SCrawler/SCrawler/API/UserDataBind.vb

' Copyright (C) 2022  Andy
' This program is free software: you can redistribute it and/or modify
' it under the terms of the GNU General Public License as published by
' the Free Software Foundation, either version 3 of the License, or
' (at your option) any later version.
'
' This program is distributed in the hope that it will be useful,
' but WITHOUT ANY WARRANTY
Imports PersonalUtilities.Tools
Imports System.Threading
Imports SCrawler.API.Base
Namespace API
    Friend Class UserDataBind : Inherits UserDataBase : Implements ICollection(Of IUserData), IMyEnumerator(Of IUserData)
        Friend Event OnCollectionSelfRemoved()
#Region "Declarations"
        Friend Overrides Property Site As Sites = Sites.Undefined
        Friend ReadOnly Property Collections As List(Of IUserData)
        Private _CollectionName As String = String.Empty
        Friend Overrides Property CollectionName As String
            Get
                If Count > 0 Then
                    Return Collections(0).CollectionName
                Else
                    Return _CollectionName
                End If
            End Get
            Set(ByVal NewName As String)
                ChangeCollectionName(NewName, True)
            End Set
        End Property
        Friend Overrides Property Name As String
            Get
                Return CollectionName
            End Get
            Set(ByVal NewCollectionName As String)
                CollectionName = NewCollectionName
            End Set
        End Property
        Friend Overrides Property UserExists As Boolean
            Get
                Return Count > 0 AndAlso Collections.Exists(Function(c) c.Exists)
            End Get
            Set(ByVal e As Boolean)
            End Set
        End Property
        Friend Overrides Property UserSuspended As Boolean
            Get
                Return Count > 0 AndAlso Collections.LongCount(Function(c) c.Suspended) = Count
            End Get
            Set(ByVal s As Boolean)
            End Set
        End Property
        Friend Overrides Sub ChangeCollectionName(ByVal NewName As String, ByVal UpdateSettings As Boolean)
            _CollectionName = NewName
            If Count > 0 Then Collections.ForEach(Sub(c) c.CollectionName = NewName)
        End Sub
        Friend Overrides Property FriendlyName As String
            Get
                If Count > 0 Then
                    Return Collections(0).FriendlyName
                Else
                    Return String.Empty
                End If
            End Get
            Set(ByVal NewName As String)
                If Count > 0 Then Collections.ForEach(Sub(c)
                                                          c.FriendlyName = NewName
                                                          c.UpdateUserInformation()
                                                      End Sub)
            End Set
        End Property
#Region "Images"
        Friend Overrides Sub SetPicture(ByVal f As SFile)
            If Count > 0 Then Collections.ForEach(Sub(c) c.SetPicture(f))
        End Sub
        Friend Overrides Function GetUserPicture() As Image
            If Count > 0 Then
                Return Collections(0).GetPicture
            Else
                Return GetNullPicture(Settings.MaxLargeImageHeigh)
            End If
        End Function
#End Region
        Friend Overrides ReadOnly Property DownloadedTotal(Optional ByVal Total As Boolean = True) As Integer
            Get
                If Count > 0 Then
                    Return Collections.Select(Function(u) u.DownloadedTotal(Total)).Sum
                Else
                    Return 0
                End If
            End Get
        End Property
        Friend ReadOnly Property Count As Integer Implements ICollection(Of IUserData).Count, IMyEnumerator(Of IUserData).MyEnumeratorCount
            Get
                If Collections Is Nothing Then
                    Return 0
                Else
                    Return Collections.Count
                End If
            End Get
        End Property
        Friend Overrides Property MyFile As SFile
            Get
                If Count > 0 Then Return Collections(0).File Else Return Nothing
            End Get
            Set(ByVal NewFile As SFile)
            End Set
        End Property
        Friend Overrides Property FileExists As Boolean
            Get
                If Count > 0 Then
                    Return Collections.Exists(Function(c) c.FileExists)
                Else
                    Return False
                End If
            End Get
            Set(ByVal IsExists As Boolean)
            End Set
        End Property
        Friend Overrides Property DataMerging As Boolean
            Get
                If Count > 0 Then
                    Return DirectCast(Collections(0).Self, UserDataBase).DataMerging
                Else
                    Return False
                End If
            End Get
            Set(ByVal IsMerged As Boolean)
                MergeData(IsMerged)
            End Set
        End Property
        Friend Overrides Property HasError As Boolean
            Get
                Return MyBase.HasError Or (Count > 0 AndAlso Collections.Exists(Function(c) c.HasError))
            End Get
            Set(ByVal __HasError As Boolean)
                MyBase.HasError = __HasError
                If Count > 0 Then Collections.ForEach(Sub(c) c.HasError = False)
            End Set
        End Property
        Friend Overrides Property Temporary As Boolean
            Get
                If Count > 0 Then
                    Return Collections(0).Temporary
                Else
                    Return False
                End If
            End Get
            Set(ByVal Temp As Boolean)
                Collections.ForEach(Sub(c) c.Temporary = Temp)
                UpdateUserInformation()
            End Set
        End Property
        Friend Overrides Property Favorite As Boolean
            Get
                If Count > 0 Then
                    Return Collections(0).Favorite
                Else
                    Return False
                End If
            End Get
            Set(ByVal Fav As Boolean)
                Collections.ForEach(Sub(c) c.Favorite = Fav)
                UpdateUserInformation()
            End Set
        End Property
        Friend Overrides Property ReadyForDownload As Boolean
            Get
                Return Count > 0 AndAlso Collections(0).ReadyForDownload
            End Get
            Set(ByVal IsReady As Boolean)
                If Count > 0 Then Collections.ForEach(Sub(c) c.ReadyForDownload = IsReady)
            End Set
        End Property
        Friend Overrides ReadOnly Property Labels As List(Of String)
            Get
                If Count > 0 Then
                    Return ListAddList(Nothing, Collections.SelectMany(Function(c) c.Labels), LAP.NotContainsOnly)
                Else
                    Return New List(Of String)
                End If
            End Get
        End Property
        Friend Overrides Function GetUserInformation() As String
            Dim OutStr$ = String.Empty
            If Count > 0 Then Collections.ForEach(Sub(c) OutStr.StringAppendLine(DirectCast(c.Self, UserDataBase).GetUserInformation(), $"{vbCrLf}{vbCrLf}"))
            Return OutStr
        End Function
        Friend Overrides Property LastUpdated As Date?
            Get
                If Count > 0 Then
                    With If((From c In Collections
                             Where DirectCast(c.Self, UserDataBase).LastUpdated.HasValue
                             Select DirectCast(c.Self, UserDataBase).LastUpdated.Value).ToList, New List(Of Date))
                        If .Count > 0 Then Return .Max
                    End With
                End If
                Return Nothing
            End Get
            Set(ByVal NewDate As Date?)
            End Set
        End Property
        Friend Overrides ReadOnly Property FitToAddParams As Boolean
            Get
                Return Count > 0 AndAlso Collections.Exists(Function(c) c.FitToAddParams)
            End Get
        End Property
#Region "Context buttons"
        Friend ReadOnly Property ContextDown As ToolStripMenuItem()
            Get
                If Count > 0 Then
                    Return Collections.Select(Function(c) DirectCast(c.Self, UserDataBase).BTT_CONTEXT_DOWN).ToArray
                Else
                    Return New ToolStripMenuItem() {}
                End If
            End Get
        End Property
        Friend ReadOnly Property ContextEdit As ToolStripMenuItem()
            Get
                If Count > 0 Then
                    Return Collections.Select(Function(c) DirectCast(c.Self, UserDataBase).BTT_CONTEXT_EDIT).ToArray
                Else
                    Return New ToolStripMenuItem() {}
                End If
            End Get
        End Property
        Friend ReadOnly Property ContextDelete As ToolStripMenuItem()
            Get
                If Count > 0 Then
                    Return Collections.Select(Function(c) DirectCast(c.Self, UserDataBase).BTT_CONTEXT_DELETE).ToArray
                Else
                    Return New ToolStripMenuItem() {}
                End If
            End Get
        End Property
        Friend ReadOnly Property ContextPath As ToolStripMenuItem()
            Get
                If Count > 0 Then
                    Return Collections.Select(Function(c) DirectCast(c.Self, UserDataBase).BTT_CONTEXT_OPEN_PATH).ToArray
                Else
                    Return New ToolStripMenuItem() {}
                End If
            End Get
        End Property
        Friend ReadOnly Property ContextSite As ToolStripMenuItem()
            Get
                If Count > 0 Then
                    Return Collections.Select(Function(c) DirectCast(c.Self, UserDataBase).BTT_CONTEXT_OPEN_SITE).ToArray
                Else
                    Return New ToolStripMenuItem() {}
                End If
            End Get
        End Property
#End Region
#End Region
        Friend Sub New()
            _IsCollection = True
            Collections = New List(Of IUserData)
            'ImageHandler(Me, True)
        End Sub
        Friend Sub New(ByVal _Name As String)
            Me.New
            CollectionName = _Name
        End Sub
        Friend Overrides Sub LoadUserInformation()
            If Count > 0 Then Collections.ForEach(Sub(c) c.LoadUserInformation())
        End Sub
        Friend Overrides Sub UpdateUserInformation()
            If Count > 0 Then Collections.ForEach(Sub(c) c.UpdateUserInformation())
        End Sub
        Friend Overrides Sub LoadContentInformation()
            If Count > 0 Then Collections.ForEach(Sub(c) DirectCast(c.Self, UserDataBase).LoadContentInformation())
        End Sub
        Friend Overrides Property DownloadTopCount As Integer?
            Get
                If Count > 0 Then
                    Return Collections(0).DownloadTopCount
                Else
                    Return Nothing
                End If
            End Get
            Set(ByVal NewLimit As Integer?)
                If Count > 0 Then Collections.ForEach(Sub(c) c.DownloadTopCount = NewLimit)
            End Set
        End Property
        Friend Overrides Sub DownloadData(ByVal Token As CancellationToken)
            If Count > 0 Then Downloader.AddRange(Collections)
        End Sub
        Protected Overrides Sub DownloadDataF(ByVal Token As CancellationToken)
        End Sub
        Protected Overrides Sub ReparseVideo(ByVal Token As CancellationToken)
        End Sub
        Protected Overrides Sub DownloadContent(ByVal Token As CancellationToken)
        End Sub
        Private Sub User_OnUserUpdated(ByVal User As IUserData)
            Raise_OnUserUpdated()
        End Sub
        Friend Overrides Sub OpenSite()
            If Count > 0 Then Collections(0).OpenSite()
        End Sub
        Friend Overrides Sub OpenFolder()
            Try
                If Count > 0 Then Collections(0).File.CutPath(2).Open(SFO.Path, EDP.None)
            Catch ex As Exception
            End Try
        End Sub
#Region "ICollection Support"
        Default Friend ReadOnly Property Item(ByVal Index As Integer) As IUserData Implements IMyEnumerator(Of IUserData).MyEnumeratorObject
            Get
                Return Collections(Index)
            End Get
        End Property
        Private ReadOnly Property IsReadOnly As Boolean Implements ICollection(Of IUserData).IsReadOnly
            Get
                Return False
            End Get
        End Property
        ''' <exception cref="InvalidOperationException"></exception>
        Friend Overloads Sub Add(ByVal _Item As IUserData) Implements ICollection(Of IUserData).Add
            With _Item
                If .MoveFiles(CollectionName) Then
                    If DataMerging Then DirectCast(.Self, UserDataBase).MergeData()
                    Collections.Add(_Item)
                    With Collections.Last
                        If Collections.Count - 1 > 0 Then
                            .Temporary = Temporary
                            .Favorite = Favorite
                            .UpdateUserInformation()
                        End If
                        ImageHandler(_Item, False)
                        AddHandler .Self.OnUserUpdated, AddressOf User_OnUserUpdated
                        DirectCast(.Self, UserDataBase).CreateButtons(Count - 1)
                    End With
                Else
                    Throw New InvalidOperationException("User data doe not move to the collection folder")
                End If
            End With
        End Sub
        ''' <summary>FOR SETTINGS START LOADING ONLY</summary>
        Friend Overloads Sub Add(ByVal u As UserInfo, Optional ByVal _LoadData As Boolean = True)
            Select Case u.Site
                Case Sites.Reddit : Collections.Add(New Reddit.UserData(u, _LoadData))
                Case Sites.Twitter : Collections.Add(New Twitter.UserData(u, _LoadData))
                Case Else : Exit Sub
            End Select
            With DirectCast(Collections.Last.Self, UserDataBase)
                .CreateButtons(Count - 1)
                AddHandler .BTT_CONTEXT_DELETE.Click, AddressOf BTT_CONTEXT_DELETE_Click
            End With
            AddHandler Collections.Last.OnUserUpdated, AddressOf User_OnUserUpdated
        End Sub
        Friend Sub AddRange(ByVal _Items As IEnumerable(Of IUserData))
            If Not _Items Is Nothing AndAlso _Items.Count > 0 Then
                For i% = 0 To _Items.Count - 1 : Add(_Items(i)) : Next
            End If
        End Sub
        Friend Overrides Function MoveFiles(ByVal __CollectionName As String) As Boolean
            Throw New NotImplementedException("Files moving does not available if collection context")
        End Function
        Friend Overloads Sub MergeData(ByVal Merging As Boolean)
            If Count > 0 Then
                If Merging Then
                    If DataMerging Then
                        MsgBoxE($"Collection [{CollectionName}] data already merged")
                    Else
                        If Collections.Count > 1 Then
                            Collections.ForEach(Sub(c) DirectCast(c.Self, UserDataBase).MergeData())
                            MsgBoxE($"Collection [{CollectionName}] data merged")
                        Else
                            MsgBoxE($"Collection [{CollectionName}] contains only one user profile" & vbCr &
                                    "Data merging available from two and more profiles in collection!", MsgBoxStyle.Exclamation)
                        End If
                    End If
                Else
                    If DataMerging Then
                        MsgBoxE($"Collection [{CollectionName}] data is already merged" & vbCr &
                                "Combined data can not be undone", MsgBoxStyle.Critical)
                    Else
                        MsgBoxE($"Collection [{CollectionName}] data was never merged")
                    End If
                End If
            End If
        End Sub
        Friend Sub Clear() Implements ICollection(Of IUserData).Clear
            Collections.ListClearDispose
        End Sub
        Friend Function Contains(ByVal _Item As IUserData) As Boolean Implements ICollection(Of IUserData).Contains
            Return Collections.Contains(_Item)
        End Function
        Private Sub CopyTo(ByVal _Array() As IUserData, ByVal _ArrayIndex As Integer) Implements ICollection(Of IUserData).CopyTo
            Throw New NotImplementedException("[CopyTo] method does not supported in collections context")
        End Sub
        Friend Function Remove(ByVal _Item As IUserData) As Boolean Implements ICollection(Of IUserData).Remove
            If DataMerging Then
                MsgBoxE($"Collection [{CollectionName}] data is already merged" & vbCr &
                        "Combined data can not be undone" & vbCr &
                        "Operation canceled", MsgBoxStyle.Critical)
                Return False
            Else
                DirectCast(_Item.Self, UserDataBase).MoveFiles(String.Empty)
                ImageHandler(_Item)
                Return Collections.Remove(_Item)
            End If
        End Function
        Friend Overrides Function Delete() As Integer
            If Count > 0 Then
                Dim f As SFile
                If MsgBoxE({$"Collection may contain data{vbCr}Do you really want to delete collection and all of it files?", "Collection deleting"},
                           MsgBoxStyle.Exclamation + MsgBoxStyle.YesNo) = MsgBoxResult.Yes Then
                    f = Collections(0).File.CutPath(IIf(DataMerging, 1, 2)).PathWithSeparator
                    Settings.Users.Remove(Me)
                    Collections.ForEach(Sub(c) c.Delete())
                    Downloader.UserRemove(Me)
                    ImageHandler(Me, False)
                    Collections.ListClearDispose
                    Dispose(False)
                    If f.Exists(SFO.Path, False) Then f.Delete(SFO.Path, True, False, EDP.SendInLog)
                    Return 2
                Else
                    If DataMerging Then
                        MsgBoxE($"Collection [{CollectionName}] data are already merged{vbCr}Cannot split merged collection{vbCr}Operation canceled", MsgBoxStyle.Exclamation)
                        Return 0
                    End If
                    If MsgBoxE({$"Do you want to delete collection only?{vbCr}Users will not be deleted", "Collection deleting"},
                               MsgBoxStyle.Question + MsgBoxStyle.YesNo) = MsgBoxResult.Yes Then
                        f = Collections(0).File.CutPath(2)
                        Settings.Users.Remove(Me)
                        Collections.ForEach(Sub(c)
                                                c.MoveFiles(String.Empty)
                                                ImageHandler(c)
                                            End Sub)
                        Collections.Clear()
                        f.Delete(SFO.Path,,, EDP.SendInLog)
                        Downloader.UserRemove(Me)
                        ImageHandler(Me, False)
                        Dispose(False)
                        Return 3
                    Else
                        MsgBoxE("Operation canceled")
                    End If
                End If
            End If
            Return 0
        End Function
        Private Sub BTT_CONTEXT_DELETE_Click(sender As Object, e As EventArgs)
            With DirectCast(sender, ToolStripMenuItem)
                Dim i% = AConvert(Of Integer)(.Tag, -1)
                If i >= 0 Then
                    Dim n$ = Collections(i).Name
                    Dim s$ = Collections(i).Site.ToString
                    If MsgBoxE({$"Do you really want to delete user profile [{n}] of site [{s}]?" & vbCr &
                                "This profile will be removed from collection and all data will be erased",
                                "Profile removing"}, MsgBoxStyle.Exclamation,,, {"Process", "Cancel"}) = 0 Then
                        Collections(i).Delete()
                        Collections(i).Dispose()
                        Collections.RemoveAt(i)
                        MsgBoxE($"User profile [{n}] of site [{s}] has been removed")
                        If Count = 0 Then
                            Settings.Users.Remove(Me)
                            ImageHandler(Me, False)
                            RaiseEvent OnCollectionSelfRemoved()
                            Dispose(False)
                        End If
                    Else
                        MsgBoxE("Operation canceled")
                    End If
                End If
            End With
        End Sub
#Region "IEnumerable Support"
        Private Function GetEnumerator() As IEnumerator(Of IUserData) Implements IEnumerable(Of IUserData).GetEnumerator
            Return New MyEnumerator(Of IUserData)(Me)
        End Function
        Private Function IEnumerable_GetEnumerator() As IEnumerator Implements IEnumerable.GetEnumerator
            Return GetEnumerator()
        End Function
#End Region
#End Region
        Friend Overrides Function CompareTo(ByVal Other As UserDataBase) As Integer
            If TypeOf Other Is UserDataBind Then
                Dim x% = CompareValue(Me)
                Dim y% = CompareValue(Other)
                If x.CompareTo(y) = 0 Then
                    Return CollectionName.CompareTo(Other.CollectionName)
                Else
                    Return x.CompareTo(y)
                End If
            Else
                Return -1
            End If
        End Function
        Friend Overrides Function CompareTo(ByVal Obj As Object) As Integer
            If TypeOf Obj Is UserDataBind Then
                Return CompareTo(DirectCast(Obj, UserDataBind))
            Else
                Return -1
            End If
        End Function
        Friend Overrides Function Equals(ByVal Other As UserDataBase) As Boolean
            If Other.IsCollection Then
                Return CollectionName = Other.CollectionName
            Else
                Return Count > 0 AndAlso Collections.Exists(Function(u) u.Equals(Other))
            End If
        End Function
#Region "IDisposable Support"
        Protected Overrides Sub Dispose(ByVal disposing As Boolean)
            If Not disposedValue Then
                If disposing Then Collections.ListClearDispose
            End If
            MyBase.Dispose(disposing)
        End Sub
#End Region
    End Class
End Namespace