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Exam Seating App

The seating app assigns seats to students, taking some basic preferences into account. Students can log in with their Ok account to view their seat in their room. General course staff can project the seating chart during the beginning of the exam and help individual students find their seat. An admin TA (configured through config vars) will be able to choose rooms, assign seats, and mass email students their seat assignment.

This app uses Ok to manage access. Even if you aren't using Ok for assignments, you should create a course on Ok and enroll all of your staff, academic interns, and students with the appropriate roles.

Usage (Admin TAs for Courses)

In summary, setting up the seating chart involves these steps: 0. Register your course on [auth.apps.cs61a.org], specifying your OKPy endpoint, and adding your desired domain for the seating app. Then contact us to activate the seating app for that domain.

  1. Create an exam (ex. Midterm 1 or Final).
  2. Add rooms. Choose your rooms from our selection or import your own custom room.
  3. Import students. Customize your student preferences (left seat, front/back, buildings, etc.)
  4. Assign! Then email!

Read further for more details regarding each step.

Choosing rooms

Import a room

Room data is entered from a Google Sheet. If you picked your rooms from our selection, those rooms are imported from the master room sheet.

Master: https://drive.google.com/open?id=1cHKVheWv2JnHBorbtfZMW_3Sxj9VtGMmAUU2qGJ33-s

If the room you want does not exist, you can try looking through the rooms used in the past years.

Create a room

You can also create and customize the room you want with a Google spreadsheet.

One row of the spreadsheet corresponds to one row. The "Row" and "Seat" columns specify the name of a seat. The "X" and "Y" are the coordinates in the seating chart. If "X" is left blank, it defaults to one space stage right (house left) to the previous seat. If "Y" is left blank, it defaults to the Y coordinate of the previous seat. The remaining columns are arbitrary TRUE/FALSE "attributes", which can give labels to seats such as LEFTY, RIGHTY, AISLE, FRONT, or RESERVED. A blank value is interpreted as FALSE. Student preferences are given in terms of these labels, and are used to match students to seats. It's helpful while creating your room to preview it on the Import rooms page.

On the Import Rooms page, you can preview the seating chart for a room by specifying a room name, Google Sheets URL, and sheet name. Create the room when you're sure it's ready.

If you created your own room sheet because it previously did not exist, we would appreciate you adding the sheet to the master doc.

Importing and Assigning students

To import students, create a Google spreadsheet with the columns "Name", "Student ID", "Email", and "bCourses ID". The remaining columns are arbitrary attributes (ex: LEFTY, RIGHTY, BROKEN) that express student preferences. This spreadsheet must be shared with the 61A service account [email protected].

For example, if a student has LEFTY=TRUE, they will be assigned a seat with the LEFTY attribute. If a student has LEFTY=FALSE, they will be assigned a seat without the LEFTY attribute. If a student's LEFTY attribute is blank, i.e. TRUE nor FALSE, then they will could be assigned to either a LEFTY or non-LEFTY seat as if they don't care.

You can add students to the spreadsheet and import them again later. Duplicates will be merged.

Assign students by clicking on the assign button. Only unassigned students will be assigned a seat. To reassign a student, delete their corresponding row from the seat_assignments table.

Emailing students

Students will receive an email that looks like

Hi -name-,

Here's your assigned seat for -exam-:

Room: -room-

Seat: -seat-

You can view this seat's position on the seating chart at:
<domain>/seat/-seatid-/

-additional text-

The "additional text" is a good place to tell them what to do if they have an issue with their seat, and to sign the email (e.g. "- Cal CS 61A Staff").

Roster Photos

To allow for roster photos to appear in the app, set the PHOTO_DIRECTORY env variable to a directory containing files at the path:

{PHOTO_DIRECTORY}/{Course Offering}/{bCourses ID}.jpeg

The bCourses ID column is used to determine which photo to display for which student.

In the past, we've used the DownThemAll Firefox extension to grab all of our roster photos from bCourses. That extension no longer works in Firefox Quantum, so you can either use an old version of Firefox with support for legacy add-ins, or use the script download_bcourses_photos.py in this repo.

During the exam

Staff can project the seating chart, and use the seating chart to identity cheaters.

Authentication

Viewing full seating charts requires logging in as a TA or tutor through Ok.

All paths at an exam route (e.g. /cal/cs61a/fa17/midterm1) require a proper staff login.

The /seat/<id> routes are publicly accessible, and highlight a single seat on a room's full seating chart without displaying any student info or info about seat assignments.

When a student attempts to log in, they will be redirected to their assigned seat page if it exists.

Creating exams

Create an exam by pressing Add Exam on the home page. Click the star next to an exam to mark it as Active, so students can see their seat for that exam.

Setup (development)

  1. Clone the repository and change directories into the repository.
	git clone https://github.com/Cal-CS-61A-Staff/seating.git
	cd seating
  1. Create and activate a virtual environment.
	python3 -m venv env 
	source env/bin/activate
  1. Use pip to install all the dependencies.
	pip install -r requirements.txt

  1. Add yourself to cal/test/fa18 course (both as student and instructor but with different emails). Development server uses cal/test/fa18 as its test OKPY course.

  2. Make sure your virtual environment is activated. Then set up the environment variables.

export FLASK_APP = server  (or server/__init__.py)
export FLASK_ENV = development

  1. Modify config.py as necessary. Set AUTH_KEY, AUTH_CLIENT_SECRET, SENDGRID_API_KEY, PHOTO_DIRECTORY, ADMIN as needed.

  2. Import demo data for students and rooms (photos TBA).

  3. Initialize tables and seed the data: flask resetdb This command drops previous tables, initializes tables and adds seeds the exams table. Students, rooms, etc. must be imported (see how in the previous section, Using the app).

  4. Run the app: flask run This commands only needs to be run once.

  5. Open localhost:5000

Production (Adding Another Class)

Update configs at https://auth.apps.cs61a.org/ where relevant

Production (First Time Deployment on dokku)

dokku apps:create seating
dokku mysql:create seating
dokku mysql:link seating seating
# Set DNS record
dokku domains:add seating seating.cs61a.org
# Change OK OAuth to support the domain

dokku config:set seating <ENVIRONMENT VARIABLES>

git remote add dokku [email protected]:seating
git push dokku master

dokku run seating flask initdb
dokku letsencrypt seating

Also update any necessary configurations on GCLOUD. (There will be a linked URL).

Environment variables

FLASK_APP=server/__init__.py
SECRET_KEY
DATABASE_URL
OK_CLIENT_ID
OK_CLIENT_SECRET
AUTH_KEY
AUTH_CLIENT_SECRET
PHOTO_DIRECTORY=/app/storage
ADMIN

You can create an Ok OAuth client here, though it will need to be approved by an Ok admin before it can be used.