76 lines
1.8 KiB
Go
76 lines
1.8 KiB
Go
package mongo
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import (
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"context"
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"log"
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"go.mongodb.org/mongo-driver/v2/mongo"
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"go.mongodb.org/mongo-driver/v2/mongo/options"
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"go.mongodb.org/mongo-driver/v2/bson"
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)
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// CreateIndexes will create indexes for the given collection and definition.
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func (c *MongoClient) CreateIndexes(collection *mongo.Collection, cdef *CollectionDefinition) {
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if cdef == nil {
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log.Printf("No definitions will not create indexes")
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return
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}
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// handle indexes
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indexModels := make([]mongo.IndexModel, 0)
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for _, keyDef := range cdef.IndexSpecs {
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log.Printf("Key Definition %s", keyDef["name"])
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kdb, err := bson.Marshal(keyDef)
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if err != nil {
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log.Printf("failed to marshal %v", err)
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continue
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}
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kdRaw := bson.Raw(kdb)
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if err := kdRaw.Validate(); err != nil {
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log.Printf("failed to validate bson raw: %v", err)
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continue
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}
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//
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idxModel := mongo.IndexModel{}
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opts := options.Index()
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keysVal := kdRaw.Lookup("keys")
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var keysBson bson.D
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if err := bson.Unmarshal(keysVal.Value, &keysBson); err != nil {
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log.Printf("failed to unmarshal keys value %v", err)
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continue
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}
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idxModel.Keys = keysBson
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nameVal := kdRaw.Lookup("name")
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if name, ok := nameVal.StringValueOK(); ok {
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opts = opts.SetName(name)
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}
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uniqueVal := kdRaw.Lookup("unique")
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if unique, ok := uniqueVal.BooleanOK(); ok {
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opts = opts.SetUnique(unique)
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}
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partialVal := kdRaw.Lookup("partialFilterExpression")
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if partialFilterExpression, ok := partialVal.BooleanOK(); ok {
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opts = opts.SetPartialFilterExpression(partialFilterExpression)
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}
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idxModel.Options = opts
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indexModels = append(indexModels, idxModel)
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}
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collection.Indexes().CreateMany(context.Background(), indexModels)
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}
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