feat: 5586 - added explicit product type to all relevant background tasks

[monsieurtanuki]

What

• All background tasks now have an explicit product type, if relevant.
• For instance, now we can download offline data for any specific product type.
• We also display stats about each product type.
• We don't use implicit product type anymore when we call a server.

Screenshot

Fixes bug(s)

• Closes: Add a project switcher to search (and store the type on each product opened "off", "obf", "opf" and "opff", and for any search we store locally) #5586

Files

New file:

• work_type.dart: Type of long download work for some background tasks.

Impacted files:

• background_task.dart: removed the default uriProductHelper getter
• background_task_barcode.dart: added a uriProductHelper getter that depends on the productType
• background_task_download_products.dart: refactored the access to product type
• background_task_full_refresh.dart: split by product type
• background_task_language_refresh.dart: split by product type
• background_task_offline.dart: refactored the access to product type
• background_task_progressing.dart: added the productType parameter; moved code to new WorkType class
• background_task_top_barcodes.dart: refactored the access to product type
• dao_product.dart: new methods getProductTypes and splitAllProducts; refactored with product type
• lazy_counter.dart: explicitly counting the "food" products
• newsfeed_provider.dart: explicitly getting the news from "food"
• offline_data_page.dart: now displaying "download top N products" buttons for each product type; stats for each product type
• offline_tasks_page.dart: enhanced "work text" algo, now depending on product type
• operation_type.dart: enhanced "key" algo, now depending on product type
• ordered_nutrients_cache.dart: explicitly using the "food" nutrients
• product_list_page.dart: now reloading products from their server
• product_list_popup_items.dart: now linking to the first server with products
• product_query.dart: made product type a mandatory parameter
• product_refresher.dart: added mandatory parameter product type
• random_questions_query.dart: explicitly ask for "food" robotoff products
• temp_product_list_share_helper.dart: added mandatory parameter product type
• user_preferences_dev_debug_info.dart: added explicit use of "food" data

[codecov-commenter]

Codecov Report

Attention: Patch coverage is 0% with 138 lines in your changes missing coverage. Please review.

Project coverage is 6.97%. Comparing base (4d9c7fc) to head (4294e5b).
Report is 392 commits behind head on develop.

Files with missing lines	Patch %	Lines
packages/smooth_app/lib/database/dao_product.dart	0.00%	38 Missing ⚠️
...p/lib/background/background_task_full_refresh.dart	0.00%	16 Missing ⚠️
...ckages/smooth_app/lib/pages/offline_data_page.dart	0.00%	15 Missing ⚠️
...pages/product/common/product_list_popup_items.dart	0.00%	15 Missing ⚠️
packages/smooth_app/lib/background/work_type.dart	0.00%	12 Missing ⚠️
...pp/lib/pages/product/common/product_list_page.dart	0.00%	10 Missing ⚠️
...b/background/background_task_language_refresh.dart	0.00%	9 Missing ⚠️
...pp/lib/background/background_task_progressing.dart	0.00%	5 Missing ⚠️
...kages/smooth_app/lib/pages/offline_tasks_page.dart	0.00%	3 Missing ⚠️
...app/lib/pages/product/ordered_nutrients_cache.dart	0.00%	3 Missing ⚠️
... and 8 more

Additional details and impacted files

@@            Coverage Diff             @@
##           develop   #5721      +/-   ##
==========================================
- Coverage     9.54%   6.97%   -2.58%     
==========================================
  Files          325     407      +82     
  Lines        16411   21774    +5363     
==========================================
- Hits          1567    1518      -49     
- Misses       14844   20256    +5412     

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[teolemon]

thanks @monsieurtanuki

[teolemon]

little conflict @monsieurtanuki

[monsieurtanuki]

Thank you @teolemon for your reviews!