cli: use new alias feature for "snapshots"

Now maps to "snapshot list".

src/bin/proxmox_backup_client/snapshot.rs

@@ -2,12 +2,95 @@ use anyhow::Error;
 use serde_json::{json, Value};
 
 use proxmox::api::{api, cli::*};
-use proxmox_backup::tools;
+use proxmox_backup::{
+    tools,
+    api2::types::*,
+    backup::{
+        BackupGroup,
+    }
+};
 
 use crate::{
-    complete_backup_snapshot, connect, extract_repository_from_value, BackupDir, REPO_URL_SCHEMA,
+    REPO_URL_SCHEMA,
+    BackupDir,
+    api_datastore_list_snapshots,
+    complete_backup_snapshot,
+    complete_backup_group,
+    complete_repository,
+    connect,
+    extract_repository_from_value,
+    record_repository,
 };
 
+#[api(
+   input: {
+        properties: {
+            repository: {
+                schema: REPO_URL_SCHEMA,
+                optional: true,
+            },
+            group: {
+                type: String,
+                description: "Backup group.",
+                optional: true,
+            },
+            "output-format": {
+                schema: OUTPUT_FORMAT,
+                optional: true,
+            },
+        }
+   }
+)]
+/// List backup snapshots.
+async fn list_snapshots(param: Value) -> Result<Value, Error> {
+
+    let repo = extract_repository_from_value(&param)?;
+
+    let output_format = get_output_format(&param);
+
+    let client = connect(&repo)?;
+
+    let group: Option<BackupGroup> = if let Some(path) = param["group"].as_str() {
+        Some(path.parse()?)
+    } else {
+        None
+    };
+
+    let mut data = api_datastore_list_snapshots(&client, repo.store(), group).await?;
+
+    record_repository(&repo);
+
+    let render_snapshot_path = |_v: &Value, record: &Value| -> Result<String, Error> {
+        let item: SnapshotListItem = serde_json::from_value(record.to_owned())?;
+        let snapshot = BackupDir::new(item.backup_type, item.backup_id, item.backup_time)?;
+        Ok(snapshot.relative_path().to_str().unwrap().to_owned())
+    };
+
+    let render_files = |_v: &Value, record: &Value| -> Result<String, Error> {
+        let item: SnapshotListItem = serde_json::from_value(record.to_owned())?;
+        let mut filenames = Vec::new();
+        for file in &item.files {
+            filenames.push(file.filename.to_string());
+        }
+        Ok(tools::format::render_backup_file_list(&filenames[..]))
+    };
+
+    let options = default_table_format_options()
+        .sortby("backup-type", false)
+        .sortby("backup-id", false)
+        .sortby("backup-time", false)
+        .column(ColumnConfig::new("backup-id").renderer(render_snapshot_path).header("snapshot"))
+        .column(ColumnConfig::new("size").renderer(tools::format::render_bytes_human_readable))
+        .column(ColumnConfig::new("files").renderer(render_files))
+        ;
+
+    let info = &proxmox_backup::api2::admin::datastore::API_RETURN_SCHEMA_LIST_SNAPSHOTS;
+
+    format_and_print_result_full(&mut data, info, &output_format, &options);
+
+    Ok(Value::Null)
+}
+
 #[api(
     input: {
         properties: {
@@ -122,5 +205,12 @@ fn notes_cli() -> CliCommandMap {
 }
 
 pub fn snapshot_mgtm_cli() -> CliCommandMap {
-    CliCommandMap::new().insert("notes", notes_cli())
+    CliCommandMap::new()
+        .insert("notes", notes_cli())
+        .insert(
+            "list", CliCommand::new(&API_METHOD_LIST_SNAPSHOTS)
+                .arg_param(&["group"])
+                .completion_cb("group", complete_backup_group)
+                .completion_cb("repository", complete_repository)
+        )
 }