/// <summary>
/// Turn the unprocessed data into keyed name-value pairs
/// </summary>
/// <returns></returns>
public static Dictionary<string, string> UnpackData(Activity activity)
{
if (activity == null)
{
throw new ApplicationException("Attempting to unpack activity data when no database record.");
}
var keyValuePairs = new Dictionary<string, string>();
// Form of data is "name=value,name=value" etc
var keyValuePairsRaw = activity.Data.Split(new[] { ',' });
var pattern = new Regex(RegexNameValue, RegexOptions.None);
foreach (var keyValuePairRaw in keyValuePairsRaw)
{
var match = pattern.Match(keyValuePairRaw);
if (match.Success)
{
keyValuePairs.Add(match.Groups[1].Value, match.Groups[2].Value);
}
}
return keyValuePairs;
}
/// <summary>
/// Constructor - useful when constructing a badge activity after reading database
/// </summary>
public MemberJoinedActivity(Activity activity, Member user)
{
ActivityMapped = activity;
User = user;
}
/// <summary>
/// Make a badge activity object from the more generic database activity object
/// </summary>
/// <param name="activity"></param>
/// <returns></returns>
private BadgeActivity GenerateBadgeActivity(Activity activity)
{
// Get the corresponding badge
var dataPairs = ActivityBase.UnpackData(activity);
if (!dataPairs.ContainsKey(AppConstants.KeyBadgeId))
{
// Log the problem then skip
AppHelpers.LogError(string.Format("A badge activity record with id '{0}' has no badge id in its data.", activity.Id));
return null;
}
var badgeId = dataPairs[AppConstants.KeyBadgeId];
var badge = ServiceFactory.BadgeService.Get(new Guid(badgeId));
if (badge == null)
{
// Log the problem then skip
AppHelpers.LogError(string.Format("A badge activity record with id '{0}' has a badge id '{1}' that is not found in the badge table.",
activity.Id, badgeId));
return null;
}
var userId = dataPairs[AppConstants.KeyUserId];
var user = ServiceFactory.MemberService.Get(Convert.ToInt32(userId));
if (user == null)
{
// Log the problem then skip
AppHelpers.LogError(string.Format("A badge activity record with id '{0}' has a user id '{1}' that is not found in the user table.",
activity.Id, userId));
return null;
}
return new BadgeActivity(activity, badge, user);
}
public void Delete(Activity item)
{
ContextPerRequest.Db.Activity.Remove(item);
}
/// <summary>
/// Add a new activity (expected id already assigned)
/// </summary>
/// <param name="newActivity"></param>
public Activity Add(Activity newActivity)
{
return ContextPerRequest.Db.Activity.Add(newActivity);
}
/// <summary>
/// Make a member joined activity object from the more generic database activity object
/// </summary>
/// <param name="activity"></param>
/// <returns></returns>
private MemberJoinedActivity GenerateMemberJoinedActivity(Activity activity)
{
var dataPairs = ActivityBase.UnpackData(activity);
if (!dataPairs.ContainsKey(AppConstants.KeyUserId))
{
// Log the problem then skip
AppHelpers.LogError(string.Format("A member joined activity record with id '{0}' has no user id in its data.", activity.Id));
return null;
}
var userId = dataPairs[AppConstants.KeyUserId];
var user = ServiceFactory.MemberService.Get(Convert.ToInt32(userId));
if (user == null)
{
// Log the problem then skip
AppHelpers.LogError(string.Format("A member joined activity record with id '{0}' has a user id '{1}' that is not found in the user table.",
activity.Id, userId));
return null;
}
return new MemberJoinedActivity(activity, user);
}
/// <summary>
/// Constructor - useful when constructing a badge activity after reading database
/// </summary>
public ProfileUpdatedActivity(Activity activity, Member user)
{
ActivityMapped = activity;
User = user;
}
/// <summary>
/// Constructor - useful when constructing a badge activity after reading database
/// </summary>
public BadgeActivity(Activity activity, Badge badge, Member user)
{
ActivityMapped = activity;
Badge = badge;
User = user;
}
