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Informations about the package availability

Romega Software - Availability

Reusable availability rule engine for Laravel models. Attach rules to any Eloquent model and evaluate allow/deny windows with a predictable "last matching rule wins" policy.

This package is brought to you by Romega Software. Romega Software is software development agency specializing in helping customers integrate AI and custom software into their business, helping companies in growth mode better acquire, visualize, and utilize their data, and helping entrepreneurs bring their ideas to life.

Installation

  1. Install via Composer:

  2. Publish the config and optional migrations if you need to customise them:

The service provider auto-registers and the default table name is availability_rules.

Getting Started

  1. Add the HasAvailability trait (or implement AvailabilitySubject) on your model.
  2. Create availability rules through the morph relation:

  3. Resolve the engine and evaluate a moment:

Rules are evaluated in the subject's timezone (getAvailabilityTimezone) with a default allow/deny policy provided by getAvailabilityDefaultEffect. The final matching rule controls the outcome.

Rule Types

Configure rule->type to one of the following and store the payload in config:

Type Example Config Notes
months_of_year {"months":[1,7,12]} ISO months (1–12).
weekdays {"days":[1,2,3,4,5]} ISO weekdays (1=Mon).
date_range {"from":"05-01","to":"08-31","kind":"yearly"} Yearly (MM-DD) ranges wrap year-end; absolute expects Y-m-d.
rrule {"rrule":"FREQ=WEEKLY;BYDAY=MO,TU,WE,TH,FR","tz":"America/New_York"} Supports core FREQ, BYDAY, BYMONTH, BYMONTHDAY, BYHOUR/MINUTE/SECOND, INTERVAL (requires DTSTART).
blackout_date {"dates":["2025-12-25","2025-12-26"]} Specific calendar dates to deny.
time_of_day {"from":"09:00","to":"17:00"} Inclusive time window. Wraps overnight spans (22:0004:00).
inventory_gate {"min":1} Delegates to a resolver that returns numeric stock or boolean availability.

Combine types for richer policies (e.g. weekdays allow + time_of_day allow + blackout_date deny).

Inventory Gate Resolver

Provide inventory lookups through config:

You may also register resolvers per subject class in availability.inventory_gate.resolvers. Resolver return values:

Resolvers are cached per subject class, so configure them during boot.

Custom Evaluators

Register additional evaluators in config('availability.rule_types') and implement RuleEvaluator::matches(). The registry accepts concrete instances, class names, or container factories.

Testing

When shipping new rules, add cases that cover DST boundaries, year transitions, and denial precedence to keep behaviour stable.


All versions of availability with dependencies

PHP Build Version
Package Version
Requires php Version ^8.4
illuminate/contracts Version ^12.0|^13.0
illuminate/database Version ^12.0|^13.0
illuminate/support Version ^12.0|^13.0
Composer command for our command line client (download client) This client runs in each environment. You don't need a specific PHP version etc. The first 20 API calls are free. Standard composer command

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