move cli to top level

cli/src/commands/version.rs

@@ -0,0 +1,66 @@
+/*---------------------------------------------------------------------------------------------
+ *  Copyright (c) Microsoft Corporation. All rights reserved.
+ *  Licensed under the MIT License. See License.txt in the project root for license information.
+ *--------------------------------------------------------------------------------------------*/
+
+use crate::{
+    desktop::{CodeVersionManager, RequestedVersion},
+    log,
+    update_service::UpdateService,
+    util::{errors::AnyError, prereqs::PreReqChecker},
+};
+
+use super::{
+    args::{OutputFormatOptions, UninstallVersionArgs, UseVersionArgs},
+    output::{Column, OutputTable},
+    CommandContext,
+};
+
+pub async fn switch_to(ctx: CommandContext, args: UseVersionArgs) -> Result<i32, AnyError> {
+    let platform = PreReqChecker::new().verify().await?;
+    let vm = CodeVersionManager::new(&ctx.paths, platform);
+    let version = RequestedVersion::try_from(args.name.as_str())?;
+
+    if !args.reinstall && vm.try_get_entrypoint(&version).await.is_some() {
+        vm.set_preferred_version(&version)?;
+        print_now_using(&ctx.log, &version);
+        return Ok(0);
+    }
+
+    let update_service = UpdateService::new(ctx.log.clone(), ctx.http.clone());
+    vm.install(&update_service, &version).await?;
+    vm.set_preferred_version(&version)?;
+    print_now_using(&ctx.log, &version);
+    Ok(0)
+}
+
+pub async fn list(ctx: CommandContext, args: OutputFormatOptions) -> Result<i32, AnyError> {
+    let platform = PreReqChecker::new().verify().await?;
+    let vm = CodeVersionManager::new(&ctx.paths, platform);
+
+    let mut name = Column::new("Installation");
+    let mut command = Column::new("Command");
+    for version in vm.list() {
+        name.add_row(version.to_string());
+        command.add_row(version.get_command());
+    }
+    args.format
+        .print_table(OutputTable::new(vec![name, command]))
+        .ok();
+
+    Ok(0)
+}
+
+pub async fn uninstall(ctx: CommandContext, args: UninstallVersionArgs) -> Result<i32, AnyError> {
+    let platform = PreReqChecker::new().verify().await?;
+    let vm = CodeVersionManager::new(&ctx.paths, platform);
+    let version = RequestedVersion::try_from(args.name.as_str())?;
+    vm.uninstall(&version).await?;
+    ctx.log
+        .result(&format!("VS Code {} uninstalled successfully", version));
+    Ok(0)
+}
+
+fn print_now_using(log: &log::Logger, version: &RequestedVersion) {
+    log.result(&format!("Now using VS Code {}", version));
+}