public override ValueTask <string?> SaveAsync(SaveWorkflowContext <Document> context, CancellationToken cancellationToken = default)
{
var document = context.Context;
if (string.IsNullOrWhiteSpace(document.DocumentId))
{
document.DocumentId = _idGenerator.Generate();
}
_session.Save(document);
return(new ValueTask <string?>(document.DocumentId));
}
private async ValueTask <string?> SaveWorkflowContextAsync(WorkflowExecutionContext workflowExecutionContext, WorkflowContextFidelity fidelity, bool always, CancellationToken cancellationToken)
{
var workflowContext = workflowExecutionContext.WorkflowContext;
if (!always && (workflowContext == null || workflowExecutionContext.WorkflowBlueprint.ContextOptions?.ContextFidelity != fidelity))
{
return(workflowExecutionContext.WorkflowInstance.ContextId);
}
var context = new SaveWorkflowContext(workflowExecutionContext);
return(await _workflowContextManager.SaveContextAsync(context, cancellationToken));
}
public override ValueTask <string> SaveAsync(
SaveWorkflowContext <WorkflowState> context,
CancellationToken cancellationToken = default)
{
var state = context.Context;
if (string.IsNullOrWhiteSpace(state.Id))
{
state.Id = this.idGenerator.Generate();
}
this.session.Save(state);
return(new ValueTask <string>(state.Id));
}
public override async ValueTask <string> SaveAsync(SaveWorkflowContext <BlogPost> context, CancellationToken cancellationToken = default)
{
_logger.LogInformation("SaveAsync...");
var blogPost = context.Context;
await using var dbContext = _blogContextFactory.CreateDbContext();
var dbSet = dbContext.BlogPosts;
if (blogPost == null)
{
// new post, get from body
blogPost = ((HttpRequestModel)context.WorkflowExecutionContext.Input !).GetBody <BlogPost>();
// generate id
blogPost.Id = Guid.NewGuid().ToString("N");
// ensure published is false
blogPost.IsPublished = false;
// set context
context.WorkflowExecutionContext.WorkflowContext = blogPost;
context.WorkflowExecutionContext.ContextId = blogPost.Id;
_logger.LogInformation($"Save new...{blogPost.Id}");
// add post to db
await dbSet.AddAsync(blogPost, cancellationToken);
}
else
{
// existing post
var blogPostId = blogPost.Id;
var existingPost = await dbSet.AsQueryable()
.Where(x => x.Id == blogPostId)
.FirstAsync(cancellationToken);
_logger.LogInformation($"Save existing...{blogPost.Id}");
// update
dbContext.Entry(existingPost).CurrentValues.SetValues(blogPost);
}
await dbContext.SaveChangesAsync(cancellationToken);
return(blogPost.Id);
}
public async ValueTask <string?> SaveContextAsync(SaveWorkflowContext context, CancellationToken cancellationToken = default)
{
var provider = GetPersister(context.ContextType);
return(provider == null ? context.ContextId : await provider.SaveAsync(context, cancellationToken));
}
public abstract ValueTask <string?> SaveAsync(SaveWorkflowContext context, CancellationToken cancellationToken = default);
public SaveWorkflowContext(SaveWorkflowContext context) : base(context.WorkflowExecutionContext)
{
}
public virtual ValueTask <string?> SaveAsync(SaveWorkflowContext <T> context, CancellationToken cancellationToken = default) => new(context.ContextId);
ValueTask <string?> ISaveWorkflowContext.SaveAsync(SaveWorkflowContext context, CancellationToken cancellationToken) => SaveAsync(new SaveWorkflowContext <T>(context), cancellationToken);
