import computed from "ember-addons/ember-computed-decorators"; const PAGES_LIMIT = 8; export default Ember.Component.extend({ classNameBindings: ["sortable", "twoColumns"], classNames: ["admin-report-table"], sortable: false, sortDirection: 1, perPage: Ember.computed.alias("options.perPage"), page: 0, @computed("model.computedLabels.length") twoColumns(labelsLength) { return labelsLength === 2; }, @computed("totalsForSample", "options.total", "model.dates_filtering") showTotalForSample(totalsForSample, total, datesFiltering) { // check if we have at least one cell which contains a value const sum = totalsForSample .map(t => t.value) .compact() .reduce((s, v) => s + v, 0); return sum >= 1 && total && datesFiltering; }, @computed("model.total", "options.total", "twoColumns") showTotal(reportTotal, total, twoColumns) { return reportTotal && total && twoColumns; }, @computed("model.data.length") showSortingUI(dataLength) { return dataLength >= 5; }, @computed("totalsForSampleRow", "model.computedLabels") totalsForSample(row, labels) { return labels.map(label => { const computedLabel = label.compute(row); computedLabel.type = label.type; computedLabel.property = label.mainProperty; return computedLabel; }); }, @computed("model.data", "model.computedLabels") totalsForSampleRow(rows, labels) { if (!rows || !rows.length) return {}; let totalsRow = {}; labels.forEach(label => { const reducer = (sum, row) => { const computedLabel = label.compute(row); const value = computedLabel.value; if (!["seconds", "number", "percent"].includes(label.type)) { return; } else { return sum + Math.round(value || 0); } }; const total = rows.reduce(reducer, 0); totalsRow[label.mainProperty] = label.type === "percent" ? Math.round(total / rows.length) : total; }); return totalsRow; }, @computed("sortLabel", "sortDirection", "model.data.[]") sortedData(sortLabel, sortDirection, data) { data = Ember.makeArray(data); if (sortLabel) { const compare = (label, direction) => { return (a, b) => { let aValue = label.compute(a).value; let bValue = label.compute(b).value; const result = aValue < bValue ? -1 : aValue > bValue ? 1 : 0; return result * direction; }; }; return data.sort(compare(sortLabel, sortDirection)); } return data; }, @computed("sortedData.[]", "perPage", "page") paginatedData(data, perPage, page) { if (perPage < data.length) { const start = perPage * page; return data.slice(start, start + perPage); } return data; }, @computed("model.data", "perPage", "page") pages(data, perPage, page) { if (!data || data.length <= perPage) return []; let pages = [...Array(Math.ceil(data.length / perPage)).keys()].map(v => { return { page: v + 1, index: v, class: v === page ? "is-current" : null }; }); if (pages.length > PAGES_LIMIT) { const before = Math.max(0, page - PAGES_LIMIT / 2); const after = Math.max(PAGES_LIMIT, page + PAGES_LIMIT / 2); pages = pages.slice(before, after); } return pages; }, actions: { changePage(page) { this.set("page", page); }, sortByLabel(label) { if (this.get("sortLabel") === label) { this.set("sortDirection", this.get("sortDirection") === 1 ? -1 : 1); } else { this.set("sortLabel", label); } } } });