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pub use crate::db_types::MatchState;
use chrono::NaiveDateTime;
use diesel::associations::BelongsTo;
use diesel::{
BelongingToDsl, ExpressionMethods, JoinOnDsl, NullableExpressionMethods, QueryDsl, RunQueryDsl,
};
use diesel::{Connection, GroupedBy, PgConnection, QueryResult};
use crate::schema::{bot_versions, bots, match_players, matches};
use super::bots::{Bot, BotVersion};
#[derive(Insertable)]
#[table_name = "matches"]
pub struct NewMatch<'a> {
pub state: MatchState,
pub log_path: &'a str,
}
#[derive(Insertable)]
#[table_name = "match_players"]
pub struct NewMatchPlayer {
/// id of the match this player is in
pub match_id: i32,
/// player id within the match
pub player_id: i32,
/// id of the bot behind this player
pub bot_version_id: Option<i32>,
}
#[derive(Queryable, Identifiable)]
#[table_name = "matches"]
pub struct MatchBase {
pub id: i32,
pub state: MatchState,
pub log_path: String,
pub created_at: NaiveDateTime,
pub winner: Option<i32>,
}
#[derive(Queryable, Identifiable, Associations, Clone)]
#[primary_key(match_id, player_id)]
#[belongs_to(MatchBase, foreign_key = "match_id")]
pub struct MatchPlayer {
pub match_id: i32,
pub player_id: i32,
pub code_bundle_id: Option<i32>,
}
pub struct MatchPlayerData {
pub code_bundle_id: Option<i32>,
}
pub fn create_match(
new_match_base: &NewMatch,
new_match_players: &[MatchPlayerData],
conn: &PgConnection,
) -> QueryResult<MatchData> {
conn.transaction(|| {
let match_base = diesel::insert_into(matches::table)
.values(new_match_base)
.get_result::<MatchBase>(conn)?;
let new_match_players = new_match_players
.iter()
.enumerate()
.map(|(num, player_data)| NewMatchPlayer {
match_id: match_base.id,
player_id: num as i32,
bot_version_id: player_data.code_bundle_id,
})
.collect::<Vec<_>>();
let match_players = diesel::insert_into(match_players::table)
.values(&new_match_players)
.get_results::<MatchPlayer>(conn)?;
Ok(MatchData {
base: match_base,
match_players,
})
})
}
pub struct MatchData {
pub base: MatchBase,
pub match_players: Vec<MatchPlayer>,
}
pub fn list_matches(amount: i64, conn: &PgConnection) -> QueryResult<Vec<FullMatchData>> {
conn.transaction(|| {
let matches = matches::table
.order_by(matches::created_at.desc())
.limit(amount)
.get_results::<MatchBase>(conn)?;
let match_players = MatchPlayer::belonging_to(&matches)
.left_join(
bot_versions::table
.on(match_players::bot_version_id.eq(bot_versions::id.nullable())),
)
.left_join(bots::table.on(bot_versions::bot_id.eq(bots::id.nullable())))
.order_by((
match_players::match_id.asc(),
match_players::player_id.asc(),
))
.load::<FullMatchPlayerData>(conn)?
.grouped_by(&matches);
let res = matches
.into_iter()
.zip(match_players.into_iter())
.map(|(base, players)| FullMatchData {
base,
match_players: players.into_iter().collect(),
})
.collect();
Ok(res)
})
}
// TODO: maybe unify this with matchdata?
pub struct FullMatchData {
pub base: MatchBase,
pub match_players: Vec<FullMatchPlayerData>,
}
#[derive(Queryable)]
// #[primary_key(base.match_id, base::player_id)]
pub struct FullMatchPlayerData {
pub base: MatchPlayer,
pub bot_version: Option<BotVersion>,
pub bot: Option<Bot>,
}
impl BelongsTo<MatchBase> for FullMatchPlayerData {
type ForeignKey = i32;
type ForeignKeyColumn = match_players::match_id;
fn foreign_key(&self) -> Option<&Self::ForeignKey> {
Some(&self.base.match_id)
}
fn foreign_key_column() -> Self::ForeignKeyColumn {
match_players::match_id
}
}
pub fn find_match(id: i32, conn: &PgConnection) -> QueryResult<FullMatchData> {
conn.transaction(|| {
let match_base = matches::table.find(id).get_result::<MatchBase>(conn)?;
let match_players = MatchPlayer::belonging_to(&match_base)
.left_join(
bot_versions::table
.on(match_players::bot_version_id.eq(bot_versions::id.nullable())),
)
.left_join(bots::table.on(bot_versions::bot_id.eq(bots::id.nullable())))
.order_by(match_players::player_id.asc())
.load::<FullMatchPlayerData>(conn)?;
let res = FullMatchData {
base: match_base,
match_players,
};
Ok(res)
})
}
pub fn find_match_base(id: i32, conn: &PgConnection) -> QueryResult<MatchBase> {
matches::table.find(id).get_result::<MatchBase>(conn)
}
pub enum MatchResult {
Finished { winner: Option<i32> },
}
pub fn save_match_result(id: i32, result: MatchResult, conn: &PgConnection) -> QueryResult<()> {
let MatchResult::Finished { winner } = result;
diesel::update(matches::table.find(id))
.set((
matches::winner.eq(winner),
matches::state.eq(MatchState::Finished),
))
.execute(conn)?;
Ok(())
}
|
