index.js

import express from "express"
import mongoose from "mongoose"
import keys from "./config/keys.js"
import { Category, Event, Patient } from "./models/Schemas.js"

const app = express()

app.use(express.json())

mongoose.connect(keys.mongoURI)

// Patient search
app.get("/api/search/patients", async (req, res) => {
   let result = await Patient.aggregate([
      {
         $search: {
            autocomplete: {
               path: "fullName",
               query: `${req.query.q}`
            }
         }
      }, {
         $limit: 10
      }, {
         $project: {
            _id: 1,
            fullName: 1,
            dateOfBirth: 1
         }
      }
   ])
   res.send(result)
})

// Get 10 latest updated patients
app.get("/api/patients/popular", async (req, res) => {
   const patients = await Patient.find().sort({ updatedAt: -1 }).limit(10).select("_id fullName dateOfBirth")
   res.send(patients)
})

// Get patient main info
app.get("/api/patients/:patientId", async (req, res) => {
   const patientId = req.params.patientId
   const patient = await Patient.findById(patientId)
   res.send(patient)
})

// Get all events of a given patient
app.get("/api/patients/:patientId/events", async (req, res) => {
   const patientId = req.params.patientId
   const limit = req.query.n
   const events = await Event.find({ patient: patientId })
      .limit(limit)
      .populate({
         path: "category",
         model: "Category"
      })
   res.send(events)
})

// Get all events under a category of a given patient
app.get("/api/patients/:patientId/categories/:categoryId", async (req, res) => {
   const patientId = req.params.patientId
   const categoryId = req.params.categoryId
   const events = await Event.find({ patient: patientId, category: categoryId })
      .populate({
         path: "category",
         model: "Category"
      })
   res.send(events)
})

import path from "path"
import { fileURLToPath } from "url"
const __filename = fileURLToPath(import.meta.url)
const __dirname = path.dirname(__filename)

app.use(express.static(path.join(__dirname, "public")))

app.get("*", (req, res) => {
   res.sendFile(path.join(__dirname, "public", "index.html"))
})

const port = process.env.PORT || 5000
app.listen(port, () => {
   console.log("Backend server is running on port 5000.")
})