/
b_role.go
211 lines (185 loc) · 5.06 KB
/
b_role.go
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package bll
import (
"context"
"github.com/LyricTian/gin-admin/v7/internal/app/model/gormx/model"
"github.com/LyricTian/gin-admin/v7/internal/app/schema"
"github.com/LyricTian/gin-admin/v7/pkg/errors"
"github.com/LyricTian/gin-admin/v7/pkg/util/uuid"
"github.com/casbin/casbin/v2"
"github.com/google/wire"
)
// RoleSet 注入Role
var RoleSet = wire.NewSet(wire.Struct(new(Role), "*"))
// Role 角色管理
type Role struct {
Enforcer *casbin.SyncedEnforcer
TransModel *model.Trans
RoleModel *model.Role
RoleMenuModel *model.RoleMenu
UserModel *model.User
}
// Query 查询数据
func (a *Role) Query(ctx context.Context, params schema.RoleQueryParam, opts ...schema.RoleQueryOptions) (*schema.RoleQueryResult, error) {
return a.RoleModel.Query(ctx, params, opts...)
}
// Get 查询指定数据
func (a *Role) Get(ctx context.Context, id string, opts ...schema.RoleQueryOptions) (*schema.Role, error) {
item, err := a.RoleModel.Get(ctx, id, opts...)
if err != nil {
return nil, err
} else if item == nil {
return nil, errors.ErrNotFound
}
roleMenus, err := a.QueryRoleMenus(ctx, id)
if err != nil {
return nil, err
}
item.RoleMenus = roleMenus
return item, nil
}
// QueryRoleMenus 查询角色菜单列表
func (a *Role) QueryRoleMenus(ctx context.Context, roleID string) (schema.RoleMenus, error) {
result, err := a.RoleMenuModel.Query(ctx, schema.RoleMenuQueryParam{
RoleID: roleID,
})
if err != nil {
return nil, err
}
return result.Data, nil
}
// Create 创建数据
func (a *Role) Create(ctx context.Context, item schema.Role) (*schema.IDResult, error) {
err := a.checkName(ctx, item)
if err != nil {
return nil, err
}
item.ID = uuid.MustString()
err = a.TransModel.Exec(ctx, func(ctx context.Context) error {
for _, rmItem := range item.RoleMenus {
rmItem.ID = uuid.MustString()
rmItem.RoleID = item.ID
err := a.RoleMenuModel.Create(ctx, *rmItem)
if err != nil {
return err
}
}
return a.RoleModel.Create(ctx, item)
})
if err != nil {
return nil, err
}
LoadCasbinPolicy(ctx, a.Enforcer)
return schema.NewIDResult(item.ID), nil
}
func (a *Role) checkName(ctx context.Context, item schema.Role) error {
result, err := a.RoleModel.Query(ctx, schema.RoleQueryParam{
PaginationParam: schema.PaginationParam{OnlyCount: true},
Name: item.Name,
})
if err != nil {
return err
} else if result.PageResult.Total > 0 {
return errors.New400Response("角色名称已经存在")
}
return nil
}
// Update 更新数据
func (a *Role) Update(ctx context.Context, id string, item schema.Role) error {
oldItem, err := a.Get(ctx, id)
if err != nil {
return err
} else if oldItem == nil {
return errors.ErrNotFound
} else if oldItem.Name != item.Name {
err := a.checkName(ctx, item)
if err != nil {
return err
}
}
item.ID = oldItem.ID
item.Creator = oldItem.Creator
item.CreatedAt = oldItem.CreatedAt
err = a.TransModel.Exec(ctx, func(ctx context.Context) error {
addRoleMenus, delRoleMenus := a.compareRoleMenus(ctx, oldItem.RoleMenus, item.RoleMenus)
for _, rmitem := range addRoleMenus {
rmitem.ID = uuid.MustString()
rmitem.RoleID = id
err := a.RoleMenuModel.Create(ctx, *rmitem)
if err != nil {
return err
}
}
for _, rmitem := range delRoleMenus {
err := a.RoleMenuModel.Delete(ctx, rmitem.ID)
if err != nil {
return err
}
}
return a.RoleModel.Update(ctx, id, item)
})
if err != nil {
return err
}
LoadCasbinPolicy(ctx, a.Enforcer)
return nil
}
func (a *Role) compareRoleMenus(ctx context.Context, oldRoleMenus, newRoleMenus schema.RoleMenus) (addList, delList schema.RoleMenus) {
mOldRoleMenus := oldRoleMenus.ToMap()
mNewRoleMenus := newRoleMenus.ToMap()
for k, item := range mNewRoleMenus {
if _, ok := mOldRoleMenus[k]; ok {
delete(mOldRoleMenus, k)
continue
}
addList = append(addList, item)
}
for _, item := range mOldRoleMenus {
delList = append(delList, item)
}
return
}
// Delete 删除数据
func (a *Role) Delete(ctx context.Context, id string) error {
oldItem, err := a.RoleModel.Get(ctx, id)
if err != nil {
return err
} else if oldItem == nil {
return errors.ErrNotFound
}
userResult, err := a.UserModel.Query(ctx, schema.UserQueryParam{
PaginationParam: schema.PaginationParam{OnlyCount: true},
RoleIDs: []string{id},
})
if err != nil {
return err
} else if userResult.PageResult.Total > 0 {
return errors.New400Response("该角色已被赋予用户,不允许删除")
}
err = a.TransModel.Exec(ctx, func(ctx context.Context) error {
err := a.RoleMenuModel.DeleteByRoleID(ctx, id)
if err != nil {
return err
}
return a.RoleModel.Delete(ctx, id)
})
if err != nil {
return err
}
LoadCasbinPolicy(ctx, a.Enforcer)
return nil
}
// UpdateStatus 更新状态
func (a *Role) UpdateStatus(ctx context.Context, id string, status int) error {
oldItem, err := a.RoleModel.Get(ctx, id)
if err != nil {
return err
} else if oldItem == nil {
return errors.ErrNotFound
}
err = a.RoleModel.UpdateStatus(ctx, id, status)
if err != nil {
return err
}
LoadCasbinPolicy(ctx, a.Enforcer)
return nil
}