Add list-accounts CLI command

Author: etbyrd

cmd/msgvault/cmd/list_accounts.go

@@ -0,0 +1,88 @@
+package cmd
+
+import (
+	"encoding/json"
+	"fmt"
+	"os"
+	"text/tabwriter"
+
+	"github.com/spf13/cobra"
+	"github.com/wesm/msgvault/internal/query"
+	"github.com/wesm/msgvault/internal/store"
+)
+
+var listAccountsJSON bool
+
+var listAccountsCmd = &cobra.Command{
+	Use:   "list-accounts",
+	Short: "List synced email accounts",
+	Long: `List all email accounts that have been added to msgvault.
+
+Examples:
+  msgvault list-accounts
+  msgvault list-accounts --json`,
+	RunE: func(cmd *cobra.Command, args []string) error {
+		dbPath := cfg.DatabasePath()
+		s, err := store.Open(dbPath)
+		if err != nil {
+			return fmt.Errorf("open database: %w", err)
+		}
+		defer s.Close()
+
+		engine := query.NewSQLiteEngine(s.DB())
+
+		accounts, err := engine.ListAccounts(cmd.Context())
+		if err != nil {
+			return fmt.Errorf("list accounts: %w", err)
+		}
+
+		if len(accounts) == 0 {
+			fmt.Println("No accounts found. Use 'msgvault add-account <email>' to add one.")
+			return nil
+		}
+
+		if listAccountsJSON {
+			return outputAccountsJSON(accounts)
+		}
+		outputAccountsTable(accounts)
+		return nil
+	},
+}
+
+func outputAccountsTable(accounts []query.AccountInfo) {
+	w := tabwriter.NewWriter(os.Stdout, 0, 0, 2, ' ', 0)
+	fmt.Fprintln(w, "ID\tEMAIL\tTYPE\tDISPLAY NAME")
+	fmt.Fprintln(w, "──\t─────\t────\t────────────")
+
+	for _, acc := range accounts {
+		displayName := acc.DisplayName
+		if displayName == "" {
+			displayName = "-"
+		}
+		fmt.Fprintf(w, "%d\t%s\t%s\t%s\n", acc.ID, acc.Identifier, acc.SourceType, displayName)
+	}
+
+	w.Flush()
+	fmt.Printf("\n%d account(s)\n", len(accounts))
+}
+
+func outputAccountsJSON(accounts []query.AccountInfo) error {
+	output := make([]map[string]interface{}, len(accounts))
+	for i, acc := range accounts {
+		output[i] = map[string]interface{}{
+			"id":           acc.ID,
+			"email":        acc.Identifier,
+			"type":         acc.SourceType,
+			"display_name": acc.DisplayName,
+		}
+	}
+
+	enc := json.NewEncoder(os.Stdout)
+	enc.SetIndent("", "  ")
+	return enc.Encode(output)
+}
+
+func init() {
+	rootCmd.AddCommand(listAccountsCmd)
+	listAccountsCmd.Flags().BoolVar(&listAccountsJSON, "json", false, "Output as JSON")
+}