feat: Add infinite scrolling to the various Open Prices ListViews.

[AshutoshKhadse23]

Closes: #6478

I added infinite scrolling to open the prices list view.

This is how the solution looks :

issue.6478.new.mp4

[codecov-commenter]

Codecov Report

Attention: Patch coverage is 0% with 359 lines in your changes missing coverage. Please review.

Project coverage is 5.79%. Comparing base (4d9c7fc) to head (9edebe5).
Report is 846 commits behind head on develop.

Files with missing lines	Patch %	Lines
...mooth_app/lib/pages/prices/prices_proofs_page.dart	0.00%	103 Missing ⚠️
...oth_app/lib/pages/prices/infinite_scroll_list.dart	0.00%	71 Missing ⚠️
...ooth_app/lib/pages/prices/product_prices_list.dart	0.00%	51 Missing ⚠️
...th_app/lib/pages/prices/prices_locations_page.dart	0.00%	48 Missing ⚠️
...p/lib/pages/prices/infinite_scroll_controller.dart	0.00%	33 Missing ⚠️
...smooth_app/lib/pages/prices/prices_users_page.dart	0.00%	29 Missing ⚠️
...oth_app/lib/pages/prices/prices_products_page.dart	0.00%	24 Missing ⚠️

Additional details and impacted files

@@            Coverage Diff             @@
##           develop   #6561      +/-   ##
==========================================
- Coverage     9.54%   5.79%   -3.76%     
==========================================
  Files          325     503     +178     
  Lines        16411   30130   +13719     
==========================================
+ Hits          1567    1745     +178     
- Misses       14844   28385   +13541     

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[monsieurtanuki]

Hi @AshutoshKhadse23!

I have no strong opinion against your code, that seems to work. Possibly minor comments here and there.

The thing is that for the Prices (in a broad sense) we need different objects with a "load more" feature: prices (with this PR), proofs, contributors, locations and products.

Do you feel confident enough in your OOP skills? If so you should refactor your current code with generic concepts like:

• a loading class
  • with a load method that has the page number as a parameter
  • returning a list of items, a number of items, a number of pages
• an item display class that takes an item as a parameter and displays it
• a "load by page" class that displays items by page, with a "loader" and an "item display" in the constructor

I'm sure there are Design Patterns around those common features.

What do you think about that?

[AshutoshKhadse23]

@monsieurtanuki, I tried to implement what you suggested—looking forward to your feedback!

[monsieurtanuki]

Hi @AshutoshKhadse23!
Good job!
Please have a look at my comments, though, for code simplification.

[AshutoshKhadse23]

Hello @monsieurtanuki ,
Updated code according to the comments. And is ready for review.

[monsieurtanuki]

Hi @AshutoshKhadse23!
Obviously something wrong in your latest push, as we have twice the same class.
The idea was to get rid of parameters that are ALWAYS the same, and that's not was you pushed.

[AshutoshKhadse23]

@monsieurtanuki, changed the code according to the comment.

[monsieurtanuki]

Hi @AshutoshKhadse23!
Please have a look at my comments.

[AshutoshKhadse23]

@monsieurtanuki, changed the code according to the comment.