Add functionality to remove equipment

Author: chromy

src/commands/equipment/index.ts

@@ -4,6 +4,8 @@ import {registerTrainingSheet} from './register-training-sheet';
 import {registerTrainingSheetForm} from './register-training-sheet-form';
 import {removeTrainingSheet} from './remove-training-sheet';
 import {removeTrainingSheetForm} from './remove-training-sheet-form';
+import {removeEquipment} from './remove';
+import {removeEquipmentForm} from './remove-form';
 
 export const equipment = {
   add: {
@@ -18,4 +20,8 @@ export const equipment = {
     ...removeTrainingSheet,
     ...removeTrainingSheetForm,
   },
+  remove: {
+    ...removeEquipment,
+    ...removeEquipmentForm,
+  },
 };

src/commands/equipment/remove-form.ts

@@ -0,0 +1,43 @@
+import * as E from 'fp-ts/Either';
+import {Form} from '../../types/form';
+import {pipe} from 'fp-ts/lib/function';
+import {html, safe, sanitizeString, toLoggedInContent} from '../../types/html';
+import {getEquipmentIdFromForm} from './get-equipment-id-from-form';
+import {getEquipmentName} from './get-equipment-name';
+
+type ViewModel = {
+  equipmentId: string;
+  equipmentName: string;
+};
+
+const renderForm = (viewModel: ViewModel) =>
+  pipe(
+    html`
+      <div class="stack-large">
+        <h1>Remove '${sanitizeString(viewModel.equipmentName)}'?</h1>
+        <form action="#" method="post">
+          <input
+            type="hidden"
+            name="id"
+            value="${safe(viewModel.equipmentId)}"
+          />
+          <button type="submit">Confirm and send</button>
+        </form>
+      </div>
+    `,
+    toLoggedInContent(safe('Remove Equipment'))
+  );
+
+export const removeEquipmentForm: Form<ViewModel> = {
+  renderForm,
+  constructForm:
+    input =>
+    ({readModel}) =>
+      pipe(
+        E.Do,
+        E.bind('equipmentId', () => getEquipmentIdFromForm(input)),
+        E.bind('equipmentName', ({equipmentId}) =>
+          getEquipmentName(readModel, equipmentId)
+        )
+      ),
+};

src/commands/equipment/remove.ts

@@ -0,0 +1,40 @@
+import {constructEvent, isEventOfType} from '../../types';
+import * as RA from 'fp-ts/ReadonlyArray';
+import * as t from 'io-ts';
+import * as tt from 'io-ts-types';
+import * as O from 'fp-ts/Option';
+import {pipe} from 'fp-ts/lib/function';
+import {Command} from '../command';
+import {isAdminOrSuperUser} from '../is-admin-or-super-user';
+
+const codec = t.strict({
+  id: tt.UUID,
+});
+
+type RemoveEquipment = t.TypeOf<typeof codec>;
+
+const process: Command<RemoveEquipment>['process'] = input => {
+  if (input.events.length === 0) {
+    return O.none;
+  }
+  return pipe(
+    input.events,
+    RA.filter(isEventOfType('EquipmentRemoved')),
+    RA.match(
+      () => O.some(constructEvent('EquipmentRemoved')(input.command)),
+      () => O.none
+    )
+  );
+};
+
+const resource: Command<RemoveEquipment>['resource'] = command => ({
+  type: 'Equipment',
+  id: command.id,
+});
+
+export const removeEquipment: Command<RemoveEquipment> = {
+  process,
+  resource,
+  decode: codec.decode,
+  isAuthorized: isAdminOrSuperUser,
+};

src/queries/equipment/render.ts

@@ -73,6 +73,24 @@ const adminMarkTrainedBy = (viewModel: ViewModel) =>
     O.getOrElse(() => html``)
   );
 
+const adminRemoveEquipment = (viewModel: ViewModel) =>
+  pipe(
+    viewModel,
+    O.of,
+    O.filter(viewModel => viewModel.isSuperUser),
+    O.map(viewModel => viewModel.equipment.id),
+    O.map(
+      id =>
+        html` <li>
+          <a href="/equipment/remove?equipmentId=${id}"
+            >[Admin] Remove equipment</a
+          >
+          ${tooltip(safe('Only admins can remove equipment'))}
+        </li>`
+    ),
+    O.getOrElse(() => html``)
+  );
+
 const addTrainer = (viewModel: ViewModel) =>
   pipe(
     viewModel,
@@ -141,6 +159,7 @@ const equipmentActions = (viewModel: ViewModel) => html`
     ${trainMember(viewModel)} ${adminMarkTrainedBy(viewModel)}
     ${addTrainer(viewModel)} ${registerSheet(viewModel)}
     ${currentSheet(viewModel)} ${removeTrainingSheet(viewModel)}
+    ${adminRemoveEquipment(viewModel)}
   </ul>
 `;
 

src/read-models/shared-state/update-state.ts

@@ -92,6 +92,15 @@ export const updateState =
           .values({id: event.id, name: event.name, areaId: event.areaId})
           .run();
         break;
+      case 'EquipmentRemoved':
+        db.delete(trainersTable)
+          .where(eq(trainersTable.equipmentId, event.id))
+          .run();
+        db.delete(trainedMemberstable)
+          .where(eq(trainedMemberstable.equipmentId, event.id))
+          .run();
+        db.delete(equipmentTable).where(eq(equipmentTable.id, event.id)).run();
+        break;
       case 'TrainerAdded': {
         if (
           isOwnerOfAreaContainingEquipment(db, linking)(

src/routes.ts

@@ -42,6 +42,7 @@ export const initRoutes = (
       'remove-training-sheet',
       commands.equipment.removeTrainingSheet
     ),
+    ...command('equipment', 'remove', commands.equipment.remove),
     ...command(
       'equipment',
       'mark-member-trained',

src/types/domain-event.ts

@@ -54,6 +54,10 @@ const EquipmentAdded = defineEvent('EquipmentAdded', {
   areaId: tt.UUID,
 });
 
+const EquipmentRemoved = defineEvent('EquipmentRemoved', {
+  id: tt.UUID,
+});
+
 const OwnerAdded = defineEvent('OwnerAdded', {
   areaId: tt.UUID,
   memberNumber: t.number,
@@ -202,6 +206,7 @@ export const events = [
   AreaRemoved,
   AreaEmailUpdated,
   EquipmentAdded,
+  EquipmentRemoved,
   OwnerAdded,
   OwnerRemoved,
   SuperUserDeclared,
@@ -233,6 +238,7 @@ export const DomainEvent = t.union([
   AreaRemoved.codec,
   AreaEmailUpdated.codec,
   EquipmentAdded.codec,
+  EquipmentRemoved.codec,
   OwnerAdded.codec,
   OwnerRemoved.codec,
   SuperUserDeclared.codec,

tests/read-models/test-framework.ts

@@ -136,6 +136,7 @@ export const initTestFramework = async (): Promise<TestFramework> => {
         removeTrainingSheet: frameworkify(
           commands.equipment.removeTrainingSheet
         ),
+        remove: frameworkify(commands.equipment.remove),
       },
       trainers: {
         add: frameworkify(commands.trainers.add),