Bazaar with buy orders, sell orders, and order cancellation

1 files changed, 91 insertions, 0 deletions

diff --git a/app/controllers/bazaar_controller.rb b/app/controllers/bazaar_controller.rb
new file mode 100644
index 0000000..b31e8fb
--- /dev/null
+++ b/app/controllers/bazaar_controller.rb
@@ -0,0 +1,91 @@
+class BazaarController < ApplicationController
+  def index
+    @bazaar_orders = BazaarOrder.all
+    @items = Item.all
+  end
+
+  def create_order
+    item = Item.find(params[:item_id])
+    quantity = params[:quantity].to_i
+    price_each = params[:price_each].to_i
+    if params[:buy_order] == "1"
+      BazaarOrder.transaction do
+        current_char.shift_item("vestige", (-price_each * quantity))
+        current_char.bazaar_orders.create!(item: item, quantity: quantity,
+                                          price_each: price_each, buy_order: true)
+        flash[:notice] = "Posted buy order for #{item.name} at #{price_each} vg each."
+      end
+    else
+      BazaarOrder.transaction do
+        current_char.shift_item(item, -quantity)
+        current_char.bazaar_orders.create!(item: item, quantity: quantity,
+                                          price_each: price_each, buy_order: false)
+        flash[:notice] = "Posted sell order for #{item.name} at #{price_each} vg each."
+      end
+    end
+  rescue ItemQuantityError
+    flash[:alert] = "Failed to post order. Make sure you have vestige or items."
+  ensure
+    redirect_to bazaar_path
+  end
+
+  def accept_offer
+    @bazaar_order = BazaarOrder.find(params[:id])
+    if @bazaar_order.buy_order?
+      BazaarOrder.transaction do
+        quantity = [params[:quantity].to_i, @bazaar_order.quantity].min
+        profit = quantity * @bazaar_order.price_each
+        current_char.shift_item(@bazaar_order.item, -quantity)
+        current_char.shift_item("vestige", profit)
+        @bazaar_order.character.shift_item(@bazaar_order.item, quantity)
+        @bazaar_order.decrement!(:quantity, quantity)
+        @bazaar_order.save!
+        flash[:notice] = "You sold #{quantity} #{@bazaar_order.item.name} and got #{profit} vg."
+      end
+    else
+      BazaarOrder.transaction do
+        quantity = [params[:quantity].to_i, @bazaar_order.quantity].min
+        cost = quantity * @bazaar_order.price_each
+        current_char.shift_item("vestige", -cost)
+        current_char.shift_item(@bazaar_order.item, quantity)
+        @bazaar_order.character.shift_item("vestige", cost)
+        @bazaar_order.decrement!(:quantity, quantity)
+        @bazaar_order.save!
+        flash[:notice] = "You bought #{quantity} #{@bazaar_order.item.name} for #{cost} vg."
+      end
+    end
+  rescue ItemQuantityError
+    flash[:alert] = "Failed to accept order. Make sure you have vestige or items."
+  ensure
+    redirect_to bazaar_path
+  end
+
+  def cancel_offer
+    @bazaar_order = BazaarOrder.find(params[:id])
+    unless @bazaar_order.character == current_char
+      flash[:alert] = "You can't cancel someone else's order."
+      redirect_to bazaar_path and return
+    end
+    if @bazaar_order.buy_order?
+      BazaarOrder.transaction do
+        vestige_to_return = @bazaar_order.quantity * @bazaar_order.price_each
+        @bazaar_order.character.shift_item("vestige", vestige_to_return)
+        @bazaar_order.destroy!
+        flash[:notice] = "You canceled your buy order for #{@bazaar_order.item.name} and got" \
+                         " #{vestige_to_return} vg back."
+      end
+    else
+      BazaarOrder.transaction do
+        items_to_return = @bazaar_order.quantity
+        @bazaar_order.character.shift_item(@bazaar_order.item, items_to_return)
+        @bazaar_order.destroy!
+        flash[:notice] = "You canceled your sell order for #{@bazaar_order.item.name} and got" \
+                         " #{items_to_return} of them back."
+      end
+    end
+  rescue ItemQuantityError
+    flash[:alert] = "Failed to cancel order."
+  ensure
+    redirect_to bazaar_path
+  end
+end