schema.go
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package models
import (
"pro2d/common/components"
"pro2d/common/db/mongoproxy"
"pro2d/common/logger"
"reflect"
"strings"
)
type SchemaOption func(schema *Schema)
func WithSchemaDB(idb components.IDB) SchemaOption {
return func(schema *Schema) {
schema.db = idb
}
}
type SchemaMap map[string]components.ISchema
type Schema struct {
db components.IDB
reflectValue *reflect.Value
reflectType reflect.Type
cacheFields map[string]interface{}
pri interface{}
schema interface{}
}
func NewSchema(key string, schema interface{}) *Schema {
s := reflect.ValueOf(schema)
if s.Kind() == reflect.Ptr {
s = reflect.ValueOf(schema).Elem()
}
sch := &Schema{
reflectValue: &s,
reflectType: s.Type(),
cacheFields: make(map[string]interface{}),
schema: schema,
}
sch.db = mongoproxy.NewMongoColl(sch.GetSchemaName(), sch)
sch.pri = mongoproxy.GetBsonD(sch.getPriTag(), key)
return sch
}
func (s *Schema) FindIndex() (string, []string) {
var index []string
for i := 0; i < s.reflectType.NumField(); i++ {
if s.reflectType.Field(i).Tag.Get("index") != "" {
js := strings.Split(s.reflectType.Field(i).Tag.Get("json"), ",")
if len(js) == 0 {
continue
}
index = append(index, js[0])
}
}
return strings.ToLower(s.reflectType.Name()), index
}
func (s *Schema) Init() {
coll, keys := s.FindIndex()
for _, index := range keys {
s.db.CreateTable()
logger.Debug("InitDoc collect: %v, createIndex: %s", coll, index)
res, err := s.db.SetUnique(index)
if err != nil {
logger.Error("InitDoc unique: %s, err: %v", res, err)
continue
}
}
}
func (s *Schema) GetDB() components.IDB {
return s.db
}
func (s *Schema) GetPri() interface{} {
return s.pri
}
func (s *Schema) GetSchema() interface{} {
return s.schema
}
func (s *Schema) GetSchemaName() string {
return strings.ToLower(s.reflectType.Name())
}
func (s *Schema) Load() error {
return s.db.Load()
}
func (s *Schema) Create() error {
_, err := s.db.Create()
return err
}
func (s *Schema) Save() error {
return s.db.Save()
}
func (s *Schema) Update() {
if s.cacheFields != nil {
s.db.UpdateProperties(s.cacheFields)
s.cacheFields = make(map[string]interface{})
}
}
func (s *Schema) SetProperty(key string, val interface{}) {
s.reflectValue.FieldByName(key).Set(reflect.ValueOf(val))
s.cacheFields[strings.ToLower(key)] = val
}
func (s *Schema) SetProperties(properties map[string]interface{}) {
for key, val := range properties {
s.reflectValue.FieldByName(key).Set(reflect.ValueOf(val))
s.cacheFields[strings.ToLower(key)] = val
}
}
func (s *Schema) getPriTag() string {
var pri string
for i := 0; i < s.reflectType.NumField(); i++ {
if s.reflectType.Field(i).Tag.Get("pri") == "1" {
pri = strings.ToLower(s.reflectType.Field(i).Name)
break
}
}
return pri
}