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Generalize http fetch (#488)

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* Generalize http fetch

- allow bytes as request body
- expose request and response headers in API
- update http example to show response headers and allow POST requests

* clippy fixes

* add missing comment, pub

* doc comment fix

* fix: missing argument when feature syntect not enabled

* formatting fixes

Co-authored-by: Emil Ernerfeldt <emil.ernerfeldt@gmail.com>

* remove commented out code

Co-authored-by: Emil Ernerfeldt <emil.ernerfeldt@gmail.com>

* formatting fixes

Co-authored-by: Emil Ernerfeldt <emil.ernerfeldt@gmail.com>

* cargo fmt

Co-authored-by: Emil Ernerfeldt <emil.ernerfeldt@gmail.com>
This commit is contained in:
skuzins
2021-08-15 10:56:46 -04:00
committed by GitHub
parent eefc56c213
commit 6a8a93e120
4 changed files with 194 additions and 80 deletions
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47
epi/src/lib.rs
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@@ -377,34 +377,50 @@ pub const APP_KEY: &str = "app";
///
/// You must enable the "http" feature for this.
pub mod http {
/// A simple http requests.
use std::collections::BTreeMap;
/// A simple http request.
pub struct Request {
/// "GET", …
pub method: String,
/// https://…
pub url: String,
/// x-www-form-urlencoded body
pub body: String,
/// The raw bytes.
pub body: Vec<u8>,
/// ("Accept", "*/*"), …
pub headers: BTreeMap<String, String>,
}
impl Request {
/// Create a `GET` requests with the given url.
pub fn create_headers_map(headers: &[(&str, &str)]) -> BTreeMap<String, String> {
headers
.iter()
.map(|e| (e.0.to_owned(), e.1.to_owned()))
.collect()
}
/// Create a `GET` request with the given url.
#[allow(clippy::needless_pass_by_value)]
pub fn get(url: impl ToString) -> Self {
Self {
method: "GET".to_owned(),
url: url.to_string(),
body: "".to_string(),
body: vec![],
headers: Request::create_headers_map(&[("Accept", "*/*")]),
}
}
/// Create a `POST` requests with the give url and body.
/// Create a `POST` request with the given url and body.
#[allow(clippy::needless_pass_by_value)]
pub fn post(url: impl ToString, body: impl ToString) -> Self {
Self {
method: "POST".to_owned(),
url: url.to_string(),
body: body.to_string(),
body: body.to_string().into_bytes(),
headers: Request::create_headers_map(&[
("Accept", "*/*"),
("Content-Type", "text/plain; charset=utf-8"),
]),
}
}
}
@@ -419,18 +435,21 @@ pub mod http {
pub status: u16,
/// Status text (e.g. "File not found" for status code `404`).
pub status_text: String,
/// Content-Type header, or empty string if missing.
pub header_content_type: String,
/// The raw bytes.
pub bytes: Vec<u8>,
/// UTF-8 decoded version of bytes.
/// ONLY if `header_content_type` starts with "text" and bytes is UTF-8.
pub text: Option<String>,
pub headers: BTreeMap<String, String>,
}
impl Response {
pub fn text(&self) -> Option<String> {
String::from_utf8(self.bytes.clone()).ok()
}
pub fn content_type(&self) -> Option<String> {
self.headers.get("content-type").cloned()
}
}
/// Possible errors does NOT include e.g. 404, which is NOT considered an error.
pub type Error = String;
}