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utils/storyChatMessage.js

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+const MessageModel = require('../models/MessageModel')
+const UserModel = require('../models/UserModel')
+const { enrichMessage, emitChatEvents } = require('../helpers/chatHelpers')
+const { viewerIsBlockedBy } = require('./blockVisibility')
+
+function storyMediaUrl (storagePath) {
+  if (!storagePath) return ''
+  const normalized = storagePath.replace(/\\/g, '/')
+  const idx = normalized.indexOf('/storage/')
+  if (idx >= 0) return normalized.slice(idx)
+  return normalized.replace('/root/modstagram-back/storage', '/storage')
+}
+
+async function sendStoryReactionMessage ({
+  io,
+  senderId,
+  receiverId,
+  story,
+  owner,
+  reactionType,
+  commentText
+}) {
+  if (!senderId || !receiverId || !story) return false
+  if (String(senderId) === String(receiverId)) return false
+
+  const receiver = await UserModel.findById(receiverId)
+    .select('blocked_users')
+    .lean()
+  if (!receiver) return false
+  if (viewerIsBlockedBy(receiver, senderId)) return false
+  if (owner && viewerIsBlockedBy(owner, senderId)) return false
+
+  const sharedStory = {
+    storyId: String(story._id),
+    mediaType: story.media_type,
+    preview: storyMediaUrl(story.media_path),
+    ownerUserName: owner?.user_name || '',
+    ownerDisplayName:
+      `${owner?.first_name || ''} ${owner?.last_name || ''}`.trim() ||
+      owner?.user_name ||
+      'کاربر',
+    reactionType
+  }
+
+  const suffix =
+    reactionType === 'like'
+      ? '❤️'
+      : (commentText || '').trim()
+
+  const content = `${JSON.stringify({ sharedStory })}\n${suffix}`
+
+  const newMessage = new MessageModel({
+    senderId,
+    receiverId,
+    content
+  })
+  await newMessage.save()
+
+  if (io) {
+    const formatted = await enrichMessage(newMessage)
+    emitChatEvents(io, formatted, senderId, receiverId)
+  }
+
+  return true
+}
+
+module.exports = {
+  sendStoryReactionMessage,
+  storyMediaUrl
+}