A sample of access to google calendar.

Framework : netcore 3.1

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using GoogleCalendarAccess;

Authentication Information to access the Google API in the project.
Available authentication information.

• OAuth2.0 Client ID
• Service Account's key

There are three class, GoogleCalendar,Serviceaccount and Myaccount.
To use the Auth2.0 client ID, use Myaccount class.
To use the Service Acoount, use Serviceaccount class. If you use the Serviceaccount class, be sure to specify the calendar ID. If you want to use any other credentials, inherit the GoogleCalendar class, override the Authenticate method, and store the CalendarService in the local variable _service.
The Myaccount and Serviceaccount classes inherit from the GoogleCalendar class.

• ReadingRequest
  Property of the GetEventList Method.

  name	type	note
  calendar_id	string	calling calendar id
  enable_filter	bool	Filter by date
  start_filter	datetime	Filter start date
  end_filter	datetime	Filter end date
  number_of_event	int	Maximum number of calls max 2500

• CalendarEvent Abbreviated event.

  name	type	note
  summary	string	Event Title
  id	string	Event ID
  dateonly	bool	All day setting
  start	datetime	start time
  end	datetime	end time
  color	string	Event color id
  description	string	Event description
  location	string	Event location

• Calendarlist Calendar list Response.

  name	type	note
  summary	string	Calendar name
  id	string	Calendar id

• Access OAuth 2.0 Scopes about the scope of OAuth2.0, click her.

  Name	Note
  FULLACCESS	All permissions for the calendar. https://www.googleapis.com/auth/calendar
  READONLY	Read permissions for the calendar. https://www.googleapis.com/auth/calendar.readonly

GoogleAPI Authentication.

• paramater

  name	type	note
  app_name	string	Application name to register Google.
  scorp	Access	OAuth 2.0 scope.
  jsonpath	string	Path for credential file.

Get a list if events.

• paramater

  name	type	note
  reading_request	ReadingRequest	Properties.

• Response CalendarEvent[]
  Obtained Events.

Geting detailed event information from an event ID.

• paramater

  name	type	note
  event_id	string	ID of the event to be get.
  (option)
  calendar_id	string	Calendar ID of the event to be get.

• Response Google.Apis.Calendar.v3.data.Event
  Obttained Events.

Add a new event to your calendar.

• paramater

  name	type	note
  add_item	CalendarEvent	Event to be added.
  (option)
  calendar_id	Calendar ID of insertion destination.

• Response CalendarEvent
  Event to be added.

Update the content of event.

• paramater

  name	type	note
  event_id	string	event ID to update the content.
  new_event	CalendarEvent	contents of update.
  (option)
  calendar_id	Calendar ID of update destination.

• Response No response.

Delete the spocified event.

• paramater

  name	type	note
  event_id	string	event ID to be deleted.
  (option)
  calendar_id	Calendar ID of delete destination.

• Response No response.

Delete access token and re-authenticate.

Get the color definitions for chalendars and events.

• Response string[,] Returns the color definition as a 2D array of [Background,Foreground].
  The index of the first dimension the array is the color ID.

fylufox

under MIT license.