Class: PostHog::FeatureFlagsPoller
- Inherits:
-
Object
- Object
- PostHog::FeatureFlagsPoller
- Includes:
- Logging
- Defined in:
- lib/posthog/feature_flags.rb
Instance Method Summary collapse
-
#initialize(polling_interval, personal_api_key, project_api_key, host) ⇒ FeatureFlagsPoller
constructor
A new instance of FeatureFlagsPoller.
- #is_feature_enabled(key, distinct_id, default_result = false) ⇒ Object
- #is_simple_flag_enabled(key, distinct_id, rollout_percentage) ⇒ Object
- #load_feature_flags(force_reload = false) ⇒ Object
- #shutdown_poller ⇒ Object
Methods included from Logging
Constructor Details
#initialize(polling_interval, personal_api_key, project_api_key, host) ⇒ FeatureFlagsPoller
Returns a new instance of FeatureFlagsPoller.
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# File 'lib/posthog/feature_flags.rb', line 11 def initialize(polling_interval, personal_api_key, project_api_key, host) @polling_interval = polling_interval || 60 * 5 @personal_api_key = personal_api_key @project_api_key = project_api_key @host = host || 'app.posthog.com' @feature_flags = Concurrent::Array.new @loaded_flags_successfully_once = Concurrent::AtomicBoolean.new @task = Concurrent::TimerTask.new(execution_interval: polling_interval, timeout_interval: 15) do _load_feature_flags end # load once before timer load_feature_flags @task.execute end |
Instance Method Details
#is_feature_enabled(key, distinct_id, default_result = false) ⇒ Object
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# File 'lib/posthog/feature_flags.rb', line 30 def is_feature_enabled(key, distinct_id, default_result = false) # make sure they're loaded on first run load_feature_flags unless @loaded_flags_successfully_once return default_result end feature_flag = nil # puts @feature_flags @feature_flags.each do |flag| if key == flag['key'] feature_flag = flag break end end if !feature_flag return default_result end flag_rollout_pctg = feature_flag['rollout_percentage'] ? feature_flag['rollout_percentage'] : 100 if feature_flag['is_simple_flag'] return is_simple_flag_enabled(key, distinct_id, flag_rollout_pctg) else data = { 'distinct_id' => distinct_id } res = _request('POST', 'decide', false, data) return res['featureFlags'].include? key end return false end |
#is_simple_flag_enabled(key, distinct_id, rollout_percentage) ⇒ Object
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# File 'lib/posthog/feature_flags.rb', line 66 def is_simple_flag_enabled(key, distinct_id, rollout_percentage) hash = Digest::SHA1.hexdigest "#{key}.#{distinct_id}" return (Integer(hash[0..14], 16).to_f / 0xfffffffffffffff) <= (rollout_percentage / 100) end |
#load_feature_flags(force_reload = false) ⇒ Object
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# File 'lib/posthog/feature_flags.rb', line 71 def load_feature_flags(force_reload = false) if @loaded_flags_successfully_once.false? || force_reload _load_feature_flags end end |
#shutdown_poller ⇒ Object
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# File 'lib/posthog/feature_flags.rb', line 78 def shutdown_poller() @task.shutdown end |