BH, Helferfunktionen, CHAT Refactor!!!!!!

This commit is contained in:
2026-02-20 13:08:45 +01:00
parent 1256a2aa64
commit 34f124916b
12 changed files with 401 additions and 82 deletions

View File

@@ -308,7 +308,7 @@ Public Class cMessenger
Next
Me.LOAD_MEMBERS()
If dateTmp Is Nothing Then
Me.LOAD_MESSAGES(topMax)
Me.LOAD_MESSAGES_NEW(topMax)
Else
Me.LOAD_MESSAGES_DATE(dateTmp)
End If
@@ -346,7 +346,7 @@ Public Class cMessenger
Me.LOAD_MEMBERS()
If dateTmp Is Nothing Then
Me.LOAD_MESSAGES()
Me.LOAD_MESSAGES_NEW()
Else
Me.LOAD_MESSAGES_DATE(dateTmp)
End If
@@ -415,9 +415,9 @@ Public Class cMessenger
cmd.Parameters.AddWithValue("@top", top)
Dim dr = cmd.ExecuteReader()
While dr.Read
Dim MSG As New cMessenger_ChatMessages(dr.Item("chatMg_id")) ' ----> 100 messages = 101 SQL calls
'Dim MSG As New cMessenger_ChatMessages(dr.Item("chatMg_id")) ' ----> 100 messages = 101 SQL calls
'Hier werden die einzelnen MSg-Obj nicht mehr per SQL geladen, sondern direkt als Objekt übergeben -> schneller!
'Dim MSG As New cMessenger_ChatMessages(dr.Item("chatMg_id"), dr.Item("chatMg_maId"), dr.Item("chatMg_datetime"), dr.Item("chatMg_maName"), dr.Item("chatMg_maFirma"), dr.Item("chatMg_type"), dr.Item("chatMg_text"), IIf(IsDBNull(dr.Item("chatMg_anhang_docId")), Nothing, dr.Item("chatMg_anhang_docId")), IIf(IsDBNull(dr.Item("chatMg_referenz_AvisoId")), Nothing, dr.Item("chatMg_referenz_AvisoId")), IIf(IsDBNull(dr.Item("chatMg_referenz_SendungsId")), Nothing, dr.Item("chatMg_referenz_SendungsId")), dr.Item("chatMg_referenz_KundenNr")) 'Me.chat_id, dr.Item("chatMb_maId")) 'yxc
Dim MSG As New cMessenger_ChatMessages(dr.Item("chatMg_id"), dr.Item("chatMg_chatId"), dr.Item("chatMg_maId"), dr.Item("chatMg_datetime"), dr.Item("chatMg_maName"), dr.Item("chatMg_maFirma"), dr.Item("chatMg_type"), dr.Item("chatMg_text"), IIf(IsDBNull(dr.Item("chatMg_anhang_docId")), Nothing, dr.Item("chatMg_anhang_docId")), IIf(IsDBNull(dr.Item("chatMg_referenz_AvisoId")), Nothing, dr.Item("chatMg_referenz_AvisoId")), IIf(IsDBNull(dr.Item("chatMg_referenz_SendungsId")), Nothing, dr.Item("chatMg_referenz_SendungsId")), dr.Item("chatMg_referenz_KundenNr")) 'Me.chat_id, dr.Item("chatMb_maId")) 'yxc
Me.CHAT_MESSAGES.Add(MSG)
End While
dr.Close()
@@ -431,6 +431,64 @@ Public Class cMessenger
End Try
End Sub
Public Sub LOAD_MESSAGES_NEW(Optional top As Integer = 100)
Try
Me.CHAT_MESSAGES.Clear()
Using conn As SqlConnection = SQL.GetNewOpenConnectionADMIN()
Using cmd As New SqlCommand(
"SELECT TOP (@top) chatMg_id, chatMg_chatId, chatMg_maId, chatMg_maName, chatMg_maFirma, chatMg_datetime, chatMg_type, chatMg_text, chatMg_anhang_docId, chatMg_referenz_AvisoId, chatMg_referenz_SendungsId, chatMg_referenz_KundenNr
FROM tblMessenger_ChatMessages
WHERE chatMg_chatId = @chat_id
ORDER BY chatMg_datetime DESC", conn)
cmd.Parameters.AddWithValue("@chat_id", chat_id)
cmd.Parameters.AddWithValue("@top", top)
Using dr As SqlDataReader = cmd.ExecuteReader()
While dr.Read()
Dim chatMg_id As Integer? = SafeInt(dr("chatMg_id"))
Dim chatMg_chatId As Integer? = SafeInt(dr("chatMg_chatId"))
Dim chatMg_maId As Integer? = SafeInt(dr("chatMg_maId"))
Dim chatMg_type As String = If(IsDBNull(dr("chatMg_type")), "", dr("chatMg_type").ToString())
Dim chatMg_anhang_docId As Integer? = SafeInt(dr("chatMg_anhang_docId"))
Dim chatMg_referenz_AvisoId As Integer? = SafeInt(dr("chatMg_referenz_AvisoId"))
Dim chatMg_referenz_SendungsId As Integer? = SafeInt(dr("chatMg_referenz_SendungsId"))
Dim chatMg_datetime As DateTime = If(IsDBNull(dr("chatMg_datetime")), DateTime.MinValue, Convert.ToDateTime(dr("chatMg_datetime")))
Dim chatMg_maName As String = If(IsDBNull(dr("chatMg_maName")), "", dr("chatMg_maName").ToString())
Dim chatMg_maFirma As String = If(IsDBNull(dr("chatMg_maFirma")), "", dr("chatMg_maFirma").ToString())
Dim chatMg_text As String = If(IsDBNull(dr("chatMg_text")), "", dr("chatMg_text").ToString())
Dim chatMg_referenz_KundenNr As String = If(IsDBNull(dr("chatMg_referenz_KundenNr")), "", dr("chatMg_referenz_KundenNr").ToString())
' Message-Objekt direkt erstellen
Dim MSG As New cMessenger_ChatMessages(dr.Item("chatMg_id"), dr.Item("chatMg_chatId"), dr.Item("chatMg_maId"), dr.Item("chatMg_datetime"), dr.Item("chatMg_maName"), dr.Item("chatMg_maFirma"), dr.Item("chatMg_type"), dr.Item("chatMg_text"), IIf(IsDBNull(dr.Item("chatMg_anhang_docId")), Nothing, dr.Item("chatMg_anhang_docId")), IIf(IsDBNull(dr.Item("chatMg_referenz_AvisoId")), Nothing, dr.Item("chatMg_referenz_AvisoId")), IIf(IsDBNull(dr.Item("chatMg_referenz_SendungsId")), Nothing, dr.Item("chatMg_referenz_SendungsId")), dr.Item("chatMg_referenz_KundenNr"))
Me.CHAT_MESSAGES.Add(MSG)
End While
End Using
End Using
End Using
' Nachrichten umdrehen, damit älteste zuerst angezeigt werden
Me.CHAT_MESSAGES.Reverse()
Catch ex As Exception
MsgBox("Fehler in LOAD_MESSAGES: " & vbNewLine & ex.Message & vbNewLine & ex.StackTrace)
End Try
End Sub
Private Function SafeInt(value As Object) As Integer?
If IsDBNull(value) Then Return Nothing
Dim s As String = value.ToString().Trim()
Dim result As Integer
If Integer.TryParse(s, result) Then
Return result
Else
Return Nothing
End If
End Function
Public Sub LOAD_MESSAGES_DATE(dateTmp As Date)
Try
Me.CHAT_MESSAGES.Clear()
@@ -442,9 +500,9 @@ Public Class cMessenger
While dr.Read
Dim MSG As New cMessenger_ChatMessages(dr.Item("chatMg_id")) '----> 100 messages = 101 SQL calls
'Dim MSG As New cMessenger_ChatMessages(dr.Item("chatMg_id")) '----> 100 messages = 101 SQL calls
'Hier werden die einzelnen MSg-Obj nicht mehr per SQL geladen, sondern direkt als Objekt übergeben -> schneller!
'Dim MSG As New cMessenger_ChatMessages(dr.Item("chatMg_id"), dr.Item("chatMg_maId"), dr.Item("chatMg_datetime"), dr.Item("chatMg_maName"), dr.Item("chatMg_maFirma"), dr.Item("chatMg_type"), dr.Item("chatMg_text"), IIf(IsDBNull(dr.Item("chatMg_anhang_docId")), Nothing, dr.Item("chatMg_anhang_docId")), IIf(IsDBNull(dr.Item("chatMg_referenz_AvisoId")), Nothing, dr.Item("chatMg_referenz_AvisoId")), IIf(IsDBNull(dr.Item("chatMg_referenz_SendungsId")), Nothing, dr.Item("chatMg_referenz_SendungsId")), dr.Item("chatMg_referenz_KundenNr")) 'Me.chat_id, dr.Item("chatMb_maId")) 'yxc
Dim MSG As New cMessenger_ChatMessages(dr.Item("chatMg_id"), dr.Item("chatMg_chatId"), dr.Item("chatMg_maId"), dr.Item("chatMg_datetime"), dr.Item("chatMg_maName"), dr.Item("chatMg_maFirma"), dr.Item("chatMg_type"), dr.Item("chatMg_text"), IIf(IsDBNull(dr.Item("chatMg_anhang_docId")), Nothing, dr.Item("chatMg_anhang_docId")), IIf(IsDBNull(dr.Item("chatMg_referenz_AvisoId")), Nothing, dr.Item("chatMg_referenz_AvisoId")), IIf(IsDBNull(dr.Item("chatMg_referenz_SendungsId")), Nothing, dr.Item("chatMg_referenz_SendungsId")), dr.Item("chatMg_referenz_KundenNr")) 'Me.chat_id, dr.Item("chatMb_maId")) 'yxc
Me.CHAT_MESSAGES.Add(MSG)
End While
@@ -780,7 +838,8 @@ Public Class cMessenger
Me.chatMg_maId = chatMg_maId
End Sub
Sub New(chatMg_chatId, chatMg_maId, chatMg_datetime, chatMg_maName, chatMg_maFirma, chatMg_type, chatMg_text, chatMg_anhang_docId, chatMg_referenz_AvisoId, chatMg_referenz_SendungsId, chatMg_referenz_KundenNr)
Sub New(chatMg_id, chatMg_chatId, chatMg_maId, chatMg_datetime, chatMg_maName, chatMg_maFirma, chatMg_type, chatMg_text, chatMg_anhang_docId, chatMg_referenz_AvisoId, chatMg_referenz_SendungsId, chatMg_referenz_KundenNr)
Me.chatMg_id = chatMg_id
Me.chatMg_chatId = chatMg_chatId
Me.chatMg_maId = chatMg_maId
Me.chatMg_datetime = chatMg_datetime