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#include <rsspp.h>
#include <json.h>
#include <utils.h>
#include <remote_api.h>
#include <newsblur_api.h>
#include <algorithm>
#include <string.h>
#define NEWSBLUR_ITEMS_PER_PAGE 6
namespace newsbeuter {
newsblur_api::newsblur_api(configcontainer * c) : remote_api(c) {
auth_info = utils::strprintf("username=%s&password=%s", cfg->get_configvalue("newsblur-login").c_str(), cfg->get_configvalue("newsblur-password").c_str());
api_location = cfg->get_configvalue("newsblur-url");
min_pages = (cfg->get_configvalue_as_int("newsblur-min-items") + (NEWSBLUR_ITEMS_PER_PAGE + 1)) / NEWSBLUR_ITEMS_PER_PAGE;
if(cfg->get_configvalue("cookie-cache").empty()) {
LOG(LOG_CRITICAL, "newsblur_api::newsblur_api: No cookie-cache has been configured the login won't work.");
}
}
newsblur_api::~newsblur_api() {
}
bool newsblur_api::authenticate() {
json_object * response;
json_object * status;
response = newsblur_api::query_api("/api/login", &auth_info);
status = json_object_object_get(response, "authenticated");
bool result = json_object_get_boolean(status);
LOG(LOG_INFO, "newsblur_api::authenticate: authentication resulted in %u, cached in %s", result, cfg->get_configvalue("cookie-cache").c_str());
return result;
}
std::vector<tagged_feedurl> newsblur_api::get_subscribed_urls() {
std::vector<tagged_feedurl> result;
json_object * response = query_api("/reader/feeds", NULL);
json_object * feeds = json_object_object_get(response, "feeds");
json_object_iterator it = json_object_iter_begin(feeds);
json_object_iterator itEnd = json_object_iter_end(feeds);
while (!json_object_iter_equal(&it, &itEnd)) {
const char * feed_id = json_object_iter_peek_name(&it);
json_object * node;
rsspp::feed current_feed;
current_feed.rss_version = rsspp::NEWSBLUR_JSON;
json_object * feed_json = json_object_iter_peek_value(&it);
node = json_object_object_get(feed_json, "feed_title");
current_feed.title = json_object_get_string(node);
node = json_object_object_get(feed_json, "feed_link");
current_feed.link = json_object_get_string(node);
known_feeds[feed_id] = current_feed;
std::vector<std::string> tags = std::vector<std::string>();
result.push_back(tagged_feedurl(std::string(feed_id), tags));
json_object_iter_next(&it);
}
return result;
}
void newsblur_api::configure_handle(CURL * /*handle*/) {
// nothing required
}
bool request_successfull(json_object * payload) {
json_object * result = json_object_object_get(payload, "result");
if (result == NULL)
return false;
return !strcmp("ok", json_object_get_string(result));
}
bool newsblur_api::mark_all_read(const std::string& feed_url) {
std::string post_data = utils::strprintf("feed_id=%s", feed_url.c_str());
json_object * query_result = query_api("/reader/mark_feed_as_read", &post_data);
return request_successfull(query_result);
}
bool newsblur_api::mark_article_read(const std::string& guid, bool read) {
std::string endpoint;
int separator = guid.find(ID_SEPARATOR);
std::string feed_id = guid.substr(0, separator);
std::string article_id = guid.substr(separator + sizeof(ID_SEPARATOR) - 1);
std::string post_data = "feed_id=" + feed_id + "&" + "story_id=" + article_id;
if(read) {
endpoint = "/reader/mark_story_as_read";
} else {
endpoint = "/reader/mark_story_as_unread";
}
json_object * query_result = query_api(endpoint, &post_data);
return request_successfull(query_result);
}
bool newsblur_api::update_article_flags(const std::string& oldflags, const std::string& newflags, const std::string& guid) {
(void)oldflags;
(void)newflags;
(void)guid;
return false;
}
static bool sort_by_pubdate(const rsspp::item& a, const rsspp::item& b) {
return a.pubDate_ts > b.pubDate_ts;
}
time_t parse_date(const char * raw) {
struct tm tm;
memset(&tm, 0, sizeof(tm));
strptime(raw, "%Y-%m-%d %H:%M:%S", &tm);
return mktime(&tm);
}
rsspp::feed newsblur_api::fetch_feed(const std::string& id) {
rsspp::feed f = known_feeds[id];
LOG(LOG_INFO, "newsblur_api::fetch_feed: about to fetch %u pages of feed %s", min_pages, id.c_str());
for(unsigned int i = 1; i <= min_pages; i++) {
std::string page = utils::to_string(i);
json_object * query_result = query_api("/reader/feed/" + id + "?page=" + page, NULL);
if (!query_result)
return f;
json_object * stories = json_object_object_get(query_result, "stories");
if (!stories) {
LOG(LOG_ERROR, "newsblur_api::fetch_feed: request returned no stories");
return f;
}
if (json_object_get_type(stories) != json_type_array) {
LOG(LOG_ERROR, "newsblur_api::fetch_feed: content is not an array");
return f;
}
struct array_list * items = json_object_get_array(stories);
int items_size = array_list_length(items);
LOG(LOG_DEBUG, "newsblur_api::fetch_feed: %d items", items_size);
for (int i = 0; i < items_size; i++) {
struct json_object * item_obj = (struct json_object *)array_list_get_idx(items, i);
const char * article_id = json_object_get_string(json_object_object_get(item_obj, "id"));
const char * title = json_object_get_string(json_object_object_get(item_obj, "story_title"));
const char * link = json_object_get_string(json_object_object_get(item_obj, "story_permalink"));
const char * content = json_object_get_string(json_object_object_get(item_obj, "story_content"));
const char * pub_date = json_object_get_string(json_object_object_get(item_obj, "story_date"));
bool read_status = json_object_get_int(json_object_object_get(item_obj, "read_status"));
rsspp::item item;
if (title)
item.title = title;
if (link)
item.link = link;
if (content)
item.content_encoded = content;
item.guid = id + ID_SEPARATOR + article_id;
if (read_status == 0) {
item.labels.push_back("newsblur:unread");
} else if (read_status == 1) {
item.labels.push_back("newsblur:read");
}
item.pubDate_ts = parse_date(pub_date);
char rfc822_date[128];
strftime(rfc822_date, sizeof(rfc822_date), "%a, %d %b %Y %H:%M:%S %z", gmtime(&item.pubDate_ts));
item.pubDate = rfc822_date;
f.items.push_back(item);
}
}
std::sort(f.items.begin(), f.items.end(), sort_by_pubdate);
return f;
}
json_object * newsblur_api::query_api(const std::string& endpoint, const std::string* postdata) {
const char * url = (api_location + endpoint).c_str();
std::string data = utils::retrieve_url(url, cfg, NULL, postdata);
json_object * result = json_tokener_parse(data.c_str());
if(!result)
LOG(LOG_WARN, "newsblur_api::query_api: request to %s failed", url);
return result;
}
}
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