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// Copyright (C) MongoDB, Inc. 2017-present.
//
// Licensed under the Apache License, Version 2.0 (the "License"); you may
// not use this file except in compliance with the License. You may obtain
// a copy of the License at http://www.apache.org/licenses/LICENSE-2.0
package unified
import (
"fmt"
"go.mongodb.org/mongo-driver/bson"
"go.mongodb.org/mongo-driver/bson/bsontype"
testhelpers "go.mongodb.org/mongo-driver/internal/testutil/helpers"
"go.mongodb.org/mongo-driver/mongo/options"
)
// newMissingArgumentError creates an error to convey that an argument that is required to run an operation is missing
// from the operation's arguments document.
func newMissingArgumentError(arg string) error {
return fmt.Errorf("operation arguments document is missing required field %q", arg)
}
type updateArguments struct {
filter bson.Raw
update interface{}
opts *options.UpdateOptions
}
func createUpdateArguments(args bson.Raw) (*updateArguments, error) {
ua := &updateArguments{
opts: options.Update(),
}
var err error
elems, _ := args.Elements()
for _, elem := range elems {
key := elem.Key()
val := elem.Value()
switch key {
case "arrayFilters":
ua.opts.SetArrayFilters(options.ArrayFilters{
Filters: testhelpers.RawToInterfaceSlice(val.Array()),
})
case "bypassDocumentValidation":
ua.opts.SetBypassDocumentValidation(val.Boolean())
case "collation":
collation, err := createCollation(val.Document())
if err != nil {
return nil, fmt.Errorf("error creating collation: %v", err)
}
ua.opts.SetCollation(collation)
case "filter":
ua.filter = val.Document()
case "hint":
hint, err := createHint(val)
if err != nil {
return nil, fmt.Errorf("error creating hint: %v", err)
}
ua.opts.SetHint(hint)
case "update":
ua.update, err = createUpdateValue(val)
if err != nil {
return nil, fmt.Errorf("error processing update value: %v", err)
}
case "upsert":
ua.opts.SetUpsert(val.Boolean())
default:
return nil, fmt.Errorf("unrecognized update option %q", key)
}
}
if ua.filter == nil {
return nil, newMissingArgumentError("filter")
}
if ua.update == nil {
return nil, newMissingArgumentError("update")
}
return ua, nil
}
type listCollectionsArguments struct {
filter bson.Raw
opts *options.ListCollectionsOptions
}
func createListCollectionsArguments(args bson.Raw) (*listCollectionsArguments, error) {
lca := &listCollectionsArguments{
opts: options.ListCollections(),
}
lca.filter = emptyDocument
elems, _ := args.Elements()
for _, elem := range elems {
key := elem.Key()
val := elem.Value()
switch key {
case "batchSize":
lca.opts.SetBatchSize(val.Int32())
case "filter":
lca.filter = val.Document()
case "nameOnly":
lca.opts.SetNameOnly(val.Boolean())
default:
return nil, fmt.Errorf("unrecognized listCollections option %q", key)
}
}
return lca, nil
}
func createCollation(args bson.Raw) (*options.Collation, error) {
var collation options.Collation
elems, _ := args.Elements()
for _, elem := range elems {
switch elem.Key() {
case "locale":
collation.Locale = elem.Value().StringValue()
case "caseLevel":
collation.CaseLevel = elem.Value().Boolean()
case "caseFirst":
collation.CaseFirst = elem.Value().StringValue()
case "strength":
collation.Strength = int(elem.Value().Int32())
case "numericOrdering":
collation.NumericOrdering = elem.Value().Boolean()
case "alternate":
collation.Alternate = elem.Value().StringValue()
case "maxVariable":
collation.MaxVariable = elem.Value().StringValue()
case "normalization":
collation.Normalization = elem.Value().Boolean()
case "backwards":
collation.Backwards = elem.Value().Boolean()
default:
return nil, fmt.Errorf("unrecognized collation option %q", elem.Key())
}
}
return &collation, nil
}
func createHint(val bson.RawValue) (interface{}, error) {
var hint interface{}
switch val.Type {
case bsontype.String:
hint = val.StringValue()
case bsontype.EmbeddedDocument:
hint = val.Document()
default:
return nil, fmt.Errorf("unrecognized hint value type %s", val.Type)
}
return hint, nil
}
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