Calendar - Fetch

Retrieve a Google Calendar using SQL Server

Prerequisites:

See SQLHTTP easy setup for Google Calendar
See API Call documentation for parameter values and other information
Create the stored procedure documented below

Stored Procedure:


CREATE PROCEDURE usp_Google_Calendar_Fetch(	
		@Profile nvarchar(100),
		@CalendarId varchar(MAX),
		@Response nvarchar(MAX) OUTPUT,
		@StatusCode int OUTPUT,
		@StatusDescription nvarchar(MAX) OUTPUT)
AS

DECLARE @URL nvarchar(MAX)
DECLARE @HTTPSessionID uniqueidentifier

SET @URL = 'https://www.googleapis.com/calendar/v3'

EXEC SQLHTTP.net.UrlBuilder   @URL OUTPUT,
			      @Profile,
			      'calendars', @CalendarId

EXEC SQLHTTP.net.HTTPSession @HTTPSessionID OUTPUT

EXEC usp_Google_Auth_Header @Profile, @HTTPSessionID

EXEC SQLHTTP.net.HTTPRequest 	@HTTPSessionID,
				@URL = @URL,
				@Method = 'GET',
				@ContentType = 'application/json',
				@StatusCode = @StatusCode OUTPUT,
				@StatusDescription = @StatusDescription OUTPUT,
				@Response = @Response OUTPUT
GO

CREATE PROCEDURE usp_Google_Calendar_Fetch(

@Profile nvarchar(100),

@CalendarId varchar(MAX),

@Response nvarchar(MAX) OUTPUT,

@StatusCode int OUTPUT,

@StatusDescription nvarchar(MAX) OUTPUT)

DECLARE @URL nvarchar(MAX)

DECLARE @HTTPSessionID uniqueidentifier

SET @URL = 'https://www.googleapis.com/calendar/v3'

EXEC SQLHTTP.net.UrlBuilder @URL OUTPUT,

@Profile,

'calendars', @CalendarId

EXEC SQLHTTP.net.HTTPSession @HTTPSessionID OUTPUT

EXEC usp_Google_Auth_Header @Profile, @HTTPSessionID

EXEC SQLHTTP.net.HTTPRequest @HTTPSessionID,

@URL = @URL,

@Method = 'GET',

@ContentType = 'application/json',

@StatusCode = @StatusCode OUTPUT,

@StatusDescription = @StatusDescription OUTPUT,

@Response = @Response OUTPUT

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Sample Usage:


DECLARE @Response nvarchar(MAX)
DECLARE @StatusCode int
DECLARE @StatusDescription nvarchar(MAX)
DECLARE @Profile nvarchar(100)

SET @Profile = 'My google'

--Google API Bearer Token expires after an hour
EXEC usp_Google_Auth_Refresh @Profile	

EXEC usp_Google_Calendar_Fetch
		@Profile = @Profile,
		@CalendarId = 'qu0gnjqvchem7miinbe08u2ssk@group.calendar.google.com',
		@Response = @Response OUTPUT, 
		@StatusCode = @StatusCode OUTPUT, 
		@StatusDescription = @StatusDescription OUTPUT

IF @StatusCode >= 400
	EXEC SQLHTTP.net.RaiseHttpError @StatusCode, @StatusDescription, @Response
ELSE
	BEGIN
		
		DECLARE @X xml
		SET @X = SQLHTTP.net.Json_To_Xml(@Response, '0')

		--The XPath syntax below was easily generated by executing the following commands:
		--EXEC SQLHTTP.net.XQueryHelper @X
		--and then executing: 
		--EXEC SQLHTTP.net.XQueryHelper @X, 'JsonObject' --

		SELECT T.C.value(N'@kind', N'nvarchar(MAX)') AS [kind]
		      ,T.C.value(N'@id', N'nvarchar(MAX)') AS [id]
		      ,T.C.value(N'@summary', N'nvarchar(MAX)') AS [summary]
		      ,T.C.value(N'@timeZone', N'nvarchar(MAX)') AS [timeZone]
		FROM @X.nodes(N'/JsonObject') T(C)

	END

DECLARE @Response nvarchar(MAX)

DECLARE @StatusCode int

DECLARE @StatusDescription nvarchar(MAX)

DECLARE @Profile nvarchar(100)

SET @Profile = 'My google'

--Google API Bearer Token expires after an hour

EXEC usp_Google_Auth_Refresh @Profile

EXEC usp_Google_Calendar_Fetch

@Profile = @Profile,

@CalendarId = 'qu0gnjqvchem7miinbe08u2ssk@group.calendar.google.com',

@Response = @Response OUTPUT,

@StatusCode = @StatusCode OUTPUT,

@StatusDescription = @StatusDescription OUTPUT

IF @StatusCode >= 400

EXEC SQLHTTP.net.RaiseHttpError @StatusCode, @StatusDescription, @Response

ELSE

BEGIN

DECLARE @X xml

SET @X = SQLHTTP.net.Json_To_Xml(@Response, '0')

--The XPath syntax below was easily generated by executing the following commands:

--EXEC SQLHTTP.net.XQueryHelper @X

--and then executing:

--EXEC SQLHTTP.net.XQueryHelper @X, 'JsonObject' --

SELECT T.C.value(N'@kind', N'nvarchar(MAX)') AS [kind]

,T.C.value(N'@id', N'nvarchar(MAX)') AS [id]

,T.C.value(N'@summary', N'nvarchar(MAX)') AS [summary]

,T.C.value(N'@timeZone', N'nvarchar(MAX)') AS [timeZone]

FROM @X.nodes(N'/JsonObject') T(C)

END

kind id summary timeZone

------------------ ------------------------------------ ----------------- --------------------

calendar#calendar qu0gnjqvchem7miinbe08u2ssk@group.... calendarSummary America/Los_Angeles

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CODE/SQL ON THESE PAGES ARE PROVIDED AS-IS AND ARE AVAILABLE FOR ILLUSTRATIVE PURPOSES ONLY.

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