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defmodule PowerDNSex.Managers.ZonesManager do
@default_server "localhost"
alias PowerDNSex.HttpClient
alias PowerDNSex.Models.{Zone, Error, ResourceRecordSet, Record}
alias HTTPoison.Response
def create(%Zone{} = zone, server_name \\ @default_server) do
server_name
|> zone_path
|> HttpClient.post!(Zone.as_body(zone))
|> process_request_response
end
def show(zone_name, server_name \\ @default_server)
when is_bitstring(zone_name) do
server_name
|> zone_path(zone_name)
|> HttpClient.get!()
|> process_request_response
end
def delete(zone_name, server_name \\ @default_server)
when is_bitstring(zone_name) do
server_name
|> zone_path(zone_name)
|> HttpClient.delete!()
|> process_request_response
end
###
# Private
###
defp zone_path(server_name) when is_bitstring(server_name) do
"api/v1/servers/#{server_name}/zones"
end
defp zone_path(server_name, zone_name) when is_bitstring(server_name) do
zone_path(server_name) <> "/#{zone_name}"
end
defp process_request_response(%Response{body: body, status_code: status}) do
case status do
s when s == 204 ->
{:ok, %{}}
s when s < 300 ->
{:ok, decode_body(body)}
s when s == 500 ->
{:error, %Error{error: "Internal Server Error", http_status_code: s}}
s when s >= 300 ->
error = %{Poison.decode!(body, as: %Error{}) | http_status_code: s}
{:error, error}
end
end
defp decode_body(body) do
zone =
body
|> Poison.decode!(as: %Zone{rrsets: [%ResourceRecordSet{records: [%Record{}]}]})
nameservers = ResourceRecordSet.nameservers(zone.rrsets)
Map.put(zone, :nameservers, nameservers)
end
end
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