student pay: min RAM = 2 GB

Author: williamstein

src/packages/frontend/course/configuration/student-pay.tsx

@@ -12,7 +12,6 @@ import dayjs from "dayjs";
 import { isEqual } from "lodash";
 import { useEffect, useMemo, useState } from "react";
 import { FormattedMessage, useIntl } from "react-intl";
-
 import { Gap, Icon, TimeAgo } from "@cocalc/frontend/components";
 import { labels } from "@cocalc/frontend/i18n";
 import LicenseEditor from "@cocalc/frontend/purchases/license-editor";
@@ -227,6 +226,7 @@ export default function StudentPay({ actions, settings }) {
                       onChange={setInfo}
                       hiddenFields={new Set(["quantity", "custom_member"])}
                       minDiskGb={1}
+                      minRamGb={2}
                     />
                     <div style={{ margin: "15px 0" }}>
                       <StudentPayCheckboxLabel

src/packages/frontend/purchases/license-editor.tsx

@@ -40,6 +40,7 @@ interface Props {
   hiddenFields?: Set<Field>;
   noCancel?: boolean;
   minDiskGb?: number;
+  minRamGb?: number;
 }
 
 const END_PRESETS: {
@@ -66,6 +67,7 @@ export default function LicenseEditor({
   cellStyle,
   noCancel,
   minDiskGb = MIN_DISK_GB,
+  minRamGb = 4,
 }: Props) {
   if (info.type == "vouchers") {
     return <Alert type="error" message="Editing vouchers is not allowed." />;
@@ -206,7 +208,7 @@ export default function LicenseEditor({
             value: (
               <InputNumber
                 disabled={disabledFields?.has("custom_ram")}
-                min={1}
+                min={minRamGb}
                 max={MAX.ram}
                 step={1}
                 value={info.custom_ram}

src/packages/util/licenses/purchase/consts.ts

@@ -4,7 +4,6 @@
  */
 
 import { CustomUpgrades, Subscription, User } from "./types";
-
 import costVersions from "./cost-versions";
 
 export const CURRENT_VERSION = "3";
@@ -82,10 +81,6 @@ interface CostsStructure {
 }
 
 export function getCosts(version: string): CostsStructure {
-  const x = costVersions[version];
-  if (x == null) {
-    throw Error(`Unknown cost version '${version}'`);
-  }
   const {
     SUB_DISCOUNT,
     GCE_COSTS,
@@ -96,7 +91,7 @@ export function getCosts(version: string): CostsStructure {
     RAM_OVERCOMMIT,
     CPU_OVERCOMMIT,
     ALWAYS_RUNNING_FACTOR,
-  } = costVersions[version];
+  } = costVersions[version] ?? costVersions[CURRENT_VERSION];
 
   const CUSTOM_COST: CostMap = {
     ram: