Added SSR

src/getServerSideProps.ts

@@ -0,0 +1,38 @@
+import {GetServerSideProps} from "next";
+import {getGroup, setGroups} from "./database/groups";
+import {Dict, Group} from "./types";
+
+export interface PropsGroupProvider {
+  id: string
+  groups: Dict<Group>
+  ignored: string[]
+  base: string[]
+}
+
+export const getServerSidePropsGroupProvider: GetServerSideProps<PropsGroupProvider> = async ({query}) => {
+  const id = Array.isArray(query?.id) ? query.id[0] : query?.id
+  const data = id && await getGroup(id)
+  if (data) {
+    return {
+      props: {
+        id: data._id.toString(),
+        groups: data.groups,
+        ignored: data.ignored,
+        base: data.base
+      }
+    }
+  } else if (!id) {
+    const newId = await setGroups({groups: {}, base: [], ignored: []})
+    return {
+      redirect: {
+        destination: `?id=${newId}`,
+        permanent: false,
+      }
+    }
+  } else {
+    console.log(data)
+    return {
+      notFound: true
+    }
+  }
+}