pissbot-9000/commands/interaction/slash/search/google.js

const { google } = require('#api');
const { paginator } = require('#client');

const { createEmbed, formatPaginationEmbeds, page } = require('#utils/embed');
const { acknowledge } = require('#utils/interactions');
const { link, citation, icon } = require('#utils/markdown')
const { editOrReply } = require('#utils/message')
const { STATICS } = require('#utils/statics')

const { ApplicationCommandOptionTypes } = require('detritus-client/lib/constants');

function renderFooter(context, doodle){
  if(doodle.label) return {
    iconUrl: doodle.super_g,
    text: `${doodle.label} • Google`
  }
  
  return {
    iconUrl: STATICS.google,
    text: `Google • ${context.application.name}`
  }
}

// These have to be synced with the backend (search_service/endpoints/google).
const SEARCH_CARD_TYPES = {
  UNKNONW: 0,
  SEARCH_RESULT: 1,
  KNOWLEDGE_GRAPH: 2,
  DOODLE: 3,
  ENTITY: 4
}

// TODO: create a favicon() util
function createSearchResultPage(context, result, doodle){
  let res;
  switch(result.type){
    case SEARCH_CARD_TYPES.SEARCH_RESULT:
      res = createEmbed("default", context, {
          author: {
            iconUrl: `https://www.google.com/s2/favicons?domain=${encodeURIComponent(result.url)}&sz=256`,
            name: result.title,
            url: result.url
          },
          description: result.content,
          footer: renderFooter(context, doodle)
        })

      if(result.thumbnail) res.thumbnail = { url: result.thumbnail };
    
      break;
    case SEARCH_CARD_TYPES.KNOWLEDGE_GRAPH:
      let header = result.card.title;
      if(result.card.url) header = link(result.card.url, result.card.title)
      res = createEmbed("default", context, {
          description: `### ${header}\n`,
          footer: renderFooter(context, doodle)
        })

      if(result.card.image) res.thumbnail = { url: result.card.image };
      if(result.card.description) res.description += `-# ${result.card.description}\n`
      if(result.card.content){
        let cnt = result.card.content.replace(/\n/g, '')
        if(cnt.endsWith(" ")) cnt = cnt.substr(0,cnt.length - 1)
        res.description += "\n" + cnt + citation(1, result.card.url, "Source")
      }
      break;
    case SEARCH_CARD_TYPES.DOODLE:
      res = createEmbed("default", context, {
        description: `### ${result.card.title}\n${result.card.description}\n\n${link(result.card.learn_more, `Learn More ${icon("link_open_external")}`, "Learn more about this Doodle")}`,
        thumbnail: {
          url: result.card.images.thumbnail 
        },
        image: {
          url: result.card.images.image
        },
        footer: renderFooter(context, doodle)
      })
      break;
    case SEARCH_CARD_TYPES.ENTITY:
      res = createEmbed("default", context, {
        author: {
          name: result.card.title
        },
        thumbnail: {
          url: result.card.images.thumbnail
        },
        description: `-# ${result.card.type}`,
        footer: renderFooter(context, doodle)
      })

      if(!result.card.images.preview && result.card.link == ""){
        delete res.author
        res.description = `### ${result.card.title}\n-# ${result.card.type}`
      }

      if(result.card.color !== "") res.color = parseInt(result.card.color.substring(1,10), 16)

      if(result.card.description !== ""){
        res.description += "\n\n" + result.card.description
        if(result.card.source) res.description += citation(1, result.card.source, "Source") + "\n\n" + link(result.card.source, `Learn More ${icon("link_open_external")}`, "Learn more about this topic");
        else if(result.card.link !== "") res.description += "\n\n" + link(result.card.link, `Learn More ${icon("link_open_external")}`, "Learn more about this topic");
      }

      if(result.card.images.preview) res.author.iconUrl = result.card.images.preview;

      if(result.card.link) res.author.url = result.card.link

      break;
    default:
      res = createEmbed("error", context, "Unknown GoogleResult Type: " + result.type)
      break;
  }
  return page(res);
}

module.exports = {
  name: 'google',
  description: 'Search Google for websites.',
  contexts: [
    0,
    1,
    2
  ],
  integrationTypes: [
    1
  ],
  options: [
    {
      name: 'query',
      description: 'Google search query.',
      type: ApplicationCommandOptionTypes.TEXT,
      required: true
    },
    {
      name: 'incognito',
      description: 'Makes the response only visible to you.',
      type: ApplicationCommandOptionTypes.BOOLEAN,
      required: false,
      default: false
    }
  ],
  run: async (context, args) => {
    await acknowledge(context, args.incognito);
    
    try{
      let search = await google(context, args.query, false) // safe search is always on
      search = search.response
     
      if(search.body.status == 2) return editOrReply(context, createEmbed("error", context, search.body.message))

      let pages = []
      for(const res of search.body.results){
        pages.push(createSearchResultPage(context, res, search.body.doodle))
      }

      if(!pages.length) return editOrReply(context, createEmbed("warning", context, `No results found.`))
      
      await paginator.createPaginator({
        context,
        pages: formatPaginationEmbeds(pages)
      });
    }catch(e){
      console.log(e)
      return editOrReply(context, createEmbed("error", context, `Unable to perform google search.`))
    }
  },
};