private protected virtual void DoValidateFields()

in src/Epam.GraphQL/Configuration/Implementations/BaseObjectGraphTypeConfigurator.cs [997:1038]

37 lines of code
7 McCabe index (conditional complexity)


        private protected virtual void DoValidateFields()
        {
            if (!Fields.Any())
            {
                ConfigurationContext.AddError(
                    $"{(IsAuto ? $"Type `{typeof(TEntity).HumanizedName()}`" : "OnConfigure() method")} must have a declaration of one field at least.",
                    ConfigurationContext.Parent == null ? Array.Empty<IConfigurationContext>() : new[] { ConfigurationContext.Parent });
            }

            // Find dulicates and add errors for them
            foreach (var group in Fields
                .GroupBy(field => field.Name)
                .Where(group => group.Count() > 1))
            {
                ConfigurationContext.AddError(
                    $"A field with the name `{group.Key}` is already registered.",
                    group.Select(field => field.ConfigurationContext).ToArray());
            }

            foreach (var group in InlineFilters
                .GroupBy(filter => filter.FieldName)
                .Where(group => group.Count() > 1))
            {
                ConfigurationContext.AddError(
                    $"A filter for field with the name `{group.Key}` is already registered.",
                    group.Select(filter => filter.ConfigurationContext).ToArray());
            }

            foreach (var group in Sorters
                .GroupBy(sorter => sorter.Name)
                .Where(group => group.Count() > 1))
            {
                ConfigurationContext.AddError(
                    $"A sorter with the name `{group.Key}` is already registered.",
                    group.Select(sorter => sorter.ConfigurationContext).ToArray());
            }

            if (!IsAuto)
            {
                Fields.ForEach(f => f.Validate());
            }
        }