add extra filters

frontend/src/hooks/useGameFilter.ts

@@ -7,7 +7,13 @@ import {
 } from "../../items";
 import { apiFetch } from "../api";
 
-export function useGameFilter(people: Person[], selectedPeople: Set<string>) {
+export function useGameFilter(
+  people: Person[],
+  selectedPeople: Set<string>,
+  freeGamesOnly: boolean,
+  maxPrice: number | null,
+  ownershipMode: boolean
+) {
   const [fetchedTitles, setFetchedTitles] = useState<string[]>([]);
   const metaDataRef = useRef<{ [key: string]: GameProto }>({});
 
@@ -79,20 +85,63 @@ export function useGameFilter(people: Person[], selectedPeople: Set<string>) {
       .filter((title) => metaDataRef.current[title])
       .map((title) => metaDataRef.current[title]);
 
-    return filterByPlayerCount(games, selectedPeople.size);
+    return filterGames(
+      games,
+      selectedPeople.size,
+      freeGamesOnly,
+      maxPrice,
+      ownershipMode,
+      selectedPeople,
+      people
+    );
     // eslint-disable-next-line react-hooks/exhaustive-deps
-  }, [titlesEveryoneWouldPlay, selectedPeople.size, fetchedTitles]);
+  }, [
+    titlesEveryoneWouldPlay,
+    selectedPeople.size,
+    fetchedTitles,
+    freeGamesOnly,
+    maxPrice,
+    ownershipMode,
+    people,
+    selectedPeople,
+  ]);
 
-  return { filteredGames, gameToPositive: gameToPositiveOpinion };
+  const gamesMap = useMemo(() => {
+    return new Map(Object.entries(metaDataRef.current));
+  }, [fetchedTitles]);
+
+  return { filteredGames, gameToPositive: gameToPositiveOpinion, games: gamesMap };
 }
 
-function filterByPlayerCount(
+function filterGames(
   games: GameProto[],
-  playerCount: number
+  playerCount: number,
+  freeGamesOnly: boolean,
+  maxPrice: number | null,
+  ownershipMode: boolean,
+  selectedPeople: Set<string>,
+  people: Person[]
 ): string[] {
+  const selectedPersons = people.filter((p) => selectedPeople.has(p.name));
+
   return games
     .filter(
       (game) => game.maxPlayers >= playerCount && game.minPlayers <= playerCount
     )
+    .filter((game) => {
+      if (freeGamesOnly) return game.price === 0;
+      if (maxPrice !== null) return game.price <= maxPrice;
+      return true;
+    })
+    .filter((game) => {
+      if (!ownershipMode) return true;
+      if (game.price === 0) return true;
+
+      return selectedPersons.every((person) =>
+        person.opinion.some(
+          (op) => op.title === game.title && op.wouldPlay
+        )
+      );
+    })
     .map((game) => game.title);
 }