skywalking-booster-ui/src/views/dashboard/configuration/MetricOptions.vue

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<template>
  <div v-show="states.isTable" class="ds-name">
    <Selector
      :value="states.graph.dashboardName"
      :options="states.metricList"
      size="mini"
      placeholder="Select a dashboard"
      @change="changeDashboard"
      class="selectors"
    />
  </div>
  <div
    v-for="(metric, index) in states.metrics"
    :key="index"
    class="metric-item"
  >
    <Selector
      :value="metric"
      :options="states.metricList"
      size="mini"
      placeholder="Select a metric"
      @change="changeMetrics(index, $event)"
      class="selectors"
    />
    <Selector
      :value="states.metricTypes[index]"
      :options="states.metricTypeList[index]"
      size="mini"
      :disabled="states.graph.type && !states.isTable && index !== 0"
      @change="changeMetricType(index, $event)"
      class="selectors"
    />
    <span
      v-show="states.isTable || states.metricTypes[0] === 'readMetricsValues'"
    >
      <Icon
        class="cp mr-5"
        v-show="
          index === states.metrics.length - 1 && states.metrics.length < 5
        "
        iconName="add_circle_outlinecontrol_point"
        size="middle"
        @click="addMetric"
      />
      <Icon
        class="cp"
        v-show="states.metrics.length > 1"
        iconName="remove_circle_outline"
        size="middle"
        @click="deleteMetric(index)"
      />
    </span>
  </div>
</template>
<script lang="ts" setup>
import { reactive, watch } from "vue";
import type { PropType } from "vue";
import { Option } from "@/types/app";
import { GraphConfig } from "@/types/dashboard";
import { useDashboardStore } from "@/store/modules/dashboard";
import { MetricTypes, TableChartTypes, MetricCatalog } from "../data";
import { ElMessage } from "element-plus";
import Icon from "@/components/Icon.vue";
import { useQueryProcessor, useSourceProcessor } from "@/hooks/useProcessor";

/*global defineProps, defineEmits */
const props = defineProps({
  graph: {
    type: Object as PropType<GraphConfig>,
    default: () => ({}),
  },
});
const emit = defineEmits(["update", "apply", "loading"]);
const dashboardStore = useDashboardStore();
const { selectedGrid, entity } = dashboardStore;
const { metrics, metricTypes } = selectedGrid;
const states = reactive<{
  metrics: string[];
  metricTypes: string[];
  metricTypeList: Option[][];
  visType: Option[];
  isTable: boolean;
  metricList: (Option & { type: string })[];
  graph: GraphConfig | any;
}>({
  metrics: metrics && metrics.length ? selectedGrid.metrics : [""],
  metricTypes: metricTypes && metricTypes.length ? metricTypes : [""],
  metricTypeList: [],
  visType: [],
  isTable: false,
  metricList: [],
  graph: props.graph,
});
states.isTable = TableChartTypes.includes(states.graph.type);

setMetricType();

async function setMetricType() {
  const json = await dashboardStore.fetchMetricList();
  if (json.errors) {
    ElMessage.error(json.errors);
    return;
  }
  states.metricList = (json.data.metrics || []).filter(
    (d: { catalog: string }) => entity === (MetricCatalog as any)[d.catalog]
  );

  const metrics: any = states.metricList.filter(
    (d: { value: string; type: string }) => {
      const metric = states.metrics.filter((m: string) => m === d.value)[0];
      if (metric) {
        return d;
      }
    }
  );
  for (const metric of metrics) {
    states.metricTypeList.push(MetricTypes[metric.type]);
  }
  if (states.metrics && states.metrics[0]) {
    queryMetrics();
  }
}

function changeMetrics(index: number, arr: (Option & { type: string })[]) {
  if (!arr.length) {
    states.metricTypeList = [];
    states.metricTypes = [];
    emit("apply", { metricTypes: states.metricTypes });
    return;
  }
  states.metrics[index] = arr[0].value;
  const typeOfMetrics = arr[0].type;

  states.metricTypeList[index] = MetricTypes[typeOfMetrics];
  states.metricTypes[index] = MetricTypes[typeOfMetrics][0].value;
  emit("apply", { metricTypes: states.metricTypes, metrics: states.metrics });
  queryMetrics();
}

function changeMetricType(index: number, opt: Option[]) {
  const metric =
    states.metricList.filter(
      (d: Option) => states.metrics[index] === d.value
    )[0] || {};
  if (states.isTable) {
    states.metricTypes[index] = opt[0].value;
    states.metricTypeList[index] = (MetricTypes as any)[metric.type];
  } else {
    states.metricTypes = states.metricTypes.map((d: string) => {
      d = opt[0].value;
      return d;
    });
    states.metricTypeList = states.metricTypeList.map((d: Option[]) => {
      d = (MetricTypes as any)[metric.type];

      return d;
    });
  }
  emit("apply", { metricTypes: states.metricTypes });
  queryMetrics();
}
async function queryMetrics() {
  const params = useQueryProcessor(states);
  if (!params) {
    emit("update", {});
    return;
  }

  emit("loading", true);
  const json = await dashboardStore.fetchMetricValue(params);
  emit("loading", false);
  if (json.errors) {
    ElMessage.error(json.errors);
    return;
  }
  const source = useSourceProcessor(json, states);
  emit("update", source);
}

function changeDashboard(item: Option[]) {
  states.graph.dashboardName = item[0].value;
}
function addMetric() {
  states.metrics.push("");
  if (!states.isTable) {
    states.metricTypes.push(states.metricTypes[0]);
    states.metricTypeList.push(states.metricTypeList[0]);
    return;
  }
  states.metricTypes.push("");
}
function deleteMetric(index: number) {
  states.metrics.splice(index, 1);
  states.metricTypes.splice(index, 1);
}
watch(
  () => props.graph,
  (data: any) => {
    states.isTable = TableChartTypes.includes(data.type);
  }
);
</script>
<style lang="scss" scoped>
.ds-name {
  margin-bottom: 10px;
}

.selectors {
  width: 500px;
  margin-right: 10px;
}

.metric-item {
  margin-bottom: 10px;
}
</style>