Group ToDo List

A beginner level smart contract assignment for a simple group to-do list.

Description

Each ToDo will have:

• Assignee
  only asignee can change the status of the task to done
• Assigner
  only the contract deployer (group leader) can assign task
  assigner may reassign the task if it HAS NOT been completed by the current assignee
• Task
  the name of the task
• Status
  to indicate complete/incompleted, initially the status should be incompleted

Only addresses that are part of the group (the group leader/assigner and those who are assigned a task can view the ToDo List.

Challenge:

• Add deadline date to the ToDo property (Clue: Unix Timestamp)
• Assignee cannot change status to complete if the date has passed the deadline
• Assigner can refresh the ToDo list to check if there are unfinished tasks that has passed the deadline, if there is, the status should change to failed. (Clue: loop)

Test Cases - Expected Result:

• Add task with assigner address - Success
• Add task with non assignes address - Failed

• Complete task with assignee address - Success
• Complete task with non-assignee address - Failed

• View task with member address - Success
• View task with non-member address - Failed

• Reassign incomplete task by assigner - Success
• Reassign completed task by assigner - Failed
• Reassign task by non-assigner - Failed

Challenge

• Refresh task by assigner (opt) - Success
• Refresh task by non-assigner (opt) - Failed
• Complete task with assignee address before deadline (opt) - Success
• Complete task with assignee address after deadline (opt) - Failed