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Use a custom validation method to validate the uniqueness of name #1009

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@FunnyHector FunnyHector commented Oct 28, 2020

Use a custom validation method to validate the uniqueness of name

The intention of this change is to address the the following deprecation seen on Rails 6:

DEPRECATION WARNING: Uniqueness validator will no longer enforce
case sensitive comparison in Rails 6.1. To continue case sensitive
comparison on the :name attribute in ActsAsTaggableOn::Tag model,
pass `case_sensitive: true` option explicitly to the uniqueness
validator.

Since there is the complexity of the config ActsAsTaggableOn.strict_case_match, we can't just explicitly set case_sensitive option as suggested in the deprecation warning.

The tests are quite blargh to deal with since the test database has the collation set to case-insensitive and has an uniqueness index, which is not realistic. To deal with the tests, I used a similar approach as in cb8d6e6. In cases where case sensitivity matters, we alter the collation on name column, run the test, then alter the collation back.

This PR tries to solve the same problem mentioned in #1005, but since the author of #1005 hasn't responded, I'm trying my luck here.

This change has also adopted @graaff's suggestion

@FunnyHector FunnyHector force-pushed the uniquess_validator branch 3 times, most recently from 6935055 to 370a55c Compare October 30, 2020 07:37
@FunnyHector FunnyHector changed the title Explicitly set the case_sensitive option for uniqueness validators Use a custom validation method to validate the uniqueness of name Oct 30, 2020
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Any idea if this would get noticed soon?

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@FunnyHector
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Any idea if this would get noticed soon?

@seuros
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seuros commented May 19, 2021

@FunnyHector , can you rebase this PR. It good to merge.

@FunnyHector
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Hi @seuros , I have rebased this change onto the latest master. There was some conflict with this line in #1013.

Could you please have another look?

Sorry for late response. Somehow I must have missed the ping.

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alto commented Jan 26, 2022

@FunnyHector Do you mind merging master back into the PR again?

@seuros seuros self-assigned this Jan 26, 2022
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seuros commented Jan 26, 2022

@alto the only issue left here is the non i18n error message.

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alto commented Jan 26, 2022

@seuros Yeah, the one in name_is_unique. I agree. 👍🏻 /cc @FunnyHector

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Hiya, sorry I haven't really worked on any project that used i18n :p, that often slips my mind.

I'll try to make a fix to use i18n, and rebase this work. I'm a little busy this week but hopefully I can get it done by the end of this week. Will ping you when I'm done.

The intention of this change is to address the the following
deprecation seen on Rails 6:

    DEPRECATION WARNING: Uniqueness validator will no longer enforce
    case sensitive comparison in Rails 6.1. To continue case sensitive
    comparison on the :name attribute in ActsAsTaggableOn::Tag model,
    pass `case_sensitive: true` option explicitly to the uniqueness
    validator.

Since there is the complexity of the config
`ActsAsTaggableOn.strict_case_match`, we can't just explicitly set
case_sensitive option as suggested in the deprecation warning.

The tests are quite blargh to deal with since the test database has the
collation set to case-insensitive and has an uniqueness index, which is
not realistic. To deal with the tests, I used a similar approach as in
cb8d6e6. In cases where case
sensitivity matters, we alter the collation on `name` column, run the
test, then alter the collation back.
@FunnyHector
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@seuros @alto I've rebased this work to resolve the conflicts. I've also added a new commit to use I18n error message. Please have another look. Sorry I haven't found time to look at this until now.

This is the first custom error message so a locale file is added. For
any non-en locale, this error message will raise a translation missing
error. Apps that uses this gem should add their own i18n translations.
@alto
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alto commented Jun 14, 2022

@seuros Hi, I just updated this pull request with your latest master changes (resolved conflicts). Do you mind considering a merge now? /cc @FunnyHector

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4 participants