Files
notarius/internal/framework/pipeline/chunk_validation.go

61 lines
1.9 KiB
Go

package pipeline
import (
"fmt"
"strings"
"gitea.maximumdirect.net/eric/notarius/internal/core/source"
"gitea.maximumdirect.net/eric/notarius/internal/framework/contracts"
)
func validateChunkResult(doc *source.SourceDocument, chunks []contracts.SourceChunk) error {
sourceUnitIndexes := make(map[string]int, len(doc.Units))
for index, unit := range doc.Units {
sourceUnitIndexes[unit.ID] = index
}
seenChunkIDs := make(map[string]struct{}, len(chunks))
for chunkIndex, chunk := range chunks {
if strings.TrimSpace(chunk.ID) == "" {
return fmt.Errorf("chunk[%d].id must not be empty", chunkIndex)
}
if _, ok := seenChunkIDs[chunk.ID]; ok {
return fmt.Errorf("chunk id %q is duplicated", chunk.ID)
}
seenChunkIDs[chunk.ID] = struct{}{}
if chunk.SourceID != doc.ID {
return fmt.Errorf("chunk %q source_id %q does not match source document id %q", chunk.ID, chunk.SourceID, doc.ID)
}
if chunk.Index != chunkIndex {
return fmt.Errorf("chunk %q index %d does not match returned order %d", chunk.ID, chunk.Index, chunkIndex)
}
if len(chunk.Units) == 0 {
return fmt.Errorf("chunk %q units must not be empty", chunk.ID)
}
seenUnitIDs := make(map[string]struct{}, len(chunk.Units))
previousSourceIndex := -1
for unitIndex, unit := range chunk.Units {
if strings.TrimSpace(unit.ID) == "" {
return fmt.Errorf("chunk %q unit[%d].id must not be empty", chunk.ID, unitIndex)
}
if _, ok := seenUnitIDs[unit.ID]; ok {
return fmt.Errorf("chunk %q repeats source unit %q", chunk.ID, unit.ID)
}
seenUnitIDs[unit.ID] = struct{}{}
sourceIndex, ok := sourceUnitIndexes[unit.ID]
if !ok {
return fmt.Errorf("chunk %q source unit %q was not found in source document %q", chunk.ID, unit.ID, doc.ID)
}
if sourceIndex <= previousSourceIndex {
return fmt.Errorf("chunk %q source units must appear in source document order", chunk.ID)
}
previousSourceIndex = sourceIndex
}
}
return nil
}