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Func: Program Update Checking - open for critiquing

4 posts in this topic

I wanted to post this here before putting it in the Examples forum to see if it's worth it, and also get some input since i'm no expert.

I have been using this for a long time but just recently cleaned it up a bit in preperation for public scrutiny :)

This is a somewhat elaborate function to check for a newer version of your (compiled) script, but it's looks decent (i think) and works well.

Procedure...

1) reads a file containing version information on remote server

2) compares it with local script version

3) offers to download file if newer one is available

4) if file is an installer, user can run the installer, else Explore the folder

Requirements...

* a web server

* a file on the server that contains nothing more than the version number of the newest version of your script

* a file to download (exe, installer, zip, etc.)

There is an example script at the bottom.

#include-once
#include <Misc.au3>
;#include <EditConstants.au3>
;#include <GUIConstantsEx.au3>
;#include <StaticConstants.au3>
;#include <WindowsConstants.au3>

; #FUNCTION# ====================================================================================================================
; Name ..........: _ProgramUpdateCheck
; Description ...: Check for a program update by comparing script version with version information contained in a text file on a
;                        remote server
; Syntax ........: _ProgramUpdateCheck($sName, $sVersionFile, $sReleaseNotes, $sFile, $iInstaller[, $iGui = 1])
; Parameters ....: $sName            - Friendly program name (ex. My Program)
;                 $sVersionFile    - network path to version file
;                 $sReleaseNotes    - network path to release notes
;                 $sFile            - network path to program file
;                 $iInstaller        - [1|0] Whether the file to be downloaded is an installer package.
;                 $iGui            - [optional] Whether to show the GUI with release notes and other information or update
;                                        silently. Default is 1.
; Return values .: Returns version string from remote server
; Author ........: iCode
; Modified ......: 04-DEC-2012
; Remarks .......: $sVersionFile should be a text file and must contain only a version string (example: 1.0.0.0).
;                   $sReleaseNotes is a text file containing whatever info you want about the new version.
;                   $sFile can be an installer or any other file type. If it is not an installer, option will not be given to
;                        install and, instead, user can open the folder containing the downloaded file in Explorer.
;                   $iGui - if 1, the GUI will shown along with other information. If 0, only the version information will be
;                        returned.
;
; Related .......:
; Link ..........:
; Example .......: Yes
; ===============================================================================================================================
Func _ProgramUpdateCheck($sName, $sVersionFile, $sReleaseNotes, $sFile, $iInstaller, $iGui = 1)

    If $iGui = 1 Then
        Local Const $ES_READONLY = 2048
        Local Const $GUI_DOCKRIGHT = 0x0004
        Local Const $GUI_DOCKTOP = 0x0020
        Local Const $GUI_DOCKBOTTOM = 0x0040
        Local Const $GUI_DOCKWIDTH = 0x0100
        Local Const $GUI_DOCKLEFT = 0x0002
        Local Const $GUI_DOCKHEIGHT = 0x0200
        Local Const $GUI_ENABLE = 64
        Local Const $GUI_DISABLE = 128
        Local Const $GUI_EVENT_CLOSE = -3
        Local Const $SS_CENTER = 0x1
        Local Const $WS_MINIMIZEBOX = 0x00020000
        Local Const $WS_CAPTION = 0x00C00000
        Local Const $WS_POPUP = 0x80000000
        Local Const $WS_SYSMENU = 0x00080000
        Local Const $WS_MAXIMIZEBOX = 0x00010000
        Local Const $WS_SIZEBOX = 0x00040000
        Local Const $WS_THICKFRAME = 0x00040000
        Local Const $WS_TABSTOP = 0x00010000
        Local Const $WS_VSCROLL = 0x00200000
        Local Const $GUI_SS_DEFAULT_GUI = BitOR($WS_MINIMIZEBOX, $WS_CAPTION, $WS_POPUP, $WS_SYSMENU)

        Local $hInet = 0, $count = 0, $iInfo, $sInet, $sFileName, $dirSavePath
        Local $appVersion = FileGetVersion(@ScriptFullPath)
        Local $GUIOnEventMode = Opt("GUIOnEventMode")
        Local $GUIEventOptions = Opt("GUIOnEventMode")

        Opt("GUIOnEventMode", 0)
        Opt("GUIEventOptions", 0)

        #region ### GUI ###

        Local $Form_Update = GUICreate($sName & " - Program Update Check", 775, 293, -1, -1, BitOR($GUI_SS_DEFAULT_GUI, $WS_MAXIMIZEBOX, $WS_SIZEBOX, $WS_THICKFRAME, $WS_TABSTOP))
        GUISetFont(10, 400, 0, "Arial")
        GUISetBkColor(0xFFFFFF)
        Local $Label_Status = GUICtrlCreateLabel("Checking for a newer version...", 8, 12, 501, 40, $SS_CENTER)
        GUICtrlSetResizing(-1, $GUI_DOCKLEFT + $GUI_DOCKRIGHT + $GUI_DOCKTOP + $GUI_DOCKHEIGHT)
        Local $Button_Cancel = GUICtrlCreateButton("Cancel", 520, 9, 79, 38)
        GUICtrlSetResizing(-1, $GUI_DOCKRIGHT + $GUI_DOCKTOP + $GUI_DOCKWIDTH + $GUI_DOCKHEIGHT)
        GUICtrlSetState(-1, $GUI_DISABLE)
        GUICtrlSetCursor(-1, 0)
        Local $Button_Download = GUICtrlCreateButton("Download", 604, 9, 79, 38)
        GUICtrlSetResizing(-1, $GUI_DOCKRIGHT + $GUI_DOCKTOP + $GUI_DOCKWIDTH + $GUI_DOCKHEIGHT)
        GUICtrlSetState(-1, $GUI_DISABLE)
        GUICtrlSetCursor(-1, 0)
        Local $Button_Install = GUICtrlCreateButton("Install", 688, 9, 79, 38)
        GUICtrlSetResizing(-1, $GUI_DOCKRIGHT + $GUI_DOCKTOP + $GUI_DOCKWIDTH + $GUI_DOCKHEIGHT)
        GUICtrlSetState(-1, $GUI_DISABLE)
        GUICtrlSetCursor(-1, 0)
        Local $Edit_ReleaseNotes = GUICtrlCreateEdit("", 8, 56, 766, 233, BitOR($ES_READONLY, $WS_VSCROLL), 0)
        GUICtrlSetData(-1, "Retrieving release notes...")
        GUICtrlSetFont(-1, 10, 400, 0, "Courier New")
        GUICtrlSetColor(-1, 0x696969)
        GUICtrlSetBkColor(-1, 0xFEFFFF)
        GUICtrlSetResizing(-1, $GUI_DOCKLEFT + $GUI_DOCKRIGHT + $GUI_DOCKTOP + $GUI_DOCKBOTTOM)
        GUICtrlCreateLabel("", 0, 55, 774, 1)
        GUICtrlSetBkColor(-1, 0xC0C0C0)
        GUICtrlSetResizing(-1, $GUI_DOCKLEFT + $GUI_DOCKRIGHT + $GUI_DOCKTOP + $GUI_DOCKHEIGHT)
        Local $Form_Update_AccelTable[1][2] = [["{ESC}", $Button_Cancel]]
        GUISetAccelerators($Form_Update_AccelTable)

        #endregion ### GUI ###

        ; set install button text according to file type
        If $iInstaller = 1 Then
            GUICtrlSetData($Button_Install, "Install")
        Else
            GUICtrlSetData($Button_Install, "Locate")
        EndIf

        GUISetState(@SW_SHOW, $Form_Update)
    EndIf

    Local $inetVersion = BinaryToString(InetRead($sVersionFile, 3)) ; read version file, ignore cached, ignore SSL errors

    If $iGui = 0 Then Return $inetVersion ; if we're updating silently, then no need to go further

    $sInet = BinaryToString(InetRead($sReleaseNotes, 3)) ; grab release notes
    If $sInet <> "" Then
        $sInet = StringRegExpReplace($sInet, "\n", @CRLF)
        GUICtrlSetData($Edit_ReleaseNotes, $sInet)
    Else
        GUICtrlSetData($Edit_ReleaseNotes, "Failed to retrieve the release notes." & @CRLF & @CRLF & _
                "There may be a temporary network problem or the server may not be responding. Please try again later.")
    EndIf

    GUICtrlSetState($Button_Cancel, $GUI_ENABLE)

    If $inetVersion = "" Then
        GUICtrlSetData($Label_Status, "Unable to retrieve the version information!")
    ElseIf _VersionCompare($inetVersion, $appVersion) = 1 Then
        GUICtrlSetData($Label_Status, "A newer version of " & $sName & " is available!" & @LF & "Your version: " & $appVersion & " Newest version: " & $inetVersion)
        GUICtrlSetState($Button_Download, $GUI_ENABLE)
    ElseIf $appVersion = $inetVersion Then
        GUICtrlSetData($Label_Status, "You already have the latest version of " & $sName & "!")
    ElseIf _VersionCompare($inetVersion, $appVersion) = -1 Then
        GUICtrlSetData($Label_Status, "Version out of range error!" & @LF & "Are you running a development build of " & $sName & " possibly?")
    Else
        GUICtrlSetData($Label_Status, "The Update check failed for an unspecified reason!")
    EndIf

    While 1

        Switch GUIGetMsg()

            Case $GUI_EVENT_CLOSE, $Button_Cancel

                ExitLoop

            Case $Button_Download

                $dirSavePath = FileSelectFolder("Select a location to save the file...", "", 3, "", $Form_Update)

                If Not FileExists($dirSavePath) Then ExitLoop

                GUICtrlSetState($Button_Download, $GUI_DISABLE)

                $sFileName = StringRegExpReplace($sFile, ".*/", "")
                GUICtrlSetData($Label_Status, "Preparing to download " & $sFileName & "...")
                $hInet = InetGet($sFile, $dirSavePath & "\" & $sFileName, 3, 1)

            Case $Button_Install

                If $iInstaller = 1 Then
                    Run($dirSavePath & "\" & $sFileName)
                    Exit
                Else
                    ShellExecute("explorer.exe", $dirSavePath)
                    GUIDelete($Form_Update)
                    Exit
                EndIf

        EndSwitch

        If $hInet > 0 Then
            Sleep(10)
            $count += 1

            If $count = 25 Then ; we'll update the status label roughly every 250 ms
                $count = 0

                ; InetGetInfo return values
                ; 0 - Bytes read so far (this is updated while the download progresses).
                ; 1 - The size of the download (this may not always be present).
                ; 2 - Set to True if the download is complete, False if the download is still ongoing.
                ; 3 - True if the download was successful. If this is False then the next data member will be non-zero.
                ; 4 - The error value for the download. The value itself is arbitrary. Testing that the value is non-zero is sufficient for determining if an error occurred.
                $iInfo = InetGetInfo($hInet)

                GUICtrlSetData($Label_Status, "Downloading file: " & $sFileName & @LF & "Bytes downloaded: " & $iInfo[0])

                If $iInfo[2] = True Then

                    InetClose($hInet)
                    $hInet = 0 ; prevent running "If $hInet > 0 Then" again

                    If $iInfo[3] = True Then
                        If FileExists($dirSavePath & "\" & $sFileName) Then
                            GUICtrlSetState($Button_Install, $GUI_ENABLE)
                            If $iInstaller = 1 Then
                                GUICtrlSetData($Label_Status, "Download complete!" & @LF & "Click Install to install the new version.")
                            Else
                                GUICtrlSetData($Label_Status, "Download complete!" & @LF & "Click Locate to open the folder containing " & $sFileName & ".")
                            EndIf
                        Else
                            GUICtrlSetData($Label_Status, "The file that was downloaded could not be found!")
                        EndIf
                    Else
                        GUICtrlSetData($Label_Status, "An error was encountered while downloading " & $sFileName & "!")
                    EndIf
                EndIf
            EndIf
        EndIf
    WEnd

    GUIDelete($Form_Update)

    Opt("GUIOnEventMode", $GUIOnEventMode)
    Opt("GUIEventOptions", $GUIEventOptions)

    Return $inetVersion

EndFunc   ;==>_ProgramUpdateCheck

Example...

; this script provides examples for both manual and automatic update checking
; run this script twice...
; - on the first exit an update version number will be written to config.ini
; - on the next startup, you will be notified if a newer version was found

#include "ProgramUpdateCheck.au3"
#include <ButtonConstants.au3>
#include <GUIConstantsEx.au3>
#include <WindowsConstants.au3>

; VARIABLES/CONSTANTS
Global Const $appName = "My Stellar App"
Global Const $appVersion = FileGetVersion(@ScriptFullPath)

; CONFIG.INI
Global Const $configIni = @ScriptDir & "\config.ini"
; update checking
Global $AutoUpdate = IniRead($configIni, "CONFIG", "AutoUpdate", 1)
Global $UpdateVersion = IniRead($configIni, "CONFIG", "UpdateVersion", "")

; UPDATE CHECKING
If $AutoUpdate = 1 And _VersionCompare($UpdateVersion, $appVersion) = 1 Then ; if auto-update is enabled and an update was found on last exit
    _UpdateCheck(1) ; [0|1] whether to show update GUI when updating, or update silently
EndIf

; GUI
Global $Form_Test = GUICreate($appName & " - " & $appVersion, 300, 100, -1, -1, -1, BitOR($WS_EX_TOOLWINDOW,$WS_EX_TOPMOST,$WS_EX_WINDOWEDGE))
Global $Button_Check = GUICtrlCreateButton("Update Check", 8, 8, 285, 85)

GUISetState(@SW_SHOW)

While 1

    Switch GUIGetMsg()

        Case $GUI_EVENT_CLOSE

            GUIDelete($Form_Test)

            ; auto check for updates if enabled
            If $AutoUpdate = 1 Then
                TraySetState(2)
                _UpdateCheck(0) ; [0|1] whether to show update GUI when updating, or update silently
            EndIf

            Exit

        Case $Button_Check

            GUISetState(@SW_HIDE, $Form_Test)
            _UpdateCheck(1) ; [0|1] whether to show update GUI when updating, or update silently
            GUISetState(@SW_SHOW, $Form_Test)

    EndSwitch

WEnd

Func _UpdateCheck($iGui) ; [0|1] whether to show update GUI when updating, or update silently

    Local $sName = $appName
    Local $sVersionFile = "http://yourserver.org/my_stellar_app/version"
    Local $sReleaseNotes = "http://yourserver.org/my_stellar_app/releasenotes.txt"
    Local $sFile = "http://yourserver.org/my_stellar_app/my_stellar_app_installer.exe"
    ;Local $sFile = "http://yourserver.org/my_stellar_app/my_stellar_app.zip"
    Local $iInstaller = 1 ; the file is an installer package and we want to allow user to run the installler

    ; _UpdateCheck returns the string from the version file on the server
    ; the version file does not have to have an extension... at least not on a *nix server.  it must contain *only* the version number (1.2.3.4)
    ; we'll write the version string to our ini file so we can check it on startup if the user enables $AutoUpdate

    ; _ProgramUpdateCheck parms
    ; 1st parm - Friendly program name
    ; 2nd parm - http path to version file
    ; 3rd parm - http path to release notes
    ; 4th parm - http path to program file
    ; 5th parm - Whether the file to be downloaded is an installer package
    ; 6th parm - [optional] Whether to show GUI with release notes and other information - 1=yes, 0=no - defaults to 1

    Local $iVersion = _ProgramUpdateCheck($sName, $sVersionFile, $sReleaseNotes, $sFile, $iInstaller, $iGui)

    If IsNumber($iVersion) Then IniWrite($configIni, 'CONFIG', 'UpdateVersion', $iVersion)

EndFunc   ;==>_UpdateCheck

Func _Exit()

    ; UPDATE CHECK
    If $AutoUpdate = 1 Then
        TraySetState(2) ; hide tray icon
        _UpdateCheck(0) ; [0|1] whether to show update GUI when updating, or update silently
    EndIf

    Exit

EndFunc

FUNCTIONS: WinDock (dock window to screen edge) | EditCtrl_ToggleLineWrap (line/word wrap for AU3 edit control) | SendEX (yet another alternative to Send( ) ) | Spell Checker (Hunspell wrapper) | SentenceCase (capitalize first letter of sentences)

CODE SNIPPITS: Dynamic tab width (set tab control width according to window width)

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Hello, i don't have the requirements to test this, but it seems like a good job. :)


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NetworkSpeedShutdown - Shuts down pc if download speed goes under "X" Kb/s.

 

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thanks, guy, i checked the scripts, it work well,

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There are some bugs in and so it shouldn't be used for anything except testing - i will update it soon


FUNCTIONS: WinDock (dock window to screen edge) | EditCtrl_ToggleLineWrap (line/word wrap for AU3 edit control) | SendEX (yet another alternative to Send( ) ) | Spell Checker (Hunspell wrapper) | SentenceCase (capitalize first letter of sentences)

CODE SNIPPITS: Dynamic tab width (set tab control width according to window width)

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