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Goal

Development of a web application called onlineLearner.

Functionalities

  • A user can see under "My courses" the courses he has created and the ones he is enrolled in. The courses with at least one free place are under "Available courses".
  • A user can create courses. Some information about the course (course name, description, total number of places, enrolment key) must be entered in a form and is sent via a mail request.
  • Clicking on the title of a course displays the details of the course. The name, the number of free places, the description and a list of exercises of the course are displayed.
  • A user can register for existing courses if there is still at least one free place. This can be done after viewing the course details page.
  • A user can only delete courses that he has created. If he tries to delete another course, he will receive an error message. Deleting a course is only possible on the course details page.
  • On the course details page it is possible to upload a submission for an exercise. A submission contains text. It can only be done once for an exercise.

NB: Users are hardcoded for simplicity. Therefore no login functionality.

Python Installation

1. install Python (https://www.python.org/downloads/) on your computer

Change the config parameters

1. replace the values in properties.settings with your account and DB data

Create a virtual environment (one-time)

1. navigate to the project folder -> cd ../block3/projekte/python/onlineLearner
2. python3 -m venv venv
3. source venv/bin/activate

Install the dependencies (once)

pip install -r requirements.txt

Starting the web application

From the IDE PyCharm:
    Only the FIRST TIME:
        1. select "Do not import settings".
        2. -> Open -> Online Learner -> Settings -> Project Interpreter -> Add -> venv
        3. under existing environment: select Interpreter ../block3/projekte/python/onlineLearner/venv/bin/python.

     Otherwise run the script app.py

From the console:
    1. change to the project directory (e.g. /home/dbpXXX/block3/projects/python/onlineLearner)
    2. activate virtual environment with statement: source venv/bin/activate
    3. Run python app.py

To connect to a DB:

Revise the properties.settings file. Use the getExternalConnection() method in DBUtil (in script file connect.py).

For German version, see file "LIESMICH"