(Tcl) Get a Google Calendar

See more Google Calendar Examples

Demonstrates how to get a particular Google Calendar. The calendar can be referenced by the calendar ID, or by the keyword "primary".

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load ./chilkat.dll

# 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..
set jsonToken [new_CkJsonObject]

set success [CkJsonObject_LoadFile $jsonToken "qa_data/tokens/googleCalendar.json"]
if {[CkJsonObject_HasMember $jsonToken "access_token"] == 0} then {
    puts "No access token found."
    delete_CkJsonObject $jsonToken
    exit
}

set http [new_CkHttp]

CkHttp_put_AuthToken $http [CkJsonObject_stringOf $jsonToken "access_token"]

# Let's get the primary calendar.
set jsonResponse [CkHttp_quickGetStr $http "https://www.googleapis.com/calendar/v3/users/me/calendarList/primary"]
if {[CkHttp_get_LastMethodSuccess $http] != 1} then {
    puts [CkHttp_lastErrorText $http]
    delete_CkJsonObject $jsonToken
    delete_CkHttp $http
    exit
}

puts "$jsonResponse"

# A sample response is:

# {
#  "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
# }

# It can be parsed like this:
set json [new_CkJsonObject]

CkJsonObject_Load $json $jsonResponse

puts "kind: [CkJsonObject_stringOf $json kind]"
puts "id: [CkJsonObject_stringOf $json id]"

# Examine the notification settings, if any..
set numSettings [CkJsonObject_SizeOfArray $json "notificationSettings.notifications"]
if {$numSettings > 0} then {
    set i 0
    while {$i < $numSettings} {
        CkJsonObject_put_I $json $i
        puts "Notification Type: [CkJsonObject_stringOf $json {notificationSettings.notifications[i].type}]"
        puts "Notification Method: [CkJsonObject_stringOf $json {notificationSettings.notifications[i].method}]"
        set i [expr $i + 1]
    }
}


delete_CkJsonObject $jsonToken
delete_CkHttp $http
delete_CkJsonObject $json