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Xojo Plugin

SharePoint -- Get File Property

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Demonstrates how to get a specific property of a SharePoint file. Any of the following properties can be retrieved:
  • Author: Gets a value that specifies the user who added the file.
  • CheckedOutByUser: Gets a value that returns the user who has checked out the file.
  • CheckInComment: Gets a value that returns the comment used when a document is checked in to a document library.
  • CheckOutType: Gets a value that indicates how the file is checked out of a document library. Represents an
  • ContentTag: Returns internal version of content, used to validate document equality for read purposes.
  • CustomizedPageStatus: Gets a value that specifies the customization status of the file. Represents an
  • ETag: Gets a value that specifies the ETag value.
  • Exists: Gets a value that specifies whether the file exists.
  • Length: Gets the size of the file in bytes, excluding the size of any Web Parts that are used in the file.
  • Level: Gets a value that specifies the publishing level of the file. Represents an
  • ListItemAllFields: Gets a value that specifies the list item field values for the list item corresponding to the file.
  • LockedByUser: Gets a value that returns the user that owns the current lock on the file.
  • MajorVersion: Gets a value that specifies the major version of the file.
  • MinorVersion: Gets a value that specifies the minor version of the file.
  • ModifiedBy: Gets a value that returns the user who last modified the file.
  • Name: Gets the name of the file including the extension.
  • ServerRelativeUrl: Gets the relative URL of the file based on the URL for the server.
  • TimeCreated: Gets a value that specifies when the file was created.
  • TimeLastModified: Gets a value that specifies when the file was last modified.
  • Title: Gets a value that specifies the display name of the file.
  • UiVersion: Gets a value that specifies the implementation-specific version identifier of the file.
  • UiVersionLabel: Gets a value that specifies the implementation-specific version identifier of the file.
  • Versions: Gets a value that returns a collection of file version objects that represent the versions of the file.

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Xojo Plugin 
Dim success As Boolean
success = False

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

Dim http As New Chilkat.Http

// If SharePoint Windows classic authentication is used, then set the 
// Login, Password, LoginDomain, and NtlmAuth properties.
http.Login = "SHAREPOINT_USERNAME"
http.Password = "SHAREPOINT_PASSWORD"
http.LoginDomain = "SHAREPOINT_NTLM_DOMAIN"
http.NtlmAuth = 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
http.Accept = "application/json;odata=verbose"
http.AcceptCharset = "utf-8"

// Get the Author property.
Dim url As String
url = "https://SHAREPOINT_HTTPS_DOMAIN/_api/web/GetFileByServerRelativeUrl('/Documents/VCAC-document.docx')/Author"

Dim jsonReply As String
jsonReply = http.QuickGetStr(url)
If (http.LastMethodSuccess <> True) Then
    System.DebugLog(http.LastErrorText)
    Return
End If

Dim json As New Chilkat.JsonObject
success = json.Load(jsonReply)
json.EmitCompact = 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..
If (http.LastStatus <> 200) Then
    System.DebugLog(json.Emit())
    System.DebugLog("Failed.")
    Return
End If

System.DebugLog(json.Emit())

// The Author property returns JSON looking like this:

// {
//   "d": {
//     "__metadata": {
//       "id": "Web/GetUserById(18)",
//       "uri": "https://SHAREPOINT_HTTPS_DOMAIN/_api/Web/GetUserById(18)",
//       "type": "SP.User"
//     },
//     "Groups": {
//       "__deferred": {
//         "uri": "https://SHAREPOINT_HTTPS_DOMAIN/_api/Web/GetUserById(18)/Groups"
//       }
//     },
//     "Id": 18,
//     "IsHiddenInUI": false,
//     "LoginName": "i:0#.w|mydomain\\msmith",
//     "Title": "Mike Smith",
//     "PrincipalType": 1,
//     "Email": "msmith@mydomain.com",
//     "IsSiteAdmin": false,
//     "UserId": {
//       "__metadata": {
//         "type": "SP.UserIdInfo"
//       },
//       "NameId": "s-1-5-21-3433503314-2897774614-343593928-1137",
//       "NameIdIssuer": "urn:office:idp:activedirectory"
//     }
//   }
// }
// 

// Get the Title and Email:
System.DebugLog("----")
System.DebugLog("Title: " + json.StringOf("d.Title"))
System.DebugLog("Email: " + json.StringOf("d.Email"))
System.DebugLog("----")

// --------------------------------------------------------------------

// Get the Versions property.
url = "https://SHAREPOINT_HTTPS_DOMAIN/_api/web/GetFileByServerRelativeUrl('/Documents/VCAC-document.docx')/Versions"

jsonReply = http.QuickGetStr(url)
If (http.LastMethodSuccess <> True) Then
    System.DebugLog(http.LastErrorText)
    Return
End If

success = json.Load(jsonReply)
System.DebugLog(json.Emit())

// The Versions JSON reply looks like this:

// {
//   "d": {
//     "results": [
//       {
//         "__metadata": {
//           "id": "a8d025e2-8255-4487-9edb-9e796ab2889c",
//           "type": "SP.FileVersion"
//         },
//         "CreatedBy": {
//           "__deferred": {
//             "uri": "https://SHAREPOINT_HTTPS_DOMAIN/_api/CreatedBy"
//           }
//         },
//         "CheckInComment": "",
//         "Created": "2016-03-15T02:22:26Z",
//         "ID": 1,
//         "IsCurrentVersion": false,
//         "Size": 21082,
//         "Url": "_vti_history/1/Documents/VCAC-document.docx",
//         "VersionLabel": "0.1"
//       },
//       {
//         "__metadata": {
//           "id": "8ab3eadd-9126-4f65-a2a3-3b0689c592d6",
//           "type": "SP.FileVersion"
//         },
//         "CreatedBy": {
//           "__deferred": {
//             "uri": "https://SHAREPOINT_HTTPS_DOMAIN/_api/CreatedBy"
//           }
//         },
//         "CheckInComment": "",
//         "Created": "2016-03-15T05:28:24Z",
//         "ID": 2,
//         "IsCurrentVersion": false,
//         "Size": 21082,
//         "Url": "_vti_history/2/Documents/VCAC-document.docx",
//         "VersionLabel": "0.2"
//       }
//     ]
//   }
// }
// 

// Get each VersionLabel, Size, and Url...
Dim numVersions As Int32
numVersions = json.SizeOfArray("d.results")
Dim i As Int32
i = 0
While i < numVersions
    json.I = i
    System.DebugLog("---- i = " + Str(i))
    System.DebugLog("VersionLabel: " + json.StringOf("d.results[i].VersionLabel"))
    System.DebugLog("Url: " + json.StringOf("d.results[i].Url"))
    System.DebugLog("Size: " + Str(json.IntOf("d.results[i].Size")))
    i = i + 1
Wend

// The output is:

// ---- i = 0
// VersionLabel: 0.1
// Url: _vti_history/1/Documents/VCAC-document.docx
// Size: 21082
// ---- i = 1
// VersionLabel: 0.2
// Url: _vti_history/2/Documents/VCAC-document.docx
// Size: 21082