gitea/models/models.go
2016-12-02 07:41:19 +01:00

278 lines
7.9 KiB
Go

// Copyright 2014 The Gogs Authors. All rights reserved.
// Use of this source code is governed by a MIT-style
// license that can be found in the LICENSE file.
package models
import (
"database/sql"
"errors"
"fmt"
"net/url"
"os"
"path"
"strings"
// Needed for the MySQL driver
_ "github.com/go-sql-driver/mysql"
"github.com/go-xorm/core"
"github.com/go-xorm/xorm"
// Needed for the Postgresql driver
_ "github.com/lib/pq"
"code.gitea.io/gitea/models/migrations"
"code.gitea.io/gitea/modules/setting"
)
// Engine represents a xorm engine or session.
type Engine interface {
Delete(interface{}) (int64, error)
Exec(string, ...interface{}) (sql.Result, error)
Find(interface{}, ...interface{}) error
Get(interface{}) (bool, error)
Id(interface{}) *xorm.Session
In(string, ...interface{}) *xorm.Session
Insert(...interface{}) (int64, error)
InsertOne(interface{}) (int64, error)
Iterate(interface{}, xorm.IterFunc) error
SQL(interface{}, ...interface{}) *xorm.Session
Where(interface{}, ...interface{}) *xorm.Session
}
func sessionRelease(sess *xorm.Session) {
if !sess.IsCommitedOrRollbacked {
sess.Rollback()
}
sess.Close()
}
var (
x *xorm.Engine
tables []interface{}
// HasEngine specifies if we have a xorm.Engine
HasEngine bool
// DbCfg holds the database settings
DbCfg struct {
Type, Host, Name, User, Passwd, Path, SSLMode string
}
// EnableSQLite3 use SQLite3
EnableSQLite3 bool
// EnableTiDB enable TiDB
EnableTiDB bool
)
func init() {
tables = append(tables,
new(User), new(PublicKey), new(AccessToken),
new(Repository), new(DeployKey), new(Collaboration), new(Access), new(Upload),
new(Watch), new(Star), new(Follow), new(Action),
new(Issue), new(PullRequest), new(Comment), new(Attachment), new(IssueUser),
new(Label), new(IssueLabel), new(Milestone),
new(Mirror), new(Release), new(LoginSource), new(Webhook),
new(UpdateTask), new(HookTask),
new(Team), new(OrgUser), new(TeamUser), new(TeamRepo),
new(Notice), new(EmailAddress))
gonicNames := []string{"SSL", "UID"}
for _, name := range gonicNames {
core.LintGonicMapper[name] = true
}
}
// LoadConfigs loads the database settings
func LoadConfigs() {
sec := setting.Cfg.Section("database")
DbCfg.Type = sec.Key("DB_TYPE").String()
switch DbCfg.Type {
case "sqlite3":
setting.UseSQLite3 = true
case "mysql":
setting.UseMySQL = true
case "postgres":
setting.UsePostgreSQL = true
case "tidb":
setting.UseTiDB = true
}
DbCfg.Host = sec.Key("HOST").String()
DbCfg.Name = sec.Key("NAME").String()
DbCfg.User = sec.Key("USER").String()
if len(DbCfg.Passwd) == 0 {
DbCfg.Passwd = sec.Key("PASSWD").String()
}
DbCfg.SSLMode = sec.Key("SSL_MODE").String()
DbCfg.Path = sec.Key("PATH").MustString("data/gitea.db")
}
// parsePostgreSQLHostPort parses given input in various forms defined in
// https://www.postgresql.org/docs/current/static/libpq-connect.html#LIBPQ-CONNSTRING
// and returns proper host and port number.
func parsePostgreSQLHostPort(info string) (string, string) {
host, port := "127.0.0.1", "5432"
if strings.Contains(info, ":") && !strings.HasSuffix(info, "]") {
idx := strings.LastIndex(info, ":")
host = info[:idx]
port = info[idx+1:]
} else if len(info) > 0 {
host = info
}
return host, port
}
func getEngine() (*xorm.Engine, error) {
connStr := ""
var Param = "?"
if strings.Contains(DbCfg.Name, Param) {
Param = "&"
}
switch DbCfg.Type {
case "mysql":
if DbCfg.Host[0] == '/' { // looks like a unix socket
connStr = fmt.Sprintf("%s:%s@unix(%s)/%s%scharset=utf8&parseTime=true",
DbCfg.User, DbCfg.Passwd, DbCfg.Host, DbCfg.Name, Param)
} else {
connStr = fmt.Sprintf("%s:%s@tcp(%s)/%s%scharset=utf8&parseTime=true",
DbCfg.User, DbCfg.Passwd, DbCfg.Host, DbCfg.Name, Param)
}
case "postgres":
host, port := parsePostgreSQLHostPort(DbCfg.Host)
if host[0] == '/' { // looks like a unix socket
connStr = fmt.Sprintf("postgres://%s:%s@:%s/%s%ssslmode=%s&host=%s",
url.QueryEscape(DbCfg.User), url.QueryEscape(DbCfg.Passwd), port, DbCfg.Name, Param, DbCfg.SSLMode, host)
} else {
connStr = fmt.Sprintf("postgres://%s:%s@%s:%s/%s%ssslmode=%s",
url.QueryEscape(DbCfg.User), url.QueryEscape(DbCfg.Passwd), host, port, DbCfg.Name, Param, DbCfg.SSLMode)
}
case "sqlite3":
if !EnableSQLite3 {
return nil, errors.New("this binary version does not build support for SQLite3")
}
if err := os.MkdirAll(path.Dir(DbCfg.Path), os.ModePerm); err != nil {
return nil, fmt.Errorf("Fail to create directories: %v", err)
}
connStr = "file:" + DbCfg.Path + "?cache=shared&mode=rwc"
case "tidb":
if !EnableTiDB {
return nil, errors.New("this binary version does not build support for TiDB")
}
if err := os.MkdirAll(path.Dir(DbCfg.Path), os.ModePerm); err != nil {
return nil, fmt.Errorf("Fail to create directories: %v", err)
}
connStr = "goleveldb://" + DbCfg.Path
default:
return nil, fmt.Errorf("Unknown database type: %s", DbCfg.Type)
}
return xorm.NewEngine(DbCfg.Type, connStr)
}
// NewTestEngine sets a new test xorm.Engine
func NewTestEngine(x *xorm.Engine) (err error) {
x, err = getEngine()
if err != nil {
return fmt.Errorf("Connect to database: %v", err)
}
x.SetMapper(core.GonicMapper{})
return x.StoreEngine("InnoDB").Sync2(tables...)
}
// SetEngine sets the xorm.Engine
func SetEngine() (err error) {
x, err = getEngine()
if err != nil {
return fmt.Errorf("Fail to connect to database: %v", err)
}
x.SetMapper(core.GonicMapper{})
// WARNING: for serv command, MUST remove the output to os.stdout,
// so use log file to instead print to stdout.
logPath := path.Join(setting.LogRootPath, "xorm.log")
if err := os.MkdirAll(path.Dir(logPath), os.ModePerm); err != nil {
return fmt.Errorf("Fail to create dir %s: %v", logPath, err)
}
f, err := os.Create(logPath)
if err != nil {
return fmt.Errorf("Fail to create xorm.log: %v", err)
}
x.SetLogger(xorm.NewSimpleLogger(f))
x.ShowSQL(true)
return nil
}
// NewEngine initializes a new xorm.Engine
func NewEngine() (err error) {
if err = SetEngine(); err != nil {
return err
}
if err = x.Ping(); err != nil {
return err
}
if err = migrations.Migrate(x); err != nil {
return fmt.Errorf("migrate: %v", err)
}
if err = x.StoreEngine("InnoDB").Sync2(tables...); err != nil {
return fmt.Errorf("sync database struct error: %v", err)
}
return nil
}
// Statistic contains the database statistics
type Statistic struct {
Counter struct {
User, Org, PublicKey,
Repo, Watch, Star, Action, Access,
Issue, Comment, Oauth, Follow,
Mirror, Release, LoginSource, Webhook,
Milestone, Label, HookTask,
Team, UpdateTask, Attachment int64
}
}
// GetStatistic returns the database statistics
func GetStatistic() (stats Statistic) {
stats.Counter.User = CountUsers()
stats.Counter.Org = CountOrganizations()
stats.Counter.PublicKey, _ = x.Count(new(PublicKey))
stats.Counter.Repo = CountRepositories(true)
stats.Counter.Watch, _ = x.Count(new(Watch))
stats.Counter.Star, _ = x.Count(new(Star))
stats.Counter.Action, _ = x.Count(new(Action))
stats.Counter.Access, _ = x.Count(new(Access))
stats.Counter.Issue, _ = x.Count(new(Issue))
stats.Counter.Comment, _ = x.Count(new(Comment))
stats.Counter.Oauth = 0
stats.Counter.Follow, _ = x.Count(new(Follow))
stats.Counter.Mirror, _ = x.Count(new(Mirror))
stats.Counter.Release, _ = x.Count(new(Release))
stats.Counter.LoginSource = CountLoginSources()
stats.Counter.Webhook, _ = x.Count(new(Webhook))
stats.Counter.Milestone, _ = x.Count(new(Milestone))
stats.Counter.Label, _ = x.Count(new(Label))
stats.Counter.HookTask, _ = x.Count(new(HookTask))
stats.Counter.Team, _ = x.Count(new(Team))
stats.Counter.UpdateTask, _ = x.Count(new(UpdateTask))
stats.Counter.Attachment, _ = x.Count(new(Attachment))
return
}
// Ping tests if database is alive
func Ping() error {
return x.Ping()
}
// DumpDatabase dumps all data from database to file system.
func DumpDatabase(filePath string) error {
return x.DumpAllToFile(filePath)
}