Install plugins from Yaak plugin registry (#230)

src-tauri/yaak-plugins/src/plugin_meta.rs

@@ -0,0 +1,64 @@
+use crate::error::Result;
+use serde::{Deserialize, Serialize};
+use std::fs;
+use std::path::Path;
+use ts_rs::TS;
+
+#[derive(Debug, Clone, Serialize, Deserialize, TS, PartialEq)]
+#[serde(rename_all = "camelCase")]
+#[ts(export, export_to = "gen_search.ts")]
+pub struct PluginMetadata {
+    pub version: String,
+    pub name: String,
+    pub display_name: String,
+    pub description: Option<String>,
+    pub homepage_url: Option<String>,
+    pub repository_url: Option<String>,
+}
+
+pub(crate) fn get_plugin_meta(plugin_dir: &Path) -> Result<PluginMetadata> {
+    let package_json = fs::File::open(plugin_dir.join("package.json"))?;
+    let package_json: PackageJson = serde_json::from_reader(package_json)?;
+
+    let display_name = match package_json.display_name {
+        None => {
+            let display_name = package_json.name.to_string();
+            let display_name = display_name.split('/').last().unwrap_or(&package_json.name);
+            let display_name = display_name.strip_prefix("yaak-plugin-").unwrap_or(&display_name);
+            let display_name = display_name.strip_prefix("yaak-").unwrap_or(&display_name);
+            display_name.to_string()
+        }
+        Some(n) => n,
+    };
+
+    Ok(PluginMetadata {
+        version: package_json.version,
+        description: package_json.description,
+        name: package_json.name,
+        display_name,
+        homepage_url: package_json.homepage,
+        repository_url: match package_json.repository {
+            None => None,
+            Some(RepositoryField::Object { url }) => Some(url),
+            Some(RepositoryField::String(url)) => Some(url),
+        },
+    })
+}
+
+#[derive(Debug, Deserialize)]
+#[serde(rename_all = "camelCase")]
+struct PackageJson {
+    pub name: String,
+    pub display_name: Option<String>,
+    pub version: String,
+    pub repository: Option<RepositoryField>,
+    pub homepage: Option<String>,
+    pub description: Option<String>,
+}
+
+#[derive(Debug, Deserialize)]
+#[serde(untagged)]
+enum RepositoryField {
+    String(String),
+    Object { url: String },
+}