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/* -*- Mode: c; c-basic-offset: 2 -*-
*
* photosets-comments-api.c - Flickr flickr.photosets.comments.* API calls
*
* Copyright (C) 2007-2012, David Beckett http://www.dajobe.org/
*
* This file is licensed under the following three licenses as alternatives:
* 1. GNU Lesser General Public License (LGPL) V2.1 or any newer version
* 2. GNU General Public License (GPL) V2 or any newer version
* 3. Apache License, V2.0 or any newer version
*
* You may not use this file except in compliance with at least one of
* the above three licenses.
*
* See LICENSE.html or LICENSE.txt at the top of this package for the
* complete terms and further detail along with the license texts for
* the licenses in COPYING.LIB, COPYING and LICENSE-2.0.txt respectively.
*
*/
#include <stdio.h>
#include <string.h>
#include <stdarg.h>
#ifdef HAVE_CONFIG_H
#include <config.h>
#endif
#ifdef WIN32
#include <win32_flickcurl_config.h>
#endif
#ifdef HAVE_STDLIB_H
#include <stdlib.h>
#undef HAVE_STDLIB_H
#endif
#ifdef HAVE_UNISTD_H
#include <unistd.h>
#endif
#include <flickcurl.h>
#include <flickcurl_internal.h>
/**
* flickcurl_photosets_comments_addComment:
* @fc: flickcurl context
* @photoset_id: The id of the photoset to add a comment to.
* @comment_text: Text of the comment
*
* Add a comment to a photoset.
*
* Implements flickr.photosets.comments.addComment (0.10)
*
* Return value: new comment ID or non-NULL on failure
**/
char*
flickcurl_photosets_comments_addComment(flickcurl* fc,
const char* photoset_id,
const char* comment_text)
{
xmlDocPtr doc = NULL;
xmlXPathContextPtr xpathCtx = NULL;
char* id = NULL;
flickcurl_init_params(fc, 1);
if(!photoset_id || !comment_text)
return NULL;
flickcurl_add_param(fc, "photoset_id", photoset_id);
flickcurl_add_param(fc, "comment_text", comment_text);
flickcurl_end_params(fc);
if(flickcurl_prepare(fc, "flickr.photosets.comments.addComment"))
goto tidy;
doc = flickcurl_invoke(fc);
if(!doc)
goto tidy;
xpathCtx = xmlXPathNewContext(doc);
if(!xpathCtx) {
flickcurl_error(fc, "Failed to create XPath context for document");
fc->failed = 1;
goto tidy;
}
id = flickcurl_xpath_eval(fc, xpathCtx, (const xmlChar*)"/rsp/comment/@id");
tidy:
if(xpathCtx)
xmlXPathFreeContext(xpathCtx);
if(fc->failed) {
if(id)
free(id);
id = NULL;
}
return id;
}
/**
* flickcurl_photosets_comments_deleteComment:
* @fc: flickcurl context
* @comment_id: The id of the comment to delete from a photoset.
*
* Delete a photoset comment as the currently authenticated user.
*
* Implements flickr.photosets.comments.deleteComment (0.10)
*
* Return value: non-0 on failure
**/
int
flickcurl_photosets_comments_deleteComment(flickcurl* fc,
const char* comment_id)
{
xmlDocPtr doc = NULL;
int result = 1;
flickcurl_init_params(fc, 1);
if(!comment_id)
return 1;
flickcurl_add_param(fc, "comment_id", comment_id);
flickcurl_end_params(fc);
if(flickcurl_prepare(fc, "flickr.photosets.comments.deleteComment"))
goto tidy;
doc = flickcurl_invoke(fc);
if(!doc)
goto tidy;
result = 0;
tidy:
if(fc->failed)
result = 1;
return result;
}
/**
* flickcurl_photosets_comments_editComment:
* @fc: flickcurl context
* @comment_id: The id of the comment to edit.
* @comment_text: Update the comment to this text.
*
* Edit the text of a comment as the currently authenticated user.
*
* Implements flickr.photosets.comments.editComment (0.10)
*
* Return value: non-0 on failure
**/
int
flickcurl_photosets_comments_editComment(flickcurl* fc,
const char* comment_id,
const char* comment_text)
{
xmlDocPtr doc = NULL;
int result = 1;
flickcurl_init_params(fc, 1);
if(!comment_id || !comment_text)
return 1;
flickcurl_add_param(fc, "comment_id", comment_id);
flickcurl_add_param(fc, "comment_text", comment_text);
flickcurl_end_params(fc);
if(flickcurl_prepare(fc, "flickr.photosets.comments.editComment"))
goto tidy;
doc = flickcurl_invoke(fc);
if(!doc)
goto tidy;
result = 0;
tidy:
if(fc->failed)
result = 1;
return result;
}
/**
* flickcurl_photosets_comments_getList:
* @fc: flickcurl context
* @photoset_id: The id of the photoset to fetch comments for.
*
* Returns the comments for a photoset.
*
* Implements flickr.photosets.comments.getList (0.10)
*
* Return value: array of comments or NULL on failure
**/
flickcurl_comment**
flickcurl_photosets_comments_getList(flickcurl* fc, const char* photoset_id)
{
xmlDocPtr doc = NULL;
xmlXPathContextPtr xpathCtx = NULL;
flickcurl_comment** comments = NULL;
int comments_count = 0;
flickcurl_init_params(fc, 0);
if(!photoset_id)
return NULL;
flickcurl_add_param(fc, "photoset_id", photoset_id);
flickcurl_end_params(fc);
if(flickcurl_prepare(fc, "flickr.photosets.comments.getList"))
goto tidy;
doc = flickcurl_invoke(fc);
if(!doc)
goto tidy;
xpathCtx = xmlXPathNewContext(doc);
if(!xpathCtx) {
flickcurl_error(fc, "Failed to create XPath context for document");
fc->failed = 1;
goto tidy;
}
comments = flickcurl_build_comments(fc, xpathCtx,
(xmlChar*)"/rsp/comments/comment",
&comments_count);
tidy:
if(xpathCtx)
xmlXPathFreeContext(xpathCtx);
if(fc->failed) {
if(comments)
flickcurl_free_comments(comments);
comments = NULL;
}
return comments;
}
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