rust/lootalot
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finish add/buy in frontend

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Arthur Gerbaud
2019-10-03 12:37:22 +02:00
parent 2e7afa9bb0
commit 60b489e8fd
6 changed files with 50 additions and 42 deletions
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35
lootalot_db/src/lib.rs
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@@ -131,30 +131,37 @@ impl<'q> AsPlayer<'q> {
///
/// # Returns
/// Result containing the difference in coins after operation
pub fn buy<'a>(self, params: &Vec<(i32, Option<f32>)>) -> ActionResult<(i32, i32, i32, i32)> {
let mut all_results: Vec<(i32, i32, i32, i32)> = Vec::with_capacity(params.len());
pub fn buy<'a>(self, params: &Vec<(i32, Option<f32>)>) -> ActionResult<(Vec<models::Item>, (i32, i32, i32, i32))> {
let mut cumulated_diff: Vec<(i32, i32, i32, i32)> = Vec::with_capacity(params.len());
let mut added_items: Vec<models::Item> = Vec::with_capacity(params.len());
for (item_id, price_mod) in params.into_iter() {
let res = self.conn.transaction(|| {
if let Ok((item, diff)) = self.conn.transaction(|| {
use schema::looted::dsl::*;
let item = schema::items::table.find(item_id).first::<models::Item>(self.conn)?;
let new_item = models::item::NewLoot::to_player(self.id, (&item.name, item.base_price));
let _item_added = diesel::insert_into(schema::looted::table)
diesel::insert_into(schema::looted::table)
.values(&new_item)
.execute(self.conn)
.map(|rows_updated| match rows_updated {
1 => (),
_ => panic!("RuntimeError: Buy made no changes at all"),
})?;
.execute(self.conn)?;
let added_item = models::Item::owned_by(self.id)
.order(id.desc())
.first(self.conn)?;
let sell_price = match price_mod {
Some(modifier) => item.base_price as f32 * modifier,
None => item.base_price as f32
};
DbApi::with_conn(self.conn).as_player(self.id).update_wealth(-sell_price)
});
if let Ok(diff) = res { all_results.push(diff); }
DbApi::with_conn(self.conn)
.as_player(self.id)
.update_wealth(-sell_price)
.map(|diff| (added_item, diff))
}) {
cumulated_diff.push(diff);
added_items.push(item);
}
}
Ok(all_results.into_iter().fold((0,0,0,0), |sum, diff| {
let all_diff = cumulated_diff.into_iter().fold((0,0,0,0), |sum, diff| {
(sum.0 + diff.0, sum.1 + diff.1, sum.2 + diff.2, sum.3 + diff.3)
}))
});
Ok((added_items, all_diff))
}
/// Sell a set of items from this player chest
///