init streams

ccc-handlers/Cargo.toml

@@ -17,3 +17,4 @@ thiserror = { version = "2.0.0" }
 tracing = "0.1.40"
 serde_urlencoded = "0.7.1"
 phf = { version = "0.11.2", features = ["macros"] }
+chrono = { version = "0.4", features = ["serde"] }

ccc-handlers/src/lib.rs

@@ -3,3 +3,4 @@
 
 pub mod bonapp;
 pub mod github;
+pub mod streams;

ccc-handlers/src/streams.rs

@@ -0,0 +1,158 @@
+use axum::{
+	extract::Query,
+	response::{IntoResponse, Json, Response},
+	routing::get,
+	Router,
+};
+use chrono::{Duration, Utc};
+use http::StatusCode;
+use serde::{Deserialize, Serialize};
+use tracing::instrument;
+
+#[derive(Debug, Deserialize)]
+pub struct StreamParams {
+	#[serde(default)]
+	date_from: String,
+	#[serde(default)]
+	date_to: String,
+	#[serde(default = "default_sort")]
+	sort: String,
+}
+
+fn default_sort() -> String {
+	"ascending".to_string()
+}
+
+#[derive(Debug, Serialize)]
+enum QueryClass {
+	Archived,
+	Upcoming,
+}
+
+impl std::fmt::Display for QueryClass {
+	fn fmt(&self, f: &mut std::fmt::Formatter<'_>) -> std::fmt::Result {
+		match self {
+			QueryClass::Archived => write!(f, "archived"),
+			QueryClass::Upcoming => write!(f, "current"),
+		}
+	}
+}
+
+use QueryClass::*;
+
+#[inline]
+const fn get_query_base_url_and_entity(query_class: &QueryClass) -> (&str, &str) {
+	match query_class {
+		QueryClass::Archived => (
+			"https://www.stolaf.edu/multimedia/api/collection",
+			"archived",
+		),
+		QueryClass::Upcoming => (
+			"https://www.stolaf.edu/multimedia/api/collection",
+			"current",
+		),
+	}
+}
+
+#[instrument]
+async fn send_proxied_query<T>(
+	query_class: QueryClass,
+	date_from: &str,
+	date_to: &str,
+	sort: &str,
+) -> Result<Json<T>, StreamProxyError>
+where
+	T: serde::de::DeserializeOwned,
+{
+	tracing::debug!(
+		sort,
+		date_to,
+		date_from,
+		?query_class,
+		"handling proxied Stream request"
+	);
+
+	let (base_url, class) = get_query_base_url_and_entity(&query_class);
+	let query_type = query_class.to_string();
+
+	let request = ccc_proxy::global_proxy()
+		.client()
+		.get(base_url)
+		.query(&[
+			("class", query_type.as_str()),
+			("date_from", date_from),
+			("date_to", date_to),
+			("sort", sort),
+		])
+		.build()
+		.map_err(ccc_proxy::ProxyError::ProxiedRequest)
+		.map_err(StreamProxyError::GenericProxy)?;
+
+	ccc_proxy::global_proxy()
+		.send_request_parse_json::<T>(request)
+		.await
+		.map(Json)
+		.map_err(StreamProxyError::GenericProxy)
+}
+
+#[instrument(skip(date_from_fn, date_to_fn))]
+async fn handle_stream_request(
+	params: StreamParams,
+	date_from_fn: impl Fn(chrono::DateTime<Utc>) -> chrono::DateTime<Utc>,
+	date_to_fn: impl Fn(chrono::DateTime<Utc>) -> chrono::DateTime<Utc>,
+	query_class: QueryClass,
+) -> Result<Json<ccc_types::streams::StreamResponse>, StreamProxyError> {
+	let now = Utc::now();
+
+	let date_from = (!params.date_from.is_empty())
+		.then(|| params.date_from.clone())
+		.unwrap_or_else(|| date_from_fn(now).format("%Y-%m-%d").to_string());
+
+	let date_to = (!params.date_to.is_empty())
+		.then(|| params.date_to.clone())
+		.unwrap_or_else(|| date_to_fn(now).format("%Y-%m-%d").to_string());
+
+	send_proxied_query(query_class, &date_from, &date_to, &params.sort).await
+}
+
+#[instrument]
+pub async fn upcoming_handler(
+	Query(params): Query<StreamParams>,
+) -> Result<Json<ccc_types::streams::StreamResponse>, StreamProxyError> {
+	handle_stream_request(
+		params,
+		|now| now,
+		|now| now + Duration::days(60),
+		QueryClass::Upcoming,
+	)
+	.await
+}
+
+#[instrument]
+pub async fn archived_handler(
+	Query(params): Query<StreamParams>,
+) -> Result<Json<ccc_types::streams::StreamResponse>, StreamProxyError> {
+	handle_stream_request(
+		params,
+		|now| now - Duration::days(60),
+		|now| now,
+		QueryClass::Archived,
+	)
+	.await
+}
+
+#[derive(thiserror::Error, Debug)]
+pub enum StreamProxyError {
+	#[error("error from generic proxy: {0}")]
+	GenericProxy(ccc_proxy::ProxyError),
+}
+
+impl IntoResponse for StreamProxyError {
+	fn into_response(self) -> Response {
+		let text = self.to_string();
+		Response::builder()
+			.status(StatusCode::INTERNAL_SERVER_ERROR)
+			.body(text.into())
+			.unwrap()
+	}
+}

ccc-routes/src/lib.rs

@@ -7,6 +7,7 @@ pub mod faqs;
 pub mod food;
 pub mod printing;
 pub mod spaces;
+pub mod streams;
 pub mod tools;
 pub mod transit;
 pub mod webcams;

ccc-routes/src/streams.rs

@@ -0,0 +1,8 @@
+use axum::{routing::get, Router};
+use ccc_handlers::streams::{archived_handler, upcoming_handler};
+
+pub fn router() -> Router {
+	Router::new()
+		.route("/archived", get(archived_handler))
+		.route("/upcoming", get(upcoming_handler))
+}

ccc-server/src/main.rs

@@ -47,6 +47,7 @@ fn init_router() -> Router {
 		.nest("/food", ccc_routes::food::router())
 		.nest("/printing", ccc_routes::printing::router())
 		.nest("/spaces", ccc_routes::spaces::router())
+		.nest("/streams", ccc_routes::streams::router())
 		.nest("/tools", ccc_routes::tools::router())
 		.nest("/transit", ccc_routes::transit::router())
 		.nest("/webcams", ccc_routes::webcams::router());

ccc-types/Cargo.toml

@@ -7,4 +7,6 @@ publish = false
 [dependencies]
 serde = { version = "1.0.197", features = ["derive"] }
 serde_json = "1.0.114"
-ts-rs = {version = "10.0.0" }
+ts-rs = { version = "10.0.0" }
+chrono = { version = "0.4", features = ["serde"] }
+time = { version = "0.3.37" }

ccc-types/src/lib.rs

@@ -7,6 +7,7 @@ pub mod faqs;
 pub mod food;
 pub mod printing;
 pub mod spaces;
+pub mod streams;
 pub mod tools;
 pub mod transit;
 pub mod webcams;