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Graphul

Graphul is an Express inspired web framework using a powerful extractor system. Designed to improve, speed, and scale your microservices with a friendly syntax, Graphul is built with Rust. that means Graphul gets memory safety, reliability, concurrency, and performance for free. helping to save money on infrastructure.

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Install

Create a new project

$ cargo init hello-app

$ cd hello-app

Add graphul dependency

$ cargo add graphul

⚑️ Quickstart

use graphul::{Graphul, http::Methods};


#[tokio::main]
async fn main() {
    let mut app = Graphul::new();

    app.get("/", || async {
        "Hello, World πŸ‘‹!"
    });

    app.run("127.0.0.1:8000").await;
}

πŸ‘€ Examples

Listed below are some of the common examples. If you want to see more code examples , please visit our Examples Folder

common examples

πŸ›« Graphul vs most famous frameworks out there

Graphul

πŸ“– Context

use graphul::{http::Methods, Context, Graphul};

#[tokio::main]
async fn main() {
    let mut app = Graphul::new();

    // /samuel?country=Colombia
    app.get("/:name", |c: Context| async move {
        /*
           statically typed query param extraction
           let value: Json<MyType> = match c.parse_params().await
           let value: Json<MyType> = match c.parse_query().await
        */

        let name = c.params("name");
        let country = c.query("country");
        let ip = c.ip();

        format!("My name is {name}, I'm from {country}, my IP is {ip}",)
    });

    app.run("127.0.0.1:8000").await;
}

πŸ“– JSON

use graphul::{Graphul, http::Methods, extract::Json};
use serde_json::json;

#[tokio::main]
async fn main() {
    let mut app = Graphul::new();

    app.get("/", || async {
        Json(json!({
            "name": "full_name",
            "age": 98,
            "phones": [
                format!("+44 {}", 8)
            ]
        }))
    });

    app.run("127.0.0.1:8000").await;
}

πŸ“– Resource

use std::collections::HashMap;

use graphul::{
    async_trait,
    extract::Json,
    http::{resource::Resource, response::Response, StatusCode},
    Context, Graphul, IntoResponse,
};
use serde_json::json;

type ResValue = HashMap<String, String>;

struct Article;

#[async_trait]
impl Resource for Article {
    async fn get(c: Context) -> Response {
        let posts = json!({
            "posts": ["Article 1", "Article 2", "Article ..."]
        });
        (StatusCode::OK, c.json(posts)).into_response()
    }

    async fn post(c: Context) -> Response {
        // you can use ctx.parse_params() or ctx.parse_query()
        let value: Json<ResValue> = match c.payload().await {
            Ok(data) => data,
            Err(err) => return err.into_response(),
        };

        (StatusCode::CREATED, value).into_response()
    }

    // you can use put, delete, head, patch and trace
}

#[tokio::main]
async fn main() {
    let mut app = Graphul::new();

    app.resource("/article", Article);

    app.run("127.0.0.1:8000").await;
}

πŸ“– Static files

use graphul::{Graphul, FolderConfig, FileConfig};

#[tokio::main]
async fn main() {
    let mut app = Graphul::new();

    // path = "/static", dir = public
    app.static_files("/static", "public", FolderConfig::default());

    // single page application
    app.static_files("/", "app/build", FolderConfig::spa());

    app.static_file("/about", "templates/about.html", FileConfig::default());

    app.run("127.0.0.1:8000").await;
}

🌟 static files with custom config

use graphul::{Graphul, FolderConfig, FileConfig};

#[tokio::main]
async fn main() {
    let mut app = Graphul::new();

    app.static_files("/", "templates", FolderConfig {
        // single page application
        spa: false,
        // it support gzip, brotli and deflate
        compress: true,
        // Set a specific read buffer chunk size.
        // The default capacity is 64kb.
        chunk_size: None,
        // If the requested path is a directory append `index.html`.
        // This is useful for static sites.
        index: true,
        // fallback - This file will be called if there is no file at the path of the request.
        not_found: Some("templates/404.html"), // or None
    });

    app.static_file("/path", "templates/about.html", FileConfig {
        // it support gzip, brotli and deflate
        compress: true,
        chunk_size: Some(65536) // buffer capacity 64KiB
    });

    app.run("127.0.0.1:8000").await;
}

πŸ“– Groups

use graphul::{
    extract::{Path, Json},
    Graphul,
    http::{ Methods, StatusCode }, IntoResponse
};

use serde_json::json;

async fn index() -> &'static str {
    "index handler"
}

async fn name(Path(name): Path<String>) -> impl IntoResponse {
    let user = json!({
        "response": format!("my name is {}", name)
    });
    (StatusCode::CREATED, Json(user)).into_response()
}

#[tokio::main]
async fn main() {
    let mut app = Graphul::new();

    // GROUP /api
    let mut api = app.group("api");

    // GROUP /api/user
    let mut user = api.group("user");

    // GET POST PUT DELETE ... /api/user
    user.resource("/", Article);

    // GET /api/user/samuel
    user.get("/:name", name);

    // GROUP /api/post
    let mut post = api.group("post");

    // GET /api/post
    post.get("/", index);

    // GET /api/post/all
    post.get("/all", || async move {
        Json(json!({"message": "hello world!"}))
    });

    app.run("127.0.0.1:8000").await;
}

πŸ“– Share state

use graphul::{http::Methods, extract::State, Graphul};

#[derive(Clone)]
struct AppState {
    data: String
}

#[tokio::main]
async fn main() {
    let state = AppState { data: "Hello, World πŸ‘‹!".to_string() };
    let mut app = Graphul::share_state(state);

    app.get("/", |State(state): State<AppState>| async {
        state.data
    });

    app.run("127.0.0.1:8000").await;
}

πŸ“– Share state with Resource

use graphul::{
    async_trait,
    http::{resource::Resource, response::Response, StatusCode},
    Context, Graphul, IntoResponse,
};
use serde_json::json;

struct Article;

#[derive(Clone)]
struct AppState {
    data: Vec<&'static str>,
}

#[async_trait]
impl Resource<AppState> for Article {

    async fn get(ctx: Context<AppState>) -> Response {
        let article = ctx.state();

        let posts = json!({
            "posts": article.data,
        });
        (StatusCode::OK, ctx.json(posts)).into_response()
    }

    // you can use post, put, delete, head, patch and trace

}

#[tokio::main]
async fn main() {
    let state = AppState {
        data: vec!["Article 1", "Article 2", "Article 3"],
    };
    let mut app = Graphul::share_state(state);

    app.resource("/article", Article);

    app.run("127.0.0.1:8000").await;
}

πŸ“– Middleware

use graphul::{
    Req,
    middleware::{self, Next},
    http::{response::Response,Methods},
    Graphul
};

async fn my_middleware( request: Req, next: Next ) -> Response {

    // your logic

    next.run(request).await
}

#[tokio::main]
async fn main() {
    let mut app = Graphul::new();

    app.get("/", || async {
        "hello world!"
    });
    app.middleware(middleware::from_fn(my_middleware));

    app.run("127.0.0.1:8000").await;
}

πŸ“– Routers

use graphul::{http::Methods, Graphul};

#[tokio::main]
async fn main() {
    let mut app = Graphul::new();

    app.get("/", || async { "Home" });

    // you can use: Graphul::post, Graphul::put, Graphul::delete, Graphul::patch
    let route_get = Graphul::get("/hello", || async { "Hello, World πŸ‘‹!" });

    // you can also use the `route` variable to add the route to the app
    app.add_router(route_get);

    app.run("127.0.0.1:8000").await;

πŸ’‘ Graphul::router

use graphul::{
    Req,
    middleware::{self, Next},
    http::{response::Response,Methods},
    Graphul
};

async fn my_router() -> Graphul {
    let mut router = Graphul::router();

    router.get("/hi", || async {
        "Hey! :)"
    });
    // this middleware will be available only on this router
    router.middleware(middleware::from_fn(my_middleware));

    router
}

#[tokio::main]
async fn main() {
    let mut app = Graphul::new();

    app.get("/", || async {
        "hello world!"
    });

    app.add_router(my_router().await);

    app.run("127.0.0.1:8000").await;
}

πŸ“– Templates

use graphul::{
    http::Methods,
    Context, Graphul, template::HtmlTemplate,
};
use askama::Template;

#[derive(Template)]
#[template(path = "hello.html")]
struct HelloTemplate {
    name: String,
}

#[tokio::main]
async fn main() {
    let mut app = Graphul::new();

    app.get("/:name", |c: Context| async  move {
        let template = HelloTemplate { name: c.params("name") };
        HtmlTemplate(template)
    });

    app.run("127.0.0.1:8000").await;
}

License

This project is licensed under the MIT license.

Contribution

Unless you explicitly state otherwise, any contribution intentionally submitted for inclusion in Graphul by you, shall be licensed as MIT, without any additional terms or conditions.

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Optimize, speed, scale your microservices and save money πŸ’΅

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