Started re-engineering the UCL command instance

internal/common/ui/commandctrl/cmdpacks/stdcmds.go

@@ -0,0 +1,60 @@
+package cmdpacks
+
+import (
+	"context"
+	tea "github.com/charmbracelet/bubbletea"
+	"github.com/lmika/dynamo-browse/internal/common/ui/commandctrl"
+	"github.com/lmika/dynamo-browse/internal/dynamo-browse/controllers"
+	"ucl.lmika.dev/repl"
+	"ucl.lmika.dev/ucl"
+)
+
+type StandardCommands struct {
+	ReadController *controllers.TableReadController
+}
+
+var cmdQuitDoc = repl.Doc{
+	Brief: "Quits dynamo-browse",
+	Usage: "quit",
+	Detailed: `
+		This will quit dynamo-browse immediately, without prompting to apply
+		any changes.
+    `,
+}
+
+func (sc StandardCommands) cmdQuit(ctx context.Context, args ucl.CallArgs) (any, error) {
+	commandctrl.PostMsg(ctx, tea.Quit)
+	return nil, nil
+}
+
+var cmdTableDoc = repl.Doc{
+	Brief: "Prompt for table to scan",
+	Usage: "table [NAME]",
+	Args: []repl.ArgDoc{
+		{Name: "name", Brief: "Name of the table to scan"},
+	},
+	Detailed: `
+		If called with an argument, it will scan the table with that name and
+		replace the current result set. If called without an argument, it will
+		prompt for a table to scan.
+
+		This command is intended only for interactive sessions and is not suitable
+		for scripting. The scan or table prompts will happen asynchronously.
+    `,
+}
+
+func (sc StandardCommands) cmdTable(ctx context.Context, args ucl.CallArgs) (any, error) {
+	var tableName string
+	if err := args.Bind(&tableName); err == nil {
+		commandctrl.PostMsg(ctx, sc.ReadController.ScanTable(tableName))
+		return nil, nil
+	}
+
+	commandctrl.PostMsg(ctx, sc.ReadController.ListTables(false))
+	return nil, nil
+}
+
+func (sc StandardCommands) ConfigureUCL(ucl *ucl.Inst) {
+	ucl.SetBuiltin("quit", sc.cmdQuit)
+	ucl.SetBuiltin("table", sc.cmdTable)
+}