// Factory method to create a new item processor based on the item type
public static ItemProcessor Create(User user, UserStorageContext storage, Guid itemTypeID)
{
if (itemTypeID == SystemItemTypes.Contact)
return new ContactProcessor(user, storage);
if (itemTypeID == SystemItemTypes.Step)
return new StepProcessor(user, storage);
return null;
}
// OBSOLETE! Stamping of CompletedOn field is being done on each client to get proper timezone and immediate response.
// should only be called if newItem.Complete value is true
public static bool ProcessUpdateCompletedOn(UserStorageContext userContext, Item oldItem, Item newItem)
{
var wasComplete = oldItem.GetFieldValue(FieldNames.Complete);
if (wasComplete == null || !wasComplete.Value.Equals("true", StringComparison.OrdinalIgnoreCase))
{ // timestamp the CompletedOn field
newItem.GetFieldValue(FieldNames.CompletedOn, true).Value = DateTime.UtcNow.ToString();
}
return false;
}
public GoogleClient(User user, UserStorageContext storage)
{
// for using existing access token with renewal
this.user = user;
this.storage = storage;
if (user.UserCredentials == null || user.UserCredentials.Count == 0)
{ // ensure UserCredentials are present
this.user = storage.GetUser(user.ID, true);
}
UserCredential googleConsent = this.user.GetCredential(UserCredential.GoogleConsent);
if (googleConsent != null)
{
this.googleAuthenticator = CreateGoogleAuthenticator(GetAccessToken);
}
}
public static bool DeleteItemChildrenRecursively(UserStorageContext storageContext, Item item)
{
var children = storageContext.Items.Where(i => i.ParentID == item.ID).ToList();
bool commit = false;
foreach (var c in children)
{
DeleteItemChildrenRecursively(storageContext, c);
storageContext.Items.Remove(c);
commit = true;
}
// commit deletion of all children at the same layer together
if (commit) { storageContext.SaveChanges(); }
return commit;
}
public static Item InstallActivity(UserStorageContext userContext, SuggestionsStorageContext suggestionsContext, User user, Folder category, Guid? subCategory, GalleryActivity galleryActivity)
{
// get activity from context
var activity = suggestionsContext.GalleryActivities.FirstOrDefault(ga => ga.ID == galleryActivity.ID);
if (activity == null)
return null;
if (category == null)
{
var galleryCategory = suggestionsContext.GalleryCategories.FirstOrDefault(gc => gc.ID == activity.CategoryID);
if (galleryCategory == null)
return null;
category = CreateCategory(userContext, user, galleryCategory.Name);
}
return InstallActivity(userContext, suggestionsContext, category, subCategory, activity);
}
public static bool DeleteItemReferences(User currentUser, UserStorageContext storageContext, Item item)
{
string itemID = item.ID.ToString();
var itemRefs = storageContext.Items.Include("FieldValues").
Where(i => i.UserID == currentUser.ID && i.ItemTypeID == SystemItemTypes.Reference &&
i.FieldValues.Any(fv => fv.FieldName == FieldNames.EntityRef && fv.Value == itemID)).ToList();
bool commit = false;
foreach (var itemRef in itemRefs)
{
storageContext.Items.Remove(itemRef);
commit = true;
}
// commit deletion of References
if (commit) { storageContext.SaveChanges(); }
return commit;
}
/// <summary>
/// Delete all workflow instances associated with this entity ID (the entity is already deleted)
/// </summary>
/// <param name="userContext"></param>
/// <param name="suggestionsContext"></param>
/// <param name="entity"></param>
public static void DeleteWorkflows(UserStorageContext userContext, SuggestionsStorageContext suggestionsContext, Guid entityID)
{
try
{
// get all the workflow instances for this Item
var wis = suggestionsContext.WorkflowInstances.Where(w => w.EntityID == entityID).ToList();
if (wis.Count > 0)
{
// loop over the workflow instances and dispatch the new message
foreach (var instance in wis)
{
suggestionsContext.WorkflowInstances.Remove(instance);
}
suggestionsContext.SaveChanges();
}
}
catch (Exception ex)
{
TraceLog.TraceException("DeleteWorkflows failed", ex);
}
}
public NextStepsDataModel(BaseController controller)
{
this.storageContext = controller.StorageContext;
this.currentUser = controller.CurrentUser;
}
/// <summary>
/// Invoke the workflows for an operation depending on the environment.
/// If in Azure, enqueue a message; otherwise, invoke the workflow host directly.
/// </summary>
/// <param name="userContext"></param>
/// <param name="suggestionsContext"></param>
/// <param name="operation"></param>
public static void InvokeWorkflowForOperation(UserStorageContext userContext, SuggestionsStorageContext suggestionsContext, Operation operation)
{
if (HostEnvironment.IsAzure)
MessageQueue.EnqueueMessage(operation.ID);
else
ProcessOperation(userContext, suggestionsContext, operation);
}
public AppointmentProcessor(User user, UserStorageContext storage)
{
this.user = user;
this.storage = storage;
}
public static Item InstallActivity(UserStorageContext userContext, SuggestionsStorageContext suggestionsContext, Folder category, Guid? subCategory, GalleryActivity galleryActivity)
{
Item result = null;
try
{
// deserialize the definition
var def = JsonSerializer.Deserialize<ActivityDefinition>(galleryActivity.Definition);
// create the new item corresponding to the activity
DateTime now = DateTime.Now;
var activity = new Item()
{
ID = Guid.NewGuid(),
Name = def.Name,
FolderID = category.ID,
ParentID = subCategory,
UserID = category.UserID,
ItemTypeID = SystemItemTypes.Activity,
IsList = true,
Status = StatusTypes.Active,
Created = now,
LastModified = now,
};
result = activity;
// make this the last activity in the (sub)category
float sortOrder = (userContext.Items.Any(i => i.UserID == category.UserID && i.FolderID == category.ID &&
i.ItemTypeID == SystemItemTypes.Activity && (subCategory.HasValue ? i.ParentID == subCategory : i.ParentID == null)) ?
userContext.Items.Where(i => i.UserID == category.UserID && i.FolderID == category.ID &&
i.ItemTypeID == SystemItemTypes.Activity && (subCategory.HasValue ? i.ParentID == subCategory : i.ParentID == null)).
Select(i => i.SortOrder).
Max() :
0f) + 1000f;
activity.SortOrder = sortOrder;
// set ActivityID of gallery activity this Item is created from
activity.GetFieldValue(ExtendedFieldNames.ActivityID, true).Value = galleryActivity.ID.ToString();
// if provided, set the default cadence of the activity
if (def.Recurrence != null)
activity.GetFieldValue(FieldNames.Repeat, true).Value = def.Recurrence.ToString();
// if provided, set the status
if (def.Status != null)
activity.Status = def.Status;
userContext.Items.Add(activity);
userContext.SaveChanges();
// install all the steps for the activity
sortOrder = 1;
foreach (var step in def.Steps)
{
InstallStep(userContext, category, activity.ID, step, sortOrder);
sortOrder += 1;
}
}
catch (Exception ex)
{
TraceLog.TraceException("InstallActivity failed", ex);
return result;
}
return result;
}
/// <summary>
/// Start a workflow of a certain type, passing it an entity and some instance data to start
/// </summary>
/// <param name="userContext"></param>
/// <param name="suggestionsContext"></param>
/// <param name="type">String representing the workflow type</param>
/// <param name="entity">Entity to associate with the workflow</param>
/// <param name="instanceData">Instance data to pass into the workflow</param>
public static void StartWorkflow(UserStorageContext userContext, SuggestionsStorageContext suggestionsContext, string type, ServerEntity entity, string instanceData)
{
WorkflowInstance instance = null;
try
{
Workflow workflow = null;
// get the workflow definition out of the database
try
{
var wt = suggestionsContext.WorkflowTypes.Single(t => t.Type == type);
workflow = JsonSerializer.Deserialize<Workflow>(wt.Definition);
}
catch (Exception ex)
{
TraceLog.TraceException("Could not find or deserialize workflow definition", ex);
return;
}
// don't start a workflow with no states
if (workflow.States.Count == 0)
return;
// store the database contexts
workflow.UserContext = userContext;
workflow.SuggestionsContext = suggestionsContext;
// create the new workflow instance and store in the workflow DB
DateTime now = DateTime.Now;
instance = new WorkflowInstance()
{
ID = Guid.NewGuid(),
EntityID = entity.ID,
EntityName = entity.Name,
WorkflowType = type,
State = workflow.States[0].Name,
InstanceData = instanceData ?? "{}",
Created = now,
LastModified = now,
LockedBy = WorkflowHost.Me,
};
suggestionsContext.WorkflowInstances.Add(instance);
suggestionsContext.SaveChanges();
TraceLog.TraceInfo("Starting workflow " + type);
// invoke the workflow and process steps until workflow is blocked for user input or is done
workflow.Run(instance, entity);
// unlock the workflowinstance
instance.LockedBy = null;
suggestionsContext.SaveChanges();
}
catch (Exception ex)
{
TraceLog.TraceException("StartWorkflow failed", ex);
if (instance != null && instance.LockedBy == WorkflowHost.Me)
{
// unlock the workflowinstance
instance.LockedBy = null;
suggestionsContext.SaveChanges();
}
}
}
/// <summary>
/// Start workflows associated with a change in one or more of the entity's fields
/// </summary>
/// <param name="userContext"></param>
/// <param name="suggestionsContext"></param>
/// <param name="entity"></param>
/// <param name="oldEntity"></param>
public static void StartTriggerWorkflows(UserStorageContext userContext, SuggestionsStorageContext suggestionsContext, ServerEntity entity, ServerEntity oldEntity)
{
if (entity == null || oldEntity == null)
return;
// only Item property triggers are supported at this time
Item item = entity as Item;
Item oldItem = oldEntity as Item;
if (item != null)
{
// go through field by field, and if a field has changed, trigger the appropriate workflow
ItemType itemType = userContext.ItemTypes.Include("Fields").Single(it => it.ID == item.ItemTypeID);
foreach (var field in itemType.Fields)
{
object newValue = item.GetFieldValue(field);
object oldValue = item.GetFieldValue(field);
// skip fields that haven't changed
if (newValue == null || newValue.Equals(oldValue))
continue;
// do field-specific processing for select fields
switch (field.Name)
{
case FieldNames.Name:
//disable for now
//RestartWorkflow(userContext, suggestionsContext, item, WorkflowNames.NewTask);
break;
}
}
}
}
/// <summary>
/// Start NewUser/NewFolder/NewItem workflows based on the entity type
/// </summary>
/// <param name="userContext"></param>
/// <param name="suggestionsContext"></param>
/// <param name="entity"></param>
public static void StartNewWorkflows(UserStorageContext userContext, SuggestionsStorageContext suggestionsContext, ServerEntity entity)
{
if (entity == null)
return;
// figure out what kind of entity this is
Item item = entity as Item;
Folder folder = entity as Folder;
User user = entity as User;
// verify there are no workflow instances associated with this item yet
var wis = suggestionsContext.WorkflowInstances.Where(wi => wi.EntityID == entity.ID).ToList();
if (wis.Count > 0)
return;
if (item != null && item.IsList == false)
{
#if false
if (item.ItemTypeID == SystemItemTypes.Task)
StartWorkflow(userContext, suggestionsContext, WorkflowNames.NewTask, item, null);
// the Contact and Grocery new item processing happens in ItemProcessor now
if (item.ItemTypeID == SystemItemTypes.Contact)
StartWorkflow(userContext, suggestionsContext, WorkflowNames.NewContact, item, null);
if (item.ItemTypeID == SystemItemTypes.Grocery)
Workflow.StartWorkflow(userContext, suggestionsContext, WorkflowNames.NewGrocery, item, null);
#endif
}
if (folder != null)
{
}
if (user != null)
{
StartWorkflow(userContext, suggestionsContext, WorkflowNames.NewUser, user, null);
}
}
/// <summary>
/// Restart the workflows associated with an entity
/// </summary>
/// <param name="userContext"></param>
/// <param name="suggestionsContext"></param>
/// <param name="entity"></param>
/// <param name="workflowType"></param>
public static void RestartWorkflow(UserStorageContext userContext, SuggestionsStorageContext suggestionsContext, ServerEntity entity, string workflowType)
{
if (entity == null || workflowType == null)
return;
try
{
// kill all existing workflows associated with this Item
// TODO: also need to mark the suggestions associated with this workflow as stale so that they don't
// show up for the item again.
var runningWFs = suggestionsContext.WorkflowInstances.Where(wi => wi.EntityID == entity.ID).ToList();
if (runningWFs.Count > 0)
{
foreach (var wf in runningWFs)
suggestionsContext.WorkflowInstances.Remove(wf);
suggestionsContext.SaveChanges();
}
StartWorkflow(userContext, suggestionsContext, workflowType, entity, null);
}
catch (Exception)
{
StartWorkflow(userContext, suggestionsContext, workflowType, entity, null);
}
}
/// <summary>
/// Process the operation based on the underlying entity type and the operation type
/// </summary>
/// <param name="userContext"></param>
/// <param name="suggestionsContext"></param>
/// <param name="operation"></param>
/// <returns>true if processed, false if the instance was locked and the operation needs to be replayed</returns>
public static bool ProcessOperation(UserStorageContext userContext, SuggestionsStorageContext suggestionsContext, Operation operation)
{
if (operation == null)
return true;
if (userContext == null)
userContext = Storage.NewUserContext;
if (suggestionsContext == null)
suggestionsContext = Storage.NewSuggestionsContext;
Guid entityID = operation.EntityID;
string entityType = operation.EntityType.Trim();
string operationType = operation.OperationType.Trim();
TraceLog.Session = operation.Session;
// try to get a strongly-typed entity (item, folder, user...)
ServerEntity entity = null, oldEntity = null;
bool process = true;
// extract the underlying entity unless this is a delete operation (in which case it's already deleted)
if (operationType != "DELETE")
{
try
{
switch (entityType)
{
case "Item":
Item item = userContext.Items.Include("FieldValues").Single(i => i.ID == entityID);
Item oldItem = JsonSerializer.Deserialize<Item>(operation.OldBody);
entity = item;
oldEntity = oldItem;
break;
case "Folder":
Folder folder = userContext.Folders.Single(i => i.ID == entityID);
entity = folder;
break;
case "User":
User user = userContext.Users.Single(i => i.ID == entityID);
entity = user;
break;
case "Suggestion":
// if the entity passed in is a suggestion, this is a "meta" request - get the underlying Entity's
// ID and type
Suggestion suggestion = suggestionsContext.Suggestions.Single(s => s.ID == entityID);
entityID = suggestion.EntityID;
entityType = suggestion.EntityType;
switch (entityType)
{
case "Item":
entity = userContext.Items.Include("FieldValues").Single(i => i.ID == entityID);
break;
case "Folder":
entity = userContext.Folders.Single(i => i.ID == entityID);
break;
case "User":
entity = userContext.Users.Single(i => i.ID == entityID);
break;
}
operationType = "SUGGESTION";
break;
default:
TraceLog.TraceError("Invalid Entity Type " + entityType);
process = false;
break;
}
}
catch (Exception ex)
{
TraceLog.TraceException(String.Format("Could not retrieve {0}", entityType), ex);
process = false;
}
}
// launch new workflows based on the changes to the item
if (process)
{
switch (operationType)
{
case "DELETE":
DeleteWorkflows(userContext, suggestionsContext, entityID);
return true;
case "POST":
StartNewWorkflows(userContext, suggestionsContext, entity);
return ExecuteWorkflows(userContext, suggestionsContext, entity);
case "PUT":
StartTriggerWorkflows(userContext, suggestionsContext, entity, oldEntity);
return ExecuteWorkflows(userContext, suggestionsContext, entity);
case "SUGGESTION":
return ExecuteWorkflows(userContext, suggestionsContext, entity);
default:
TraceLog.TraceError("Invalid Operation Type " + operationType);
return true;
}
}
return true;
}
private static Folder CreateCategory(UserStorageContext userContext, User user, string name)
{
var category = userContext.Folders.FirstOrDefault(f => f.UserID == user.ID && f.Name == name);
if (category == null)
{
category = new Folder()
{
ID = Guid.NewGuid(),
Name = name,
UserID = user.ID,
ItemTypeID = SystemItemTypes.Category,
};
// make this the last category in the list
float sortOrder = (userContext.Folders.Any(i => i.UserID == user.ID && i.ItemTypeID == SystemItemTypes.Category) ?
userContext.Folders.Where(i => i.UserID == user.ID && i.ItemTypeID == SystemItemTypes.Category).
Select(i => i.SortOrder).
Max() :
0f) + 1000f;
category.SortOrder = sortOrder;
userContext.Folders.Add(category);
userContext.SaveChanges();
}
return category;
}
private static void InstallStep(UserStorageContext userContext, Folder category, Guid activity, ActivityStep activityStep, float sortOrder)
{
try
{
DateTime now = DateTime.Now;
var status = (sortOrder == 1) ? StatusTypes.Active : null;
var step = new Item()
{
ID = Guid.NewGuid(),
Name = activityStep.Name,
FolderID = category.ID,
UserID = category.UserID,
ParentID = activity,
ItemTypeID = SystemItemTypes.Step,
SortOrder = sortOrder * 1000f,
Status = status,
Created = now,
LastModified = now,
FieldValues = new List<FieldValue>()
};
// TODO: calculate proper due date for first & last steps (based on recurrence setting)
if (sortOrder == 1)
{ // TEMPORARY: set first step due date to today
step.GetFieldValue(FieldNames.DueDate, true).Value = now.ToUniversalTime().ToLongDateString();
}
step.GetFieldValue(FieldNames.ActionType, true).Value = activityStep.Action;
userContext.Items.Add(step);
userContext.SaveChanges();
}
catch (Exception ex)
{
TraceLog.TraceException("InstallStep failed for step " + activityStep.Name, ex);
}
}
/// <summary>
/// Execute the workflow instances associated with this entity
/// </summary>
/// <param name="entity"></param>
/// <param name="userContext"></param>
/// <param name="suggestionsContext"></param>
/// <returns>true if processing happened (and the operation doesn't need to be processed again),
/// false if one the workflow instances was locked (causes the message to be reprocessed)</returns>
public static bool ExecuteWorkflows(UserStorageContext userContext, SuggestionsStorageContext suggestionsContext, ServerEntity entity)
{
if (entity == null)
return true;
List<WorkflowInstance> wis = null;
try
{
// get all the workflow instances for this Item
wis = suggestionsContext.WorkflowInstances.Where(w => w.EntityID == entity.ID).ToList();
if (wis.Count > 0)
{
// if the instance is locked by someone else, stop processing
// otherwise lock each of the workflow instances
foreach (var instance in wis)
{
if (instance.LockedBy != null && instance.LockedBy != Me)
return false;
instance.LockedBy = Me;
}
suggestionsContext.SaveChanges();
// reacquire the lock list and verify they were all locked by Me (if not, stop processing)
// projecting locks and not workflow instances to ensure that the database's lock values are returned (not from EF's cache)
var locks = suggestionsContext.WorkflowInstances.Where(w => w.EntityID == entity.ID).Select(w => w.LockedBy).ToList();
foreach (var lockedby in locks)
if (lockedby != Me)
return false;
// loop over the workflow instances and dispatch the new message
foreach (var instance in wis)
{
Workflow workflow = null;
try
{
var wt = suggestionsContext.WorkflowTypes.Single(t => t.Type == instance.WorkflowType);
workflow = JsonSerializer.Deserialize<Workflow>(wt.Definition);
}
catch (Exception ex)
{
TraceLog.TraceException("Could not find or deserialize workflow definition", ex);
continue;
}
// set the database contexts
workflow.UserContext = userContext;
workflow.SuggestionsContext = suggestionsContext;
// invoke the workflow and process steps until workflow is blocked for user input or is done
workflow.Run(instance, entity);
}
}
return true;
}
catch (Exception ex)
{
TraceLog.TraceException("ExecuteWorkflows failed", ex);
return true;
}
finally
{
// find and unlock all remaining workflow instances that relate to this entity
// note that a new context is used for this - to avoid caching problems where the current thread
// believes it is the owner but the database says otherwise.
var context = Storage.NewSuggestionsContext;
wis = context.WorkflowInstances.Where(w => w.EntityID == entity.ID).ToList();
if (wis.Count > 0)
{
// unlock each of the workflow instances
foreach (var instance in wis)
if (instance.LockedBy == Me)
instance.LockedBy = null;
context.SaveChanges();
}
}
}
// may return either Folder or Item (caller should verify)
public static object InstallCategory(UserStorageContext userContext, SuggestionsStorageContext suggestionsContext, User user, Folder category, Guid? parentID, GalleryCategory newCategory)
{
object result = null;
try
{
// find the gallery category in the database (by ID if present, otherwise by name)
GalleryCategory galleryCategory = newCategory.ID > 0 ?
suggestionsContext.GalleryCategories.FirstOrDefault(gc => gc.ID == newCategory.ID) :
suggestionsContext.GalleryCategories.FirstOrDefault(gc => gc.Name == newCategory.Name);
if (galleryCategory == null)
{
TraceLog.TraceError("InstallCategory could not find Category ID " + newCategory.ID);
return result;
}
// if the caller didn't pass in a Category, merge with an existing folder (by name), or create a new folder
if (category == null)
{
category = CreateCategory(userContext, user, newCategory.Name);
parentID = null;
result = category;
}
else
{
// otherwise, create this (sub)category as a subitem
DateTime now = DateTime.Now;
var subCategory = new Item()
{
ID = Guid.NewGuid(),
Name = galleryCategory.Name,
FolderID = category.ID,
ParentID = parentID,
UserID = category.UserID,
ItemTypeID = SystemItemTypes.Category,
IsList = true,
Created = now,
LastModified = now,
};
result = subCategory;
// make this the last subcategory in the category
float sortOrder = (userContext.Items.Any(i => i.UserID == category.UserID && i.FolderID == category.ID &&
i.ItemTypeID == SystemItemTypes.Category && (parentID.HasValue ? i.ParentID == parentID : i.ParentID == null)) ?
userContext.Items.Where(i => i.UserID == category.UserID && i.FolderID == category.ID &&
i.ItemTypeID == SystemItemTypes.Category && (parentID.HasValue ? i.ParentID == parentID : i.ParentID == null)).
Select(i => i.SortOrder).
Max() :
0f) + 1000f;
subCategory.SortOrder = sortOrder;
userContext.Items.Add(subCategory);
userContext.SaveChanges();
parentID = subCategory.ID;
}
// process all of the subcategories under this (sub)category in the database
var subCategories = suggestionsContext.GalleryCategories.Where(gc => gc.ParentID == galleryCategory.ID);
foreach (var sc in subCategories)
InstallCategory(userContext, suggestionsContext, user, category, parentID, sc);
// process all the Activities under this (sub)category
var activities = suggestionsContext.GalleryActivities.Where(ga => ga.CategoryID == galleryCategory.ID);
foreach (var activity in activities)
InstallActivity(userContext, suggestionsContext, category, parentID, activity);
}
catch (Exception ex)
{
TraceLog.TraceException("InstallCategory failed", ex);
return result;
}
return result;
}
public StepProcessor(User user, UserStorageContext storage)
{
this.user = user;
this.storage = storage;
}
public ClientUserFolder(UserStorageContext storage)
{
this.storage = storage;
}
public NextStepsDataModel(BaseResource resource)
{
this.storageContext = resource.StorageContext;
this.currentUser = resource.CurrentUser;
}
public bool GetUserInfo(User user, UserStorageContext storage)
{
// store user information from Facebook in UserProfile
UserProfile userProfile = storage.ClientFolder.GetUserProfile(user);
if (userProfile == null)
{
TraceLog.TraceError("Could not access UserProfile to import Google information into.");
return false;
}
try
{ // import information about the current user
var settings = this.CalendarSettings;
if (userProfile.Timezone == null)
{
var olsonTZ = settings.Items.FirstOrDefault(i => i.Id == "timezone").Value;
var tzinfo = OlsonTimeZoneToTimeZoneInfo(olsonTZ);
userProfile.Timezone = tzinfo.Id;
userProfile.TimezoneHoursOffset = tzinfo.BaseUtcOffset.Hours.ToString();
}
storage.SaveChanges();
TraceLog.TraceInfo("Imported Google information into UserProfile");
}
catch (Exception ex)
{
TraceLog.TraceException("Google query for basic User information failed", ex);
return false;
}
return true;
}
public ServerUserFolder(UserStorageContext storage)
{
this.storage = storage;
}
private static string NextStepsList(User user, UserStorageContext userContext)
{
// get steps with duedates
var steps = userContext.Items.Include("FieldValues").Where(i =>
i.UserID == user.ID &&
i.ItemTypeID == SystemItemTypes.Step &&
i.Status == StatusTypes.Active &&
i.FieldValues.Any(fv => fv.FieldName == FieldNames.DueDate)).
ToList();
// create an ordered list of steps that have a duedate on or before today
var stepList = new List<StepInfo>();
DateTime date;
foreach (var s in steps)
if (DateTime.TryParse(s.GetFieldValue(FieldNames.DueDate).Value, out date) && date.Date <= DateTime.Today)
stepList.Add(new StepInfo() { Name = s.Name, Date = date });
var orderedSteps = stepList.OrderBy(s => s.Date);
// build a string that contains a step in "date: name" format for each step
var sb = new StringBuilder();
foreach (var s in orderedSteps)
sb.AppendFormat("{0}: {1}\n", s.Date.ToString("MMM dd"), s.Name);
var stepString = sb.ToString();
return stepString;
}
public NextStepsDataModel(User user, UserStorageContext storage)
{
this.storageContext = storage;
this.currentUser = user;
}