765431a4
 zhangqijia
增加schema接口， 抽象 mo...
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import (
"context"
"fmt"
"go.mongodb.org/mongo-driver/bson"
"go.mongodb.org/mongo-driver/mongo"
"go.mongodb.org/mongo-driver/mongo/options"
"go.mongodb.org/mongo-driver/x/bsonx"
"pro2d/common/components"
"sort"
"strings"
)
var (
mongoClient *mongo.Client
mongoDatabase *mongo.Database
)
type MgoColl struct {
components.IDB
Schema components.ISchema
dbname string
coll *mongo.Collection
}
func NewMongoColl(dbname string, schema components.ISchema) *MgoColl {
m := &MgoColl{
dbname: dbname,
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765431a4
zhangqijia
增加schema接口， 抽象 mo...
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Schema: schema,
}
return m
}
func (m *MgoColl) CreateTable() error {
colls, _ := DB().ListCollectionNames(context.TODO(), bson.D{})
pos := sort.SearchStrings(colls, m.dbname)
if pos != len(colls) {
if m.dbname == colls[pos] {
return DB().CreateCollection(context.TODO(), m.dbname)
}
}
return DB().CreateCollection(context.TODO(), m.dbname)
}
func (m *MgoColl) Create() (interface{}, error){
return m.coll.InsertOne(context.TODO(), m.Schema.GetSchema())
}
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765431a4
zhangqijia
增加schema接口， 抽象 mo...
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func (m *MgoColl) Load() error{
r := m.coll.FindOne(context.TODO(), m.Schema.GetPri())
err := r.Decode(m.Schema.GetSchema())
if err != nil {
return err
}
return nil
}
// 查询单个
func (m *MgoColl) FindOne() error {
singleResult := m.coll.FindOne(context.TODO(), m.Schema.GetPri())
return singleResult.Decode(m.Schema.GetSchema())
}
func (m *MgoColl) UpdateOne(filter interface{}, update interface{})*mongo.UpdateResult {
res, err := m.coll.UpdateOne(context.TODO(), filter, bson.D{{"$set", update}})
if err != nil {
return nil
}
return res
}
func (m *MgoColl) UpdateProperty(key string, val interface{}) error {
_, err := m.coll.UpdateOne(context.TODO(), m.Schema.GetPri(), bson.D{{"$set", bson.M{strings.ToLower(key): val}}})
return err
}
func (m *MgoColl) UpdateProperties(properties map[string]interface{}) error {
_, err := m.coll.UpdateOne(context.TODO(), m.Schema.GetPri(), properties)
return err
}
//索引
func (m *MgoColl) SetUnique(key string) (string, error){
return m.coll.Indexes().CreateOne(
context.Background(),
mongo.IndexModel{
Keys : bsonx.Doc{{key, bsonx.Int32(1)}},
Options: options.Index().SetUnique(true),
},
)
}
func (m *MgoColl) Delete(key string, value interface{}) int64 {
filter := bson.D{ {key, value}}
count, err := m.coll.DeleteOne(context.TODO(), filter, nil)
if err != nil {
fmt.Println(err)
}
return count.DeletedCount
}
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