management server listener (#17)

Reviewed-on: #17
Co-authored-by: David Ashby <delta.mu.alpha@gmail.com>
Co-committed-by: David Ashby <delta.mu.alpha@gmail.com>

cmd/cli/events.go

@@ -0,0 +1,113 @@
+package main
+
+import (
+	"git.yetaga.in/alazyreader/library/media"
+	"github.com/gdamore/tcell/v2"
+)
+
+// error message
+type EventError struct {
+	tcell.EventTime
+	err error
+}
+
+func NewEventError(err error) *EventError {
+	e := &EventError{err: err}
+	e.SetEventNow()
+	return e
+}
+
+// save change to book
+type EventBookUpdate struct {
+	tcell.EventTime
+	book *media.Book
+}
+
+func NewEventBookUpdate(b *media.Book) *EventBookUpdate {
+	e := &EventBookUpdate{book: b}
+	e.SetEventNow()
+	return e
+}
+
+func (e *EventBookUpdate) Book() *media.Book {
+	return e.book
+}
+
+// open new book in display
+type EventLoadBook struct {
+	tcell.EventTime
+	ID int
+}
+
+func NewEventLoadBook(id int) *EventLoadBook {
+	e := &EventLoadBook{ID: id}
+	e.SetEventNow()
+	return e
+}
+
+// open new book in display
+type EventEnterBook struct {
+	tcell.EventTime
+}
+
+func NewEventEnterBook() *EventEnterBook {
+	e := &EventEnterBook{}
+	e.SetEventNow()
+	return e
+}
+
+// switch back to menu control
+type EventExitBook struct {
+	tcell.EventTime
+}
+
+func NewEventExitBook() *EventExitBook {
+	e := &EventExitBook{}
+	e.SetEventNow()
+	return e
+}
+
+// open import window
+type EventOpenImport struct {
+	tcell.EventTime
+}
+
+func NewEventOpenImport() *EventOpenImport {
+	e := &EventOpenImport{}
+	e.SetEventNow()
+	return e
+}
+
+// attempt to import given filename.csv
+type EventAttemptImport struct {
+	tcell.EventTime
+	filename string
+}
+
+func NewEventAttemptImport(f string) *EventAttemptImport {
+	e := &EventAttemptImport{filename: f}
+	e.SetEventNow()
+	return e
+}
+
+// close import window
+type EventCloseImport struct {
+	tcell.EventTime
+}
+
+func NewEventCloseImport() *EventCloseImport {
+	e := &EventCloseImport{}
+	e.SetEventNow()
+	return e
+}
+
+// quit
+type EventQuit struct {
+	tcell.EventTime
+}
+
+func NewEventQuit() *EventQuit {
+	e := &EventQuit{}
+	e.SetEventNow()
+	return e
+}