From 4d7812a8b9d824deda745e42cb7aac8e64577013 Mon Sep 17 00:00:00 2001
From: Jordan Bracco <href@random.sh>
Date: Sun, 11 Dec 2022 17:19:11 +0000
Subject: feat(telegram): create account for telegram user

Ref T53
---
 lib/irc/account.ex       |  6 ++++++
 lib/lsg_telegram/room.ex | 34 ++++++++++++++++++++++++++++------
 2 files changed, 34 insertions(+), 6 deletions(-)

diff --git a/lib/irc/account.ex b/lib/irc/account.ex
index 28b5141..beb8daa 100644
--- a/lib/irc/account.ex
+++ b/lib/irc/account.ex
@@ -236,6 +236,12 @@ defmodule IRC.Account do
     if make_default, do: new_account(user), else: nil
   end
 
+  def new_account(nick) do
+    id = EntropyString.large_id()
+    :dets.insert(file("db"), {id, nick, EntropyString.token()})
+    get(id)
+  end
+
   defp new_account(%{nick: nick, network: server}) do
     id = EntropyString.large_id()
     :dets.insert(file("db"), {id, nick, EntropyString.token()})
diff --git a/lib/lsg_telegram/room.ex b/lib/lsg_telegram/room.ex
index db3308e..da774c8 100644
--- a/lib/lsg_telegram/room.ex
+++ b/lib/lsg_telegram/room.ex
@@ -71,15 +71,37 @@ defmodule LSG.TelegramRoom do
     :ignoree
   end
 
-  def handle_update(%{"message" => %{"from" => %{"id" => user_id}, "text" => text}}, _token, state) do
-    account = IRC.Account.find_meta_account("telegram-id", user_id)
+  defp find_or_create_meta_account(from = %{"id" => user_id}, state) do
+    if account = IRC.Account.find_meta_account("telegram-id", user_id) do
+      account
+    else
+      first_name = Map.get(from, "first_name")
+      last_name = Map.get(from, "last_name")
+      name = [first_name, last_name]
+      |> Enum.filter(& &1)
+      |> Enum.join(" ")
+
+      username = Map.get(from, "username", first_name)
+
+      account = username
+      |> IRC.Account.new_account()
+      |> IRC.Account.update_account_name(name)
+      |> IRC.Account.put_meta("telegram-id", user_id)
+
+      Logger.info("telegram_room: created account #{account.id} for telegram user #{user_id}")
+      account
+    end
+  end
+
+  def handle_update(%{"message" => %{"from" => from = %{"id" => user_id}, "text" => text}}, _token, state) do
+    account = find_or_create_meta_account(from, state)
     connection = IRC.Connection.get_network(state.net)
     IRC.send_message_as(account, state.net, state.chan, text, true)
     {:ok, state}
   end
 
-  def handle_update(data = %{"message" => %{"from" => %{"id" => user_id}, "location" => %{"latitude" => lat, "longitude" => lon}}}, _token, state) do
-    account = IRC.Account.find_meta_account("telegram-id", user_id)
+  def handle_update(data = %{"message" => %{"from" => from = %{"id" => user_id}, "location" => %{"latitude" => lat, "longitude" => lon}}}, _token, state) do
+    account = find_or_create_meta_account(from, state)
     connection = IRC.Connection.get_network(state.net)
     IRC.send_message_as(account, state.net, state.chan, "@ #{lat}, #{lon}", true)
     {:ok, state}
@@ -113,8 +135,8 @@ defmodule LSG.TelegramRoom do
     {:ok, state}
   end
 
-  defp upload(_type, %{"message" => m = %{"chat" => %{"id" => chat_id}, "from" => %{"id" => user_id}}}, token, state) do
-    account = IRC.Account.find_meta_account("telegram-id", user_id)
+  defp upload(_type, %{"message" => m = %{"chat" => %{"id" => chat_id}, "from" => from = %{"id" => user_id}}}, token, state) do
+    account = find_or_create_meta_account(from, state)
     if account do
       {content, type} = cond do
         m["photo"] -> {m["photo"], "photo"}
-- 
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