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# frozen_string_literal: true
module Mutations
module WorkItems
class DeleteTask < BaseMutation
graphql_name 'WorkItemDeleteTask'
description "Deletes a task in a work item's description."
authorize :update_work_item
argument :id, ::Types::GlobalIDType[::WorkItem],
required: true,
description: 'Global ID of the work item.'
argument :lock_version, GraphQL::Types::Int,
required: true,
description: 'Current lock version of the work item containing the task in the description.'
argument :task_data, ::Types::WorkItems::DeletedTaskInputType,
required: true,
description: 'Arguments necessary to delete a task from a work item\'s description.',
prepare: ->(attributes, _ctx) { attributes.to_h }
field :work_item, Types::WorkItemType,
null: true,
description: 'Updated work item.'
def resolve(id:, lock_version:, task_data:)
work_item = authorized_find!(id: id)
task_data[:task] = authorized_find_task!(task_data[:id])
result = ::WorkItems::DeleteTaskService.new(
work_item: work_item,
current_user: current_user,
lock_version: lock_version,
task_params: task_data
).execute
response = { errors: result.errors }
response[:work_item] = work_item if result.success?
response
end
private
def authorized_find_task!(task_id)
task = ::Gitlab::Graphql::Lazy.force(GitlabSchema.find_by_gid(task_id))
if current_user.can?(:delete_work_item, task)
task
else
# Fail early if user cannot delete task
raise_resource_not_available_error!
end
end
# method used by `authorized_find!(id: id)`
def find_object(id:)
GitlabSchema.find_by_gid(id)
end
end
end
end
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