feed editor: allow manual replacement of feed icons

2 files changed, 94 insertions, 11 deletions

diff --git a/functions.js b/functions.js
index f0135f76a..bcb462c47 100644
--- a/functions.js
+++ b/functions.js
@@ -2248,15 +2248,56 @@ function feedArchiveRemove() {
 	}
 }
 
-function uploadIconHandler(iframe) {
+function uploadIconHandler(rc) {
 	try {
-		notify_info("Icon changed!");
+		switch (rc) {
+			case 0:
+				notify_info("Upload complete.");
+				if (inPreferences()) {
+					updateFeedList();
+				} else {
+					setTimeout('updateFeedList(false, false)', 50);
+				}
+				break;
+			case 1:
+				notify_error("Upload failed: icon is too big.");
+				break;
+			case 2:
+				notify_error("Upload failed.");
+				break;
+		}
+
+	} catch (e) {
+		exception_error("uploadIconHandler", e);
+	}
+}
+
+function removeFeedIcon(id) {
+
+	try {
+
+		if (confirm(__("Remove stored feed icon?"))) {
+			var query = "backend.php?op=pref-feeds&subop=removeicon&feed_id=" + param_escape(id);
 
-		alert("Icon changed, blah blah");
+			debug(query);
 
+			notify_progress("Removing feed icon...", true);
 
+			new Ajax.Request("backend.php", {
+				parameters: query,
+				onComplete: function(transport) { 
+					notify_info("Feed icon removed.");
+					if (inPreferences()) {
+						updateFeedList();
+					} else {
+						setTimeout('updateFeedList(false, false)', 50);
+					}
+				} }); 
+		}
+
+		return false;
 	} catch (e) {
-		exception_error("uploadIconHandler", e);
+		exception_error("uploadFeedIcon", e);
 	}
 }
 
@@ -2268,12 +2309,15 @@ function uploadFeedIcon() {
 
 		if (file.value.length == 0) {
 			alert(__("Please select an image file to upload."));
-			return false;
 		} else {
-			notify_progress("Uploading, please wait...", true);
-			return true;
+			if (confirm(__("Upload new icon for this feed?"))) {
+				notify_progress("Uploading, please wait...", true);
+				return true;
+			}
 		}
 
+		return false;
+
 	} catch (e) {
 		exception_error("uploadFeedIcon", e);
 	}
diff --git a/modules/pref-feeds.php b/modules/pref-feeds.php
index 85d1e3f7b..bfb178c2c 100644
--- a/modules/pref-feeds.php
+++ b/modules/pref-feeds.php
@@ -15,9 +15,45 @@
 		$quiet = $_REQUEST["quiet"];
 		$mode = $_REQUEST["mode"];
 
+		if ($subop == "removeicon") {			
+			$feed_id = db_escape_string($_REQUEST["feed_id"]);
+
+			$result = db_query($link, "SELECT id FROM ttrss_feeds
+				WHERE id = '$feed_id' AND owner_uid = ". $_SESSION["uid"]);
+
+			if (db_num_rows($result) != 0) {
+				unlink(ICONS_DIR . "/$feed_id.ico");
+			}
+
+			return;
+		}
+
 		if ($subop == "uploadicon") {
+			$icon_file = $_FILES['icon_file']['tmp_name'];
+			$feed_id = db_escape_string($_REQUEST["feed_id"]);
+
+			if (is_file($icon_file) && $feed_id) {
+				if (filesize($icon_file) < 2000) {
+					
+					$result = db_query($link, "SELECT id FROM ttrss_feeds
+						WHERE id = '$feed_id' AND owner_uid = ". $_SESSION["uid"]);
+
+					if (db_num_rows($result) != 0) {
+						unlink(ICONS_DIR . "/$feed_id.ico");
+						move_uploaded_file($icon_file, ICONS_DIR . "/$feed_id.ico");
+						$rc = 0;
+					} else {
+						$rc = 2;
+					}
+				} else {
+					$rc = 1;
+				}
+			} else {
+				$rc = 2;
+			}
+
 			print "<script type=\"text/javascript\">";
-			print "parent.uploadIconHandler(this);";
+			print "parent.uploadIconHandler($rc);";
 			print "</script>";
 			return;
 		}
@@ -400,7 +436,7 @@
 
 			print "<br/>";
 
-/*			print "<div class=\"dlgSec\">".__("Icon")."</div>";
+			print "<div class=\"dlgSec\">".__("Icon")."</div>";
 			print "<div class=\"dlgSecCont\">";
 
 			print "<iframe name=\"icon_upload_iframe\"
@@ -409,14 +445,17 @@
 			print "<form style='display : block' target=\"icon_upload_iframe\"
 				enctype=\"multipart/form-data\" method=\"POST\" 
 				action=\"backend.php\">
-				<input id=\"icon_file\" name=\"icon_file\" type=\"file\">
+				<input id=\"icon_file\" size=\"10\" name=\"icon_file\" type=\"file\">
 				<input type=\"hidden\" name=\"op\" value=\"pref-feeds\">
+				<input type=\"hidden\" name=\"feed_id\" value=\"$feed_id\">
 				<input type=\"hidden\" name=\"subop\" value=\"uploadicon\">
 				<button onclick=\"return uploadFeedIcon();\"
 					type=\"submit\">".__('Replace')."</button>
+				<button onclick=\"return removeFeedIcon($feed_id);\"
+					type=\"submit\">".__('Remove')."</button>
 				</form>";
 
-			print "</div>"; */
+			print "</div>";
 
 			$title = htmlspecialchars($title, ENT_QUOTES);