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runtime.go
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runtime.go
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// Copyright 2016 Documize Inc. <legal@documize.com>. All rights reserved.
//
// This software (Documize Community Edition) is licensed under
// GNU AGPL v3 http://www.gnu.org/licenses/agpl-3.0.en.html
//
// You can operate outside the AGPL restrictions by purchasing
// Documize Enterprise Edition and obtaining a commercial license
// by contacting <sales@documize.com>.
//
// https://documize.com
// Package env provides runtime, server level setup and configuration
package env
import (
"context"
"database/sql"
"github.com/documize/community/domain"
"github.com/jmoiron/sqlx"
)
const (
// SiteModeNormal serves app
SiteModeNormal = ""
// SiteModeOffline serves offline.html
SiteModeOffline = "1"
// SiteModeSetup tells Ember to serve setup route
SiteModeSetup = "2"
// SiteModeBadDB redirects to db-error.html page
SiteModeBadDB = "3"
)
// Runtime provides access to database, logger and other server-level scoped objects.
// Use Context for per-request values.
type Runtime struct {
Flags Flags
Db *sqlx.DB
StoreProvider StoreProvider
Log Logger
Product domain.Product
}
// StartTx beings database transaction with application defined
// database transaction isolation level.
// Any error encountered during this operation is logged to runtime logger.
func (r *Runtime) StartTx(i sql.IsolationLevel) (tx *sqlx.Tx, ok bool) {
tx, err := r.Db.BeginTxx(context.Background(), &sql.TxOptions{Isolation: i})
if err != nil {
r.Log.Error("unable to start database transaction", err)
return nil, false
}
return tx, true
}
// Rollback aborts active database transaction.
// Any error encountered during this operation is logged to runtime logger.
func (r *Runtime) Rollback(tx *sqlx.Tx) bool {
if err := tx.Commit(); err != nil {
r.Log.Error("unable to commit database transaction", err)
return false
}
return true
}
// Commit flushes pending changes to database.
// Any error encountered during this operation is logged to runtime logger.
func (r *Runtime) Commit(tx *sqlx.Tx) bool {
if err := tx.Commit(); err != nil {
r.Log.Error("unable to commit database transaction", err)
return false
}
return true
}