/// <summary>
/// Searches current api for true mutation container
/// </summary>
/// <param name="apiMutation">The mutation</param>
/// <param name="apiRoot">The api root</param>
/// <returns>The mutation container</returns>
private static MergedField FindContainer(ApiMutation apiMutation, MergedApiRoot apiRoot)
{
var path = apiMutation.Name.Split('.').ToList();
path.RemoveAt(path.Count - 1);
MergedObjectType type = apiRoot;
MergedField field = null;
var queue = new Queue <string>(path);
while (queue.Count > 0)
{
if (type == null)
{
return(null);
}
var fieldName = queue.Dequeue();
if (!type.Fields.TryGetValue(fieldName, out field))
{
return(null);
}
type = field.Type as MergedObjectType;
}
return(field);
}
/// <summary>
/// Insert new fields from new provider into current type
/// </summary>
/// <param name="parentType">
/// Field to update
/// </param>
/// <param name="apiFields">
/// The list of subfields from api
/// </param>
/// <param name="provider">
/// The api provider
/// </param>
/// <param name="path">
/// The types names path to avoid circular references.
/// </param>
/// <param name="createAsInput">A value indicating that an input type is assembled</param>
/// <param name="typesCreated">The list of previously created types</param>
private static void MergeFields(
MergedObjectType parentType,
IEnumerable <ApiField> apiFields,
ApiProvider provider,
ICollection <string> path,
bool createAsInput,
Dictionary <string, MergedType> typesCreated)
{
var fields = createAsInput
? apiFields.Where(
f =>
f.Flags.HasFlag(EnFieldFlags.CanBeUsedInInput) &&
f.Arguments.All(a => a.Flags.HasFlag(EnFieldFlags.IsTypeArgument)))
: apiFields.Where(f => f.Flags.HasFlag(EnFieldFlags.Queryable));
foreach (var apiField in fields)
{
MergedField complexField;
if (parentType.Fields.TryGetValue(apiField.Name, out complexField))
{
if (apiField.ScalarType != EnScalarType.None || createAsInput ||
apiField.Flags.HasFlag(EnFieldFlags.IsConnection) ||
apiField.Flags.HasFlag(EnFieldFlags.IsArray) || !(complexField.Type is MergedObjectType) ||
complexField.Arguments.Any() || apiField.Arguments.Any())
{
// todo: write merge error
continue;
}
}
var flags = apiField.Flags;
if (createAsInput && flags.HasFlag(EnFieldFlags.IsConnection))
{
flags &= ~EnFieldFlags.IsConnection;
flags |= EnFieldFlags.IsArray;
}
var cloneField = apiField.Clone();
cloneField.Flags = flags;
var fieldType = CreateMergedType(provider, cloneField, complexField, path, createAsInput, typesCreated);
if (fieldType == null)
{
continue;
}
var fieldArguments = new Dictionary <string, MergedField>();
if (!createAsInput)
{
foreach (var argument in apiField.Arguments)
{
var fieldArgumentType = CreateMergedType(provider, argument, null, path, true, typesCreated);
fieldArguments[argument.Name] = new MergedField(
argument.Name,
fieldArgumentType,
provider,
apiField,
argument.Flags,
description: argument.Description);
}
}
var description = string.Join(
"\n",
new[] { complexField?.Description, apiField.Description }.Where(s => !string.IsNullOrWhiteSpace(s)));
var field = new MergedField(
apiField.Name,
fieldType,
provider,
cloneField,
flags,
fieldArguments,
string.IsNullOrWhiteSpace(description) ? null : description);
if (complexField != null)
{
foreach (var complexFieldProvider in complexField.Providers)
{
field.AddProvider(
complexFieldProvider,
complexField.OriginalFields[complexFieldProvider.Description.ApiName]);
}
}
parentType.Fields[apiField.Name] = field;
}
}