Add ability to set a custom date

.gitignore

@@ -6,3 +6,4 @@
 /pkg/
 /spec/reports/
 /tmp/
+*.gem

Gemfile.lock

@@ -1,7 +1,7 @@
 PATH
   remote: .
   specs:
-    statisfy (0.0.10)
+    statisfy (0.0.11)
 
 GEM
   remote: https://rubygems.org/

README.md

@@ -180,6 +180,7 @@ This method is used to define a counter.
 | `decrement_if` | lambda, optional | Boolean. If it returns true, then the counter will be decremented instead of incremented |
 | `uniq_by` | lambda, optional | Won't count the same value twice. By default it is uniq on the `id`. Example use case: if a `Post` is written by an `author_id`, you could set `-> { post.author_id}` to know how many authors wrote an article this month |
 | `decrement_on_destroy` | Boolean, optional | Default is true. The counter will be decremented when the model instance is destroyed. |
+| `date_override` | DateTime, optional | Default is `instance.created_at`. |
 
 ### aggregate
 

lib/statisfy/counter.rb

@@ -45,6 +45,7 @@ def apply_default_counter_options(args)
         define_method(:decrement?, args[:decrement_if] || -> { false })
         define_method(:should_run?, args[:if] || -> { true })
         define_method(:decrement_on_destroy?, -> { args[:decrement_on_destroy] != false })
+        define_method(:month_to_set, args[:date_override] || -> { params["created_at"] })
       end
 
       #
@@ -172,10 +173,6 @@ def scopes_with_global
       scopes.flatten.compact << nil
     end
 
-    def month_to_set
-      params["created_at"].to_date.strftime("%Y-%m")
-    end
-
     def process_event
       return decrement if can_decrement_on_destroy?
       return unless if_async
@@ -200,7 +197,7 @@ def value
     # (in general the Department(s) and Organisation(s) for both the current month and the global counter)
     #
     def all_counters
-      [month_to_set, nil].each do |month|
+      [month_to_set.to_date.strftime("%Y-%m"), nil].each do |month|
         scopes_with_global.each do |scope|
           yield self.class.key_for(scope:, month:)
         end

statisfy.gemspec

@@ -2,7 +2,7 @@
 
 Gem::Specification.new do |s|
   s.name        = "statisfy"
-  s.version     = "0.0.10"
+  s.version     = "0.0.11"
   s.required_ruby_version = ">= 3.2.0"
   s.date        = "2023-12-13"
   s.summary     = "A performant and flexible counter solution"