A fork of Gitea (see branch `mj`) adding Majority Judgment Polls 𐄷 over Issues and Merge Requests. https://git.mieuxvoter.fr
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// Copyright 2014 The Gogs Authors. All rights reserved.
// Copyright 2018 The Gitea 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 (
"context"
"database/sql"
"errors"
"fmt"
"reflect"
"strings"
"code.gitea.io/gitea/modules/setting"
// Needed for the MySQL driver
_ "github.com/go-sql-driver/mysql"
"xorm.io/xorm"
"xorm.io/xorm/names"
"xorm.io/xorm/schemas"
// Needed for the Postgresql driver
_ "github.com/lib/pq"
// Needed for the MSSQL driver
_ "github.com/denisenkom/go-mssqldb"
)
// Engine represents a xorm engine or session.
type Engine interface {
Table(tableNameOrBean interface{}) *xorm.Session
Count(...interface{}) (int64, error)
Decr(column string, arg ...interface{}) *xorm.Session
Delete(interface{}) (int64, error)
Exec(...interface{}) (sql.Result, error)
Find(interface{}, ...interface{}) error
Get(interface{}) (bool, error)
ID(interface{}) *xorm.Session
In(string, ...interface{}) *xorm.Session
Incr(column string, arg ...interface{}) *xorm.Session
Insert(...interface{}) (int64, error)
InsertOne(interface{}) (int64, error)
Iterate(interface{}, xorm.IterFunc) error
Join(joinOperator string, tablename interface{}, condition string, args ...interface{}) *xorm.Session
SQL(interface{}, ...interface{}) *xorm.Session
Where(interface{}, ...interface{}) *xorm.Session
Asc(colNames ...string) *xorm.Session
Desc(colNames ...string) *xorm.Session
Limit(limit int, start ...int) *xorm.Session
SumInt(bean interface{}, columnName string) (res int64, err error)
}
const (
// When queries are broken down in parts because of the number
// of parameters, attempt to break by this amount
maxQueryParameters = 300
)
var (
x *xorm.Engine
tables []interface{}
// HasEngine specifies if we have a xorm.Engine
HasEngine 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(Label),
new(IssueLabel),
new(Milestone),
new(Mirror),
new(Release),
new(LoginSource),
new(Webhook),
new(HookTask),
new(Team),
new(OrgUser),
new(TeamUser),
new(TeamRepo),
new(Notice),
new(EmailAddress),
new(Notification),
new(IssueUser),
new(LFSMetaObject),
new(TwoFactor),
new(GPGKey),
new(GPGKeyImport),
new(RepoUnit),
new(RepoRedirect),
new(ExternalLoginUser),
new(ProtectedBranch),
new(UserOpenID),
new(IssueWatch),
new(CommitStatus),
new(Stopwatch),
new(TrackedTime),
new(DeletedBranch),
new(RepoIndexerStatus),
new(IssueDependency),
new(LFSLock),
new(Reaction),
new(IssueAssignees),
new(U2FRegistration),
new(TeamUnit),
new(Review),
new(OAuth2Application),
new(OAuth2AuthorizationCode),
new(OAuth2Grant),
new(Task),
new(LanguageStat),
new(EmailHash),
new(UserRedirect),
new(Project),
new(ProjectBoard),
new(ProjectIssue),
new(Session),
new(RepoTransfer),
new(Poll),
new(PollJudgment),
)
gonicNames := []string{"SSL", "UID"}
for _, name := range gonicNames {
names.LintGonicMapper[name] = true
}
}
func getEngine() (*xorm.Engine, error) {
connStr, err := setting.DBConnStr()
if err != nil {
return nil, err
}
var engine *xorm.Engine
if setting.Database.UsePostgreSQL && len(setting.Database.Schema) > 0 {
// OK whilst we sort out our schema issues - create a schema aware postgres
registerPostgresSchemaDriver()
engine, err = xorm.NewEngine("postgresschema", connStr)
} else {
engine, err = xorm.NewEngine(setting.Database.Type, connStr)
}
if err != nil {
return nil, err
}
if setting.Database.Type == "mysql" {
engine.Dialect().SetParams(map[string]string{"rowFormat": "DYNAMIC"})
} else if setting.Database.Type == "mssql" {
engine.Dialect().SetParams(map[string]string{"DEFAULT_VARCHAR": "nvarchar"})
}
engine.SetSchema(setting.Database.Schema)
return engine, nil
}
// NewTestEngine sets a new test xorm.Engine
func NewTestEngine() (err error) {
x, err = getEngine()
if err != nil {
return fmt.Errorf("Connect to database: %v", err)
}
x.SetMapper(names.GonicMapper{})
x.SetLogger(NewXORMLogger(!setting.IsProd()))
x.ShowSQL(!setting.IsProd())
return x.StoreEngine("InnoDB").Sync2(tables...)
}
// SetEngine sets the xorm.Engine
func SetEngine() (err error) {
x, err = getEngine()
if err != nil {
return fmt.Errorf("Failed to connect to database: %v", err)
}
x.SetMapper(names.GonicMapper{})
// WARNING: for serv command, MUST remove the output to os.stdout,
// so use log file to instead print to stdout.
x.SetLogger(NewXORMLogger(setting.Database.LogSQL))
x.ShowSQL(setting.Database.LogSQL)
x.SetMaxOpenConns(setting.Database.MaxOpenConns)
x.SetMaxIdleConns(setting.Database.MaxIdleConns)
x.SetConnMaxLifetime(setting.Database.ConnMaxLifetime)
return nil
}
// NewEngine initializes a new xorm.Engine
// This function must never call .Sync2() if the provided migration function fails.
// When called from the "doctor" command, the migration function is a version check
// that prevents the doctor from fixing anything in the database if the migration level
// is different from the expected value.
func NewEngine(ctx context.Context, migrateFunc func(*xorm.Engine) error) (err error) {
if err = SetEngine(); err != nil {
return err
}
x.SetDefaultContext(ctx)
if err = x.Ping(); err != nil {
return err
}
if err = migrateFunc(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
}
// NamesToBean return a list of beans or an error
func NamesToBean(names ...string) ([]interface{}, error) {
beans := []interface{}{}
if len(names) == 0 {
beans = append(beans, tables...)
return beans, nil
}
// Need to map provided names to beans...
beanMap := make(map[string]interface{})
for _, bean := range tables {
beanMap[strings.ToLower(reflect.Indirect(reflect.ValueOf(bean)).Type().Name())] = bean
beanMap[strings.ToLower(x.TableName(bean))] = bean
beanMap[strings.ToLower(x.TableName(bean, true))] = bean
}
gotBean := make(map[interface{}]bool)
for _, name := range names {
bean, ok := beanMap[strings.ToLower(strings.TrimSpace(name))]
if !ok {
return nil, fmt.Errorf("No table found that matches: %s", name)
}
if !gotBean[bean] {
beans = append(beans, bean)
gotBean[bean] = true
}
}
return beans, 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.Attachment, _ = x.Count(new(Attachment))
return
}
// Ping tests if database is alive
func Ping() error {
if x != nil {
return x.Ping()
}
return errors.New("database not configured")
}
// DumpDatabase dumps all data from database according the special database SQL syntax to file system.
func DumpDatabase(filePath, dbType string) error {
var tbs []*schemas.Table
for _, t := range tables {
t, err := x.TableInfo(t)
if err != nil {
return err
}
tbs = append(tbs, t)
}
type Version struct {
ID int64 `xorm:"pk autoincr"`
Version int64
}
t, err := x.TableInfo(&Version{})
if err != nil {
return err
}
tbs = append(tbs, t)
if len(dbType) > 0 {
return x.DumpTablesToFile(tbs, filePath, schemas.DBType(dbType))
}
return x.DumpTablesToFile(tbs, filePath)
}
// MaxBatchInsertSize returns the table's max batch insert size
func MaxBatchInsertSize(bean interface{}) int {
t, err := x.TableInfo(bean)
if err != nil {
return 50
}
return 999 / len(t.ColumnsSeq())
}
// Count returns records number according struct's fields as database query conditions
func Count(bean interface{}) (int64, error) {
return x.Count(bean)
}
// IsTableNotEmpty returns true if table has at least one record
func IsTableNotEmpty(tableName string) (bool, error) {
return x.Table(tableName).Exist()
}
// DeleteAllRecords will delete all the records of this table
func DeleteAllRecords(tableName string) error {
_, err := x.Exec(fmt.Sprintf("DELETE FROM %s", tableName))
return err
}
// GetMaxID will return max id of the table
func GetMaxID(beanOrTableName interface{}) (maxID int64, err error) {
_, err = x.Select("MAX(id)").Table(beanOrTableName).Get(&maxID)
return
}
// FindByMaxID filled results as the condition from database
func FindByMaxID(maxID int64, limit int, results interface{}) error {
return x.Where("id <= ?", maxID).
OrderBy("id DESC").
Limit(limit).
Find(results)
}