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(Mono C#) Get GMail Message Metadata

Demonstrates how to get the metadata for each message in a list of message IDs.

For more information, see https://developers.google.com/gmail/api/v1/reference/users/messages/get

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

Chilkat.Http http = new Chilkat.Http();

http.AuthToken = "ACCESS_TOKEN";

http.Accept = "application/json";

// Let's say we have the following JSON containing a list of message ID's

// {
//   "messages": [
//     {
//       "id": "1712bc1dc22da2a2",
//       "threadId": "1712bc1dc22da2a2"
//     },
//     {
//       "id": "1712b94fa2168040",
//       "threadId": "1712b94fa2168040"
//     },
//     {
//       "id": "1711e4bd96ded05e",
//       "threadId": "1711e4bd96ded05e"
//     },
//     {
//       "id": "1711de0d119e751e",
//       "threadId": "1711de0d119e751e"
//     },
//     {
//       "id": "1711c81a43050f59",
//       "threadId": "1711c81a43050f59"
//     },
//     {
//       "id": "1711c2c1516abce5",
//       "threadId": "1711c2c1516abce5"
//     },
//     {
//       "id": "1711c161e655c915",
//       "threadId": "1711c161e655c915"
//     },
//     {
//       "id": "171199c6e454558c",
//       "threadId": "171199c6e454558c"
//     },
//     {
//       "id": "17119474c8aa248e",
//       "threadId": "17119474c8aa248e"
//     }
//   ],
//   "nextPageToken": "16710921492249671162",
//   "resultSizeEstimate": 309
// }

// Normally your program would have the above JSON in a string variable (obtained from a previous call to get
// a list of message IDs from a GMail mailbox).  In this example, we'll load the JSON from a file.
Chilkat.JsonObject jsonMsgIds = new Chilkat.JsonObject();
bool success = jsonMsgIds.LoadFile("qa_data/json/gmail_message_ids.json");

string id;
int i = 0;
int count_i = jsonMsgIds.SizeOfArray("messages");
while (i < count_i) {
    jsonMsgIds.I = i;
    id = jsonMsgIds.StringOf("messages[i].id");

    // Get the metadata for this message ID.
    http.SetUrlVar("id",id);

    Chilkat.HttpResponse resp = http.QuickRequest("GET","https://www.googleapis.com/gmail/v1/users/userId/messages/{$id}?format=metadata");
    if (http.LastMethodSuccess != true) {
        Debug.WriteLine(http.LastErrorText);
        return;
    }

    Debug.WriteLine("Response Status Code: " + Convert.ToString(resp.StatusCode));

    Chilkat.JsonObject jsonResponse = new Chilkat.JsonObject();
    jsonResponse.Load(resp.BodyStr);
    jsonResponse.EmitCompact = false;
    Debug.WriteLine(jsonResponse.Emit());

    if (resp.StatusCode != 200) {
        Debug.WriteLine("Failed.");

        return;
    }

    i = i + 1;
}

// Use this online tool to generate parsing code from sample JSON: 
// Generate Parsing Code from JSON

 

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