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package mongodb
import (
"context"
"fmt"
"net/url"
"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/mongo/driver/connstring"
"code.crute.us/mcrute/golib/vault"
)
// AnyInTopLevelArray is just a convenience method so apps don't have to repeat
// this ugly bson expression.
func AnyInTopLevelArray(k string, v interface{}) bson.M {
return bson.M{k: bson.M{"$all": bson.A{v}}}
}
type Mongo struct {
client *mongo.Client
db *mongo.Database
}
func Connect(ctx context.Context, uri, materialSet string) (*Mongo, error) {
db := &Mongo{}
cred, err := vault.GetVaultDatabase(materialSet)
if err != nil {
return nil, err
}
u, err := url.Parse(uri)
if err != nil {
return nil, err
}
u.User = url.UserPassword(cred.Username, cred.Password)
cs, err := connstring.ParseAndValidate(u.String())
if err != nil {
return nil, err
}
client, err := mongo.Connect(ctx, options.Client().ApplyURI(u.String()))
if err != nil {
return nil, err
}
db.client = client
db.db = client.Database(cs.Database)
return db, nil
}
func (m *Mongo) Collection(name string) *mongo.Collection {
return m.db.Collection(name)
}
func (m *Mongo) FindAllByFilter(ctx context.Context, cn string, filter interface{}, out interface{}) error {
res, err := m.db.Collection(cn).Find(ctx, filter)
if err != nil {
return err
}
if err = res.All(ctx, out); err != nil {
return err
}
return nil
}
func (m *Mongo) FindAll(ctx context.Context, cn string, out interface{}) error {
return m.FindAllByFilter(ctx, cn, bson.D{}, out)
}
func (m *Mongo) FindOneById(ctx context.Context, cn string, id string, out interface{}) error {
if err := m.db.Collection(cn).FindOne(ctx, bson.M{"_id": id}).Decode(out); err != nil {
return err
}
return nil
}
func (m *Mongo) InsertOne(ctx context.Context, cn string, in interface{}) error {
_, err := m.db.Collection(cn).InsertOne(ctx, in)
if err != nil {
return err
}
return nil
}
func (m *Mongo) ReplaceOneById(ctx context.Context, cn string, id string, in interface{}) error {
tp := true
opts := &options.ReplaceOptions{Upsert: &tp}
if _, err := m.db.Collection(cn).ReplaceOne(ctx, bson.M{"_id": id}, in, opts); err != nil {
return err
}
return nil
}
func (m *Mongo) DeleteOneById(ctx context.Context, cn string, id string) error {
dr, err := m.db.Collection(cn).DeleteOne(ctx, bson.M{"_id": id})
if err != nil {
return err
}
if dr.DeletedCount != 1 {
return fmt.Errorf("Invalid deletion record count %d not 1", dr.DeletedCount)
}
return nil
}
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