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Diagramer

A sequence diagram generator webservice in Rust🦀 based on rocket🚀.

Features

  • Fast simple JSON-API
  • SVG export
  • Mermaid diagram code export
  • Small frontend with live update
  • Client implementation

Usage

Start diagramer directly

cargo run

or build a release version via

cargo build --release

API usage

With client

The client library is implemented in the module diagramer::client.

use diagramer::client::Client;

let client = Client::new();
let session = client.new_session("http://localhost:8000").await;
println!("New session url {}", session.session_url()); 
session.add_link("a", "b", Some("Request")).await;
session.add_link("b", "c", Some("Forward")).await;
session.add_link("c", "a", Some("Response")).await;

The network based stress test also uses the client implementation.

Direct HTTP access

Create a new session

curl -XPOST 'http://127.0.0.1:8000/api/new-session'

With a session ID and a URI to the session

{
  "id": "2888964795923373081",
  "uri": "/api/session/2888964795923373081"
}

Add a link from a to b with label with a label

curl -XPOST -H 'Content-Type: application/json' 'http://127.0.0.1:8000/api/session/2888964795923373081/links' -d '{"from":"a", "to":"b", "label":"with a label"}'

Get a JSON representation of the session

curl 'http://127.0.0.1:8000/api/session/2888964795923373081'
{
  "id": 2888964795923373000,
  "links": [
    {
      "timestamp": 1676679312120,
      "from": "a",
      "to": "b",
      "label": "with a label",
      "id": 2
    }
  ],
  "last_link": 2,
  "mermaid_url": "/api/session/2888964795923373081/mermaid",
  "svg_url": "/api/session/2888964795923373081/svg"
}