Move DB queries related to session tokens in a separate module

src/invidious/database/nonces.cr

@@ -0,0 +1,46 @@
+require "./base.cr"
+
+module Invidious::Database::Nonces
+  extend self
+
+  # -------------------
+  #  Insert
+  # -------------------
+
+  def insert(nonce : String, expire : Time)
+    request = <<-SQL
+      INSERT INTO nonces
+      VALUES ($1, $2)
+      ON CONFLICT DO NOTHING
+    SQL
+
+    PG_DB.exec(request, nonce, expire)
+  end
+
+  # -------------------
+  #  Update
+  # -------------------
+
+  def update_set_expired(nonce : String)
+    request = <<-SQL
+      UPDATE nonces
+      SET expire = $1
+      WHERE nonce = $2
+    SQL
+
+    PG_DB.exec(request, Time.utc(1990, 1, 1), nonce)
+  end
+
+  # -------------------
+  #  Select
+  # -------------------
+
+  def select(nonce : String) : Tuple(String, Time)?
+    request = <<-SQL
+      SELECT * FROM nonces
+      WHERE nonce = $1
+    SQL
+
+    return PG_DB.query_one?(request, nonce, as: {String, Time})
+  end
+end