rxbot.js

var TigerConnect = require('tigerconnect')
var httplib = require("./httpLib")

const { Wit } = require('node-wit');

const witClient = new Wit({
  accessToken: ""
});

const botId = "";
var client = new TigerConnect.Client({
  baseUrl: '',
  defaultOrganizationId: '', // use the default org to send all messages in a specific organization unless specified otherwise
  events: {
    autoAck: false,
    isTyping: true,
    multiOrg: true,
    noOfflineMessages: false, // make this true if previous messages should be disregarded
    autoDeliver: false,
    hidden: false,
    closeAfterMessages: false,
  },
  logLevel: 'error', // debug/info/warn/error/fatal
})

client.signIn('', '', { udid: 'unique-device-id' }).then(function (session) {
  onSignedIn(session)
})

function onSignedIn(session) {
  console.log('Signed in as', session.user.displayName)

  client.messages.sendToUser(
    botId,
    'Hello! I am the RxBot.'
  ).then(function (message) {
    const disclaimer = "This product uses publicly available data from the U.S. National Library of Medicine (NLM), National Institutes of Health, Department of Health and Human Services; NLM is not responsible for the product and does not endorse or recommend this or any other product.";
    client.messages.sendToUser(
      botId,
      disclaimer
    ).then(function (message) {
      client.messages.sendToUser(
        botId,
        'Enter "\\help" to get the list of available commands'
      ).then(function (message) {
        client.messages.sendToUser(
          botId,
          'Enter the name of the drug you want information about, in the format "\\drug amoxicillin"'
        ).then(function (message) {
          console.log('sent', message.body, 'to', message.recipient.displayName)
        })
      })
    })
  })

  client.events.connect()

  var drugTypes = []
  var drugStrength = []
  var rxcuis = []
  var rxcui = ""
  var drugName = ""
  var drugNum = ""
  var drugId = ""

  client.on('message', function (message) {

    const msgBody = message.body;
    var splitIndex = ""
    var command = ""
    var remMsg = ""
    var isWitAi = false

    if (msgBody[0] != '\\') {
      witClient.message(msgBody, {})
        .then((data) => {
          isWitAi = true
          console.log(data)
          entities = data.entities;
          console.log(entities);
          var allKeys = Object.keys(entities)
          command = Object.keys(entities)[0]
          remMsg = entities[command][0].value

          //TODO: Remove Hack from here
          if (allKeys.indexOf("moreInfo") > -1) {
            command = "more"
            remMsg = entities["str"][0].value
          }

          console.log(command)
          console.log(remMsg)

          //TODO: Note redundant code here, optimize later

          if (command == "\\drug" || (isWitAi && command == "drug")) {
            drugName = remMsg
            console.log(drugName);
            // Get RxNorm ID
            httplib.getRequestJson("https://clin-table-search.lhc.nlm.nih.gov/api/rxterms/v3/search?ef=STRENGTHS_AND_FORMS,RXCUIS&authenticity_token=&terms=" + drugName, (rxNormResp) => {
              console.log(rxNormResp)
              console.log(rxNormResp[0]);
              if (rxNormResp[0] == 0) {
                httplib.getRequestJson("https://rxnav.nlm.nih.gov/REST/spellingsuggestions.json?name=" + drugName, (approxResp) => {
                  console.log(approxResp);
                  approxDrugs = approxResp.suggestionGroup.suggestionList.suggestion;
                  console.log(approxDrugs)
                  var k = 0;
                  var suggestions = "Did you mean:\n\n";
                  for (k = 0; k < approxDrugs.length; k++) {
                    suggestions += approxDrugs[k] + "\n";
                  }

                  suggestions += '\nPlease type in the command in the format "\\drug amoxicillin" again.';

                  client.messages.sendToUser(
                    botId,
                    suggestions
                  ).then(function (message) {
                    console.log('sent', message.body, 'to', message.recipient.displayName)
                  })

                })
              }
              else {
                drugTypes = rxNormResp[1];
                console.log(drugTypes);
                drugStrength = rxNormResp[2].STRENGTHS_AND_FORMS;
                console.log(drugStrength)
                rxcuis = rxNormResp[2].RXCUIS;
                console.log(rxcuis)

                var i = 0;
                var drugTypeMsg = "Variants available are:\n\n";
                for (i = 0; i < drugTypes.length; i++) {
                  drugTypeMsg += (i + 1) + ".  " + drugTypes[i] + "\n";
                }

                console.log(drugTypeMsg);
                client.messages.sendToUser(
                  botId,
                  drugTypeMsg
                ).then(function (message) {
                  client.messages.sendToUser(
                    botId,
                    'Enter the variant number of the drug in the format "\\str 1" to get dosage and strength information.'
                  ).then(function (message) {
                    console.log('sent', message.body, 'to', message.recipient.displayName)
                  })
                })
              }
            });
          }
          else if (command == "\\str" || (isWitAi && command == "str")) {
            drugNum = remMsg;
            console.log(drugNum);
            var drugstr = "Strengths and Dosages available are:\n\n";
            console.log(drugStrength);
            var drugSelected = drugStrength[drugNum - 1];
            var j = 0;
            for (j = 0; j < drugSelected.length; j++) {
              drugstr += (j + 1) + ".  " + drugSelected[j] + "\n";
            }
            console.log(drugstr);

            client.messages.sendToUser(
              botId,
              drugstr
            ).then(function (message) {
              client.messages.sendToUser(
                botId,
                'To get information about the branded and generic versions of the drug, enter the number of the drug in the format "\\more 1" to get more information'
              ).then(function (message) {
                console.log('sent', message.body, 'to', message.recipient.displayName)
              })
            })
          }
          else if (command == "\\more" || (isWitAi && command == "more")) {
            drugId = remMsg;
            console.log(drugId);
            console.log(rxcuis);
            rxcui = rxcuis[drugNum - 1][drugId - 1]
            var allInfoReq = "https://rxnav.nlm.nih.gov/REST/RxTerms/rxcui/" + rxcuis[drugNum - 1][drugId - 1] + "/allinfo";
            console.log(allInfoReq)
            var moreInfo = "";
            httplib.getRequestXML(allInfoReq, (allInfoResp) => {
              var rxTerm = allInfoResp.rxtermsdata.rxtermsProperties[0]
              console.dir(rxTerm);
              const brandNames = rxTerm.brandName
              if (brandNames.length == 1 && brandNames[0] == '')
                moreInfo += "This drug doesn't have a branded version.\n";
              else if (brandNames.length > 0) {
                var k = 0;
                moreInfo += "The brand names for the drug are:\n"
                for (k = 0; k < brandNames.length; k++) {
                  moreInfo += (k + 1) + ".  " + brandNames[k] + "\n";
                }
                moreInfo += "\n";
              }

              var genericName = rxTerm.fullGenericName;
              if (genericName == "")
                moreInfo += "This drug doesn't have a generic version.\n"
              else
                moreInfo += "The full generic name of the drug is " + genericName + "\n";

              client.messages.sendToUser(
                botId,
                moreInfo
              ).then(function (message) {
                client.messages.sendToUser(
                  botId,
                  'Enter "\\inter yes" to get information about any high priority drug-drug interactions. Enter "\\inter no" to end interaction.'
                ).then(function (message) {
                  console.log('sent', message.body, 'to', message.recipient.displayName)
                })
              })
            })
          }
          else if (command == "\\inter" || (isWitAi && command == "inter") || command == "interaction") {
            var interResp = remMsg;
            if (interResp == "yes" || interResp == "any" || interResp == "interaction" || interResp == "interactions") {
              var interactionsInfo = ""
              var interactionsRequest = "https://rxnav.nlm.nih.gov/REST/interaction/interaction.json?rxcui=" + rxcui + "&sources=ONCHigh"
              httplib.getRequestJson(interactionsRequest, (interactionsResp) => {
                if (!interactionsResp.hasOwnProperty("interactionTypeGroup")) {
                  client.messages.sendToUser(
                    botId,
                    "No interactions found."
                  ).then(function (message) {

                    client.messages.sendToUser(
                      botId,
                      'If desired, enter the name of another drug you want information about, in the format "\\drug amoxicillin"'
                    ).then(function (message) {
                      console.log('sent', message.body, 'to', message.recipient.displayName)
                    })
                  })
                } else {
                  var interactionsList = interactionsResp.interactionTypeGroup[0].interactionType[0].interactionPair
                  {
                    var k = 0;
                    var name = "";
                    for (k = 0; k < interactionsList.length; k++) {
                      name = interactionsList[k].interactionConcept[1].minConceptItem.name
                      severity = interactionsList[k].severity
                      description = interactionsList[k].description
                      interactionsInfo += (k + 1) + ".  " + name + ", " + "\n[" + description + "]" + "\n";
                    }
                  }
                  console.log(interactionsInfo)
                  client.messages.sendToUser(
                    botId,
                    "Below are the names of the interacting drugs and the type of interaction.\n\n" + interactionsInfo
                  ).then(function (message) {
                    client.messages.sendToUser(
                      botId,
                      'If desired, enter the name of another drug you want information about, in the format "\\drug amoxicillin"'
                    ).then(function (message) {
                      console.log('sent', message.body, 'to', message.recipient.displayName)
                    })
                  })

                }
              })
            }
            else if (interResp == "no" || interResp == "stop") {
              client.messages.sendToUser(
                botId,
                'Enter the name of the drug you want information about, in the format "\\drug amoxicillin"'
              ).then(function (message) {
                console.log('sent', message.body, 'to', message.recipient.displayName)
              })
            }
          }
          else if (command == "\\help" || msgBody == "\\help" || (isWitAi && command == "help")) {
            var help = "Commands:\n\n";
            help += "1.  \\drug drugName - Variants of the drug available.\nFor example: \\drug amoxicillin \n\n";
            help += "2.  \\str drugNumber - Strength and Dosage Information.\nFor example: \\str 1 \n\n";
            help += "3.  \\more drugNumber - Information about branded and generic version.\nFor example: \\more 1 \n\n";
            help += "4.  \\inter yes/no - Drug-Drug interaction.\nFor example: \\inter yes";

            client.messages.sendToUser(
              botId,
              help
            ).then(function (message) {
              console.log('sent', message.body, 'to', message.recipient.displayName)
            })
          }
          else {
            const error_msg = 'Sorry, I didn\'t understand that. To find drug information, enter the name of the drug in the format "\\drug amoxicillin"'
            client.messages.sendToUser(
              botId,
              error_msg
            ).then(function (message) {
              console.log('sent', message.body, 'to', message.recipient.displayName)
            })
          }

        })
        .catch(console.error);
    }
    else {
      splitIndex = msgBody.indexOf(" ")
      command = msgBody.substr(0, splitIndex)
      remMsg = msgBody.substr(splitIndex + 1)

      if (command == "\\drug") {
        drugName = remMsg
        console.log(drugName);
        // Get RxNorm ID
        httplib.getRequestJson("https://clin-table-search.lhc.nlm.nih.gov/api/rxterms/v3/search?ef=STRENGTHS_AND_FORMS,RXCUIS&authenticity_token=&terms=" + drugName, (rxNormResp) => {
          console.log(rxNormResp)
          console.log(rxNormResp[0]);
          if (rxNormResp[0] == 0) {
            httplib.getRequestJson("https://rxnav.nlm.nih.gov/REST/spellingsuggestions.json?name=" + drugName, (approxResp) => {
              console.log(approxResp);
              approxDrugs = approxResp.suggestionGroup.suggestionList.suggestion;
              console.log(approxDrugs)
              var k = 0;
              var suggestions = "Did you mean:\n\n";
              for (k = 0; k < approxDrugs.length; k++) {
                suggestions += approxDrugs[k] + "\n";
              }

              suggestions += '\nPlease type in the command in the format "\\drug amoxicillin" again.';

              client.messages.sendToUser(
                botId,
                suggestions
              ).then(function (message) {
                console.log('sent', message.body, 'to', message.recipient.displayName)
              })

            })
          }
          else {
            drugTypes = rxNormResp[1];
            console.log(drugTypes);
            drugStrength = rxNormResp[2].STRENGTHS_AND_FORMS;
            console.log(drugStrength)
            rxcuis = rxNormResp[2].RXCUIS;
            console.log(rxcuis)

            var i = 0;
            var drugTypeMsg = "Variants available are:\n\n";
            for (i = 0; i < drugTypes.length; i++) {
              drugTypeMsg += (i + 1) + ".  " + drugTypes[i] + "\n";
            }

            console.log(drugTypeMsg);
            client.messages.sendToUser(
              botId,
              drugTypeMsg
            ).then(function (message) {
              client.messages.sendToUser(
                botId,
                'Enter the variant number of the drug in the format "\\str 1" to get dosage and strength information.'
              ).then(function (message) {
                console.log('sent', message.body, 'to', message.recipient.displayName)
              })
            })
          }
        });
      }
      else if (command == "\\str") {
        drugNum = remMsg;
        console.log(drugNum);
        var drugstr = "Strengths and Dosages available are:\n\n";
        console.log(drugStrength);
        var drugSelected = drugStrength[drugNum - 1];
        var j = 0;
        for (j = 0; j < drugSelected.length; j++) {
          drugstr += (j + 1) + ".  " + drugSelected[j] + "\n";
        }
        console.log(drugstr);

        client.messages.sendToUser(
          botId,
          drugstr
        ).then(function (message) {
          client.messages.sendToUser(
            botId,
            'To get information about the branded and generic versions of the drug, enter the number of the drug in the format "\\more 1" to get more information'
          ).then(function (message) {
            console.log('sent', message.body, 'to', message.recipient.displayName)
          })
        })
      }
      else if (command == "\\more") {
        drugId = remMsg;
        console.log(drugId);
        console.log(rxcuis);
        rxcui = rxcuis[drugNum - 1][drugId - 1]
        var allInfoReq = "https://rxnav.nlm.nih.gov/REST/RxTerms/rxcui/" + rxcuis[drugNum - 1][drugId - 1] + "/allinfo";
        console.log(allInfoReq)
        var moreInfo = "";
        httplib.getRequestXML(allInfoReq, (allInfoResp) => {
          var rxTerm = allInfoResp.rxtermsdata.rxtermsProperties[0]
          console.dir(rxTerm);
          const brandNames = rxTerm.brandName
          if (brandNames.length == 1 && brandNames[0] == '')
            moreInfo += "This drug doesn't have a branded version.\n";
          else if (brandNames.length > 0) {
            var k = 0;
            moreInfo += "The brand names for the drug are:\n"
            for (k = 0; k < brandNames.length; k++) {
              moreInfo += (k + 1) + ".  " + brandNames[k] + "\n";
            }
            moreInfo += "\n";
          }

          var genericName = rxTerm.fullGenericName;
          if (genericName == "")
            moreInfo += "This drug doesn't have a generic version.\n"
          else
            moreInfo += "The full generic name of the drug is " + genericName + "\n";

          client.messages.sendToUser(
            botId,
            moreInfo
          ).then(function (message) {
            client.messages.sendToUser(
              botId,
              'Enter "\\inter yes" to get information about any high priority drug-drug interactions. Enter "\\inter no" to end interaction.'
            ).then(function (message) {
              console.log('sent', message.body, 'to', message.recipient.displayName)
            })
          })
        })
      }
      else if (command == "\\inter") {
        var interResp = remMsg;
        if (interResp == "yes") {
          var interactionsInfo = ""
          var interactionsRequest = "https://rxnav.nlm.nih.gov/REST/interaction/interaction.json?rxcui=" + rxcui + "&sources=ONCHigh"
          httplib.getRequestJson(interactionsRequest, (interactionsResp) => {
            if (!interactionsResp.hasOwnProperty("interactionTypeGroup")) {
              client.messages.sendToUser(
                botId,
                "No interactions found."
              ).then(function (message) {

                client.messages.sendToUser(
                  botId,
                  'If desired, enter the name of another drug you want information about, in the format "\\drug amoxicillin"'
                ).then(function (message) {
                  console.log('sent', message.body, 'to', message.recipient.displayName)
                })
              })
            } else {
              var interactionsList = interactionsResp.interactionTypeGroup[0].interactionType[0].interactionPair
              {
                var k = 0;
                var name = "";
                for (k = 0; k < interactionsList.length; k++) {
                  name = interactionsList[k].interactionConcept[1].minConceptItem.name
                  severity = interactionsList[k].severity
                  description = interactionsList[k].description
                  interactionsInfo += (k + 1) + ".  " + name + ", " + "\n[" + description + "]" + "\n";
                }
              }
              console.log(interactionsInfo)
              client.messages.sendToUser(
                botId,
                "Below are the names of the interacting drugs and the type of interaction.\n\n" + interactionsInfo
              ).then(function (message) {
                client.messages.sendToUser(
                  botId,
                  'If desired, enter the name of another drug you want information about, in the format "\\drug amoxicillin"'
                ).then(function (message) {
                  console.log('sent', message.body, 'to', message.recipient.displayName)
                })
              })

            }
          })
        }
        else if (interResp == "no") {
          client.messages.sendToUser(
            botId,
            'Enter the name of the drug you want information about, in the format "\\drug amoxicillin"'
          ).then(function (message) {
            console.log('sent', message.body, 'to', message.recipient.displayName)
          })
        }
      }
      else if (command == "\\help" || msgBody == "\\help") {
        var help = "Commands:\n\n";
        help += "1.  \\drug drugName - Variants of the drug available.\nFor example: \\drug amoxicillin \n\n";
        help += "2.  \\str drugNumber - Strength and Dosage Information.\nFor example: \\str 1 \n\n";
        help += "3.  \\more drugNumber - Information about branded and generic version.\nFor example: \\more 1 \n\n";
        help += "4.  \\inter yes/no - Drug-Drug interaction.\nFor example: \\inter yes";

        client.messages.sendToUser(
          botId,
          help
        ).then(function (message) {
          console.log('sent', message.body, 'to', message.recipient.displayName)
        })
      }
      else {
        const error_msg = 'Sorry, I didn\'t understand that. To find drug information, enter the name of the drug in the format "\\drug amoxicillin"'
        client.messages.sendToUser(
          botId,
          error_msg
        ).then(function (message) {
          console.log('sent', message.body, 'to', message.recipient.displayName)
        })
      }



    }


  })


}