don't expose db functions

Author: lunny

models/context.go

@@ -4,51 +4,11 @@
 
 package models
 
-import "xorm.io/builder"
-
 // DBContext represents a db context
 type DBContext struct {
 	e Engine
 }
 
-// Insert inserts a object to database
-func (ctx *DBContext) Insert(obj interface{}) error {
-	_, err := ctx.e.Insert(obj)
-	return err
-}
-
-// LoadByID loads record from database according id, if it's not exist return ErrNotExist
-func (ctx *DBContext) LoadByID(id int64, obj interface{}) error {
-	has, err := ctx.e.ID(id).Get(obj)
-	if err != nil {
-		return err
-	} else if !has {
-		return ErrNotExist{ID: id}
-	}
-	return nil
-}
-
-// FindByConditions loads records by conditions
-func (ctx *DBContext) FindByConditions(conds builder.Cond, objs interface{}) error {
-	return ctx.e.Where(conds).Find(objs)
-}
-
-// DeleteByID deletes a object by id
-func (ctx *DBContext) DeleteByID(id int64, obj interface{}) error {
-	_, err := ctx.e.ID(id).NoAutoCondition().Delete(obj)
-	return err
-}
-
-// UpdateByID updates a record
-func (ctx *DBContext) UpdateByID(id int64, obj interface{}, cols ...string) error {
-	sess := ctx.e.ID(id)
-	if len(cols) > 0 {
-		sess.Cols(cols...)
-	}
-	_, err := sess.Update(obj)
-	return err
-}
-
 // WithContext represents executing database operations
 func WithContext(f func(ctx DBContext) error) error {
 	return f(DBContext{x})