54 lines
1.8 KiB
Vue
54 lines
1.8 KiB
Vue
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<template>
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<div v-if="publishDates !== null && $isGranted('sources')" class="card">
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<div class="card-body">
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<p class="small">
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<Icon v="chart-line"/>
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This chart is only visible for the admins.
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Please take it with a grain of salt, considering that our list of sources is very incomplete.
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</p>
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<Chart :data="publishDates" :label="label"/>
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</div>
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</div>
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</template>
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<script>
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export default {
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props: {
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sources: { required: true },
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label: { required: true },
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},
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computed: {
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publishDates() {
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if (this.sources === undefined) {
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return null;
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}
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const dates = {};
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let count = 0;
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let min, max;
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for (let source of this.sources) {
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if (source.year) {
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if (dates[source.year] === undefined) { dates[source.year] = 0; }
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dates[source.year]++;
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count++;
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if (min === undefined || source.year < min) {
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min = source.year;
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}
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if (max === undefined || source.year > max) {
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max = source.year;
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}
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}
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}
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if (Object.keys(dates).length < 2 || count < 5) {
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return null;
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}
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for (let i = min + 1; i < max; i++) {
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if (dates[i] === undefined) {
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dates[i] = 0;
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}
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}
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return dates;
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},
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},
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}
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</script>
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