B4X

MS Graph Calendars List

See more Microsoft Calendar Examples

Get all the user's calendars (/calendars navigation property), get the calendars from the default calendar group or from a specific calendar group.

For more details, see https://docs.microsoft.com/en-us/graph/api/user-list-calendars?view=graph-rest-1.0

B4X

Dim success As Boolean = False

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

Dim http As ChilkatHttp
http.Initialize("http")

'  Use your previously obtained access token as shown here:
'     Get Microsoft Graph OAuth2 Access Token with Calendars.ReadWrite scope.

Dim jsonToken As ChilkatJsonObject
jsonToken.Initialize
success = jsonToken.LoadFile("qa_data/tokens/msGraphCalendar.json")
If success = False Then
    Log(jsonToken.LastErrorText)
    Return
End If

http.AuthToken = jsonToken.StringOf("access_token")

'  Send a GET request to https://graph.microsoft.com/v1.0/me/calendars
Dim strResponse As String = http.QuickGetStr("https://graph.microsoft.com/v1.0/me/calendars")
If http.LastMethodSuccess = False Then
    Log(http.LastErrorText)
    Return
End If


Dim json As ChilkatJsonObject
json.Initialize
json.Load(strResponse)
json.EmitCompact = False

If http.LastStatus <> 200 Then
    Log(json.Emit)
    Log("Failed, response status code = " & http.LastStatus)
    Return
End If


Log(json.Emit)

'  Sample output:

'  {
'    "@odata.context": "https://graph.microsoft.com/v1.0/$metadata#users('admin%40chilkat.io')/calendars",
'    "value": [
'      {
'        "id": "AQMkADAwATM0MDAAMS1iNTcwLWI2NTEtMDACLTAwCgBGAAADsVyfxjDU406Ic4X7ill8xAcA5_vF7TKKdE6bGCRqXyl2PQAAAgEGAAAA5_vF7TKKdE6bGCRqXyl2PQAAAiCsAAAA",
'        "name": "Calendar",
'        "color": "auto",
'        "changeKey": "5+vF7TKKdE6bGCRqXyl2PQAAAAAiEQ==",
'        "canShare": true,
'        "canViewPrivateItems": true,
'        "canEdit": true,
'        "owner": {
'          "name": "...",
'          "address": "outlook_3A33FCEB9B74CC15@outlook.com"
'        }
'      },
'      {
'        "id": "AQMkADAwATM0MDAAMS1iNTcwLWI2NTEtMDACLTAwCgBGAAADsVyfxjDU406Ic4X7ill8xAcA5_vF7TKKdE6bGCRqXyl2PQAAAgEGAAAA5_vF7TKKdE6bGCRqXyl2PQAClEpRTgAAAA==",
'        "name": "Work",
'        "color": "auto",
'        "changeKey": "5+vF7TKKdE6bGCRqXyl2PQAClHjDcA==",
'        "canShare": true,
'        "canViewPrivateItems": true,
'        "canEdit": true,
'        "owner": {
'          "name": "...",
'          "address": "outlook_3A33FCEB9B74CC15@outlook.com"
'        }
'      }
'    ]
'  }
'  
'  Use this online tool to generate parsing code from sample JSON: 
'  Generate Parsing Code from JSON

Dim odataContext As String
Dim i As Int
Dim count_i As Int
Dim id As String
Dim name As String
Dim color As String
Dim changeKey As String
Dim canShare As Boolean
Dim canViewPrivateItems As Boolean
Dim canEdit As Boolean
Dim ownerName As String
Dim ownerAddress As String

odataContext = json.StringOf(Chr(34) & "@odata.context" & Chr(34))
i = 0
count_i = json.SizeOfArray("value")
Do While i < count_i
    json.I = i
    id = json.StringOf("value[i].id")
    name = json.StringOf("value[i].name")
    color = json.StringOf("value[i].color")
    changeKey = json.StringOf("value[i].changeKey")
    canShare = json.BoolOf("value[i].canShare")
    canViewPrivateItems = json.BoolOf("value[i].canViewPrivateItems")
    canEdit = json.BoolOf("value[i].canEdit")
    ownerName = json.StringOf("value[i].owner.name")
    ownerAddress = json.StringOf("value[i].owner.address")
    i = i + 1
Loop

Log("Success.")