1 files changed, 26 insertions, 2 deletions
diff --git a/app/models/character.rb b/app/models/character.rb
index 661521b..a55230e 100644
--- a/app/models/character.rb
+++ b/app/models/character.rb
@@ -11,6 +11,7 @@ class Character < ApplicationRecord
   validates_format_of :name, with: /\A[a-z]+\z/i, message: "must consist of letters only"
 
   after_create :create_skills
+  after_create { Hearth.create(character: self) }
 
   def shift_item(gid, amount)
     CharacterItem.transaction do
@@ -20,6 +21,11 @@ class Character < ApplicationRecord
     end
   end
 
+  def has_item?(item, quantity = 1)
+    ci = self.character_items.find_by(item: item)
+    ci && ci.quantity >= quantity
+  end
+
   def add_skill_xp(skill, amount)
     CharacterSkill.find_by(skill: skill).increment!(:xp, amount)
   end
@@ -32,13 +38,31 @@ class Character < ApplicationRecord
     return nil unless self.activity
     duration_data = self.activity.whatnot[:duration]
     duration = duration_data[:base]
-    duration_data[:scaling].each do |skill, scaling_amount|
+    duration_data[:scaling]&.each do |skill, scaling_amount|
       duration -= self.skill_level(skill) * scaling_amount
     end
-    duration = [duration, duration_data[:minimum]].max
+    duration = [duration, duration_data[:minimum] || 10].max
     duration - (Time.now - self.activity_started_at)
   end
 
+  def can_do_activity?(activity)
+    if activity.whatnot[:cost]
+      activity.whatnot[:cost][:items]&.each do |item_gid, quantity|
+        return false unless self.has_item?(item_gid, quantity)
+      end
+    end
+    activity.whatnot[:requirements]&.each do |requirement|
+      case requirement[:type]
+      when "hearth_amenity"
+        return false unless self.hearth.has_amenity?(requirement[:gid], requirement[:level])
+      end
+    end
+  end
+
+  def start_activity(activity)
+    self.update(activity: activity, activity_started_at: Time.now) if self.can_do_activity?(activity)
+  end
+
   private
     def create_skills
       Skill.all.each { |skill| self.character_skills.create(skill: skill, xp: 0) }