fix: update of installed state after install/removal

When a package is installed, the state of all shown package should be updated.
The list might contain other packages that got installed along the selected one.
Also, any cached data needs to be updated.

internal/pacseek/commands.go

@@ -37,11 +37,7 @@ func (ps *UI) installPackage() {
 	ps.runCommand(ps.shell, args)
 
 	// update package install status
-	if isInstalled(ps.alpmHandle, pkg) {
-		ps.packages.SetCellSimple(row, 2, "Y")
-	} else {
-		ps.packages.SetCellSimple(row, 2, "-")
-	}
+	ps.updateInstalledState()
 }
 
 // issues "Update command"

internal/pacseek/draw.go

@@ -281,3 +281,31 @@ func getDependenciesJoined(i InfoRecord) string {
 	deps += odeps
 	return deps
 }
+
+// updates the "install state" of all packages in cache and package list
+func (ps *UI) updateInstalledState() {
+	// update cached packages
+	sterm := ps.search.GetText()
+	cpkg, exp, found := ps.searchCache.GetWithExpiration(sterm)
+	scpkg := cpkg.([]Package)
+	if found {
+		for i := 0; i < len(scpkg); i++ {
+			scpkg[i].IsInstalled = isInstalled(ps.alpmHandle, scpkg[i].Name)
+		}
+		ps.searchCache.Set(sterm, scpkg, exp.Sub(time.Now()))
+	}
+
+	// update currently shown packages
+	for i := 1; i < ps.packages.GetRowCount(); i++ {
+		newCell := &tview.TableCell{
+			Text:            "-",
+			Expansion:       1000,
+			Color:           tcell.ColorWhite,
+			BackgroundColor: tcell.ColorBlack,
+		}
+		if isInstalled(ps.alpmHandle, ps.packages.GetCell(i, 0).Text) {
+			newCell.Text = "Y"
+		}
+		ps.packages.SetCell(i, 2, newCell)
+	}
+}