From a6d9415077d0d1b2a64a9b81c099176517774c47 Mon Sep 17 00:00:00 2001
From: Steffen Waldmann <steffen.waldmann@sap.com>
Date: Mon, 16 Dec 2024 16:12:18 +0100
Subject: [PATCH] Feedback button for Matomo (#1524)

Co-authored-by: Christian Georgi <chgeo@users.noreply.github.com>
Co-authored-by: Christian Georgi <christian.georgi@sap.com>
---
 .vitepress/theme/Layout.vue                   |   7 +
 .vitepress/theme/components/ShortcutsList.vue |   4 +-
 .../theme/components/WasThisHelpful.vue       | 216 ++++++++++++++++++
 3 files changed, 226 insertions(+), 1 deletion(-)
 create mode 100644 .vitepress/theme/components/WasThisHelpful.vue

diff --git a/.vitepress/theme/Layout.vue b/.vitepress/theme/Layout.vue
index 6b502bd16..3c4f1bcf7 100644
--- a/.vitepress/theme/Layout.vue
+++ b/.vitepress/theme/Layout.vue
@@ -6,12 +6,16 @@ import ImplVariants from './components/implvariants/ImplVariants.vue'
 import NavScreenMenuItem from './components/implvariants/NavScreenMenuItem.vue'
 import Ribbon from './components/Ribbon.vue'
 import ScrollToTop from './components/ScrollToTopSimple.vue'
+import WasThisHelpful from './components/WasThisHelpful.vue'
+import { useRoute } from 'vitepress'
 
 const isPreview = !!import.meta.env.VITE_CAPIRE_PREVIEW
 
 const { Layout } = DefaultTheme
 const { frontmatter } = useData()
 
+const route = useRoute()
+
 </script>
 
 <template>
@@ -24,6 +28,9 @@ const { frontmatter } = useData()
     <template #doc-top>
       <slot name="doc-top" />
     </template>
+    <template #doc-after>
+      <WasThisHelpful :key="route.path" />
+    </template>
     <template #not-found>
       <slot name="not-found" />
     </template>
diff --git a/.vitepress/theme/components/ShortcutsList.vue b/.vitepress/theme/components/ShortcutsList.vue
index b5a284f9b..a4e4bd93f 100644
--- a/.vitepress/theme/components/ShortcutsList.vue
+++ b/.vitepress/theme/components/ShortcutsList.vue
@@ -84,6 +84,8 @@ watch(visible, isVisible => {
 })
 
 function onKeyDown(event) {
+  const { tagName, isContentEditable } = document.activeElement
+  if (tagName === 'INPUT' || tagName === 'TEXTAREA' || isContentEditable)  return
   if (document.activeElement === document.querySelectorAll(querySelectorSearchInput)[0])  return // search is active
   if (event.altKey || event.ctrlKey || event.metaKey)  return // only simple keys for now
   if (event.key === 'Shift' && visible.value) {
@@ -92,7 +94,7 @@ function onKeyDown(event) {
   }
   const cmd = commands.value.find(cmd => !!cmd.keys.find(k => k.value === event.key))
   const enabled = cmd && cmd.run && ('enabled' in cmd ? cmd.enabled() : true)
-  if (enabled)  {
+  if (enabled) {
     event.preventDefault()
     cmd.run(event)
   }
diff --git a/.vitepress/theme/components/WasThisHelpful.vue b/.vitepress/theme/components/WasThisHelpful.vue
new file mode 100644
index 000000000..6d2e0342f
--- /dev/null
+++ b/.vitepress/theme/components/WasThisHelpful.vue
@@ -0,0 +1,216 @@
+<template>
+  <div class="helpful-container">
+    <p v-if="!feedbackSent">Was this page helpful?</p>
+    <div v-if="!feedbackSent" class="button-row">
+      <button
+        :class="{ selected: selection === 'Positive' }"
+        @click="handlePositive"
+        title="This page was helpful"
+      >
+        👍
+      </button>
+      <button
+        :class="{ selected: selection === 'Negative' }"
+        @click="handleNegative"
+        title="This page was not helpful"
+      >
+        👎
+      </button>
+    </div>
+
+    <p v-if="feedbackSent" class="thank-you">Thank you for your feedback!</p>
+
+    <div class="feedback-section" v-if="feedbackSelected && !feedbackSent">
+      <div>
+        <p>Thank you for your feedback!</p>
+        <p><br>Feel free to add an optional comment below.<br>Make sure not to include any personal information.</p>
+      </div>
+      <div class="textarea-container">
+        <textarea
+          ref="feedbackInput"
+          v-model="feedbackText"
+          :placeholder="placeholderText"
+          :maxlength="charLimit"
+          class="feedback-textarea"
+        ></textarea>
+
+        <p class="char-count">{{ feedbackText.length }}/140</p>
+      </div>
+
+      <div class="send-feedback">
+        <button class="feedback-button" @click="sendFeedback" :disabled="!feedbackText.trim()">Send</button>
+      </div>
+    </div>
+
+    <p class="more-feedback" v-if="feedbackSelected">
+      More to say?
+      <a href="https://github.com/cap-js/docs/issues" target="_blank">
+        Report an issue.
+      </a>
+    </p>
+  </div>
+</template>
+
+<script setup>
+import { ref, computed } from 'vue'
+
+const charLimit = 140
+const feedbackText = ref('')
+const feedbackSelected = ref(false)
+const feedbackSent = ref(false)
+const selection = ref(null)
+
+const handlePositive = () => {
+  if (selection.value === 'Positive') return
+  if (typeof window !== 'undefined' && window._paq) {
+    const path = new URL(window.location.href).pathname
+    window._paq.push(['trackEvent', path, 'Positive'])
+  }
+  feedbackSelected.value = true
+  selection.value = 'Positive'
+}
+
+const handleNegative = () => {
+  if (selection.value === 'Negative') return
+  if (typeof window !== 'undefined' && window._paq) {
+    const path = new URL(window.location.href).pathname
+    window._paq.push(['trackEvent', path, 'Negative'])
+  }
+  feedbackSelected.value = true
+  selection.value = 'Negative'
+}
+
+const sendFeedback = () => {
+  if (typeof window !== 'undefined' && window._paq) {
+    const path = new URL(window.location.href).pathname
+    const name = feedbackText.value.trim()
+    window._paq.push(['trackEvent', path, selection.value, name])
+    feedbackSent.value = true
+  }
+}
+
+const placeholderText = computed(() => {
+  if (selection.value === 'Positive') return 'What did you like about the page?'
+  if (selection.value === 'Negative') return 'What did you miss on this page?'
+  return ''
+})
+</script>
+
+<style scoped>
+.helpful-container {
+  display: flex;
+  flex-direction: column;
+  align-items: center;
+  margin-top: 30px;
+}
+
+p {
+  margin: 0;
+}
+
+.button-row {
+  display: flex;
+  gap: 1rem;
+  margin-top: 0.5rem;
+  justify-content: center;
+}
+
+button {
+  cursor: pointer;
+  border: 1px solid var(--vp-c-divider);
+  padding: 0.5rem 1rem;
+  border-radius: 4px;
+  background: none;
+}
+
+button:hover {
+  border-color: var(--vp-c-brand-1);
+}
+
+button.selected {
+  border-color: var(--vp-c-brand-1);
+  font-weight: bold;
+}
+
+.feedback-button {
+  background-color: #3b82f7;
+  border: none;
+  font-weight: 600;
+  transition: opacity 0.2s;
+  min-width: 100px;
+}
+
+.feedback-button:hover, .feedback-button.selected {
+  border: none;
+  opacity: 0.8;
+}
+
+.feedback-button:disabled {
+  opacity: 0.5;
+  cursor: not-allowed;
+}
+
+.feedback-section {
+  display: flex;
+  flex-direction: column;
+  align-items: center;
+  width: 100%;
+  max-width: 500px;
+  gap: 0.5rem;
+  margin-top: 1rem;
+  position: relative;
+  text-align: center;
+}
+
+.textarea-container {
+  position: relative;
+  width: 100%;
+}
+
+.feedback-textarea {
+  font-family: var(--vp-font-family);
+  font-size: 14px;
+  font-weight: 500;
+  width: 100%;
+  height: 90px;
+  padding: 0.5rem;
+  border: 1px solid var(--vp-c-divider);
+  border-radius: 4px;
+  resize: none;
+}
+
+.char-count {
+  position: absolute;
+  bottom: 0.5rem;
+  right: 0.5rem;
+  font-size: 0.9rem;
+  color: #666;
+  padding: 0 0.3rem;
+  border-radius: 3px;
+}
+
+.send-feedback {
+  color: white;
+  text-align: center;
+}
+
+.thank-you {
+  margin-top: 1rem;
+  font-size: 1rem;
+  color: var(--vp-c-success);
+}
+
+.more-feedback {
+  margin-top: 2rem;
+  text-align: center;
+}
+
+.more-feedback a {
+  color: var(--vp-c-brand-1);
+  text-decoration: none;
+}
+
+.more-feedback a:hover {
+  text-decoration: underline;
+}
+</style>