未编译带有可选 splat 参数的 HTTP 客户端帖子

Question

我想使用

HTTP::Client#post(path, headers : HTTP::Headers | ::Nil = nil, *, form : Hash(String, String) | NamedTuple)

我尝试这样做

url = "https://api.authy.com/protected/json/phones/verification/start"
headers = HTTP::Headers{"X-Authy-API-Key" => api_key}
form = {
via:          "sms",
country_code: country_code,
phone_number: phone_number,
code_length:  6,
locale:       "ru",
}.to_h
response = HTTP::Client.post(url, headers: headers, form: form)

不幸的是，我遇到了编译错误

no argument named 'form'
Matches are:
- HTTP::Client#post(path, headers : HTTP::Headers | ::Nil = nil, body : BodyType = nil) (trying this one)
- HTTP::Client#post(path, headers : HTTP::Headers | ::Nil = nil, body : BodyType = nil, &block)
- HTTP::Client#post(path, headers : HTTP::Headers | ::Nil = nil, *, form : String | IO)
- HTTP::Client#post(path, headers : HTTP::Headers | ::Nil = nil, *, form : String | IO, &block)
- HTTP::Client#post(path, headers : HTTP::Headers | ::Nil = nil, *, form : Hash(String, String) | NamedTuple)
- HTTP::Client#post(path, headers : HTTP::Headers | ::Nil = nil, *, form : Hash(String, String) | NamedTuple, &block)

正确的方法是什么？

Answer 1

发生此编译错误是因为.to_h在命名元组上返回一个Hash(Symbol, Int32 | String)，并且与HTTP::Client.post的任何定义都不兼容。

为了解决这个问题，我建议将form显式定义为Hash(String, String)，并将键和值替换为它们的字符串表示形式：

form : Hash(String, String) = {
"via"          => "sms",
"country_code" => country_code.to_s, # assuming this is not a string
"phone_number" => phone_number,
"code_length"  => "6",
"locale"       => "ru",
}