adds create and update time to actions

db/migrations/000001_create_action_table.down.sql

@@ -1 +1,3 @@
 DROP TABLE IF EXISTS actions;
+
+DROP FUNCTION IF EXISTS trigger_set_timestamp;

db/migrations/000001_create_action_table.up.sql

@@ -1,4 +1,20 @@
 CREATE TABLE IF NOT EXISTS actions(
 	id serial PRIMARY KEY,
-	description VARCHAR (500)
+	description VARCHAR (500),
+	created_at TIMESTAMP WITH TIME ZONE DEFAULT CURRENT_TIMESTAMP,
+	updated_at TIMESTAMP WITH TIME ZONE DEFAULT CURRENT_TIMESTAMP
 );
+
+
+CREATE OR REPLACE FUNCTION trigger_set_timestamp()
+RETURNS TRIGGER AS $set_updated$
+BEGIN
+	NEW.updated_at = NOW();
+	RETURN NEW;
+END;
+$set_updated$ LANGUAGE plpgsql;
+
+CREATE TRIGGER set_updated
+BEFORE UPDATE ON actions
+FOR EACH ROW
+EXECUTE PROCEDURE trigger_set_timestamp();

db/postgres.go

@@ -61,7 +61,7 @@ func GetStore() *postgresStore {
 
 func (store *postgresStore) SelectActions() ([]*models.Action, error) {
 	actions := make([]*models.Action, 0)
-	err := store.db.Select(&actions, "SELECT id, description FROM actions")
+	err := store.db.Select(&actions, "SELECT id, description, created_at AS createdat, updated_at AS updatedat FROM actions")
 	if err != nil {
 		return nil, err
 	}

models/action.go

@@ -1,10 +1,16 @@
 package models
-
-type Action struct {
-	ID int64
-	Description string
-}
-
-func (m *Model) Actions() ([]*Action, error) {
-	return m.SelectActions()
-}
+
+import (
+	"time"
+)
+
+type Action struct {
+	ID int64
+	Description string
+	CreatedAt time.Time
+	UpdatedAt time.Time
+}
+
+func (m *Model) Actions() ([]*Action, error) {
+	return m.SelectActions()
+}