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Move all chain method to main.go

This commit is contained in:
Jinzhu 2013-11-16 11:36:30 +08:00
parent 7912631be7
commit 3cfa19b761
5 changed files with 205 additions and 100 deletions
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30
chain.go
View File

@ -71,16 +71,6 @@ func (s *Chain) Model(model interface{}) *Chain {
return s
}
func (s *Chain) Where(querystring interface{}, args ...interface{}) *Chain {
s.whereClause = append(s.whereClause, map[string]interface{}{"query": querystring, "args": args})
return s
}
func (s *Chain) Not(querystring interface{}, args ...interface{}) *Chain {
s.notClause = append(s.notClause, map[string]interface{}{"query": querystring, "args": args})
return s
}
func (s *Chain) Limit(value interface{}) *Chain {
if str, err := getInterfaceAsString(value); err == nil {
s.limitStr = str
@ -151,16 +141,6 @@ func (s *Chain) Exec(sql string) *Chain {
return s
}
func (s *Chain) First(out interface{}, where ...interface{}) *Chain {
s.do(out).where(where...).first()
return s
}
func (s *Chain) Last(out interface{}, where ...interface{}) *Chain {
s.do(out).where(where...).last()
return s
}
func (s *Chain) Attrs(attrs ...interface{}) *Chain {
s.initAttrs = append(s.initAttrs, toSearchableMap(attrs...))
return s
@ -196,21 +176,11 @@ func (s *Chain) FirstOrCreate(out interface{}, where ...interface{}) *Chain {
return s
}
func (s *Chain) Find(out interface{}, where ...interface{}) *Chain {
s.do(out).where(where...).query()
return s
}
func (s *Chain) Pluck(column string, value interface{}) (orm *Chain) {
s.do(s.value).pluck(column, value)
return s
}
func (s *Chain) Or(querystring interface{}, args ...interface{}) *Chain {
s.orClause = append(s.orClause, map[string]interface{}{"query": querystring, "args": args})
return s
}
func (s *Chain) Unscoped() *Chain {
s.unscoped = true
return s

10
do.go
View File

@ -14,7 +14,7 @@ import (
type Do struct {
chain *Chain
db sqlCommon
db *DB
guessedTableName string
specifiedTableName string
startedTransaction bool
@ -732,6 +732,14 @@ func (s *Do) commit_or_rollback() {
}
}
func (s *Do) initialize() {
// TODO initializeWithSearchCondition
}
func (s *Do) updateAttrs_() {
// TODO return false if no updates
}
func (s *Do) initializeWithSearchCondition() {
for _, clause := range s.whereClause {
switch value := clause["query"].(type) {

2
errors.go
View File

@ -5,4 +5,6 @@ import "errors"
var (
RecordNotFound = errors.New("Record Not Found")
InvalidSql = errors.New("Invalid SQL")
NoNewAttrs = errors.New("No new Attributes")
NoValidTransaction = errors.New("No valid transaction")
)

244
main.go
View File

@ -1,18 +1,21 @@
package gorm
import "database/sql"
import (
"errors"
"database/sql"
)
import "github.com/jinzhu/gorm/dialect"
var singularTableName bool
var tagIdentifier string
func init() {
tagIdentifier = "sql"
}
type DB struct {
db sqlCommon
parent *DB
search *search
data interface{}
Error error
dialect dialect.Dialect
tagIdentifier string
singularTable bool
logger Logger
logMode bool
}
@ -20,6 +23,7 @@ type DB struct {
func Open(driver, source string) (db DB, err error) {
db.db, err = sql.Open(driver, source)
db.dialect = dialect.New(driver)
db.parent = &db
return
}
@ -30,117 +34,231 @@ func (s *DB) SetPool(n int) {
}
func (s *DB) SetTagIdentifier(str string) {
tagIdentifier = str
s.parent.tagIdentifier = str
}
func (s *DB) SetLogger(l Logger) {
s.logger = l
s.parent.logger = l
}
func (s *DB) LogMode(b bool) {
s.logMode = b
s.parent.logMode = b
}
func (s *DB) SingularTable(result bool) {
singularTableName = result
func (s *DB) SingularTable(b bool) {
s.parent.singularTable = b
}
func (s *DB) buildChain() *Chain {
return &Chain{db: s.db, d: s}
func (s *DB) clone() *DB {
db := &DB{db: s.db, parent: s.parent, search: s.parent.search.clone()}
db.search.db = db
return db
}
func (s *DB) Where(querystring interface{}, args ...interface{}) *Chain {
return s.buildChain().Where(querystring, args...)
func (s *DB) do(data interface{}) *Do {
s.data = data
return &Do{db: s}
}
func (s *DB) Not(querystring interface{}, args ...interface{}) *Chain {
return s.buildChain().Not(querystring, args...)
func (s *DB) err(err error) error {
if err != nil {
s.Error = err
s.warn(err)
}
return err
}
func (s *DB) First(out interface{}, where ...interface{}) *Chain {
return s.buildChain().First(out, where...)
func (s *DB) hasError() bool {
return s.Error != nil
}
func (s *DB) Last(out interface{}, where ...interface{}) *Chain {
return s.buildChain().Last(out, where...)
func (s *DB) Where(query interface{}, args ...interface{}) *DB {
return s.clone().search.where(query, args...).db
}
func (s *DB) Attrs(attrs ...interface{}) *Chain {
return s.buildChain().Attrs(attrs...)
func (s *DB) Or(query interface{}, args ...interface{}) *DB {
return s.clone().search.where(query, args...).db
}
func (s *DB) Assign(attrs ...interface{}) *Chain {
return s.buildChain().Assign(attrs...)
func (s *DB) Not(query interface{}, args ...interface{}) *DB {
return s.clone().search.not(query, args...).db
}
func (s *DB) FirstOrInit(out interface{}, where ...interface{}) *Chain {
return s.buildChain().FirstOrInit(out, where...)
func (s *DB) Limit(value interface{}) *DB {
return s.clone().search.limit(value).db
}
func (s *DB) FirstOrCreate(out interface{}, where ...interface{}) *Chain {
return s.buildChain().FirstOrCreate(out, where...)
func (s *DB) Offset(value interface{}) *DB {
return s.clone().search.offset(value).db
}
func (s *DB) Find(out interface{}, where ...interface{}) *Chain {
return s.buildChain().Find(out, where...)
func (s *DB) Order(value string, reorder ...bool) *DB {
return s.clone().search.order(value, reorder...).db
}
func (s *DB) Limit(value interface{}) *Chain {
return s.buildChain().Limit(value)
func (s *DB) Select(value interface{}) *DB {
return s.clone().search.selects(value).db
}
func (s *DB) Offset(value interface{}) *Chain {
return s.buildChain().Offset(value)
func (s *DB) Unscoped() *DB {
return s.clone().search.unscoped().db
}
func (s *DB) Order(value string, reorder ...bool) *Chain {
return s.buildChain().Order(value, reorder...)
func (s *DB) First(out interface{}, where ...interface{}) *DB {
s.clone().search.limit(1).where(where[0], where[1:]).db.do(out).first()
return s
}
func (s *DB) Select(value interface{}) *Chain {
return s.buildChain().Select(value)
func (s *DB) Last(out interface{}, where ...interface{}) *DB {
s.clone().search.limit(1).where(where[0], where[1:]).db.do(out).last()
return s
}
func (s *DB) Save(value interface{}) *Chain {
return s.buildChain().Save(value)
func (s *DB) Find(out interface{}, where ...interface{}) *DB {
s.clone().search.where(where[0], where[1:]).db.do(out).query()
return s
}
func (s *DB) Delete(value interface{}) *Chain {
return s.buildChain().Delete(value)
func (s *DB) Attrs(attrs ...interface{}) *DB {
return s.clone().search.attrs(attrs...).db
}
func (s *DB) Unscoped() *Chain {
return s.buildChain().Unscoped()
func (s *DB) Assign(attrs ...interface{}) *DB {
return s.clone().search.assign(attrs...).db
}
func (s *DB) Exec(sql string) *Chain {
return s.buildChain().Exec(sql)
func (s *DB) FirstOrInit(out interface{}, where ...interface{}) *DB {
if s.First(out, where...).Error != nil {
s.clone().do(out).where(where).initialize()
} else {
if len(s.search.assignAttrs) > 0 {
s.do(out).updateAttrs(s.assignAttrs) //updated or not
}
}
return s
}
func (s *DB) Model(value interface{}) *Chain {
return s.buildChain().Model(value)
func (s *DB) FirstOrCreate(out interface{}, where ...interface{}) *DB {
if s.First(out, where...).Error != nil {
s.clone().do(out).where(where...).initialize()
s.Save(out)
} else {
if len(s.search.assignAttrs) > 0 {
s.do(out).updateAttrs(s.search.assignAttrs).update()
}
}
return s
}
func (s *DB) Table(name string) *Chain {
return s.buildChain().Table(name)
func (s *DB) Save(value interface{}) *DB {
s.do(value).begin().save().commit_or_rollback()
return s
}
func (s *DB) CreateTable(value interface{}) *Chain {
return s.buildChain().CreateTable(value)
func (s *DB) Delete(value interface{}) *DB {
s.do(value).bengin().delete(value).commit_or_rollback()
return s
}
func (s *DB) DropTable(value interface{}) *Chain {
return s.buildChain().DropTable(value)
func (s *DB) Exec(sql string) *DB {
s.do(nil).exec(sql)
return s
}
func (s *DB) AutoMigrate(value interface{}) *Chain {
return s.buildChain().AutoMigrate(value)
func (s *DB) Model(value interface{}) *DB {
c := s.clone()
c.data = value
return c
}
func (s *DB) Debug() *Chain {
return s.buildChain().Debug()
func (s *DB) Related(value interface{}, foreign_keys ...string) *DB {
s.clone().do(value).related(s.value, foreign_keys...)
return s
}
func (s *DB) Begin() *Chain {
return s.buildChain().Begin()
func (s *DB) Pluck(column string, value interface{}) *DB {
s.clone().search.selects(column).do(s.value).pluck(column, value)
return s
}
func (s *DB) Count(value interface{}) *DB {
s.clone().search.selects("count(*)").do(s.value).count(value)
return s
}
func (s *DB) Table(name string) *DB {
return s.clone().table(name).db
}
// Debug
func (s *DB) Debug() *DB {
s.logMode = true
return s
}
// Transactions
func (s *DB) Begin() *DB {
c := s.clone()
if db, ok := c.db.(sqlDb); ok {
tx, err := db.Begin()
c.db = interface{}(tx).(sqlCommon)
c.err(err)
} else {
c.err(errors.New("Can't start a transaction."))
}
return c
}
func (s *DB) Commit() *DB {
if db, ok := s.db.(sqlTx); ok {
s.err(db.Commit())
} else {
s.err(NoValidTransaction)
}
return s
}
func (s *DB) Rollback() *DB {
if db, ok := s.db.(sqlTx); ok {
s.err(db.Rollback())
} else {
s.err(NoValidTransaction)
}
return s
}
// Migrations
func (s *DB) CreateTable(value interface{}) *DB {
s.do(value).createTable()
return s
}
func (s *DB) DropTable(value interface{}) *DB {
s.do(value).dropTable()
return s
}
func (s *DB) AutoMigrate(value interface{}) *DB {
s.do(value).autoMigrate()
return s
}
func (s *DB) UpdateColumn(column string, typ string) *DB {
s.do(s.data).updateColumn(column, typ)
return s
}
func (s *DB) DropColumn(column string) *DB {
s.do(s.data).dropColumn(column)
return s
}
func (s *DB) AddIndex(column string, index_name ...string) *DB {
s.do(s.data).addIndex(column, index_name...)
return s
}
func (s *DB) RemoveIndex(column string) *DB {
s.do(s.data).removeIndex(column)
return s
}

7
search.go
View File

@ -3,6 +3,7 @@ package gorm
import "strconv"
type search struct {
db *DB
whereClause []map[string]interface{}
orClause []map[string]interface{}
notClause []map[string]interface{}
@ -12,6 +13,7 @@ type search struct {
selectStr string
offsetStr string
limitStr string
tableName string
unscope bool
}
@ -90,6 +92,11 @@ func (s *search) unscoped() *search {
return s
}
func (s *search) table(name string) *search {
s.tableName = name
return s
}
func getInterfaceAsString(value interface{}) (str string, err error) {
switch value := value.(type) {
case string: