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chart - show relative values

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This commit is contained in:
Jan Prochazka
2020-12-12 10:21:49 +01:00
parent 0081deb844
commit 737298c6f3
2 changed files with 27 additions and 7 deletions
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33
packages/web/src/charts/chartDataLoader.ts
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@@ -24,7 +24,7 @@ export async function loadChartStructure(driver: EngineDriver, conid, database,
export async function loadChartData(driver: EngineDriver, conid, database, sql, config) {
const dataColumns = extractDataColumns(config);
const { labelColumn, truncateFrom, truncateLimit } = config;
const { labelColumn, truncateFrom, truncateLimit, showRelativeValues } = config;
if (!labelColumn || !dataColumns || dataColumns.length == 0) return null;
const select: Select = {
@@ -76,11 +76,30 @@ export async function loadChartData(driver: EngineDriver, conid, database, sql,
const dmp = driver.createDumper();
dumpSqlSelect(dmp, select);
const resp = await axios.post('database-connections/query-data', { conid, database, sql: dmp.s });
if (truncateFrom == 'end' && resp.data.rows) {
return {
...resp.data,
rows: _.reverse([...resp.data.rows]),
};
let { rows, columns } = resp.data;
if (truncateFrom == 'end' && rows) {
rows = _.reverse([...rows]);
}
return resp.data;
if (showRelativeValues) {
const maxValues = dataColumns.map((col) => _.max(rows.map((row) => row[col])));
for (const [col, max] of _.zip(dataColumns, maxValues)) {
if (!max) continue;
if (!_.isNumber(max)) continue;
if (!(max > 0)) continue;
rows = rows.map((row) => ({
...row,
[col]: (row[col] / max) * 100,
}));
// columns = columns.map((x) => {
// if (x.columnName == col) {
// return { columnName: `${col} %` };
// }
// return x;
// });
}
}
return {
columns,
rows,
};
}