From 17f3f4683056dda89b906f252435a4c2e2799aca Mon Sep 17 00:00:00 2001
From: Jean-Philippe Orsini <jeanfi@gmail.com>
Date: Mon, 29 Apr 2013 09:36:15 +0000
Subject: [PATCH 1/1]

---
 src/ttrss.c | 58 +++++++++++++++++++++++++++++++++++++++++++++-------------
 1 file changed, 45 insertions(+), 13 deletions(-)

diff --git a/src/ttrss.c b/src/ttrss.c
index 9b76295..b3b555e 100644
--- a/src/ttrss.c
+++ b/src/ttrss.c
@@ -20,6 +20,10 @@
 #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>
@@ -54,6 +58,8 @@ static void file_set_content(const char *path, const char *content)
 {
 	FILE *fp;
 
+	log_debug("file_set_content(): path=%s", path);
+
 	fp = fopen(path, "w");
 	if (fp) {
 		fwrite(content, 1, strlen(content), fp);
@@ -61,28 +67,53 @@ static void file_set_content(const char *path, const char *content)
 	}
 }
 
-char *ttrss_get_headline_content(struct headline *h)
+static char *content_get_path(const struct headline *h)
 {
 	const char *cache_dir;
-	char *path, *content;
 
 	cache_dir = get_cache_dir();
-	if (cache_dir) {
-		path = g_strdup_printf("%s/%d", cache_dir, h->id);
+	if (cache_dir)
+		return g_strdup_printf("%s/%d", cache_dir, h->id);
 
-		content = file_get_content(path);
+	return NULL;
+}
 
-		if (!content) {
-			content = ws_get_article_content(h->id);
-			file_set_content(path, content);
-		}
+static int is_content_cached(const struct headline *h)
+{
+	struct stat s;
+	char *path;
+	int result;
+
+	path = content_get_path(h);
+
+	if (stat(path, &s) == -1)
+		result = 0;
+	else
+		result = 1;
 
-		g_free(path);
+	free(path);
 
-		return content;
+	return result;
+}
+
+char *ttrss_get_headline_content(struct headline *h)
+{
+	char *path, *content;
+
+	path = content_get_path(h);
+	if (path)
+		content = file_get_content(path);
+	else
+		content = NULL;
+
+	if (!content) {
+		content = ws_get_article_content(h->id);
+		file_set_content(path, content);
 	}
 
-	return NULL;
+	free(path);
+
+	return content;
 }
 
 struct feed **ttrss_get_feeds()
@@ -135,7 +166,8 @@ void ttrs_download_headline_content(struct feed **feeds)
 		hcur = ttrss_feed_get_headlines(*fcur);
 
 		while (hcur && *hcur) {
-			free(ttrss_get_headline_content(*hcur));
+			if (!is_content_cached(*hcur))
+				free(ttrss_get_headline_content(*hcur));
 			hcur++;
 		}
 	}
-- 
2.7.4