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import { Link, useSearchParams } from "react-router-dom";
import {
Strip,
Row,
Col,
Button,
MainTable,
Notification,
Pagination,
StatusLabel,
} from "@canonical/react-components";
import type { InterfaceItem } from "../../types";
function pageArray<T>(items: T[], count: number) {
const result: T[][] = [];
for (let i = 0; i < Math.ceil(items.length / count); i++) {
const start = i * count;
const end = start + count;
result.push(items.slice(start, end));
}
return result;
}
function sortInterfaces(a: InterfaceItem, b: InterfaceItem) {
Iif (a.status === "published" && b.status !== "published") {
return -1;
}
Iif (a.status !== "published" && b.status === "published") {
return 1;
}
return 0;
}
type Props = {
interfacesList: Array<InterfaceItem>;
};
function InterfacesIndex({ interfacesList }: Props) {
const ITEMS_PER_PAGE = 10;
const [searchParams, setSearchParams] = useSearchParams();
const [interfaces, setInterfaces] = useState<Array<InterfaceItem>>([]);
const [loading, setLoading] = useState(false);
const [error, setError] = useState(false);
const [currentItems, setCurrentItems] = useState<InterfaceItem[]>([]);
const [currentPageNumber, setCurrentPageNumber] = useState(
parseInt(searchParams.get("page") || "1")
);
const [currentPageIndex, setCurrentPageIndex] = useState(
currentPageNumber - 1
);
const pageParam = searchParams.get("page");
useEffect(() => {
Iif (pageParam !== null) {
setCurrentPageNumber(parseInt(pageParam));
setCurrentPageIndex(parseInt(pageParam) - 1);
} else {
setCurrentPageNumber(1);
setCurrentPageIndex(0);
}
}, [pageParam]);
useEffect(() => {
Eif (interfacesList) {
setInterfaces(interfacesList.sort(sortInterfaces));
return;
}
setLoading(true);
fetch("./interfaces.json")
.then((response) => {
if (response.status === 200) {
return response.json();
}
throw response;
})
.then((data) => {
setInterfaces(data?.interfaces.sort(sortInterfaces));
})
.catch(() => {
setError(true);
})
.finally(() => {
setLoading(false);
});
}, [interfacesList]);
useEffect(() => {
setCurrentItems(pageArray(interfaces, ITEMS_PER_PAGE)[currentPageIndex]);
}, [currentPageIndex, interfaces]);
useEffect(() => {
document.title = "Charmhub | Interface catalogue";
}, []);
return (
<>
<Strip type="light">
<Row>
<Col size={4}>
<h1>Interfaces</h1>
</Col>
<Col size={8}>
<p>
Interfaces describe the relation between two charms. This
interface catalogue shows opinionated, standardized interface
specifications for charm relations. Each interface outlines the
behavior and requirements of charms relating to one another.
</p>
<p>
Most of the content of these pages can be collaboratively
discussed and changed. You can help us improve these pages by
clicking the button below.
</p>
<p className="u-no-margin--bottom">
<Button
element="a"
href="https://github.com/canonical/charm-relation-interfaces"
appearance="positive"
>
Contribute
</Button>
</p>
</Col>
</Row>
</Strip>
<Strip>
{error && (
<Notification
severity="negative"
title="Error"
onDismiss={() => {
setError(false);
}}
>
There was a problem fetching interfaces. Please try again in a few
moments.
</Notification>
)}
<h2 className="p-heading--4">
{currentItems && interfaces.length > ITEMS_PER_PAGE && (
<>
{ITEMS_PER_PAGE * currentPageIndex + 1} –{" "}
{ITEMS_PER_PAGE * currentPageIndex + currentItems.length} of{" "}
{interfaces.length} interfaces
</>
)}
</h2>
<MainTable
headers={[
{
content: "Interface name",
heading: "Interface name",
},
{
content: "Version",
heading: "Version",
style: {
width: "80px",
},
},
]}
rows={
currentItems &&
currentItems.map((item: InterfaceItem) => {
return {
columns: [
{
content: (
<div
style={{
display: "flex",
}}
>
{item?.status === "published" && (
<Link to={`/integrations/${item?.name}`}>
{item?.name}
</Link>
)}
{item?.status !== "published" && (
<>
<StatusLabel style={{ marginRight: "1rem" }}>
{item?.status}
</StatusLabel>
<Link to={`/integrations/${item?.name}`}>
{item?.name}
</Link>
</>
)}
</div>
),
},
{
content: item?.version,
className: "u-align--right",
},
],
};
})
}
emptyStateMsg={`${
loading ? "Fetching interfaces..." : "No interfaces available"
}`}
responsive
/>
<div className="u-align--right">
<Pagination
currentPage={currentPageNumber}
itemsPerPage={ITEMS_PER_PAGE}
paginate={(pageNumber) => {
setCurrentPageNumber(pageNumber);
setCurrentPageIndex(pageNumber - 1);
if (pageNumber > 1) {
setSearchParams({ page: pageNumber.toString() });
} else {
setSearchParams({});
}
}}
totalItems={interfaces.length}
scrollToTop
/>
</div>
</Strip>
</>
);
}
export default InterfacesIndex;
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