cdumay_http_client 0.3.2

A library to call remote web application
Documentation 
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use std::collections::HashMap;

use reqwest::header::HeaderMap;
use reqwest::Url;

use crate::ClientError;

pub fn merge_headers(h1: &HeaderMap, h2: Option<HeaderMap>) -> HeaderMap {
    let mut headers = h1.clone();
    if let Some(additional_headers) = h2 {
        headers.extend(additional_headers);
    }
    headers
}

pub fn build_url(root: &Url, path: String, params: Option<HashMap<String, String>>) -> Result<Url, ClientError> {
    let mut url = root.clone();
    let spath: Vec<&str> = path.split("/").filter(|part| part.len() != 0).collect();
    url.path_segments_mut()
        .map_err(|err| { ClientError::ParseError(format!("Cannot be base: {:?}", err)) })?
        .extend(&spath);

    if let Some(data) = params {
        for (key, value) in data.iter() {
            url.query_pairs_mut().append_pair(key, value);
        }
    }
    Ok(url)
}