1 files changed, 55 insertions, 0 deletions
diff --git a/web/pw-server/src/lib/matches.ts b/web/pw-server/src/lib/matches.ts
new file mode 100644
index 0000000..d889a0d
--- /dev/null
+++ b/web/pw-server/src/lib/matches.ts
@@ -0,0 +1,55 @@
+import type { Match as ApiMatch, MatchPlayer as ApiMatchPlayer, Map } from "./api_types";
+
+// match from the perspective of a bot
+export type BotMatch = {
+  id: number;
+  opponent: BotMatchOpponent;
+  outcome: BotMatchOutcome;
+  timestamp: string;
+  map: Map;
+  hadErrors?: boolean;
+};
+
+export type BotMatchOutcome = "win" | "loss" | "tie";
+
+export type BotMatchOpponent = {
+  bot_id: number;
+  bot_name: string;
+  owner_id?: number;
+};
+
+export function apiMatchtoBotMatch(bot_name: string, apiMatch: ApiMatch): BotMatch {
+  let player: ApiMatchPlayer;
+  let playerIndex: number;
+  let opponent: ApiMatchPlayer;
+  apiMatch.players.forEach((matchPlayer, index) => {
+    if (matchPlayer.bot_name === bot_name) {
+      player = matchPlayer;
+      playerIndex = index;
+    } else {
+      opponent = matchPlayer;
+    }
+  });
+
+  if (player === undefined || opponent === undefined || playerIndex === undefined) {
+    throw "could not assign player and opponent";
+  }
+
+  let outcome: BotMatchOutcome;
+  if (apiMatch.winner === playerIndex) {
+    outcome = "win";
+  } else if (apiMatch.winner) {
+    outcome = "loss";
+  } else {
+    outcome = "tie";
+  }
+
+  return {
+    id: apiMatch.id,
+    opponent,
+    outcome,
+    timestamp: apiMatch.timestamp,
+    map: apiMatch.map,
+    hadErrors: player.had_errors,
+  };
+}