Add UptimeKuma Service component (#414)

* :sparkles: Add UptimeKuma Service component

* :memo: Add custom services documentation

* Change await to fetch and use new API

* :sparkles: Tri State logic from Uptime Kuma

* :memo: Add and lint documentation

* Remove erroneous logging

Co-authored-by: Evan Steinkerchner <esteinkerchner@gmail.com>

* Remove CORS warning

Co-authored-by: Evan Steinkerchner <esteinkerchner@gmail.com>

* Correct error level

Co-authored-by: Evan Steinkerchner <esteinkerchner@gmail.com>

* Correct error level

Co-authored-by: Evan Steinkerchner <esteinkerchner@gmail.com>

* Prevent caching of requests

Co-authored-by: Evan Steinkerchner <esteinkerchner@gmail.com>

* Prevent caching of requests

Co-authored-by: Evan Steinkerchner <esteinkerchner@gmail.com>

* Undo unrelated changes

Co-authored-by: Evan Steinkerchner <esteinkerchner@gmail.com>

2 files changed, 167 insertions, 0 deletions

diff --git a/docs/customservices.md b/docs/customservices.md
index 509278f..709b16b 100644
--- a/docs/customservices.md
+++ b/docs/customservices.md
@@ -179,3 +179,18 @@ You need to set the type to Emby, provide an api key and choose which stats to s
   apikey: "MY-SUPER-SECRET-API-KEY"
   libraryType: "music" #Choose which stats to show. Can be one of: music, series or movies.
 ```
+
+## Uptime Kuma
+
+Using the Uptime Kuma service you can display info about your instance uptime right on your Homer dashboard.
+
+The following configuration is available for the UptimeKuma service. Needs v1.13.1 or later because of the change in APIs due to [multiple status pages support](https://github.com/louislam/uptime-kuma/releases/tag/1.13.1).
+
+```yaml
+- name: "Uptime Kuma"
+  logo: "assets/tools/sample.png"
+  # subtitle: "A fancy self-hosted monitoring tool" # optional, if no subtitle is defined, Uptime Kuma incidents, if any, will be shown
+  url: "http://192.168.0.151:3001"
+  slug: "myCustomDashboard" # Defaults to "default" if not provided.
+  type: "UptimeKuma"
+```
diff --git a/src/components/services/UptimeKuma.vue b/src/components/services/UptimeKuma.vue
new file mode 100644
index 0000000..5dd75f3
--- /dev/null
+++ b/src/components/services/UptimeKuma.vue
@@ -0,0 +1,152 @@
+<template>
+  <Generic :item="item">
+    <template #content>
+      <p class="title is-4">{{ item.name }}</p>
+      <p class="subtitle is-6">
+        <template v-if="item.subtitle">
+          {{ item.subtitle }}
+        </template>
+        <template v-else-if="status">
+          {{ statusMessage }}
+        </template>
+      </p>
+    </template>
+    <template #indicator>
+      <div v-if="status" class="status" :class="status">
+        {{ uptime }}&percnt;
+      </div>
+    </template>
+  </Generic>
+</template>
+
+<script>
+import service from "@/mixins/service.js";
+import Generic from "./Generic.vue";
+
+export default {
+  name: "UptimeKuma",
+  mixins: [service],
+  props: {
+    item: Object,
+  },
+  components: {
+    Generic,
+  },
+  data: () => ({
+    incident: null,
+    heartbeat: null,
+  }),
+  computed: {
+    dashboard: function () {
+      return this.item.slug ? this.item.slug : "default";
+    },
+    status: function () {
+      if (!this.incident) {
+        return "";
+      }
+      return this.incident.incident == null ? this.pageStatus : "bad";
+    },
+    lastHeartBeatList: function () {
+      let result = {};
+
+      for (let id in this.heartbeat.heartbeatList) {
+        let index = this.heartbeat.heartbeatList[id].length - 1;
+        result[id] = this.heartbeat.heartbeatList[id][index];
+      }
+
+      return result;
+    },
+    pageStatus: function () {
+      if (!this.heartbeat) {
+        return "";
+      }
+      if (Object.keys(this.heartbeat.heartbeatList).length === 0) {
+        return "";
+      }
+      let result = "good";
+      let hasUp = false;
+      for (let id in this.lastHeartBeatList) {
+        let beat = this.lastHeartBeatList[id];
+        if (beat.status == 1) {
+          hasUp = true;
+        } else {
+          result = "warn";
+        }
+      }
+      if (!hasUp) {
+        result = "bad";
+      }
+      return result;
+    },
+    statusMessage: function () {
+      if (!this.incident) {
+        return "";
+      }
+      if (this.incident.incident) {
+        return this.incident.incident.title;
+      }
+      return this.pageStatus == "warn"
+        ? "Partially Degraded Service"
+        : "All Systems Operational";
+    },
+    uptime: function () {
+      if (!this.heartbeat) {
+        return 0;
+      }
+      const data = Object.values(this.heartbeat.uptimeList);
+      const percent = data.reduce((a, b) => a + b, 0) / data.length || 0;
+      return (percent * 100).toFixed(1);
+    },
+  },
+  created() {
+    this.item.url = `${this.item.url}/status/${this.dashboard}`;
+    this.fetchStatus();
+  },
+  methods: {
+    fetchStatus: function () {
+      this.fetch(`/api/status-page/${this.dashboard}?cachebust=${Date.now()}`)
+        .catch((e) => console.error(e))
+        .then((resp) => (this.incident = resp));
+
+      this.fetch(`/api/status-page/heartbeat/${this.dashboard}?cachebust=${Date.now()}`)
+        .catch((e) => console.error(e))
+        .then((resp) => (this.heartbeat = resp));
+    },
+  },
+};
+</script>
+
+<style scoped lang="scss">
+.status {
+  font-size: 0.8rem;
+  color: var(--text-title);
+
+  &.good:before {
+    background-color: #94e185;
+    border-color: #78d965;
+    box-shadow: 0 0 5px 1px #94e185;
+  }
+
+  &.warn:before {
+    background-color: #f8a306;
+    border-color: #e1b35e;
+    box-shadow: 0 0 5px 1px #f8a306;
+  }
+
+  &.bad:before {
+    background-color: #c9404d;
+    border-color: #c42c3b;
+    box-shadow: 0 0 5px 1px #c9404d;
+  }
+
+  &:before {
+    content: " ";
+    display: inline-block;
+    width: 7px;
+    height: 7px;
+    margin-right: 10px;
+    border: 1px solid #000;
+    border-radius: 7px;
+  }
+}
+</style>