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Birmingham | 26-Jul-SDC | Merve Reis | Sprint 3 | Middleware CYF-1165 - #123

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Birmingham | 26-Jul-SDC | Merve Reis | Sprint 3 | Middleware CYF-1165#123
mervereis wants to merge 9 commits into
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mervereis:sprint3-middleware-exercises

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@mervereis mervereis commented Sep 17, 2026 •
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Learners, PR Template

Self checklist

  • I have titled my PR with Region | Cohort | FirstName LastName | Sprint | Assignment Title
  • My changes meet the requirements of the task
  • I have tested my changes
  • My changes follow the style guide

CYF-1165

wrote two new middleware demonstrating Express middleware.

@mervereis
feat: initialize backend and frontend for group chat application
1c935a0 
- Added backend with Express server and message handling routes
- Implemented message sending, fetching, and reacting functionalities
- Created frontend HTML structure for chat interface
- Developed JavaScript for message rendering and user interactions
- Styled chat application with CSS for better user experience
@mervereis
feat: add Dockerfile for backend setup
649db14
@mervereis
feat: implement long-polling for message retrieval and update message…
39df628 
… handling
@mervereis
fix: update CORS configuration to remove unused origins
c22864b
@mervereis
fix: update server and client URLs for deployment
835930f
@mervereis
fix: improve message filtering and update handling in polling function
d164cad
@mervereis
feat: initialize backend and frontend for chat application
f000da2 
- Added package.json for backend with necessary dependencies (express, cors, crypto).
- Implemented server.js for handling message retrieval, sending, and reactions with long-polling support.
- Created index.html for the frontend chat interface with a message input area and display for chat messages.
- Developed script.js to manage message fetching, sending, and user interactions (like, dislike, reply).
- Styled the chat application with style.css for a user-friendly interface.
@mervereis
chore: add package.json for middleware-exercises with express dependency
3cb67fb
@mervereis
Remove unnecessary backend and frontend
8eda15a
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@mervereis mervereis added the Needs Review Trainee to add when requesting review. PRs without this label will not be reviewed. label Sep 17, 2026
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@mervereis mervereis changed the title Birmingham | 26-Jul-SDC | Merve Reis | Sprint3 | middleware exercises Birmingham | 26-Jul-SDC | Merve Reis | Sprint 3 | middleware exercises Sep 17, 2026
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@mervereis mervereis changed the title Birmingham | 26-Jul-SDC | Merve Reis | Sprint 3 | middleware exercises Birmingham | 26-Jul-SDC | Merve Reis | Sprint 3 | middleware exercises | CYF-1165 Sep 17, 2026
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@mervereis mervereis changed the title Birmingham | 26-Jul-SDC | Merve Reis | Sprint 3 | middleware exercises | CYF-1165 Birmingham | 26-Jul-SDC | Merve Reis | Sprint 3 | middleware exercises CYF-1165 Sep 17, 2026
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@mervereis mervereis changed the title Birmingham | 26-Jul-SDC | Merve Reis | Sprint 3 | middleware exercises CYF-1165 Birmingham | 26-Jul-SDC | Merve Reis | Sprint 3 | Middleware CYF-1165 Sep 17, 2026
@mervereis mervereis added the Needs Review Trainee to add when requesting review. PRs without this label will not be reviewed. label Sep 17, 2026
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@mervereis mervereis added the Needs Review Trainee to add when requesting review. PRs without this label will not be reviewed. label Sep 17, 2026
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@mervereis mervereis added the Needs Review Trainee to add when requesting review. PRs without this label will not be reviewed. label Sep 17, 2026
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@mervereis mervereis added the Needs Review Trainee to add when requesting review. PRs without this label will not be reviewed. label Sep 17, 2026
LonMcGregor
LonMcGregor reviewed Oct 7, 2026
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@LonMcGregor LonMcGregor left a comment

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Good start on this task, apologies for the late review.

I've spotted a couple of areas you could look at again, see my comments below.

Comment thread middleware-exercises/Custom-Middleware.js

if (req.username) {
res.send(
`You are authenticated as ${req.username}.\n\n` +

@LonMcGregor LonMcGregor Oct 7, 2026

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Given these messages are quite similar, could you rework the if block to reduce the code duplication?

Comment thread middleware-exercises/Off-shell-middlewares.js
next();
}

app.use(express.json());

@LonMcGregor LonMcGregor Oct 7, 2026

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Does express.json() do all of the checks you did in your original code?

@LonMcGregor LonMcGregor added Reviewed Volunteer to add when completing a review with trainee action still to take. and removed Needs Review Trainee to add when requesting review. PRs without this label will not be reviewed. labels Oct 7, 2026
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