public async Task Prepare(IValidationContext context)
{
Logger.LogInformation("Reading the work item types from the source and target accounts");
// When reading the work item, we need the type field for this validator
context.RequestedFields.Add(FieldNames.WorkItemType);
try
{
// We need all fields to validate the field types
var sourceFields = (await WorkItemTrackingHelpers.GetFields(context.SourceClient.WorkItemTrackingHttpClient)).ToDictionary(key => key.ReferenceName);
context.SourceFields = new ConcurrentDictionary <string, WorkItemField>(sourceFields, StringComparer.OrdinalIgnoreCase);
}
catch (Exception e)
{
throw new ValidationException("Unable to read fields on the source", e);
}
try
{
// We need all fields to validate the field types
var targetFields = (await WorkItemTrackingHelpers.GetFields(context.TargetClient.WorkItemTrackingHttpClient)).ToDictionary(key => key.ReferenceName);
context.TargetFields = new ConcurrentDictionary <string, WorkItemField>(targetFields, StringComparer.OrdinalIgnoreCase);
context.IdentityFields = new HashSet <string>(targetFields.Where(f => f.Value.IsIdentity).Select(f => f.Key), StringComparer.OrdinalIgnoreCase);
}
catch (Exception e)
{
throw new ValidationException("Unable to read fields on the target", e);
}
// handle condition of activated/not activated:
ValidateFieldsMapping(context);
try
{
var workItemTypes = await WorkItemTrackingHelpers.GetWorkItemTypes(context.SourceClient.WorkItemTrackingHttpClient, context.Config.SourceConnection.Project);
foreach (var workItemType in workItemTypes)
{
context.SourceTypesAndFields[workItemType.Name] = new HashSet <string>(workItemType.Fields.Select(f => f.ReferenceName), StringComparer.OrdinalIgnoreCase);
}
}
catch (Exception e)
{
throw new ValidationException("Unable to read work item types on the source", e);
}
try
{
var workItemTypes = await WorkItemTrackingHelpers.GetWorkItemTypes(context.TargetClient.WorkItemTrackingHttpClient, context.Config.TargetConnection.Project);
foreach (var workItemType in workItemTypes)
{
context.TargetTypesAndFields[workItemType.Name] = new HashSet <string>(workItemType.Fields.Select(f => f.ReferenceName), StringComparer.OrdinalIgnoreCase);
}
}
catch (Exception e)
{
throw new ValidationException("Unable to read work item types on the target", e);
}
// A very edge case, but we should fail this scenario.
if (context.SourceTypesAndFields.Count == 0 || context.TargetTypesAndFields.Count == 0)
{
throw new ValidationException("Source or target does not have any work item types");
}
}