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MDL-70795 reportbuilder: editor elements to set column aggregation.

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Aggregation of report columns allows the report editor to perform
common types of data aggregation (concatenation, sum, count, etc)
on given columns.
This commit is contained in:
Paul Holden
2021-10-19 13:56:05 +01:00
parent db7102eba5
commit f47e89a9bd
30 changed files with 1812 additions and 21 deletions
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reportbuilder/classes/table/custom_report_table.php
+18 -2
View File
@@ -81,10 +81,21 @@ class custom_report_table extends base_report_table {
return;
}
// If we are aggregating any columns, we should group by the remaining ones.
$aggregatedcolumns = array_filter($columns, static function(column $column): bool {
return !empty($column->get_aggregation());
});
$hasaggregatedcolumns = !empty($aggregatedcolumns);
$columnheaders = [];
foreach ($columns as $column) {
$columnheaders[$column->get_column_alias()] = $column->get_persistent()->get('heading') ?: $column->get_title();
$columnaggregation = $column->get_aggregation();
if ($hasaggregatedcolumns && empty($columnaggregation)) {
$groupby = array_merge($groupby, $column->get_groupby_sql());
}
// Add each columns fields, joins and params to our report.
$fields = array_merge($fields, $column->get_fields());
$joins = array_merge($joins, $column->get_joins());
@@ -189,13 +200,17 @@ class custom_report_table extends base_report_table {
$column->set_persistent($instance);
// We should clone the report column to ensure if it's added twice to a report, each operates independently.
$columns[$instance->get('id')] = clone $column
->set_index($index);
->set_index($index)
->set_aggregation($instance->get('aggregation'));
}
}
return $columns;
}
/**
* Override parent method for printing headers so we can render our custom controls in each cell
*/
public function print_headers() {
global $OUTPUT, $PAGE;
@@ -214,13 +229,14 @@ class custom_report_table extends base_report_table {
$column = $columns[$index];
$headingeditable = new column_heading_editable(0, $column->get_persistent());
$aggregationeditable = new column_aggregation_editable(0, $column->get_persistent());
// Render table header cell, with all editing controls.
$headercell = $OUTPUT->render_from_template('core_reportbuilder/table_header_cell', [
'entityname' => $this->report->get_entity_title($column->get_entity_name()),
'name' => $column->get_title(),
'headingeditable' => $headingeditable->render($renderer),
'aggregationeditable' => 'Aggregation',
'aggregationeditable' => $aggregationeditable->render($renderer),
'movetitle' => get_string('movecolumn', 'core_reportbuilder', $column->get_title()),
]);