refactor: re-implment ls

Author: metcoder95

crates/cli/src/commands/list.rs

@@ -0,0 +1,107 @@
+use std::path::{ MAIN_SEPARATOR, PathBuf };
+
+use clap::Parser;
+use serde_json::{json, Map, Value};
+
+use pacquet_package_json::{DependencyGroup, PackageJson};
+
+use crate::package_manager::{PackageManager, PackageManagerError};
+
+#[derive(Parser, Debug)]
+pub struct ListArgs {
+    /// Perform the command on every package subdirectories
+    /// or on every workspace
+    #[arg(long = "recursive", short = 'r')]
+    pub recursive: bool,
+    /// Log the output as JSON
+    #[arg(long = "json")]
+    pub json: bool,
+    /// Show the extended information
+    #[arg(long = "long")]
+    pub long: bool,
+    /// Outputs the package directories into a parseable format
+    #[arg(long = "parseable")]
+    pub parseable: bool,
+    /// List the package in the global install directory instead of the
+    /// current project
+    #[arg(long = "global", short = 'g')]
+    pub global: bool,
+    /// Max display depth of the dependency tree
+    #[arg(long = "depth")]
+    pub depth: u32,
+    /// Display only dependencies within dependencies or optionalDependencies
+    #[arg(long = "prod", short = 'p')]
+    pub prod: bool,
+    /// Display only dependencies within devDependencies
+    #[arg(long = "dev", short = 'd')]
+    pub dev: bool,
+    /// Omit packages from optionalDependencies
+    #[arg(long = "no-optional")]
+    pub no_opts: bool,
+    /// Display only depndencies that are also projects within the workspace
+    #[arg(long = "only-projects")]
+    pub projects_only: bool,
+    /// Display the dependencies from a given subset of dependencies
+    #[arg(long = "filter", short = 'f')]
+    pub filter: String,
+}
+
+impl ListArgs {
+    pub fn get_scope(&self) -> DependencyGroup {
+        if self.dev {
+            DependencyGroup::Dev
+        } else {
+            DependencyGroup::Default
+        }
+    }
+
+    pub fn get_depth(&self) -> u32 {
+        let mut depth: u32 = 1;
+        self.depth.clone_into(&mut depth);
+
+        depth
+    }
+}
+
+impl PackageManager {
+    pub fn list(
+        &self,
+        package_json: &PackageJson,
+        dependency_group: DependencyGroup,
+        node_modules_path: &PathBuf,
+        depth: u32,
+    ) -> Result<String, PackageManagerError> {
+        let mut scope: String = String::new();
+        match dependency_group {
+            DependencyGroup::Default => {
+                let dependencies = package_json.get_dependencies(vec![DependencyGroup::Default]);
+                
+                for (name, version) in &dependencies {
+                    scope = format!("{} - {}\n", name, version);
+
+                    if depth > 1 {
+                        let path = format!("{}{}{}", &name, MAIN_SEPARATOR, "package.json");
+                        let pjson = PackageJson::from_path(&node_modules_path.join(path))?;
+                        let n_dependencies = self.list(&pjson, DependencyGroup::Default, node_modules_path, depth - 1)?;
+                        // TODO: fix format
+                        scope = format!("\n\t{}", n_dependencies)
+                    }
+                }
+            }
+            DependencyGroup::Dev => scope = "dependencies".to_string(),
+            _ => scope = "all".to_string(),
+        }
+
+        // let binding = Value::default();
+        // let mut dependencies = self.value.get(scope).unwrap_or(&binding).as_object().into_iter();
+
+        // let mut dep = dependencies.next();
+        // while !dep.is_none() {
+        //     println!("{:?}", dep);
+        //     dep = dependencies.next();
+        // }
+
+        println!("{}", scope);
+        Ok(scope.clone())
+    }
+}