database updates

lib/elixir_ai/data/db_helpers.ex

@@ -1,6 +1,26 @@
 defmodule ElixirAi.Data.DbHelpers do
+  require Logger
   @get_named_param ~r/\$\((\w+)\)/
 
+  def run_sql(sql, params, topic) do
+    {sql, params} = named_params_to_positional_params(sql, params)
+
+    try do
+      Ecto.Adapters.SQL.query!(ElixirAi.Repo, sql, params)
+    rescue
+      exception ->
+        Logger.error("Database error: #{Exception.message(exception)}")
+
+        Phoenix.PubSub.broadcast(
+          ElixirAi.PubSub,
+          topic,
+          {:db_error, Exception.message(exception)}
+        )
+
+        {:error, :db_error}
+    end
+  end
+
   def named_params_to_positional_params(query, params) do
     param_occurrences = Regex.scan(@get_named_param, query)