1use anyhow::{anyhow, Result};
  2
  3use async_trait::async_trait;
  4use collections::HashMap;
  5
  6use language::{LanguageServerName, LspAdapter, LspAdapterDelegate};
  7use lsp::LanguageServerBinary;
  8use node_runtime::NodeRuntime;
  9
 10use smol::{fs, stream::StreamExt};
 11use std::{
 12    any::Any,
 13    ffi::OsString,
 14    path::{Path, PathBuf},
 15    sync::Arc,
 16};
 17use util::{maybe, ResultExt};
 18
 19fn intelephense_server_binary_arguments(server_path: &Path) -> Vec<OsString> {
 20    vec![server_path.into(), "--stdio".into()]
 21}
 22
 23pub struct IntelephenseVersion(String);
 24
 25pub struct IntelephenseLspAdapter {
 26    node: Arc<dyn NodeRuntime>,
 27}
 28
 29impl IntelephenseLspAdapter {
 30    const SERVER_PATH: &'static str = "node_modules/intelephense/lib/intelephense.js";
 31
 32    pub fn new(node: Arc<dyn NodeRuntime>) -> Self {
 33        Self { node }
 34    }
 35}
 36
 37#[async_trait(?Send)]
 38impl LspAdapter for IntelephenseLspAdapter {
 39    fn name(&self) -> LanguageServerName {
 40        LanguageServerName("intelephense".into())
 41    }
 42
 43    async fn fetch_latest_server_version(
 44        &self,
 45        _delegate: &dyn LspAdapterDelegate,
 46    ) -> Result<Box<dyn 'static + Send + Any>> {
 47        Ok(Box::new(IntelephenseVersion(
 48            self.node.npm_package_latest_version("intelephense").await?,
 49        )) as Box<_>)
 50    }
 51
 52    async fn fetch_server_binary(
 53        &self,
 54        latest_version: Box<dyn 'static + Send + Any>,
 55        container_dir: PathBuf,
 56        _delegate: &dyn LspAdapterDelegate,
 57    ) -> Result<LanguageServerBinary> {
 58        let latest_version = latest_version.downcast::<IntelephenseVersion>().unwrap();
 59        let server_path = container_dir.join(Self::SERVER_PATH);
 60        let package_name = "intelephense";
 61
 62        let should_install_language_server = self
 63            .node
 64            .should_install_npm_package(
 65                package_name,
 66                &server_path,
 67                &container_dir,
 68                latest_version.0.as_str(),
 69            )
 70            .await;
 71
 72        if should_install_language_server {
 73            self.node
 74                .npm_install_packages(&container_dir, &[(package_name, latest_version.0.as_str())])
 75                .await?;
 76        }
 77
 78        Ok(LanguageServerBinary {
 79            path: self.node.binary_path().await?,
 80            env: None,
 81            arguments: intelephense_server_binary_arguments(&server_path),
 82        })
 83    }
 84
 85    async fn cached_server_binary(
 86        &self,
 87        container_dir: PathBuf,
 88        _: &dyn LspAdapterDelegate,
 89    ) -> Option<LanguageServerBinary> {
 90        get_cached_server_binary(container_dir, &*self.node).await
 91    }
 92
 93    async fn installation_test_binary(
 94        &self,
 95        container_dir: PathBuf,
 96    ) -> Option<LanguageServerBinary> {
 97        get_cached_server_binary(container_dir, &*self.node).await
 98    }
 99
100    fn language_ids(&self) -> HashMap<String, String> {
101        HashMap::from_iter([("PHP".into(), "php".into())])
102    }
103}
104
105async fn get_cached_server_binary(
106    container_dir: PathBuf,
107    node: &dyn NodeRuntime,
108) -> Option<LanguageServerBinary> {
109    maybe!(async {
110        let mut last_version_dir = None;
111        let mut entries = fs::read_dir(&container_dir).await?;
112        while let Some(entry) = entries.next().await {
113            let entry = entry?;
114            if entry.file_type().await?.is_dir() {
115                last_version_dir = Some(entry.path());
116            }
117        }
118        let last_version_dir = last_version_dir.ok_or_else(|| anyhow!("no cached binary"))?;
119        let server_path = last_version_dir.join(IntelephenseLspAdapter::SERVER_PATH);
120        if server_path.exists() {
121            Ok(LanguageServerBinary {
122                path: node.binary_path().await?,
123                env: None,
124                arguments: intelephense_server_binary_arguments(&server_path),
125            })
126        } else {
127            Err(anyhow!(
128                "missing executable in directory {:?}",
129                last_version_dir
130            ))
131        }
132    })
133    .await
134    .log_err()
135}