Past Talks - AI in Action Bot

talkHistory.js

const ScheduledSpeaker = require(’../models/scheduledSpeaker’)
const { completion } = require(’./llm’)

/**

- Gets all past talks.
- @returns {Promise<object[]>} - A promise resolving to an array of past talk documents.
  */
  async function getPastTalks() {
  try {
  const today = new Date()
  today.setUTCHours(0, 0, 0, 0) // Normalize to midnight UTC
  
  return ScheduledSpeaker.find({
  $or: [{ scheduledDate: { $lt: today } }, { talkCompleted: true }],
  }).lean()
  } catch (error) {
  console.error(‘Error fetching past talks:’, error)
  return [] // Return empty array on error
  }
  }

/**

- Checks if a specific topic has been covered in past talks.
- @param {string} queryTopic - The topic to check.
- @returns {Promise<boolean>} - A promise resolving to true if the topic has been covered, false otherwise.
  */
  async function hasTopicBeenCovered(queryTopic) {
  try {
  const pastTalks = await getPastTalks()
  
  if (pastTalks.length === 0) return false
  
  const today = new Date().toISOString().split(‘T’)[0] // Format: YYYY-MM-DD
  
  const topicsForLLM = pastTalks.map((talk) => {
  const talkDate = talk.scheduledDate
  ? talk.scheduledDate.toISOString().split(‘T’)[0]
  : ‘unknown date’
  return `${talk.topic} (${talkDate})`
  }).join(’\n’)
  
  const systemMessage = `You are an assistant helping determine if a specific topic has been covered in past talks. Today's date is ${today}. You are looking at talks that occurred before today or were marked as completed. Given a list of past talk topics with their dates and a query topic, determine if the query topic is similar to any past topic. Respond with ONLY 'yes' if the topic has been covered or 'no' if it hasn't.`
  
  const prompt = `Past talk topics:\n${topicsForLLM}\n\nQuery topic: ${queryTopic}`
  
  const response = await completion({
  systemMessage,
  prompt,
  maxTokens: 10,
  })
  
  return response.trim().toLowerCase() === ‘yes’
  } catch (error) {
  console.error(‘Error checking if topic has been covered:’, error)
  return false // Assume not covered on error
  }
  }

/**

- Finds talks related to a specific topic.
- @param {string} queryTopic - The topic to find related talks for.
- @returns {Promise<object[]>} - A promise resolving to an array of related talk documents.
  */
  async function findRelatedTalks(queryTopic) {
  try {
  const pastTalks = await getPastTalks()
  
  if (pastTalks.length === 0) return []
  
  const today = new Date().toISOString().split(‘T’)[0] // Format: YYYY-MM-DD
  
  const talksForLLM = pastTalks
  .map((talk) => {
  const dateStr = talk.scheduledDate
  ? talk.scheduledDate.toISOString().split(‘T’)[0]
  : ‘unknown date’
  return `ID: ${talk._id}, Topic: ${talk.topic}, Speaker: ${talk.discordUsername || 'unknown'}, Date: ${dateStr}`
  })
  .join(’\n’)
  
  const systemMessage = `You are an assistant helping find talks related to a specific topic. Today's date is ${today}. You are looking at talks that occurred before today or were marked as completed. Given a list of past talks with their details and a query topic, return the IDs of talks that are related to the query topic. Consider semantic similarity and related concepts when determining relevance. Respond with ONLY a comma-separated list of IDs (e.g., "ID1,ID2,ID3") or "none" if no talks are related.`
  
  const prompt = `Past talks:\n${talksForLLM}\n\nQuery topic: ${queryTopic}`
  
  const response = await completion({
  systemMessage,
  prompt,
  maxTokens: 100,
  })
  
  const relatedIds = response.trim().toLowerCase()
  
  if (relatedIds === ‘none’) return []
  
  const ids = relatedIds.split(’,’).map((id) => id.trim())
  return pastTalks.filter((talk) => ids.includes(talk._id.toString()))
  } catch (error) {
  console.error(‘Error finding related talks:’, error)
  return [] // Return empty array on error
  }
  }

module.exports = {
getPastTalks,
hasTopicBeenCovered,
findRelatedTalks,
}