Completed 3.4

parts/3/phonebookBackend/index.js

@@ -48,6 +48,31 @@ app.get("/api/persons/:id", (request, response) => {
   }
 });
 
+app.delete("/api/persons/:id", (request, response) => {
+  const idToDelete = request.params.id;
+
+  const requestedPersonIndex = persons.findIndex((person) => {
+    console.log(`Person ID: ${person.id}`);
+    console.log(`ID to delete: ${idToDelete}`);
+    console.log(`Do they match? ${person.id === idToDelete}`);
+
+    return person.id === idToDelete;
+  });
+
+  console.log(requestedPersonIndex);
+
+  if (requestedPersonIndex !== -1) {
+    persons.splice(requestedPersonIndex, 1);
+    return response.status(204).json({ success: true });
+  }
+
+  if (requestedPersonIndex === -1) {
+    return response
+      .status(404)
+      .json({ success: true, message: "id not found" });
+  }
+});
+
 app.get("/info", (request, response) => {
   let responseString = `<p>Phonebook has info for ${persons.length} people</p>`;
   responseString += `<p>${new Date().toString()}</p>`;

parts/3/phonebookBackend/requests/delete_person.rest

@@ -0,0 +1 @@
+DELETE http://localhost:3001/api/persons/2