feat(IssueWrapper): add custom field information

lib/redmine_webhook/custom_field_value_wrapper.rb

@@ -0,0 +1,12 @@
+class RedmineWebhook::CustomFieldValueWrapper
+  def initialize(custom_field_value)
+    @custom_field_value = custom_field_value
+  end
+
+  def to_hash
+    {
+        custom_field_id: @custom_field_value.custom_field_id,
+        value: @custom_field_value.value
+    }
+  end
+end

lib/redmine_webhook/custom_field_wrapper.rb

@@ -0,0 +1,13 @@
+class RedmineWebhook::CustomFieldWrapper
+  def initialize(custom_field)
+    @custom_field = custom_field
+  end
+
+  def to_hash
+    {
+        id: @custom_field.id,
+        name: @custom_field.name,
+        possible_values: @custom_field.possible_values
+    }
+  end
+end

lib/redmine_webhook/issue_wrapper.rb

@@ -20,6 +20,8 @@ module RedmineWebhook
         :estimated_hours => @issue.estimated_hours,
         :is_private => @issue.is_private,
         :lock_version => @issue.lock_version,
+        :custom_fields => @issue.custom_fields.collect { |custom_field| RedmineWebhook::CustomFieldWrapper.new(custom_field).to_hash },
+        :custom_field_values => @issue.custom_field_values.collect { |value| RedmineWebhook::CustomFieldValueWrapper.new(value).to_hash },
         :project => RedmineWebhook::ProjectWrapper.new(@issue.project).to_hash,
         :status => RedmineWebhook::StatusWrapper.new(@issue.status).to_hash,
         :tracker => RedmineWebhook::TrackerWrapper.new(@issue.tracker).to_hash,