mastodon API rust lib elefren, fixed and updated. and also all ASYNC! NB. most examples are now wrong.
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elefren-fork/src/apps.rs

235 lines
6.4 KiB

use std::borrow::Cow;
use try_from::TryInto;
use errors::{Error, Result};
use scopes::Scopes;
/// Represents an application that can be registered with a mastodon instance
#[derive(Clone, Debug, Default, Serialize, PartialEq)]
pub struct App {
client_name: String,
redirect_uris: String,
scopes: Scopes,
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#[serde(skip_serializing_if = "Option::is_none")]
website: Option<String>,
}
impl App {
/// Get an AppBuilder object
///
/// # Example
///
/// ```
/// # extern crate elefren;
/// use elefren::apps::App;
///
/// let mut builder = App::builder();
/// ```
pub fn builder<'a>() -> AppBuilder<'a> {
AppBuilder::new()
}
/// Retrieve the list of scopes that apply to this App
///
/// # Example
///
/// ```
/// # extern crate elefren;
/// # use elefren::Error;
/// use elefren::{apps::App, scopes::Scopes};
///
/// # fn main() -> Result<(), Error> {
/// let mut builder = App::builder();
/// builder.client_name("elefren-test");
/// let app = builder.build()?;
/// let scopes = app.scopes();
/// assert_eq!(scopes, &Scopes::read_all());
/// # Ok(())
/// # }
/// ```
pub fn scopes(&self) -> &Scopes {
&self.scopes
}
}
/// Builder struct for defining your application.
/// ```
/// use elefren::apps::App;
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/// use std::error::Error;
///
/// # fn main() -> Result<(), Box<Error>> {
/// let mut builder = App::builder();
/// builder.client_name("elefren_test");
/// let app = builder.build()?;
/// # Ok(())
/// # }
/// ```
#[derive(Clone, Debug, Default, PartialEq, Serialize)]
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pub struct AppBuilder<'a> {
client_name: Option<Cow<'a, str>>,
redirect_uris: Option<Cow<'a, str>>,
scopes: Option<Scopes>,
website: Option<Cow<'a, str>>,
}
impl<'a> AppBuilder<'a> {
/// Creates a new AppBuilder object
pub fn new() -> Self {
Default::default()
}
/// Name of the application. Will be displayed when the user is deciding to
/// grant permission.
///
/// In order to turn this builder into an App, this needs to be provided
pub fn client_name<I: Into<Cow<'a, str>>>(&mut self, name: I) -> &mut Self {
self.client_name = Some(name.into());
self
}
/// Where the user should be redirected after authorization
///
/// If none is specified, the default is `urn:ietf:wg:oauth:2.0:oob`
pub fn redirect_uris<I: Into<Cow<'a, str>>>(&mut self, uris: I) -> &mut Self {
self.redirect_uris = Some(uris.into());
self
}
/// Permission scope of the application.
///
/// IF none is specified, the default is Scopes::read_all()
pub fn scopes(&mut self, scopes: Scopes) -> &mut Self {
self.scopes = Some(scopes);
self
}
/// URL to the homepage of your application.
pub fn website<I: Into<Cow<'a, str>>>(&mut self, website: I) -> &mut Self {
self.website = Some(website.into());
self
}
/// Attempts to convert this build into an `App`
///
/// Will fail if no `client_name` was provided
pub fn build(self) -> Result<App> {
Ok(App {
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client_name: self
.client_name
.ok_or_else(|| Error::MissingField("client_name"))?
.into(),
redirect_uris: self
.redirect_uris
.unwrap_or_else(|| "urn:ietf:wg:oauth:2.0:oob".into())
.into(),
scopes: self.scopes.unwrap_or_else(|| Scopes::read_all()),
website: self.website.map(|s| s.into()),
})
}
}
impl TryInto<App> for App {
type Err = Error;
fn try_into(self) -> Result<App> {
Ok(self)
}
}
impl<'a> TryInto<App> for AppBuilder<'a> {
type Err = Error;
fn try_into(self) -> Result<App> {
Ok(self.build()?)
}
}
#[cfg(test)]
mod tests {
use super::*;
#[test]
fn test_app_builder() {
let builder = App::builder();
assert_eq!(builder, AppBuilder::new());
}
#[test]
fn test_app_scopes() {
let mut builder = App::builder();
builder.client_name("test").scopes(Scopes::all());
let app = builder.build().expect("Couldn't build App");
assert_eq!(app.scopes(), &Scopes::all());
}
#[test]
fn test_app_builder_all_methods() {
let mut builder = AppBuilder::new();
builder.client_name("foo-test");
builder.redirect_uris("http://example.com");
builder.scopes(Scopes::read_all() | Scopes::write_all());
builder.website("https://example.com");
let app = builder.build().expect("Couldn't build App");
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assert_eq!(
app,
App {
client_name: "foo-test".to_string(),
redirect_uris: "http://example.com".to_string(),
scopes: Scopes::read_all() | Scopes::write_all(),
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website: Some("https://example.com".to_string()),
}
);
}
#[test]
#[should_panic]
fn test_app_builder_build_fails_if_no_client_name_1() {
App::builder().build().expect("no client-name");
}
#[test]
#[should_panic]
fn test_app_builder_build_fails_if_no_client_name_2() {
let mut builder = App::builder();
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builder
.website("https://example.com")
.redirect_uris("https://example.com")
.scopes(Scopes::all());
builder.build().expect("no client-name");
}
#[test]
fn test_app_try_into_app() {
let app = App {
client_name: "foo-test".to_string(),
redirect_uris: "http://example.com".to_string(),
scopes: Scopes::all(),
website: None,
};
let expected = app.clone();
let result = app.try_into().expect("Couldn't make App into App");
assert_eq!(expected, result);
}
#[test]
fn test_app_builder_try_into_app() {
let mut builder = App::builder();
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builder
.client_name("foo-test")
.redirect_uris("http://example.com")
.scopes(Scopes::all());
let expected = App {
client_name: "foo-test".to_string(),
redirect_uris: "http://example.com".to_string(),
scopes: Scopes::all(),
website: None,
};
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let result = builder
.try_into()
.expect("Couldn't make AppBuilder into App");
assert_eq!(expected, result);
}
}