Join group by URL (Closes #55)

src/app/groups/add-group-by-url-button-actions.ts

@@ -0,0 +1,8 @@
+'use server'
+
+import { getGroup } from '@/lib/api'
+
+export async function getGroupInfoAction(groupId: string) {
+  'use server'
+  return getGroup(groupId)
+}

src/app/groups/add-group-by-url-button.tsx

@@ -0,0 +1,91 @@
+import { getGroupInfoAction } from '@/app/groups/add-group-by-url-button-actions'
+import { saveRecentGroup } from '@/app/groups/recent-groups-helpers'
+import { Button } from '@/components/ui/button'
+import { Input } from '@/components/ui/input'
+import {
+  Popover,
+  PopoverContent,
+  PopoverTrigger,
+} from '@/components/ui/popover'
+import { useMediaQuery } from '@/lib/hooks'
+import { Loader2, Plus } from 'lucide-react'
+import { useState } from 'react'
+
+type Props = {
+  reload: () => void
+}
+
+export function AddGroupByUrlButton({ reload }: Props) {
+  const isDesktop = useMediaQuery('(min-width: 640px)')
+  const [url, setUrl] = useState('')
+  const [error, setError] = useState(false)
+  const [open, setOpen] = useState(false)
+  const [pending, setPending] = useState(false)
+
+  return (
+    <Popover open={open} onOpenChange={setOpen}>
+      <PopoverTrigger asChild>
+        <Button variant="secondary">
+          {/* <Plus className="w-4 h-4 mr-2" /> */}
+          <>Add by URL</>
+        </Button>
+      </PopoverTrigger>
+      <PopoverContent
+        align={isDesktop ? 'end' : 'start'}
+        className="[&_p]:text-sm flex flex-col gap-3"
+      >
+        <h3 className="font-bold">Add a group by URL</h3>
+        <p>
+          If a group was shared with you, you can paste its URL here to add it
+          to your list.
+        </p>
+        <form
+          className="flex gap-2"
+          onSubmit={async (event) => {
+            event.preventDefault()
+            const [, groupId] =
+              url.match(
+                new RegExp(`${window.location.origin}/groups/([^/]+)`),
+              ) ?? []
+            setPending(true)
+            const group = groupId ? await getGroupInfoAction(groupId) : null
+            setPending(false)
+            if (!group) {
+              setError(true)
+            } else {
+              saveRecentGroup({ id: group.id, name: group.name })
+              reload()
+              setUrl('')
+              setOpen(false)
+            }
+          }}
+        >
+          <Input
+            type="url"
+            required
+            placeholder="https://spliit.app/..."
+            className="flex-1 text-base"
+            value={url}
+            disabled={pending}
+            onChange={(event) => {
+              setUrl(event.target.value)
+              setError(false)
+            }}
+          />
+          <Button size="icon" type="submit" disabled={pending}>
+            {pending ? (
+              <Loader2 className="w-4 h-4 animate-spin" />
+            ) : (
+              <Plus className="w-4 h-4" />
+            )}
+          </Button>
+        </form>
+        {error && (
+          <p className="text-destructive">
+            Oops, we are not able to find the group from the URL you provided…
+          </p>
+        )}
+      </PopoverContent>
+    </Popover>
+  )
+}

src/app/groups/page.tsx

@@ -1,29 +1,10 @@
 import { RecentGroupList } from '@/app/groups/recent-group-list'
-import { Button } from '@/components/ui/button'
-import { Plus } from 'lucide-react'
 import { Metadata } from 'next'
-import Link from 'next/link'
 
 export const metadata: Metadata = {
   title: 'Recently visited groups',
 }
 
 export default async function GroupsPage() {
-  return (
-    <>
-      <div className="flex justify-between items-center gap-4">
-        <h1 className="font-bold text-2xl">
-          <Link href="/groups">My groups</Link>
-        </h1>
-        <Button asChild size="icon">
-          <Link href="/groups/create">
-            <Plus className="w-4 h-4" />
-          </Link>
-        </Button>
-      </div>
-      <div>
-        <RecentGroupList />
-      </div>
-    </>
-  )
+  return <RecentGroupList />
 }

src/app/groups/recent-group-list.tsx

@@ -1,5 +1,6 @@
 'use client'
 import { getGroupsAction } from '@/app/groups/actions'
+import { AddGroupByUrlButton } from '@/app/groups/add-group-by-url-button'
 import {
   RecentGroups,
   getArchivedGroups,
@@ -10,7 +11,7 @@ import { Button } from '@/components/ui/button'
 import { getGroups } from '@/lib/api'
 import { Loader2 } from 'lucide-react'
 import Link from 'next/link'
-import { SetStateAction, useEffect, useState } from 'react'
+import { PropsWithChildren, SetStateAction, useEffect, useState } from 'react'
 import { RecentGroupListCard } from './recent-group-list-card'
 
 export type RecentGroupsState =
@@ -54,7 +55,7 @@ function sortGroups(
 export function RecentGroupList() {
   const [state, setState] = useState<RecentGroupsState>({ status: 'pending' })
 
-  useEffect(() => {
+  function loadGroups() {
     const groupsInStorage = getRecentGroups()
     const starredGroups = getStarredGroups()
     const archivedGroups = getArchivedGroups()
@@ -73,35 +74,43 @@ export function RecentGroupList() {
         archivedGroups,
       })
     })
+  }
+
+  useEffect(() => {
+    loadGroups()
   }, [])
 
   if (state.status === 'pending') {
     return (
-      <p>
-        <Loader2 className="w-4 m-4 mr-2 inline animate-spin" /> Loading recent
-        groups…
-      </p>
+      <GroupsPage reload={loadGroups}>
+        <p>
+          <Loader2 className="w-4 m-4 mr-2 inline animate-spin" /> Loading
+          recent groups…
+        </p>
+      </GroupsPage>
     )
   }
 
   if (state.groups.length === 0) {
     return (
-      <div className="text-sm space-y-2">
-        <p>You have not visited any group recently.</p>
-        <p>
-          <Button variant="link" asChild className="-m-4">
-            <Link href={`/groups/create`}>Create one</Link>
-          </Button>{' '}
-          or ask a friend to send you the link to an existing one.
-        </p>
-      </div>
+      <GroupsPage reload={loadGroups}>
+        <div className="text-sm space-y-2">
+          <p>You have not visited any group recently.</p>
+          <p>
+            <Button variant="link" asChild className="-m-4">
+              <Link href={`/groups/create`}>Create one</Link>
+            </Button>{' '}
+            or ask a friend to send you the link to an existing one.
+          </p>
+        </div>
+      </GroupsPage>
     )
   }
 
   const { starredGroupInfo, groupInfo, archivedGroupInfo } = sortGroups(state)
 
   return (
-    <>
+    <GroupsPage reload={loadGroups}>
       {starredGroupInfo.length > 0 && (
         <>
           <h2 className="mb-2">Starred groups</h2>
@@ -132,7 +141,7 @@ export function RecentGroupList() {
           </div>
         </>
       )}
-    </>
+    </GroupsPage>
   )
 }
 
@@ -158,3 +167,28 @@ function GroupList({
     </ul>
   )
 }
+
+function GroupsPage({
+  children,
+  reload,
+}: PropsWithChildren<{ reload: () => void }>) {
+  return (
+    <>
+      <div className="flex flex-col sm:flex-row sm:items-center justify-between gap-2">
+        <h1 className="font-bold text-2xl flex-1">
+          <Link href="/groups">My groups</Link>
+        </h1>
+        <div className="flex gap-2">
+          <AddGroupByUrlButton reload={reload} />
+          <Button asChild>
+            <Link href="/groups/create">
+              {/* <Plus className="w-4 h-4 mr-2" /> */}
+              <>Create</>
+            </Link>
+          </Button>
+        </div>
+      </div>
+      <div>{children}</div>
+    </>
+  )
+}

src/app/groups/recent-groups-page.tsx

@@ -0,0 +1,29 @@
+'use client'
+import { AddGroupByUrlButton } from '@/app/groups/add-group-by-url-button'
+import { RecentGroupList } from '@/app/groups/recent-group-list'
+import { Button } from '@/components/ui/button'
+import Link from 'next/link'
+
+export function RecentGroupsPage() {
+  return (
+    <>
+      <div className="flex flex-col sm:flex-row sm:items-center justify-between gap-2">
+        <h1 className="font-bold text-2xl flex-1">
+          <Link href="/groups">My groups</Link>
+        </h1>
+        <div className="flex gap-2">
+          <AddGroupByUrlButton reload={() => {}} />
+          <Button asChild>
+            <Link href="/groups/create">
+              {/* <Plus className="w-4 h-4 mr-2" /> */}
+              <>Create</>
+            </Link>
+          </Button>
+        </div>
+      </div>
+      <div>
+        <RecentGroupList />
+      </div>
+    </>
+  )
+}