Add user post wiping

If a user has spammed a lot of posts and made a mess of the board, this
will allow us to delete all posts by the offending user from the same
IP.

Signed-off-by: Alek Ratzloff <alekratz@gmail.com>

board/static/board/restricted.js

@@ -7,6 +7,7 @@
 if (typeof window.banWindowName === "undefined") {
     window.banWindowName = "ban-window";
     window.modifyWindowName = "modify-window";
+    window.wipeWindowName = "wipe-window";
 }
 
 if (typeof window.menuItemFactories !== "undefined") {
@@ -28,6 +29,15 @@ if (typeof window.menuItemFactories !== "undefined") {
                 openModifyWindow($(postElement).attr("data-modify-url"));
             })
     );
+    window.menuItemFactories.push(
+        (postElement) => $("<a>")
+            .text("Wipe user posts")
+            .attr("href", "#")
+            .on("click", (e) => {
+                e.preventDefault();
+                openWipeWindow($(postElement).attr("data-wipe-url"));
+            })
+    );
 }
 
 ////////////////////////////////////////////////////////////////////////////////
@@ -88,4 +98,30 @@ function openModifyWindow(modifyUrl) {
         modifyWindow.iframe.contentWindow.thisWindow = modifyWindow;
     });
     modifyWindow.show();
+}
+
+////////////////////////////////////////////////////////////////////////////////
+// Wipe window
+////////////////////////////////////////////////////////////////////////////////
+function getWipeWindow() {
+    return window.top.jsFrame.getWindowByName(wipeWindowName);
+}
+
+function openWipeWindow(wipeUrl) {
+    if (window.top.jsFrame.containsWindowName(wipeWindowName)) {
+        getWipeWindow().closeFrame();
+    }
+
+    let wipeWindow = window.top.jsFrame.create({
+        title: "Wipe post",
+        name: wipeWindowName,
+        width: 475,
+        url: wipeUrl,
+    });
+    $(wipeWindow.iframe, "iframe").on("load", () => {
+        fitWindowToContent(wipeWindow);
+        wipeWindow.setResizable(false);
+        wipeWindow.iframe.contentWindow.thisWindow = wipeWindow;
+    });
+    wipeWindow.show();
 }