homework week2

nodejs/week2/app/.gitignore

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+node_modules/

nodejs/week2/app/app.js

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+import express from "express";
+import data from "./documents.json" assert { type: "json" };
+
+const app = express();
+const port = process.env.PORT || 3000;
+
+app.use(express.json());
+
+app.get("/", (req, res) => {
+  res.send("This is a search engine");
+});
+
+//
+app.get("/search", (req, res) => {
+  const { q } = req.query;
+  if (!q) {
+    return res.json(data);
+  }
+
+  const filteredData = data.filter((doc) =>
+    Object.values(doc).some((value) =>
+      String(value).toLowerCase().includes(q.toLowerCase())
+    )
+  );
+
+  res.json(filteredData); 
+});
+
+//
+app.get("/documents/:id", (req, res) => {
+  const searchedData = data.find((element) => element.id === req.params.id);
+
+  if (!searchedData) {
+    return res.status(404).json({ error: "ID not found" });
+  }
+
+  res.json(searchedData);
+});
+
+//
+app.post("/search", (req, res) => {
+  const { q } = req.query;
+  const { fields } = req.body;
+
+  if (q && fields) {
+    return res.status(400).json({ error: "Cannot provide both q (query) and fields" });
+  }
+
+  if (q) {
+    const filteredData = data.filter((doc) =>
+      Object.values(doc).some((value) =>
+        String(value).toLowerCase().includes(q.toLowerCase())
+      )
+    );
+    return res.json(filteredData);
+  }
+
+  if (fields) {
+    const filteredData = data.filter((doc) =>
+      Object.entries(fields).every(([key, value]) => doc[key] == value)
+    );
+
+    return res.json(filteredData);
+  }
+
+  res.json(data); 
+});
+
+app.listen(port, () => {
+  console.log(`Listening on port ${port}`);
+});

nodejs/week2/app/documents.json

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+[
+    {
+        "id": 1,
+        "name": "Used Apple Airpods",
+        "price": "50",
+        "description": "Battery life is not great"
+    },
+    {
+        "id": 2,
+        "type": "doc",
+        "value": "hello world"
+    }
+]