Add player profiles with lifetime stats and map records

src/lib/server/fleet/player-profile.ts

@@ -0,0 +1,33 @@
+import { db } from '../db/index.js';
+import type { PlayerProfile, PlayerStats, PlayerMapRecord, PlayerMatch } from '../../leaderboard.js';
+
+const totals = `MAX(mp.highest_round) AS highestRound, SUM(mp.kills) AS kills,
+    SUM(mp.rounds_survived) AS roundsSurvived, SUM(mp.headshots) AS headshots,
+    SUM(mp.revives) AS revives, SUM(mp.downs) AS downs, COUNT(*) AS gamesPlayed,
+    SUM(mp.completed) AS gamesCompleted, MAX(mp.kills) AS bestKills, MAX(mp.best_score) AS bestScore`;
+const scope = `FROM leaderboard_match_players mp JOIN leaderboard_matches m ON m.id = mp.match_id
+    WHERE m.game = ? AND mp.guid = ? AND mp.has_stats = 1`;
+
+export function getPlayerProfile(game: string, guid: string, requestedOffset = 0): PlayerProfile | null {
+    const handle = db();
+    const player = handle.prepare(`SELECT game, guid, name, first_seen_at AS firstSeen,
+        last_seen_at AS lastSeen FROM leaderboard_players WHERE game = ? AND guid = ?`)
+        .get(game, guid) as Pick<PlayerProfile, 'game' | 'guid' | 'name' | 'firstSeen' | 'lastSeen'> | undefined;
+    if (!player) return null;
+    const stats = handle.prepare(`SELECT ${totals} ${scope}`).get(game, guid) as PlayerStats;
+    if (!stats.gamesPlayed) return null;
+    const limit = 25;
+    const lastOffset = Math.floor((stats.gamesPlayed - 1) / limit) * limit;
+    const offset = Number.isSafeInteger(requestedOffset) ? Math.min(lastOffset, Math.max(0, requestedOffset)) : 0;
+    const maps = handle.prepare(`SELECT m.map_key AS key, m.map_name AS name,
+        MAX(mp.last_seen_at) AS lastSeen, ${totals} ${scope}
+        GROUP BY m.map_key ORDER BY highestRound DESC, kills DESC, name COLLATE NOCASE, key`)
+        .all(game, guid) as PlayerMapRecord[];
+    const matches = handle.prepare(`SELECT m.id, m.server, m.map_name AS mapName,
+        m.started_at AS startedAt, mp.last_seen_at AS lastSeen, m.status, mp.completed,
+        mp.highest_round AS highestRound, mp.rounds_survived AS roundsSurvived,
+        mp.kills, mp.headshots, mp.revives, mp.downs, mp.best_score AS bestScore
+        ${scope} ORDER BY mp.last_seen_at DESC, m.id DESC LIMIT ? OFFSET ?`)
+        .all(game, guid, limit, offset) as PlayerMatch[];
+    return { ...player, stats, maps, matches, offset, limit };
+}