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48 changes: 15 additions & 33 deletions static/app/stories/view/storyFooter.tsx
Original file line number Diff line number Diff line change
@@ -1,51 +1,36 @@
import styled from '@emotion/styled';
import qs from 'query-string';

import {LinkButton} from 'sentry/components/core/button/linkButton';
import {Flex} from 'sentry/components/core/layout';
import {IconArrow} from 'sentry/icons';
import {useStoryBookFilesByCategory} from 'sentry/stories/view/storySidebar';
import type {StoryTreeNode} from 'sentry/stories/view/storyTree';
import type {StoryDescriptor} from 'sentry/stories/view/useStoriesLoader';
import {useStory} from 'sentry/stories/view/useStory';
import {space} from 'sentry/styles/space';
import {useLocation} from 'sentry/utils/useLocation';

export function StoryFooter() {
const location = useLocation();
import {useStoryBookFilesByCategory} from './storySidebar';
import type {StoryTreeNode} from './storyTree';
import {type StoryDescriptor} from './useStoriesLoader';
import {useStory} from './useStory';

export function StoryFooter() {
const {story} = useStory();
const categories = useStoryBookFilesByCategory();
const pagination = findPreviousAndNextStory(story, categories);

const prevLocationDescriptor = qs.stringify({
...location.query,
name: pagination?.prev?.story.filesystemPath,
});
const nextLocationDescriptor = qs.stringify({
...location.query,
name: pagination?.next?.story.filesystemPath,
});
const stories = useStoryBookFilesByCategory();
const pagination = findPreviousAndNextStory(story, stories);

return (
<Flex align="center" justify="space-between" gap={space(2)}>
{pagination?.prev && (
<Card
to={`/stories/?${prevLocationDescriptor}`}
icon={<IconArrow direction="left" />}
>
<Card to={pagination.prev.location} icon={<IconArrow direction="left" />}>
<CardLabel>Previous</CardLabel>
<CardTitle>{pagination.prev.story.label}</CardTitle>
<CardTitle>{pagination.prev.label}</CardTitle>
</Card>
)}
{pagination?.next && (
<Card
data-flip
to={`/stories/?${nextLocationDescriptor}`}
to={pagination.next.location}
icon={<IconArrow direction="right" />}
>
<CardLabel>Next</CardLabel>
<CardTitle>{pagination.next.story.label}</CardTitle>
<CardTitle>{pagination.next.label}</CardTitle>
</Card>
)}
</Flex>
Expand All @@ -56,14 +41,11 @@ function findPreviousAndNextStory(
story: StoryDescriptor,
categories: ReturnType<typeof useStoryBookFilesByCategory>
): {
next: {category: string; story: StoryTreeNode} | undefined;
prev: {category: string; story: StoryTreeNode} | undefined;
next?: StoryTreeNode;
prev?: StoryTreeNode;
} | null {
const stories = Object.entries(categories).flatMap(([key, category]) =>
category.map(s => ({category: key, story: s}))
);

const currentIndex = stories.findIndex(s => s.story.filesystemPath === story.filename);
const stories = Object.values(categories).flat();
const currentIndex = stories.findIndex(s => s.filesystemPath === story.filename);

if (currentIndex === -1) {
return null;
Expand Down
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