/// <summary>
/// 回傳主題討論或留言的結果
/// </summary>
/// <param name="memberInfo"></param>
/// <param name="eventId"></param>
/// <param name="commentOuterKey"></param>
/// <returns></returns>
private DiscussionUpdateLikeInfo CancelLike(Member memberInfo, Guid eventId, string commentOuterKey)
{
var result = new DiscussionUpdateLikeInfo();
//針對留言按讚
if (commentOuterKey != null && commentOuterKey != string.Empty)
{
var db = _uow.DbContext;
var commentEventId = Utility.OuterKeyHelper.CheckOuterKey(commentOuterKey);
if (commentEventId.HasValue == false)
{
return(null);
}
//處理按讚資訊
UnLikeDbProxy(memberInfo, commentEventId.Value);
var commentInfo = db.ActModuleMessage.FirstOrDefault(t => t.OuterKey == commentEventId.Value);
//判斷是否為回覆[ true 是回覆 | false 是留言]
var checkReply = (commentInfo.Parent != null && commentInfo.Parent != 0) ? true : false;
result.MessageEnum = checkReply ? 3 : 2;
result.CommentOuterKey = checkReply ?
Utility.OuterKeyHelper.GuidToPageToken(db.ActModuleMessage.FirstOrDefault(t => t.Id == commentInfo.Parent).OuterKey) :
Utility.OuterKeyHelper.GuidToPageToken(commentEventId.Value);
result.ReplyOuterKey = checkReply ? commentOuterKey.ToString() : null;
}
//針對主題討論按讚
else
{
UnLikeDbProxy(memberInfo, eventId);
result.MessageEnum = 1;
}
return(result);
}
/// <summary>
/// 變更按讚狀態
/// </summary>
/// <param name="memberInfo">按讚者資訊</param>
/// <param name="activityOuterKey">主題討論代碼</param>
/// <param name="commentOuterKey">留言代碼 / 回覆代碼</param>
/// <returns></returns>
public DiscussionUpdateLikeInfo SwitchLike(Member memberInfo, string activityOuterKey, string commentOuterKey)
{
lock (lockObject)
{
var db = _uow.DbContext;
var result = new DiscussionUpdateLikeInfo();
//主題討論的代碼
var eventId = Utility.OuterKeyHelper.CheckOuterKey(activityOuterKey);
if (eventId.HasValue == false)
{
return(null);
}
//查出按讚列表
var checkLikeArray = (commentOuterKey != null && commentOuterKey != string.Empty) ? GetLikeArrayByOuterKey(commentOuterKey) : GetLikeArrayByEventId(eventId.Value);
result.ActivityOuterKey = activityOuterKey;
//要按讚
if (checkLikeArray.FirstOrDefault(t => t == memberInfo.Account) == null)
{
var proxy = DoLike(memberInfo, eventId.Value, commentOuterKey);
if (proxy != null)
{
result.MessageEnum = proxy.MessageEnum;
result.CommentOuterKey = proxy.CommentOuterKey;
result.ReplyOuterKey = proxy.ReplyOuterKey;
result.IsLike = true;
//加按讚者
checkLikeArray.Add(memberInfo.Account);
}
}
//取消讚
else
{
var proxy = CancelLike(memberInfo, eventId.Value, commentOuterKey);
if (proxy != null)
{
var arrayProxy = checkLikeArray.ToList();
arrayProxy.Remove(memberInfo.Account.ToLower());
//去掉按讚者
checkLikeArray = arrayProxy;
result.MessageEnum = proxy.MessageEnum;
result.CommentOuterKey = proxy.CommentOuterKey;
result.ReplyOuterKey = proxy.ReplyOuterKey;
result.IsLike = false;
}
}
db.SaveChanges();
result.LikeArray = checkLikeArray.ToArray();
return(result);
}
}