2 files changed, 155 insertions, 0 deletions

diff --git a/docs/customservices.md b/docs/customservices.md
index ef84948..7a151d1 100644
--- a/docs/customservices.md
+++ b/docs/customservices.md
@@ -93,3 +93,15 @@ For Ping you need to set the type to Ping and provide a url.
   subtitle: "Bookmark example" tag: "app" 
   url: "https://www.reddit.com/r/selfhosted/" 
 ```
+
+## Prometheus
+
+For Prometheus you need to set the type to Prometheus and provide a url.
+
+```yaml
+- name: "Prometheus"
+  type: Prometheus
+  logo: "assets/tools/sample.png"
+  url: "http://192.168.0.151/"
+  # subtitle: "Monitor data server"
+```
diff --git a/src/components/services/Prometheus.vue b/src/components/services/Prometheus.vue
new file mode 100644
index 0000000..6efcb34
--- /dev/null
+++ b/src/components/services/Prometheus.vue
@@ -0,0 +1,143 @@
+<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="api"> {{ count }} {{ level }} alerts </template>
+      </p>
+    </template>
+    <template #indicator>
+      <div v-if="api" class="status" :class="level">
+        {{ count }}
+      </div>
+    </template>
+  </Generic>
+</template>
+
+<script>
+import service from "@/mixins/service.js";
+import Generic from "./Generic.vue";
+
+const AlertsStatus = Object.freeze({
+  firing: "firing",
+  pending: "pending",
+  inactive: "inactive",
+});
+
+export default {
+  name: "Prometheus",
+  mixins: [service],
+  props: {
+    item: Object,
+  },
+  components: {
+    Generic,
+  },
+  data: () => ({
+    api: {
+      status: "",
+      count: 0,
+      alerts: {
+        firing: 0,
+        inactive: 0,
+        pending: 0,
+      },
+    },
+  }),
+  computed: {
+    count: function () {
+      return (
+        this.countFiring() || this.countPending() || this.countInactive() || 0
+      );
+    },
+    level: function () {
+      if (this.countFiring()) {
+        return AlertsStatus.firing;
+      } else if (this.countPending()) {
+        return AlertsStatus.pending;
+      }
+      return AlertsStatus.inactive;
+    },
+  },
+  created() {
+    this.fetchStatus();
+  },
+  methods: {
+    fetchStatus: async function () {
+      this.api = await this.fetch("api/v1/alerts").catch((e) => console.log(e));
+    },
+    countFiring: function () {
+      if (this.api) {
+        return this.api.data?.alerts?.filter(
+          (alert) => alert.state === AlertsStatus.firing
+        ).length;
+      }
+      return 0;
+    },
+    countPending: function () {
+      if (this.api) {
+        return this.api.data?.alerts?.filter(
+          (alert) => alert.state === AlertsStatus.pending
+        ).length;
+      }
+      return 0;
+    },
+    countInactive: function () {
+      if (this.api) {
+        return this.api.data?.alerts?.filter(
+          (alert) => alert.state === AlertsStatus.pending
+        ).length;
+      }
+      return 0;
+    },
+  },
+};
+</script>
+
+<style scoped lang="scss">
+.media-left {
+  .image {
+    display: flex;
+    align-items: center;
+  }
+
+  img {
+    max-height: 100%;
+  }
+}
+.status {
+  font-size: 0.8rem;
+  color: var(--text-title);
+
+  &.firing:before {
+    background-color: #d65c68;
+    border-color: #e87d88;
+    box-shadow: 0 0 5px 1px #d65c68;
+  }
+
+  &.pending:before {
+    background-color: #e8bb7d;
+    border-color: #d6a35c;
+    box-shadow: 0 0 5px 1px #e8bb7d;
+  }
+
+  &.inactive:before {
+    background-color: #8fe87d;
+    border-color: #70d65c;
+    box-shadow: 0 0 5px 1px #8fe87d;
+  }
+
+  &:before {
+    content: " ";
+    display: inline-block;
+    width: 7px;
+    height: 7px;
+    margin-right: 10px;
+    border: 1px solid #000;
+    border-radius: 7px;
+  }
+}
+</style>