gorm/orm.go

133 lines
2.6 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{}
db *sql.DB
whereClause []map[string]interface{}
selectStr string
orderStr string
offsetInt int
limitInt int
operation string
}
func (s *Orm) setModel(model interface{}) (err error) {
s.TableName = interfaceToTableName(model)
s.PrimaryKey = "id"
return
}
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.limitInt, _ = strconv.Atoi(value)
case int:
s.limitInt = 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.offsetInt, _ = strconv.Atoi(value)
case int:
s.offsetInt = value
default:
s.Error = errors.New("Can' understand the value of Offset, Should be int")
}
return s
}
func (s *Orm) Order(value interface{}) *Orm {
switch value := value.(type) {
case string:
s.orderStr = value
default:
s.Error = errors.New("Can' understand the value of Order, Should be string")
}
return s
}
func (s *Orm) Count() int64 {
return 0
}
func (s *Orm) Select(value interface{}) *Orm {
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.explain(value, "Save").Exec()
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) 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 {
return s
}