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1 Commits
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1fbae343a4
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@@ -1,57 +0,0 @@
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package mongoext
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import (
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"context"
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"go.mongodb.org/mongo-driver/mongo"
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"gogs.mikescher.com/BlackForestBytes/goext/rfctime"
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"inopart/backend/common/cursortoken"
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"inopart/backend/models"
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)
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func HandleMongoCursorWithToken[T models.Entity](ctx context.Context, cursor *mongo.Cursor, pageSize *int) ([]T, string, error) {
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var tokenStr string
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var docs []T
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numDocs := cursor.RemainingBatchLength()
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if pageSize == nil || (numDocs <= *pageSize) && numDocs > 0 {
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docs = make([]T, numDocs)
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err := cursor.All(ctx, &docs)
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if err != nil {
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return []T{}, "", err
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}
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} else if numDocs == *pageSize+1 {
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docs = make([]T, numDocs-1)
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for i := 0; i < numDocs-1; i++ {
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cursor.Next(ctx)
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err := cursor.Decode(&docs[i])
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if err != nil {
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return []T{}, "", err
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}
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}
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var nextPageDoc T
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cursor.Next(ctx)
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err := cursor.Decode(&nextPageDoc)
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if err != nil {
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return []T{}, "", err
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}
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nextPageToken := cursortoken.CursorToken{
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Timestamp: rfctime.RFC3339NanoTime{},
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Id: nextPageDoc.GetId(),
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Offset: 0,
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PageSize: *pageSize,
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}
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tokenStr, err = nextPageToken.Token()
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if err != nil {
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return nil, "", err
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}
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}
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return docs, tokenStr, nil
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}
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@@ -81,7 +81,7 @@ func (t *RFC3339Time) UnmarshalBSONValue(bt bsontype.Type, data []byte) error {
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return errors.New(fmt.Sprintf("cannot unmarshal %v into RFC3339Time", bt))
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}
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var tt time.Time
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err := bson.Unmarshal(data, &tt)
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err := bson.RawValue{Type: bt, Value: data}.Unmarshal(&tt)
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if err != nil {
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return err
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}
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@@ -116,6 +116,12 @@ func (t RFC3339Time) DecodeValue(dc bsoncodec.DecodeContext, vr bsonrw.ValueRead
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return err
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}
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if val.Kind() == reflect.Ptr {
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val.Set(reflect.ValueOf(&t))
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} else {
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val.Set(reflect.ValueOf(t))
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}
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return nil
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}
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