feat: adding list_by command

commands/list_tasks_by.go

@@ -0,0 +1,28 @@
+package commands
+
+import (
+	"fmt"
+	"gotask-cli/models"
+	"gotask-cli/utils"
+)
+
+func ListTasksBy(status string, backlog []models.Task) {
+	var backlogToDisplay []models.Task
+	var statusID models.Status
+	for i, v := range models.StatusName {
+		if v == status {
+			statusID = i
+		}
+	}
+	for _, v := range backlog {
+		if v.Status == models.Status(statusID) {
+			backlogToDisplay = append(backlogToDisplay, v)
+		}
+	}
+	if len(backlogToDisplay) > 0 {
+		utils.PrintTasksAsATable(backlogToDisplay)
+	} else {
+		fmt.Printf("No tasks with the status [%s]", status)
+	}
+
+}