feat: add clear logs for luci

openwrt/files/luci/cbi.lua

@@ -97,6 +97,30 @@ logLines.default = "1000"
 logLines.datatype = "uinteger"
 logLines.rmempty = false
 
+clearlog = general:taboption("log", Button, "_clearlog", translate("Clear Logs"))
+clearlog.inputtitle = translate("Clear Logs")
+clearlog.inputstyle = "reset"
+function clearlog.write(self, section)
+end
+
+function clearlog.render(self, section, scope)
+    Button.render(self, section, scope)
+    luci.http.write([[
+        <script>
+        document.querySelector("input[name='cbid.ua3f.main._clearlog']").addEventListener("click", function(e) {
+            e.preventDefault();
+            fetch(']] .. luci.dispatcher.build_url("admin/services/ua3f/clear_log") .. [[', {method: 'POST'})
+            .then(resp => {
+                if (resp.ok) {
+                    var textarea = document.getElementById('cbid.ua3f.main.log');
+                    if (textarea) textarea.value = "";
+                }
+            });
+        });
+        </script>
+    ]])
+end
+
 download = general:taboption("log", Button, "_download", translate("Download Logs"))
 download.inputtitle = translate("Download Logs")
 download.inputstyle = "apply"

openwrt/files/luci/controller.lua

@@ -2,7 +2,8 @@ module("luci.controller.ua3f", package.seeall)
 
 function index()
     entry({ "admin", "services", "ua3f" }, cbi("ua3f"), _("UA3F"), 1)
-    entry({ "admin", "services", "ua3f", "download_log" }, call("action_download_log"), _("Download Logs"), 11).leaf = true
+    entry({ "admin", "services", "ua3f", "download_log" }, call("action_download_log")).leaf = true
+    entry({ "admin", "services", "ua3f", "clear_log" }, call("clear_log")).leaf = true
 end
 
 function action_download_log()
@@ -37,3 +38,13 @@ function action_download_log()
 
     nixio.fs.remove(tmpfile)
 end
+
+function clear_log()
+    local logfile = "/var/log/ua3f/ua3f.log"
+    local fs = require "nixio.fs"
+    if fs.access(logfile) then
+        fs.writefile(logfile, "")
+    end
+    luci.http.status(200, "OK")
+    luci.http.write("Log cleared")
+end

openwrt/files/luci/statistics.htm

@@ -77,6 +77,7 @@ end
             const doc = parser.parseFromString(text, "text/html");
             const newRewriteTable = doc.querySelector("#rewrite-stats-table");
             const newPassTable = doc.querySelector("#pass-stats-table");
+            const newLog = doc.querySelector("#cbid\\.ua3f\\.main\\.log");
 
             if (newRewriteTable) {
                 document.querySelector("#rewrite-stats-table").innerHTML = newRewriteTable.innerHTML;
@@ -84,6 +85,10 @@ end
             if (newPassTable) {
                 document.querySelector("#pass-stats-table").innerHTML = newPassTable.innerHTML;
             }
+            if (newLog) {
+                document.querySelector("#cbid\\.ua3f\\.main\\.log").value = newLog.value;
+            }
+
         } catch (err) {
             console.error("update stats error:", err);
         }

openwrt/po/zh_cn/ua3f.po

@@ -85,3 +85,6 @@ msgstr "设置日志级别，请勿长时间将日志级别设置为 debug / inf
 
 msgid "Download Logs"
 msgstr "下载日志"
+
+msgid "Clear Logs"
+msgstr "清除日志"