sqs-browse: a lot of work to try to keep UI complexity down

Added the notion of controllers and a dispatcher which will queue up operations

internal/common/ui/uimodels/context.go

@@ -0,0 +1,15 @@
+package uimodels
+
+import "context"
+
+type uiContextKeyType struct {}
+var uiContextKey = uiContextKeyType{}
+
+func Ctx(ctx context.Context) UIContext {
+	uiCtx, _ := ctx.Value(uiContextKey).(UIContext)
+	return uiCtx
+}
+
+func WithContext(ctx context.Context, uiContext UIContext) context.Context {
+	return context.WithValue(ctx, uiContextKey, uiContext)
+}

internal/common/ui/uimodels/iface.go

@@ -0,0 +1,10 @@
+package uimodels
+
+import tea "github.com/charmbracelet/bubbletea"
+
+type UIContext interface {
+	Send(teaMessage tea.Msg)
+	Message(msg string)
+	Messagef(format string, args ...interface{})
+	Input(prompt string, onDone Operation)
+}

internal/common/ui/uimodels/operations.go

@@ -0,0 +1,14 @@
+package uimodels
+
+import "context"
+
+type Operation interface {
+	Execute(ctx context.Context) error
+}
+
+type OperationFn func(ctx context.Context) error
+
+func (f OperationFn) Execute(ctx context.Context) error {
+	return f(ctx)
+}
+

internal/common/ui/uimodels/promptvalue.go

@@ -0,0 +1,15 @@
+package uimodels
+
+import "context"
+
+type promptValueKeyType struct {}
+var promptValueKey = promptValueKeyType{}
+
+func PromptValue(ctx context.Context) string {
+	value, _ := ctx.Value(promptValueKey).(string)
+	return value
+}
+
+func WithPromptValue(ctx context.Context, value string) context.Context {
+	return context.WithValue(ctx, promptValueKey, value)
+}