Rating Previous Orders

README_Lunchbot.md

@@ -43,6 +43,7 @@ Below is the database model for Lunchbot displayed using mermaid.js. You can mod
         int id
         int order_id FK
         int item_id FK
+        int rating
     }
     ITEMS {
       int id

lib/lunchbot/lunchbot_data/item.ex

@@ -1,6 +1,10 @@
 defmodule Lunchbot.LunchbotData.Item do
   use Ecto.Schema
+
   import Ecto.Changeset
+  import Ecto.Query
+
+  alias Lunchbot.Repo
 
   schema "items" do
     belongs_to :category, Lunchbot.LunchbotData.Category
@@ -24,4 +28,13 @@ defmodule Lunchbot.LunchbotData.Item do
     |> cast(attrs, [:name, :description, :price, :category_id, :image_url, :item_image, :deleted])
     |> validate_required([:name, :price, :category_id])
   end
+
+  def get_rating(item_id) do
+    query =
+      from o in "order_items",
+        where: o.item_id == ^item_id,
+        select: avg(o.rating)
+
+    Repo.all(query) |> Enum.at(0) |> Decimal.round(1)
+  end
 end

lib/lunchbot/lunchbot_data/order_item.ex

@@ -6,14 +6,15 @@ defmodule Lunchbot.LunchbotData.OrderItem do
     belongs_to :item, Lunchbot.LunchbotData.Item
     field :order_id, :integer
     has_many :order_item_options, Lunchbot.LunchbotData.OrderItemOptions
+    field :rating, :integer
 
     timestamps()
   end
 
   @doc false
   def changeset(order_item, attrs) do
     order_item
-    |> cast(attrs, [:order_id, :item_id])
+    |> cast(attrs, [:order_id, :item_id, :rating])
     |> validate_required([:order_id, :item_id])
   end
 

lib/lunchbot_web/live/previous_orders_live.ex

@@ -1,10 +1,13 @@
 defmodule LunchbotWeb.PreviousOrdersLive do
   @moduledoc false
   use Phoenix.LiveView, layout: {LunchbotWeb.LayoutView, "live.html"}
+  #  use LunchbotWeb, :view
 
   import Lunchbot.Repo
+  import Phoenix.HTML.Link
   alias Lunchbot.Accounts
   alias Lunchbot.LunchbotData.Order
+  alias Lunchbot.LunchbotData.OrderItem
 
   # Initial state for the live view; populates the relevant socket assignments
   def mount(_params, session, socket) do
@@ -14,7 +17,17 @@ defmodule LunchbotWeb.PreviousOrdersLive do
       Accounts.get_user_by_session_token(user_token)
       |> preload(orders: [:menu, order_items: [:item, order_item_options: [:option]]])
 
-    {:ok, assign(socket, user: user_with_preloaded_orders)}
+    {:ok,
+     assign(socket,
+       user: user_with_preloaded_orders,
+       show_rating: true,
+       show_rating_modifiers: true
+     )}
+  end
+
+  def handle_event("rating-edit", %{"myvar1" => "@order_item", "myvar2" => "val2"}, socket) do
+    IO.inspect("TODO - HANDLE rating-edit EVENT")
+    {:noreply, socket}
   end
 
   def render(assigns) do
@@ -24,7 +37,37 @@ defmodule LunchbotWeb.PreviousOrdersLive do
     <%= for an_order <- @user.orders do %>
       <li>ORDER # <%= an_order.id %> || $<%= Order.get_total(an_order) %>
         <ul>
-          <LunchbotWeb.OrderComponent.display_order order={an_order} />
+          <div>
+            From <b><%= an_order.menu.name %></b> @ <em><%= an_order.inserted_at %></em>
+            <ul>
+              <%= for order_item <- an_order.order_items do %>
+                  <li><%= order_item.item.name %>
+                    <%= if !Enum.empty?(order_item.order_item_options) do %>
+                      (
+                      <%= for order_item_option <- order_item.order_item_options do %>
+                        <%= order_item_option.option.name %>
+                      <% end %>
+                      )
+                    <% end %>
+                    <%= if !is_nil(OrderItem.get_total(order_item)) do %>
+                      for <em>$<%= OrderItem.get_total(order_item) %></em>
+                    <% end %>
+                    <%= if Map.has_key?(assigns, :show_rating) do %>
+                      <%= if !is_nil(order_item.rating) do %>
+                        [Rating: <%= order_item.rating %>/5]
+                        <%= if Map.has_key?(assigns, :show_rating_modifiers) do %>
+                          (<span phx-click="rating-edit" phx-value-myvar1="@order_item" phx-value-myvar2="val2"><a>Edit Rating</a></span>)
+                        <% end %>
+                      <% else %>
+                        <%= if Map.has_key?(assigns, :show_rating_modifiers) do %>
+                          (<%= link "Add Rating", to: "#TODO-ADD-RATING" %>)
+                        <% end %>
+                      <% end %>
+                    <% end %>
+                  </li>
+              <% end %>
+            </ul>
+          </div>
         </ul>
       </li>
     <% end %>

lib/lunchbot_web/templates/admin/order_item/form.html.heex

@@ -22,6 +22,14 @@
         <%= error_tag f, :item_id %>
       </div>
     </div>
+
+    <div class="torch-form-group">
+      <%= label f, :rating %>
+      <div class="torch-form-group-input">
+        <%= number_input f, :rating %>
+        <%= error_tag f, :rating %>
+      </div>
+    </div>
 
     <div class="torch-submit-form">
       <%= submit "Submit", class: "torch-submit-button" %>

lib/lunchbot_web/templates/admin/order_item/index.html.heex

@@ -23,6 +23,12 @@
             <%= number_filter_select(:order_item, :item_id, @conn.params) %>
             <%= filter_number_input(:order_item, :item_id, @conn.params) %>
           </div>
+
+          <div class="field">
+            <label>Rating</label>
+            <%= number_filter_select(:order_item, :rating, @conn.params) %>
+            <%= filter_number_input(:order_item, :rating, @conn.params) %>
+          </div>
 
         <button type="submit" class="torch-button">Search</button>
         <%= link "Clear Filters", to: Routes.admin_order_item_path(@conn, :index) %>
@@ -39,6 +45,8 @@
               <th><%= table_link(@conn, "Order", :order_id) %></th>
 
               <th><%= table_link(@conn, "Item", :item_id) %></th>
+
+              <th><%= table_link(@conn, "Rating", :rating) %></th>
 
             <th><span>Actions</span></th>
           </tr>
@@ -50,6 +58,8 @@
                 <td><%= order_item.order_id %></td>
 
                 <td><%= order_item.item_id %></td>
+
+                <td><%= order_item.rating %></td>
 
               <td class="torch-actions">
                 <span><%= link "Show", to: Routes.admin_order_item_path(@conn, :show, order_item) %></span>

lib/lunchbot_web/templates/admin/order_item/show.html.heex

@@ -21,6 +21,11 @@
           <div class="torch-show-label">Item:</div>
           <div class="torch-show-data"><%= @order_item.item_id %></div>
         </div>
+
+        <div class="torch-show-attribute">
+          <div class="torch-show-label">Rating:</div>
+          <div class="torch-show-data"><%= @order_item.rating %></div>
+        </div>
 
     </section>
   </div>

priv/repo/migrations/20220808164936_add_rating_col_to_order_item.exs

@@ -0,0 +1,9 @@
+defmodule Lunchbot.Repo.Migrations.AddRatingColToOrderItem do
+  use Ecto.Migration
+
+  def change do
+    alter table(:order_items) do
+      add :rating, :integer
+    end
+  end
+end