feat: add several courseware access related pipeline steps

[pwnage101]

This commit replaces most enterprise-specific logic serving the purpose of conditionally blocking courseware access, often redirecting to a DSC page.

Enterprise steps added:

• EnterpriseStartDateAccessFailureStep supplies an enterprise-specific start-date error for enterprise learners.
• ActiveEnterpriseCheckStep denies access when the learner's active EnterpriseCustomer differs from the enrollment's customer.

Consent steps added:

• DataSharingConsentRedirectStep supplies a redirect URL to collect data sharing consent when it is required.
• DataSharingConsentCourseAccessStep denies access when consent is required.

ENT-11544

---

Blocked by:

• feat: add CoursewareViewStarted, CourseStartDateValidationFailed, and CoursewareAccessChecksRequested filters openedx-filters#336

Blocks:

• feat: decouple enterprise from courseware view redirects edx/edx-platform#338
• feat: decouple enterprise from course start-date validation edx/edx-platform#339
• feat: decouple enterprise from course access checks edx/edx-platform#340
• feat: decouple enterprise from courseware view redirects, course start-date validation, and course access checks openedx-platform#38102

[codecov]

Codecov Report

❌ Patch coverage is 96.55172% with 4 lines in your changes missing coverage. Please review.
✅ Project coverage is 86.63%. Comparing base (2ecc601) to head (5047687).

Files with missing lines	Patch %	Lines
consent/filters/courseware.py	93.47%	3 Missing ⚠️
consent/helpers.py	98.38%	1 Missing ⚠️

Additional details and impacted files

@@            Coverage Diff             @@
##           master    #2548      +/-   ##
==========================================
+ Coverage   86.56%   86.63%   +0.06%     
==========================================
  Files         254      255       +1     
  Lines       16797    16904     +107     
  Branches     1660     1673      +13     
==========================================
+ Hits        14541    14644     +103     
- Misses       1921     1925       +4     
  Partials      335      335              

Flag	Coverage Δ
unittests	86.63% <96.55%> (+0.06%)	⬆️

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[Copilot]

Pull request overview

This PR introduces new openedx-filters pipeline steps in enterprise and consent to enforce enterprise-specific courseware access gating (enterprise start-date messaging, active-enterprise mismatch blocking, and data-sharing consent redirects/blocks), and adds unit tests to validate the new behaviors.

Changes:

• Added Enterprise courseware filter steps for start-date override errors and active-enterprise mismatch access denial.
• Added Consent courseware filter steps plus helper logic to compute enterprise consent redirect URLs / access blocks.
• Added/expanded tests covering new enterprise/consent helpers and courseware filter pipeline steps.

Reviewed changes

Copilot reviewed 12 out of 12 changed files in this pull request and generated 7 comments.

Show a summary per file

File	Description
tests/test_enterprise/test_utils.py	Adds tests for get_active_enterprise_customer_user.
tests/test_consent/test_helpers.py	Adds unit tests for consent helper behavior and URL building.
tests/test_consent/test_filters_courseware.py	Adds tests for consent courseware filter steps (redirect + access denial).
tests/filters/test_courseware.py	Adds tests for enterprise courseware filter steps (start-date override + active enterprise check).
enterprise/utils.py	Adds get_active_enterprise_customer_user and enterprise_learner_enrolled.
enterprise/settings/common.py	Registers enterprise courseware pipeline steps in filters config.
enterprise/filters/dashboard.py	Updates migration-related comment wording.
enterprise/filters/courseware.py	Adds enterprise courseware pipeline steps.
consent/settings/common.py	Registers consent courseware pipeline steps in filters config.
consent/helpers.py	Adds consent enforcement logic and consent URL builder helpers.
consent/filters/courseware.py	Adds consent courseware pipeline steps.
consent/filters/init.py	Adds package docstring for consent filter steps.

[iloveagent57]

two small nits, looks good otherwise!

[Copilot]

Pull request overview

Copilot reviewed 19 out of 19 changed files in this pull request and generated 9 comments.