initial git dump

turnerbund/:w

@@ -0,0 +1,231 @@
+use tracing_subscriber::prelude::*;
+use tracing_subscriber::{fmt, EnvFilter};
+pub use tracing::{error, warn, info, debug, trace};
+
+#[cfg(feature="disabled")]
+mod disabled {
+
+//mod select;
+//use select::WeightedSet;
+mod api;
+mod utils;
+mod id;
+mod user;
+
+use tracing_subscriber::prelude::*;
+use tracing_subscriber::{fmt, EnvFilter};
+pub use tracing::{error, warn, info, debug, trace};
+
+use rand::prelude::*;
+use std::collections::HashSet;
+use std::collections::HashMap;
+
+#[derive(Debug, thiserror::Error)]
+pub enum NoError {}
+
+#[derive(Debug, Clone, Copy, Eq, Hash, PartialEq, PartialOrd, Ord)]
+struct UserID(u128);
+
+impl std::fmt::Display for UserID {
+    fn fmt(&self, f: &mut std::fmt::Formatter<'_>) -> std::fmt::Result {
+        write!(f, "UserID({})", self.0)
+    }
+}
+
+#[derive(Default)]
+struct Participants(Vec<(UserID, usize)>);
+
+trait Event {
+    fn registered(&self, uid: UserID) -> bool;
+    fn participated(&self, uid: UserID) -> bool { self.registered(uid) }
+}
+
+#[derive(Clone)]
+struct MockEvent {
+    id: usize,
+    users: HashMap<UserID, bool>,
+}
+
+impl MockEvent {
+    fn new(id: usize, registrants: HashSet<UserID>, participants: HashSet<UserID>) -> Self {
+        let users = registrants.into_iter()
+            .map(|uid| (uid, participants.contains(&uid)))
+            .collect();
+        Self { id, users }
+    }
+}
+
+impl std::fmt::Display for MockEvent {
+    fn fmt(&self, f: &mut std::fmt::Formatter<'_>) -> std::fmt::Result {
+        write!(f, "MockEvent{}({:?})", self.id, self.users)
+    }
+}
+
+impl Event for &MockEvent {
+    fn registered(&self, uid: UserID) -> bool {
+        self.users.get(&uid).is_some()
+    }
+
+    fn participated(&self, uid: UserID) -> bool {
+        self.users.get(&uid).is_some_and(|participated|*participated)
+    }
+}
+
+impl Participants {
+    pub fn add(mut self, uid: UserID) -> Self {
+        self.0.push((uid, 1));
+        self
+    }
+
+    pub fn select<H>(mut self, history: H, rng: &mut impl Rng, count: usize)
+        -> HashSet<UserID>
+    where
+        H: Iterator,
+        <H as Iterator>::Item: Event,
+    {
+        for event in history {
+            let mut modified = false;
+            for item in self.0.iter_mut() {
+                if event.registered(item.0) && !event.participated(item.0) {
+                    modified = true;
+                    item.1 += 1;
+                }
+            } 
+            if !modified {
+                break;
+            }
+        }
+
+        println!("{:?}", self.0);
+
+        self.0.sample_weighted(rng, count, |item: &'_ (_, usize)| item.1 as f64)
+            .unwrap()
+            .map(|item| item.0)
+            .collect()
+    }
+}
+
+async fn connect<'a, I: spond::auth::Identifier + From<&'a str>>(id: &'a str) -> Result<spond::Api, spond::error::Api> {
+    let pw = std::env::var("SPOND_PASSWORD").expect("a password is required in SPOND_PASSWORD");
+    let id: I = id.into();
+    let auth = spond::auth::Login::new(id, pw);
+    let client = spond::Api::new(auth).await?;
+    Ok(client)
+}
+
+async fn main() -> anyhow::Result<()> {
+    let filter = EnvFilter::try_from_default_env()
+        .unwrap_or_else(|_| EnvFilter::new("info"));
+    tracing_subscriber::registry()
+        .with(fmt::layer().pretty())
+        .with(filter)
+        .init();
+
+    error!("Error Message");
+    warn!("Warn Message");
+    info!("Info Message");
+    debug!("Debug Message");
+    trace!("Trace Message");
+
+    let client = if let Ok(email) = std::env::var("SPOND_EMAIL") {
+        connect::<spond::auth::Email>(&email).await?
+    } else if let Ok(phone) = std::env::var("SPOND_PHONE") {
+        connect::<spond::auth::Phone>(&phone).await?
+    } else {
+        panic!("no credentials provided");
+    };
+
+    let _ = client;
+
+
+    let users = (0..25).map(UserID).collect::<Vec<UserID>>();
+    let mut events = Vec::new();
+
+    for id in 0..5 {
+        let mut rng = rand::rng();
+        let want = users.iter().filter(|_| (&mut rng).random_bool(0.75)).map(|id|id.clone()).collect::<HashSet<UserID>>();
+
+        let mut participants = Participants::default();
+        for uid in want.iter() {
+            participants = participants.add(*uid);
+        }
+
+        let participants = participants.select(events.iter().rev(), &mut rng, 12);
+        let event = MockEvent::new(id, want, participants);
+        println!("{event}");
+        events.push(event);
+    }
+
+    for uid in users.into_iter() {
+        let (registered, participated) = events.iter()
+            .fold((0, 0), |(registered, participated), event| {
+                let registered = registered + if event.registered(uid) { 1 } else { 0 };
+                let participated = participated + if event.participated(uid) { 1 } else { 0 };
+                (registered, participated)
+            });
+
+        println!("{uid}: ({participated}/{registered}) {:.2}%",
+            (participated as f64) / (registered as f64) * 100f64);
+    }
+
+    Ok(())
+}
+}
+
+fn tracing_setup(filter: &str) {
+    let filter = EnvFilter::try_from_default_env()
+        .unwrap_or_else(|_| EnvFilter::new(filter));
+
+    tracing_subscriber::registry()
+        .with(fmt::layer().pretty())
+        .with(filter)
+        .init();
+}
+
+async fn connect<A: spond::traits::client::Authenticator + Sync, C: spond::traits::authentication::login::Credentials + Sync>(authenticator: A, credentials: C) -> Result<A::Private, spond::error::api::Public<<A as spond::traits::client::Public>::Error, <spond::authentication::Tokens as spond::traits::Schema<C>>::Error>> {
+    let auth = spond::authentication::Login;
+
+    authenticator.authenticate(&auth, &credentials).await
+}
+
+#[derive(serde::Deserialize)]
+struct Spond()
+
+#[derive(serde::Deserialize)]
+struct Sponds(Vec<Spond>);
+
+impl spond::traits::endpoint::Private<SpondsQuery> for Sponds {
+    const METHOD: spond::Method = spond::Method::GET;
+    type Schema = Self;
+
+    fn path(&self, _: &SpodsW
+}
+
+#[derive(serde::Seralize)]
+struct SpondsQuery;
+
+#[tokio::main]
+async fn main() {
+    tracing_setup("info");
+
+    #[cfg(feature="disabled")]
+    disabled::main().await;
+
+    error!("Error Message");
+    warn!("Warn Message");
+    info!("Info Message");
+    debug!("Debug Message");
+    trace!("Trace Message");
+
+    let pw = std::env::var("SPOND_PASSWORD").expect("a password is required in SPOND_PASSWORD");
+    let client = spond::reqwest::Public::new().expect("public client");
+    let client = if let Ok(email) = std::env::var("SPOND_EMAIL") {
+        connect(client, spond::authentication::login::Email::new(&email, &pw)).await
+    } else if let Ok(phone) = std::env::var("SPOND_PHONE") {
+        connect(client, spond::authentication::login::Phone::new(&phone, &pw)).await
+    } else {
+        panic!("no credentials provided");
+    };
+
+    let _ = client.execute(;
+}

turnerbund/Cargo.toml

@@ -0,0 +1,25 @@
+[package]
+name = "turnerbund"
+version = "0.1.0"
+edition = "2024"
+
+[features]
+disabled=[]
+
+[dependencies]
+spond = { path = "../api", features = [ "reqwest" ] }
+anyhow = "1.0.101"
+async-trait = "0.1.89"
+bon = "3.9.0"
+chrono = { version = "0.4.43", features = ["serde"] }
+http = "1.4.0"
+rand = "0.10.0"
+#reqwest = { version = "0.13.2", features = ["json", "zstd", "brotli", "gzip", "deflate"] }
+reqwest-middleware = { version = "0.5.1", features = ["json", "http2"] }
+serde = { version = "1.0.228", features = ["derive"] }
+serde_json = "1.0.149"
+thiserror = "2.0.18"
+tokio = { version = "1.49.0", features = ["macros", "rt-multi-thread", "tracing"] }
+tracing = { version = "0.1.44", features = ["log"] }
+tracing-subscriber = { version = "0.3.22", features = ["serde", "json", "tracing", "env-filter", "chrono"] }
+url = "2.5.8"

turnerbund/src/api/api.rs

@@ -0,0 +1,201 @@
+use super::{
+    Request,
+    error,
+    token,
+    auth,
+};
+use crate::utils::Bool;
+
+#[async_trait::async_trait]
+trait Interface {
+    fn client(&self) -> &reqwest::Client;
+    fn url(&self, endpoint: &str) -> Result<reqwest::Url, url::ParseError>;
+    fn current_token(&self) -> Option<std::sync::Arc<token::Token>>;
+    async fn refresh_token(&self, api: Api) -> Result<Option<std::sync::Arc<token::Token>>, error::Token>;
+}
+
+#[derive(Debug)]
+struct Internal<T: token::Provider> {
+    client: reqwest::Client,
+    base: reqwest::Url,
+    token_provider: T,
+}
+
+impl<T: token::Provider> Internal<T> {
+    fn new(client: reqwest::Client, base: reqwest::Url, token_provider: T)
+        -> std::sync::Arc<Self> {
+        std::sync::Arc::new(Self { client, base, token_provider })
+    }
+
+    #[tracing::instrument(skip_all, fields(endpoint=request.endpoint(), request, token))]
+    async fn call<R: Request + Sized>(&self, request: &R, token: Option<&token::Token>) -> Result<R::Response, error::Api>
+    {
+        let url = self.base.join(request.endpoint()).map_err(error::Api::Url)?;
+        let builder = self.client.request(R::METHOD, url);
+        let builder = if let Some(token) = token {
+            token.r#use(builder)
+        } else {
+            builder
+        };
+    
+        let response = builder.json(request)
+            .send()
+            .await
+            .map_err(error::Api::Reqwest)?;
+    
+        match response.status() {
+            reqwest::StatusCode::OK => (),
+            status => return Err(error::Api::Http(status)),
+        }
+        let result: R::Response = response.json().await?;
+        Ok(result)
+    }
+}
+
+async fn deserialize<R: Request>(response: reqwest::Response) -> Result<R::Response, error::Api>
+{
+    let response: R::Response = response.json().await.map_err(error::Api::Reqwest)?;
+    Ok(response)
+}
+
+#[tracing::instrument(skip_all, fields(url, request, token))]
+async fn call<R: Request>(client: &reqwest::Client, url: reqwest::Url, request: &R, token: Option<&token::Token>) -> Result<R::Response, error::Api> {
+    let builder = client.request(R::METHOD, url);
+    let builder = if let Some(token) = token {
+        builder.bearer_auth(token.as_ref())
+    } else {
+        builder
+    };
+    let response = builder.json(request)
+        .send()
+        .await
+        .map_err(error::Api::Reqwest)?;
+
+    match response.status() {
+        reqwest::StatusCode::OK =>
+            deserialize::<R>(response).await,
+        status => Err(error::Api::Http(status)),
+    }
+}
+
+#[async_trait::async_trait]
+impl<T: token::Provider> Interface for Internal<T> {
+    fn client(&self) -> &reqwest::Client {
+        &self.client
+    }
+
+    fn url(&self, endpoint: &str) -> Result<reqwest::Url, url::ParseError> {
+        self.base.join(endpoint)
+    }
+
+    fn current_token(&self) -> Option<std::sync::Arc<token::Token>> {
+        self.token_provider.current()
+    }
+
+    async fn refresh_token(&self, api: Api) -> Result<Option<std::sync::Arc<token::Token>>, error::Token> {
+        self.token_provider.refresh(api).await
+    }
+}
+
+#[derive(Debug)]
+struct NoToken;
+
+#[async_trait::async_trait]
+impl token::Provider for NoToken {
+    fn current(&self) -> Option<std::sync::Arc<token::Token>> {
+        None
+    }
+
+    async fn refresh(&self, _api: Api) -> Result<Option<std::sync::Arc<token::Token>>, error::Token> {
+        Ok(None)
+    }
+}
+
+#[derive(Clone)]
+pub struct Api(std::sync::Arc<dyn Interface + Sync + Send>);
+
+impl Api {
+    pub async fn new<A: auth::Provider>(auth: A) -> Result<Self, error::Api>
+    {
+        Self::new_with_base("https://api.spond.com", auth).await
+    }
+
+    pub async fn new_with_base<A: auth::Provider>(base: &str, auth: A) -> Result<Self, error::Api> {
+        let base = reqwest::Url::parse(base)?;
+        let host = base.host_str().unwrap().to_owned();
+
+        let client = reqwest::Client::builder()
+            //.https_only(true)
+            .redirect(reqwest::redirect::Policy::limited(1))
+            .retry(reqwest::retry::for_host(host)
+                .max_retries_per_request(2)
+                .classify_fn(|req_rep| {
+                    use reqwest::StatusCode;
+                    match req_rep.status() {
+                        Some(StatusCode::UNAUTHORIZED) => req_rep.retryable(),
+                        _ => req_rep.success(),
+                    }
+                }))
+            // TODO
+            //.cookie_store(true)
+            .user_agent("spond-selection-bot")
+            .read_timeout(std::time::Duration::from_secs(5))
+            .connect_timeout(std::time::Duration::from_secs(15))
+            .connection_verbose(true)
+            .build()?;
+
+        let api = Api(Internal::new(client.clone(), base.clone(), NoToken));
+        let provider = auth.authenticate(api).await?;
+
+        tracing::info!("{:?}", provider);
+        let api = Api(Internal::new(client, base, provider));
+        Ok(api)
+    }
+
+
+    pub async fn call<R: Request + Sized>(&self, request: &R) -> Result<R::Response, error::Api>
+    {
+        //async fn call<C: Call + ?Sized>(&self, api: &Api, call: &C, request: &C::Request) -> Result<C::Response, error::Call::<C>> {
+        //    let mut token = self.token_provider.current();
+        //    loop {
+        //        match self.common.call(call, request, &token) {
+        //            Err(error::Call::<C>::Http(reqwest::StatusCode::UNAUTHORIZED)) if token.is_some_and(|token|token.expired())
+        //                => token = self.token_provider.refresh(api).map_err(error::Call::<C>::Token)?,
+        //            result => return result,
+        //        }
+        //    }
+        //}
+
+        let client = self.0.client();
+    
+        if R::Authorization::VALUE == false {
+            let url = self.0.url(request.endpoint())?;
+            call(client, url, request, None).await
+        } else {
+            let mut current = self.0.current_token();
+            loop {
+                use std::ops::Deref;
+                let token = if let Some(ref token) = current {
+                    Some(token.deref())
+                } else {
+                    None
+                };
+                let url = self.0.url(request.endpoint())?;
+                current = match call(client, url, request, token).await {
+                    Err(error::Api::Http(reqwest::StatusCode::UNAUTHORIZED)) if current.is_some_and(|t|t.expired())
+                        => self.0.refresh_token(self.clone()).await?,
+                    result => break result,
+                }
+            }
+        }
+    }
+}
+
+#[cfg(test)]
+mod test {
+    use super::*;
+
+    #[tokio::test]
+    async fn mock() {}
+}
+

turnerbund/src/api/auth.rs

@@ -0,0 +1,185 @@
+use async_trait::async_trait;
+use thiserror::Error;
+use crate::utils::False;
+
+use super::{
+    Request,
+    error,
+};
+
+use serde::{
+    Deserialize,
+    Serialize,
+    Serializer,
+    ser::SerializeStruct,
+};
+
+#[derive(Debug, Error)]
+pub enum Error {
+    //#[error(transparent)]
+    //Provider(P)
+    #[error("invalid credentials")]
+    Credentials,
+}
+
+#[async_trait]
+pub trait Provider {
+    type TokenProvider: super::token::Provider + 'static;
+
+    async fn authenticate(&self, api: super::Api) -> Result<Self::TokenProvider, error::Api>;
+}
+
+pub trait Identifier: Sync + Send + Serialize + std::fmt::Debug {
+    const KEY: &'static str;
+}
+
+macro_rules! transparent_identifier {
+    ($name:ident, $key:expr) => {
+        transparent_string!($name);
+
+        impl Identifier for $name {
+            const KEY: &'static str = $key;
+        }
+    };
+}
+
+macro_rules! transparent_string {
+    ($name:ident) => {
+        #[derive(Debug, Clone, PartialEq, Eq, Hash, Serialize, Deserialize)]
+        #[serde(transparent)]
+        pub struct $name(String);
+
+        impl From<&str> for $name {
+            fn from(s: &str) -> Self {
+                s.to_string().into()
+            }
+        }
+
+        impl From<String> for $name {
+            fn from(s: String) -> Self {
+                Self(s)
+            }
+        }
+
+        impl<'a> From<&'a $name> for &'a str {
+            fn from(id: &'a $name) -> Self {
+                &id.0
+            }
+        }
+
+        impl From<$name> for String {
+            fn from(id: $name) -> Self {
+                id.0
+            }
+        }
+    };
+}
+
+transparent_string!(Password);
+transparent_identifier!(Email, "email");
+transparent_identifier!(Phone, "phone");
+
+#[derive(Debug)]
+pub struct Login<I: Identifier> {
+    identifier: I,
+    password: Password,
+}
+
+impl<I: Identifier> Login<I> {
+    pub fn new<P: Into<Password>>(identifier: I, password: P) -> Self {
+        Self {
+            identifier: identifier,
+            password: password.into(),
+        }
+    }
+}
+
+impl<I: Identifier> Serialize for Login<I> {
+    fn serialize<S: Serializer>(&self, serializer: S) -> Result<S::Ok, S::Error> {
+        let mut state = serializer.serialize_struct("Login", 2)?;
+        state.serialize_field(I::KEY, &self.identifier)?;
+        state.serialize_field("password", &self.password)?;
+        state.end()
+    }
+}
+
+#[async_trait]
+impl<I: Identifier> Provider for Login<I> {
+    type TokenProvider = TokenProvider;
+
+    async fn authenticate(&self, api: super::Api) -> Result<Self::TokenProvider, error::Api> {
+        Ok(api.call(self).await?.into())
+        //todo!("implement me")
+    }
+}
+
+#[derive(Debug, Deserialize)]
+#[serde(rename_all = "camelCase")]
+pub struct Tokens {
+    access_token: super::token::Token,
+    refresh_token: super::token::Token,
+}
+
+#[derive(Debug)]
+pub struct TokenProvider {
+    access: std::sync::RwLock<std::sync::Arc<super::token::Token>>, 
+    refresh: std::sync::Mutex<super::token::Token>,
+}
+
+impl From<Tokens> for TokenProvider {
+    fn from(tokens: Tokens) -> Self {
+        use std::sync::{Mutex,RwLock, Arc};
+        Self {
+            access: RwLock::new(Arc::new(tokens.access_token)),
+            refresh: Mutex::new(tokens.refresh_token),
+        }
+    }
+}
+
+#[async_trait::async_trait]
+impl super::token::Provider for TokenProvider {
+    fn current(&self) -> Option<std::sync::Arc<super::token::Token>> {
+        Some(self.access.read().ok()?.clone())
+    }
+
+    async fn refresh(&self, api: super::Api) -> Result<Option<std::sync::Arc<super::token::Token>>, super::error::Token> {
+        // TODO
+        let _ = api;
+        Err(super::error::Token::Expired(chrono::TimeDelta::seconds(-5)))
+    }
+}
+
+impl<I: Identifier> Request for Login<I> {
+    const METHOD: super::reqwest::Method = super::reqwest::Method::POST;
+    type Response = Tokens;
+    type Authorization = False;
+
+    fn endpoint(&self) -> &str {
+        "core/v1/auth2/login"
+    }
+} 
+
+
+#[cfg(test)]
+mod test {
+    mod serialize {
+        use super::super::*;
+        use serde_json;
+
+        #[test]
+        fn email_login() {
+            let login = Login::<Email>::new("user@spond.com", "secret");
+
+            let json = serde_json::to_string(&login).unwrap();
+            assert_eq!(json, r#"{"email":"user@spond.com","password":"secret"}"#)
+        }
+
+        #[test]
+        fn phone_login() {
+            let login = Login::<Phone>::new("+1234567890", "secret");
+
+            let json = serde_json::to_string(&login).unwrap();
+            assert_eq!(json, r#"{"phone":"+1234567890","password":"secret"}"#)
+        }
+    }
+}

turnerbund/src/api/endpoint/mod.rs

@@ -0,0 +1,24 @@
+use serde::{Serialize, Deserialize};
+
+pub trait Method {
+    const HTTP: http::Method;
+}
+
+macro_rules! method {
+    ($name:ident) => {
+        struct $name;
+
+        impl Method for $name {
+            const HTTP = http::Method::$name;
+        }
+    };
+}
+
+method!(GET);
+method!(POST);
+
+pub trait Endpoint<M: Method>: Serialize {
+    type Result: Deserialize;
+
+    fn path(&self) -> &str;
+}

turnerbund/src/api/error.rs

@@ -0,0 +1,29 @@
+pub trait Error: std::error::Error + std::fmt::Debug + Send + Sync + 'static {}
+impl <E: std::error::Error + std::fmt::Debug + Send + Sync + 'static> Error for E {}
+
+#[derive(Debug, thiserror::Error)]
+pub enum Api {
+    #[error("reqwest")]
+    Reqwest(#[from] reqwest::Error),
+
+    #[error("encode")]
+    Encode(serde_json::Error),
+
+    #[error("decode")]
+    Decode(serde_json::Error),
+
+    #[error("url")]
+    Url(#[from] url::ParseError),
+
+    #[error("token")]
+    Token(#[from] Token),
+
+    #[error("http")]
+    Http(reqwest::StatusCode),
+}
+
+#[derive(Debug, thiserror::Error)]
+pub enum Token {
+    #[error("expired token")]
+    Expired(chrono::TimeDelta),
+}

turnerbund/src/api/mod.rs

@@ -0,0 +1,32 @@
+pub mod auth;
+pub mod token;
+pub mod error;
+pub mod request;
+mod api;
+pub use api::Api;
+pub use request::{
+    Request,
+};
+
+use reqwest_middleware::reqwest;
+
+#[derive(Debug, thiserror::Error)]
+pub enum Error<Auth: std::error::Error + Send + Sync + 'static> {
+    #[error("unspecified")]
+    Unspecified,
+
+    #[error("reqwest error")]
+    Reqwest(#[from] reqwest::Error),
+
+    #[error("middleware error")]
+    Middleware(anyhow::Error),
+
+    #[error("url parser error")]
+    UrlParseError(#[from] url::ParseError),
+
+    #[error("http status code")]
+    Http(reqwest::StatusCode),
+
+    #[error(transparent)]
+    Custom(Auth)
+}

turnerbund/src/api/request.rs

@@ -0,0 +1,13 @@
+use crate::utils::Bool;
+
+trait Authorization: Bool {}
+
+impl<T: Bool> Authorization for T {}
+
+pub trait Request: Sized + std::fmt::Debug + serde::Serialize {
+    const METHOD: reqwest::Method = reqwest::Method::GET;
+    type Authorization: Authorization;
+    type Response: for<'a> serde::Deserialize<'a> + Sized;
+
+    fn endpoint(&self) -> &str;
+}

turnerbund/src/api/token.rs

@@ -0,0 +1,38 @@
+use async_trait::async_trait;
+
+#[derive(Debug, Clone, serde::Deserialize)]
+pub struct Token {
+    token: String,
+    expiration: chrono::DateTime<chrono::Utc>,
+}
+
+impl AsRef<str> for Token {
+    fn as_ref(&self) -> &str {
+        &self.token
+    }
+}
+
+impl Token {
+    pub fn expired(&self) -> bool {
+        self.expiration < chrono::Utc::now()
+    }
+
+    pub fn expired_in(&self, offset: chrono::TimeDelta) -> bool {
+        self.time_delta() < offset
+    }
+
+    pub fn time_delta(&self) -> chrono::TimeDelta {
+        self.expiration - chrono::Utc::now()
+    }
+
+    pub fn r#use(&self, builder: reqwest::RequestBuilder) -> reqwest::RequestBuilder {
+        builder.bearer_auth(&self.token)
+    }
+}
+
+#[async_trait]
+pub trait Provider: std::fmt::Debug + Send + Sync {
+    fn current(&self) -> Option<std::sync::Arc<Token>>;
+
+    async fn refresh(&self, api: super::Api) -> Result<Option<std::sync::Arc<Token>>, super::error::Token>;
+}

turnerbund/src/client/mod.rs

@@ -0,0 +1,10 @@
+use reqwest_middleware::reqwest;
+use reqwest_middleware::ClientWithMiddleware as Backend;
+
+struct Client {
+    backend: Backend,
+}
+
+impl Client {
+
+}

turnerbund/src/id.rs

@@ -0,0 +1,74 @@
+use serde::{Serialize, Deserialize, Serializer, Deserializer};
+use serde::de;
+use std::fmt;
+use std::str::FromStr;
+use super::api::Api;
+
+#[derive(Debug)]
+pub enum ParseError {
+    Length(usize),
+    IntError(std::num::ParseIntError),
+}
+
+impl From<std::num::ParseIntError> for ParseError {
+    fn from(e: std::num::ParseIntError) -> Self {
+        Self::IntError(e)
+    }
+}
+
+impl fmt::Display for ParseError {
+    fn fmt(&self, f: &mut fmt::Formatter<'_>) -> fmt::Result {
+        match self {
+            Self::Length(len) => write!(f, "Id strig must be 32 characters, got {}", len),
+            Self::IntError(e) => write!(f, "{}", e),
+        }
+    }
+}
+
+pub trait Marker {
+    async fn resolve(id: Id<Self>, api: Api) -> Result<Self, super::api::error::Api>;
+}
+
+#[derive(Debug, Clone, Copy, PartialEq, Eq, Hash)]
+pub struct Id<T: Marker + ?Sized>(u128, std::marker::PhantomData<T>);
+
+impl<T: Marker> Id<T> {
+    pub fn new(value: u128) -> Self {
+        Self(value, std::marker::PhantomData)
+    }
+
+    pub fn value(&self) -> u128 {
+        self.0
+    }
+}
+
+impl<T: Marker> fmt::Display for Id<T> {
+    fn fmt(&self, f: &mut fmt::Formatter<'_>) -> fmt::Result {
+        write!(f, "{:032X}", self.0)
+    }
+}
+
+impl<T: Marker> FromStr for Id<T> {
+    type Err = ParseError;
+
+    fn from_str(s: &str) -> Result<Self, Self::Err> {
+        match s.len() {
+            32 => Ok(Self::new(u128::from_str_radix(s, 16)?)),
+            len => Err(ParseError::Length(len)),
+        }
+    }
+}
+
+impl<T: Marker> Serialize for Id<T> {
+    fn serialize<S: Serializer>(&self, serializer: S) -> Result<S::Ok, S::Error> {
+        serializer.serialize_str(&self.to_string())
+    }
+}
+
+impl<'de, T: Marker> Deserialize<'de> for Id<T> {
+    fn deserialize<D: Deserializer<'de>>(deserializer: D) -> Result<Self, D::Error> {
+        String::deserialize(deserializer)?
+            .parse()
+            .map_err(de::Error::custom)
+    }
+}

turnerbund/src/main.rs

@@ -0,0 +1,51 @@
+use tracing_subscriber::prelude::*;
+use tracing_subscriber::{fmt, EnvFilter};
+pub use tracing::{error, warn, info, debug, trace};
+
+fn tracing_setup(filter: &str) {
+    let filter = EnvFilter::try_from_default_env()
+        .unwrap_or_else(|_| EnvFilter::new(filter));
+
+    tracing_subscriber::registry()
+        .with(fmt::layer().pretty())
+        .with(filter)
+        .init();
+}
+
+async fn connect<A: spond::traits::client::Authenticator + Sync, C: spond::traits::authentication::login::Credentials + Sync>(authenticator: A, credentials: C) -> Result<A::Private, spond::error::api::Public<<A as spond::traits::client::Public>::Error, <spond::authentication::Tokens as spond::traits::Schema<C>>::Error>> {
+    let auth = spond::authentication::Login;
+
+    authenticator.authenticate(&auth, &credentials).await
+}
+
+#[tokio::main]
+async fn main() -> anyhow::Result<()> {
+    tracing_setup("info");
+
+    #[cfg(feature="disabled")]
+    disabled::main().await;
+
+    error!("Error Message");
+    warn!("Warn Message");
+    info!("Info Message");
+    debug!("Debug Message");
+    trace!("Trace Message");
+
+    let pw = std::env::var("SPOND_PASSWORD").expect("a password is required in SPOND_PASSWORD");
+    let client = spond::reqwest::Public::new().expect("public client");
+    let client = if let Ok(email) = std::env::var("SPOND_EMAIL") {
+        connect(client, spond::authentication::login::Email::new(&email, &pw)).await
+    } else if let Ok(phone) = std::env::var("SPOND_PHONE") {
+        connect(client, spond::authentication::login::Phone::new(&phone, &pw)).await
+    } else {
+        panic!("no credentials provided");
+    }?;
+
+
+    use spond::traits::client::Private;
+
+    let _ = client.execute(&spond::schema::sponds::Sponds::default(), &spond::schema::sponds::Upcoming).await?;
+
+
+    Ok(())
+}

turnerbund/src/select.rs

@@ -0,0 +1,166 @@
+use rand::prelude::*;
+use std::collections::HashSet;
+use std::collections::HashMap;
+
+#[derive(Debug, Clone, Copy, Eq, Hash, PartialEq, PartialOrd, Ord)]
+struct UserID(u128);
+
+impl std::fmt::Display for UserID {
+    fn fmt(&self, f: &mut std::fmt::Formatter<'_>) -> std::fmt::Result {
+        write!(f, "UserID({})", self.0)
+    }
+}
+
+#[derive(Default)]
+struct Participants(Vec<(UserID, usize)>);
+
+trait Event {
+    fn registered(&self, uid: UserID) -> bool;
+    fn participated(&self, uid: UserID) -> bool { self.registered(uid) }
+}
+
+impl Participants {
+    pub fn add(mut self, uid: UserID) -> Self {
+        self.0.push((uid, 1));
+        self
+    }
+
+    pub fn select<I: Event>(mut self, history: IntoIterator<Item=I>, rng: &mut impl Rng, count: usize)
+        -> HashSet<UserID>
+    {
+        for event in history {
+            let mut modified = false;
+            for item in self.0.iter_mut() {
+                if event.registered(item.0) && !event.participated(item.0) {
+                    modified = true;
+                    item.1 += 1;
+                }
+            } 
+            if !modified {
+                break;
+            }
+        }
+
+        println!("{:?}", self.0);
+
+        self.0.sample_weighted(rng, count, |item: &'_ (_, usize)| item.1 as f64)
+            .unwrap()
+            .map(|item| item.0)
+            .collect()
+    }
+}
+
+#[cfg(feature="disabled")]
+mod disabled {
+
+//mod select;
+//use select::WeightedSet;
+
+use tracing_subscriber::prelude::*;
+use tracing_subscriber::{fmt, EnvFilter};
+pub use tracing::{error, warn, info, debug, trace};
+
+
+#[derive(Debug, thiserror::Error)]
+pub enum NoError {}
+
+
+
+#[derive(Clone)]
+struct MockEvent {
+    id: usize,
+    users: HashMap<UserID, bool>,
+}
+
+impl MockEvent {
+    fn new(id: usize, registrants: HashSet<UserID>, participants: HashSet<UserID>) -> Self {
+        let users = registrants.into_iter()
+            .map(|uid| (uid, participants.contains(&uid)))
+            .collect();
+        Self { id, users }
+    }
+}
+
+impl std::fmt::Display for MockEvent {
+    fn fmt(&self, f: &mut std::fmt::Formatter<'_>) -> std::fmt::Result {
+        write!(f, "MockEvent{}({:?})", self.id, self.users)
+    }
+}
+
+impl Event for &MockEvent {
+    fn registered(&self, uid: UserID) -> bool {
+        self.users.get(&uid).is_some()
+    }
+
+    fn participated(&self, uid: UserID) -> bool {
+        self.users.get(&uid).is_some_and(|participated|*participated)
+    }
+}
+
+async fn connect<'a, I: spond::auth::Identifier + From<&'a str>>(id: &'a str) -> Result<spond::Api, spond::error::Api> {
+    let pw = std::env::var("SPOND_PASSWORD").expect("a password is required in SPOND_PASSWORD");
+    let id: I = id.into();
+    let auth = spond::auth::Login::new(id, pw);
+    let client = spond::Api::new(auth).await?;
+    Ok(client)
+}
+
+async fn main() -> anyhow::Result<()> {
+    let filter = EnvFilter::try_from_default_env()
+        .unwrap_or_else(|_| EnvFilter::new("info"));
+    tracing_subscriber::registry()
+        .with(fmt::layer().pretty())
+        .with(filter)
+        .init();
+
+    error!("Error Message");
+    warn!("Warn Message");
+    info!("Info Message");
+    debug!("Debug Message");
+    trace!("Trace Message");
+
+    let client = if let Ok(email) = std::env::var("SPOND_EMAIL") {
+        connect::<spond::auth::Email>(&email).await?
+    } else if let Ok(phone) = std::env::var("SPOND_PHONE") {
+        connect::<spond::auth::Phone>(&phone).await?
+    } else {
+        panic!("no credentials provided");
+    };
+
+    let _ = client;
+
+
+    let users = (0..25).map(UserID).collect::<Vec<UserID>>();
+    let mut events = Vec::new();
+
+    for id in 0..5 {
+        let mut rng = rand::rng();
+        let want = users.iter().filter(|_| (&mut rng).random_bool(0.75)).map(|id|id.clone()).collect::<HashSet<UserID>>();
+
+        let mut participants = Participants::default();
+        for uid in want.iter() {
+            participants = participants.add(*uid);
+        }
+
+        let participants = participants.select(events.iter().rev(), &mut rng, 12);
+        let event = MockEvent::new(id, want, participants);
+        println!("{event}");
+        events.push(event);
+    }
+
+    for uid in users.into_iter() {
+        let (registered, participated) = events.iter()
+            .fold((0, 0), |(registered, participated), event| {
+                let registered = registered + if event.registered(uid) { 1 } else { 0 };
+                let participated = participated + if event.participated(uid) { 1 } else { 0 };
+                (registered, participated)
+            });
+
+        println!("{uid}: ({participated}/{registered}) {:.2}%",
+            (participated as f64) / (registered as f64) * 100f64);
+    }
+
+    Ok(())
+}
+}
+

turnerbund/src/select/candidate.rs

@@ -0,0 +1,48 @@
+use super::Key;
+use std::cmp::Ordering;
+
+#[derive(Debug)]
+pub struct Candidate<T> {
+    item: T,
+    key: Key,
+}
+
+impl<T> Candidate<T> {
+    pub fn new_with_key(item: T, key: Key) -> Self {
+        Self { item, key }
+    }
+
+    pub fn new<R, F, W>(item: T, rng: R, weight: W) -> Option<Self>
+    where
+        R: FnOnce() -> F,
+        F: Into<f64>,
+        W: Into<f64>,
+    {
+        Key::new(rng, weight).map(|key|Self::new_with_key(item, key))
+    }
+
+    pub fn item(self) -> T {
+        self.item
+    }
+}
+
+impl<T> Ord for Candidate<T> {
+    fn cmp(&self, other: &Self) -> Ordering {
+        // Reverse for max-heap: largest key is "greatest"
+        other.key.partial_cmp(&self.key).unwrap().reverse()
+    }
+}
+
+impl<T> PartialOrd for Candidate<T> {
+    fn partial_cmp(&self, other: &Self) -> Option<Ordering> {
+        Some(self.cmp(other))
+    }
+}
+
+impl<T> PartialEq for Candidate<T> {
+    fn eq(&self, other: &Self) -> bool {
+        self.key == other.key
+    }
+}
+
+impl<T> Eq for Candidate<T> {}

turnerbund/src/select/key.rs

@@ -0,0 +1,31 @@
+// Key newtype wrapping a f64 in the range [0.0,1.0]
+#[derive(Debug, Clone, Copy, PartialEq, PartialOrd)]
+pub struct Key(f64);
+
+impl Key {
+    pub fn new<R, F, W>(rng: R, weight: W) -> Option<Self>
+    where
+        R: FnOnce() -> F,
+        F: Into<f64>,
+        W: Into<f64>,
+    {
+        let weight = weight.into();
+
+        if weight.is_finite() && weight > 0.0 {
+            let u = -rng().into().ln();
+            Some(Key((u / weight).recip()))
+        } else {
+            None
+        }
+    }
+}
+
+impl Ord for Key {
+    fn cmp(&self, other: &Self) -> std::cmp::Ordering {
+        // we are always in range [0.0,1.0]
+        self.0.partial_cmp(&other.0).unwrap()
+    }
+}
+
+impl Eq for Key {}
+

turnerbund/src/user.rs

@@ -0,0 +1,2 @@
+struct Profile;
+struct User;

turnerbund/src/utils.rs

@@ -0,0 +1,19 @@
+trait BoolValue {}
+
+pub trait Bool: BoolValue {
+    const VALUE: bool;
+}
+
+pub struct True;
+pub struct False;
+
+impl BoolValue for True {}
+impl BoolValue for False {}
+
+impl Bool for True {
+    const VALUE: bool = true;
+}
+
+impl Bool for False {
+    const VALUE: bool = false;
+}