(C) SharePoint -- Approve a File Submitted for Content Approval

Approves the file submitted for content approval with the specified comment.

Note: The SharePoint list or library should have the settings enabled to require approval for submitted items. This is done in the "Versioning Settings" for the list or library.

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#include <C_CkHttp.h>
#include <C_CkHttpRequest.h>
#include <C_CkHttpResponse.h>
#include <C_CkJsonObject.h>

void ChilkatSample(void)
    {
    HCkHttp http;
    HCkHttpRequest req;
    BOOL bUseTls;
    HCkHttpResponse resp;
    HCkJsonObject json;

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

    http = CkHttp_Create();

    //  If SharePoint Windows classic authentication is used, then set the
    //  Login, Password, LoginDomain, and NtlmAuth properties.
    CkHttp_putLogin(http,"SHAREPOINT_USERNAME");
    CkHttp_putPassword(http,"SHAREPOINT_PASSWORD");
    CkHttp_putLoginDomain(http,"SHAREPOINT_NTLM_DOMAIN");
    CkHttp_putNtlmAuth(http,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
    CkHttp_putAccept(http,"application/json;odata=verbose");

    //  Only persons who have Full Control or Design permissions can approve or reject
    //  items or files in a list or library that requires approval. Other site users
    //  can only view what they have permission to view or what they have uploaded
    //  themselves.
    // 
    //  Important:  Approval or rejection of items or files in lists or libraries must
    //  be done one at a time. You cannot approve or reject multiple items or files in
    //  one operation.
    // 

    req = CkHttpRequest_Create();
    CkHttpRequest_putHttpVerb(req,"POST");
    CkHttpRequest_putPath(req,"/_api/web/GetFileByServerRelativeUrl('/ChilkatDocLibrary/sample.docx')/approve(comment='Check-in comment for the approval.')");

    //  We need to add a form digest value in the X-RequestDigest header field.
    //  See this example for details on
    //  how to get (and cache) a form digest value
    CkHttpRequest_AddHeader(req,"X-RequestDigest","SHAREPOINT_FORM_DIGEST");

    //  Send the request to approve the document.
    bUseTls = TRUE;
    resp = CkHttp_SynchronousRequest(http,"SHAREPOINT_HTTPS_DOMAIN",443,bUseTls,req);
    if (CkHttp_getLastMethodSuccess(http) != TRUE) {
        printf("%s\n",CkHttp_lastErrorText(http));
        CkHttp_Dispose(http);
        CkHttpRequest_Dispose(req);
        return;
    }

    //  A successful update will return a 200 status code with an empty body.
    //  A non-successful update will return a JSON response body..
    if (CkHttpResponse_getStatusCode(resp) != 200) {
        printf("Response status code = %d\n",CkHttpResponse_getStatusCode(resp));
        json = CkJsonObject_Create();
        CkJsonObject_Load(json,CkHttpResponse_bodyStr(resp));
        CkJsonObject_putEmitCompact(json,FALSE);
        printf("%s\n",CkJsonObject_emit(json));
        printf("Failed\n");
        CkHttpResponse_Dispose(resp);
        CkHttp_Dispose(http);
        CkHttpRequest_Dispose(req);
        CkJsonObject_Dispose(json);
        return;
    }

    CkHttpResponse_Dispose(resp);

    printf("Success.\n");


    CkHttp_Dispose(http);
    CkHttpRequest_Dispose(req);
    CkJsonObject_Dispose(json);

    }