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DataFlex Examples

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(DataFlex) OneDrive -- List Non-Root Directory

This gets the collection of DriveItem children for a non-root DriveItem. This is the same as for getting the children for the root DriveItem, except the URL includes the path to the desired non-root DriveItem.

Note: This example requires Chilkat v9.5.0.68 or greater.

Chilkat ActiveX Downloads

ActiveX for 32-bit and 64-bit Windows

Use ChilkatAx-9.5.0-win32.pkg

Procedure Test
    Handle hoHttp
    String sResp
    Handle hoJson
    Handle hoLastMod
    Handle hoPhotoTaken
    Integer i
    Integer iNumItems
    String sTemp1
    Integer iTemp1
    Boolean bTemp1

    // This example requires the Chilkat API to have been previously unlocked.
    // See Global Unlock Sample for sample code.

    Get Create (RefClass(cComChilkatHttp)) To hoHttp
    If (Not(IsComObjectCreated(hoHttp))) Begin
        Send CreateComObject of hoHttp
    End

    // Use your previously obtained access token here:
    // See the following examples for getting an access token:
    //    Get Microsoft Graph OAuth2 Access Token (Azure AD v2.0 Endpoint).
    //    Get Microsoft Graph OAuth2 Access Token (Azure AD Endpoint).
    //    Refresh Access Token (Azure AD v2.0 Endpoint).
    //    Refresh Access Token (Azure AD Endpoint).

    // (Make sure your token was obtained with the FilesRead or Files.ReadWrite scope.)
    Set ComAuthToken Of hoHttp To "MICROSOFT_GRAPH_ACCESS_TOKEN"

    // Send a Get request like this:
    // GET /me/drive/root:/{item-path}:/children

    // This example will get the DriveItems in /Misc/old
    // (In other words, we're getting the directory listing for /Misc/old.)
    Get ComSetUrlVar Of hoHttp "item_path" "/Misc/old" To iSuccess

    Get ComQuickGetStr Of hoHttp "https://graph.microsoft.com/v1.0/me/drive/root:{$item_path}:/children" To sResp
    Get ComLastMethodSuccess Of hoHttp To bTemp1
    If (bTemp1 <> True) Begin
        Get ComLastErrorText Of hoHttp To sTemp1
        Showln sTemp1
        Procedure_Return
    End

    // The response should be JSON.
    Get Create (RefClass(cComChilkatJsonObject)) To hoJson
    If (Not(IsComObjectCreated(hoJson))) Begin
        Send CreateComObject of hoJson
    End
    Set ComEmitCompact Of hoJson To False
    Get ComLoad Of hoJson sResp To iSuccess

    // A successful response should return a status code of 200.
    Get ComLastStatus Of hoHttp To iTemp1
    If (iTemp1 <> 200) Begin
        Get ComEmit Of hoJson To sTemp1
        Showln sTemp1
        Get ComLastStatus Of hoHttp To iTemp1
        Showln "Response status = " iTemp1
        Procedure_Return
    End

    Get ComEmit Of hoJson To sTemp1
    Showln sTemp1

    Get Create (RefClass(cComCkDateTime)) To hoLastMod
    If (Not(IsComObjectCreated(hoLastMod))) Begin
        Send CreateComObject of hoLastMod
    End
    Get Create (RefClass(cComCkDateTime)) To hoPhotoTaken
    If (Not(IsComObjectCreated(hoPhotoTaken))) Begin
        Send CreateComObject of hoPhotoTaken
    End

    // Iterate over the DriveItems in the JSON response:
    Move 0 To i
    Get ComSizeOfArray Of hoJson "value" To iNumItems
    While (i < iNumItems)
        Set ComI Of hoJson To i
        Showln "-- DriveItem " (i + 1)
        Get ComStringOf Of hoJson "value[i].id" To sTemp1
        Showln "id: " sTemp1
        Get ComStringOf Of hoJson "value[i].name" To sTemp1
        Showln "name: " sTemp1
        Get ComIntOf Of hoJson "value[i].size" To iTemp1
        Showln "size: " iTemp1

        // Get the lastModifiedDateTime
        Get ComStringOf Of hoJson "value[i].fileSystemInfo.lastModifiedDateTime" To sTemp1
        Get ComSetFromTimestamp Of hoLastMod sTemp1 To iSuccess

        // Is this a folder?
        Get ComHasMember Of hoJson "value[i].folder" To bTemp1
        If (bTemp1 = True) Begin
            Get ComIntOf Of hoJson "value[i].folder.childCount" To iTemp1
            Showln "This is a folder with " iTemp1 " children"
        End

        Get ComHasMember Of hoJson "value[i].file" To bTemp1
        If (bTemp1 = True) Begin
            Showln "This is a file."
            Get ComStringOf Of hoJson "value[i].file.hashes.sha1Hash" To sTemp1
            Showln "SHA1 hash: " sTemp1
            Get ComStringOf Of hoJson "value[i].mimeType" To sTemp1
            Showln "mimeType: " sTemp1
        End

        Get ComHasMember Of hoJson "value[i].image" To bTemp1
        If (bTemp1 = True) Begin
            Showln "This is an image."
            Get ComIntOf Of hoJson "value[i].image.height" To iTemp1
            Showln "height: " iTemp1
            Get ComIntOf Of hoJson "value[i].image.width" To iTemp1
            Showln "width: " iTemp1
        End

        Get ComHasMember Of hoJson "value[i].photo" To bTemp1
        If (bTemp1 = True) Begin
            Showln "This is a photo."
            Get ComStringOf Of hoJson "value[i].photo.takenDateTime" To sTemp1
            Get ComSetFromTimestamp Of hoPhotoTaken sTemp1 To iSuccess
            Get ComGetAsRfc822 Of hoPhotoTaken True To sTemp1
            Showln "photo taken on " sTemp1
        End

        Get ComHasMember Of hoJson "value[i].audio" To bTemp1
        If (bTemp1 = True) Begin
            Showln "This is an audio file."
            Get ComIntOf Of hoJson "value[i].audio.duration" To iTemp1
            Showln "duration: " iTemp1
        End

        Move i + 1 To i
    Loop



End_Procedure

 

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