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This commit is contained in:
Andras Schmelczer 2026-06-12 21:51:37 +01:00
parent cf39ad754e
commit f59d01227b
91 changed files with 10370 additions and 7562 deletions
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25
server-rs/src/routes/export.rs
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@ -780,31 +780,28 @@ pub async fn get_export(
// groups themselves; postcodes within a group are sorted alphabetically.
// Each group carries a rolled-up summary aggregate for its header row.
let outcode_groups: Vec<OutcodeGroup> = {
let mut order: Vec<String> = Vec::new();
let mut by_outcode: FxHashMap<String, OutcodeGroup> = FxHashMap::default();
let mut groups: Vec<OutcodeGroup> = Vec::new();
let mut idx_by_outcode: FxHashMap<String, usize> = FxHashMap::default();
for (i, (pc_idx, agg)) in postcode_aggs.iter().enumerate() {
let outcode = outcode_of(&postcode_data.postcodes[*pc_idx]).to_string();
let group = by_outcode.entry(outcode.clone()).or_insert_with(|| {
order.push(outcode.clone());
OutcodeGroup {
outcode: outcode.clone(),
let idx = *idx_by_outcode.entry(outcode.clone()).or_insert_with(|| {
groups.push(OutcodeGroup {
outcode,
members: Vec::new(),
summary: PostcodeExportAgg::new(total_export_features),
}
});
groups.len() - 1
});
group.members.push(i);
group.summary.merge_from(agg);
groups[idx].members.push(i);
groups[idx].summary.merge_from(agg);
}
for group in by_outcode.values_mut() {
for group in &mut groups {
group.members.sort_by(|&a, &b| {
postcode_data.postcodes[postcode_aggs[a].0]
.cmp(&postcode_data.postcodes[postcode_aggs[b].0])
});
}
order
.into_iter()
.map(|outcode| by_outcode.remove(&outcode).unwrap())
.collect()
groups
};
// Build Excel workbook with two sheets