }
         }
     });
 
-
     Ok(())
-
 }
 

src/main.rs

@@ -1,10 +1,17 @@
-use dotfiles_manager;
+use std::path::PathBuf;
+
+use dotfiles_manager::args;
+use dotfiles_manager::program_config::ProgramConfig;
 
 
 fn main() {
-    let args = dotfiles_manager::parse_args();
+    let args = args::parse_args();
 
-    let _ = dotfiles_manager::run(args);
+    let program_config = ProgramConfig::parse(PathBuf::from("/home/eesim/.config/dotfiles/config"));
+
+    if let Err(e) = dotfiles_manager::run(args, program_config.unwrap()) {
+        panic!("Error: {}", e)
+    };
 
 
 }

src/program_config/mod.rs

@@ -0,0 +1,57 @@
+use std::fs;
+use std::str;
+use std::path::PathBuf;
+use std::error::Error;
+use toml::Table;
+
+use crate::config_file::ConfigFile;
+
+
+pub struct ProgramConfig {
+    pub manager_dir: PathBuf,
+    pub configs: Vec<ConfigFile>,
+}
+
+
+impl ProgramConfig {
+    pub fn parse(config: PathBuf) -> Result<Self, Box<dyn Error>> {
+
+        let config_file: Table = str::from_utf8(&fs::read(config)?)?.parse()?;
+
+        let configs = {
+            let read_configs = config_file.get("configs").unwrap();
+
+            let configs = read_configs.as_array().unwrap().iter();
+
+            configs.map(|config| {
+
+                    let table = config.as_table().unwrap();
+                    let manager_path = PathBuf::from(table.get("manager_path").unwrap().as_str().unwrap());
+                    let system_path = PathBuf::from(table.get("system_path").unwrap().as_str().unwrap());
+
+                    println!("Manager Path: {}", table.get("manager_path").unwrap().as_str().unwrap());
+                    println!("System Path: {}", table.get("system_path").unwrap().as_str().unwrap());
+
+                    Some(ConfigFile::new(manager_path, system_path).unwrap())
+            })
+
+
+        };
+
+        let valid_configs: Vec<ConfigFile> = configs.filter_map(|config| match config {
+            Some(config) => Some(config),
+            None => {
+                println!("Failed to parse config");
+                None
+            },
+        }).collect();
+
+        let manager_dir = if config_file.contains_key("manager_directory") {
+            PathBuf::from(config_file.get("manager_directory").unwrap().as_str().unwrap())
+        } else {
+            PathBuf::from("$HOME/.dotfiles")
+        };
+
+        Ok(ProgramConfig{manager_dir, configs: valid_configs})
+    }
+}