From f762f5c030f240da321e9fe7fdbcd3d56391aad7 Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?Timoth=C3=A9e=20Floure?= <timothee.floure@posteo.net>
Date: Wed, 20 Jan 2021 18:17:16 +0100
Subject: [PATCH] Wire Odoo invoices to billing view (Fixes #13)

---
 lib/recycledcloud/billing/invoice.ex          | 36 +++++++++++++++++++
 .../controllers/billing_controller.ex         | 22 +++++++++---
 .../templates/billing/index.html.eex          | 25 +++++++++++++
 3 files changed, 79 insertions(+), 4 deletions(-)
 create mode 100644 lib/recycledcloud/billing/invoice.ex

diff --git a/lib/recycledcloud/billing/invoice.ex b/lib/recycledcloud/billing/invoice.ex
new file mode 100644
index 0000000..b783e7a
--- /dev/null
+++ b/lib/recycledcloud/billing/invoice.ex
@@ -0,0 +1,36 @@
+defmodule RecycledCloud.Billing.Invoice do
+  alias RecycledCloud.Billing.{Partner, Invoice}
+  alias RecycledCloud.Odoo
+
+  use Ecto.Schema
+
+  embedded_schema do
+    field :display_name, :string
+    field :invoice_date, :date
+    field :invoice_date_due, :date
+    field :amount_total, :float
+    field :access_url, :string
+    field :state, :string
+  end
+
+  def get_all_for(%Partner{} = partner) do
+    fields = ["id", "display_name", "invoice_date", "invoice_date_due",
+      "amount_total", "access_url", "state"]
+    result = Odoo.query([
+      "account.move",
+      "search_read",
+      [[["commercial_partner_id", "=", partner.id]]],
+      %{"fields" => fields}
+    ])
+
+    structify = fn raw ->
+      args = raw |> Enum.map(fn {k, v} -> {String.to_atom(k), v} end)
+      struct(Invoice, args)
+    end
+
+    case result do
+      {:ok, entries} -> entries |> Enum.map(structify)
+      _ -> nil
+    end
+  end
+end
diff --git a/lib/recycledcloud_web/controllers/billing_controller.ex b/lib/recycledcloud_web/controllers/billing_controller.ex
index 69e7405..4cfe757 100644
--- a/lib/recycledcloud_web/controllers/billing_controller.ex
+++ b/lib/recycledcloud_web/controllers/billing_controller.ex
@@ -1,7 +1,7 @@
 defmodule RecycledCloudWeb.BillingController do
   use RecycledCloudWeb, :controller
 
-  alias RecycledCloud.Billing.Partner
+  alias RecycledCloud.Billing.{Partner, Invoice}
   alias RecycledCloud.Repo
 
   def current_partner(conn) do
@@ -12,8 +12,15 @@ defmodule RecycledCloudWeb.BillingController do
   def index(conn, _params) do
     partner = conn |> current_partner
     changeset = partner |> Partner.changeset(%{})
+    invoices = partner |> Invoice.get_all_for
 
-    render(conn, "index.html", partner: partner, partner_changeset: changeset)
+    render(
+      conn,
+      "index.html",
+      partner: partner,
+      partner_changeset: changeset,
+      invoices: invoices
+    )
   end
 
   def update(conn, %{"partner" => changes} = params) do
@@ -26,8 +33,15 @@ defmodule RecycledCloudWeb.BillingController do
         |> put_flash(:info, "Billing Partner has been updated")
         |> redirect(to: Routes.billing_path(conn, :index))
       {:error, changeset} ->
-        render(conn, "index.html", partner: partner, partner_changeset:
-          changeset)
+
+        invoices = partner |> Invoice.get_all_for
+        render(
+          conn,
+          "index.html",
+          partner: partner,
+          partner_changeset: changeset,
+          invoices: invoices
+        )
     end
   end
 end
diff --git a/lib/recycledcloud_web/templates/billing/index.html.eex b/lib/recycledcloud_web/templates/billing/index.html.eex
index 8fd9e9c..96a1f07 100644
--- a/lib/recycledcloud_web/templates/billing/index.html.eex
+++ b/lib/recycledcloud_web/templates/billing/index.html.eex
@@ -38,3 +38,28 @@
     <%= submit "Change address" %>
   </div>
 <% end %>
+
+<h2>Invoices</h2>
+
+<table>
+  <thead>
+    <tr>
+      <th>#</th>
+      <th>Created On</th>
+      <th>Due on</th>
+      <th>Amount</th>
+      <th>State</th>
+    </tr>
+  </thead>
+  <tbody>
+    <%= for invoice <- @invoices do %>
+      <tr>
+        <td><%= invoice.display_name %></td>
+        <td><%= invoice.invoice_date %></td>
+        <td><%= invoice.invoice_date_due %></td>
+        <td><%= invoice.amount_total %></td>
+        <td><%= invoice.state %></td>
+      </tr>
+    <% end %>
+  </tbody>
+</table>