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use crate::pool::PackageId;
use indexmap::IndexMap;
/// A requirement: package name + version constraint string.
#[derive(Debug, Clone)]
pub struct Require {
pub package_name: String,
pub constraint: Option<String>,
}
/// A request for the solver: what to install/fix/lock.
///
/// Port of Composer's Request.php.
#[derive(Debug, Clone)]
pub struct Request {
/// Root requirements: package name → constraint string.
pub requires: IndexMap<String, Option<String>>,
/// Fixed packages (must be installed, cannot be modified).
pub fixed_packages: Vec<PackageId>,
/// Locked packages (installed but can be removed if nothing requires them).
pub locked_packages: Vec<PackageId>,
}
impl Request {
pub fn new() -> Self {
Request {
requires: IndexMap::new(),
fixed_packages: Vec::new(),
locked_packages: Vec::new(),
}
}
/// Add a root requirement.
pub fn require_name(&mut self, package_name: &str, constraint: Option<&str>) {
self.requires.insert(
package_name.to_lowercase(),
constraint.map(|s| s.to_string()),
);
}
/// Mark a package as fixed (must remain installed).
pub fn fix_package(&mut self, package_id: PackageId) {
if !self.fixed_packages.contains(&package_id) {
self.fixed_packages.push(package_id);
}
}
/// Mark a package as locked.
pub fn lock_package(&mut self, package_id: PackageId) {
if !self.locked_packages.contains(&package_id) {
self.locked_packages.push(package_id);
}
}
/// Check if a package is fixed.
pub fn is_fixed(&self, package_id: PackageId) -> bool {
self.fixed_packages.contains(&package_id)
}
}
impl Default for Request {
fn default() -> Self {
Self::new()
}
}
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