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/* -*- Mode: C; indent-tabs-mode: t; c-basic-offset: 8; tab-width: 8 -*- */
/*
* GData Client
* Copyright (C) Thibault Saunier 2009 <saunierthibault@gmail.com>
* Copyright (C) Philip Withnall 2010 <philip@tecnocode.co.uk>
* Copyright (C) Red Hat, Inc. 2016
*
* GData Client is free software; you can redistribute it and/or
* modify it under the terms of the GNU Lesser General Public
* License as published by the Free Software Foundation; either
* version 2.1 of the License, or (at your option) any later version.
*
* GData Client is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
* Lesser General Public License for more details.
*
* You should have received a copy of the GNU Lesser General Public
* License along with GData Client. If not, see <http://www.gnu.org/licenses/>.
*/
/**
* SECTION:gdata-documents-spreadsheet
* @short_description: GData Documents spreadsheet object
* @stability: Stable
* @include: gdata/services/documents/gdata-documents-spreadsheet.h
*
* #GDataDocumentsSpreadsheet is a subclass of #GDataDocumentsDocument to represent a spreadsheet from Google Documents.
*
* For more details of Google Drive's GData API, see the
* <ulink type="http" url="https://developers.google.com/drive/v2/web/about-sdk">online documentation</ulink>.
*
* <example>
* <title>Downloading a Specific Sheet of a Spreadsheet</title>
* <programlisting>
* GDataDocumentsService *service;
* GDataDocumentsSpreadsheet *spreadsheet;
* GFile *destination_file;
* guint gid;
* gchar *download_uri;
* GDataDownloadStream *download_stream;
* GFileOutputStream *output_stream;
* GError *error = NULL;
*
* /<!-- -->* Create a service and retrieve the spreadsheet and sheet index (GID) to download and the file to save the download in *<!-- -->/
* service = create_youtube_service ();
* spreadsheet = get_document_to_download (service);
* destination_file = query_user_for_destination_file (spreadsheet);
* gid = query_user_for_gid (spreadsheet);
*
* /<!-- -->* Create the download stream *<!-- -->/
* download_uri = gdata_documents_spreadsheet_get_download_uri (spreadsheet, GDATA_DOCUMENTS_SPREADSHEET_CSV, gid);
* download_stream = GDATA_DOWNLOAD_STREAM (gdata_download_stream_new (service, gdata_documents_service_get_spreadsheet_authorization_domain (),
* download_uri, NULL));
* g_free (download_uri);
*
* g_object_unref (spreadsheet);
* g_object_unref (service);
*
* /<!-- -->* Create the file output stream *<!-- -->/
* output_stream = g_file_replace (destination_file, NULL, FALSE, G_FILE_CREATE_REPLACE_DESTINATION, NULL, &error);
*
* g_object_unref (destination_file);
*
* if (error != NULL) {
* g_error ("Error creating destination file: %s", error->message);
* g_error_free (error);
* g_object_unref (download_stream);
* return;
* }
*
* /<!-- -->* Download the document. This should almost always be done asynchronously. *<!-- -->/
* g_output_stream_splice (G_OUTPUT_STREAM (output_stream), G_INPUT_STREAM (download_stream),
* G_OUTPUT_STREAM_SPLICE_CLOSE_SOURCE | G_OUTPUT_STREAM_SPLICE_CLOSE_TARGET, NULL, &error);
*
* g_object_unref (output_stream);
* g_object_unref (download_stream);
*
* if (error != NULL) {
* g_error ("Error downloading spreadsheet: %s", error->message);
* g_error_free (error);
* return;
* }
* </programlisting>
* </example>
*
* Since: 0.4.0
*/
#include <config.h>
#include <glib.h>
#include <glib/gi18n-lib.h>
#include <libxml/parser.h>
#include <string.h>
#include "gdata-documents-spreadsheet.h"
#include "gdata-documents-utils.h"
#include "gdata-parser.h"
#include "gdata-private.h"
static void gdata_documents_spreadsheet_constructed (GObject *object);
G_DEFINE_TYPE (GDataDocumentsSpreadsheet, gdata_documents_spreadsheet, GDATA_TYPE_DOCUMENTS_DOCUMENT)
static void
gdata_documents_spreadsheet_class_init (GDataDocumentsSpreadsheetClass *klass)
{
GObjectClass *gobject_class = G_OBJECT_CLASS (klass);
GDataEntryClass *entry_class = GDATA_ENTRY_CLASS (klass);
gobject_class->constructed = gdata_documents_spreadsheet_constructed;
entry_class->kind_term = "http://schemas.google.com/docs/2007#spreadsheet";
}
static void
gdata_documents_spreadsheet_init (GDataDocumentsSpreadsheet *self)
{
/* Why am I writing it? */
}
static void
gdata_documents_spreadsheet_constructed (GObject *object)
{
G_OBJECT_CLASS (gdata_documents_spreadsheet_parent_class)->constructed (object);
if (!_gdata_parsable_is_constructed_from_xml (GDATA_PARSABLE (object)))
gdata_documents_utils_add_content_type (GDATA_DOCUMENTS_ENTRY (object), "application/vnd.google-apps.spreadsheet");
}
/**
* gdata_documents_spreadsheet_new:
* @id: (allow-none): the entry's ID (not the document ID of the spreadsheet), or %NULL
*
* Creates a new #GDataDocumentsSpreadsheet with the given entry ID (#GDataEntry:id).
*
* Return value: (transfer full): a new #GDataDocumentsSpreadsheet, or %NULL; unref with g_object_unref()
*
* Since: 0.4.0
*/
GDataDocumentsSpreadsheet *
gdata_documents_spreadsheet_new (const gchar *id)
{
return GDATA_DOCUMENTS_SPREADSHEET (g_object_new (GDATA_TYPE_DOCUMENTS_SPREADSHEET, "id", id, NULL));
}
/**
* gdata_documents_spreadsheet_get_download_uri:
* @self: a #GDataDocumentsSpreadsheet
* @export_format: the format in which the spreadsheet should be exported when downloaded
* @gid: the <code class="literal">0</code>-based sheet ID to download, or <code class="literal">-1</code>
*
* Builds and returns the download URI for the given #GDataDocumentsSpreadsheet in the desired format. Note that directly downloading
* the document using this URI isn't possible, as authentication is required. You should instead use gdata_download_stream_new() with
* the URI, and use the resulting #GInputStream.
*
* When requesting a <code class="literal">"csv"</code>, <code class="literal">"tsv"</code>, <code class="literal">"pdf"</code> or
* <code class="literal">"html"</code> file you may specify an additional parameter called @gid which indicates which grid, or sheet, you wish to get
* (the index is <code class="literal">0</code>-based, so GID <code class="literal">1</code> actually refers to the second sheet on a given
* spreadsheet).
*
* Return value: the download URI; free with g_free()
*
* Since: 0.5.0
*/
gchar *
gdata_documents_spreadsheet_get_download_uri (GDataDocumentsSpreadsheet *self, const gchar *export_format, gint gid)
{
const gchar *resource_id, *document_id;
g_return_val_if_fail (GDATA_IS_DOCUMENTS_SPREADSHEET (self), NULL);
g_return_val_if_fail (export_format != NULL && *export_format != '\0', NULL);
g_return_val_if_fail (gid >= -1, NULL);
/* Extract the document ID from the resource ID. */
resource_id = gdata_documents_entry_get_resource_id (GDATA_DOCUMENTS_ENTRY (self));
g_assert (resource_id != NULL);
document_id = g_utf8_strchr (resource_id, -1, ':');
g_assert (document_id != NULL);
document_id++; /* skip over the colon */
if (gid != -1) {
return _gdata_service_build_uri ("http://spreadsheets.google.com/feeds/download/spreadsheets/Export?key=%s&exportFormat=%s&gid=%d",
document_id, export_format, gid);
} else {
return _gdata_service_build_uri ("http://spreadsheets.google.com/feeds/download/spreadsheets/Export?key=%s&exportFormat=%s",
document_id, export_format);
}
}
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