(PureBasic) List Google Calendars

See more Google Calendar Examples

Demonstrates how to list the Google Calendars for an account.

Chilkat PureBasic Module Download Chilkat PureBasic Module

IncludeFile "CkHttp.pb"
IncludeFile "CkJsonObject.pb"

Procedure ChilkatExample()

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

    ; This example uses a previously obtained access token having permission for the 
    ; Google Calendar scope.

    ; In this example, Get Google Calendar OAuth2 Access Token, the access
    ; token was saved to a JSON file.  This example fetches the access token from the file..
    jsonToken.i = CkJsonObject::ckCreate()
    If jsonToken.i = 0
        Debug "Failed to create object."
        ProcedureReturn
    EndIf

    success.i = CkJsonObject::ckLoadFile(jsonToken,"qa_data/tokens/googleCalendar.json")
    If CkJsonObject::ckHasMember(jsonToken,"access_token") = 0
        Debug "No access token found."
        CkJsonObject::ckDispose(jsonToken)
        ProcedureReturn
    EndIf

    http.i = CkHttp::ckCreate()
    If http.i = 0
        Debug "Failed to create object."
        ProcedureReturn
    EndIf

    CkHttp::setCkAuthToken(http, CkJsonObject::ckStringOf(jsonToken,"access_token"))

    jsonResponse.s = CkHttp::ckQuickGetStr(http,"https://www.googleapis.com/calendar/v3/users/me/calendarList")
    If CkHttp::ckLastMethodSuccess(http) <> 1
        Debug CkHttp::ckLastErrorText(http)
        CkJsonObject::ckDispose(jsonToken)
        CkHttp::ckDispose(http)
        ProcedureReturn
    EndIf

    Debug jsonResponse
    Debug "-----------------------------"

    ; This is a sample JSON response:
    ; (Sample code to iterate over the JSON response is shown below.)

    ; {
    ;  "kind": "calendar#calendarList",
    ;  "etag": "\"p32cfpufit76da0g\"",
    ;  "nextSyncToken": "CJj8-fLpzNUCEhhzdXBwb3J0QGNoaWxrYXRjbG91ZC5jb20=",
    ;  "items": [
    ;   {
    ;    "kind": "calendar#calendarListEntry",
    ;    "etag": "\"1465249947472000\"",
    ;    "id": "support@chilkatcloud.com",
    ;    "summary": "support@chilkatcloud.com",
    ;    "timeZone": "America/Chicago",
    ;    "colorId": "14",
    ;    "backgroundColor": "#9fe1e7",
    ;    "foregroundColor": "#000000",
    ;    "selected": true,
    ;    "accessRole": "owner",
    ;    "defaultReminders": [
    ;     {
    ;      "method": "popup",
    ;      "minutes": 10
    ;     }
    ;    ],
    ;    "notificationSettings": {
    ;     "notifications": [
    ;      {
    ;       "type": "eventCreation",
    ;       "method": "email"
    ;      },
    ;      {
    ;       "type": "eventChange",
    ;       "method": "email"
    ;      },
    ;      {
    ;       "type": "eventCancellation",
    ;       "method": "email"
    ;      },
    ;      {
    ;       "type": "eventResponse",
    ;       "method": "email"
    ;      }
    ;     ]
    ;    },
    ;    "primary": true
    ;   },
    ;   {
    ;    "kind": "calendar#calendarListEntry",
    ;    "etag": "\"1502373382732000\"",
    ;    "id": "#contacts@group.v.calendar.google.com",
    ;    "summary": "Contacts",
    ;    "timeZone": "America/Chicago",
    ;    "colorId": "13",
    ;    "backgroundColor": "#92e1c0",
    ;    "foregroundColor": "#000000",
    ;    "selected": true,
    ;    "accessRole": "reader",
    ;    "defaultReminders": []
    ;   },
    ;   {
    ;    "kind": "calendar#calendarListEntry",
    ;    "etag": "\"1502373376447000\"",
    ;    "id": "en.usa#holiday@group.v.calendar.google.com",
    ;    "summary": "Holidays in United States",
    ;    "timeZone": "America/Chicago",
    ;    "colorId": "8",
    ;    "backgroundColor": "#16a765",
    ;    "foregroundColor": "#000000",
    ;    "selected": true,
    ;    "accessRole": "reader",
    ;    "defaultReminders": []
    ;   }
    ;  ]
    ; }
    ; 

    ; Iterate over the JSON response..
    json.i = CkJsonObject::ckCreate()
    If json.i = 0
        Debug "Failed to create object."
        ProcedureReturn
    EndIf

    CkJsonObject::ckLoad(json,jsonResponse)

    numCalendars.i = CkJsonObject::ckSizeOfArray(json,"items")
    i.i = 0
    While i < numCalendars
        Debug "--- " + Str(i) + " ---"
        CkJsonObject::setCkI(json, i)
        Debug "kind: " + CkJsonObject::ckStringOf(json,"items[i].kind")
        Debug "id: " + CkJsonObject::ckStringOf(json,"items[i].id")

        ; Examine the notification settings, if any..
        numSettings.i = CkJsonObject::ckSizeOfArray(json,"items[i].notificationSettings.notifications")
        If numSettings > 0
            j.i = 0
            While j < numSettings
                CkJsonObject::setCkJ(json, j)
                Debug "Notification Type: " + CkJsonObject::ckStringOf(json,"items[i].notificationSettings.notifications[j].type")
                Debug "Notification Method: " + CkJsonObject::ckStringOf(json,"items[i].notificationSettings.notifications[j].method")
                j = j + 1
            Wend
        EndIf

        i = i + 1
    Wend


    CkJsonObject::ckDispose(jsonToken)
    CkHttp::ckDispose(http)
    CkJsonObject::ckDispose(json)


    ProcedureReturn
EndProcedure