/
database.go
97 lines (73 loc) · 2.83 KB
/
database.go
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package bridges
import (
"context"
"fmt"
"github.com/shivanshkc/rosenbridge/src/core"
"github.com/shivanshkc/rosenbridge/src/mongodb"
"go.mongodb.org/mongo-driver/bson"
"go.mongodb.org/mongo-driver/mongo"
)
// Database implements the core.BridgeDatabase interface using MongoDB.
type Database struct{}
// NewDatabase is a constructor for *Database.
func NewDatabase() *Database {
return &Database{}
}
func (d *Database) InsertBridge(ctx context.Context, doc *core.BridgeDoc) error {
callCtx, cancelFunc := mongodb.GetTimeoutContext(ctx)
defer cancelFunc()
// Database call.
if _, err := mongodb.GetBridgesColl().InsertOne(callCtx, doc); err != nil {
return fmt.Errorf("error in GetBridgesColl().InsertOne call: %w", err)
}
return nil
}
func (d *Database) GetBridgesByClientIDs(ctx context.Context, clientIDs []string) ([]*core.BridgeDoc, error) {
callCtx, cancelFunc := mongodb.GetTimeoutContext(ctx)
defer cancelFunc()
// Creating the required filter.
filter := bson.M{"client_id": bson.M{"$in": clientIDs}}
// Database call.
cursor, err := mongodb.GetBridgesColl().Find(callCtx, filter)
if err != nil {
return nil, fmt.Errorf("error in GetBridgesColl().Find call: %w", err)
}
// Getting documents from the cursor into the slice.
var docs []*core.BridgeDoc
if err := cursor.All(ctx, &docs); err != nil {
return nil, fmt.Errorf("error in cursor.All call: %w", err)
}
return docs, nil
}
func (d *Database) DeleteBridgeForNode(ctx context.Context, bridgeID string, nodeAddr string) error {
callCtx, cancelFunc := mongodb.GetTimeoutContext(ctx)
defer cancelFunc()
// Creating the required filter.
filter := bson.M{"bridge_id": bridgeID, "node_addr": nodeAddr}
// Database call.
if _, err := mongodb.GetBridgesColl().DeleteOne(callCtx, filter); err != nil {
return fmt.Errorf("error in GetBridgesColl().DeleteOne call: %w", err)
}
return nil
}
func (d *Database) DeleteBridgesForNode(ctx context.Context, bridgeIDs []string, nodeAddr string) error {
callCtx, cancelFunc := mongodb.GetTimeoutContext(ctx)
defer cancelFunc()
// Creating the required filter. Note that these conditions use the '&&' operator.
filter := bson.M{"node_addr": nodeAddr, "bridge_id": bson.M{"$in": bridgeIDs}}
// Database call.
if _, err := mongodb.GetBridgesColl().DeleteMany(callCtx, filter); err != nil {
return fmt.Errorf("error in GetBridgesColl().DeleteMany call: %w", err)
}
return nil
}
// CreateIndexes creates indexes as per the provided data on the "bridges" collection/table.
func (d *Database) CreateIndexes(ctx context.Context, indexData []mongo.IndexModel) error {
callCtx, cancelFunc := mongodb.GetTimeoutContext(ctx)
defer cancelFunc()
// Creating the index.
if _, err := mongodb.GetBridgesColl().Indexes().CreateMany(callCtx, indexData); err != nil {
return fmt.Errorf("mongodb Indexes.CreateMany error: %w", err)
}
return nil
}