From 06529f7187075f2dd0d1d96ae19b807bc4bb06b1 Mon Sep 17 00:00:00 2001
From: Thomas Basler <thomas@familie-basler.net>
Date: Sat, 9 Jul 2022 12:44:13 +0200
Subject: [PATCH] Show eventlog in live view

---
 webapp/src/components/HomeView.vue          | 73 +++++++++++++++++++--
 webapp/src/components/partials/EventLog.vue | 57 ++++++++++++++++
 2 files changed, 125 insertions(+), 5 deletions(-)
 create mode 100644 webapp/src/components/partials/EventLog.vue

diff --git a/webapp/src/components/HomeView.vue b/webapp/src/components/HomeView.vue
index 938a8e8..a8ad859 100644
--- a/webapp/src/components/HomeView.vue
+++ b/webapp/src/components/HomeView.vue
@@ -23,13 +23,26 @@
                         :id="'v-pills-' + inverter.serial" role="tabpanel"
                         :aria-labelledby="'v-pills-' + inverter.serial + '-tab'" tabindex="0">
                         <div class="card">
-                            <div class="card-header text-white bg-primary" :class="{
-                                'bg-danger': inverter.age_critical,
-                                'bg-primary': !inverter.age_critical,
-                            }">
+                            <div class="card-header text-white bg-primary d-flex justify-content-between align-items-center"
+                                :class="{
+                                    'bg-danger': inverter.age_critical,
+                                    'bg-primary': !inverter.age_critical,
+                                }">
                                 {{ inverter.name }} (Inverter Serial Number:
                                 {{ inverter.serial }}) (Data Age:
                                 {{ inverter.data_age }} seconds)
+
+                                <button v-if="inverter.events >= 0" type="button"
+                                    class="btn btn-sm btn-secondary position-relative"
+                                    @click="onShowEventlog(inverter.serial)"
+                                    title="Show Eventlog">
+                                    <BIconJournalText style="font-size:24px;" />
+                                    <span
+                                        class="position-absolute top-0 start-100 translate-middle badge rounded-pill bg-danger">
+                                        {{ inverter.events }}
+                                        <span class="visually-hidden">unread messages</span>
+                                    </span>
+                                </button>
                             </div>
                             <div class="card-body">
                                 <div class="row flex-row-reverse flex-wrap-reverse align-items-end g-3">
@@ -47,6 +60,33 @@
                 </div>
             </div>
         </template>
+
+        <div class="modal" id="eventView" tabindex="-1">
+            <div class="modal-dialog modal-lg">
+                <div class="modal-content">
+                    <div class="modal-header">
+                        <h5 class="modal-title">Event Log</h5>
+                        <button type="button" class="btn-close" data-bs-dismiss="modal" aria-label="Close"></button>
+                    </div>
+                    <div class="modal-body">
+                        <div class="text-center" v-if="eventLogLoading">
+                            <div class="spinner-border" role="status">
+                                <span class="visually-hidden">Loading...</span>
+                            </div>
+                        </div>
+
+                        <EventLog v-if="!eventLogLoading" :eventLogList="eventLogList" />
+                    </div>
+
+                    <div class="modal-footer">
+                        <button type="button" class="btn btn-secondary" @click="onHideEventlog"
+                            data-bs-dismiss="modal">Close</button>
+                    </div>
+
+                </div>
+            </div>
+        </div>
+
     </div>
 </template>
 
@@ -54,17 +94,20 @@
 import { defineComponent } from 'vue';
 import InverterChannelInfo from "@/components/partials/InverterChannelInfo.vue";
 import * as bootstrap from 'bootstrap';
+import EventLog from '@/components/partials/EventLog.vue';
 
 declare interface Inverter {
     serial: number,
     name: string,
     age_critical: boolean,
-    data_age: 0
+    data_age: 0,
+    events: 0
 }
 
 export default defineComponent({
     components: {
         InverterChannelInfo,
+        EventLog
     },
     data() {
         return {
@@ -73,11 +116,17 @@ export default defineComponent({
             waitForData: true,
             inverterData: [] as Inverter[],
             isFirstFetchAfterConnect: true,
+            eventLogView: {} as bootstrap.Modal,
+            eventLogList: {},
+            eventLogLoading: true
         };
     },
     created() {
         this.initSocket();
     },
+    mounted() {
+        this.eventLogView = new bootstrap.Modal('#eventView');
+    },
     unmounted() {
         this.closeSocket();
     },
@@ -140,6 +189,20 @@ export default defineComponent({
             this.heartInterval && clearTimeout(this.heartInterval);
             this.isFirstFetchAfterConnect = true;
         },
+        onHideEventlog() {
+            this.eventLogView.hide();
+        },
+        onShowEventlog(serial: number) {
+            this.eventLogLoading = true;
+            fetch("/api/eventlog/status")
+                .then((response) => response.json())
+                .then((data) => {
+                    this.eventLogList = data[serial];
+                    this.eventLogLoading = false;
+                });
+
+            this.eventLogView.show();
+        },
     },
 });
 </script>
\ No newline at end of file
diff --git a/webapp/src/components/partials/EventLog.vue b/webapp/src/components/partials/EventLog.vue
new file mode 100644
index 0000000..f8ebe32
--- /dev/null
+++ b/webapp/src/components/partials/EventLog.vue
@@ -0,0 +1,57 @@
+<template>
+    <table class="table table-hover">
+        <thead>
+            <th scope="col">Start</th>
+            <th scope="col">Stop</th>
+            <th scope="col">ID</th>
+            <th scope="col">Message</th>
+        </thead>
+        <tbody>
+            <template v-for="event in eventLogList.count" :key="event">
+                <tr>
+                    <td>{{ timeInHours(eventLogList.events[event - 1].start_time) }}</td>
+                    <td>{{ timeInHours(eventLogList.events[event - 1].end_time) }}</td>
+                    <td>{{ eventLogList.events[event - 1].message_id }}</td>
+                    <td>{{ eventLogList.events[event - 1].message }}</td>
+                </tr>
+            </template>
+        </tbody>
+    </table>
+</template>
+
+<script lang="ts">
+import { defineComponent } from 'vue';
+
+declare interface EventData {
+    message_id: number,
+    message: string,
+    start_time: number,
+    end_time: number
+}
+
+declare interface EventLogData {
+    count: number,
+    events: { [key: number]: EventData }
+}
+
+export default defineComponent({
+    props: {
+        eventLogList: { type: Object as () => EventLogData, required: true },
+    },
+    computed: {
+        timeInHours() {
+            return (value: number) => {
+                const hours = Math.floor((value) / 3600);
+                const minutes = Math.floor((value - hours * 3600) / 60);
+                const seconds = (value - hours * 3600 + minutes * 60) % 60;
+
+                const dHours = hours > 9 ? hours : "0" + hours;
+                const dMins = minutes > 9 ? minutes : "0" + minutes;
+                const dSecs = seconds > 9 ? seconds : "0" + seconds;
+
+                return dHours + ":" + dMins + ":" + dSecs;
+            };
+        },
+    },
+});
+</script>
\ No newline at end of file