88 lines
3.2 KiB
Go
88 lines
3.2 KiB
Go
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/*
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Copyright 2020 The Qmgo Authors.
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Licensed under the Apache License, Version 2.0 (the "License");
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you may not use this file except in compliance with the License.
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You may obtain a copy of the License at
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http://www.apache.org/licenses/LICENSE-2.0
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Unless required by applicable law or agreed to in writing, software
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distributed under the License is distributed on an "AS IS" BASIS,
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WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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See the License for the specific language governing permissions and
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limitations under the License.
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*/
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package qmgo
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import (
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"context"
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"github.com/qiniu/qmgo/options"
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"go.mongodb.org/mongo-driver/bson/bsoncodec"
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"go.mongodb.org/mongo-driver/mongo"
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officialOpts "go.mongodb.org/mongo-driver/mongo/options"
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)
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// Database is a handle to a MongoDB database
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type Database struct {
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database *mongo.Database
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registry *bsoncodec.Registry
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}
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// Collection gets collection from database
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func (d *Database) Collection(name string, opts ...*options.CollectionOptions) *Collection {
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var cp *mongo.Collection
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var opt = make([]*officialOpts.CollectionOptions, 0, len(opts))
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for _, o := range opts {
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opt = append(opt, o.CollectionOptions)
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}
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collOpt := officialOpts.MergeCollectionOptions(opt...)
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cp = d.database.Collection(name, collOpt)
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return &Collection{
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collection: cp,
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registry: d.registry,
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}
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}
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// GetDatabaseName returns the name of database
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func (d *Database) GetDatabaseName() string {
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return d.database.Name()
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}
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// DropDatabase drops database
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func (d *Database) DropDatabase(ctx context.Context) error {
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return d.database.Drop(ctx)
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}
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// RunCommand executes the given command against the database.
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//
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// The runCommand parameter must be a document for the command to be executed. It cannot be nil.
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// This must be an order-preserving type such as bson.D. Map types such as bson.M are not valid.
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// If the command document contains a session ID or any transaction-specific fields, the behavior is undefined.
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//
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// The opts parameter can be used to specify options for this operation (see the options.RunCmdOptions documentation).
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func (d *Database) RunCommand(ctx context.Context, runCommand interface{}, opts ...options.RunCommandOptions) *mongo.SingleResult {
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option := officialOpts.RunCmd()
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if len(opts) > 0 && opts[0].RunCmdOptions != nil {
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option = opts[0].RunCmdOptions
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}
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return d.database.RunCommand(ctx, runCommand, option)
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}
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// CreateCollection executes a create command to explicitly create a new collection with the specified name on the
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// server. If the collection being created already exists, this method will return a mongo.CommandError. This method
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// requires driver version 1.4.0 or higher.
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//
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// The opts parameter can be used to specify options for the operation (see the options.CreateCollectionOptions
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// documentation).
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func (db *Database) CreateCollection(ctx context.Context, name string, opts ...options.CreateCollectionOptions) error {
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var option = make([]*officialOpts.CreateCollectionOptions, 0, len(opts))
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for _, opt := range opts {
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if opt.CreateCollectionOptions != nil {
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option = append(option, opt.CreateCollectionOptions)
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}
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}
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return db.database.CreateCollection(ctx, name, option...)
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}
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