A ActiveRecord plugin which removes leading and trailing whitespace of attributes before validation.

Mark some validations as warnings and let them be easily skipped

CouchRest::ExtendedDocument provides aditional features to the standard CouchRest::Document class such as properties, view designs, callbacks, typecasting and validations.

Small, fast racktivesupport web framework with handy DSL and explicit parameter validation.

Provides a small persistence framework, including models (programmatic description of entities), validation rules and relationships between models.

This gem is intended to help with image files lost or corruption in the view from validation error with active storage. ActiveStorage's installation is required.

This library provides a convenient ruby API for representation of an Arduino Library specification, including field and type validation, reading and writing the library.properties file, as well as downloading the official database of Arduino libraries, and offering a highly advanced searching...

Adds valid transition validations to AR.

Assorted Rails 7.x-8.x validators: Array, Email, Existence, Grandparent, Hash keys, Hash values, Hostname, IP address, Ordering, URL, Write Once

DHS ia a Rails-Gem, providing an ActiveRecord like interface to access HTTP-JSON-Services from Rails Applications. Special features provided by this gem are: Multiple endpoint configuration per resource, active-record-like query-chains, scopes, error handling, relations, request cycle cache, batc...

Middleware for adding api keys validation to API

A simple, reliable Ruby gem for sending events to Google Analytics 4 (GA4) using the Measurement Protocol. Features include batch sending, event validation, retry logic, debug mode, and configurable logging. Works with any Ruby application - no framework dependencies required.

Validates a specific attribute on ActiveModel, ActiveRecord

A wrapper around Ruby's OptionParser with validation, conflict groups, and one-of constraints

Generate TW personal ID number randomly and validation

Adds validates_associated_with_context to models to validate associated models with validation context

Some reusable ActiveModel validations, including greater_than, boolean_presence, and at_least_one_present

It allows to handle JSON and JSONB fields as if they are proper database columns, handling default values, type casting and easier validation.

A library for creating Active Models that can serialize/deserialize to JSON. This includes full support for validation and change detection through nested models. You can write polymorphic models or arrays of models and get full support for natural serialization. Active JSON Model can optionally...

ActiveModel validators that validate the type of attributes, and that do recursive validation of contained objects parallel to ActiveRecord's validates_associated.