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diff --git a/src/ttrss_ws.c b/src/ttrss_ws.c
new file mode 100644 (file)
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+++ b/src/ttrss_ws.c
@@ -0,0 +1,315 @@
+/*
+ * Copyright (C) 2010-2013 jeanfi@gmail.com
+ *
+ * This program is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU General Public License as
+ * published by the Free Software Foundation; either version 2 of the
+ * License, or (at your option) any later version.
+ *
+ * This program 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
+ * General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program; if not, write to the Free Software
+ * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA
+ * 02110-1301 USA
+ */
+
+#include <string.h>
+#include <stdio.h>
+
+#include <json/json.h>
+
+#include "http.h"
+#include "ttrss_ws.h"
+#include "url.h"
+
+static char *session_id;
+static char *session_url;
+static char *session_user;
+static char *session_pwd;
+
+void ws_request_add_att_str(json_object *rq, const char *k, const char *str)
+{
+       json_object_object_add(rq, k, json_object_new_string(str));
+}
+
+void ws_request_add_att_int(json_object *rq, const char *k, int v)
+{
+       json_object_object_add(rq, k, json_object_new_int(v));
+}
+
+struct json_object *ws_request_new(const char *op)
+{
+       struct json_object *rq;
+
+       rq = json_object_new_object();
+
+       ws_request_add_att_str(rq, "op", op);
+
+       if (session_id)
+               ws_request_add_att_str(rq, "sid", session_id);
+
+       return rq;
+}
+
+void ws_init(const char *url, const char *user, const char *pwd)
+{
+       char *tmp;
+
+       if (session_url && !strcmp(session_url, url)
+           && session_user && !strcmp(session_user, user)
+           && session_pwd && !strcmp(session_pwd, pwd))
+               return ;
+
+       free(session_id);
+       session_id = NULL;
+
+       free(session_user);
+       session_user = strdup(user);
+
+       free(session_pwd);
+       session_pwd = strdup(pwd);
+
+       tmp = url_normalize(url);
+       free(session_url);
+       session_url = malloc(strlen(tmp) + strlen("/api/") + 1);
+       strcpy(session_url, tmp);
+       strcat(session_url, "/api/");
+       free(tmp);
+}
+
+struct json_object *ws_reply_get_content(struct json_object *rp)
+{
+       return json_object_object_get(rp, "content");
+}
+
+struct json_object *ws_execute(struct json_object *rq)
+{
+       struct json_object *rp, *content;
+
+       rp = http_json_get(session_url, rq);
+
+       if (rp) {
+               content = ws_reply_get_content(rp);
+
+               if (content && !json_object_object_get(rp, "error")) {
+                       json_object_get(content);
+                       json_object_put(rp);
+                       return content;
+               }
+
+               json_object_put(rp);
+       }
+
+       return NULL;
+}
+
+int ws_get_api_version()
+{
+       struct json_object *rp, *rq;
+       int v;
+
+       rq = ws_request_new("getApiLevel");
+
+       rp = ws_execute(rq);
+
+       json_object_put(rq);
+
+       if (rp) {
+               v = json_object_get_int(json_object_object_get(rp, "level"));
+
+               json_object_put(rp);
+       } else {
+               v = 0;
+       }
+
+       return v;
+}
+
+char *ws_login()
+{
+       struct json_object *rq, *rp, *j;
+       char *str;
+
+       rq = ws_request_new("login");
+       ws_request_add_att_str(rq, "user", session_user);
+       ws_request_add_att_str(rq, "password", session_pwd);
+
+       rp = ws_execute(rq);
+       json_object_put(rq);
+
+       if (rp) {
+               j = json_object_object_get(rp, "session_id");
+               str = strdup(json_object_get_string(j));
+
+               json_object_put(rp);
+       } else {
+               str = NULL;
+       }
+
+       return str;
+}
+
+int ws_open_session()
+{
+       int version, result;
+
+       if (session_id)
+               free(session_id);
+
+       session_id = ws_login();
+
+       if (session_id) {
+               version = ws_get_api_version();
+               printf("API version: %d\n", version);
+
+               if (version > 0) {
+                       result = 1;
+               } else {
+                       free(session_id);
+                       session_id = NULL;
+                       result = 0;
+               }
+       } else {
+               result =  0;
+       }
+
+       return result;
+}
+
+char *ws_get_article_content(int id)
+{
+       struct json_object *rp, *rq, *content, *item;
+       char *str;
+
+       rq = ws_request_new("getArticle");
+       ws_request_add_att_int(rq, "article_id", id);
+
+       rp = ws_execute(rq);
+
+       json_object_put(rq);
+
+       str = NULL;
+
+       if (rp) {
+               item = json_object_array_get_idx(rp, 0);
+
+               if (item) {
+                       content = json_object_object_get(item, "content");
+                       str = strdup(json_object_get_string(content));
+               }
+
+               json_object_put(rp);
+       }
+
+       return str;
+}
+
+int ws_update_headlines(struct feed *feed)
+{
+       struct json_object *rp, *rq, *jheadline, *j;
+       int i, n, err, hid;
+       struct headline *h, **tmp;
+       const char *title, *url;
+
+       rq = ws_request_new("getHeadlines");
+       ws_request_add_att_int(rq, "feed_id", feed->id);
+
+       rp = ws_execute(rq);
+
+       json_object_put(rq);
+
+       if (rp) {
+               n = json_object_array_length(rp);
+               for (i = 0; i < n; i++) {
+                       jheadline = json_object_array_get_idx(rp, i);
+
+                       j = json_object_object_get(jheadline, "id");
+                       hid = json_object_get_int(j);
+                       h = feed_get_headline(feed, hid);
+
+                       if (!h) {
+                               j = json_object_object_get(jheadline, "title");
+                               title = json_object_get_string(j);
+
+                               j = json_object_object_get(jheadline, "link");
+                               url = json_object_get_string(j);
+
+                               h = headline_new(hid, url, title);
+
+                               tmp = headlines_add(feed->headlines, h);
+                               if (feed->headlines)
+                                       free(feed->headlines);
+                               feed->headlines = tmp;
+                       }
+
+                       j = json_object_object_get(jheadline, "unread");
+                       h->unread = json_object_get_boolean(j);
+               }
+               err = 0;
+       } else {
+               err = 1;
+       }
+
+       json_object_put(rp);
+       return !err;
+}
+
+struct feed **ws_update_feeds(struct feed **feeds)
+{
+       struct json_object *rp, *rq, *jfeed, *j;
+       int i, n, id;
+       struct feed *feed, **tmp;
+       const char *title, *url;
+
+       printf("ttrss_get_feeds\n");
+
+       rq = ws_request_new("getFeeds");
+
+       rp = ws_execute(rq);
+       json_object_put(rq);
+
+       if (rp) {
+               n = json_object_array_length(rp);
+
+               for (i = 0; i < n; i++) {
+                       jfeed = json_object_array_get_idx(rp, i);
+
+                       j = json_object_object_get(jfeed, "id");
+                       id = json_object_get_int(j);
+
+                       feed = feeds_get_feed(feeds, id);
+
+                       if (!feed) {
+                               j = json_object_object_get(jfeed, "title");
+                               title = json_object_get_string(j);
+
+                               j = json_object_object_get(jfeed, "feed_url");
+                               url = json_object_get_string(j);
+
+                               feed = feed_new(id, url, title);
+
+                               tmp = feeds_add(feeds, feed);
+                               free(feeds);
+                               feeds = tmp;
+                       } else {
+                               printf("found!\n");
+                       }
+
+                       j = json_object_object_get(jfeed, "unread");
+                       feed->unread = json_object_get_int(j);
+               }
+       } else {
+               feeds_free(feeds);
+               feeds = NULL;
+       }
+
+       json_object_put(rp);
+
+       printf("ttrss_get_feeds ended\n");
+
+       return feeds;
+}