feat(port): port VcsDriver.php

2 files changed, 148 insertions, 0 deletions

diff --git a/crates/shirabe-php-shim/src/lib.rs b/crates/shirabe-php-shim/src/lib.rs
index 43786a0..d2052a3 100644
--- a/crates/shirabe-php-shim/src/lib.rs
+++ b/crates/shirabe-php-shim/src/lib.rs
@@ -391,6 +391,11 @@ pub fn realpath(path: &str) -> Option<String> {
     todo!()
 }
 
+pub const JSON_UNESCAPED_UNICODE: i64 = 256;
+pub const JSON_UNESCAPED_SLASHES: i64 = 64;
+pub const JSON_PRETTY_PRINT: i64 = 128;
+pub const JSON_THROW_ON_ERROR: i64 = 4194304;
+
 pub fn json_encode(value: &PhpMixed) -> Option<String> {
     todo!()
 }
diff --git a/crates/shirabe/src/repository/vcs/vcs_driver.rs b/crates/shirabe/src/repository/vcs/vcs_driver.rs
index e41f2c0..8db411d 100644
--- a/crates/shirabe/src/repository/vcs/vcs_driver.rs
+++ b/crates/shirabe/src/repository/vcs/vcs_driver.rs
@@ -1 +1,144 @@
 //! ref: composer/src/Composer/Repository/Vcs/VcsDriver.php
+
+use indexmap::IndexMap;
+use shirabe_external_packages::composer::pcre::preg::Preg;
+use shirabe_php_shim::{extension_loaded, PhpMixed, JSON_UNESCAPED_SLASHES, JSON_UNESCAPED_UNICODE};
+
+use crate::cache::Cache;
+use crate::config::Config;
+use crate::downloader::transport_exception::TransportException;
+use crate::io::io_interface::IOInterface;
+use crate::json::json_file::JsonFile;
+use crate::util::filesystem::Filesystem;
+use crate::util::http::response::Response;
+use crate::util::http_downloader::HttpDownloader;
+use crate::util::process_executor::ProcessExecutor;
+
+#[derive(Debug)]
+pub struct VcsDriver {
+    pub(crate) url: String,
+    pub(crate) origin_url: String,
+    pub(crate) repo_config: IndexMap<String, PhpMixed>,
+    pub(crate) io: Box<dyn IOInterface>,
+    pub(crate) config: Config,
+    pub(crate) process: ProcessExecutor,
+    pub(crate) http_downloader: HttpDownloader,
+    pub(crate) info_cache: IndexMap<String, Option<IndexMap<String, PhpMixed>>>,
+    pub(crate) cache: Option<Cache>,
+}
+
+impl VcsDriver {
+    pub fn new(
+        mut repo_config: IndexMap<String, PhpMixed>,
+        io: Box<dyn IOInterface>,
+        config: Config,
+        http_downloader: HttpDownloader,
+        process: ProcessExecutor,
+    ) -> Self {
+        if let Some(PhpMixed::String(url)) = repo_config.get("url").cloned() {
+            if Filesystem::is_local_path(&url) {
+                let platform_path = Filesystem::get_platform_path(&url);
+                repo_config.insert("url".to_string(), PhpMixed::String(platform_path));
+            }
+        }
+
+        let url = repo_config.get("url").and_then(|v| v.as_string()).unwrap_or("").to_string();
+
+        Self {
+            origin_url: url.clone(),
+            url,
+            repo_config,
+            io,
+            config,
+            http_downloader,
+            process,
+            info_cache: IndexMap::new(),
+            cache: None,
+        }
+    }
+
+    pub(crate) fn should_cache(&self, identifier: &str) -> bool {
+        self.cache.is_some() && Preg::is_match("{^[a-f0-9]{40}$}iD", identifier).unwrap_or(false)
+    }
+
+    pub fn get_composer_information(&mut self, identifier: &str) -> anyhow::Result<Option<IndexMap<String, PhpMixed>>> {
+        if !self.info_cache.contains_key(identifier) {
+            if self.should_cache(identifier) {
+                if let Some(res) = self.cache.as_ref().and_then(|c| c.read(identifier)) {
+                    let parsed = JsonFile::parse_json(&res, None)?;
+                    self.info_cache.insert(identifier.to_string(), parsed);
+                    return Ok(self.info_cache.get(identifier).and_then(|v| v.clone()));
+                }
+            }
+
+            let composer = self.get_base_composer_information(identifier)?;
+
+            if self.should_cache(identifier) {
+                if let Some(ref composer_map) = composer {
+                    let encoded = JsonFile::encode_with_options(composer_map, JSON_UNESCAPED_UNICODE | JSON_UNESCAPED_SLASHES);
+                    self.cache.as_ref().map(|c| c.write(identifier, &encoded));
+                }
+            }
+
+            self.info_cache.insert(identifier.to_string(), composer);
+        }
+
+        Ok(self.info_cache.get(identifier).and_then(|v| v.clone()))
+    }
+
+    pub(crate) fn get_base_composer_information(&mut self, identifier: &str) -> anyhow::Result<Option<IndexMap<String, PhpMixed>>> {
+        let composer_file_content = self.get_file_content("composer.json", identifier)?;
+
+        let composer_file_content = match composer_file_content {
+            None => return Ok(None),
+            Some(c) if c.is_empty() => return Ok(None),
+            Some(c) => c,
+        };
+
+        let composer = JsonFile::parse_json(&composer_file_content, Some(&format!("{}:composer.json", identifier)))?;
+
+        let mut composer = match composer {
+            None => return Ok(None),
+            Some(c) if c.is_empty() => return Ok(None),
+            Some(c) => c,
+        };
+
+        if !composer.contains_key("time") || composer.get("time").map_or(true, |v| v.as_string().map_or(true, |s| s.is_empty())) {
+            if let Some(change_date) = self.get_change_date(identifier)? {
+                composer.insert("time".to_string(), PhpMixed::String(change_date.to_rfc3339()));
+            }
+        }
+
+        Ok(Some(composer))
+    }
+
+    pub fn has_composer_file(&mut self, identifier: &str) -> bool {
+        match self.get_composer_information(identifier) {
+            Ok(Some(_)) => true,
+            _ => false,
+        }
+    }
+
+    pub(crate) fn get_scheme(&self) -> &str {
+        if extension_loaded("openssl") {
+            return "https";
+        }
+        "http"
+    }
+
+    pub(crate) fn get_contents(&self, url: &str) -> anyhow::Result<Response, TransportException> {
+        let options = self.repo_config.get("options").cloned().unwrap_or(PhpMixed::Array(IndexMap::new()));
+        self.http_downloader.get(url, &options)
+    }
+
+    pub fn cleanup(&self) {}
+
+    // abstract methods to be implemented by subclasses (via VcsDriverInterface trait)
+    pub(crate) fn get_file_content(&self, file: &str, identifier: &str) -> anyhow::Result<Option<String>> {
+        todo!()
+    }
+
+    pub(crate) fn get_change_date(&self, identifier: &str) -> anyhow::Result<Option<chrono::DateTime<chrono::Utc>>> {
+        todo!()
+    }
+}