/// <summary>
/// Parses the email addresses and creates in-memory work items.
/// </summary>
/// <remarks>
/// During parsing, duplicates and invalid addresses are discarded.
/// The work items has not been saved.
/// </remarks>
/// <param name="emailAddresses">The email addresses as a separated string to parse. Separators are ";, \n"</param>
/// <returns>The email addresses as JobWorkItem objects</returns>
public static JobWorkItems ParseEmailAddressesToWorkItems(string emailAddresses, JobWorkStatus defaultStatus)
{
JobWorkItems items = new JobWorkItems();
string[] emailAddressArray = emailAddresses.Split(new char[] { ';', ',', ' ', '\n' }, StringSplitOptions.RemoveEmptyEntries);
foreach (string emailAddress in emailAddressArray)
{
// Clean address
string emailAddressCleaned = NewsLetterUtil.CleanEmailAddress(emailAddress);
// Validate email address
if (EmailSyntaxValidator.Validate(emailAddressCleaned) == true)
{
// Check if already added.
JobWorkItem workItem = items.FirstOrDefault(j => j.EmailAddress.Equals(emailAddressCleaned));
if (workItem == null)
{
// Handle duplicates - try to load it first
workItem = new JobWorkItem(emailAddressCleaned, defaultStatus);
// Add to collection
items.Add(workItem);
}
}
}
return(items);
}
internal static void FillFromDataTable(DataTable table, JobWorkItems workItems)
{
foreach (DataRow row in table.Rows)
{
JobWorkItem workItem = new JobWorkItem(row);
workItems.Items.Add(workItem);
}
}
/// <summary>
/// Imports email addresses as work items for this job
/// </summary>
/// <param name="emailArray">The email addresses to import.</param>
/// <param name="invalidEmailAddresses">A list of all available email addresses that could not be parsed as a valid address</param>
/// <param name="duplicateAddresses">A list of duplicate email addresses added</param>
/// <returns>The number of email addresses imported as new work items. Duplicates are not part of this number.</returns>
public int ImportEmailAddresses(string[] emailArray, out List <string> invalidEmailAddresses, out List <string> duplicateAddresses)
{
JobWorkItems importedItems = new JobWorkItems();
invalidEmailAddresses = new List <string>();
duplicateAddresses = new List <string>();
int numberOfNewItems = 0;
foreach (string emailAddress in emailArray)
{
// TODO: This can be optimized by checking the
// existence of these email addresses in batches
// Clean address (this is done on save, so we need to make sure it's correct)
string emailAddressCleaned = NewsLetterUtil.CleanEmailAddress(emailAddress);
// Validate email address
if (EmailSyntaxValidator.Validate(emailAddressCleaned) == false)
{
// Invalid email address, skip it.
invalidEmailAddresses.Add(emailAddressCleaned);
}
else
{
// Check if already imported. This is the quickest duplicate check
JobWorkItem workItem = importedItems.Items.FirstOrDefault(j => j.EmailAddress.Equals(emailAddressCleaned));
if (workItem == null)
{
// Handle duplicates - try to load it first
workItem = JobWorkItem.Load(Id, emailAddressCleaned);
if (workItem == null)
{
// Create it, and save it. It is automatically
// added to the WorkItems collection
workItem = this.CreateWorkItem(emailAddressCleaned);
workItem.Save();
numberOfNewItems++;
}
else
{
// Duplicate
duplicateAddresses.Add(emailAddressCleaned);
}
// Add to imported collection, for quick
// in memory duplicate check
importedItems.Items.Add(workItem);
}
}
}
// Counters are no longer valid
ResetStatusCounters();
return(numberOfNewItems);
}
/// <summary>
/// Searches the specified job for work items that matches
/// a specified string. Will search all emails with a LIKE clause.
/// </summary>
/// <param name="jobId">The job id.</param>
/// <param name="searchFor">The email to search for.</param>
/// <returns>A collection of Work Items. The collection count can be 0</returns>
public static JobWorkItems Search(int jobId, string searchFor)
{
JobWorkItems items = new JobWorkItems();
WorkItemData dataUtil = GetWorker();
DataTable workItemsTable = dataUtil.WorkItemSearch(jobId, searchFor);
FillFromDataTable(workItemsTable, items);
return(items);
}
public static JobWorkItems ListAll(int jobId, JobWorkStatus status)
{
JobWorkItems items = new JobWorkItems();
WorkItemData dataUtil = GetWorker();
DataTable workItemsTable = dataUtil.WorkItemGetAllForJob(jobId, status);
FillFromDataTable(workItemsTable, items);
return(items);
}
/// <summary>
/// Gets work items for processing as a separate collection. This
/// collection is not wired back to this Job object.
/// </summary>
/// <remarks>
/// All work items returned will be set to Sending status.
/// </remarks>
/// <returns>A WorkItems collections with work items ready for processing.</returns>
public JobWorkItems GetWorkItemsForProcessing(int batchSize)
{
WorkItemData dataUtil = GetWorker <WorkItemData>();
DataTable workTable = dataUtil.WorkItemGetBatchForProcessing(_id, JobWorkStatus.NotStarted, JobWorkStatus.Sending, batchSize);
JobWorkItems workItems = new JobWorkItems();
JobWorkItems.FillFromDataTable(workTable, workItems);
return(workItems);
}
/// <summary>
/// Adds work items based on email addresses in a recipient list.
/// </summary>
/// <remarks>
/// All new items and items that exists in both list will have their
/// status set to NotStarted.
/// </remarks>
/// <param name="recipientListId">The recipient list id.</param>
/// <returns>The number of new work items</returns>
public int AddWorkItemsFromRecipientList(int recipientListId)
{
WorkItemData dataUtil = GetWorker <WorkItemData>();
int count = dataUtil.WorkItemInsertFromRecipientList(_id, recipientListId, JobWorkStatus.NotStarted);
// Remove any workitems from memory
_workItems = null;
// Counters are no longer valid
ResetStatusCounters();
return(count);
}
/// <summary>
/// Deletes this job and all worker items related to the job
/// </summary>
public void Delete()
{
if (_id <= 0)
{
throw new ArgumentException("Cannot delete job without id.");
}
JobData dataUtil = GetWorker <JobData>();
dataUtil.JobDelete(_id);
// Remove any workitems from memory
_workItems = null;
}
/// <summary>
/// Loads the work items for processing into the
/// WorkItems property. Will clear the existing
/// collection, and replace it with the new items
/// ready for processing. If you want WorkItems as
/// a separate collection, use the
/// GetWorkItemsForProcessing method.
/// </summary>
/// <param name="batchSize">Number of work items to load</param>
public void LoadWorkItemsForProcessing(int batchSize)
{
JobWorkItems workItems = GetWorkItemsForProcessing(batchSize);
if (_workItems != null)
{
_workItems.Items.Clear();
_workItems = null;
}
_workItems = workItems;
// Counters are no longer valid - we just changed them
ResetStatusCounters();
}
/// <summary>
/// A list of work items that needs to be handled
/// </summary>
/// <remarks>
/// When accessed for the first time, the list will be
/// filled with all the work items for this job.
/// This can be time consuming if there are many items
/// in the database.
/// </remarks>
public JobWorkItems GetWorkItems()
{
if (_workItems == null)
{
// Get worker items for this job
if (_id <= 0)
{
throw new ApplicationException(
"Cannot retrieve work items for a job that has no id. Save the job first to get the id.");
}
// Get items
_workItems = JobWorkItems.ListAll(_id);
}
return(_workItems);
}
/// <summary>
/// Deletes all work items.
/// </summary>
public void DeleteAllWorkItems()
{
if (_id <= 0)
{
throw new ArgumentException("Cannot remove work items for a job without id. Please save the job first.");
}
WorkItemData dataUtil = GetWorker <WorkItemData>();
dataUtil.WorkItemDeleteAllForJob(_id);
// Remove any workitems from memory
_workItems = null;
// Counters are no longer valid
ResetStatusCounters();
}
/// <summary>
/// Removes work items from this job based on the contents of a recipient list.
/// </summary>
/// <remarks>
/// Deletes all work items with email addresses that also exists in a recipient list
/// </remarks>
/// <param name="recipientListId">The id of the recipient list to use as filter.</param>
public int FilterOnRecipients(int recipientListId)
{
if (_id <= 0)
{
throw new ArgumentException("Cannot filter work items for a job without id. Please save the job first.");
}
WorkItemData dataUtil = GetWorker <WorkItemData>();
int count = dataUtil.WorkItemFilterAgainstRecipientList(_id, recipientListId);
// Remove any workitems from memory
_workItems = null;
// Counters are no longer valid
ResetStatusCounters();
return(count);
}
