skywalking-booster-ui/src/views/dashboard/related/topology/service/HierarchyMap.vue

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contributor license agreements.  See the NOTICE file distributed with
this work for additional information regarding copyright ownership.
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  http://www.apache.org/licenses/LICENSE-2.0

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limitations under the License. -->
<template>
  <div
    class="hierarchy-services-topo"
    v-loading="loading"
    element-loading-background="rgba(0, 0, 0, 0)"
    :style="`height: ${height}px`"
  >
    <svg class="hierarchy-services-svg" :width="width" :height="height" @click="svgEvent">
      <g class="hierarchy-services-graph" :transform="`translate(${diff[0]}, ${diff[1]})`">
        <g
          class="topo-node"
          v-for="(n, index) in topologyLayout.nodes"
          :key="index"
          @mouseout="hideTip"
          @mouseover="showNodeTip($event, n)"
          @click="handleNodeClick($event, n)"
          @mousedown="startMoveNode($event, n)"
          @mouseup="stopMoveNode($event)"
        >
          <image width="36" height="36" :x="n.x - 15" :y="n.y - 18" :href="getNodeStatus(n)" />
          <image width="28" height="25" :x="n.x - 14" :y="n.y - 43" :href="icons.LOCAL" style="opacity: 0.8" />
          <image
            width="12"
            height="12"
            :x="n.x - 6"
            :y="n.y - 38"
            :href="!n.type || n.type === `N/A` ? icons.UNDEFINED : icons[n.type.toUpperCase().replace('-', '')]"
          />
          <text
            class="node-text"
            :x="n.x - (Math.min(n.name.length, 20) * 6) / 2 + 6"
            :y="n.y + n.height + 8"
            style="pointer-events: none"
          >
            {{ n.name.length > 20 ? `${n.name.substring(0, 20)}...` : n.name }}
          </text>
        </g>
        <g v-for="(l, index) in topologyLayout.calls" :key="index">
          <path
            class="topo-line"
            :d="`M${l.sourceX} ${l.sourceY} L${l.targetX} ${l.targetY}`"
            stroke="#97B0F8"
            marker-end="url(#arrow)"
          />
        </g>
        <g class="arrows">
          <defs v-for="(_, index) in topologyLayout.calls" :key="index">
            <marker
              id="arrow"
              markerUnits="strokeWidth"
              markerWidth="16"
              markerHeight="16"
              viewBox="0 0 12 12"
              refX="10"
              refY="6"
              orient="auto"
            >
              <path d="M2,2 L10,6 L2,10 L6,6 L2,2" fill="#97B0F8" />
            </marker>
          </defs>
        </g>
      </g>
    </svg>
    <div id="popover"></div>
    <div class="legend">
      <div>
        <img :src="icons.CUBE" />
        <span>
          {{ settings.description ? settings.description.healthy || "" : "" }}
        </span>
      </div>
      <div>
        <img :src="icons.CUBEERROR" />
        <span>
          {{ settings.description ? settings.description.unhealthy || "" : "" }}
        </span>
      </div>
    </div>
    <div class="tool">
      <span class="switch-icon ml-5" title="Settings" @click="showConfig" v-if="dashboardStore.editMode">
        <Icon size="middle" iconName="settings" />
      </span>
    </div>
    <div class="hierarchy-settings" v-if="showSetting && dashboardStore.editMode">
      <hierarchy-settings @update="updateSettings" />
    </div>
  </div>
</template>
<script lang="ts" setup>
  import type { PropType } from "vue";
  import { ref, onMounted, watch, computed, nextTick } from "vue";
  import { useI18n } from "vue-i18n";
  import * as d3 from "d3";
  import type { Node } from "@/types/topology";
  import { useSelectorStore } from "@/store/modules/selectors";
  import { useTopologyStore } from "@/store/modules/topology";
  import { useDashboardStore } from "@/store/modules/dashboard";
  import { EntityType, MetricModes } from "@/views/dashboard/data";
  import router from "@/router";
  import { ElMessage } from "element-plus";
  import type { Service } from "@/types/selector";
  import { useAppStoreWithOut } from "@/store/modules/app";
  // import getDashboard from "@/hooks/useDashboardsSession";
  import type { MetricConfigOpt } from "@/types/dashboard";
  import { aggregation } from "@/hooks/useMetricsProcessor";
  import icons from "@/assets/img/icons";
  import { useQueryTopologyMetrics } from "@/hooks/useMetricsProcessor";
  import { layout, changeNode, computeLevels } from "./utils/layout";
  import zoom from "@/views/dashboard/related/components/utils/zoom";
  import { useQueryTopologyExpressionsProcessor } from "@/hooks/useExpressionsProcessor";
  import HierarchySettings from "../config/HierarchySettings.vue";

  /*global Nullable, defineProps */
  const props = defineProps({
    config: {
      type: Object as PropType<any>,
      default: () => ({}),
    },
  });
  const { t } = useI18n();
  const selectorStore = useSelectorStore();
  const topologyStore = useTopologyStore();
  const dashboardStore = useDashboardStore();
  const appStore = useAppStoreWithOut();
  const height = ref<number>(100);
  const width = ref<number>(100);
  const loading = ref<boolean>(false);
  const svg = ref<Nullable<any>>(null);
  const graph = ref<Nullable<any>>(null);
  const settings = ref<any>(props.config);
  const showSetting = ref<boolean>(false);
  const topologyLayout = ref<any>({});
  const popover = ref<Nullable<any>>(null);
  const graphWidth = ref<number>(100);
  const currentNode = ref<Nullable<Node>>(null);
  const diff = computed(() => [(width.value - graphWidth.value - 120) / 2, 0]);
  const radius = 8;

  onMounted(async () => {
    await nextTick();
    setTimeout(() => {
      init();
    }, 10);
  });
  async function init() {
    const dom = document.querySelector(".hierarchy-related")?.getBoundingClientRect() || {
      height: 80,
      width: 0,
    };
    height.value = dom.height - 80;
    width.value = dom.width;
    svg.value = d3.select(".hierarchy-services-svg");
    graph.value = d3.select(".hierarchy-services-graph");
    loading.value = true;
    await freshNodes();
    svg.value.call(zoom(d3, graph.value, diff.value));
  }
  async function freshNodes() {
    topologyStore.setHierarchyServiceNode(null);
    const resp = await topologyStore.getHierarchyServiceTopology();
    loading.value = false;

    if (resp && resp.errors) {
      ElMessage.error(resp.errors);
    }
    await update();
  }

  async function update() {
    topologyStore.queryHierarchyNodeExpressions(settings.value.hierarchyServicesConfig || []);
    // await initLegendMetrics();
    draw();
    popover.value = d3.select("#popover");
  }

  function updateSettings(config: any) {
    settings.value = config;
  }

  function draw() {
    const levels = computeLevels(topologyStore.hierarchyServiceCalls, topologyStore.hierarchyServiceNodes, []);

    topologyLayout.value = layout(levels, topologyStore.hierarchyServiceCalls, radius);
    graphWidth.value = topologyLayout.value.layout.width;
    const drag: any = d3.drag().on("drag", (d: { x: number; y: number }) => {
      topologyLayout.value.calls = changeNode(d, currentNode.value, topologyLayout.value, radius);
    });
    setTimeout(() => {
      d3.selectAll(".topo-node").call(drag);
    }, 1000);
  }

  function startMoveNode(event: MouseEvent, d: Node) {
    event.stopPropagation();
    currentNode.value = d;
  }
  function stopMoveNode(event: MouseEvent) {
    event.stopPropagation();
    currentNode.value = null;
  }

  function showConfig() {
    showSetting.value = !showSetting.value;
    dashboardStore.selectWidget(props.config);
  }

  async function initLegendMetrics() {
    if (!topologyStore.nodes.length) {
      return;
    }
    if (settings.value.metricMode === MetricModes.Expression) {
      const expression = props.config.legendMQE && props.config.legendMQE.expression;
      if (!expression) {
        return;
      }
      const { getExpressionQuery } = useQueryTopologyExpressionsProcessor([expression], topologyStore.nodes);
      const param = getExpressionQuery();
      const res = await topologyStore.getNodeExpressionValue(param);
      if (res.errors) {
        ElMessage.error(res.errors);
      } else {
        topologyStore.setLegendValues([expression], res.data);
      }
    } else {
      const names = props.config.legend.map((d: any) => d.name);
      if (!names.length) {
        return;
      }
      const ids = topologyStore.nodes.map((d: Node) => d.id);
      if (ids.length) {
        const param = await useQueryTopologyMetrics(names, ids);
        const res = await topologyStore.getLegendMetrics(param);
        if (res.errors) {
          ElMessage.error(res.errors);
        }
      }
    }
  }

  function getNodeStatus(d: any) {
    const { legendMQE } = settings.value;
    if (!legendMQE) {
      return icons.CUBE;
    }
    if (!legendMQE.expression) {
      return icons.CUBE;
    }
    return Number(d[legendMQE.expression]) && d.isReal ? icons.CUBEERROR : icons.CUBE;
  }
  function showNodeTip(event: MouseEvent, data: Node) {
    const nodeMetrics: string[] = settings.value.nodeExpressions;
    const nodeMetricConfig = settings.value.nodeMetricConfig || [];
    const html = nodeMetrics.map((m, index) => {
      const metric =
        topologyStore.hierarchyNodeMetrics[m].values.find(
          (val: { id: string; value: unknown }) => val.id === data.id,
        ) || {};
      const opt: MetricConfigOpt = nodeMetricConfig[index] || {};
      const v = aggregation(metric.value, opt);
      return ` <div class="mb-5"><span class="grey">${opt.label || m}: </span>${v} ${opt.unit || ""}</div>`;
    });
    const tipHtml = [
      `<div class="mb-5"><span class="grey">name: </span>${data.name}</div><div class="mb-5"><span class="grey">layer: </span>${data.layer}</div>`,
      ...html,
    ].join(" ");

    popover.value
      .style("top", event.offsetY + 10 + "px")
      .style("left", event.offsetX + 10 + "px")
      .style("visibility", "visible")
      .html(tipHtml);
  }

  function hideTip() {
    popover.value.style("visibility", "hidden");
  }

  function handleNodeClick(event: MouseEvent, d: Node & { x: number; y: number }) {
    event.stopPropagation();
    hideTip();
    topologyStore.setHierarchyServiceNode(d);
    handleGoDashboard();
  }
  function handleGoDashboard() {
    const name = ""; // todo
    const path = `/dashboard/${dashboardStore.layerId}/${EntityType[0].value}/${topologyStore.node.id}/${name}`;
    const routeUrl = router.resolve({ path });

    window.open(routeUrl.href, "_blank");
    dashboardStore.setEntity(origin);
  }

  function svgEvent() {
    topologyStore.setHierarchyServiceNode(null);
    dashboardStore.selectWidget(props.config);
  }

  watch(
    () => appStore.durationTime,
    () => {
      if (dashboardStore.entity === EntityType[1].value) {
        freshNodes();
      }
    },
  );
</script>
<style lang="scss" scoped>
  .hierarchy-services-topo {
    position: relative;

    .relation-btn {
      position: absolute;
      cursor: pointer;
      top: 50px;
      left: 700px;
      font-size: 12px;
      color: var(--sw-topology-color);
    }

    .node-text {
      fill: var(--sw-topology-color);
      font-size: 12px;
      opacity: 0.9;
    }

    .hierarchy-services-svg {
      cursor: move;
      background-color: var(--el-bg-color);
    }

    .legend {
      position: absolute;
      top: 0;
      left: 0;
      color: var(--sw-topology-color);
      font-size: 12px;

      div {
        margin-bottom: 8px;
      }

      img {
        width: 32px;
        float: left;
      }

      span {
        display: inline-block;
        height: 32px;
        line-height: 32px;
        margin-left: 5px;
      }
    }

    .hierarchy-settings {
      position: absolute;
      top: 40px;
      right: 10px;
      width: 300px;
      height: 400px;
      overflow: auto;
      padding: 0 15px;
      border-radius: 3px;
      color: $disabled-color;
      border: 1px solid $border-color-primary;
      background-color: var(--sw-topology-setting-bg);
      box-shadow: var(--sw-topology-box-shadow);
      transition: all 0.5ms linear;
    }

    .label {
      color: var(--sw-topology-color);
      display: inline-block;
      margin-right: 5px;
    }

    .operations-list {
      position: absolute;
      color: $font-color;
      cursor: pointer;
      border: var(--sw-topology-border);
      border-radius: 3px;
      background-color: $theme-background;
      padding: 10px 0;

      span {
        display: block;
        height: 30px;
        line-height: 30px;
        text-align: left;
        padding: 0 15px;
      }

      span:hover {
        color: $active-color;
        background-color: $popper-hover-bg-color;
      }
    }

    .tool {
      position: absolute;
      top: 10px;
      right: 10px;
    }

    .switch-icon {
      cursor: pointer;
      transition: all 0.5ms linear;
      background: var(--sw-topology-switch-icon);
      color: $text-color;
      display: inline-block;
      padding: 1px;
      border-radius: 3px;
    }

    .topo-line {
      stroke-linecap: round;
      stroke-width: 1px;
      stroke-dasharray: 10 10;
      fill: none;
      animation: var(--sw-topo-animation);
    }

    .topo-line-anchor,
    .topo-node {
      cursor: pointer;
    }
  }

  .el-loading-spinner {
    top: 30%;
  }

  #popover {
    position: absolute;
    visibility: hidden;
    padding: 5px;
    border: var(--sw-topology-border);
    border-radius: 3px;
    background-color: $theme-background;
  }
</style>