blastmud/blastmud_game/src/message_handler/user_commands/buy.rs

87 lines
4.1 KiB
Rust

use super::{
VerbContext, UserVerb, UserVerbRef, UResult, user_error,
get_player_item_or_fail,
parsing::parse_offset,
};
use crate::{
static_content::room,
static_content::possession_type::possession_data,
models::item::Item,
};
use async_trait::async_trait;
use ansi::ansi;
pub struct Verb;
#[async_trait]
impl UserVerb for Verb {
async fn handle(self: &Self, ctx: &mut VerbContext, _verb: &str, remaining: &str) -> UResult<()> {
let player_item = get_player_item_or_fail(ctx).await?;
if player_item.is_dead {
user_error("Nobody seems to listen when you try to buy... possibly because you're dead.".to_owned())?
}
let (heretype, herecode) = player_item.location.split_once("/").unwrap_or(("room", "repro_xv_chargen"));
if heretype != "room" {
user_error("Can't buy anything because you're not in a shop.".to_owned())?;
}
let room = match room::room_map_by_code().get(herecode) {
None => user_error("Can't find that shop.".to_owned())?,
Some(r) => r
};
if room.stock_list.is_empty() {
user_error("Can't buy anything because you're not in a shop.".to_owned())?
}
let (offset_m, remaining) = parse_offset(remaining);
let mut offset_remaining = offset_m.unwrap_or(1);
let match_item = remaining.trim().to_lowercase();
if match_item == "" {
user_error("You need to specify what to buy.".to_owned())?
}
for stock in &room.stock_list {
if let Some(possession_type) = possession_data().get(&stock.possession_type) {
if possession_type.display.to_lowercase().starts_with(&match_item) ||
possession_type.display_less_explicit.map(|d| d.to_lowercase().starts_with(&match_item)).unwrap_or(false) ||
possession_type.aliases.iter().any(|al| al.starts_with(&match_item)) {
if offset_remaining <= 1 {
if let Some(mut user) = ctx.user_dat.as_mut() {
if user.credits < stock.list_price {
user_error("You don't have enough credits to buy that!".to_owned())?;
}
user.credits -= stock.list_price;
let item_code = ctx.trans.alloc_item_code().await?;
let new_item = Item {
item_type: "possession".to_owned(),
item_code: format!("{}", item_code),
possession_type: Some(stock.possession_type.clone()),
display: possession_type.display.to_owned(),
display_less_explicit: possession_type.display_less_explicit.map(|d| d.to_owned()),
details: Some(possession_type.details.to_owned()),
details_less_explicit: possession_type.details_less_explicit.map(|d| d.to_owned()),
aliases: possession_type.aliases.iter().map(|al| (*al).to_owned()).collect(),
location: format!("player/{}", &player_item.item_code),
health: possession_type.max_health,
..Default::default()
};
ctx.trans.create_item(&new_item).await?;
ctx.trans.queue_for_session(
&ctx.session,
Some(&format!("Your wristpad beeps for a deduction of {} credits.\n", stock.list_price))
).await?;
}
return Ok(());
} else {
offset_remaining -= 1;
}
}
}
}
user_error(ansi!("That doesn't seem to be for sale. Try <bold>list<reset>").to_owned())
}
}
static VERB_INT: Verb = Verb;
pub static VERB: UserVerbRef = &VERB_INT as UserVerbRef;