public ActionResult InstallCategory(GalleryCategory category)
{
var jsResult = new JsInstallResult();
object o = GalleryProcessor.InstallCategory(this.StorageContext, Storage.NewSuggestionsContext, this.CurrentUser, null, null, category);
if (o != null)
{
Folder folder = o as Folder;
Item item = o as Item;
if (folder != null) { jsResult.FolderID = folder.ID; }
if (item != null) { jsResult.FolderID = item.FolderID; jsResult.ItemID = item.ID; }
}
else
{
jsResult.StatusCode = HttpStatusCode.NotFound;
}
JsonResult result = new JsonResult();
result.Data = jsResult;
return result;
}
// 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;
}
static GalleryCategory CreateCategory(string dirname, int? parentID, ref int currID, bool inGallery)
{
bool cdBack = false;
const string prefix = @".\";
const string suffix = @".json";
try
{
Directory.SetCurrentDirectory(dirname);
cdBack = true;
// construct category name
string categoryName = dirname.StartsWith(prefix) ? dirname.Substring(prefix.Length) : dirname;
var index = categoryName.IndexOf('-');
if (index >= 0)
categoryName = categoryName.Substring(index + 1);
var galleryCategory = new GalleryCategory()
{
ID = currID++,
Name = categoryName,
ParentID = parentID,
InGallery = inGallery,
Activities = new List<GalleryActivity>(),
Subcategories = new List<GalleryCategory>()
};
foreach (var dir in Directory.EnumerateDirectories(@"."))
galleryCategory.Subcategories.Add(CreateCategory(dir, galleryCategory.ID, ref currID, inGallery));
foreach (var filename in Directory.EnumerateFiles(@".", @"*.json"))
{
using (var file = File.Open(filename, FileMode.Open, FileAccess.Read))
using (var reader = new StreamReader(file))
{
// strip ".\" off the beginning of the filename, and the ".json" extension
string activityName = filename.StartsWith(prefix) ? filename.Substring(prefix.Length) : filename;
activityName = activityName.Replace(suffix, "");
string activityDef = reader.ReadToEnd();
if (!String.IsNullOrEmpty(activityDef))
{
// crack the definition open and retrieve the name if available
var value = JObject.Parse(activityDef);
if (!String.IsNullOrEmpty((string)value["Name"]))
activityName = (string)value["Name"];
var filter = value["Filter"] != null ? value["Filter"].ToString() : null;
int activityID = 0;
try
{
activityID = value["ID"].Value<int>();
}
catch (Exception ex)
{
TraceLog.TraceException(String.Format("Activity definition for {0} is missing an ID", activityName), ex);
continue;
}
if (activityID <= 0)
{
TraceLog.TraceError(String.Format("Activity definition for {0} is missing an ID", activityName));
continue;
}
galleryCategory.Activities.Add(new GalleryActivity()
{
ID = activityID,
Name = activityName,
Definition = activityDef,
CategoryID = galleryCategory.ID,
InGallery = inGallery,
Filter = filter
});
}
}
}
cdBack = false;
Directory.SetCurrentDirectory(@"..");
return galleryCategory;
}
catch (Exception ex)
{
TraceLog.TraceException("Reading gallery failed", ex);
if (cdBack)
Directory.SetCurrentDirectory(@"..");
return null;
}
}