feat: Get All Postings, Edit Postings, and Get Interests

pages/api/matching/editPosting.ts

@@ -0,0 +1,79 @@
+import { firestore } from 'firebase-admin';
+import { NextApiRequest, NextApiResponse } from 'next';
+import initializeApi from '../../../lib/admin/init';
+import { userIsAuthorized } from '../../../lib/authorization/check-authorization';
+
+initializeApi();
+const db = firestore();
+const POSTINGS_COLLECTION = '/postings';
+
+interface PostingData {
+  postingId: string;
+  numberOfPeopleWanted: number;
+  skillSet: string;
+}
+
+// Define the function to edit a posting, which is asynchronous and takes a Next.js API request and response.
+async function editPosting(req: NextApiRequest, res: NextApiResponse) {
+  // Destructure and extract postingId, numberOfPeopleWanted, and skillSet from the request body.
+  const { postingId, numberOfPeopleWanted, skillSet }: PostingData = req.body;
+
+  // Validate the request body to ensure that postingId, numberOfPeopleWanted, and skillSet are provided.
+  if (!postingId || numberOfPeopleWanted === undefined || !skillSet) {
+    // If any required fields are missing, return a 400 status code and an error message.
+    return res.status(400).json({ msg: 'Missing required fields' });
+  }
+
+  try {
+    // Reference the specific posting document in the Firestore database using the postingId.
+    const postingRef = db.collection(POSTINGS_COLLECTION).doc(postingId);
+    // Attempt to retrieve the document from Firestore.
+    const postingDoc = await postingRef.get();
+
+    // Check if the document exists. If not, return a 404 status code and an error message.
+    if (!postingDoc.exists) {
+      return res.status(404).json({ msg: 'Posting not found' });
+    }
+
+    // If the document exists, update it with the new numberOfPeopleWanted and skillSet values.
+    await postingRef.update({
+      numberOfPeopleWanted,
+      skillSet,
+    });
+
+    return res.status(200).json({
+      msg: 'Posting updated successfully',
+      posting: { ...postingDoc.data(), numberOfPeopleWanted, skillSet },
+    });
+  } catch (error) {
+    // If an error occurs during the process, log the error and return a 500 status code with an error message.
+    console.error('Error updating posting:', error);
+    return res.status(500).json({ msg: 'Internal server error' });
+  }
+}
+
+async function handlePostRequest(req: NextApiRequest, res: NextApiResponse) {
+  const userToken = req.headers['authorization'] as string;
+  const isAuthorized = await userIsAuthorized(userToken, ['hacker']);
+  if (!isAuthorized) {
+    return res.status(403).json({
+      msg: 'Request is not allowed to perform hacker functionality',
+    });
+  }
+
+  return editPosting(req, res);
+}
+
+export default function handler(req: NextApiRequest, res: NextApiResponse) {
+  const { method } = req;
+  switch (method) {
+    case 'POST': {
+      return handlePostRequest(req, res);
+    }
+    default: {
+      return res.status(404).json({
+        msg: 'Route not found',
+      });
+    }
+  }
+}

pages/api/matching/getInterests.ts

@@ -0,0 +1,72 @@
+import { firestore } from 'firebase-admin';
+import { NextApiRequest, NextApiResponse } from 'next';
+import initializeApi from '../../../lib/admin/init';
+import { userIsAuthorized } from '../../../lib/authorization/check-authorization';
+
+initializeApi();
+const db = firestore();
+
+// Enhanced function to get all users interested in a specific posting
+async function getInterestedUsers(req: NextApiRequest, res: NextApiResponse) {
+  try {
+    // Validate the input: ensure a postingId is provided
+    const postingId = req.query.postingId as string;
+    if (!postingId) {
+      return res.status(400).json({ error: 'Posting ID must be provided.' });
+    }
+
+    // Reference to the interestedPeople sub-collection for the given postingId
+    const interestedRef = db.collection('postings').doc(postingId).collection('interestedPeople');
+
+    // Fetch the documents from the sub-collection
+    const snapshot = await interestedRef.get();
+
+    // If there are no interested users, return an empty array with a message
+    if (snapshot.empty) {
+      return res
+        .status(404)
+        .json({ message: 'No interested users found for this posting.', interestedUsers: [] });
+    }
+
+    // Map over the documents to extract the data
+    const interestedUsers = snapshot.docs.map((doc) => {
+      const userData = doc.data();
+      return {
+        name: userData.name,
+        email: userData.email,
+      };
+    });
+
+    // Return the list of interested users
+    return res.status(200).json(interestedUsers);
+  } catch (error) {
+    console.error('Failed to retrieve interested users:', error);
+    // Return a generic error message
+    return res.status(500).json({ error: 'An error occurred while fetching interested users.' });
+  }
+}
+
+async function handleGetRequest(req: NextApiRequest, res: NextApiResponse) {
+  const userToken = req.headers['authorization'] as string;
+  const isAuthorized = await userIsAuthorized(userToken, ['hacker']);
+  if (!isAuthorized) {
+    return res.status(403).json({
+      msg: 'Request is not allowed to perform this functionality',
+    });
+  }
+  return getInterestedUsers(req, res);
+}
+
+export default function handler(req: NextApiRequest, res: NextApiResponse) {
+  const { method } = req;
+  switch (method) {
+    case 'GET': {
+      return handleGetRequest(req, res);
+    }
+    default: {
+      return res.status(404).json({
+        msg: 'Route not found',
+      });
+    }
+  }
+}

pages/api/matching/getPostings.ts

@@ -0,0 +1,60 @@
+import { firestore } from 'firebase-admin';
+import { NextApiRequest, NextApiResponse } from 'next';
+import initializeApi from '../../../lib/admin/init';
+import { userIsAuthorized } from '../../../lib/authorization/check-authorization';
+
+initializeApi();
+const db = firestore();
+const POSTINGS_COLLECTION = '/postings';
+
+interface PostingData {
+  postingId: string;
+}
+
+// Define an asynchronous function to retrieve all postings from the database.
+async function getAllPostings(req: NextApiRequest, res: NextApiResponse) {
+  try {
+    // Attempt to get all documents from the 'POSTINGS_COLLECTION' in Firestore.
+    const postingsSnapshot = await db.collection(POSTINGS_COLLECTION).get();
+
+    // Transform the documents snapshot into an array of objects. Each object contains
+    // the document ID and the document's data (fields like numberOfPeopleWanted, skillSet, etc.).
+    const postings = postingsSnapshot.docs.map((doc) => ({ id: doc.id, ...doc.data() }));
+
+    // Return a 200 OK status with the array of postings as JSON. This response
+    // includes all postings currently in the 'POSTINGS_COLLECTION'.
+    return res.status(200).json(postings);
+  } catch (error) {
+    // If an error occurs during the process of retrieving or processing the postings,
+    // log the error to the console for debugging purposes and return a 500 Internal Server
+    // Error status with an error message.
+    console.error('Error retrieving postings:', error);
+    return res.status(500).json({ msg: 'Internal server error' });
+  }
+}
+
+async function handleRequest(req: NextApiRequest, res: NextApiResponse) {
+  const userToken = req.headers['authorization'] as string;
+  const isAuthorized = await userIsAuthorized(userToken, ['hacker']);
+  if (!isAuthorized) {
+    return res.status(403).json({
+      msg: 'Request is not allowed to perform this functionality',
+    });
+  }
+
+  return getAllPostings(req, res);
+}
+
+export default function handler(req: NextApiRequest, res: NextApiResponse) {
+  const { method } = req;
+  switch (method) {
+    case 'GET': {
+      return handleRequest(req, res);
+    }
+    default: {
+      return res.status(404).json({
+        msg: 'Route not found',
+      });
+    }
+  }
+}