Xojo Plugin GMail: Search for Messages with Subject Containing a Word

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Return messages matching the specified query. See https://support.google.com/mail/answer/7190?hl=en for additional information about search operators. This example searches for all emails having the whole word "ADVChina" in the subject.

Documentation: https://support.google.com/mail/answer/7190?hl=en

CURL Command

curl -X GET https://www.googleapis.com/gmail/v1/users/me/messages?q=subject:ADVChina \
    --header "Authorization: Bearer GMAIL_TOKEN"

Xojo Plugin Example

Dim rest As New Chilkat.Rest
Dim success As Boolean

//  URL: https://www.googleapis.com/gmail/v1/users/me/messages?q=subject:ADVChina
Dim bTls As Boolean
bTls = True
Dim port As Int32
port = 443
Dim bAutoReconnect As Boolean
bAutoReconnect = True
success = rest.Connect("www.googleapis.com",port,bTls,bAutoReconnect)
If (success <> True) Then
    System.DebugLog("ConnectFailReason: " + Str(rest.ConnectFailReason))
End If

success = rest.AddHeader("Authorization","Bearer GMAIL_TOKEN")

Dim sbResponseBody As New Chilkat.StringBuilder
success = rest.FullRequestNoBodySb("GET","/gmail/v1/users/me/messages?q=subject:ADVChina",sbResponseBody)
If (success <> True) Then
End If

Dim respStatusCode As Int32
respStatusCode = rest.ResponseStatusCode
If (respStatusCode >= 400) Then
    System.DebugLog("Response Status Code = " + Str(respStatusCode))
    System.DebugLog("Response Header:")
    System.DebugLog("Response Body:")
End If

Dim jsonResponse As New Chilkat.JsonObject
success = jsonResponse.LoadSb(sbResponseBody)

//  See the Online Tool for Generating JSON Parse Code
Dim i As Int32
Dim count_i As Int32

Dim resultSizeEstimate As Int32
resultSizeEstimate = jsonResponse.IntOf("resultSizeEstimate")
i = 0
count_i = jsonResponse.SizeOfArray("messages")
While i < count_i
    jsonResponse.I = i
    Dim id As String
    id = jsonResponse.StringOf("messages[i].id")
    Dim threadId As String
    threadId = jsonResponse.StringOf("messages[i].threadId")
    i = i + 1

Sample JSON Response Body

  "messages": [
      "id": "166e50fed0b9b0cb",
      "threadId": "166e50fed0b9b0cb"
      "id": "166c12e5fee013fe",
      "threadId": "166c12e5fee013fe"
      "id": "1669cc9a926bb8c1",
      "threadId": "1669cc9a926bb8c1"
      "id": "16678c485e7f0a0c",
      "threadId": "16678c485e7f0a0c"
  "resultSizeEstimate": 4