GET fetches particular Inbound Trunk Number by did number

Given I am authenticated as Customer K0002
And there is a Group Service with service number 345
and it has assigned following Inbound Trunk Number +48 (22) 1111-5
When I send /api/customers/K0002/targets/group-services/345/inbound-trunk-numbers/0048.22.1111-5
Then I should receive HTTP/1.1 200 OK with body including

{
  "href": "/api/customers/K0002/targets/group-services/345/inbound-trunk-numbers/0048.22.1111-5",
  "links": [{
    "rel": "trunk",
    "href": "/api/customers/K0002/trunks/0048.22.1111.0-9"
  }],
  "data": [{
    "name": "didExtension",
    "value": "5"
  }, {
    "name": "formatDisplay",
    "value": "+48 (22) 1111-5"
  }]
}

Cannot get missing inbound trunk number

Given I am authenticated as Customer K0002
And there is a Group Service with service number 345
When I send /api/customers/K0002/targets/group-services/345/inbound-trunk-numbers/0048.22.1111-404
Then I should receive HTTP/1.1 404 Not Found

{
  "described_by": "http://api.nfon.net/probs/inbound-trunk-number-not-found",
  "title": "Inbound Trunk Number not found",
  "detail": "Inbound Trunk Number [+48 (22) 1111-404] not found."
}

Cannot get inbound trunk numbers of missing Group Service

Given I am authenticated as Customer K0002
When I send /api/customers/K0002/targets/group-services/404/inbound-trunk-numbers/0048.22.1111-5
Then I should receive HTTP/1.1 404 Not Found

{
  "title": "Group not found",
  "detail": "Group with serviceNumber 404 not found",
  "described_by": "http://api.nfon.net/probs/group-not-found"
}

Cannot get inbound trunk number not assigned to group service

Given I am authenticated as Customer K0002
And there is a Group Service with service number 345
and there is unassigned Inbound Trunk Number +48 (22) 1111-5
When I send /api/customers/K0002/targets/group-services/345/inbound-trunk-numbers/0048.22.1111-5
Then I should receive HTTP/1.1 404 Not Found

{
  "described_by": "http://api.nfon.net/probs/inbound-trunk-number-not-found",
  "title": "Inbound Trunk Number not found",
  "detail": "Inbound Trunk Number [+48 (22) 1111-5] not found."
}

Admin cannot get Inbound Trunk Number for missing Customer

Given I am authenticated as Admin
When I send /api/customers/K404/targets/group-services/345/inbound-trunk-numbers/0048.22.1111-5
Then I should get HTTP/1.1 404 Not Found

{
  "title": "Customer not found",
  "detail": "Customer with identifier K404 has not been found",
  "described_by": "http://api.nfon.net/probs/customer-not-found"
}

Customer cannot get Inbound Trunk Number of another Customer's Group Service

Given there is a Group Service with service number 345
and there is unassigned Inbound Trunk Number +48 (22) 1111-5
and I am authenticated as K0003
When I send /api/customers/K0002/targets/group-services/345/inbound-trunk-numbers/0048.22.1111-5
Then I should receive HTTP/1.1 403 Forbidden
with following body:

{
  "title": "Access forbidden",
  "detail": "Access denied to [Customer] with id [K0002]",
  "described_by": "http://api.nfon.net/probs/invalid-authorization"
}

System Integrator cannot access Group Service Inbound Trunk Number of Customer that does not belong to him

Given I am authenticated as System Integrator S0002
When I send /api/customers/K0003/targets/group-services/345/inbound-trunk-numbers/0048.22.1111-5
Then I should receive HTTP/1.1 403 Forbidden
with following body

{
  "title": "Access forbidden",
  "detail": "Access denied to [Customer] with id [K0003]",
  "described_by": "http://api.nfon.net/probs/invalid-authorization"
}

Operator cannot access Group Service Inbound Trunk Number of Customer that does not belong to him

Given I am authenticated as Operator C0002
When I send /api/customers/K0003/targets/group-services/345/inbound-trunk-numbers/0048.22.1111-5
Then I should receive HTTP/1.1 403 Forbidden
with following body

{
  "title": "Access forbidden",
  "detail": "Access denied to [Customer] with id [K0003]",
  "described_by": "http://api.nfon.net/probs/invalid-authorization"
}

Service Portal REST API

GET /api/customers/{customer-id}/targets/group-service/{service-number}/inbound-trunk-numbers/{number}