Adds some db tests using sql mock and slightly reorganises to facilitate testing

store/postgres.go

@@ -0,0 +1,37 @@
+package store
+
+import (
+	"github.com/jmoiron/sqlx"
+
+	"gitea.deepak.science/deepak/gogmagog/models"
+	"gitea.deepak.science/deepak/gogmagog/util"
+)
+
+type postgresStore struct {
+	db *sqlx.DB
+}
+
+// GetPostgresStore provides a store to back the model based on a postgres connection.
+func GetPostgresStore(db *sqlx.DB) (models.Store, error) {
+
+	db.MapperFunc(util.ToSnake)
+	return &postgresStore{db: db}, nil
+}
+
+func (store *postgresStore) SelectActions() ([]*models.Action, error) {
+	actions := make([]*models.Action, 0)
+	err := store.db.Select(&actions, "SELECT action_id, action_description, created_at, updated_at FROM actions")
+	if err != nil {
+		return nil, err
+	}
+	return actions, nil
+}
+
+func (store *postgresStore) SelectPlans() ([]*models.Plan, error) {
+	plans := make([]*models.Plan, 0)
+	err := store.db.Select(&plans, "SELECT plan_id, plan_date FROM plans")
+	if err != nil {
+		return nil, err
+	}
+	return plans, nil
+}