From 82eec1f68172857b3b39e6ab3e3b837de16c1198 Mon Sep 17 00:00:00 2001
From: David Gay <david@davidgay.org>
Date: Sun, 23 May 2021 20:15:03 -0400
Subject: Item usage

---
 app/controllers/characters/items_controller.rb | 29 ++++++++++++++++++++++++++
 app/models/character.rb                        |  2 +-
 app/models/item.rb                             |  5 ++++-
 app/views/characters/items/index.html.erb      |  2 +-
 4 files changed, 35 insertions(+), 3 deletions(-)

(limited to 'app')

diff --git a/app/controllers/characters/items_controller.rb b/app/controllers/characters/items_controller.rb
index 8df23c8..4d47ebb 100644
--- a/app/controllers/characters/items_controller.rb
+++ b/app/controllers/characters/items_controller.rb
@@ -21,4 +21,33 @@ class Characters::ItemsController < ApplicationController
   ensure
     redirect_to character_items_path(current_char)
   end
+
+  def use
+    @item = Item.find(params[:item_id])
+    unless @item.usable?
+      flash[:alert] = "You can't use #{@item.name}."
+      redirect_to character_items_path(current_char) and return
+    end
+    unless current_char.character_items.exists?(item: @item)
+      flash[:alert] = "You don't have #{@item.name}."
+      redirect_to character_items_path(current_char) and return
+    end
+    @item.whatnot[:use_effects]&.each do |effect|
+      case effect[:type]
+      when "change_wounds"
+        Character.transaction do
+          wounds_change = [effect[:value], -current_char.wounds].max
+          current_char.shift_item(@item, -1)
+          current_char.wounds = current_char.wounds + wounds_change
+          current_char.save!
+          flash[:notice] = "#{effect[:message]}"
+          heal_or_gain = wounds_change.positive? ? "gain" : "heal"
+          flash[:notice] += " You #{heal_or_gain} #{wounds_change.abs} wound(s)."
+        end
+      else
+        raise "Invalid use effect type string (#{effect[:type]})"
+      end
+      redirect_to character_items_path(current_char)
+    end
+  end
 end
diff --git a/app/models/character.rb b/app/models/character.rb
index a6e8ff6..ef8768e 100644
--- a/app/models/character.rb
+++ b/app/models/character.rb
@@ -145,7 +145,7 @@ class Character < ApplicationRecord
   def equipment_stats
     stats = {}
     self.equipment.each do |eq|
-      eq.item.whatnot[:effects]&.each do |effect|
+      eq.item.whatnot[:equip_effects]&.each do |effect|
         if effect[:type] == "stat"
           stats[effect[:gid]] ||= 0
           stats[effect[:gid]] += effect[:modifier]
diff --git a/app/models/item.rb b/app/models/item.rb
index 5e60f04..1ef5d7d 100644
--- a/app/models/item.rb
+++ b/app/models/item.rb
@@ -4,12 +4,15 @@ class Item < ApplicationRecord
   enum equip_slot: [:mainhand, :offhand, :head, :neck, :back, :torso, :grip,
                     :left_ring, :right_ring, :waist, :legs, :feet, :curio]
   validates :gid, :name, :description, presence: true
-  validates :usable, inclusion: { in: [true, false] }
 
   def equipment?
     self.whatnot && self.whatnot[:equip_slots]&.any?
   end
 
+  def usable?
+    self.whatnot && self.whatnot[:use_effects]&.any?
+  end
+
   def equip_slots
     return [] unless self.equipment?
     self.whatnot[:equip_slots].map { |data| data.to_sym }
diff --git a/app/views/characters/items/index.html.erb b/app/views/characters/items/index.html.erb
index a7c932d..20b43c0 100644
--- a/app/views/characters/items/index.html.erb
+++ b/app/views/characters/items/index.html.erb
@@ -48,7 +48,7 @@
       </td>
       <td class="table-cell-padded">
         <% if ci.item.usable? %>
-          <%= link_to "[Use]", "#" %>
+          <%= button_to "Use", character_item_use_path(item_id: ci.item.id) %>
         <% end %>
       </td>
     </tr>
-- 
cgit v1.2.3