AAP-57069 Optimize initial loading

[kcagran]

This pull request refactors the backend API to provide dedicated endpoints for listing labels, projects, organizations, and job templates, instead of returning these lists as part of the template options endpoint. It introduces new serializers, views, and URL routes for these resources, updates related tests, and removes their serialization from the template options logic. The frontend is also updated to handle the new data format for filters.

Backend API restructuring:

• Added new serializers (LabelSerializer, ProjectSerializer, OrganizationSerializer, JobTemplateSerializer) and corresponding views and URL routes for labels, projects, organizations, and job templates, enabling paginated listing via dedicated endpoints. [1] [2] [3] [4] [5] [6] [7] [8] [9] [10] [11] [12]
• Removed generic model serializers and related imports for these resources from template_options/serializers.py and template_options/views.py. The template options endpoint no longer returns lists of labels, projects, organizations, or job templates. [1] [2] [3]

Testing updates:

• Updated unit tests to expect the new data structure, removed checks for lists in template options, and added new tests for the dedicated endpoints for labels, organizations, projects, and job templates. [1] [2] [3] [4] [5]

Frontend compatibility:

• Modified the frontend to map filter options to their keys to match the new backend response format for filters. [1] [2]

These changes improve API clarity, maintainability, and scalability by separating concerns and providing paginated access to key resources.

---

Note

Introduce separate paginated endpoints for labels, organizations, projects, and templates, remove these from template_options, and update the frontend filters to fetch/search/paginate options via the new APIs; tests updated accordingly.

• Backend/API:
  • Add paginated endpoints with search/ordering for labels, organizations, projects, and templates (serializers, views, urls), and wire them in api/v1/urls.py.
  • Refactor TemplateView to support list/retrieve with search/ordering and split TemplatesSerializer vs JobTemplateSerializer.
  • Remove label/org/project/template option lists from template_options serializers/views; endpoint now returns only meta (dates, currencies, costs, settings, filter sets).
• Frontend/UI:
  • Refactor Filters to load options from new endpoints with pagination, infinite scroll, and search; map selections to key values when saving/applying filters.
  • Add filterOptionsStore (zustand) and selectors for fetching, paging, searching, and retrieving single options; update types to use FilterOptionWithId.
  • Enhance MultiChoiceDropdown with async search, loading indicator, and bottom-reach fetch; update BaseTable and Dashboard to use external pagination state and reset on filter/sort changes.
  • Update AddEditView to await saves and convert selections to ids; add minor styling (.dropdown-loader).
• Tests:
  • Update unit tests to new template_options shape and add coverage for new list endpoints.
  • Extend Playwright fixtures and interceptors; update specs to mock new endpoints and validate filter behavior.

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[github-actions]

☂️ Python Coverage

current status: ✅

Overall Coverage

Lines	Covered	Coverage	Threshold	Status
5010	3857	77%	0%	🟢

New Files

File	Coverage	Status
src/backend/api/v1/labels/_init_.py	100%	🟢
src/backend/api/v1/labels/serializers.py	100%	🟢
src/backend/api/v1/labels/urls.py	100%	🟢
src/backend/api/v1/labels/views.py	100%	🟢
src/backend/api/v1/organizations/_init_.py	100%	🟢
src/backend/api/v1/organizations/serializers.py	100%	🟢
src/backend/api/v1/organizations/urls.py	100%	🟢
src/backend/api/v1/organizations/views.py	100%	🟢
src/backend/api/v1/projects/_init_.py	100%	🟢
src/backend/api/v1/projects/serializers.py	100%	🟢
src/backend/api/v1/projects/urls.py	100%	🟢
src/backend/api/v1/projects/views.py	100%	🟢
TOTAL	100%	🟢

Modified Files

File	Coverage	Status
src/backend/api/v1/report/views.py	94%	🟢
src/backend/api/v1/template/serializers.py	100%	🟢
src/backend/api/v1/template/views.py	100%	🟢
src/backend/api/v1/template_options/serializers.py	100%	🟢
src/backend/api/v1/template_options/views.py	96%	🟢
src/backend/api/v1/urls.py	100%	🟢
src/backend/tests/unit/test_views.py	99%	🟢
TOTAL	98%	🟢

updated for commit: ec66d6e by action🐍

[AlexSCorey]

@kcagran do you have an issue that is tracking this work?

[AlexSCorey]

This is a good start. I haven't spun up the code locally yet, as I just had time to look at the code. I've left a few questions, and found some things in the code we need to address.

[kcagran]

@kcagran do you have an issue that is tracking this work?

No, we don't have any at the moment, This PR is a result of https://aap2-prod-bastion-us-west-2.ops.demo.redhat.com:8447/, where initial loading takes 30+s. At the previous sync it was announced that @Priya would create a jira ticket regarding this.

[kcagran]

@kcagran do you have an issue that is tracking this work?

AAP-57069

[AlexSCorey]

cursor review