forked from mirror/gorm
159 lines
3.1 KiB
Go
159 lines
3.1 KiB
Go
package gorm
|
|
|
|
import (
|
|
"database/sql"
|
|
"errors"
|
|
|
|
"strconv"
|
|
)
|
|
|
|
type Orm struct {
|
|
TableName string
|
|
PrimaryKey string
|
|
SqlResult sql.Result
|
|
Error error
|
|
Sql string
|
|
SqlVars []interface{}
|
|
model *Model
|
|
|
|
db *sql.DB
|
|
driver string
|
|
whereClause []map[string]interface{}
|
|
selectStr string
|
|
orderStrs []string
|
|
offsetStr string
|
|
limitStr string
|
|
operation string
|
|
}
|
|
|
|
func (s *Orm) Model(model interface{}) *Orm {
|
|
s.model = s.toModel(model)
|
|
s.TableName = s.model.TableName()
|
|
s.PrimaryKey = s.model.PrimaryKeyDb()
|
|
return s
|
|
}
|
|
|
|
func (s *Orm) Where(querystring interface{}, args ...interface{}) *Orm {
|
|
s.whereClause = append(s.whereClause, map[string]interface{}{"query": querystring, "args": args})
|
|
return s
|
|
}
|
|
|
|
func (s *Orm) Limit(value interface{}) *Orm {
|
|
switch value := value.(type) {
|
|
case string:
|
|
s.limitStr = value
|
|
case int:
|
|
if value < 0 {
|
|
s.limitStr = ""
|
|
} else {
|
|
s.limitStr = strconv.Itoa(value)
|
|
}
|
|
default:
|
|
s.Error = errors.New("Can' understand the value of Limit, Should be int")
|
|
}
|
|
return s
|
|
}
|
|
|
|
func (s *Orm) Offset(value interface{}) *Orm {
|
|
switch value := value.(type) {
|
|
case string:
|
|
s.offsetStr = value
|
|
case int:
|
|
if value < 0 {
|
|
s.offsetStr = ""
|
|
} else {
|
|
s.offsetStr = strconv.Itoa(value)
|
|
}
|
|
default:
|
|
s.Error = errors.New("Can' understand the value of Offset, Should be int")
|
|
}
|
|
return s
|
|
}
|
|
|
|
func (s *Orm) Order(value string, reorder ...bool) *Orm {
|
|
defer s.validSql(value)
|
|
if len(reorder) > 0 && reorder[0] {
|
|
s.orderStrs = append([]string{}, value)
|
|
} else {
|
|
s.orderStrs = append(s.orderStrs, value)
|
|
}
|
|
return s
|
|
}
|
|
|
|
func (s *Orm) Count() int64 {
|
|
return 0
|
|
}
|
|
|
|
func (s *Orm) Select(value interface{}) *Orm {
|
|
defer func() { s.validSql(s.selectStr) }()
|
|
|
|
switch value := value.(type) {
|
|
case string:
|
|
s.selectStr = value
|
|
default:
|
|
s.Error = errors.New("Can' understand the value of Select, Should be string")
|
|
}
|
|
|
|
return s
|
|
}
|
|
|
|
func (s *Orm) Save(value interface{}) *Orm {
|
|
s.Model(value)
|
|
if s.model.PrimaryKeyIsEmpty() {
|
|
s.explain(value, "Create").create(value)
|
|
} else {
|
|
s.explain(value, "Update").update(value)
|
|
}
|
|
return s
|
|
}
|
|
|
|
func (s *Orm) Delete(value interface{}) *Orm {
|
|
s.explain(value, "Delete").Exec()
|
|
return s
|
|
}
|
|
|
|
func (s *Orm) Update(column string, value string) *Orm {
|
|
return s
|
|
}
|
|
|
|
func (s *Orm) Updates(values map[string]string) *Orm {
|
|
return s
|
|
}
|
|
|
|
func (s *Orm) Exec(sql ...string) *Orm {
|
|
if len(sql) == 0 {
|
|
s.SqlResult, s.Error = s.db.Exec(s.Sql, s.SqlVars...)
|
|
} else {
|
|
s.SqlResult, s.Error = s.db.Exec(sql[0])
|
|
}
|
|
return s
|
|
}
|
|
|
|
func (s *Orm) First(out interface{}) *Orm {
|
|
s.explain(out, "Query").query(out)
|
|
return s
|
|
}
|
|
|
|
func (s *Orm) Find(out interface{}) *Orm {
|
|
s.explain(out, "Query").query(out)
|
|
return s
|
|
}
|
|
|
|
func (s *Orm) Pluck(column string, value interface{}) (orm *Orm) {
|
|
s.Select(column).explain(s.model.Data, "Query").pluck(value)
|
|
return s
|
|
}
|
|
|
|
func (s *Orm) Or(querystring interface{}, args ...interface{}) *Orm {
|
|
return s
|
|
}
|
|
|
|
func (s *Orm) Not(querystring interface{}, args ...interface{}) *Orm {
|
|
return s
|
|
}
|
|
|
|
func (s *Orm) CreateTable(value interface{}) *Orm {
|
|
s.explain(value, "CreateTable").Exec()
|
|
return s
|
|
}
|