Init with Rocket, Diesel and Tera templates

.gitignore

@@ -0,0 +1,2 @@
+/target
+/*.db

Cargo.toml

@@ -0,0 +1,22 @@
+[package]
+name = "services"
+version = "0.1.0"
+edition = "2021"
+
+# See more keys and their definitions at https://doc.rust-lang.org/cargo/reference/manifest.html
+
+[dependencies]
+
+[dependencies.diesel]
+version = "2.1.4"
+default-features = false
+features = ["sqlite"]
+
+[dependencies.rocket]
+version = "0.5.0"
+default-features = false
+
+[dependencies.rocket_dyn_templates]
+version = "0.1.0"
+default-features = false
+features = ["tera"]

Rocket.toml

@@ -0,0 +1,2 @@
+[default]
+cli_colors = false

diesel.toml

@@ -0,0 +1,9 @@
+# For documentation on how to configure this file,
+# see https://diesel.rs/guides/configuring-diesel-cli
+
+[print_schema]
+file = "src/schema.rs"
+custom_type_derives = ["diesel::query_builder::QueryId"]
+
+[migrations_directory]
+dir = "migrations"

migrations/2024-02-22-211619_add_services/down.sql

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

migrations/2024-02-22-211619_add_services/up.sql

@@ -0,0 +1,6 @@
+-- Your SQL goes here
+CREATE TABLE IF NOT EXISTS "services" (
+	"url"      TEXT NOT NULL UNIQUE,
+	"software" TEXT NOT NULL,
+	PRIMARY KEY("url")
+);

rustfmt.toml

@@ -0,0 +1 @@
+hard_tabs = true

src/lib.rs

@@ -0,0 +1,11 @@
+pub mod models;
+pub mod schema;
+
+use diesel::prelude::*;
+use diesel::sqlite::SqliteConnection;
+
+pub fn establish_connection() -> SqliteConnection {
+	let database_url = "services.db";
+	SqliteConnection::establish(&database_url)
+		.unwrap_or_else(|_| panic!("Error connecting to {}", database_url))
+}

src/main.rs

@@ -0,0 +1,40 @@
+#[macro_use]
+extern crate rocket;
+
+#[launch]
+fn rocket() -> _ {
+	rocket::build()
+		.attach(Template::fairing())
+		.mount("/", routes![show_services])
+}
+
+use ::services::establish_connection;
+use diesel::prelude::*;
+use services::models::*;
+
+use rocket_dyn_templates::Template;
+
+#[get("/")]
+fn show_services() -> Template /*std::string::String*/ {
+	use ::services::schema::services::dsl::*;
+
+	let connection = &mut establish_connection();
+	let results = services
+		.limit(5)
+		.select(Services::as_select())
+		.load(connection)
+		.expect("Error loading services");
+
+	let mut service_urls = Vec::new();
+	for service in &results {
+		service_urls.push(&service.url);
+	}
+
+	let services_num = &results.len().to_string();
+
+	let mut btreemap = std::collections::BTreeMap::new();
+	btreemap.insert("services", service_urls);
+	btreemap.insert("services_num", vec![services_num]);
+
+	Template::render("hello", &btreemap)
+}

src/models.rs

@@ -0,0 +1,9 @@
+use diesel::prelude::*;
+
+#[derive(Queryable, Selectable)]
+#[diesel(table_name = crate::schema::services)]
+#[diesel(check_for_backend(diesel::sqlite::Sqlite))]
+pub struct Services {
+	pub url: String,
+	pub software: String,
+}

src/schema.rs

@@ -0,0 +1,8 @@
+// @generated automatically by Diesel CLI.
+
+diesel::table! {
+	services (url) {
+		url -> Text,
+		software -> Text,
+	}
+}

templates/hello.html.tera

@@ -0,0 +1,9 @@
+<p>
+	Displaying {{ services_num[0] }} services :
+</p>
+
+<ul>
+{% for service in services %}
+	<li>{{ service }}</li>
+{% endfor %}
+</ul>