Redex: Django website to fetch stock data

[karthickmj]

Develop a minimalistic web page that displays real-time financial data for a user-selected stock. The page will provide essential information like current stock price, market change, and basic financial highlights.

[redex-ai-karthickmj]

Redex Development Progress

Guidelines

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Step 1: Clarifications (PENDING)

Redex AI will come up with Clarification Questions related to this development task. Please answer the relevant questions. Avoid any other unrelevant question

Step 2: Change Plan (Revision 2)

"#12 (comment)"

Change Plan (Revision 1)

"#12 (comment)"

Step 3: Pull Request (Revision 2)

Pull Request link: "#12 (comment)"

Please review the pull request. In case if it needs any modifications, please drop a comment on the pull request directly. Then a new revision of the pull request will be generated

Change Plan (Revision1)

PULL REQUEST: "#12 (comment)"

[redex-ai-karthickmj]

To develop the requirement of a minimalistic web page that displays real-time financial data for a user-selected stock, I would need to clarify a few points regarding the existing codebase and the integration of the web page:

1. Web Framework: Is there an existing web framework or technology stack (e.g., Flask, Django, React, Angular) that the web page should be integrated with, or am I free to choose one?

2. Real-time Data: The yahoo.py script retrieves data from Yahoo Finance, but it doesn't mention real-time capabilities. Does the existing library support fetching real-time data, or should I implement a mechanism (e.g., WebSockets, long polling) to periodically update the stock data on the web page?

3. Frontend-Backend Communication: How should the web page communicate with the backend Python script (yahoo.py)? Should I set up an API endpoint that the frontend can call to retrieve the data, or is there another preferred method?

4. User Interface Requirements: Are there any specific design or user interface requirements for the web page, such as the use of a particular CSS framework or design system?

5. User Input: How should the user input the stock ticker symbol on the web page? Should there be a search bar, dropdown menu, or another method?

6. Error Handling: How should the web page handle scenarios where the stock ticker symbol is invalid or when Yahoo Finance is not accessible?

7. Caching and Performance: Should the application cache the financial data to improve performance, and if so, what caching strategy should be used?

8. Deployment Considerations: Although deployment questions are not to be asked, are there any server configurations or environment variables that need to be set up for the web page to function correctly in the existing infrastructure?

9. Security: Are there any security considerations or restrictions when making requests to Yahoo Finance, such as rate limiting or API keys that need to be managed?

10. Legal and Compliance: Are there any legal or compliance issues to consider when displaying financial data from Yahoo Finance on a web page?

11. Accessibility: Should the web page be designed with accessibility in mind, following standards such as WCAG?

12. Testing: What kind of automated tests are expected for the new functionality (unit tests, integration tests, end-to-end tests)?

Understanding the answers to these questions will help ensure that the development of the web page aligns with the existing codebase and meets the project requirements effectively.

If you just want to test us out without providing clarifying answers, please comment DEFAULT and we will take the workflow forward with assumptions 😃

[karthickmj]

We prefer Django web framework. Add all necessary django files.
Don't want any real time data. Just use the methods from yahoo.py file. Refactor them if needed.
Simple html page should be fine.
Please have a dropdown menu to select the stock
Not sure about yahoo_api rate limit
For error handling, just display an alert with error message to the user
No need to setup deployment. I will just run it locally.
No need to worry about security.
No need to do anything for caching.
No need to do anything for accessibility and responsiveness.

[redex-ai-karthickmj]

Change Plan (Revision 1)

The change involves setting up a new Django model, view, URL pattern, form, and template to display stock data from Yahoo Finance using the existing 'yahoo.py' script. The 'ticker' class will be refactored for better integration with Django and improved error handling.

1. File: models.py

Create a new Django model 'Stock' with fields 'ticker_symbol' (CharField), 'name' (CharField), 'current_price' (DecimalField), 'market_change' (DecimalField), 'market_change_percent' (DecimalField), and 'financial_highlights' (JSONField). The 'financial_highlights' field will store a JSON object containing various financial highlights such as P/E ratio, market cap, etc.

2. File: views.py

Add a new view 'StockDetailView' that uses the 'ticker' class from 'yahoo.py' to fetch stock data. The view should handle GET requests with a stock ticker symbol, use the 'summary' and 'statistics' methods to fetch data, and populate the 'Stock' model instance before passing it to the template context. The view should also handle exceptions and display an alert with an error message to the user if the data cannot be fetched.

3. File: urls.py

Define a new URL pattern for the 'StockDetailView' that maps to a path like '/stock/str:ticker_symbol/' and is capable of handling a GET parameter for the stock ticker symbol.

4. File: forms.py

Create a new form 'StockSelectForm' with a ChoiceField to allow users to select a stock ticker symbol from a dropdown menu. The choices for the dropdown should be dynamically populated based on available stock ticker symbols, which could be predefined in a list or fetched from an external source.

5. File: templates/stock_detail.html

Create a new HTML template for the stock detail page. It should include the 'StockSelectForm' and a section to display the stock data fetched by 'StockDetailView'. The template should display the name, current price, market change, market change percent, and financial highlights of the stock.

6. File: yahoo.py

Refactor the 'ticker' class to ensure compatibility with the Django view. Add exception handling to the 'summary' and 'statistics' methods to catch any errors during the data fetching process. The methods should return a tuple with a success flag and the data or error message.

NOTE: Please note that code generated for this file is less accurate. It needs manual review and fix. Redex will get better at these in coming releases.

Next steps :

After implementing the changes, the development team should lint the code using 'flake8', run unit tests using 'python manage.py test', and perform manual testing to ensure the functionality works as expected. No specific deployment steps are required as the developer will run the application locally.

We are working on generating a pull request for the change plan. Meanwhile please review the change plan. In case if it needs any modifications, please drop a comment on the issue directly. Then a new revision of change plan and corresponding pull request will be generated

[redex-ai-karthickmj]

Pull Request (Revision 1)

Add Django Web Page for Displaying Stock Data with Error Handling: #13

[karthickmj]

Can you please implement manage.py and other necessary django files that are not present?

[redex-ai-karthickmj]

Change Plan (Revision 2)

The change involves setting up a new Django project with necessary configurations, creating a new app with models, views, forms, and templates to display stock data from Yahoo Finance using the existing 'yahoo.py' script. The 'ticker' class will be refactored for better integration with Django and improved error handling.

1. File: manage.py

Create the 'manage.py' script which is the command-line utility for administrative tasks. This file is necessary to start the Django server, make migrations, and other command-line Django operations.

2. File: yahoo_api/settings.py

Set up the Django project settings. Include necessary configurations such as INSTALLED_APPS (add 'yahoo_api_app'), DATABASES (configure the database settings), and TEMPLATES (configure the directories for the templates).

3. File: yahoo_api/urls.py

Set up the project-level URL configurations. Include the path to the app's URLs by adding an entry to the urlpatterns list: path('stocks/', include('yahoo_api_app.urls')).

4. File: yahoo_api_app/models.py

Create a new Django model 'Stock' with fields 'ticker_symbol' (CharField), 'name' (CharField), 'current_price' (DecimalField), 'market_change' (DecimalField), 'market_change_percent' (DecimalField), and 'financial_highlights' (JSONField). The 'financial_highlights' field will store a JSON object containing various financial highlights such as P/E ratio, market cap, etc.

5. File: yahoo_api_app/views.py

Add a new view 'StockDetailView' that uses the 'ticker' class from 'yahoo.py' to fetch stock data. The view should handle GET requests with a stock ticker symbol, use the 'summary' and 'statistics' methods to fetch data, and populate the 'Stock' model instance before passing it to the template context. The view should also handle exceptions and display an alert with an error message to the user if the data cannot be fetched.

6. File: yahoo_api_app/urls.py

Define a new URL pattern for the 'StockDetailView' that maps to a path like '/stock/str:ticker_symbol/' and is capable of handling a GET parameter for the stock ticker symbol.

7. File: yahoo_api_app/forms.py

Create a new form 'StockSelectForm' with a ChoiceField to allow users to select a stock ticker symbol from a dropdown menu. The choices for the dropdown should be dynamically populated based on available stock ticker symbols, which could be predefined in a list or fetched from an external source.

8. File: yahoo_api_app/templates/stock_detail.html

Create a new HTML template for the stock detail page. It should include the 'StockSelectForm' and a section to display the stock data fetched by 'StockDetailView'. The template should display the name, current price, market change, market change percent, and financial highlights of the stock.

9. File: yahoo.py

Refactor the 'ticker' class to ensure compatibility with the Django view. Add exception handling to the 'summary' and 'statistics' methods to catch any errors during the data fetching process. The methods should return a tuple with a success flag and the data or error message.

NOTE: Please note that code generated for this file is less accurate. It needs manual review and fix. Redex will get better at these in coming releases.

Next steps :

After implementing the changes, the development team should lint the code using 'flake8', run unit tests using 'python manage.py test', and perform manual testing to ensure the functionality works as expected. For deployment, follow the standard Django deployment process which includes setting DEBUG to False, configuring a production database, collecting static files, and using a production server like Gunicorn with Nginx.

We are working on generating a pull request for the change plan. Meanwhile please review the change plan. In case if it needs any modifications, please drop a comment on the issue directly. Then a new revision of change plan and corresponding pull request will be generated

[redex-ai-karthickmj]

Pull Request (Revision 1)

Initialize Django Project and Add Stock Data Display Functionality: #14

[redex-ai-karthickmj]

Pull Request (Revision 2)

Initialize Django Project and Add Stock Data Display Functionality: #14