asynchronous download of the article content
[prss.git] / src / ttrss.c
index 78884c1..d77007a 100644 (file)
  */
 
 #include <stdio.h>
+#include <stdlib.h>
 #include <string.h>
+#include <sys/types.h>
+#include <sys/stat.h>
+#include <unistd.h>
 
+#include <glib.h>
 #include <json/json.h>
 
-#include "phttp.h"
-#include "ttrss.h"
+#include "http.h"
+#include "io.h"
+#include "log.h"
+#include "ttrss_cache.h"
+#include "ttrss_wsasync.h"
 #include "url.h"
 
-static char *session_id;
-static char *session_url;
-
-static struct json_object *create_op(const char *op)
-{
-       struct json_object *j;
-
-       j = json_object_new_object();
-       json_object_object_add(j, "op", json_object_new_string(op));
-
-       if (session_id && strcmp(op, "login"))
-               json_object_object_add(j,
-                                      "sid",
-                                      json_object_new_string(session_id));
-
-       return j;
-}
-
-void ttrss_login(const char *url, const char *user, const char *password)
+static struct feed **data;
+char *ttrss_get_headline_content(struct headline *h)
 {
-       struct json_object *content, *rp, *error, *sid, *rq;
-       char *tmp;
-
-       if (session_url)
-               free(session_url);
-
-       tmp = url_normalize(url);
-       session_url = malloc(strlen(tmp) + strlen("/api/") + 1);
-       strcpy(session_url, tmp);
-       strcat(session_url, "/api/");
-       free(tmp);
-
-
-       rq = create_op("login");
-       json_object_object_add(rq, "user", json_object_new_string(user));
-       json_object_object_add(rq,
-                              "password",
-                              json_object_new_string(password));
-
-       rp = post_json_object(session_url, rq);
-       json_object_put(rq);
+       char *content;
 
-       content = json_object_object_get(rp, "content");
-       if (!content) {
-               fprintf(stderr, "Login failed: no content");
-               return ;
-       }
-
-       error = json_object_object_get(content, "error");
-       if (error) {
-               fprintf(stderr, "Login failed");
-               return ;
-       }
+       content = cache_get(h);
 
-       sid = json_object_object_get(content, "session_id");
-
-       if (session_id) {
-               free(session_id);
-               session_id = NULL;
+       if (content) {
+               log_debug("ttrss_get_headline_content: cache hit");
+       } else {
+               log_debug("ttrss_get_headline_content: cache miss");
+               content = ws_get_article_content(h->id);
+               cache_put(h->id, content);
        }
 
-       session_id = strdup(json_object_get_string(sid));
-
-       printf("Session id: %s\n", session_id);
-
-       json_object_put(rp);
+       return content;
 }
 
 struct feed **ttrss_get_feeds()
 {
-       struct json_object *rp, *rq, *content, *jfeed, *j;
-       int i, n;
-       struct feed **feeds, *feed;
-
-       rq = create_op("getFeeds");
-
-       rp = post_json_object(session_url, rq);
-       json_object_put(rq);
-
-       content = json_object_object_get(rp, "content");
-
-       if (content) {
-               n = json_object_array_length(content);
-
-               feeds = malloc((n+1) * sizeof(struct feed *));
-               for (i = 0; i < n; i++) {
-                       jfeed = json_object_array_get_idx(content, i);
-
-                       feed = malloc(sizeof(struct feed));
+       data = ws_update_feeds(data);
 
-                       j = json_object_object_get(jfeed, "title");
-                       feed->title = strdup(json_object_get_string(j));
-
-                       j = json_object_object_get(jfeed, "feed_url");
-                       feed->url = strdup(json_object_get_string(j));
+       return data;
+}
 
-                       j = json_object_object_get(jfeed, "id");
-                       feed->id = json_object_get_int(j);
+struct headline **ttrss_feed_get_headlines(struct feed *f)
+{
+       if (!f->headlines)
+               ws_update_headlines(f);
 
-                       feed->headlines = ttrss_get_headlines(feed->id);
+       return f->headlines;
+}
 
-                       feeds[i] = feed;
-               }
-               feeds[n] = NULL;
-       } else {
-               feeds = NULL;
-       }
+void ttrss_set_article_unread(int id, int unread)
+{
+       log_debug("ttrss_set_article_unread(%d,%d)", id, unread);
 
-       json_object_put(rp);
+       ws_async_set_article_unread(id, unread);
 
-       return feeds;
+       log_debug("ttrss_set_article_unread(%d,%d)", id, unread);
 }
 
-struct headline **ttrss_get_headlines(int feed_id)
+void ttrss_set_config(const char *url, const char *user, const char *pwd)
 {
-       struct json_object *rp, *rq, *content, *jheadline, *j;
-       int i, n;
-       struct headline **headlines, *h;
-
-       rq = create_op("getHeadlines");
-       json_object_object_add(rq, "feed_id", json_object_new_int(feed_id));
-       json_object_object_add(rq, "show_excerpt", json_object_new_boolean(1));
-       json_object_object_add(rq, "show_content", json_object_new_boolean(1));
+       feeds_free(data);
+       data = NULL;
+       ws_set_config(url, user, pwd);
+}
 
-       rp = post_json_object(session_url, rq);
+struct feed *ttrss_get_feed(int id)
+{
+       return feeds_get_feed(data, id);
+}
 
-       json_object_put(rq);
+struct headline *ttrss_get_headline(int id)
+{
+       return feeds_get_headline(data, id);
+}
 
-       content = json_object_object_get(rp, "content");
+static void get_article_content_cbk(int id, const char *content)
+{
+       printf("get_article_content_cbk %d\n", id);
 
-       if (content) {
-               n = json_object_array_length(content);
-               headlines = malloc((n+1)*sizeof(struct headline *));
-               for (i = 0; i < n; i++) {
-                       jheadline = json_object_array_get_idx(content, i);
+       if (content)
+               cache_put(id, content);
+}
 
-                       h = malloc(sizeof(struct headline));
+void ttrs_download_headline_content(struct feed **feeds)
+{
+       struct feed **fcur;
+       struct headline **hcur;
 
-                       j = json_object_object_get(jheadline, "title");
-                       h->title = strdup(json_object_get_string(j));
+       log_debug("ttrs_download_headline_content");
 
-                       j = json_object_object_get(jheadline, "excerpt");
-                       h->excerpt = strdup(json_object_get_string(j));
+       for (fcur = feeds; *fcur; fcur++) {
+               hcur = ttrss_feed_get_headlines(*fcur);
 
-                       j = json_object_object_get(jheadline, "content");
-                       h->content = strdup(json_object_get_string(j));
+               log_debug("ttrs_download_headline_content(): %s",
+                         (*fcur)->title);
 
-                       headlines[i] = h;
+               while (hcur && *hcur) {
+                       if (!cache_exists(*hcur)) {
+                               ws_async_get_article_content
+                                       ((*hcur)->id, get_article_content_cbk);
+                       }
+                       hcur++;
                }
-               headlines[n] = NULL;
-       } else {
-               headlines = NULL;
        }
-
-       json_object_put(rp);
-
-       return headlines;
 }