PureBasic Google Calendar: Update (Patch) a Calendar Entry

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Updates an entry on the user's calendar list.
This example updates the "summary" for the calendar having the ID = "chilkatcloud.com_su2u8trmo6rlq2jh6cr9hb032o@group.calendar.google.com". The new summary will be "Party Calendar".

Documentation: https://developers.google.com/google-apps/calendar/v3/reference/calendarList/patch

IncludeFile "CkJsonObject.pb"
IncludeFile "CkStringBuilder.pb"
IncludeFile "CkRest.pb"
IncludeFile "CkOAuth2.pb"

Procedure ChilkatExample()

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

    success.i

    ;   Provide a previously obtained OAuth2 access token.
    oauth2.i = CkOAuth2::ckCreate()
    If oauth2.i = 0
        Debug "Failed to create object."
        ProcedureReturn
    EndIf

    CkOAuth2::setCkAccessToken(oauth2, "OAUTH2_ACCESS_TOKEN")
    CkRest::ckSetAuthOAuth2(rest,oauth2)

    success = CkRest::ckConnect(rest,"www.googleapis.com",443,1,1)
    If success <> 1
        Debug CkRest::ckLastErrorText(rest)
        CkRest::ckDispose(rest)
        CkOAuth2::ckDispose(oauth2)
        ProcedureReturn
    EndIf

    ;  The following code creates the JSON request body.
    ;  The JSON created by this code is shown below.
    jsonReq.i = CkJsonObject::ckCreate()
    If jsonReq.i = 0
        Debug "Failed to create object."
        ProcedureReturn
    EndIf

    CkJsonObject::ckUpdateString(jsonReq,"summary","Party Calendar")

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

    CkJsonObject::ckEmitSb(jsonReq,sbReq)

    CkRest::ckAddHeader(rest,"Content-Type","application/json")

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

    success = CkRest::ckFullRequestSb(rest,"PATCH","/calendar/v3/calendars/chilkatcloud.com_su2u8trmo6rlq2jh6cr9hb032o@group.calendar.google.com",sbReq,sbJson)
    If success <> 1
        Debug CkRest::ckLastErrorText(rest)
        CkRest::ckDispose(rest)
        CkOAuth2::ckDispose(oauth2)
        CkJsonObject::ckDispose(jsonReq)
        CkStringBuilder::ckDispose(sbReq)
        CkStringBuilder::ckDispose(sbJson)
        ProcedureReturn
    EndIf

    If CkRest::ckResponseStatusCode(rest) <> 200
        Debug "Received error response code: " + Str(CkRest::ckResponseStatusCode(rest))
        Debug "Response body:"
        Debug CkStringBuilder::ckGetAsString(sbJson)
        CkRest::ckDispose(rest)
        CkOAuth2::ckDispose(oauth2)
        CkJsonObject::ckDispose(jsonReq)
        CkStringBuilder::ckDispose(sbReq)
        CkStringBuilder::ckDispose(sbJson)
        ProcedureReturn
    EndIf

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

    CkJsonObject::ckLoadSb(json,sbJson)

    ;  The following code parses the JSON response.
    ;  A sample JSON response is shown below the sample code.
    kind.s
    etag.s
    id.s
    summary.s
    timeZone.s

    kind = CkJsonObject::ckStringOf(json,"kind")
    etag = CkJsonObject::ckStringOf(json,"etag")
    id = CkJsonObject::ckStringOf(json,"id")
    summary = CkJsonObject::ckStringOf(json,"summary")
    timeZone = CkJsonObject::ckStringOf(json,"timeZone")

    Debug "Example Completed."


    CkRest::ckDispose(rest)
    CkOAuth2::ckDispose(oauth2)
    CkJsonObject::ckDispose(jsonReq)
    CkStringBuilder::ckDispose(sbReq)
    CkStringBuilder::ckDispose(sbJson)
    CkJsonObject::ckDispose(json)


    ProcedureReturn
EndProcedure

Sample JSON Request Body

{  
"summary": "Party Calendar" 
}



  

Sample JSON Response Body

{
  "kind": "calendar#calendar",
  "etag": "\"BKjXnZpXR6E5ueFWG3UJk-2POYg/jcCkAVFAjoCovUbrUQlnks64qfY\"",
  "id": "chilkatcloud.com_su2u8trmo6rlq2jh6cr9hb032o@group.calendar.google.com",
  "summary": "Party Calendar",
  "timeZone": "UTC"
}