Kuma/src/components/HeartbeatBar.vue
2025-06-14 18:37:40 +02:00

530 lines
17 KiB
Vue

<template>
<div ref="wrap" class="wrap" :style="wrapStyle">
<div class="hp-bar-big" :style="barStyle">
<div
v-for="(beat, index) in shortBeatList"
:key="index"
class="beat-hover-area"
:class="{ 'empty': (beat === 0 || beat === null || beat.status === null) }"
:style="beatHoverAreaStyle"
:title="getBeatTitle(beat)"
>
<div
class="beat"
:class="{ 'empty': (beat === 0 || beat === null || beat.status === null), 'down': (beat.status === 0), 'pending': (beat.status === 2), 'maintenance': (beat.status === 3) }"
:style="beatStyle"
/>
</div>
</div>
<div
v-if="!$root.isMobile && size !== 'small' && shortBeatList.length > 4 && $root.styleElapsedTime !== 'none'"
class="d-flex justify-content-between align-items-center word" :style="timeStyle"
>
<div>{{ timeSinceFirstBeat }}</div>
<div v-if="$root.styleElapsedTime === 'with-line'" class="connecting-line"></div>
<div>{{ timeSinceLastBeat }}</div>
</div>
</div>
</template>
<script>
import dayjs from "dayjs";
export default {
props: {
/** Size of the heartbeat bar */
size: {
type: String,
default: "big",
},
/** ID of the monitor */
monitorId: {
type: Number,
required: true,
},
/** Array of the monitors heartbeats */
heartbeatList: {
type: Array,
default: null,
},
/** Heartbeat bar days */
heartbeatBarDays: {
type: [ Number, String ],
default: 0
}
},
data() {
return {
beatWidth: 10,
beatHeight: 30,
hoverScale: 1.5,
beatHoverAreaPadding: 4,
move: false,
maxBeat: -1,
};
},
computed: {
/**
* Normalized heartbeatBarDays as a number
* @returns {number} Number of days for heartbeat bar
*/
normalizedHeartbeatBarDays() {
const num = Number(this.heartbeatBarDays);
return isNaN(num) ? 0 : Math.max(0, Math.min(365, Math.floor(num)));
},
/**
* If heartbeatList is null, get it from $root.heartbeatList
* @returns {object} Heartbeat list
*/
beatList() {
if (this.heartbeatList === null) {
return this.$root.heartbeatList[this.monitorId];
} else {
return this.heartbeatList;
}
},
/**
* Calculates the amount of beats of padding needed to fill the length of shortBeatList.
* @returns {number} The amount of beats of padding needed to fill the length of shortBeatList.
*/
numPadding() {
if (!this.beatList) {
return 0;
}
let num = this.beatList.length - this.maxBeat;
if (this.move) {
num = num - 1;
}
if (num > 0) {
return 0;
}
return -1 * num;
},
shortBeatList() {
if (!this.beatList) {
return [];
}
// If heartbeat days is configured (not auto), check if data is already aggregated
if (this.normalizedHeartbeatBarDays > 0) {
// Check if the data is already aggregated from the server
if (this.beatList.length > 0 && this.beatList[0]._aggregated) {
// Data is already aggregated from server, use it directly
// But still limit to maxBeat for display
if (this.beatList.length > this.maxBeat) {
return this.beatList.slice(this.beatList.length - this.maxBeat);
}
return this.beatList;
} else {
// Fallback to client-side aggregation for edit mode
return this.aggregatedBeatList;
}
}
// Original logic for auto mode (heartbeatBarDays = 0)
let placeholders = [];
let start = this.beatList.length - this.maxBeat;
if (this.move) {
start = start - 1;
}
if (start < 0) {
// Add empty placeholder
for (let i = start; i < 0; i++) {
placeholders.push(0);
}
start = 0;
}
return placeholders.concat(this.beatList.slice(start));
},
aggregatedBeatList() {
if (!this.beatList || this.beatList.length === 0) {
return [];
}
// Always do client-side aggregation using fixed time buckets
const now = dayjs();
const buckets = [];
// Use same logic as server-side: 100 buckets
const targetBuckets = 100;
const days = this.normalizedHeartbeatBarDays;
const bucketSizeMinutes = Math.max(1, Math.floor((days * 24 * 60) / targetBuckets));
// Create time buckets from oldest to newest
const startTime = now.subtract(days, "day").startOf("minute");
const endTime = now;
for (let i = 0; i < targetBuckets; i++) {
let bucketStart = startTime.add(i * bucketSizeMinutes, "minute");
let bucketEnd = bucketStart.add(bucketSizeMinutes, "minute");
// Don't create buckets that start after current time
if (bucketStart.isAfter(endTime)) {
break;
}
// Ensure bucket doesn't extend beyond current time
if (bucketEnd.isAfter(endTime)) {
bucketEnd = endTime;
}
buckets.push({
start: bucketStart,
end: bucketEnd,
beats: [],
status: null, // default to no data
time: bucketEnd.toISOString()
});
}
// Group heartbeats into buckets
this.beatList.forEach(beat => {
const beatTime = dayjs.utc(beat.time).local();
const bucket = buckets.find(b =>
beatTime.unix() >= b.start.unix() && beatTime.unix() < b.end.unix()
);
if (bucket) {
bucket.beats.push(beat);
}
});
// Calculate status for each bucket
buckets.forEach(bucket => {
if (bucket.beats.length === 0) {
bucket.status = null; // no data - will be rendered as empty/grey
} else {
// Priority: DOWN (0) > MAINTENANCE (3) > PENDING (2) > UP (1)
const hasDown = bucket.beats.some(b => b.status === 0);
const hasMaintenance = bucket.beats.some(b => b.status === 3);
const hasPending = bucket.beats.some(b => b.status === 2);
if (hasDown) {
bucket.status = 0;
} else if (hasMaintenance) {
bucket.status = 3;
} else if (hasPending) {
bucket.status = 2;
} else {
bucket.status = 1;
}
// Use the bucket end time for consistency
bucket.time = bucket.end.toISOString();
}
});
// Ensure we always return targetBuckets number of items by padding at the start
while (buckets.length < targetBuckets) {
const firstStart = buckets.length > 0 ? buckets[0].start : now.subtract(days, "day");
const paddedStart = firstStart.subtract(bucketSizeMinutes, "minute");
const paddedEnd = firstStart;
buckets.unshift({
start: paddedStart,
end: paddedEnd,
beats: [],
status: null,
time: paddedEnd.toISOString()
});
}
// Limit to maxBeat for display
if (buckets.length > this.maxBeat) {
return buckets.slice(buckets.length - this.maxBeat);
}
return buckets;
},
wrapStyle() {
let topBottom = (((this.beatHeight * this.hoverScale) - this.beatHeight) / 2);
let leftRight = (((this.beatWidth * this.hoverScale) - this.beatWidth) / 2);
return {
padding: `${topBottom}px ${leftRight}px`,
width: "100%",
};
},
barStyle() {
if (this.move && this.shortBeatList.length > this.maxBeat) {
let width = -(this.beatWidth + this.beatHoverAreaPadding * 2);
return {
transition: "all ease-in-out 0.25s",
transform: `translateX(${width}px)`,
};
}
return {
transform: "translateX(0)",
};
},
beatHoverAreaStyle() {
return {
padding: this.beatHoverAreaPadding + "px",
"--hover-scale": this.hoverScale,
};
},
beatStyle() {
return {
width: this.beatWidth + "px",
height: this.beatHeight + "px",
};
},
/**
* Returns the style object for positioning the time element.
* @returns {object} The style object containing the CSS properties for positioning the time element.
*/
timeStyle() {
// For aggregated mode, don't use padding-based positioning
if (this.normalizedHeartbeatBarDays > 0) {
return {
"margin-left": "0px",
};
}
// Original logic for auto mode
return {
"margin-left": this.numPadding * (this.beatWidth + this.beatHoverAreaPadding * 2) + "px",
};
},
/**
* Calculates the time elapsed since the first valid beat.
* @returns {string} The time elapsed in minutes or hours.
*/
timeSinceFirstBeat() {
// For configured days mode, show the configured range
if (this.normalizedHeartbeatBarDays > 0) {
return this.normalizedHeartbeatBarDays < 2 ?
(this.normalizedHeartbeatBarDays * 24) + "h" :
this.normalizedHeartbeatBarDays + "d";
}
// For auto mode, calculate from actual data
const firstValidBeat = this.shortBeatList.at(this.numPadding);
const minutes = dayjs().diff(dayjs.utc(firstValidBeat?.time), "minutes");
return minutes > 60 ? Math.floor(minutes / 60) + "h" : minutes + "m";
},
/**
* Calculates the elapsed time since the last valid beat was registered.
* @returns {string} The elapsed time in a minutes, hours or "now".
*/
timeSinceLastBeat() {
const lastValidBeat = this.shortBeatList.at(-1);
const seconds = dayjs().diff(dayjs.utc(lastValidBeat?.time), "seconds");
let tolerance = 60 * 2; // default for when monitorList not available
if (this.$root.monitorList[this.monitorId] != null) {
tolerance = this.$root.monitorList[this.monitorId].interval * 2;
}
if (seconds < tolerance) {
return this.$t("now");
} else if (seconds < 60 * 60) {
return this.$t("time ago", [ (seconds / 60).toFixed(0) + "m" ]);
} else {
return this.$t("time ago", [ (seconds / 60 / 60).toFixed(0) + "h" ]);
}
}
},
watch: {
beatList: {
handler(val, oldVal) {
this.move = true;
setTimeout(() => {
this.move = false;
}, 300);
},
deep: true,
},
},
unmounted() {
window.removeEventListener("resize", this.resize);
},
beforeMount() {
if (this.heartbeatList === null) {
if (!(this.monitorId in this.$root.heartbeatList)) {
this.$root.heartbeatList[this.monitorId] = [];
}
}
},
mounted() {
if (this.size !== "big") {
this.beatWidth = 5;
this.beatHeight = 16;
this.beatHoverAreaPadding = 2;
}
// Suddenly, have an idea how to handle it universally.
// If the pixel * ratio != Integer, then it causes render issue, round it to solve it!!
const actualWidth = this.beatWidth * window.devicePixelRatio;
const actualHoverAreaPadding = this.beatHoverAreaPadding * window.devicePixelRatio;
if (!Number.isInteger(actualWidth)) {
this.beatWidth = Math.round(actualWidth) / window.devicePixelRatio;
}
if (!Number.isInteger(actualHoverAreaPadding)) {
this.beatHoverAreaPadding = Math.round(actualHoverAreaPadding) / window.devicePixelRatio;
}
window.addEventListener("resize", this.resize);
this.resize();
},
methods: {
/**
* Resize the heartbeat bar
* @returns {void}
*/
resize() {
if (this.$refs.wrap) {
this.maxBeat = Math.floor(this.$refs.wrap.clientWidth / (this.beatWidth + this.beatHoverAreaPadding * 2));
}
},
/**
* Get the title of the beat.
* Used as the hover tooltip on the heartbeat bar.
* @param {object} beat Beat to get title from
* @returns {string} Beat title
*/
getBeatTitle(beat) {
if (beat === 0 || !beat) {
return "";
}
// For client-side aggregated beats (edit mode)
if (beat.beats !== undefined) {
const start = this.$root.datetime(beat.start);
const end = this.$root.datetime(beat.end);
const statusText = beat.status === 1 ? "Up" : beat.status === 0 ? "Down" : beat.status === 3 ? "Maintenance" : "No Data";
return `${start} - ${end}: ${statusText} (${beat.beats.length} checks)`;
}
// For server-side aggregated beats
if (beat._aggregated && beat._counts) {
const counts = beat._counts;
const total = counts.up + counts.down + counts.maintenance + counts.pending;
// Use start time for display if available
const displayTime = beat._startTime ? beat._startTime : beat.time;
if (total === 0) {
return `${this.$root.datetime(displayTime)}: No Data`;
}
let statusText = "";
if (counts.down > 0) {
statusText = "Down";
} else if (counts.maintenance > 0) {
statusText = "Maintenance";
} else if (counts.pending > 0) {
statusText = "Pending";
} else if (counts.up > 0) {
statusText = "Up";
}
return `${this.$root.datetime(displayTime)}: ${statusText} (${total} checks)`;
}
// For individual beats, show timestamp
return `${this.$root.datetime(beat.time)}${beat.msg ? ` - ${beat.msg}` : ""}`;
},
},
};
</script>
<style lang="scss" scoped>
@import "../assets/vars.scss";
.wrap {
overflow: hidden;
width: 100%;
white-space: nowrap;
}
.hp-bar-big {
.beat-hover-area {
display: inline-block;
&:not(.empty):hover {
transition: all ease-in-out 0.15s;
opacity: 0.8;
transform: scale(var(--hover-scale));
}
.beat {
background-color: $primary;
border-radius: $border-radius;
/*
pointer-events needs to be changed because
tooltip momentarily disappears when crossing between .beat-hover-area and .beat
*/
pointer-events: none;
&.empty {
background-color: aliceblue;
}
&.down {
background-color: $danger;
}
&.pending {
background-color: $warning;
}
&.maintenance {
background-color: $maintenance;
}
}
}
}
.dark {
.hp-bar-big .beat.empty {
background-color: #848484;
}
}
.word {
color: $secondary-text;
font-size: 12px;
}
.connecting-line {
flex-grow: 1;
height: 1px;
background-color: #ededed;
margin-left: 10px;
margin-right: 10px;
margin-top: 2px;
.dark & {
background-color: #333;
}
}
</style>