From 09ddb71e15405d59d1b6fc61bfbf7dd564c3d666 Mon Sep 17 00:00:00 2001
From: Radiquum <kentai.waah@gmail.com>
Date: Thu, 28 Aug 2025 21:37:47 +0500
Subject: [PATCH] anix/feat: add discovery filter page

---
 .../Discovery/Modal/FiltersModal.tsx          |  14 +-
 app/discovery/filter/page.tsx                 |  12 ++
 app/pages/DiscoverFilter.tsx                  | 145 ++++++++++++++++++
 app/pages/Search.tsx                          |   2 +-
 4 files changed, 170 insertions(+), 3 deletions(-)
 create mode 100644 app/discovery/filter/page.tsx
 create mode 100644 app/pages/DiscoverFilter.tsx

diff --git a/app/components/Discovery/Modal/FiltersModal.tsx b/app/components/Discovery/Modal/FiltersModal.tsx
index c0069d9..f65aa4e 100644
--- a/app/components/Discovery/Modal/FiltersModal.tsx
+++ b/app/components/Discovery/Modal/FiltersModal.tsx
@@ -39,9 +39,15 @@ type ModalProps = {
   isOpen: boolean;
   setIsOpen: (value: boolean) => void;
   filter?: Filter;
+  setFilter?: (filter: Filter) => void;
 };
 
-export const FiltersModal = ({ isOpen, setIsOpen, filter }: ModalProps) => {
+export const FiltersModal = ({
+  isOpen,
+  setIsOpen,
+  filter,
+  setFilter,
+}: ModalProps) => {
   const userStore = useUserStore();
   const router = useRouter();
 
@@ -75,7 +81,11 @@ export const FiltersModal = ({ isOpen, setIsOpen, filter }: ModalProps) => {
 
   function saveFilter() {
     const _filter = JSON.stringify(newFilter);
-    router.push(`/discovery/filter?filter=${_filter}`);
+    if (setFilter) {
+      setFilter(newFilter);
+    } else {
+      router.push(`/discovery/filter?filter=${_filter}`);
+    }
     setIsOpen(false);
   }
 
diff --git a/app/discovery/filter/page.tsx b/app/discovery/filter/page.tsx
new file mode 100644
index 0000000..a7144c4
--- /dev/null
+++ b/app/discovery/filter/page.tsx
@@ -0,0 +1,12 @@
+import { DiscoverFilterPage } from "#/pages/DiscoverFilter";
+
+export const metadata = {
+  title: "Фильтр",
+  description: "Поиск по фильтру",
+};
+
+export const dynamic = "force-static";
+
+export default function Discover() {
+  return <DiscoverFilterPage />;
+}
diff --git a/app/pages/DiscoverFilter.tsx b/app/pages/DiscoverFilter.tsx
new file mode 100644
index 0000000..3de2435
--- /dev/null
+++ b/app/pages/DiscoverFilter.tsx
@@ -0,0 +1,145 @@
+"use client";
+
+import { ENDPOINTS } from "#/api/config";
+import { FilterDefault, tryCatchAPI } from "#/api/utils";
+import { FiltersModal } from "#/components/Discovery/Modal/FiltersModal";
+import { ReleaseSection } from "#/components/ReleaseSection/ReleaseSection";
+import { Spinner } from "#/components/Spinner/Spinner";
+import { useScrollPosition } from "#/hooks/useScrollPosition";
+import { useUserStore } from "#/store/auth";
+import { Button } from "flowbite-react";
+import { useRouter, useSearchParams } from "next/navigation";
+import { useEffect, useState } from "react";
+import useSWRInfinite from "swr/infinite";
+
+const postFetcher = async (url: string, payload: string) => {
+  const { data, error } = await tryCatchAPI(
+    fetch(url, {
+      method: "POST",
+      headers: {
+        "Content-Type": "application/json",
+      },
+      body: payload,
+    })
+  );
+
+  if (error) {
+    throw error;
+  }
+  return data;
+};
+
+export const DiscoverFilterPage = () => {
+  const userStore = useUserStore();
+  const searchParams = useSearchParams();
+  const router = useRouter();
+  const [filter, setFilter] = useState(null);
+  const [content, setContent] = useState(null);
+  const [FooterH, setFooterH] = useState(null);
+  const [FiltersModalOpen, setFiltersModalOpen] = useState(false);
+
+  useEffect(() => {
+    const queryParams = searchParams.get("filter");
+    if (queryParams) {
+      try {
+        const _filter = JSON.parse(queryParams);
+        if (Object.keys(_filter).length != Object.keys(FilterDefault).length) {
+          setFilter(FilterDefault);
+        } else {
+          setFilter(_filter);
+        }
+      } catch (e) {
+        setFilter(FilterDefault);
+      }
+    } else {
+      setFilter(FilterDefault);
+    }
+
+    if (window) {
+      setFooterH(document.querySelector("footer").clientHeight + 16);
+    }
+    // eslint-disable-next-line react-hooks/exhaustive-deps
+  }, []);
+
+  useEffect(() => {
+    setContent(null);
+    const url = new URL(`/discovery/filter`, window.location.origin);
+    url.searchParams.set("filter", JSON.stringify(filter));
+    router.replace(url.toString());
+    // eslint-disable-next-line react-hooks/exhaustive-deps
+  }, [filter]);
+
+  const getKey = (pageIndex: number, previousPageData: any) => {
+    if (!filter) return null;
+
+    if (previousPageData && !previousPageData.content.length) return null;
+
+    let url = `${ENDPOINTS.filter}/${pageIndex}`;
+    if (userStore.token) {
+      url += `?token=${userStore.token}`;
+    }
+    return [url, JSON.stringify(filter)];
+  };
+
+  const { data, error, isLoading, size, setSize } = useSWRInfinite(
+    getKey,
+    ([url, payload]) => postFetcher(url, payload),
+    { initialSize: 2 }
+  );
+
+  useEffect(() => {
+    if (data) {
+      let _content = [];
+      for (let i = 0; i < data.length; i++) {
+        _content.push(...data[i].content);
+      }
+      setContent(_content);
+    }
+    // eslint-disable-next-line react-hooks/exhaustive-deps
+  }, [data]);
+
+  const scrollPosition = useScrollPosition();
+  useEffect(() => {
+    if (scrollPosition >= 98 && scrollPosition <= 99) {
+      setSize(size + 1);
+    }
+    // eslint-disable-next-line react-hooks/exhaustive-deps
+  }, [scrollPosition]);
+
+  if (!filter) return <></>;
+
+  return (
+    <div>
+      {error ?
+        <div className="flex flex-col justify-between w-full p-4 border border-red-200 rounded-md md:flex-row bg-red-50 dark:bg-red-700 dark:border-red-600">
+          <div className="mb-4 md:mb-0 md:me-4">
+            <p>Произошла ошибка фильтра</p>
+          </div>
+        </div>
+      : <></>}
+      {content ?
+        <ReleaseSection content={content} sectionTitle={"Фильтр"} />
+      : <></>}
+      {isLoading ?
+        <div className="flex items-center justify-center w-full h-16">
+          <Spinner />
+        </div>
+      : ""}
+      <Button
+        color="green"
+        pill
+        className="fixed bottom-[var(--header-height)] right-4"
+        style={{ "--header-height": `${FooterH}px` } as React.CSSProperties}
+        onClick={() => setFiltersModalOpen(true)}
+      >
+        <span className="flex-shrink-0 inline-block w-8 h-8 iconify mdi--mixer-settings"></span>
+      </Button>
+      <FiltersModal
+        isOpen={FiltersModalOpen}
+        setIsOpen={setFiltersModalOpen}
+        filter={filter}
+        setFilter={setFilter}
+      />
+    </div>
+  );
+};
diff --git a/app/pages/Search.tsx b/app/pages/Search.tsx
index 6647906..0f58262 100644
--- a/app/pages/Search.tsx
+++ b/app/pages/Search.tsx
@@ -243,7 +243,7 @@ export function SearchPage() {
     return [url, JSON.stringify({ query, searchBy })];
   };
 
-  const { data, error, isLoading, size, setSize, mutate } = useSWRInfinite(
+  const { data, error, isLoading, size, setSize } = useSWRInfinite(
     getKey,
     ([url, payload]) => postFetcher(url, payload),
     { initialSize: 2 }