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use crate::*;
use serde::Serialize;
use serde_json;
use serde_xml_rs;
use std::{
fmt::{Debug, Display},
str::FromStr,
};
impl ContentType {
/// Handles the `application/json` Content-Type by serializing the provided data
/// into a JSON string.
///
/// # Type Parameters
/// - `T`: The type of the data to be serialized, which must implement `Serialize`.
///
/// # Parameters
/// - `data`: The data to be serialized into JSON.
///
/// # Returns
/// A string containing the serialized JSON representation of the provided data.
/// If serialization fails, it returns an empty JSON object (`{}`).
#[inline]
fn get_application_json<T: Serialize + Display>(data: &T) -> String {
serde_json::to_string(data).unwrap_or_else(|_| String::from("{}"))
}
/// Handles the `application/xml` Content-Type by serializing the provided data
/// into an XML string.
///
/// # Type Parameters
/// - `T`: The type of the data to be serialized, which must implement `Serialize`.
///
/// # Parameters
/// - `data`: The data to be serialized into XML.
///
/// # Returns
/// A string containing the serialized XML representation of the provided data.
/// If serialization fails, it returns an empty XML root element (`<root></root>`).
#[inline]
fn get_application_xml<T: Serialize + Display>(data: &T) -> String {
serde_xml_rs::to_string(data).unwrap_or_else(|_| String::from("<root></root>"))
}
/// Handles the `text/plain` Content-Type by formatting the provided data
/// into a plain text string.
///
/// # Type Parameters
/// - `T`: The type of the data to be formatted, which must implement `Serialize`, `Debug`, `Clone`, and `Default`.
///
/// # Parameters
/// - `data`: The data to be formatted into plain text.
///
/// # Returns
/// A plain text string representing the provided data, formatted with the `Debug` trait.
#[inline]
fn get_text_plain<T: Serialize + Debug + Clone + Default + Display>(data: &T) -> String {
data.to_string()
}
/// Handles the `text/html` Content-Type by formatting the provided data
/// into an HTML string, typically inside a simple table.
///
/// # Type Parameters
/// - `T`: The type of the data to be formatted, which must implement `Serialize`, `Debug`, `Clone`, and `Default`.
///
/// # Parameters
/// - `data`: The data to be formatted into HTML.
///
/// # Returns
/// A string containing the HTML representation of the provided data, inside a table row.
#[inline]
fn get_text_html<T: Serialize + Debug + Clone + Default>(data: &T) -> String {
let mut html: String = String::from("<table>");
html.push_str(&format!("<tr><td>{:?}</td></tr>", data));
html.push_str("</table>");
html
}
/// Handles the `application/x-www-form-urlencoded` Content-Type by serializing
/// the provided data into a URL-encoded string.
///
/// # Type Parameters
/// - `T`: The type of the data to be serialized, which must implement `Serialize`.
///
/// # Parameters
/// - `data`: The data to be serialized into URL-encoded format.
///
/// # Returns
/// A string containing the URL-encoded representation of the provided data.
/// If serialization fails, it returns an empty string.
#[inline]
fn get_form_url_encoded<T: Serialize + Display>(data: &T) -> String {
serde_urlencoded::to_string(data).unwrap_or_else(|_| String::from(""))
}
/// Handles binary data when the `Content-Type` is unknown by formatting the
/// provided data as a hexadecimal string.
///
/// # Type Parameters
/// - `T`: The type of the data to be formatted, which must implement `Serialize`, `Debug`, `Clone`, and `Default`.
///
/// # Parameters
/// - `data`: The data to be formatted into binary representation.
///
/// # Returns
/// A string containing the hexadecimal encoding of the provided data.
#[inline]
fn get_binary<T: Serialize + Debug + Clone + Default + Display>(data: &T) -> String {
hex::encode(data.to_string())
}
/// Public interface for getting a formatted body string based on the `ContentType`.
///
/// This method routes the data to the appropriate handler method based on the
/// `ContentType`, formatting the body accordingly.
///
/// # Type Parameters
/// - `T`: The type of the data to be formatted, which must implement `Serialize`, `Debug`, `Clone`, and `Default`.
///
/// # Parameters
/// - `data`: The data to be formatted into the body string.
///
/// # Returns
/// A string containing the formatted body based on the content type, such as JSON, XML, plain text, HTML, etc.
#[inline]
pub fn get_body_string<T: Serialize + Debug + Clone + Default + Display>(
&self,
data: &T,
) -> String {
match self {
Self::ApplicationJson => Self::get_application_json(data),
Self::ApplicationXml => Self::get_application_xml(data),
Self::TextPlain => Self::get_text_plain(data),
Self::TextHtml => Self::get_text_html(data),
Self::FormUrlEncoded => Self::get_form_url_encoded(data),
Self::Unknown => Self::get_binary(data),
}
}
}
impl FromStr for ContentType {
type Err = ();
#[inline]
fn from_str(data: &str) -> Result<Self, Self::Err> {
match data {
_data if _data.eq_ignore_ascii_case(APPLICATION_JSON) => Ok(Self::ApplicationJson),
_data if _data.eq_ignore_ascii_case(APPLICATION_XML) => Ok(Self::ApplicationXml),
_data if _data.eq_ignore_ascii_case(TEXT_PLAIN) => Ok(Self::TextPlain),
_data if _data.eq_ignore_ascii_case(TEXT_HTML) => Ok(Self::TextHtml),
_data if _data.eq_ignore_ascii_case(FORM_URLENCODED) => Ok(Self::FormUrlEncoded),
_ => Ok(Self::Unknown),
}
}
}
impl Default for ContentType {
#[inline]
fn default() -> Self {
Self::Unknown
}
}