add server to monorepo.

packages/server/src/collection/BudgetEntriesSet.ts

@@ -0,0 +1,76 @@
+
+
+export default class BudgetEntriesSet {
+
+  constructor() {
+    this.accounts = {}; 
+    this.totalSummary = {}
+    this.orderSize = null;
+  }
+
+  setZeroPlaceholder() {
+    if (!this.orderSize) { return; }
+
+    Object.values(this.accounts).forEach((account) => {
+
+      for (let i = 0; i <= this.orderSize.length; i++) {
+        if (typeof account[i] === 'undefined') {
+          account[i] = { amount: 0 };
+        }
+      }
+    });
+  }
+
+  static from(accounts, configs) {
+    const collection = new this(configs);
+
+    accounts.forEach((entry) => {
+      if (typeof this.accounts[entry.accountId] === 'undefined') {
+        collection.accounts[entry.accountId] = {};
+      }
+      if (entry.order) {
+        collection.accounts[entry.accountId][entry.order] = entry;
+      }
+    });
+    return collection;
+  }
+
+  toArray() {
+    const output = [];
+
+    Object.key(this.accounts).forEach((accountId) => {
+      const entries = this.accounts[accountId];
+      output.push({
+        account_id: accountId,
+        entries: [
+          ...Object.key(entries).map((order) => {
+            const entry = entries[order];
+            return {
+              order,
+              amount: entry.amount,
+            };
+          }),
+        ],
+      });
+    });
+  }
+
+  calcTotalSummary() {
+    const totalSummary = {};
+
+    for (let i = 0; i < this.orderSize.length; i++) {
+      Object.value(this.accounts).forEach((account) => {
+        if (typeof totalSummary[i] !== 'undefined') {
+          totalSummary[i] = { amount: 0, order: i };
+        }
+        totalSummary[i].amount += account[i].amount;
+      });
+    }
+    this.totalSummary = totalSummary;
+  }
+
+  toArrayTotalSummary() {
+    return Object.values(this.totalSummary);
+  }
+
+}