Remove validation on uniqueness of email adresses and usernames #5786
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Warning Rate limit exceeded@jorg-vr has exceeded the limit for the number of commits or files that can be reviewed per hour. Please wait 14 minutes and 46 seconds before requesting another review. How to resolve this issue?After the wait time has elapsed, a review can be triggered using the We recommend that you space out your commits to avoid hitting the rate limit. How do rate limits work?CodeRabbit enforces hourly rate limits for each developer per organization. Our paid plans have higher rate limits than the trial, open-source and free plans. In all cases, we re-allow further reviews after a brief timeout. Please see our FAQ for further information. WalkthroughThe pull request introduces significant changes to the authentication process, including the simplification of user identity verification during login by removing checks for duplicate emails associated with providers. The logic for finding user identities has been streamlined, focusing on primary identifiers. Additionally, validation rules for uniqueness of usernames and emails in the Changes
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Actionable comments posted: 1
Outside diff range and nitpick comments (2)
app/models/user.rb (1)
Consider Adding a Database-Level Unique Index for
usernameScoped toinstitution_id.The removal of the uniqueness validation for
usernamewithin the context of aninstitutionis not currently compensated by a database-level constraint. While there are tests that handle scenarios involving overlapping usernames, these are not sufficient to ensure data integrity across the entire application.
- Recommendation: Add a database-level unique index on the
usernamecolumn scoped toinstitution_idto enforce uniqueness and prevent potential data integrity issues.- Test Coverage: Review and potentially expand the test coverage to ensure all scenarios involving overlapping usernames are adequately handled.
Analysis chain
Line range hint
1-1: Verify the impact of removing the uniqueness validation forusername.Removing the validation rule that ensures the uniqueness of
usernamewithin the context of aninstitutioncould lead to the following issues:
- Multiple users within the same institution can have the same
username, leading to confusion and difficulty in uniquely identifying users.- Parts of the application that rely on the uniqueness of
usernamewithin an institution might break.Thoroughly test the application to ensure that removing this validation does not introduce any bugs or inconsistencies. Pay special attention to features that rely on the uniqueness of
usernamewithin an institution.Consider adding a database-level unique index on the
usernamecolumn scoped to theinstitution_idto enforce uniqueness at the database level and prevent potential data integrity issues.Scripts executed
The following scripts were executed for the analysis:
Script:
# Check if there are any existing duplicate usernames within the same institution echo "SELECT institution_id, username, COUNT(*) FROM users GROUP BY institution_id, username HAVING COUNT(*) > 1;" | rails dbconsoleLength of output: 207
Script:
#!/bin/bash # Search for any database constraints or indexes related to username uniqueness rg --context 5 'CREATE\s+UNIQUE\s+INDEX' --glob '*.rb' --glob '*.sql' # Search for any tests that might cover the scenario of duplicate usernames within the same institution rg --context 5 'username' --glob '*_test.rb' --glob '*_spec.rb'Length of output: 42982
db/schema.rb (1)
13-13: Use underscores as thousands separators in numeric literals.rubocop has flagged a convention issue:
[convention] 13-13: Use underscores(_) as thousands separator and separate every 3 digits with them.
To improve code readability, it is recommended to use underscores as thousands separators in numeric literals.
Apply this diff to fix the convention issue:
-ActiveRecord::Schema[7.2].define(version: 2024_09_11_085152) do +ActiveRecord::Schema[7.2].define(version: 2024_09_11_085_152) doTools
rubocop
[convention] 13-13: Use underscores(_) as thousands separator and separate every 3 digits with them.
(Style/NumericLiterals)
Review details
Configuration used: CodeRabbit UI
Review profile: CHILL
Files selected for processing (9)
- app/controllers/auth/omniauth_callbacks_controller.rb (4 hunks)
- app/models/user.rb (1 hunks)
- app/views/auth/redirect_to_known_provider.html.erb (1 hunks)
- config/locales/views/auth/en.yml (1 hunks)
- config/locales/views/auth/nl.yml (1 hunks)
- db/migrate/20240911085152_remove_email_uniqueness.rb (1 hunks)
- db/schema.rb (2 hunks)
- test/controllers/auth/omniauth_callbacks_controller_test.rb (4 hunks)
- test/testhelpers/constants.rb (1 hunks)
Files skipped from review due to trivial changes (1)
- config/locales/views/auth/en.yml
Additional context used
rubocop
db/migrate/20240911085152_remove_email_uniqueness.rb
[convention] 3-3: You can use
change_table :users, bulk: trueto combine alter queries.(Rails/BulkChangeTable)
[convention] 3-3: remove_index(without column) is not reversible.
(Rails/ReversibleMigration)
[convention] 3-3: Prefer single-quoted strings when you don't need string interpolation or special symbols.
(Style/StringLiterals)
[convention] 4-4: remove_index(without column) is not reversible.
(Rails/ReversibleMigration)
[convention] 4-4: Prefer single-quoted strings when you don't need string interpolation or special symbols.
(Style/StringLiterals)
db/schema.rb
[convention] 13-13: Use underscores(_) as thousands separator and separate every 3 digits with them.
(Style/NumericLiterals)
Additional comments not posted (13)
test/testhelpers/constants.rb (1)
4-4: LGTM!The code changes are approved for the following reasons:
- The constant is correctly defined and follows the naming convention.
- The constant is frozen to prevent modifications.
- The constant is defined as a subset of
AUTH_PROVIDERS, which is a good practice to maintain consistency and avoid duplication.- The constant is used to distinguish between authentication providers that require an email and those that don't.
- The constant is defined in the
Constantsmodule, which is a good practice to group related constants together.app/views/auth/redirect_to_known_provider.html.erb (1)
19-24: LGTM!The changes to the
redirect_to_known_provider.html.erbfile are approved.The new section for creating a new account enhances the user interface by providing a clear option to users. The button uses the appropriate POST method to initiate the account creation process. The changes are consistent with the existing code structure and follow the Rails conventions.
config/locales/views/auth/nl.yml (3)
25-25: LGTM!The code changes are approved.
26-26: LGTM!The code changes are approved.
27-27: LGTM!The code changes are approved.
app/controllers/auth/omniauth_callbacks_controller.rb (3)
Line range hint
134-141: LGTM!The changes to the
try_login!method look good:
- The removal of the duplicate email handling logic simplifies the flow and reduces complexity.
- The addition of the new user confirmation logic improves the user experience by providing a clear choice when a user with the same email is found in another institution.
- The changes align with the PR objective of removing validation on uniqueness of email addresses.
222-222: LGTM!The simplification of the
find_identity_by_uidmethod looks good:
- The removal of the extensive logic for identifying users based on various criteria reduces complexity and improves maintainability.
- The method now focuses solely on the primary identifier, which is a cleaner approach.
- The changes align with the PR objective of simplifying the user identity verification during login.
340-342: LGTM!The addition of lines to store information required for creating a new account or linking the new sign-in method to an existing account looks good:
- The added lines provide necessary information for handling the user's choice to either create a new account or link the new sign-in method to an existing account.
- The changes align with the PR objective of allowing users the flexibility to either sign in with their presumed existing account and link it or create a new account if they prefer.
test/controllers/auth/omniauth_callbacks_controller_test.rb (1)
612-653: LGTM!The test case
can create new user with same email and username as existing useris well-structured and covers the expected behavior:
- It sets up the necessary prerequisites (institution, user, providers).
- It simulates the user logging in with a different provider, which should not create a new user.
- It verifies that the user is presented with an option to create a new account.
- It confirms creating a new user, which should create a new user with the same email and username but a different ID.
The code changes are approved.
app/models/user.rb (1)
Line range hint
1-1: Carefully consider the consequences of allowing duplicate email addresses within an institution.Removing the validation rule that ensures the uniqueness of
institutioncan result in the following problems:
- Multiple users within the same institution can have the same
- It violates the common expectation that email addresses serve as unique identifiers for users within an institution.
Before proceeding with this change, thoroughly assess its impact on the application's functionality and user experience. Consider the following:
- How will the application handle multiple users with the same email address within an institution?
- Will it affect the login process, password reset functionality, or any other authentication-related features?
- How will it impact email communication with users?
If allowing duplicate email addresses within an institution is a deliberate design decision, ensure that the application is updated to handle such cases gracefully and that users are informed about the potential implications.
To identify any existing duplicate email addresses within the same institution, run the following query:
If duplicates are found, determine how to handle them before deploying the changes to production.
db/schema.rb (3)
13-13: LGTM!The ActiveRecord schema version has been updated to reflect the latest migration. The version number follows the expected format.
Tools
rubocop
[convention] 13-13: Use underscores(_) as thousands separator and separate every 3 digits with them.
(Style/NumericLiterals)
Line range hint
1-1000: Verify the impact of removing the unique index on user identification and mentions.The unique index
index_users_on_username_and_institution_idon the combination ofusernameandinstitution_idcolumns in theuserstable has been removed. This change allows users to have the same username within an institution.Please ensure that the removal of this unique constraint does not introduce any issues with user identification and mentions within the application. Consider the following:
- Review any user-mentioning functionality (e.g., in comments, notifications, etc.) to ensure it handles non-unique usernames within an institution correctly.
- Verify that user profiles and public pages display the correct user information when there are multiple users with the same username within an institution.
- Ensure that any user search or autocomplete features are updated to handle non-unique usernames within an institution.
- Test the application thoroughly to identify any areas where user identification or mentions may be ambiguous or incorrect due to non-unique usernames.
To verify the impact of removing the unique index, you can run the following script:
Review the search results and ensure that the codebase handles non-unique usernames within an institution correctly. If any issues are identified, please address them before merging this PR.
Tools
rubocop
[convention] 529-529: Prefer single-quoted strings when you don't need string interpolation or special symbols.
(Style/StringLiterals)
[convention] 530-530: Prefer single-quoted strings when you don't need string interpolation or special symbols.
(Style/StringLiterals)
[convention] 531-531: Prefer single-quoted strings when you don't need string interpolation or special symbols.
(Style/StringLiterals)
[convention] 532-532: Prefer single-quoted strings when you don't need string interpolation or special symbols.
(Style/StringLiterals)
[convention] 532-532: Prefer single-quoted strings when you don't need string interpolation or special symbols.
(Style/StringLiterals)
[convention] 533-533: Prefer single-quoted strings when you don't need string interpolation or special symbols.
(Style/StringLiterals)
[convention] 533-533: Prefer single-quoted strings when you don't need string interpolation or special symbols.
(Style/StringLiterals)
[convention] 534-534: Prefer single-quoted strings when you don't need string interpolation or special symbols.
(Style/StringLiterals)
[convention] 534-534: Prefer single-quoted strings when you don't need string interpolation or special symbols.
(Style/StringLiterals)
Line range hint
1-1000: Verify the impact of removing the unique index on user authentication and account management.The unique index
index_users_on_email_and_institution_idon the combination ofinstitution_idcolumns in theuserstable has been removed. This change allows users to have the same email address within an institution.Please ensure that the removal of this unique constraint does not introduce any issues with user authentication and account management. Consider the following:
- Verify that the user registration process handles duplicate email addresses within the same institution correctly.
- Ensure that the user authentication process (login, password reset, etc.) is updated to handle non-unique email addresses within an institution.
- Review any email-based notifications or communications to ensure they are sent to the correct user(s) within an institution.
- Test the user account management features (profile updates, account deletion, etc.) to ensure they function correctly with non-unique email addresses.
To verify the impact of removing the unique index, you can run the following script:
Review the search results and ensure that the codebase handles non-unique email addresses within an institution correctly. If any issues are identified, please address them before merging this PR.
Tools
rubocop
[convention] 529-529: Prefer single-quoted strings when you don't need string interpolation or special symbols.
(Style/StringLiterals)
[convention] 530-530: Prefer single-quoted strings when you don't need string interpolation or special symbols.
(Style/StringLiterals)
[convention] 531-531: Prefer single-quoted strings when you don't need string interpolation or special symbols.
(Style/StringLiterals)
[convention] 532-532: Prefer single-quoted strings when you don't need string interpolation or special symbols.
(Style/StringLiterals)
[convention] 532-532: Prefer single-quoted strings when you don't need string interpolation or special symbols.
(Style/StringLiterals)
[convention] 533-533: Prefer single-quoted strings when you don't need string interpolation or special symbols.
(Style/StringLiterals)
[convention] 533-533: Prefer single-quoted strings when you don't need string interpolation or special symbols.
(Style/StringLiterals)
[convention] 534-534: Prefer single-quoted strings when you don't need string interpolation or special symbols.
(Style/StringLiterals)
[convention] 534-534: Prefer single-quoted strings when you don't need string interpolation or special symbols.
(Style/StringLiterals)
…rtschool" This reverts commit 760eaf5.
This pull request removes the uniqueness requirement for email and username within the same institution. Instead of blocking this option, user receive the choice to sign in with their persumed existing account and link them or to create a new account: