Add search history

Add search history for filterable and searchable views.

pkg/utils/history_buffer.go

@@ -0,0 +1,36 @@
+package utils
+
+import "fmt"
+
+type HistoryBuffer[T any] struct {
+	maxSize int
+	items   []T
+}
+
+func NewHistoryBuffer[T any](maxSize int) *HistoryBuffer[T] {
+	return &HistoryBuffer[T]{
+		maxSize: maxSize,
+		items:   make([]T, 0, maxSize),
+	}
+}
+
+func (self *HistoryBuffer[T]) Push(item T) {
+	if len(self.items) == self.maxSize {
+		self.items = self.items[:len(self.items)-1]
+	}
+	self.items = append([]T{item}, self.items...)
+}
+
+func (self *HistoryBuffer[T]) PeekAt(index int) (T, error) {
+	var item T
+	if len(self.items) == 0 {
+		return item, fmt.Errorf("Buffer is empty")
+	}
+	if len(self.items) <= index || index < -1 {
+		return item, fmt.Errorf("Index out of range")
+	}
+	if index == -1 {
+		return item, nil
+	}
+	return self.items[index], nil
+}