Versie 0.2.0

server/data/structure.js

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+// Generated, do not edit. sha256:8017fede3aae4d6eb73088d3b73b43810357285ec3b8acd0f4f14e52251b7e6a
+import * as db from '../db.js';
+
+function tel(sql, params) {
+  const r = db.one(sql, params);
+  return r ? Number(r.n) : 0;
+}
+
+function idLijst(sql, kolom, params) {
+  return db.all(sql, params).map(r => r[kolom]);
+}
+
+export function accountStructure(accountId) {
+  const row = db.one(`SELECT * FROM Account WHERE id = ?`, [accountId]);
+  if (!row) return null;
+  const beideKanten = [accountId, accountId];
+  return {
+    row,
+    counts: {
+      events: tel(`SELECT COUNT(*) AS n FROM Event
+                   WHERE fromAccountId = ? OR toAccountId = ?`, beideKanten),
+      assets: tel(`SELECT COUNT(DISTINCT assetId) AS n FROM Event
+                   WHERE fromAccountId = ? OR toAccountId = ?`, beideKanten),
+      walletSources: tel(`SELECT COUNT(*) AS n FROM WalletSource WHERE accountId = ?`, [accountId]),
+      addresses: tel(`SELECT COUNT(*) AS n FROM WalletAddress WHERE accountId = ?`, [accountId]),
+      walletTransactions: tel(`SELECT COUNT(*) AS n FROM WalletTransaction WHERE accountId = ?`, [accountId]),
+      valuations: tel(`SELECT COUNT(*) AS n FROM Valuation WHERE accountId = ?`, [accountId]),
+    },
+    refs: {
+      assetIds: idLijst(`SELECT DISTINCT assetId FROM Event
+                         WHERE fromAccountId = ? OR toAccountId = ?
+                         ORDER BY assetId`, 'assetId', beideKanten),
+    },
+  };
+}
+
+export function assetStructure(assetId) {
+  const row = db.one(`SELECT * FROM Asset WHERE id = ?`, [assetId]);
+  if (!row) return null;
+  const REKENINGEN = `SELECT fromAccountId AS a FROM Event WHERE assetId = ? AND fromAccountId IS NOT NULL
+                      UNION
+                      SELECT toAccountId   AS a FROM Event WHERE assetId = ? AND toAccountId   IS NOT NULL`;
+  const beideKolommen = [assetId, assetId];
+  return {
+    row,
+    counts: {
+      events: tel(`SELECT COUNT(*) AS n FROM Event WHERE assetId = ?`, [assetId]),
+      accounts: tel(`SELECT COUNT(*) AS n FROM (${REKENINGEN})`, beideKolommen),
+      pricePoints: tel(`SELECT COUNT(*) AS n FROM PriceHistory WHERE assetId = ?`, [assetId]),
+      valuations: tel(`SELECT COUNT(*) AS n FROM Valuation WHERE assetId = ?`, [assetId]),
+      products: tel(`SELECT COUNT(*) AS n FROM MetalProduct WHERE assetId = ?`, [assetId]),
+      coverage: tel(`SELECT COUNT(*) AS n FROM ProviderCoverage
+                     WHERE symbol = (SELECT symbol FROM Asset WHERE id = ?)`, [assetId]),
+    },
+    refs: {
+      accountIds: idLijst(`SELECT a FROM (${REKENINGEN}) ORDER BY a`, 'a', beideKolommen),
+    },
+  };
+}
+
+export function eventRefs({ accountId = null, assetId = null } = {}, limiet = 50) {
+  if (accountId == null && assetId == null) {
+    throw new Error('eventRefs needs an account or an asset; without a filter this is a bulk read.');
+  }
+  const n = Number.isInteger(limiet) && limiet > 0 ? limiet : 50;
+  const waar = [];
+  const params = [];
+  if (accountId != null) {
+    waar.push('(fromAccountId = ? OR toAccountId = ?)');
+    params.push(accountId, accountId);
+  }
+  if (assetId != null) {
+    waar.push('assetId = ?');
+    params.push(assetId);
+  }
+  return db.all(
+    `SELECT id, type, substr(occurredAt, 1, 7) AS month FROM Event
+     WHERE ${waar.join(' AND ')} ORDER BY occurredAt DESC, id DESC LIMIT ?`,
+    [...params, n],
+  ).map(r => ({ id: r.id, type: r.type, month: r.month }));
+}
+
+export function labelStructure(labelId) {
+  const row = db.one(`SELECT * FROM Label WHERE id = ?`, [labelId]);
+  if (!row) return null;
+  return {
+    row,
+    counts: {
+      walletTransactions: tel(`SELECT COUNT(*) AS n FROM WalletTransaction WHERE labelId = ?`, [labelId]),
+    },
+    refs: {},
+  };
+}