Feat: Server Default Appearances

server/server.js

@@ -282,6 +282,9 @@ let needSetup = false;
     const statusPageRouter = require("./routers/status-page-router");
     app.use(statusPageRouter);
 
+    const { injectDefaultAppearance } = require("./utils/inject-default-appearance");
+    app.use(injectDefaultAppearance);
+
     // Universal Route Handler, must be at the end of all express routes.
     app.get("*", async (_request, response) => {
         if (_request.originalUrl.startsWith("/upload/")) {

server/utils/inject-default-appearance.js

@@ -0,0 +1,50 @@
+const { Settings } = require("../settings");
+const cheerio = require("cheerio");
+const jsesc = require("jsesc");
+const { log } = require("../../src/util");
+
+const injectDefaultAppearance = (req, res, next) => {
+
+    try {
+        // Intercept send() calls and inject Default Appearance
+        // https://stackoverflow.com/a/60817116
+        const oldSend = res.send;
+        res.send = async (data) => {
+
+            if (typeof data === "string") {
+                log.debug("inject-default-appearance", req.method + " " + req.url);
+                const $ = cheerio.load(data);
+
+                const defaultAppearance = await Settings.get("defaultAppearance");
+                if (defaultAppearance) {
+                    const head = $("head");
+
+                    const escapedJSONObject = jsesc(defaultAppearance, { isScriptContext: true });
+
+                    const script = $(`
+                        <script id="default-appearance" data-json="{}">
+                            window.defaultAppearance = ${escapedJSONObject};
+                        </script>
+                    `);
+
+                    head.append(script);
+
+                    data = $.root().html();
+                }
+            }
+
+            res.send = oldSend; // set function back to avoid 'double-send'
+            return res.send(data);
+        };
+
+        next();
+    } catch (e) {
+
+        next(e);
+    }
+
+};
+
+module.exports = {
+    injectDefaultAppearance
+};

src/components/HorizontalTabHeader.vue

@@ -0,0 +1,73 @@
+<template>
+    <div>
+        <ul class="nav nav-tabs">
+            <li v-for="(tab, index) in tabs" :key="index" class="nav-item">
+                <a
+                    class="nav-link"
+                    :class="{ active: index == selected }"
+                    href="#"
+                    @click="$emit('update:selected', index)"
+                >
+                    {{ tab }}
+                </a>
+            </li>
+        </ul>
+    </div>
+</template>
+
+<script lang="js">
+export default {
+    props: {
+        tabs: {
+            type: Array[String],
+            required: true,
+        },
+        selected: {
+            type: Number,
+            required: true,
+        },
+    },
+    emits: [ "update:selected" ],
+    data() {
+        return {};
+    },
+};
+</script>
+
+<style lang="scss" scoped>
+@import "../assets/vars.scss";
+
+.nav-tabs {
+    border-bottom: 1px solid $primary;
+
+    .nav-item {
+        flex-grow: 1;
+
+        .nav-link {
+            text-align: center;
+            border-top-left-radius: 10px;
+            border-top-right-radius: 10px;
+
+            &.active {
+                background-color: $highlight-white;
+
+                .dark & {
+                    color: $dark-font-color;
+                    background-color: $dark-header-bg;
+                }
+
+                border-color: transparent transparent $primary transparent;
+                border-width: 1px 1px 6px 1px;
+            }
+
+            &:hover {
+                .dark & {
+                    background-color: $dark-header-bg;
+                }
+                border-color: $primary;
+                border-width: 1px 1px 6px 1px;
+            }
+        }
+    }
+}
+</style>