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<script>
import { GlAlert } from '@gitlab/ui';
import { GlAreaChart } from '@gitlab/ui/dist/charts';
import * as Sentry from '@sentry/browser';
import produce from 'immer';
import { sortBy } from 'lodash';
import { formatDateAsMonth } from '~/lib/utils/datetime_utility';
import { __ } from '~/locale';
import ChartSkeletonLoader from '~/vue_shared/components/resizable_chart/skeleton_loader.vue';
import usersQuery from '../graphql/queries/users.query.graphql';
import { getAverageByMonth } from '../utils';
const sortByDate = (data) => sortBy(data, (item) => new Date(item[0]).getTime());
export default {
name: 'UsersChart',
components: { GlAlert, GlAreaChart, ChartSkeletonLoader },
props: {
startDate: {
type: Date,
required: true,
},
endDate: {
type: Date,
required: true,
},
totalDataPoints: {
type: Number,
required: true,
},
},
data() {
return {
loadingError: null,
users: [],
pageInfo: null,
};
},
apollo: {
users: {
query: usersQuery,
variables() {
return {
first: this.totalDataPoints,
after: null,
};
},
update(data) {
return data.users?.nodes || [];
},
result({ data }) {
const {
users: { pageInfo },
} = data;
this.pageInfo = pageInfo;
this.fetchNextPage();
},
error(error) {
this.handleError(error);
},
},
},
i18n: {
yAxisTitle: __('Total users'),
xAxisTitle: __('Month'),
loadUserChartError: __('Could not load the user chart. Please refresh the page to try again.'),
noDataMessage: __('There is no data available.'),
},
computed: {
isLoading() {
return this.$apollo.queries.users.loading || this.pageInfo?.hasNextPage;
},
chartUserData() {
const averaged = getAverageByMonth(
this.users.length > this.totalDataPoints
? this.users.slice(0, this.totalDataPoints)
: this.users,
{ shouldRound: true },
);
return sortByDate(averaged);
},
options() {
return {
xAxis: {
name: this.$options.i18n.xAxisTitle,
type: 'category',
axisLabel: {
formatter: formatDateAsMonth,
},
},
yAxis: {
name: this.$options.i18n.yAxisTitle,
},
};
},
},
methods: {
handleError(error) {
this.loadingError = true;
this.users = [];
Sentry.captureException(error);
},
fetchNextPage() {
if (this.pageInfo?.hasNextPage) {
this.$apollo.queries.users
.fetchMore({
variables: { first: this.totalDataPoints, after: this.pageInfo.endCursor },
updateQuery: (previousResult, { fetchMoreResult }) => {
return produce(fetchMoreResult, (newUsers) => {
// eslint-disable-next-line no-param-reassign
newUsers.users.nodes = [...previousResult.users.nodes, ...newUsers.users.nodes];
});
},
})
.catch(this.handleError);
}
},
},
};
</script>
<template>
<div>
<h3>{{ $options.i18n.yAxisTitle }}</h3>
<gl-alert v-if="loadingError" variant="danger" :dismissible="false" class="gl-mt-3">
{{ this.$options.i18n.loadUserChartError }}
</gl-alert>
<chart-skeleton-loader v-else-if="isLoading" />
<gl-alert v-else-if="!chartUserData.length" variant="info" :dismissible="false" class="gl-mt-3">
{{ $options.i18n.noDataMessage }}
</gl-alert>
<gl-area-chart
v-else
:option="options"
:include-legend-avg-max="true"
:data="[
{
name: $options.i18n.yAxisTitle,
data: chartUserData,
},
]"
/>
</div>
</template>
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