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# TaskService class
#
# Used for creating tasks on task queue after certain user action
#
# Ex.
# TaskService.new.new_issue(issue, current_user)
#
class TaskService
# When create an issue we should:
#
# * creates a pending task for assignee if issue is assigned
#
def new_issue(issue, current_user)
if issue.is_assigned? && issue.assignee != current_user
create_task(issue.project, issue, current_user, issue.assignee, Task::ASSIGNED)
end
end
# When close an issue we should:
#
# * mark all pending tasks related to the target for the current user as done
#
def close_issue(issue, current_user)
mark_as_done(issue, current_user)
end
# When we reassign an issue we should:
#
# * creates a pending task for new assignee if issue is assigned
#
def reassigned_issue(issue, current_user)
if issue.is_assigned?
create_task(issue.project, issue, current_user, issue.assignee, Task::ASSIGNED)
end
end
# When we mark a task as done we should:
#
# * mark all pending tasks related to the target for the user as done
#
def mark_as_done(target, user)
pending_tasks = pending_tasks_for(user, target.project, target)
pending_tasks.update_all(state: :done)
end
private
def create_task(project, target, author, user, action)
attributes = {
project: project,
user_id: user.id,
author_id: author.id,
target_id: target.id,
target_type: target.class.name,
action: action
}
Task.create(attributes)
end
def pending_tasks_for(user, project, target)
user.tasks.pending.where(project: project, target: target)
end
end
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