I'm not that good with Diesel yet am I

Cargo.lock

@@ -187,6 +187,7 @@ dependencies = [
  "diesel_derives",
  "pq-sys",
  "r2d2",
+ "uuid",
 ]
 
 [[package]]
@@ -417,6 +418,7 @@ dependencies = [
  "diesel_migrations",
  "rocket",
  "rocket_sync_db_pools",
+ "uuid",
 ]
 
 [[package]]
@@ -1379,6 +1381,15 @@ version = "0.2.2"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "8ccb82d61f80a663efe1f787a51b16b5a51e3314d6ac365b08639f52387b33f3"
 
+[[package]]
+name = "uuid"
+version = "0.8.2"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "bc5cf98d8186244414c848017f0e2676b3fcb46807f6668a97dfe67359a3c4b7"
+dependencies = [
+ "getrandom",
+]
+
 [[package]]
 name = "vcpkg"
 version = "0.2.15"

Cargo.toml

@@ -22,10 +22,15 @@ doctest = true
 
 [dependencies]
 rocket = "0.5.0-rc.1"
-diesel = { version = "1.4.7", features = ["postgres"] }
+diesel = { version = "1.4.7", features = ["postgres", "uuidv07"] }
 diesel_migrations = "1.4.0"
 
 [dependencies.rocket_sync_db_pools]
 version = "0.1.0-rc.1"
 default_features = false
 features = ["diesel_postgres_pool"]
+
+[dependencies.uuid]
+version = "0.8.2"
+default_features = false
+features = [ "v4" ]

diesel.toml

@@ -2,4 +2,4 @@
 # see diesel.rs/guides/configuring-diesel-cli
 
 [print_schema]
-file = "src/schema.rs"
+file = "src/libhilde/schema.rs"

migrations/2021-06-28-154739_distribution-metadata/down.sql

@@ -0,0 +1,2 @@
+-- This file should undo anything in `up.sql`
+DROP TABLE distributions;

migrations/2021-06-28-154739_distribution-metadata/up.sql

@@ -0,0 +1,12 @@
+-- Your SQL goes here
+CREATE TABLE distributions (
+    id uuid DEFAULT gen_random_uuid() PRIMARY KEY,
+
+    name text UNIQUE NOT NULL,
+    description text,
+    origin text,
+    label text,
+    version text,
+    suite text,
+    codename text
+);

src/hilde/main.rs

@@ -4,13 +4,15 @@ extern crate rocket;
 #[macro_use]
 extern crate diesel_migrations;
 
+mod routes;
+
 use rocket::{fairing::AdHoc, Build, Rocket};
 use rocket_sync_db_pools::{database, diesel};
 
 embed_migrations!();
 
 #[database("postgres_hilde")]
-struct HildeDbConn(diesel::PgConnection);
+pub struct HildeDbConn(diesel::PgConnection);
 
 async fn run_db_migrations(rocket: Rocket<Build>) -> Result<Rocket<Build>, Rocket<Build>> {
     let conn = HildeDbConn::get_one(&rocket)
@@ -31,4 +33,5 @@ fn rocket() -> _ {
             "Run database migrations",
             run_db_migrations,
         ))
+        .mount("/", routes::routes())
 }

src/hilde/routes/mod.rs

@@ -0,0 +1,13 @@
+use rocket::Route;
+use libhilde::packages::generate_release_file;
+use crate::HildeDbConn;
+
+pub fn routes() -> Vec<Route> {
+    routes![get_dist_release]
+}
+
+// NOTE: for now, only dists without slashes are supported
+#[get("/dists/<dist>/Release")]
+async fn get_dist_release(conn: HildeDbConn, dist: String) -> String {
+    conn.run(|c| generate_release_file(dist, c)).await
+}

src/libhilde/lib.rs

@@ -0,0 +1,5 @@
+#[macro_use]
+extern crate diesel;
+
+pub mod packages;
+pub mod schema;

src/libhilde/packages.rs

@@ -0,0 +1,21 @@
+use diesel::{PgConnection, Queryable, QueryDsl, ExpressionMethods, RunQueryDsl};
+use crate::schema::distributions::dsl::*;
+
+#[derive(Queryable)]
+struct Distribution {
+    id: uuid::Uuid,
+    name: String,
+    description: Option<String>,
+    origin: Option<String>,
+    label: Option<String>,
+    version: Option<String>,
+    suite: Option<String>,
+    codename: Option<String>
+}
+
+/// Generate a Release file for a given distribution
+pub fn generate_release_file(dist: String, conn: &PgConnection) -> String {
+    let results = distributions.filter(name.eq(dist)).load::<Distribution>(conn).unwrap();
+
+    format!("{}", results.len())
+}

src/libhilde/schema.rs

@@ -0,0 +1,12 @@
+table! {
+    distributions (id) {
+        id -> Uuid,
+        name -> Text,
+        description -> Nullable<Text>,
+        origin -> Nullable<Text>,
+        label -> Nullable<Text>,
+        version -> Nullable<Text>,
+        suite -> Nullable<Text>,
+        codename -> Nullable<Text>,
+    }
+}