feat: post & reply (#5)

src/renderer/src/components/Content/index.tsx

@@ -97,7 +97,7 @@ function preprocess(content: string) {
   })
 
   const embeddedNotes: string[] = []
-  const embeddedNoteRegex = /(nostr:note1[a-z0-9]{58}|nostr:nevent1[a-z0-9]+)/g
+  const embeddedNoteRegex = /nostr:(note1[a-z0-9]{58}|nevent1[a-z0-9]+|naddr1[a-z0-9]+)/g
   ;(c.match(embeddedNoteRegex) || []).forEach((note) => {
     c = c.replace(note, '').trim()
     embeddedNotes.push(note)

src/renderer/src/components/NoteStats/LikeButton.tsx

@@ -53,7 +53,7 @@ export default function LikeButton({
 
       const targetRelayList = await client.fetchRelayList(event.pubkey)
       const reaction = createReactionDraftEvent(event)
-      await publish(reaction, targetRelayList.read)
+      await publish(reaction, targetRelayList.read.slice(0, 3))
       markNoteAsLiked(event.id)
     } catch (error) {
       console.error('like failed', error)

src/renderer/src/components/NoteStats/NoteOptions/index.tsx

@@ -4,7 +4,8 @@ import {
   DropdownMenuItem,
   DropdownMenuTrigger
 } from '@renderer/components/ui/dropdown-menu'
-import { Ellipsis } from 'lucide-react'
+import { getSharableEventId } from '@renderer/lib/event'
+import { Code, Copy, Ellipsis } from 'lucide-react'
 import { Event } from 'nostr-tools'
 import { useState } from 'react'
 import RawEventDialog from './RawEventDialog'
@@ -22,7 +23,22 @@ export default function NoteOptions({ event }: { event: Event }) {
           />
         </DropdownMenuTrigger>
         <DropdownMenuContent collisionPadding={8}>
-          <DropdownMenuItem onClick={() => setIsRawEventDialogOpen(true)}>
+          <DropdownMenuItem
+            onClick={(e) => {
+              e.stopPropagation()
+              navigator.clipboard.writeText('nostr:' + getSharableEventId(event))
+            }}
+          >
+            <Copy />
+            copy embedded code
+          </DropdownMenuItem>
+          <DropdownMenuItem
+            onClick={(e) => {
+              e.stopPropagation()
+              setIsRawEventDialogOpen(true)
+            }}
+          >
+            <Code />
             raw event
           </DropdownMenuItem>
         </DropdownMenuContent>

src/renderer/src/components/NoteStats/ReplyButton.tsx

@@ -1,17 +1,26 @@
+import { useNostr } from '@renderer/providers/NostrProvider'
 import { useNoteStats } from '@renderer/providers/NoteStatsProvider'
 import { MessageCircle } from 'lucide-react'
 import { Event } from 'nostr-tools'
 import { useMemo } from 'react'
+import PostDialog from '../PostDialog'
 import { formatCount } from './utils'
 
 export default function ReplyButton({ event }: { event: Event }) {
   const { noteStatsMap } = useNoteStats()
+  const { pubkey } = useNostr()
   const { replyCount } = useMemo(() => noteStatsMap.get(event.id) ?? {}, [noteStatsMap, event.id])
 
   return (
-    <div className="flex gap-1 items-center text-muted-foreground">
+    <PostDialog parentEvent={event}>
-      <MessageCircle size={16} />
+      <button
-      <div className="text-xs">{formatCount(replyCount)}</div>
+        className="flex gap-1 items-center text-muted-foreground enabled:hover:text-blue-400"
-    </div>
+        disabled={!pubkey}
+        onClick={(e) => e.stopPropagation()}
+      >
+        <MessageCircle size={16} />
+        <div className="text-xs">{formatCount(replyCount)}</div>
+      </button>
+    </PostDialog>
   )
 }

src/renderer/src/components/NoteStats/RepostButton.tsx

@@ -63,7 +63,7 @@ export default function RepostButton({
 
       const targetRelayList = await client.fetchRelayList(event.pubkey)
       const repost = createRepostDraftEvent(event)
-      await publish(repost, targetRelayList.read)
+      await publish(repost, targetRelayList.read.slice(0, 3))
       markNoteAsReposted(event.id)
     } catch (error) {
       console.error('repost failed', error)
@@ -97,7 +97,7 @@ export default function RepostButton({
           </AlertDialogDescription>
         </AlertDialogHeader>
         <AlertDialogFooter>
-          <AlertDialogCancel>Cancel</AlertDialogCancel>
+          <AlertDialogCancel onClick={(e) => e.stopPropagation()}>Cancel</AlertDialogCancel>
           <AlertDialogAction onClick={repost}>Repost</AlertDialogAction>
         </AlertDialogFooter>
       </AlertDialogContent>

src/renderer/src/components/PostDialog/Metions.tsx

@@ -0,0 +1,47 @@
+import { Button } from '@renderer/components/ui/button'
+import { Popover, PopoverContent, PopoverTrigger } from '@renderer/components/ui/popover'
+import { extractMentions } from '@renderer/lib/event'
+import { useEffect, useState } from 'react'
+import UserAvatar from '../UserAvatar'
+import Username from '../Username'
+import { Event } from 'nostr-tools'
+
+export default function Mentions({
+  content,
+  parentEvent
+}: {
+  content: string
+  parentEvent?: Event
+}) {
+  const [pubkeys, setPubkeys] = useState<string[]>([])
+
+  useEffect(() => {
+    extractMentions(content, parentEvent).then(({ pubkeys }) => setPubkeys(pubkeys))
+  }, [content])
+
+  return (
+    <Popover>
+      <PopoverTrigger asChild>
+        <Button
+          className="px-3"
+          variant="ghost"
+          disabled={pubkeys.length === 0}
+          onClick={(e) => e.stopPropagation()}
+        >
+          Mentions {pubkeys.length > 0 && `(${pubkeys.length})`}
+        </Button>
+      </PopoverTrigger>
+      <PopoverContent className="w-48">
+        <div className="space-y-2">
+          <div className="text-sm font-semibold">Mentions:</div>
+          {pubkeys.map((pubkey, index) => (
+            <div key={`${pubkey}-${index}`} className="flex gap-1 items-center">
+              <UserAvatar userId={pubkey} size="small" />
+              <Username userId={pubkey} className="font-semibold text-sm truncate" />
+            </div>
+          ))}
+        </div>
+      </PopoverContent>
+    </Popover>
+  )
+}

src/renderer/src/components/PostDialog/Preview.tsx

@@ -0,0 +1,21 @@
+import { Card } from '@renderer/components/ui/card'
+import dayjs from 'dayjs'
+import Content from '../Content'
+
+export default function Preview({ content }: { content: string }) {
+  return (
+    <Card className="p-3">
+      <Content
+        event={{
+          content,
+          kind: 1,
+          tags: [],
+          created_at: dayjs().unix(),
+          id: '',
+          pubkey: '',
+          sig: ''
+        }}
+      />
+    </Card>
+  )
+}

src/renderer/src/components/PostDialog/index.tsx

@@ -0,0 +1,131 @@
+import { Button } from '@renderer/components/ui/button'
+import {
+  Dialog,
+  DialogContent,
+  DialogFooter,
+  DialogHeader,
+  DialogTitle,
+  DialogTrigger
+} from '@renderer/components/ui/dialog'
+import { ScrollArea } from '@renderer/components/ui/scroll-area'
+import { Textarea } from '@renderer/components/ui/textarea'
+import { useToast } from '@renderer/hooks/use-toast'
+import { createShortTextNoteDraftEvent } from '@renderer/lib/draft-event'
+import { useNostr } from '@renderer/providers/NostrProvider'
+import client from '@renderer/services/client.service'
+import { LoaderCircle } from 'lucide-react'
+import { Event } from 'nostr-tools'
+import { useState } from 'react'
+import UserAvatar from '../UserAvatar'
+import Mentions from './Metions'
+import Preview from './Preview'
+
+export default function PostDialog({
+  children,
+  parentEvent
+}: {
+  children: React.ReactNode
+  parentEvent?: Event
+}) {
+  const { toast } = useToast()
+  const { pubkey, publish } = useNostr()
+  const [open, setOpen] = useState(false)
+  const [content, setContent] = useState('')
+  const [posting, setPosting] = useState(false)
+
+  const handleTextareaChange = (e: React.ChangeEvent<HTMLTextAreaElement>) => {
+    setContent(e.target.value)
+  }
+
+  const post = async (e: React.MouseEvent) => {
+    e.stopPropagation()
+    if (!content || !pubkey || posting) {
+      setOpen(false)
+      return
+    }
+
+    setPosting(true)
+    try {
+      const additionalRelayUrls: string[] = []
+      if (parentEvent) {
+        const relayList = await client.fetchRelayList(parentEvent.pubkey)
+        additionalRelayUrls.push(...relayList.read.slice(0, 5))
+      }
+      const draftEvent = await createShortTextNoteDraftEvent(content, parentEvent)
+      await publish(draftEvent, additionalRelayUrls)
+      setContent('')
+      setOpen(false)
+    } catch (error) {
+      if (error instanceof AggregateError) {
+        error.errors.forEach((e) =>
+          toast({
+            variant: 'destructive',
+            title: 'Failed to post',
+            description: e.message
+          })
+        )
+      } else if (error instanceof Error) {
+        toast({
+          variant: 'destructive',
+          title: 'Failed to post',
+          description: error.message
+        })
+      }
+      console.error(error)
+      return
+    } finally {
+      setPosting(false)
+    }
+    toast({
+      title: 'Post successful',
+      description: 'Your post has been published'
+    })
+  }
+
+  return (
+    <Dialog open={open} onOpenChange={setOpen}>
+      <DialogTrigger asChild>{children}</DialogTrigger>
+      <DialogContent className="p-0" withoutClose>
+        <ScrollArea className="px-4 h-full max-h-screen">
+          <div className="space-y-4 px-2 py-6">
+            <DialogHeader>
+              <DialogTitle>
+                {parentEvent ? (
+                  <div className="flex gap-2 items-center max-w-full">
+                    <div className="shrink-0">Reply to</div>
+                    <UserAvatar userId={parentEvent.pubkey} size="tiny" />
+                    <div className="truncate">{parentEvent.content}</div>
+                  </div>
+                ) : (
+                  'New post'
+                )}
+              </DialogTitle>
+            </DialogHeader>
+            <Textarea
+              onChange={handleTextareaChange}
+              value={content}
+              placeholder="Write something..."
+            />
+            {content && <Preview content={content} />}
+            <DialogFooter className="items-center">
+              <Mentions content={content} parentEvent={parentEvent} />
+              <Button
+                variant="secondary"
+                onClick={(e) => {
+                  e.stopPropagation()
+                  setOpen(false)
+                }}
+              >
+                Cancel
+              </Button>
+              <Button type="submit" disabled={!pubkey || posting} onClick={post}>
+                {posting && <LoaderCircle className="animate-spin" />}
+                Post
+              </Button>
+            </DialogFooter>
+          </div>
+        </ScrollArea>
+      </DialogContent>
+    </Dialog>
+  )
+}

src/renderer/src/components/ReplyNote/index.tsx

@@ -4,6 +4,7 @@ import Content from '../Content'
 import UserAvatar from '../UserAvatar'
 import Username from '../Username'
 import LikeButton from '../NoteStats/LikeButton'
+import PostDialog from '../PostDialog'
 
 export default function ReplyNote({
   event,
@@ -22,15 +23,10 @@ export default function ReplyNote({
     >
       <UserAvatar userId={event.pubkey} size="small" className="shrink-0" />
       <div className="w-full overflow-hidden">
-        <div className="flex items-end gap-2">
+        <Username
-          <Username
+          userId={event.pubkey}
-            userId={event.pubkey}
+          className="text-sm font-semibold text-muted-foreground hover:text-foreground truncate"
-            className="text-sm font-semibold text-muted-foreground hover:text-foreground truncate"
+        />
-          />
-          <div className="text-xs text-muted-foreground shrink-0 -top-[1px] relative">
-            {formatTimestamp(event.created_at)}
-          </div>
-        </div>
         {parentEvent && (
           <div
             className="text-xs text-muted-foreground truncate hover:text-foreground cursor-pointer"
@@ -40,6 +36,12 @@ export default function ReplyNote({
           </div>
         )}
         <Content event={event} size="small" />
+        <div className="flex gap-2 text-xs">
+          <div className="text-muted-foreground/60">{formatTimestamp(event.created_at)}</div>
+          <PostDialog parentEvent={event}>
+            <div className="text-muted-foreground hover:text-primary cursor-pointer">reply</div>
+          </PostDialog>
+        </div>
       </div>
       <LikeButton event={event} variant="reply" />
     </div>
@@ -49,7 +51,7 @@ export default function ReplyNote({
 function ParentReplyNote({ event }: { event: Event }) {
   return (
     <div className="flex space-x-1 items-center text-xs rounded-lg w-fit px-2 bg-muted max-w-full">
-      <div>reply to</div>
+      <div className="shrink-0">reply to</div>
       <UserAvatar userId={event.pubkey} size="tiny" />
       <div className="truncate">{event.content}</div>
     </div>

src/renderer/src/components/ReplyNoteList/index.tsx

@@ -21,7 +21,7 @@ export default function ReplyNoteList({ event, className }: { event: Event; clas
   const loadMore = async () => {
     setLoading(true)
     const relayList = await client.fetchRelayList(event.pubkey)
-    const events = await client.fetchEvents(relayList.read, {
+    const events = await client.fetchEvents(relayList.read.slice(0, 5), {
       '#e': [event.id],
       kinds: [1],
       limit: 100,

src/renderer/src/components/Titlebar/index.tsx

@@ -10,7 +10,7 @@ export function Titlebar({
   return (
     <div
       className={cn(
-        'draggable absolute top-0 w-full h-9 z-50 bg-background/80 backdrop-blur-xl flex items-center font-semibold space-x-1 px-1',
+        'draggable absolute top-0 w-full h-9 z-50 bg-background/80 backdrop-blur-xl flex items-center font-semibold space-x-1 px-2',
         className
       )}
     >

src/renderer/src/components/ui/button.tsx

@@ -19,7 +19,7 @@ const buttonVariants = cva(
         titlebar: 'non-draggable hover:bg-accent hover:text-accent-foreground'
       },
       size: {
-        default: 'h-8 rounded-lg px-2',
+        default: 'h-8 rounded-lg px-3',
         sm: 'h-8 rounded-lg px-2',
         lg: 'h-10 px-4 py-2',
         icon: 'h-8 w-8 rounded-full',

src/renderer/src/components/ui/dialog.tsx

@@ -1,8 +1,8 @@
-import * as React from "react"
+import * as React from 'react'
-import * as DialogPrimitive from "@radix-ui/react-dialog"
+import * as DialogPrimitive from '@radix-ui/react-dialog'
-import { X } from "lucide-react"
+import { X } from 'lucide-react'
 
-import { cn } from "@renderer/lib/utils"
+import { cn } from '@renderer/lib/utils'
 
 const Dialog = DialogPrimitive.Root
 
@@ -19,9 +19,10 @@ const DialogOverlay = React.forwardRef<
   <DialogPrimitive.Overlay
     ref={ref}
     className={cn(
-      "fixed inset-0 z-50 bg-black/80  data-[state=open]:animate-in data-[state=closed]:animate-out data-[state=closed]:fade-out-0 data-[state=open]:fade-in-0",
+      'fixed inset-0 z-50 bg-black/80  data-[state=open]:animate-in data-[state=closed]:animate-out data-[state=closed]:fade-out-0 data-[state=open]:fade-in-0',
       className
     )}
+    onClick={(e) => e.stopPropagation()}
     {...props}
   />
 ))
@@ -29,55 +30,46 @@ DialogOverlay.displayName = DialogPrimitive.Overlay.displayName
 
 const DialogContent = React.forwardRef<
   React.ElementRef<typeof DialogPrimitive.Content>,
-  React.ComponentPropsWithoutRef<typeof DialogPrimitive.Content>
+  React.ComponentPropsWithoutRef<typeof DialogPrimitive.Content> & { withoutClose?: boolean }
->(({ className, children, ...props }, ref) => (
+>(({ className, children, withoutClose, ...props }, ref) => (
   <DialogPortal>
     <DialogOverlay />
     <DialogPrimitive.Content
       ref={ref}
       className={cn(
-        "fixed left-[50%] top-[50%] z-50 grid w-full max-w-lg translate-x-[-50%] translate-y-[-50%] gap-4 border bg-background p-6 shadow-lg duration-200 data-[state=open]:animate-in data-[state=closed]:animate-out data-[state=closed]:fade-out-0 data-[state=open]:fade-in-0 data-[state=closed]:zoom-out-95 data-[state=open]:zoom-in-95 data-[state=closed]:slide-out-to-left-1/2 data-[state=closed]:slide-out-to-top-[48%] data-[state=open]:slide-in-from-left-1/2 data-[state=open]:slide-in-from-top-[48%] sm:rounded-lg",
+        'fixed left-[50%] top-[50%] z-50 grid w-full max-w-lg translate-x-[-50%] translate-y-[-50%] gap-4 border bg-background p-6 shadow-lg duration-200 data-[state=open]:animate-in data-[state=closed]:animate-out data-[state=closed]:fade-out-0 data-[state=open]:fade-in-0 data-[state=closed]:zoom-out-95 data-[state=open]:zoom-in-95 data-[state=closed]:slide-out-to-left-1/2 data-[state=closed]:slide-out-to-top-[48%] data-[state=open]:slide-in-from-left-1/2 data-[state=open]:slide-in-from-top-[48%] sm:rounded-lg',
         className
       )}
+      onClick={(e) => e.stopPropagation()}
       {...props}
     >
       {children}
-      <DialogPrimitive.Close className="absolute right-4 top-4 rounded-sm opacity-70 ring-offset-background transition-opacity hover:opacity-100 focus:outline-none focus:ring-2 focus:ring-ring focus:ring-offset-2 disabled:pointer-events-none data-[state=open]:bg-accent data-[state=open]:text-muted-foreground">
+      {!withoutClose && (
-        <X className="h-4 w-4" />
+        <DialogPrimitive.Close
-        <span className="sr-only">Close</span>
+          className="absolute right-4 top-4 rounded-sm opacity-70 ring-offset-background transition-opacity hover:opacity-100 focus:outline-none focus:ring-2 focus:ring-ring focus:ring-offset-2 disabled:pointer-events-none data-[state=open]:bg-accent data-[state=open]:text-muted-foreground"
-      </DialogPrimitive.Close>
+          onClick={(e) => e.stopPropagation()}
+        >
+          <X className="h-4 w-4" />
+          <span className="sr-only">Close</span>
+        </DialogPrimitive.Close>
+      )}
     </DialogPrimitive.Content>
   </DialogPortal>
 ))
 DialogContent.displayName = DialogPrimitive.Content.displayName
 
-const DialogHeader = ({
+const DialogHeader = ({ className, ...props }: React.HTMLAttributes<HTMLDivElement>) => (
-  className,
+  <div className={cn('flex flex-col space-y-1.5 text-center sm:text-left', className)} {...props} />
-  ...props
-}: React.HTMLAttributes<HTMLDivElement>) => (
-  <div
-    className={cn(
-      "flex flex-col space-y-1.5 text-center sm:text-left",
-      className
-    )}
-    {...props}
-  />
 )
-DialogHeader.displayName = "DialogHeader"
+DialogHeader.displayName = 'DialogHeader'
 
-const DialogFooter = ({
+const DialogFooter = ({ className, ...props }: React.HTMLAttributes<HTMLDivElement>) => (
-  className,
-  ...props
-}: React.HTMLAttributes<HTMLDivElement>) => (
   <div
-    className={cn(
+    className={cn('flex flex-col-reverse sm:flex-row sm:justify-end sm:space-x-2', className)}
-      "flex flex-col-reverse sm:flex-row sm:justify-end sm:space-x-2",
-      className
-    )}
     {...props}
   />
 )
-DialogFooter.displayName = "DialogFooter"
+DialogFooter.displayName = 'DialogFooter'
 
 const DialogTitle = React.forwardRef<
   React.ElementRef<typeof DialogPrimitive.Title>,
@@ -85,10 +77,7 @@ const DialogTitle = React.forwardRef<
 >(({ className, ...props }, ref) => (
   <DialogPrimitive.Title
     ref={ref}
-    className={cn(
+    className={cn('text-lg font-semibold leading-none tracking-tight', className)}
-      "text-lg font-semibold leading-none tracking-tight",
-      className
-    )}
     {...props}
   />
 ))
@@ -100,7 +89,7 @@ const DialogDescription = React.forwardRef<
 >(({ className, ...props }, ref) => (
   <DialogPrimitive.Description
     ref={ref}
-    className={cn("text-sm text-muted-foreground", className)}
+    className={cn('text-sm text-muted-foreground', className)}
     {...props}
   />
 ))
@@ -116,5 +105,5 @@ export {
   DialogHeader,
   DialogFooter,
   DialogTitle,
-  DialogDescription,
+  DialogDescription
 }

src/renderer/src/components/ui/dropdown-menu.tsx

@@ -61,7 +61,7 @@ const DropdownMenuContent = React.forwardRef<
       ref={ref}
       sideOffset={sideOffset}
       className={cn(
-        'z-50 min-w-[8rem] overflow-hidden rounded-md border bg-popover p-1 text-popover-foreground shadow-md data-[state=open]:animate-in data-[state=closed]:animate-out data-[state=closed]:fade-out-0 data-[state=open]:fade-in-0 data-[state=closed]:zoom-out-95 data-[state=open]:zoom-in-95 data-[side=bottom]:slide-in-from-top-2 data-[side=left]:slide-in-from-right-2 data-[side=right]:slide-in-from-left-2 data-[side=top]:slide-in-from-bottom-2',
+        'z-50 min-w-[8rem] overflow-hidden rounded-lg border bg-popover p-1 text-popover-foreground shadow-md data-[state=open]:animate-in data-[state=closed]:animate-out data-[state=closed]:fade-out-0 data-[state=open]:fade-in-0 data-[state=closed]:zoom-out-95 data-[state=open]:zoom-in-95 data-[side=bottom]:slide-in-from-top-2 data-[side=left]:slide-in-from-right-2 data-[side=right]:slide-in-from-left-2 data-[side=top]:slide-in-from-bottom-2',
         className
       )}
       {...props}
@@ -79,7 +79,7 @@ const DropdownMenuItem = React.forwardRef<
   <DropdownMenuPrimitive.Item
     ref={ref}
     className={cn(
-      'relative flex cursor-pointer select-none items-center gap-2 rounded-sm px-2 py-1.5 text-sm outline-none transition-colors focus:bg-accent focus:text-accent-foreground data-[disabled]:pointer-events-none data-[disabled]:opacity-50 [&_svg]:pointer-events-none [&_svg]:size-4 [&_svg]:shrink-0',
+      'relative flex cursor-pointer select-none items-center gap-2 px-2 py-1.5 text-sm outline-none transition-colors focus:bg-accent focus:text-accent-foreground data-[disabled]:pointer-events-none data-[disabled]:opacity-50 [&_svg]:pointer-events-none [&_svg]:size-4 [&_svg]:shrink-0 rounded-md',
       inset && 'pl-8',
       className
     )}

src/renderer/src/components/ui/textarea.tsx

@@ -0,0 +1,23 @@
+import * as React from 'react'
+
+import { cn } from '@renderer/lib/utils'
+
+export interface TextareaProps extends React.TextareaHTMLAttributes<HTMLTextAreaElement> {}
+
+const Textarea = React.forwardRef<HTMLTextAreaElement, TextareaProps>(
+  ({ className, ...props }, ref) => {
+    return (
+      <textarea
+        className={cn(
+          'flex min-h-[80px] w-full rounded-md border border-input bg-background px-3 py-2 text-base ring-offset-background placeholder:text-muted-foreground focus-visible:outline-none focus-visible:ring-2 focus-visible:ring-ring disabled:cursor-not-allowed disabled:opacity-50 md:text-sm',
+          className
+        )}
+        ref={ref}
+        {...props}
+      />
+    )
+  }
+)
+Textarea.displayName = 'Textarea'
+
+export { Textarea }

src/renderer/src/hooks/useFetchEvent.tsx

@@ -9,25 +9,32 @@ export function useFetchEventById(id?: string) {
     const fetchEvent = async () => {
       if (!id) return
 
-      let filter: Filter | undefined
+      let filter: Filter = {}
       if (/^[0-9a-f]{64}$/.test(id)) {
         filter = { ids: [id] }
-      } else if (/^note1[a-z0-9]{58}$/.test(id)) {
+      } else {
-        const { data } = nip19.decode(id as `note1${string}`)
+        const { type, data } = nip19.decode(id)
-        filter = { ids: [data] }
+        switch (type) {
-      } else if (id.startsWith('nevent1')) {
+          case 'note':
-        const { data } = nip19.decode(id as `nevent1${string}`)
+            filter = { ids: [data] }
-        filter = {}
+            break
-        if (data.id) {
+          case 'nevent':
-          filter.ids = [data.id]
+            if (data.id) {
-        }
+              filter.ids = [data.id]
-        if (data.author) {
+            }
-          filter.authors = [data.author]
+            break
-        }
+          case 'naddr':
-        if (data.kind) {
+            filter = {
-          filter.kinds = [data.kind]
+              authors: [data.pubkey],
+              kinds: [data.kind],
+              limit: 1
+            }
+            if (data.identifier) {
+              filter['#d'] = [data.identifier]
+            }
         }
       }
+
       if (!filter) return
 
       let event: Event | undefined

src/renderer/src/layouts/PrimaryPageLayout/AccountButton.tsx

@@ -41,14 +41,13 @@ function ProfileButton({ pubkey }: { pubkey: string }) {
 
   return (
     <DropdownMenu>
-      <DropdownMenuTrigger className="relative non-draggable">
+      <DropdownMenuTrigger className="non-draggable">
-        <Avatar className="w-6 h-6">
+        <Avatar className="w-6 h-6 hover:opacity-90">
           <AvatarImage src={avatar} />
           <AvatarFallback>
             <img src={defaultAvatar} />
           </AvatarFallback>
         </Avatar>
-        <div className="absolute inset-0 hover:bg-black opacity-0 hover:opacity-20 transition-opacity rounded-full" />
       </DropdownMenuTrigger>
       <DropdownMenuContent>
         <DropdownMenuItem onClick={() => push(toProfile(pubkey))}>Profile</DropdownMenuItem>

src/renderer/src/layouts/PrimaryPageLayout/PostButton.tsx

@@ -0,0 +1,17 @@
+import PostDialog from '@renderer/components/PostDialog'
+import { Button } from '@renderer/components/ui/button'
+import { useNostr } from '@renderer/providers/NostrProvider'
+import { PencilLine } from 'lucide-react'
+
+export default function PostButton() {
+  const { pubkey } = useNostr()
+  if (!pubkey) return null
+
+  return (
+    <PostDialog>
+      <Button variant="titlebar" size="titlebar">
+        <PencilLine />
+      </Button>
+    </PostDialog>
+  )
+}

src/renderer/src/layouts/PrimaryPageLayout/index.tsx

@@ -4,6 +4,7 @@ import { ScrollArea } from '@renderer/components/ui/scroll-area'
 import { isMacOS } from '@renderer/lib/platform'
 import { forwardRef, useImperativeHandle, useRef } from 'react'
 import AccountButton from './AccountButton'
+import PostButton from './PostButton'
 import RefreshButton from './RefreshButton'
 import RelaySettingsPopover from './RelaySettingsPopover'
 
@@ -47,11 +48,12 @@ export type TPrimaryPageLayoutRef = {
 export function PrimaryPageTitlebar({ content }: { content?: React.ReactNode }) {
   return (
     <Titlebar className={`justify-between ${isMacOS() ? 'pl-20' : ''}`}>
-      <div className="flex gap-1">
+      <div className="flex gap-2 items-center">
         <AccountButton />
+        <PostButton />
         {content}
       </div>
-      <div className="flex gap-1">
+      <div className="flex gap-2 items-center">
         <RefreshButton />
         <RelaySettingsPopover />
       </div>

src/renderer/src/layouts/SecondaryPageLayout/index.tsx

@@ -38,11 +38,11 @@ export function SecondaryPageTitlebar({
 }): JSX.Element {
   return (
     <Titlebar className="justify-between">
-      <div className="flex items-center gap-1 flex-1 w-0">
+      <div className="flex items-center gap-2 flex-1 w-0">
         <BackButton hide={hideBackButton} />
         <div className="truncate">{content}</div>
       </div>
-      <div className="flex-shrink-0">
+      <div className="flex-shrink-0 flex items-center">
         <ThemeToggle />
       </div>
     </Titlebar>

src/renderer/src/lib/draft-event.ts

@@ -1,7 +1,7 @@
 import { TDraftEvent } from '@common/types'
 import dayjs from 'dayjs'
 import { Event, kinds } from 'nostr-tools'
-import { getEventCoordinate, isReplaceable } from './event'
+import { extractHashtags, extractMentions, getEventCoordinate, isReplaceable } from './event'
 
 // https://github.com/nostr-protocol/nips/blob/master/25.md
 export function createReactionDraftEvent(event: Event): TDraftEvent {
@@ -36,3 +36,35 @@ export function createRepostDraftEvent(event: Event): TDraftEvent {
     created_at: dayjs().unix()
   }
 }
+
+export async function createShortTextNoteDraftEvent(
+  content: string,
+  parentEvent?: Event
+): Promise<TDraftEvent> {
+  const { pubkeys, eventIds, rootEventId, parentEventId } = await extractMentions(
+    content,
+    parentEvent
+  )
+  const hashtags = extractHashtags(content)
+
+  const tags = pubkeys
+    .map((pubkey) => ['p', pubkey])
+    .concat(eventIds.map((eventId) => ['q', eventId])) // TODO: ["q", <event-id>, <relay-url>, <pubkey>]
+    .concat(hashtags.map((hashtag) => ['t', hashtag]))
+    .concat([['client', 'jumble']])
+
+  if (rootEventId) {
+    tags.push(['e', rootEventId, '', 'root'])
+  }
+
+  if (parentEventId) {
+    tags.push(['e', parentEventId, '', 'reply'])
+  }
+
+  return {
+    kind: kinds.ShortTextNote,
+    content,
+    tags,
+    created_at: dayjs().unix()
+  }
+}

src/renderer/src/lib/event.ts

@@ -1,4 +1,5 @@
-import { Event, kinds } from 'nostr-tools'
+import client from '@renderer/services/client.service'
+import { Event, kinds, nip19 } from 'nostr-tools'
 import { replyETag, rootETag, tagNameEquals } from './tag'
 
 export function isNsfwEvent(event: Event) {
@@ -9,9 +10,7 @@ export function isNsfwEvent(event: Event) {
 }
 
 export function isReplyNoteEvent(event: Event) {
-  return (
+  return event.kind === kinds.ShortTextNote && event.tags.some(rootETag)
-    event.kind === kinds.ShortTextNote && event.tags.some((tag) => replyETag(tag) || rootETag(tag))
-  )
 }
 
 export function getParentEventId(event?: Event) {
@@ -30,3 +29,90 @@ export function getEventCoordinate(event: Event) {
   const d = event.tags.find(tagNameEquals('d'))?.[1]
   return d ? `${event.kind}:${event.pubkey}:${d}` : `${event.kind}:${event.pubkey}`
 }
+
+export function getSharableEventId(event: Event) {
+  if (isReplaceable(event.kind)) {
+    const identifier = event.tags.find(tagNameEquals('d'))?.[1] ?? ''
+    return nip19.naddrEncode({ pubkey: event.pubkey, kind: event.kind, identifier })
+  }
+  return nip19.neventEncode({ id: event.id, author: event.pubkey, kind: event.kind })
+}
+
+export async function extractMentions(content: string, parentEvent?: Event) {
+  const pubkeySet = new Set<string>()
+  const eventIdSet = new Set<string>()
+  let rootEventId: string | undefined
+  let parentEventId: string | undefined
+  const matches = content.match(
+    /nostr:(npub1[a-z0-9]{58}|nprofile1[a-z0-9]+|note1[a-z0-9]{58}|nevent1[a-z0-9]+)/g
+  )
+
+  for (const m of matches || []) {
+    try {
+      const id = m.split(':')[1]
+      const { type, data } = nip19.decode(id)
+      if (type === 'nprofile') {
+        pubkeySet.add(data.pubkey)
+      } else if (type === 'npub') {
+        pubkeySet.add(data)
+      } else if (type === 'nevent') {
+        eventIdSet.add(data.id)
+        if (data.author) {
+          pubkeySet.add(data.author)
+        } else {
+          const event = await client.fetchEventById(data.id)
+          if (event) {
+            pubkeySet.add(event.pubkey)
+          }
+        }
+      } else if (type === 'note') {
+        const event = await client.fetchEventById(data)
+        if (event) {
+          pubkeySet.add(event.pubkey)
+        }
+      }
+    } catch (e) {
+      console.error(e)
+    }
+  }
+
+  if (parentEvent) {
+    pubkeySet.add(parentEvent.pubkey)
+    parentEvent.tags.forEach((tag) => {
+      if (tagNameEquals('p')(tag)) {
+        pubkeySet.add(tag[1])
+      } else if (rootETag(tag)) {
+        rootEventId = tag[1]
+      } else if (tagNameEquals('e')(tag)) {
+        eventIdSet.add(tag[1])
+      }
+    })
+    if (rootEventId) {
+      parentEventId = parentEvent.id
+    } else {
+      rootEventId = parentEvent.id
+    }
+  }
+
+  if (rootEventId) eventIdSet.delete(rootEventId)
+  if (parentEventId) eventIdSet.delete(parentEventId)
+
+  return {
+    pubkeys: Array.from(pubkeySet),
+    eventIds: Array.from(eventIdSet),
+    rootEventId,
+    parentEventId
+  }
+}
+
+export function extractHashtags(content: string) {
+  const hashtags: string[] = []
+  const matches = content.match(/#([^\s#]+)/g)
+  matches?.forEach((m) => {
+    const hashtag = m.slice(1).toLowerCase()
+    if (hashtag) {
+      hashtags.push(hashtag)
+    }
+  })
+  return hashtags
+}

src/renderer/src/pages/secondary/ProfilePage/index.tsx

@@ -63,7 +63,11 @@ export default function ProfilePage({ pubkey }: { pubkey?: string }) {
         </div>
       </div>
       <Separator className="my-4" />
-      <NoteList key={pubkey} filter={{ authors: [pubkey] }} relayUrls={relayList.write} />
+      <NoteList
+        key={pubkey}
+        filter={{ authors: [pubkey] }}
+        relayUrls={relayList.write.slice(0, 5)}
+      />
     </SecondaryPageLayout>
   )
 }

src/renderer/src/providers/NoteStatsProvider.tsx

@@ -49,7 +49,7 @@ export function NoteStatsProvider({ children }: { children: React.ReactNode }) {
 
   const fetchNoteLikeCount = async (event: Event) => {
     const relayList = await client.fetchRelayList(event.pubkey)
-    const events = await client.fetchEvents(relayList.read, {
+    const events = await client.fetchEvents(relayList.read.slice(0, 3), {
       '#e': [event.id],
       kinds: [kinds.Reaction],
       limit: 500
@@ -74,7 +74,7 @@ export function NoteStatsProvider({ children }: { children: React.ReactNode }) {
 
   const fetchNoteRepostCount = async (event: Event) => {
     const relayList = await client.fetchRelayList(event.pubkey)
-    const events = await client.fetchEvents(relayList.read, {
+    const events = await client.fetchEvents(relayList.read.slice(0, 3), {
       '#e': [event.id],
       kinds: [kinds.Repost],
       limit: 100
@@ -95,7 +95,7 @@ export function NoteStatsProvider({ children }: { children: React.ReactNode }) {
     if (!pubkey) return false
 
     const relayList = await client.fetchRelayList(pubkey)
-    const events = await client.fetchEvents(relayList.write, {
+    const events = await client.fetchEvents(relayList.write.slice(0, 3), {
       '#e': [event.id],
       authors: [pubkey],
       kinds: [kinds.Reaction]
@@ -123,7 +123,7 @@ export function NoteStatsProvider({ children }: { children: React.ReactNode }) {
     if (!pubkey) return false
 
     const relayList = await client.fetchRelayList(pubkey)
-    const events = await client.fetchEvents(relayList.write, {
+    const events = await client.fetchEvents(relayList.write.slice(0, 3), {
       '#e': [event.id],
       authors: [pubkey],
       kinds: [kinds.Repost]

src/renderer/src/services/client.service.ts

@@ -237,8 +237,8 @@ class ClientService {
         }
       })
       return {
-        write: relayList.write.slice(0, 3),
+        write: relayList.write.slice(0, 10),
-        read: relayList.read.slice(0, 3)
+        read: relayList.read.slice(0, 10)
       }
     })
   }