Hi all, I have a problem where I’ve decoded a json response with Poison but the API returns a dynamic key name which matches the query I’ve made. First I make a request with HTTPoison:
# postal_code_query == "90210"
url = "https://app.zipcodebase.com/api/v1/search"
headers = [apikey: "secret"]
params = [codes: postal_code_query, country: country_alpha2]
{:ok, response} = HTTPoison.get(url, headers, params: params)
{:ok, decoded} = Poison.decode(response.body)
Which works fine but when I get the response the key is not constant but matches the param postal_code_query
above("90210"
):
Poison.decode(response.body): {:ok,
%{
"query" => %{"codes" => ["90210"], "country" => "US"},
"results" => %{
"90210" => [
%{
"city" => "Beverly Hills",
"country_code" => "US",
"latitude" => "34.09010000",
"longitude" => "-118.40650000",
"postal_code" => "90210",
"province" => "Los Angeles",
"province_code" => "037",
"state" => "California",
"state_code" => "CA"
}
]
}
}}
I’ve tried various ways to get the values for the key "90210"
but nothing I’ve tried so far seems to work:
IO.inspect(postal_code_query, label: "postal_code_query")
IO.inspect(decoded[postal_code_query], label: "decoded[postal_code_query]")
IO.inspect(decoded[Atom.to_string(:postal_code_query)], label: "decoded[Atom.to_string()]")
IO.inspect(Map.get(decoded, postal_code_query), label: "Map.get(decoded, postal_code_query)")
yields:
postal_code_query: "90210"
decoded[postal_code_query]: nil
decoded[Atom.to_string()]: nil
Map.get(decoded, postal_code_query): nil
Any suggestions?
regards,
Michael