public static IServiceCollection AddWorkflowEngineServices <TContext>(
this IServiceCollection services,
WorkflowConfiguration workflowConfiguration
) where TContext : EngineDbContext
{
if (workflowConfiguration == null)
{
throw new ArgumentNullException(nameof(workflowConfiguration));
}
services.Configure <WorkflowConfiguration>(config =>
{
config.Types = workflowConfiguration.Types;
});
services.AddTransient <IUserContextService, UserContextService>();
services.AddSingleton <IWorkflowDefinitionProvider, WorkflowDefinitionProvider>();
services.AddTransient <IWorkItemService, WorkItemService <TContext> >();
services.AddTransient <IWorkflowEngine, WorkflowEngine <TContext> >();
services.AddTransient <IWorkflowService, WorkflowService <TContext> >();
services.AddTransient <IUserWorkflowMappingService, NoopUserWorkflowMappingService>();
services.AddTransient <IWorkflowDefinitionViewModelCreator,
ConfigurationWorkflowDefinitionViewModelCreator>();
// Policies
services.AddAuthorization(options =>
{
options.AddPolicy(
Constants.MANAGE_WORKFLOWS_POLICY,
policy => policy.RequireRole(Constants.WORKFLOW_ADMIN_ROLE)
);
});
return(services);
}
public static IServiceCollection AddWorkflowEngineServices <TContext>(
this IServiceCollection services,
WorkflowConfiguration workflowConfiguration,
ProcessorConfiguration processorConfiguration
) where TContext : EngineDbContext
{
if (workflowConfiguration == null)
{
throw new ArgumentNullException(nameof(workflowConfiguration));
}
if (processorConfiguration == null)
{
throw new ArgumentNullException(nameof(processorConfiguration));
}
services.Configure <WorkflowConfiguration>(config =>
{
config.Types = workflowConfiguration.Types;
});
services.Configure <ProcessorConfiguration>(config =>
{
config.Enabled = processorConfiguration.Enabled;
config.Intervall = processorConfiguration.Intervall;
});
if (processorConfiguration.Enabled)
{
services.AddSingleton <IHostedService, WorkflowProcessor>();
services.AddSingleton <IJobQueueService, JobQueueService>();
services.AddTransient <EnqueueWorkItemMessageHandler>();
}
services.AddTransient <IUserContextService, UserContextService>();
services.AddSingleton <IWorkflowDefinitionProvider, WorkflowDefinitionProvider>();
services.AddTransient <IWorkItemService, WorkItemService <TContext> >();
services.AddTransient <IWorkflowEngine, WorkflowEngine <TContext> >();
services.AddTransient <IWorkflowService, WorkflowService>();
services.AddTransient <IUserWorkflowMappingService, NoopUserWorkflowMappingService>();
services.AddTransient <IWorkflowDefinitionViewModelCreator,
ConfigurationWorkflowDefinitionViewModelCreator>();
// MessageBus
services.AddSingleton <IMessageBus, InMemoryMessageBus>();
return(services);
}
public ConfigurationWorkflowDefinitionViewModelCreator(
IOptions <WorkflowConfiguration> workflows
)
{
_workflowConfiguration = workflows.Value;
}