(no commit message)
[prss.git] / src / ttrss.c
index 3ec22f8..ecde0a5 100644 (file)
 #include <stdio.h>
 #include <string.h>
 
+#include <glib.h>
 #include <json/json.h>
 
 #include "http.h"
+#include "io.h"
 #include "ttrss_ws.h"
 #include "url.h"
 
 static struct feed **data;
+static char *cache_dir;
+
+static const char *get_cache_dir()
+{
+       char *home;
+
+       if (!cache_dir) {
+               home = getenv("HOME");
+
+               if (!home)
+                       return NULL;
+
+               cache_dir = path_append(home, ".prss/cache");
+               mkdirs(cache_dir, 0777);
+       }
+
+       return cache_dir;
+}
+
+static void file_set_content(const char *path, const char *content)
+{
+       FILE *fp;
+
+       fp = fopen(path, "w");
+       if (fp) {
+               fwrite(content, 1, strlen(content), fp);
+               fclose(fp);
+       }
+}
 
 const char *ttrss_get_headline_content(struct headline *h)
 {
-       if (!h->content)
-               h->content = ws_get_article_content(h->id);
+       const char *cache_dir;
+       char *path, *content;
+
+       if (!h->content) {
+               cache_dir = get_cache_dir();
+               if (cache_dir) {
+                       path = g_strdup_printf("%s/%d", cache_dir, h->id);
+                       
+                       content = file_get_content(path);
+                       
+                       if (content) {
+                               h->content = content;
+                       } else {
+                               h->content = ws_get_article_content(h->id);
+                               
+                               if (h->content)
+                                       file_set_content(path, h->content);
+                       }
+                       
+                       free(path);
+               }
+       }
 
        return h->content;
 }