rustyroad 1.3.0

Rusty Road is a framework written in Rust that is based on Ruby on Rails. It is designed to provide the familiar conventions and ease of use of Ruby on Rails, while also taking advantage of the performance and efficiency of Rust.
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//! `rustyroad pull` — introspect the database into a TypeScript folder.
//!
//! Mirrors `drizzle-kit pull`: read the live schema, then write a folder of
//! generated TypeScript. RustyRoad additionally emits a typed client and REST
//! routes, which Drizzle leaves to the application.

mod command;
mod report;

use crate::database::introspection;
use crate::database::migrations::baseline;
use crate::generators::typescript::{self, Casing, Outputs};
use clap::ArgMatches;
use std::path::PathBuf;

pub(crate) use command::pull as pull_command;

/// Default output folder, matching Drizzle's convention.
const DEFAULT_OUT: &str = "./db";

/// Schema introspected when none is given.
const DEFAULT_SCHEMA: &str = "public";

pub async fn run(matches: &ArgMatches) {
    let out = PathBuf::from(
        matches
            .get_one::<String>("out")
            .map(String::as_str)
            .unwrap_or(DEFAULT_OUT),
    );
    let schema_name = matches
        .get_one::<String>("schema")
        .map(String::as_str)
        .unwrap_or(DEFAULT_SCHEMA);
    let casing = Casing::parse(matches.get_one::<String>("casing").map(String::as_str));
    let outputs = outputs(matches);

    let connection = match baseline::connect().await {
        Ok(connection) => connection,
        Err(error) => return report::fail(&error.to_string()),
    };

    let schema = match introspection::read(&connection, schema_name).await {
        Ok(schema) => schema,
        Err(error) => return report::fail(&error.to_string()),
    };

    if schema.tables.is_empty() {
        return report::empty(schema_name);
    }

    match typescript::write(&out, &schema, casing, outputs) {
        Ok(written) => report::written(&schema, &written),
        Err(error) => report::fail(&error.to_string()),
    }
}

/// Returns which artifacts to emit, honouring `--schema-only`.
fn outputs(matches: &ArgMatches) -> Outputs {
    if matches.get_flag("schema-only") {
        Outputs::schema_only()
    } else {
        Outputs::all()
    }
}