| | | 1 | | using ValidateLib.ErrorsAndWarnings.Warnings; |
| | | 2 | | using ValidateLib.Metadata.Descriptors; |
| | | 3 | | |
| | | 4 | | namespace ValidateLib.Metadata.Validators |
| | | 5 | | { |
| | | 6 | | public class PrimaryKeyValidator : IMValidator<SchemaDescriptor> |
| | | 7 | | { |
| | | 8 | | public List<Warning> Validate(SchemaDescriptor schemaDescriptor) |
| | | 9 | | { |
| | 1 | 10 | | List<Warning> warnings = new List<Warning>(); |
| | 1 | 11 | | if (schemaDescriptor.primaryKey is not null) |
| | | 12 | | { |
| | 1 | 13 | | var primaryKeyDescriptor = schemaDescriptor.primaryKey._value; |
| | 1 | 14 | | bool validPrimaryKeyDescriptor = true; |
| | 1 | 15 | | string? nonExistingColumnName = null; |
| | 1 | 16 | | foreach (var primaryKeyColumnName in primaryKeyDescriptor!) |
| | | 17 | | { |
| | 1 | 18 | | if (!DoesReferencedColumnExist(schemaDescriptor, primaryKeyColumnName)) |
| | | 19 | | { |
| | 1 | 20 | | validPrimaryKeyDescriptor = false; |
| | 1 | 21 | | nonExistingColumnName = primaryKeyColumnName; |
| | | 22 | | } |
| | | 23 | | } |
| | 1 | 24 | | if (!validPrimaryKeyDescriptor) |
| | | 25 | | { |
| | 1 | 26 | | warnings.Add(WarningFactory.GetReferencedCOlumnDoesNotExistWarning("primaryKey", nonExistingColumnNa |
| | 1 | 27 | | schemaDescriptor.primaryKey = null; |
| | | 28 | | } |
| | | 29 | | } |
| | 1 | 30 | | return warnings; |
| | | 31 | | } |
| | | 32 | | |
| | | 33 | | static bool DoesReferencedColumnExist(SchemaDescriptor schemaDescriptor, string referencedColumnName) |
| | | 34 | | { |
| | 1 | 35 | | if (schemaDescriptor.columns is not null) |
| | | 36 | | { |
| | 1 | 37 | | foreach (var column in schemaDescriptor.columns._value!) |
| | | 38 | | { |
| | 1 | 39 | | if (column.name is null) continue; |
| | 1 | 40 | | else if (column.name._value == referencedColumnName) return true; |
| | | 41 | | } |
| | 1 | 42 | | return false; |
| | | 43 | | } |
| | 0 | 44 | | else return false; |
| | 1 | 45 | | } |
| | | 46 | | |
| | | 47 | | } |
| | | 48 | | } |