If a file is currently mid-stash don't let the user stash it again

ui/pager.go

@@ -261,6 +261,7 @@ func pagerUpdate(msg tea.Msg, m pagerModel) (pagerModel, tea.Cmd) {
 		// that of a stashed document, but don't re-render since the body is
 		// identical to what's already rendered.
 		m.currentDocument = markdown(msg)
+		m.currentDocument.localPath = ""
 
 		// Show a success message to the user.
 		m.state = pagerStateStatusMessage
@@ -485,7 +486,6 @@ func stashDocument(cc *charm.Client, md markdown) tea.Cmd {
 		// Set the note as the filename without the extension
 		p := md.localPath
 		md.Note = strings.Replace(path.Base(p), path.Ext(p), "", 1)
-		md.localPath = ""
 
 		newMd, err := cc.StashMarkdown(md.Note, md.Body)
 		if err != nil {

ui/stash.go

@@ -128,6 +128,9 @@ type stashModel struct {
 	loadingFromNetwork bool        // are we currently loading something from the network?
 	loaded             loadedState // what's loaded? we find out with bitmasking
 
+	// Paths to files being stashed. We treat this like a set.
+	filesStashing map[string]struct{}
+
 	// This is just the index of the current page in view. To get the index
 	// of the selected item as it relates to the full set of documents we've
 	// fetched use the mardownIndex() method of this struct.
@@ -231,6 +234,7 @@ func newStashModel() stashModel {
 		page:               1,
 		paginator:          p,
 		loadingFromNetwork: true,
+		filesStashing:      make(map[string]struct{}),
 	}
 
 	return m
@@ -304,6 +308,8 @@ func stashUpdate(msg tea.Msg, m stashModel) (stashModel, tea.Cmd) {
 	// Something was stashed. Add it to the stash listing.
 	case stashSuccessMsg:
 		md := markdown(msg)
+		delete(m.filesStashing, md.localPath) // remove from the things-we're-stashing list
+		md.localPath = ""
 		m.addMarkdowns(&md)
 
 		m.showStatusMessage = true
@@ -392,10 +398,20 @@ func stashUpdate(msg tea.Msg, m stashModel) (stashModel, tea.Cmd) {
 			// Stash
 			case "s":
 				md := m.selectedMarkdown()
-				if md != nil && md.markdownType == localMarkdown {
-					cmds = append(cmds, stashDocument(m.cc, *md))
+				if md == nil {
+					break
 				}
 
+				// if we're busy stashing this don't do it again
+				_, exists := m.filesStashing[md.localPath]
+
+				if exists || md.markdownType != localMarkdown || md.localPath == "" {
+					break
+				}
+
+				m.filesStashing[md.localPath] = struct{}{}
+				cmds = append(cmds, stashDocument(m.cc, *md))
+
 			// Prompt for deletion
 			case "x":
 				m.hideStatusMessage()