config.js.template

'use strict';

// S4S Discovery Data Server
// File: config.js
const version = '20200814';

// Required modules
const argv = require('optimist').argv;
const fs = require('fs');

if (argv.help) {
   console.log('Usage: ' + argv.$0 + ' {--dev | --development}');
   process.exit();
}

var config = {};

// ----- COMMON -----
config.logLevel = 'info';
config.timezone = 'America/Los_Angeles';
config.providerConnectTimeout = 250;
config.providerRequestTimeout = 1000;
config.retries = 1;
config.minRetryTimeout = 250;
config.requestCount=50;

// ----- Per deployment -----
if (argv.dev || argv.development) {
   // DEVELOPMENT
   config.deploy = 'DEVELOPMENT';
   config.listenPort = 8081;
   config.logFile = 'discovery-data.log';
} else {
   // PRODUCTION (default)
   config.deploy = 'PRODUCTION';
   config.listenPort = 80;
   config.logFile = '/var/log/discovery-data.log';
}

// ----- Providers & Participants -----

// Get the object representing all providers:
//   { "provider1-name": { group: "group-name", "base: "url", path: "path", refPath: "path", useOrg: true|false, randLow: "low", randHigh: "high" },
//     ... }
config.providers = JSON.parse(fs.readFileSync('providers.json'));

// Get the object representing all participants:
//   { "id1": { name: "name", flagged: true/false, gender: F/M, dob: "date", dateRange: year1-year2, valueCount: num,
//              providers: [{ providerName: "name", patientId: "id"}, ... ]},
//     ... }
config.participants = JSON.parse(fs.readFileSync('participants.json'));

// Return the array of available provider names
config.providerNames = function () {
   let names = [];
   for (let name in config.providers) {
      names.push(name);
   }
   return names;
}

// Return the array of providers for this id/participant (each { providerName: "name", patientId: "id" })
config.providersForParticipant = function (id) {
   const thisParticipant = config.participants[id];
   return thisParticipant ? thisParticipant.providers : [];
}

// Return the array of group names for this id/participant
config.groupsForParticipant = function (id) {
   const thisParticipant = config.participants[id];
   const providersForParticipant = thisParticipant ? thisParticipant.providers : [];
   let groupNames = [];
   for (let thisProvider of providersForParticipant) {
      let providerInfo = config.providers[thisProvider.providerName];
      if (providerInfo) {
	 let groupName = providerInfo.group;
	 if (groupName && !groupNames.includes(groupName)) {
	    groupNames.push(groupName);
	 }
      }
   }
   return groupNames;
}

// Return the array of providers for this participant and group (each { providerName: "name", patientId: "patient-id", randLow: "low", randHigh: "high" })
config.providersForGroup = function (id, groupName) {
   let providersForGroup = [];
   for (let providerName in config.providers) {
      let thisProvider = config.providers[providerName];
      if (thisProvider.group === groupName) {
	 let thisParticipant = config.participants[id];
	 let providerForParticipant = thisParticipant.providers.find(elt => elt.providerName === providerName);
	 if (providerForParticipant) {
	    providersForGroup.push({ providerName: providerName, patientId: providerForParticipant.patientId,
				     randLow: thisProvider.randLow, randHigh: thisProvider.randHigh });
	 }
      }
   }
   return providersForGroup;
}

// ----- Data -----

config.dataName = 'Discovery';
config.uploadDir = 'uploadedData';
config.dataUploadUrl = function(id) {
   return `http://THIS/data/upload/${id}`;
}
config.dataInfoUrl = 'about:blank';
config.dataContinueLabel = 'Continue';
config.dataContinueUrl = function(id) {
   return `http://APP/uploaded/${id}`;
}
config.dataSuccessMessage = 'Data successfully uploaded.';

module.exports = config;