private static ResultWithErrors <ResourceTypeSchema[]> BuildSchemaCacheFromFilePaths(IEnumerable <string> filePaths)
{
var schemasByPath = filePaths
.Select(File.ReadAllText)
.Select(JObject.Parse)
.ToInsensitiveDictionary(
keySelector: schema => GetRelativeSchemaPath(schema["id"].ToObject <string>()),
elementSelector: schema => schema as JToken);
var externalReferenceSchemasResult = SchemaUtils.GetExternalReferenceSchemas(schemasByPath, SchemaUtils.ExternalReferenceWhitelist.ToArray());
if (externalReferenceSchemasResult.Errors.Any())
{
throw new InvalidOperationException($"Failed to initialize the offline schemas cache");
}
var schemaRefsByFile = SchemaUtils.TopLevelReferenceSchemas
.SelectMany(schemaPath => SchemaUtils.GetExternalReferences(schemasByPath[schemaPath]))
.Select(property => property.Value.ToObject <string>())
.ToLookupOrdinalInsensitively(SchemaUtils.GetFilePathFromUri);
var schemaKeysFound = schemaRefsByFile
.Select(grouping => grouping.Key)
.Where(filePath => !SchemaUtils.ExternalReferenceWhitelist.Contains(filePath))
.Where(filePath => schemasByPath.ContainsKey(filePath))
.ToArray();
var schemaGroups = schemaKeysFound.GroupByInsensitively(keySelector: schemaKey => SchemaUtils.GetSchemaGroupKey(schemaKey));
var schemaNormalizationResults = schemaGroups
.Select(schemaGroup => schemaGroup.ToInsensitiveDictionary(keySelector: schemaKey => schemaKey, elementSelector: schemaKey => schemasByPath[schemaKey]))
.SelectMany(schemaGroup => SchemaUtils.NormalizeAndFilterSchemaGroup(
schemaGroup: schemaGroup,
externalReferenceSchemas: externalReferenceSchemasResult.Value,
schemaRefsByFile: schemaRefsByFile))
.ToInsensitiveDictionary(
keySelector: normalizationResult => normalizationResult.Key,
elementSelector: normalizationResult => normalizationResult.Value);
var resourceTypeSchemasResults = schemaNormalizationResults
.Where(kvp => kvp.Value.Value != null)
.Select(kvp => new OfflineSchema(
providerNamespace: SchemaUtils.GetProviderNamespaceFromSchemaKey(kvp.Key),
apiVersion: SchemaUtils.GetVersionFromSchemaKey(kvp.Key),
schemaContent: kvp.Value.Value))
.Select(schema => schema.GetResourceTypeSchemasResult());
return(new ResultWithErrors <ResourceTypeSchema[]>
{
Value = resourceTypeSchemasResults.CollectValues().ToArray(),
Errors = schemaNormalizationResults.Values.CollectErrors()
.ConcatArray(resourceTypeSchemasResults.CollectErrors()),
});
}