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Nodes per country list component

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This commit is contained in:
nymkappa
2022-07-16 15:56:36 +02:00
parent fc5fd244d0
commit 376484a937
9 changed files with 172 additions and 4 deletions
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21
backend/src/api/explorer/nodes.api.ts
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@@ -127,12 +127,27 @@ class NodesApi {
public async $getNodesPerCountry(country: string) {
try {
const query = `SELECT nodes.* FROM nodes
JOIN geo_names ON geo_names.id = nodes.country_id
WHERE LOWER(json_extract(names, '$.en')) = ?
const query = `
SELECT node_stats.public_key, node_stats.capacity, node_stats.channels, nodes.alias,
UNIX_TIMESTAMP(nodes.first_seen) as first_seen, UNIX_TIMESTAMP(nodes.updated_at) as updated_at,
geo_names_city.names as city
FROM node_stats
JOIN (
SELECT public_key, MAX(added) as last_added
FROM node_stats
GROUP BY public_key
) as b ON b.public_key = node_stats.public_key AND b.last_added = node_stats.added
LEFT JOIN nodes ON nodes.public_key = node_stats.public_key
LEFT JOIN geo_names geo_names_country ON geo_names_country.id = nodes.country_id
LEFT JOIN geo_names geo_names_city ON geo_names_city.id = nodes.city_id
WHERE LOWER(JSON_EXTRACT(geo_names_country.names, '$.en')) = ?
ORDER BY capacity DESC
`;
const [rows]: any = await DB.query(query, [`"${country}"`]);
for (let i = 0; i < rows.length; ++i) {
rows[i].city = JSON.parse(rows[i].city);
}
return rows;
} catch (e) {
logger.err(`Cannot get nodes for country ${country}. Reason: ${e instanceof Error ? e.message : e}`);