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GDataCalendarService

GDataCalendarService — GData Calendar service object

Stability Level

Stable, unless otherwise indicated

Object Hierarchy

    GObject
    ╰── GDataService
        ╰── GDataCalendarService

Implemented Interfaces

GDataCalendarService implements GDataBatchable.

Includes

#include <gdata/services/calendar/gdata-calendar-service.h>

Description

GDataCalendarService is a subclass of GDataService for communicating with the GData API of Google Calendar. It supports querying for, inserting, editing and deleting events from calendars, as well as operations on the calendars themselves.

For more details of Google Calendar's GData API, see the

online documentation.

Each calendar accessible through the service has an access control list (ACL) which defines the level of access to the calendar to each user, and which users the calendar is shared with. For more information about ACLs for calendars, see the

online documentation on sharing calendars.

Example 16. Retrieving the Access Control List for a Calendar

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GDataCalendarService *service;
GDataCalendarCalendar *calendar;
GDataFeed *acl_feed;
GDataAccessRule *rule, *new_rule;
GDataLink *acl_link;
GList *i;
GError *error = NULL;

/* Create a service and retrieve a calendar to work on */
service = create_calendar_service ();
calendar = get_calendar (service);

/* Query the service for the ACL for the given calendar */
acl_feed = gdata_access_handler_get_rules (GDATA_ACCESS_HANDLER (calendar), GDATA_SERVICE (service), NULL, NULL, NULL, &error);

if (error != NULL) {
    g_error ("Error getting ACL feed for calendar: %s", error->message);
    g_error_free (error);
    g_object_unref (calendar);
    g_object_unref (service);
    return;
}

/* Iterate through the ACL */
for (i = gdata_feed_get_entries (acl_feed); i != NULL; i = i->next) {
    const gchar *scope_value;

    rule = GDATA_ACCESS_RULE (i->data);

    /* Do something with the access rule here. As an example, we update the rule applying to test@gmail.com and delete all
     * the other rules. We then insert another rule for example@gmail.com below. */
    gdata_access_rule_get_scope (rule, NULL, &scope_value);
    if (scope_value != NULL && strcmp (scope_value, "test@gmail.com") == 0) {
        GDataAccessRule *updated_rule;

        /* Update the rule to make test@gmail.com an editor (full read/write access to the calendar, but they can't change
         * the ACL). */
        gdata_access_rule_set_role (rule, GDATA_CALENDAR_ACCESS_ROLE_EDITOR);
        updated_rule = GDATA_ACCESS_RULE (gdata_service_update_entry (GDATA_SERVICE (service), GDATA_ENTRY (rule), NULL, &error));

        if (error != NULL) {
            g_error ("Error updating access rule for %s: %s", scope_value, error->message);
            g_error_free (error);
            g_object_unref (acl_feed);
            g_object_unref (calendar);
            g_object_unref (service);
            return;
        }

        g_object_unref (updated_rule);
    } else {
        /* Delete any rule which doesn't apply to test@gmail.com */
        gdata_service_delete_entry (GDATA_SERVICE (service), GDATA_ENTRY (rule), NULL, &error);

        if (error != NULL) {
            g_error ("Error deleting access rule for %s: %s", scope_value, error->message);
            g_error_free (error);
            g_object_unref (acl_feed);
            g_object_unref (calendar);
            g_object_unref (service);
            return;
        }
    }
}

g_object_unref (acl_feed);

/* Create and insert a new access rule for example@gmail.com which allows them to view free/busy information for events in the
 * calendar, but doesn't allow them to view the full event details. */
rule = gdata_access_rule_new (NULL);
gdata_access_rule_set_role (rule, GDATA_CALENDAR_ACCESS_ROLE_FREE_BUSY);
gdata_access_rule_set_scope (rule, GDATA_ACCESS_SCOPE_USER, "example@gmail.com");

acl_link = gdata_entry_look_up_link (GDATA_ENTRY (calendar), GDATA_LINK_ACCESS_CONTROL_LIST);
new_rule = GDATA_ACCESS_RULE (gdata_service_insert_entry (GDATA_SERVICE (service), gdata_link_get_uri (acl_link), GDATA_ENTRY (rule),
                                                          NULL, &error));

g_object_unref (rule);
g_object_unref (calendar);
g_object_unref (service);

if (error != NULL) {
    g_error ("Error inserting access rule: %s", error->message);
    g_error_free (error);
    return;
}

g_object_unref (acl_link);

Before version 0.17.2, the Calendar service could be manipulated using batch operations. That is no longer supported, and any batch operations created on the calendar will fail.

Functions

gdata_calendar_service_new ()

GDataCalendarService *
gdata_calendar_service_new (GDataAuthorizer *authorizer);

Creates a new GDataCalendarService using the given GDataAuthorizer. If authorizer is NULL, all requests are made as an unauthenticated user.

Parameters

authorizer

a GDataAuthorizer to authorize the service's requests, or NULL.

[allow-none]

Returns

a new GDataCalendarService, or NULL; unref with g_object_unref()

Since: 0.9.0


gdata_calendar_service_get_primary_authorization_domain ()

GDataAuthorizationDomain *
gdata_calendar_service_get_primary_authorization_domain
                               (void);

The primary GDataAuthorizationDomain for interacting with Google Calendar. This will not normally need to be used, as it's used internally by the GDataCalendarService methods. However, if using the plain GDataService methods to implement custom queries or requests which libgdata does not support natively, then this domain may be needed to authorize the requests.

The domain never changes, and is interned so that pointer comparison can be used to differentiate it from other authorization domains.

Returns

the service's authorization domain.

[transfer none]

Since: 0.9.0


gdata_calendar_service_query_all_calendars ()

GDataFeed *
gdata_calendar_service_query_all_calendars
                               (GDataCalendarService *self,
                                GDataQuery *query,
                                GCancellable *cancellable,
                                GDataQueryProgressCallback progress_callback,
                                gpointer progress_user_data,
                                GError **error);

Queries the service to return a list of all calendars from the authenticated account which match the given query . It will return all calendars the user has read access to, including primary, secondary and imported calendars.

For more details, see gdata_service_query().

Parameters

self

a GDataCalendarService

 

query

a GDataQuery with the query parameters, or NULL.

[allow-none]

cancellable

optional GCancellable object, or NULL.

[allow-none]

progress_callback

a GDataQueryProgressCallback to call when an entry is loaded, or NULL.

[allow-none][scope call][closure progress_user_data]

progress_user_data

data to pass to the progress_callback function.

[closure]

error

a GError, or NULL

 

Returns

a GDataFeed of query results; unref with g_object_unref().

[transfer full]


gdata_calendar_service_query_all_calendars_async ()

void
gdata_calendar_service_query_all_calendars_async
                               (GDataCalendarService *self,
                                GDataQuery *query,
                                GCancellable *cancellable,
                                GDataQueryProgressCallback progress_callback,
                                gpointer progress_user_data,
                                GDestroyNotify destroy_progress_user_data,
                                GAsyncReadyCallback callback,
                                gpointer user_data);

Queries the service to return a list of all calendars from the authenticated account which match the given query . self and query are all reffed when this function is called, so can safely be unreffed after this function returns.

For more details, see gdata_calendar_service_query_all_calendars(), which is the synchronous version of this function, and gdata_service_query_async(), which is the base asynchronous query function.

Parameters

self

a GDataCalendarService

 

query

a GDataQuery with the query parameters, or NULL.

[allow-none]

cancellable

optional GCancellable object, or NULL.

[allow-none]

progress_callback

a GDataQueryProgressCallback to call when an entry is loaded, or NULL.

[allow-none][closure progress_user_data]

progress_user_data

data to pass to the progress_callback function.

[closure]

destroy_progress_user_data

the function to call when progress_callback will not be called any more, or NULL. This function will be called with progress_user_data as a parameter and can be used to free any memory allocated for it.

[allow-none]

callback

a GAsyncReadyCallback to call when authentication is finished

 

user_data

data to pass to the callback function.

[closure]

Since: 0.9.1


gdata_calendar_service_query_own_calendars ()

GDataFeed *
gdata_calendar_service_query_own_calendars
                               (GDataCalendarService *self,
                                GDataQuery *query,
                                GCancellable *cancellable,
                                GDataQueryProgressCallback progress_callback,
                                gpointer progress_user_data,
                                GError **error);

Queries the service to return a list of calendars from the authenticated account which match the given query , and the authenticated user owns. (i.e. They have full read/write access to the calendar, as well as the ability to set permissions on the calendar.)

For more details, see gdata_service_query().

Parameters

self

a GDataCalendarService

 

query

a GDataQuery with the query parameters, or NULL.

[allow-none]

cancellable

optional GCancellable object, or NULL.

[allow-none]

progress_callback

a GDataQueryProgressCallback to call when an entry is loaded, or NULL.

[allow-none][scope call][closure progress_user_data]

progress_user_data

data to pass to the progress_callback function.

[closure]

error

a GError, or NULL

 

Returns

a GDataFeed of query results; unref with g_object_unref().

[transfer full]


gdata_calendar_service_query_own_calendars_async ()

void
gdata_calendar_service_query_own_calendars_async
                               (GDataCalendarService *self,
                                GDataQuery *query,
                                GCancellable *cancellable,
                                GDataQueryProgressCallback progress_callback,
                                gpointer progress_user_data,
                                GDestroyNotify destroy_progress_user_data,
                                GAsyncReadyCallback callback,
                                gpointer user_data);

Queries the service to return a list of calendars from the authenticated account which match the given query , and the authenticated user owns. self and query are all reffed when this function is called, so can safely be unreffed after this function returns.

For more details, see gdata_calendar_service_query_own_calendars(), which is the synchronous version of this function, and gdata_service_query_async(), which is the base asynchronous query function.

Parameters

self

a GDataCalendarService

 

query

a GDataQuery with the query parameters, or NULL.

[allow-none]

cancellable

optional GCancellable object, or NULL.

[allow-none]

progress_callback

a GDataQueryProgressCallback to call when an entry is loaded, or NULL.

[allow-none][closure progress_user_data]

progress_user_data

data to pass to the progress_callback function.

[closure]

destroy_progress_user_data

the function to call when progress_callback will not be called any more, or NULL. This function will be called with progress_user_data as a parameter and can be used to free any memory allocated for it.

[allow-none]

callback

a GAsyncReadyCallback to call when authentication is finished

 

user_data

data to pass to the callback function.

[closure]

Since: 0.9.1


gdata_calendar_service_query_events ()

GDataFeed *
gdata_calendar_service_query_events (GDataCalendarService *self,
                                     GDataCalendarCalendar *calendar,
                                     GDataQuery *query,
                                     GCancellable *cancellable,
                                     GDataQueryProgressCallback progress_callback,
                                     gpointer progress_user_data,
                                     GError **error);

Queries the service to return a list of events in the given calendar , which match query .

For more details, see gdata_service_query().

Parameters

self

a GDataCalendarService

 

calendar

a GDataCalendarCalendar

 

query

a GDataQuery with the query parameters, or NULL.

[allow-none]

cancellable

optional GCancellable object, or NULL.

[allow-none]

progress_callback

a GDataQueryProgressCallback to call when an entry is loaded, or NULL.

[allow-none][scope call][closure progress_user_data]

progress_user_data

data to pass to the progress_callback function.

[closure]

error

a GError, or NULL

 

Returns

a GDataFeed of query results; unref with g_object_unref().

[transfer full]


gdata_calendar_service_query_events_async ()

void
gdata_calendar_service_query_events_async
                               (GDataCalendarService *self,
                                GDataCalendarCalendar *calendar,
                                GDataQuery *query,
                                GCancellable *cancellable,
                                GDataQueryProgressCallback progress_callback,
                                gpointer progress_user_data,
                                GDestroyNotify destroy_progress_user_data,
                                GAsyncReadyCallback callback,
                                gpointer user_data);

Queries the service to return a list of events in the given calendar , which match query . self , calendar and query are all reffed when this function is called, so can safely be unreffed after this function returns.

Get the results of the query using gdata_service_query_finish() in the callback .

For more details, see gdata_calendar_service_query_events(), which is the synchronous version of this function, and gdata_service_query_async(), which is the base asynchronous query function.

Parameters

self

a GDataCalendarService

 

calendar

a GDataCalendarCalendar

 

query

a GDataQuery with the query parameters, or NULL.

[allow-none]

cancellable

optional GCancellable object, or NULL.

[allow-none]

progress_callback

a GDataQueryProgressCallback to call when an entry is loaded, or NULL.

[allow-none][closure progress_user_data]

progress_user_data

data to pass to the progress_callback function.

[closure]

destroy_progress_user_data

the function to call when progress_callback will not be called any more, or NULL. This function will be called with progress_user_data as a parameter and can be used to free any memory allocated for it.

[allow-none]

callback

a GAsyncReadyCallback to call when the query is finished

 

user_data

data to pass to the callback function.

[closure]

Since: 0.9.1


gdata_calendar_service_insert_event ()

GDataCalendarEvent *
gdata_calendar_service_insert_event (GDataCalendarService *self,
                                     GDataCalendarEvent *event,
                                     GCancellable *cancellable,
                                     GError **error);

gdata_calendar_service_insert_event has been deprecated since version 0.17.2 and should not be used in newly-written code.

Use gdata_calendar_service_insert_calendar_event() instead to be able to specify the calendar to add the event to; otherwise the default calendar will be used.

Inserts event by uploading it to the online calendar service.

For more details, see gdata_service_insert_entry().

Parameters

self

a GDataCalendarService

 

event

the GDataCalendarEvent to insert

 

cancellable

optional GCancellable object, or NULL.

[allow-none]

error

a GError, or NULL

 

Returns

an updated GDataCalendarEvent, or NULL; unref with g_object_unref().

[transfer full]

Since: 0.2.0


gdata_calendar_service_insert_event_async ()

void
gdata_calendar_service_insert_event_async
                               (GDataCalendarService *self,
                                GDataCalendarEvent *event,
                                GCancellable *cancellable,
                                GAsyncReadyCallback callback,
                                gpointer user_data);

gdata_calendar_service_insert_event_async has been deprecated since version 0.17.2 and should not be used in newly-written code.

Use gdata_calendar_service_insert_calendar_event_async() instead to be able to specify the calendar to add the event to; otherwise the default calendar will be used.

Inserts event by uploading it to the online calendar service. self and event are both reffed when this function is called, so can safely be unreffed after this function returns.

callback should call gdata_service_insert_entry_finish() to obtain a GDataCalendarEvent representing the inserted event and to check for possible errors.

For more details, see gdata_calendar_service_insert_event(), which is the synchronous version of this function, and gdata_service_insert_entry_async(), which is the base asynchronous insertion function.

Parameters

self

a GDataCalendarService

 

event

the GDataCalendarEvent to insert

 

cancellable

optional GCancellable object, or NULL.

[allow-none]

callback

a GAsyncReadyCallback to call when insertion is finished

 

user_data

data to pass to the callback function.

[closure]

Since: 0.8.0


gdata_calendar_service_insert_calendar_event ()

GDataCalendarEvent *
gdata_calendar_service_insert_calendar_event
                               (GDataCalendarService *self,
                                GDataCalendarCalendar *calendar,
                                GDataCalendarEvent *event,
                                GCancellable *cancellable,
                                GError **error);

gdata_calendar_service_insert_calendar_event is deprecated and should not be used in newly-written code.

Inserts event by uploading it to the online calendar service, adding it to the specified calendar .

For more details, see gdata_service_insert_entry().

Parameters

self

a GDataCalendarService

 

calendar

the GDataCalendarCalendar to insert the event into

 

event

the GDataCalendarEvent to insert

 

cancellable

optional GCancellable object, or NULL.

[allow-none]

error

a GError, or NULL

 

Returns

an updated GDataCalendarEvent, or NULL; unref with g_object_unref().

[transfer full]

Since: 0.17.2


gdata_calendar_service_insert_calendar_event_async ()

void
gdata_calendar_service_insert_calendar_event_async
                               (GDataCalendarService *self,
                                GDataCalendarCalendar *calendar,
                                GDataCalendarEvent *event,
                                GCancellable *cancellable,
                                GAsyncReadyCallback callback,
                                gpointer user_data);

Inserts event by uploading it to the online calendar service, adding it to the specified calendar . self and event are both reffed when this function is called, so can safely be unreffed after this function returns.

callback should call gdata_service_insert_entry_finish() to obtain a GDataCalendarEvent representing the inserted event and to check for possible errors.

For more details, see gdata_calendar_service_insert_event(), which is the synchronous version of this function, and gdata_service_insert_entry_async(), which is the base asynchronous insertion function.

Parameters

self

a GDataCalendarService

 

calendar

the GDataCalendarCalendar to insert the event into

 

event

the GDataCalendarEvent to insert

 

cancellable

optional GCancellable object, or NULL.

[allow-none]

callback

a GAsyncReadyCallback to call when insertion is finished

 

user_data

data to pass to the callback function.

[closure]

Since: 0.17.2

Types and Values

GDataCalendarService

typedef struct _GDataCalendarService GDataCalendarService;

All the fields in the GDataCalendarService structure are private and should never be accessed directly.


GDataCalendarServiceClass

typedef struct {
} GDataCalendarServiceClass;

All the fields in the GDataCalendarServiceClass structure are private and should never be accessed directly.

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