retrieve excerpt
[prss.git] / src / ttrss_ws.c
index cdd7296..92bd60c 100644 (file)
  * 02110-1301 USA
  */
 
+#include <stdio.h>
 #include <stdlib.h>
 #include <string.h>
-#include <stdio.h>
+
+#include <pthread.h>
 
 #include <json/json.h>
 
 #include "http.h"
+#include "log.h"
 #include "ttrss_ws.h"
 #include "url.h"
 
+static pthread_mutex_t *lock;
+
 static char *session_id;
 static char *session_url;
 static char *session_user;
@@ -42,6 +47,11 @@ 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));
 }
 
+void ws_request_add_att_bool(json_object *rq, const char *k, int v)
+{
+       json_object_object_add(rq, k, json_object_new_boolean(v));
+}
+
 struct json_object *ws_request_new(const char *op)
 {
        struct json_object *rq;
@@ -56,7 +66,7 @@ struct json_object *ws_request_new(const char *op)
        return rq;
 }
 
-void ws_init(const char *url, const char *user, const char *pwd)
+void ws_set_config(const char *url, const char *user, const char *pwd)
 {
        char *tmp;
 
@@ -87,25 +97,66 @@ 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)
+static struct json_object *execute(struct json_object *rq, char **err)
 {
-       struct json_object *rp, *content;
+       struct json_object *rp, *content, *jerror;
+       const char *str;
 
        rp = http_json_get(session_url, rq);
 
+       content = NULL;
+
        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;
+               if (content) {
+                       jerror = json_object_object_get(content, "error");
+                       if (jerror) {
+                               if (err) {
+                                       str = json_object_get_string(jerror);
+                                       *err = strdup(str);
+                               }
+                               content = NULL;
+                       } else {
+                               json_object_get(content);
+                       }
                }
 
                json_object_put(rp);
        }
 
-       return NULL;
+       return content;
+}
+
+struct json_object *ws_execute(struct json_object *rq)
+{
+       char *err;
+       struct json_object *result;
+
+       log_debug("ws_execute()");
+       pthread_mutex_lock(lock);
+       log_debug("ws_execute() lock");
+
+       err = NULL;
+       result = execute(rq, &err);
+
+       if (err) {
+               log_debug("ws_execute(): error=%s\n", err);
+
+               if (!strcmp(err, "NOT_LOGGED_IN")) {
+                       ws_open_session();
+                       result = execute(rq, NULL);
+               }
+
+               free(err);
+       }
+
+       log_debug("ws_execute() unlock");
+       pthread_mutex_unlock(lock);
+
+       log_debug("ws_execute()");
+
+       return result;
 }
 
 int ws_get_api_version()
@@ -142,13 +193,14 @@ char *ws_login()
        rp = ws_execute(rq);
        json_object_put(rq);
 
+       str = NULL;
        if (rp) {
                j = json_object_object_get(rp, "session_id");
-               str = strdup(json_object_get_string(j));
+
+               if (j)
+                       str = strdup(json_object_get_string(j));
 
                json_object_put(rp);
-       } else {
-               str = NULL;
        }
 
        return str;
@@ -156,16 +208,19 @@ char *ws_login()
 
 int ws_open_session()
 {
-       int version, result;
+       int /*version, */result;
+
+       log_debug("ws_open_session()");
 
        if (session_id)
                free(session_id);
 
+       session_id = NULL;
        session_id = ws_login();
 
        if (session_id) {
-               version = ws_get_api_version();
-               printf("API version: %d\n", version);
+               /*version = ws_get_api_version();
+               log_debug("API version= %d", version);
 
                if (version > 0) {
                        result = 1;
@@ -173,7 +228,8 @@ int ws_open_session()
                        free(session_id);
                        session_id = NULL;
                        result = 0;
-               }
+                       }*/
+               result = 1;
        } else {
                result =  0;
        }
@@ -212,12 +268,13 @@ char *ws_get_article_content(int id)
 int ws_update_headlines(struct feed *feed)
 {
        struct json_object *rp, *rq, *jheadline, *j;
-       int i, n, err, hid;
+       int i, n, hid;
        struct headline *h, **tmp;
        const char *title, *url;
 
        rq = ws_request_new("getHeadlines");
        ws_request_add_att_int(rq, "feed_id", feed->id);
+       ws_request_add_att_bool(rq, "show_excerpt", 1);
 
        rp = ws_execute(rq);
 
@@ -241,6 +298,10 @@ int ws_update_headlines(struct feed *feed)
 
                                h = headline_new(hid, url, title);
 
+                               j = json_object_object_get(jheadline,
+                                                          "excerpt");
+                               h->excerpt = strdup(json_object_get_string(j));
+
                                tmp = headlines_add(feed->headlines, h);
                                if (feed->headlines)
                                        free(feed->headlines);
@@ -250,13 +311,11 @@ int ws_update_headlines(struct feed *feed)
                        j = json_object_object_get(jheadline, "unread");
                        h->unread = json_object_get_boolean(j);
                }
-               err = 0;
+               json_object_put(rp);
+               return 1;
        } else {
-               err = 1;
+               return 0;
        }
-
-       json_object_put(rp);
-       return !err;
 }
 
 struct feed **ws_update_feeds(struct feed **feeds)
@@ -266,7 +325,7 @@ struct feed **ws_update_feeds(struct feed **feeds)
        struct feed *feed, **tmp;
        const char *title, *url;
 
-       printf("ttrss_get_feeds\n");
+       log_debug("ws_update_feeds()");
 
        rq = ws_request_new("getFeeds");
 
@@ -296,21 +355,57 @@ struct feed **ws_update_feeds(struct feed **feeds)
                                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);
                }
+               json_object_put(rp);
        } else {
                feeds_free(feeds);
                feeds = NULL;
        }
 
-       json_object_put(rp);
-
-       printf("ttrss_get_feeds ended\n");
+       log_debug("ws_update_feeds() done");
 
        return feeds;
 }
+
+struct json_object *ws_request_new_set_article_unread(int id, int unread)
+{
+       struct json_object *rq;
+
+       rq = ws_request_new("updateArticle");
+       json_object_object_add(rq, "article_ids", json_object_new_int(id));
+       json_object_object_add(rq, "field", json_object_new_int(2));
+       json_object_object_add(rq, "mode", json_object_new_int(unread));
+
+       return rq;
+}
+
+void ws_set_article_unread(int id, int unread)
+{
+       struct json_object *rp, *rq;
+
+       log_debug("ws_set_article_unread(%d,%d)", id, unread);
+
+       rq = ws_request_new_set_article_unread(id, unread);
+
+       rp = ws_execute(rq);
+
+       json_object_put(rq);
+
+       if (rp)
+               json_object_put(rp);
+
+       log_debug("ws_set_article_unread(%d,%d) done", id, unread);
+}
+
+void ws_init()
+{
+       pthread_mutexattr_t    attr;
+
+       pthread_mutexattr_settype(&attr, PTHREAD_MUTEX_RECURSIVE);
+       lock = malloc(sizeof(pthread_mutex_t));
+       pthread_mutex_init(lock, &attr);
+}