Initial commit

resources/js/components/ContestsOverview.tsx

@@ -0,0 +1,180 @@
+import { useEffect, useMemo, useState, useRef } from "react";
+import axios from "axios";
+import { Card, CardBody, Listbox, ListboxItem, type Selection } from "@heroui/react";
+import { useTranslation } from "react-i18next";
+import { useLanguageStore } from "@/stores/languageStore";
+import { useContestStore, type ContestSummary } from "@/stores/contestStore";
+import { useContestRefreshStore } from "@/stores/contestRefreshStore";
+import { useNavigate } from "react-router-dom";
+import RoundsOverview from "./RoundsOverview";
+
+type ContestItem = ContestSummary & {
+  description?: string | null;
+};
+
+type PaginatedResponse<T> = {
+  data: T[];
+};
+
+type ContestsOverviewProps = {
+  /** Zobraz pouze aktivní závody. Default: false */
+  onlyActive?: boolean;
+  /** Zahrnout testovací závody. Default: false */
+  showTests?: boolean;
+  className?: string;
+};
+
+export default function ContestsOverview({ onlyActive = false, showTests = false, className }: ContestsOverviewProps) {
+  const { t } = useTranslation("common");
+  const locale = useLanguageStore((s) => s.locale);
+  const refreshKey = useContestRefreshStore((s) => s.refreshKey);
+  const navigate = useNavigate();
+
+  const [items, setItems] = useState<ContestItem[]>([]);
+  const [loading, setLoading] = useState(true);
+  const [error, setError] = useState<string | null>(null);
+  const [selectedKeys, setSelectedKeys] = useState<Selection>(new Set(["none"]));
+  const lastFetchKey = useRef<string | null>(null);
+
+  const setSelectedContest = useContestStore((s) => s.setSelectedContest);
+  const clearSelection = useContestStore((s) => s.clearSelection);
+  const selectedContest = useContestStore((s) => s.selectedContest);
+
+  // sync se store
+  useEffect(() => {
+    if (selectedContest) {
+      setSelectedKeys(new Set([String(selectedContest.id)]));
+    } else {
+      setSelectedKeys(new Set(["none"]));
+    }
+  }, [selectedContest]);
+
+  useEffect(() => {
+    let active = true;
+    const fetchKey = `${locale}-${refreshKey}`;
+
+    // pokud už máme data pro tento klíč a seznam není prázdný, nefetchuj
+    if (lastFetchKey.current === fetchKey && items.length > 0) {
+      setLoading(false);
+      return;
+    }
+    lastFetchKey.current = fetchKey;
+
+    (async () => {
+      try {
+        setLoading(true);
+        setError(null);
+
+        const res = await axios.get<PaginatedResponse<ContestItem> | ContestItem[]>(
+          "/api/contests",
+          {
+            withCredentials: true,
+            headers: { Accept: "application/json" },
+            params: {
+              lang: locale,
+              only_active: onlyActive ? 1 : 0,
+              include_tests: showTests ? 1 : 0,
+            },
+          }
+        );
+
+        if (!active) return;
+
+        const data = Array.isArray(res.data)
+          ? res.data
+          : (res.data as PaginatedResponse<ContestItem>).data;
+
+        setItems(data);
+      } catch {
+        if (!active) return;
+        setError(t("unable_to_load_contests") ?? "Nepodařilo se načíst seznam závodů.");
+      } finally {
+        if (active) setLoading(false);
+      }
+    })();
+
+    return () => {
+      active = false;
+    };
+  }, [locale, t, refreshKey, items.length, onlyActive, showTests]);
+
+  const visibleItems = useMemo(() => items, [items]);
+
+  const isSelected = (id: string | number) => {
+    if (selectedKeys === "all") return false;
+    return Array.from(selectedKeys).some((k) => String(k) === String(id));
+  };
+
+  const handleSelectionChange = (keys: Selection) => {
+    setSelectedKeys(keys);
+    if (keys === "all") return;
+
+    const id = Array.from(keys)[0];
+    if (!id || id === "none") {
+      clearSelection();
+      setSelectedKeys(new Set(["none"]));
+      navigate("/contests");
+      return;
+    }
+
+    if (selectedContest && String(selectedContest.id) === String(id)) {
+      return;
+    }
+
+    const selected = visibleItems.find((c) => String(c.id) === String(id));
+    if (selected) {
+      setSelectedContest(selected);
+      navigate(`/contests/${selected.id}`);
+    }
+  };
+
+  return (
+    <Card className={className}>
+      <CardBody className="p-0">
+        {loading ? (
+          <div className="p-4">{t("contests_loading") ?? "Načítám závody…"}</div>
+        ) : error ? (
+          <div className="p-4 text-sm text-red-600">{error}</div>
+        ) : visibleItems.length === 0 ? (
+          <div className="p-4">{t("contests_empty") ?? "Žádné závody nejsou k dispozici."}</div>
+        ) : (
+          <Listbox
+            aria-label="Contests overview"
+            selectionMode="single"
+            selectedKeys={selectedKeys}
+            onSelectionChange={handleSelectionChange}
+            variant="flat"
+            color="primary"
+            shouldHighlightOnFocus={true}
+          >
+            <ListboxItem key="none" textValue="None">
+              <div className="flex flex-col">
+                <span className="font-semibold text-sm">
+                  {t("contest_index_page") ?? "Přehled závodů"}
+                </span>
+              </div>
+            </ListboxItem>
+            {visibleItems.map((item) => (
+              <ListboxItem key={item.id} textValue={item.name}>
+                <div className="flex flex-col">
+                  <span
+                    className={`text-sm ${isSelected(item.id) ? "font-semibold text-primary" : "font-medium"}`}
+                  >
+                    {item.name}
+                  </span>
+                  <span
+                    className={`text-xs line-clamp-2 ${
+                      isSelected(item.id) ? "text-primary-500" : "text-foreground-500"
+                    }`}
+                  >
+                    {item.description || "—"}
+                  </span>
+                </div>
+              </ListboxItem>
+            ))}
+          </Listbox>
+        )}
+      </CardBody>
+    </Card>
+  );
+}