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use serde::{Deserialize, Serialize};
use std::collections::HashMap;
use std::fmt;
use camino::Utf8PathBuf;
#[derive(Debug, Clone, PartialEq, Eq, Serialize, Deserialize)]
pub struct Dependency {
pub name: String,
pub version: String,
pub licenses: Vec<String>,
pub location: Utf8PathBuf,
pub source: Option<String>,
pub metadata: HashMap<String, String>,
}
impl Dependency {
pub fn new(name: String, version: String) -> Self {
Self {
name,
version,
licenses: Vec::new(),
location: Utf8PathBuf::new(),
source: None,
metadata: HashMap::new(),
}
}
pub fn with_location(mut self, location: Utf8PathBuf) -> Self {
self.location = location;
self
}
pub fn with_source(mut self, source: String) -> Self {
self.source = Some(source);
self
}
pub fn with_license(mut self, license: String) -> Self {
self.licenses.push(license);
self
}
pub fn with_licenses(mut self, licenses: Vec<String>) -> Self {
self.licenses = licenses;
self
}
pub fn add_metadata(mut self, key: String, value: String) -> Self {
self.metadata.insert(key, value);
self
}
pub fn id(&self) -> String {
format!("{}:{}", self.name, self.version)
}
pub fn has_licenses(&self) -> bool {
!self.licenses.is_empty()
}
pub fn license_display(&self) -> String {
if self.licenses.is_empty() {
"".to_string()
} else {
self.licenses.join(" AND ")
}
}
}
impl fmt::Display for Dependency {
fn fmt(&self, f: &mut fmt::Formatter<'_>) -> fmt::Result {
write!(f, "{} ({})", self.name, self.version)
}
}
#[derive(Debug, Clone, PartialEq, Eq)]
pub struct DependencyCollection {
dependencies: Vec<Dependency>,
}
impl DependencyCollection {
pub fn new() -> Self {
Self {
dependencies: Vec::new(),
}
}
pub fn add(&mut self, dependency: Dependency) {
self.dependencies.push(dependency);
}
pub fn extend(&mut self, other: DependencyCollection) {
self.dependencies.extend(other.dependencies);
}
pub fn iter(&self) -> impl Iterator<Item = &Dependency> {
self.dependencies.iter()
}
pub fn into_iter(self) -> impl Iterator<Item = Dependency> {
self.dependencies.into_iter()
}
pub fn len(&self) -> usize {
self.dependencies.len()
}
pub fn is_empty(&self) -> bool {
self.dependencies.is_empty()
}
pub fn sort_by_name(&mut self) {
self.dependencies.sort_by(|a, b| a.name.cmp(&b.name));
}
pub fn filter_by_location(&self, location: &Utf8PathBuf) -> DependencyCollection {
let filtered: Vec<Dependency> = self
.dependencies
.iter()
.filter(|dep| dep.location == *location)
.cloned()
.collect();
DependencyCollection {
dependencies: filtered,
}
}
pub fn unique_licenses(&self) -> Vec<String> {
let mut licenses = std::collections::HashSet::new();
for dep in &self.dependencies {
for license in &dep.licenses {
licenses.insert(license.clone());
}
}
let mut unique_licenses: Vec<String> = licenses.into_iter().collect();
unique_licenses.sort();
unique_licenses
}
}
impl Default for DependencyCollection {
fn default() -> Self {
Self::new()
}
}
impl From<Vec<Dependency>> for DependencyCollection {
fn from(dependencies: Vec<Dependency>) -> Self {
Self { dependencies }
}
}
impl IntoIterator for DependencyCollection {
type Item = Dependency;
type IntoIter = std::vec::IntoIter<Self::Item>;
fn into_iter(self) -> Self::IntoIter {
self.dependencies.into_iter()
}
}
#[cfg(test)]
mod tests {
use super::*;
#[test]
fn test_dependency_creation() {
let dep = Dependency::new("test".to_string(), "1.0.0".to_string());
assert_eq!(dep.name, "test");
assert_eq!(dep.version, "1.0.0");
assert!(dep.licenses.is_empty());
}
#[test]
fn test_dependency_builder() {
let dep = Dependency::new("test".to_string(), "1.0.0".to_string())
.with_license("MIT".to_string())
.with_source("rubygems".to_string());
assert_eq!(dep.licenses, vec!["MIT"]);
assert_eq!(dep.source, Some("rubygems".to_string()));
}
#[test]
fn test_dependency_id() {
let dep = Dependency::new("test".to_string(), "1.0.0".to_string());
assert_eq!(dep.id(), "test:1.0.0");
}
#[test]
fn test_dependency_collection() {
let mut collection = DependencyCollection::new();
let dep = Dependency::new("test".to_string(), "1.0.0".to_string());
collection.add(dep);
assert_eq!(collection.len(), 1);
assert!(!collection.is_empty());
}
}
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