package model import ( "time" "go.uber.org/zap" "gorm.io/gorm" ) type DocumentCategory struct { Id int64 `form:"id" json:"id,omitempty" gorm:"primaryKey;autoIncrement;column:id;comment:;"` DocumentId int64 `form:"document_id" json:"document_id,omitempty" gorm:"column:document_id;type:bigint(20);size:20;default:0;index:document_id;index:idx_doc_cate,unique;comment:文档ID;"` CategoryId int64 `form:"category_id" json:"category_id,omitempty" gorm:"column:category_id;type:bigint(20);size:20;default:0;index:category_id;index:idx_doc_cate,unique;comment:分类ID;"` CreatedAt *time.Time `form:"created_at" json:"created_at,omitempty" gorm:"column:created_at;type:datetime;comment:创建时间;"` UpdatedAt *time.Time `form:"updated_at" json:"updated_at,omitempty" gorm:"column:updated_at;type:datetime;comment:更新时间;"` } // 这里是proto文件中的结构体,可以根据需要删除或者调整 //message DocumentCategory { // int64 id = 1; // int64 document_id = 2; // int64 category_id = 3; // google.protobuf.Timestamp created_at = 4 [ (gogoproto.stdtime) = true ]; // google.protobuf.Timestamp updated_at = 5 [ (gogoproto.stdtime) = true ]; //} func (DocumentCategory) TableName() string { return tablePrefix + "document_category" } // CreateDocumentCategory 创建DocumentCategory // TODO: 创建成功之后,注意相关表统计字段数值的增减 func (m *DBModel) CreateDocumentCategory(documentCategory *DocumentCategory) (err error) { err = m.db.Create(documentCategory).Error if err != nil { m.logger.Error("CreateDocumentCategory", zap.Error(err)) return } return } // UpdateDocumentCategory 更新DocumentCategory,如果需要更新指定字段,则请指定updateFields参数 func (m *DBModel) UpdateDocumentCategory(documentCategory *DocumentCategory, updateFields ...string) (err error) { db := m.db.Model(documentCategory) updateFields = m.FilterValidFields(DocumentCategory{}.TableName(), updateFields...) if len(updateFields) > 0 { // 更新指定字段 db = db.Select(updateFields) } err = db.Where("id = ?", documentCategory.Id).Updates(documentCategory).Error if err != nil { m.logger.Error("UpdateDocumentCategory", zap.Error(err)) } return } // GetDocumentCategory 根据id获取DocumentCategory func (m *DBModel) GetDocumentCategory(id interface{}, fields ...string) (documentCategory DocumentCategory, err error) { db := m.db fields = m.FilterValidFields(DocumentCategory{}.TableName(), fields...) if len(fields) > 0 { db = db.Select(fields) } err = db.Where("id = ?", id).First(&documentCategory).Error return } type OptionGetDocumentCategoryList struct { Page int Size int WithCount bool // 是否返回总数 Ids []interface{} // id列表 SelectFields []string // 查询字段 QueryRange map[string][2]interface{} // map[field][]{min,max} QueryIn map[string][]interface{} // map[field][]{value1,value2,...} QueryLike map[string][]interface{} // map[field][]{value1,value2,...} Sort []string } // GetDocumentCategoryList 获取DocumentCategory列表 func (m *DBModel) GetDocumentCategoryList(opt *OptionGetDocumentCategoryList) (documentCategoryList []DocumentCategory, total int64, err error) { model := &DocumentCategory{} db := m.db.Model(model) db = m.generateQueryIn(db, model.TableName(), opt.QueryIn) if len(opt.Ids) > 0 { db = db.Where("id in (?)", opt.Ids) } if opt.WithCount { err = db.Count(&total).Error if err != nil { m.logger.Error("GetDocumentCategoryList", zap.Error(err)) return } } opt.SelectFields = m.FilterValidFields(model.TableName(), opt.SelectFields...) if len(opt.SelectFields) > 0 { db = db.Select(opt.SelectFields) } db = db.Offset((opt.Page - 1) * opt.Size).Limit(opt.Size) err = db.Find(&documentCategoryList).Error if err != nil && err != gorm.ErrRecordNotFound { m.logger.Error("GetDocumentCategoryList", zap.Error(err)) } return } // DeleteDocumentCategory 删除数据 // TODO: 删除数据之后,存在 document_category_id 的关联表,需要删除对应数据,同时相关表的统计数值,也要随着减少 func (m *DBModel) DeleteDocumentCategory(ids []interface{}) (err error) { err = m.db.Where("id in (?)", ids).Delete(&DocumentCategory{}).Error if err != nil { m.logger.Error("DeleteDocumentCategory", zap.Error(err)) } return }