polish splash screen

2023-08-14 09:34:38 +07:00
parent c42c78fc98
commit 6c6f50444e
12 changed files with 75 additions and 72 deletions
--- a/src/app/space/components/widgets/feed.tsx
+++ b/src/app/space/components/widgets/feed.tsx
@@ -0,0 +1,165 @@
+import { useInfiniteQuery } from '@tanstack/react-query';
+import { useVirtualizer } from '@tanstack/react-virtual';
+import { useCallback, useEffect, useRef } from 'react';
+
+import { getNotesByAuthors } from '@libs/storage';
+
+import { NoteKind_1, NoteKind_1063, NoteThread, Repost } from '@shared/notes';
+import { NoteKindUnsupport } from '@shared/notes/kinds/unsupport';
+import { NoteSkeleton } from '@shared/notes/skeleton';
+import { TitleBar } from '@shared/titleBar';
+
+import { LumeEvent, Widget } from '@utils/types';
+
+const ITEM_PER_PAGE = 10;
+
+export function FeedBlock({ params }: { params: Widget }) {
+  const { status, data, fetchNextPage, hasNextPage, isFetchingNextPage } =
+    useInfiniteQuery({
+      queryKey: ['newsfeed', params.content],
+      queryFn: async ({ pageParam = 0 }) => {
+        return await getNotesByAuthors(params.content, ITEM_PER_PAGE, pageParam);
+      },
+      getNextPageParam: (lastPage) => lastPage.nextCursor,
+    });
+
+  const notes = data ? data.pages.flatMap((d: { data: LumeEvent[] }) => d.data) : [];
+
+  const parentRef = useRef();
+  const rowVirtualizer = useVirtualizer({
+    count: hasNextPage ? notes.length + 1 : notes.length,
+    getScrollElement: () => parentRef.current,
+    estimateSize: () => 500,
+    overscan: 2,
+  });
+
+  const itemsVirtualizer = rowVirtualizer.getVirtualItems();
+  const totalSize = rowVirtualizer.getTotalSize();
+
+  useEffect(() => {
+    const [lastItem] = [...rowVirtualizer.getVirtualItems()].reverse();
+
+    if (!lastItem) {
+      return;
+    }
+
+    if (lastItem.index >= notes.length - 1 && hasNextPage && !isFetchingNextPage) {
+      fetchNextPage();
+    }
+  }, [notes.length, fetchNextPage, rowVirtualizer.getVirtualItems()]);
+
+  const renderItem = useCallback(
+    (index: string | number) => {
+      const note: LumeEvent = notes[index];
+      if (!note) return;
+      switch (note.kind) {
+        case 1: {
+          const root = note.tags.find((el) => el[3] === 'root')?.[1];
+          const reply = note.tags.find((el) => el[3] === 'reply')?.[1];
+          if (root || reply) {
+            return (
+              <div
+                key={note.event_id || note.id}
+                data-index={index}
+                ref={rowVirtualizer.measureElement}
+              >
+                <NoteThread event={note} root={root} reply={reply} />
+              </div>
+            );
+          } else {
+            return (
+              <div
+                key={note.event_id || note.id}
+                data-index={index}
+                ref={rowVirtualizer.measureElement}
+              >
+                <NoteKind_1 event={note} skipMetadata={false} />
+              </div>
+            );
+          }
+        }
+        case 6:
+          return (
+            <div
+              key={note.event_id || note.id}
+              data-index={index}
+              ref={rowVirtualizer.measureElement}
+            >
+              <Repost key={note.event_id} event={note} />
+            </div>
+          );
+        case 1063:
+          return (
+            <div
+              key={note.event_id || note.id}
+              data-index={index}
+              ref={rowVirtualizer.measureElement}
+            >
+              <NoteKind_1063 key={note.event_id} event={note} />
+            </div>
+          );
+        default:
+          return (
+            <div
+              key={note.event_id || note.id}
+              data-index={index}
+              ref={rowVirtualizer.measureElement}
+            >
+              <NoteKindUnsupport key={note.event_id} event={note} />
+            </div>
+          );
+      }
+    },
+    [notes]
+  );
+
+  return (
+    <div className="relative w-[400px] shrink-0 bg-white/10">
+      <TitleBar id={params.id} title={params.title} />
+      <div ref={parentRef} className="scrollbar-hide h-full overflow-y-auto pb-20">
+        {status === 'loading' ? (
+          <div className="px-3 py-1.5">
+            <div className="rounded-xl bg-white/10 px-3 py-3">
+              <NoteSkeleton />
+            </div>
+          </div>
+        ) : itemsVirtualizer.length === 0 ? (
+          <div className="px-3 py-1.5">
+            <div className="bbg-white/10 rounded-xl px-3 py-6">
+              <div className="flex flex-col items-center gap-4">
+                <p className="text-center text-sm text-white">
+                  Not found any posts from last 48 hours
+                </p>
+              </div>
+            </div>
+          </div>
+        ) : (
+          <div
+            className="relative w-full"
+            style={{
+              height: `${totalSize}px`,
+            }}
+          >
+            <div
+              className="absolute left-0 top-0 w-full"
+              style={{
+                transform: `translateY(${
+                  itemsVirtualizer[0].start - rowVirtualizer.options.scrollMargin
+                }px)`,
+              }}
+            >
+              {itemsVirtualizer.map((virtualRow) => renderItem(virtualRow.index))}
+            </div>
+          </div>
+        )}
+        {isFetchingNextPage && (
+          <div className="px-3 py-1.5">
+            <div className="rounded-xl bg-white/10 px-3 py-3">
+              <NoteSkeleton />
+            </div>
+          </div>
+        )}
+      </div>
+    </div>
+  );
+}