refactor: changed how packages work

manifest/src/build.rs

@@ -4,7 +4,7 @@ use serde::{Deserialize, Serialize};
 
 #[derive(Debug, Clone, Serialize, Deserialize)]
 pub struct Build {
-    build_script: String,
-    install_script: String,
-    dependencies: HashMap<String, String>,
+    pub build_script: String,
+    pub install_script: String,
+    pub dependencies: HashMap<String, String>,
 }

pkgfile/src/lib.rs

@@ -1,4 +1,4 @@
-#[derive(Debug)]
+#[derive(Debug, Clone)]
 pub struct PKGFile {
     pub manifest: String,
     pub data: Vec<u8>,

pkgr/src/commands.rs

@@ -4,7 +4,7 @@ use clap::{Parser, Subcommand};
 use log::{debug, error, info, trace, warn};
 use manifest::Manifest;
 use crate::package::installer::{InstallType, PackageInstaller};
-use crate::package::fetch::fetch_package;
+use crate::package::Package;
 
 #[derive(Parser, Debug)]
 #[clap(name = "pkgr", version)]
@@ -58,31 +58,35 @@ impl Command {
 
                 info!("Parsing package...");
                 trace!("Fetching package: {}", package_identifier);
-                let pkgfile = fetch_package(package_identifier.clone()).unwrap();
-                debug!("size: manifest({}kb) data({}kb)", pkgfile.manifest.len() / 1024, pkgfile.data.len() / 1024);
-                trace!("parsing manifest");
-                let manifest = Manifest::try_from(pkgfile.manifest.clone()).unwrap();
-                debug!("manifest pkg name: {}", manifest.package.name);
-                trace!("creating installer");
-                let installer = PackageInstaller::new(manifest.clone(), pkgfile, if *build { InstallType::Build } else { InstallType::Bin });
-                info!("Installing: {}...", &manifest.package.name);
+                let mut pkg = Package::fetch(package_identifier.clone()).unwrap();
+                debug!("manifest size: {}kb", pkg.pkgfile.manifest.len() / 1024);
+                debug!("files size: {}kb", pkg.pkgfile.data.len() / 1024);
 
-                trace!("starting install");
-                match installer.install() {
-                    Ok(_) => {
-                        info!("Sucessfully installed: {}", &manifest.package.name);
-                        ()
-                    },
+                trace!("Checking if package is installed...");
+                if pkg.is_installed() {
+                    error!("Package is already installed.");
+                    exit(1);
+                }
+
+                trace!("Starting install...");
+                match pkg.install() {
+                    Ok(_) => (),
                     Err(e) => {
-                        error!("{}", e.to_string());
+                        error!("Install failed: {}", e.to_string());
                         exit(1);
                     }
                 }
-                let unix_end = std::time::SystemTime::now().duration_since(std::time::UNIX_EPOCH).unwrap();
+
                 let end = std::time::Instant::now();
-                // float ms
-                let duration = (end - start).as_nanos() as f64;
-                info!("Install took: {}ms", (duration / 1_000_000.0));
+                let unix_end = std::time::SystemTime::now()
+                    .duration_since(std::time::UNIX_EPOCH)
+                    .unwrap();
+
+                let duration = end.duration_since(start);
+
+                info!("Install complete.");
+                info!("Install took {}ms.", duration.as_nanos() as f64 / 1000000.0);
+
             }
             Command::Remove { package_identifier, index } => {
                 if let PackageIdentifier::URI(_) = package_identifier {

pkgr/src/package/fetch.rs

@@ -1,11 +1,9 @@
 use std::error::Error;
 use std::fmt::Display;
-use std::fs::File;
 use std::io::Read;
-use log::warn;
 use pkgfile::PKGFile;
-use crate::package::identifier::PackageIdentifier;
 use reqwest::blocking::get;
+use crate::package::identifier::PackageLocator;
 
 #[derive(Debug)]
 pub enum FetchError {
@@ -26,18 +24,17 @@ impl Display for FetchError {
 
 impl Error for FetchError {}
 
-pub fn fetch_package(package_identifier: PackageIdentifier) -> Result<PKGFile, FetchError> {
-    match package_identifier {
-        PackageIdentifier::Path(path) => {
-            std::fs::read(path)
+pub fn fetch_by_path<S: Into<String>>(path: S) -> Result<PKGFile, FetchError> {
+    std::fs::read(path.into())
         .map_err(|e| FetchError::IOError(e)).and_then(|bytes| {
         PKGFile::try_from(bytes).map_err(|_| FetchError::ParseError)
     })
 }
-        PackageIdentifier::URI(uri) => {
+
+pub fn fetch_by_uri<S: Into<String>>(uri: S) -> Result<PKGFile, FetchError> {
     // get file contents as bytes
     let mut bytes = Vec::new();
-            match get(&uri) {
+    match get(uri.into()) {
         Ok(mut response) => {
             match response.take(1024 * 1024).read_to_end(&mut bytes) {
                 Ok(_) => (),
@@ -52,8 +49,8 @@ pub fn fetch_package(package_identifier: PackageIdentifier) -> Result<PKGFile, F
         Err(e) => Err(FetchError::ParseError),
     }
 }
-        PackageIdentifier::PackageLocator(package_locator) => {
+
+pub fn fetch_by_package_locator(package_locator: PackageLocator) -> Result<PKGFile, FetchError> {
+    // TODO: search index for package locator
     Ok(PKGFile::default())
 }
-    }
-}

pkgr/src/package/installer/errors.rs

@@ -14,7 +14,9 @@ impl Display for BinError {
 }
 
 #[derive(Debug)]
-pub enum BuildError {}
+pub enum BuildError {
+    InvalidManifest
+}
 
 impl Display for BuildError {
     fn fmt(&self, f: &mut std::fmt::Formatter<'_>) -> std::fmt::Result {
@@ -28,7 +30,7 @@ impl Display for BuildError {
 pub enum InstallError {
     BuildError(BuildError),
     BinError(BinError),
-    InstallError
+    Generic
 }
 
 impl ToString for InstallError {
@@ -36,7 +38,7 @@ impl ToString for InstallError {
         match self {
             InstallError::BuildError(e) => format!("Build error: {}", e),
             InstallError::BinError(e) => format!("Bin error: {}", e),
-            InstallError::InstallError => "Install error".to_string(),
+            InstallError::Generic => "Install error".to_string(),
         }
     }
 }

pkgr/src/package/installer/mod.rs

@@ -54,6 +54,13 @@ impl PackageInstaller {
     }
 
     fn build(&self) -> Result<(), BuildError> {
+        if let None = self.manifest.build.clone() {
+            return Err(BuildError::InvalidManifest);
+        }
+        let build_manifest = self.manifest.build.clone().unwrap();
+        // TODO: Check dependencies
+
+
         Ok(())
     }
 

pkgr/src/package/mod.rs

@@ -1,3 +1,68 @@
+use log::trace;
+
 pub mod identifier;
 pub mod installer;
 pub mod fetch;
+
+pub struct Package {
+    pub identifier: identifier::PackageIdentifier,
+    pub pkgfile: pkgfile::PKGFile,
+    is_installed: bool,
+    is_indexed: bool,
+}
+
+impl Package {
+    pub fn new(identifier: identifier::PackageIdentifier, pkgfile: pkgfile::PKGFile) -> Package {
+        Package {
+            identifier,
+            pkgfile,
+            is_installed: false,
+            is_indexed: false,
+        }
+    }
+
+    pub fn manifest(&self) -> manifest::Manifest {
+        manifest::Manifest::try_from(self.pkgfile.manifest.clone())
+            .unwrap()
+    }
+
+    pub fn fetch(package_identifier: identifier::PackageIdentifier) -> Result<Package, fetch::FetchError> {
+        match &package_identifier {
+            identifier::PackageIdentifier::Path(path) => {
+                trace!("fetching package from path: {}", path);
+                let pkgfile = fetch::fetch_by_path(path).unwrap();
+                Ok(Package::new(package_identifier, pkgfile))
+            },
+            identifier::PackageIdentifier::URI(url) => {
+                trace!("fetching package from uri: {}", url);
+                let pkgfile = fetch::fetch_by_uri(url).unwrap();
+                Ok(Package::new(package_identifier, pkgfile))
+            },
+            identifier::PackageIdentifier::PackageLocator(locator) => {
+                trace!("fetching package from locator: {}", locator);
+                let pkgfile = fetch::fetch_by_package_locator(locator.clone()).unwrap();
+                Ok(Package::new(package_identifier, pkgfile))
+            },
+        }
+    }
+
+    pub fn install(&mut self) -> Result<(), installer::errors::InstallError> {
+        let manifest = self.manifest();
+        let installer = installer::PackageInstaller::new(manifest.clone(), self.pkgfile.clone(), installer::InstallType::Bin);
+        match installer.install() {
+            Ok(_) => {
+                self.is_installed = true;
+                Ok(())
+            },
+            Err(e) => Err(e)
+        }
+    }
+
+    pub fn is_installed(&self) -> bool {
+        self.is_installed
+    }
+
+    pub fn is_indexed(&self) -> bool {
+        self.is_indexed
+    }
+}