nil-server 0.7.20

Multiplayer strategy game
Documentation 
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// Copyright (C) Call of Nil contributors
// SPDX-License-Identifier: AGPL-3.0-only

use crate::app::App;
use crate::middleware::authorization::CurrentPlayer;
use crate::response::from_err;
use crate::{bail_if_player_is_not_pending, res};
use axum::extract::{Extension, Json, State};
use axum::response::Response;
use nil_core::ruler::Ruler;
use nil_payload::request::market::*;
use nil_payload::response::market::*;

pub async fn buy(
  State(app): State<App>,
  Extension(player): Extension<CurrentPlayer>,
  Json(req): Json<BuyResourcesRequest>,
) -> Response {
  match app.get(req.world) {
    Ok(world) => {
      let result = try {
        let mut world = world.write().await;
        bail_if_player_is_not_pending!(world, &player.0);

        let ruler = Ruler::from(player.0);
        world.buy_resources(&ruler, req.resources)?;
      };

      result
        .map(|()| res!(OK))
        .unwrap_or_else(from_err)
    }
    Err(err) => from_err(err),
  }
}

pub async fn fee(State(app): State<App>, Json(req): Json<GetMarketFeeRequest>) -> Response {
  app
    .world(req.world, |world| world.market().fee())
    .await
    .map_left(|fee| res!(OK, GetMarketFeeResponse(fee)))
    .into_inner()
}

pub async fn get(State(app): State<App>, Json(req): Json<GetMarketRequest>) -> Response {
  app
    .world(req.world, |world| world.market().clone())
    .await
    .map_left(|market| res!(OK, GetMarketResponse(market)))
    .into_inner()
}

pub async fn sell(
  State(app): State<App>,
  Extension(player): Extension<CurrentPlayer>,
  Json(req): Json<SellResourcesRequest>,
) -> Response {
  match app.get(req.world) {
    Ok(world) => {
      let result = try {
        let mut world = world.write().await;
        bail_if_player_is_not_pending!(world, &player.0);

        let ruler = Ruler::from(player.0);
        world.sell_resources(&ruler, req.resources)?;
      };

      result
        .map(|()| res!(OK))
        .unwrap_or_else(from_err)
    }
    Err(err) => from_err(err),
  }
}

pub async fn send(
  State(app): State<App>,
  Extension(player): Extension<CurrentPlayer>,
  Json(req): Json<SendResourcesRequest>,
) -> Response {
  match app.get(req.world) {
    Ok(world) => {
      let result = try {
        let mut world = world.write().await;
        bail_if_player_is_not_pending!(world, &player.0);

        let sender = Ruler::from(player.0);
        world.send_resources(&sender, &req.recipient, req.resources)?;
      };

      result
        .map(|()| res!(OK))
        .unwrap_or_else(from_err)
    }
    Err(err) => from_err(err),
  }
}