(DataFlex) SharePoint -- Get File Metadata (File Size, Last-Modified Date/Time, etc.)

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Demonstrates how to get a file's metdata, which includes the file size, last-modified date/time, name, server relative URL, etc.

Chilkat ActiveX Downloads ActiveX for 32-bit and 64-bit Windows

Use ChilkatAx-win32.pkg

Procedure Test
    Handle hoHttp
    String sUrl
    String sJsonReply
    Handle hoJson
    Boolean iSuccess
    Integer iFileSize
    Handle hoLastmod
    Boolean iBLocalTime
    Integer iUnixTime
    Variant vDtObj
    Handle hoDtObj
    String sTemp1
    Integer iTemp1
    Integer iTemp2
    Integer iTemp3
    Integer iTemp4
    Integer iTemp5
    Integer iTemp6
    Boolean bTemp1

    // This 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

    // If SharePoint Windows classic authentication is used, then set the 
    // Login, Password, LoginDomain, and NtlmAuth properties.
    Set ComLogin Of hoHttp To "SHAREPOINT_USERNAME"
    Set ComPassword Of hoHttp To "SHAREPOINT_PASSWORD"
    Set ComLoginDomain Of hoHttp To "SHAREPOINT_NTLM_DOMAIN"
    Set ComNtlmAuth Of hoHttp To True

    // The more common case is to use SharePoint Online authentication (via the SPOIDCRL cookie).
    // If so, do not set Login, Password, LoginDomain, and NtlmAuth, and instead
    // establish the cookie as shown at SharePoint Online Authentication

    // Indicate that we want a JSON reply
    Set ComAccept Of hoHttp To "application/json;odata=verbose"
    Set ComAcceptCharset Of hoHttp To "utf-8"

    Move "https://SHAREPOINT_HTTPS_DOMAIN/_api/web/GetFileByServerRelativeUrl('/Documents/VCAC-document.docx')" To sUrl

    Get ComQuickGetStr Of hoHttp sUrl To sJsonReply
    Get ComLastMethodSuccess Of hoHttp To bTemp1
    If (bTemp1 <> True) Begin
        Get ComLastErrorText Of hoHttp To sTemp1
        Showln sTemp1
        Procedure_Return
    End

    // Examine the file's metadata in JSON format.
    Get Create (RefClass(cComChilkatJsonObject)) To hoJson
    If (Not(IsComObjectCreated(hoJson))) Begin
        Send CreateComObject of hoJson
    End
    Get ComLoad Of hoJson sJsonReply To iSuccess
    Set ComEmitCompact Of hoJson To False

    // Make sure it was a success response, and that we really have metadata.
    // If it was an error response, then the JSON is error information..
    Get ComLastStatus Of hoHttp To iTemp1
    If (iTemp1 <> 200) Begin
        Get ComEmit Of hoJson To sTemp1
        Showln sTemp1
        Showln "Failed."
        Procedure_Return
    End

    Get ComEmit Of hoJson To sTemp1
    Showln sTemp1

    Showln "--------"
    Get ComStringOf Of hoJson "d.ServerRelativeUrl" To sTemp1
    Showln "Server relative URL: " sTemp1

    Get ComIntOf Of hoJson "d.Length" To iFileSize
    Showln "File Size = " iFileSize

    Get Create (RefClass(cComCkDateTime)) To hoLastmod
    If (Not(IsComObjectCreated(hoLastmod))) Begin
        Send CreateComObject of hoLastmod
    End
    Get ComStringOf Of hoJson "d.TimeLastModified" To sTemp1
    Get ComSetFromTimestamp Of hoLastmod sTemp1 To iSuccess

    // Once we have the CkDateTime object, we can get the date/time in all sorts of formats:

    // Get as a RFC822 GMT string:
    Move False To iBLocalTime
    Get ComGetAsRfc822 Of hoLastmod iBLocalTime To sTemp1
    Showln sTemp1

    // Get as an RFC822 string in the local timezone.
    // (remember, the daylight savings that existed at the given time in the past is applied)
    Move True To iBLocalTime
    Get ComGetAsRfc822 Of hoLastmod iBLocalTime To sTemp1
    Showln sTemp1

    // Get as a 32-bit UNIX time (local or GMT..)
    // The Unix time is number of seconds since the Epoch, 1970-01-01 00:00:00 +0000 (UTC). 
    Get ComGetAsUnixTime Of hoLastmod iBLocalTime To iUnixTime
    Showln "Unix time: " iUnixTime

    // One can also get the as a "DtObj" object for accessing the individual
    // parts of the date/time, such as month, day, year, hour, minute, etc.
    // The DtObj can be obtained in the GMT or local timezone:
    Get ComGetDtObj Of hoLastmod iBLocalTime To vDtObj
    If (IsComObject(vDtObj)) Begin
        Get Create (RefClass(cComChilkatDtObj)) To hoDtObj
        Set pvComObject Of hoDtObj To vDtObj
    End
    Get ComLastMethodSuccess Of hoLastmod To bTemp1
    If (bTemp1 = False) Begin
        Showln "This should never really happen!"
        Procedure_Return
    End

    Get ComDay Of hoDtObj To iTemp1
    Get ComMonth Of hoDtObj To iTemp2
    Get ComYear Of hoDtObj To iTemp3
    Get ComHour Of hoDtObj To iTemp4
    Get ComMinute Of hoDtObj To iTemp5
    Get ComSecond Of hoDtObj To iTemp6
    Showln iTemp1 "-" iTemp2 "-" iTemp3 " " iTemp4 ":" iTemp5 ":" iTemp6

    Send Destroy of hoDtObj

    // -------------------------------------------------
    // The file's metadata look like this:

    // { 
    //   "d": { 
    //     "__metadata": { 
    //       "id": "Web/GetFileByServerRelativeUrl('/Documents/VCAC-document.docx')",
    //       "uri": "https://SHAREPOINT_HTTPS_DOMAIN/_api/Web/GetFileByServerRelativeUrl('/Documents/VCAC-document.docx')",
    //       "type": "SP.File"
    //     },
    //     "Author": { 
    //       "__deferred": { 
    //         "uri": "https://SHAREPOINT_HTTPS_DOMAIN/_api/Web/GetFileByServerRelativeUrl('/Documents/VCAC-document.docx')/Author"
    //       }
    //     },
    //     "CheckedOutByUser": { 
    //       "__deferred": { 
    //         "uri": "https://SHAREPOINT_HTTPS_DOMAIN/_api/Web/GetFileByServerRelativeUrl('/Documents/VCAC-document.docx')/CheckedOutByUser"
    //       }
    //     },
    //     "ListItemAllFields": { 
    //       "__deferred": { 
    //         "uri": "https://SHAREPOINT_HTTPS_DOMAIN/_api/Web/GetFileByServerRelativeUrl('/Documents/VCAC-document.docx')/ListItemAllFields"
    //       }
    //     },
    //     "LockedByUser": { 
    //       "__deferred": { 
    //         "uri": "https://SHAREPOINT_HTTPS_DOMAIN/_api/Web/GetFileByServerRelativeUrl('/Documents/VCAC-document.docx')/LockedByUser"
    //       }
    //     },
    //     "ModifiedBy": { 
    //       "__deferred": { 
    //         "uri": "https://SHAREPOINT_HTTPS_DOMAIN/_api/Web/GetFileByServerRelativeUrl('/Documents/VCAC-document.docx')/ModifiedBy"
    //       }
    //     },
    //     "Versions": { 
    //       "__deferred": { 
    //         "uri": "https://SHAREPOINT_HTTPS_DOMAIN/_api/Web/GetFileByServerRelativeUrl('/Documents/VCAC-document.docx')/Versions"
    //       }
    //     },
    //     "CheckInComment": "",
    //     "CheckOutType": 2,
    //     "ContentTag": "{E2F05E75-B3EF-4826-8284-E572D3628A7D},9,10",
    //     "CustomizedPageStatus": 0,
    //     "ETag": "\"{E2F05E75-B3EF-4826-8284-E572D3628A7D},9\"",
    //     "Exists": true,
    //     "Length": "21082",
    //     "Level": 2,
    //     "MajorVersion": 0,
    //     "MinorVersion": 3,
    //     "Name": "VCAC-document.docx",
    //     "ServerRelativeUrl": "/Documents/VCAC-document.docx",
    //     "TimeCreated": "2016-03-04T12:38:01Z",
    //     "TimeLastModified": "2017-01-16T04:44:31Z",
    //     "Title": "",
    //     "UIVersion": 3,
    //     "UIVersionLabel": "0.3"
    //   }
    // }
    // 


End_Procedure