refactor(email): add support for dear donator

Author: mydearxym

lib/groupher_server/billing/delegates/actions.ex

@@ -4,8 +4,11 @@ defmodule GroupherServer.Billing.Delegate.Actions do
   """
   import Helper.Utils, only: [get_config: 2]
 
+  alias Helper.ORM
+
   alias GroupherServer.Accounts
   alias GroupherServer.Billing.BillRecord
+  alias GroupherServer.Email
 
   alias Accounts.User
 
@@ -15,29 +18,39 @@ defmodule GroupherServer.Billing.Delegate.Actions do
     plan = if amount >= @senior_amount_threshold, do: :senior, else: :donate
 
     with {:ok, _} <- Accounts.upgrade_by_plan(%User{id: record.user_id}, plan) do
+      send_thanks_email(record)
       {:ok, record}
     end
   end
 
   def after_bill(%BillRecord{payment_usage: "senior"} = record, :done) do
     with {:ok, _} <- Accounts.upgrade_by_plan(%User{id: record.user_id}, :senior) do
+      send_thanks_email(record)
       {:ok, record}
     end
   end
 
   def after_bill(%BillRecord{payment_usage: "girls_code_too_plan"} = record, :done) do
     with {:ok, _} <- Accounts.upgrade_by_plan(%User{id: record.user_id}, :senior) do
+      send_thanks_email(record)
       {:ok, record}
     end
   end
 
   def after_bill(%BillRecord{payment_usage: "sponsor"} = record, :done) do
     with {:ok, _} <- Accounts.upgrade_by_plan(%User{id: record.user_id}, :sponsor) do
+      send_thanks_email(record)
       {:ok, record}
     end
   end
 
   def after_bill(%BillRecord{payment_usage: _payment_usage}, _state) do
     {:error, "mismatch action"}
   end
+
+  defp send_thanks_email(%BillRecord{} = record) do
+    with {:ok, user} <- ORM.find(User, record.user_id, preload: :achievement) do
+      Email.thanks_donation(user, record)
+    end
+  end
 end

lib/groupher_server/mailer/email.ex

@@ -30,6 +30,17 @@ defmodule GroupherServer.Email do
     {:ok, :pass}
   end
 
+  def thanks_donation(%User{email: email} = user, %BillRecord{} = record) do
+    # IO.inspect(email, label: "thanks_donation")
+
+    base_mail()
+    |> to(email)
+    |> subject("感谢你的打赏")
+    |> html_body(Templates.ThanksDonation.html(user, record))
+    |> text_body(Templates.ThanksDonation.text())
+    |> Mailer.deliver_later()
+  end
+
   def notify_admin(%User{from_github: true} = user, :new_register) do
     base_mail()
     |> to(@admin_email)