From 9317e5ddacf27a53f5dc356bb7a00ac067a867ec Mon Sep 17 00:00:00 2001
From: Stephanie Leary <stephanie.leary@equinoxoli.org>
Date: Tue, 16 May 2023 19:06:27 +0000
Subject: [PATCH] LP1984007 Fund warning logic to check balances

Adds logic to check fund balances in order to set CSS warning/stop
classes in funds dropdowns.

Signed-off-by: Stephanie Leary <stephanie.leary@equinoxoli.org>
---
 .../src/app/staff/acq/po/charges.component.html    |  6 +++++
 .../eg2/src/app/staff/acq/po/charges.component.ts  | 28 ++++++++++++++++++++++
 2 files changed, 34 insertions(+)

diff --git a/Open-ILS/src/eg2/src/app/staff/acq/po/charges.component.html b/Open-ILS/src/eg2/src/app/staff/acq/po/charges.component.html
index 3b8fcdcbc2..298917bbb9 100644
--- a/Open-ILS/src/eg2/src/app/staff/acq/po/charges.component.html
+++ b/Open-ILS/src/eg2/src/app/staff/acq/po/charges.component.html
@@ -31,6 +31,7 @@
         (onChange)="charge.fund($event ? $event.id : null)"
         i18n-placeholder placeholder="Fund..."
         [asyncSupportsEmptyTermClick]="true"
+        [displayTemplate]="fundTmpl"
         [required]="true" [readOnly]="!charge.isnew() && !charge.ischanged()"
         [idlQuerySort]="{acqf: 'year DESC, code'}"
         [idlQueryAnd]="{org: owners, active: 't'}">
@@ -87,3 +88,8 @@
     </div>
   </div>
 </ng-container>
+
+<ng-template #fundTmpl let-r="result" i18n>
+  <span [ngClass]="{'fund-balance-state-stop': checkFundBalance(r.fm.id()) === 'stop',
+                    'fund-balance-state-warning': checkFundBalance(r.fm.id()) === 'warning'}">{{r.label}}</span>
+</ng-template>
\ No newline at end of file
diff --git a/Open-ILS/src/eg2/src/app/staff/acq/po/charges.component.ts b/Open-ILS/src/eg2/src/app/staff/acq/po/charges.component.ts
index 6e968c750b..5da7fc8770 100644
--- a/Open-ILS/src/eg2/src/app/staff/acq/po/charges.component.ts
+++ b/Open-ILS/src/eg2/src/app/staff/acq/po/charges.component.ts
@@ -23,6 +23,8 @@ export class PoChargesComponent implements OnInit, OnDestroy {
     poSubscription: Subscription;
     owners: number[];
     classNames: string[];
+    _fundBalanceCache: string[] = [];
+    _inflight: Promise<string>[] = [];
 
     @ViewChild('disencumberChargeDialog') disencumberChargeDialog: DisencumberChargeDialogComponent;
 
@@ -176,5 +178,31 @@ export class PoChargesComponent implements OnInit, OnDestroy {
             }).then(_ => this.poService.refreshOrderSummary(true));
         }
     }
+
+    // duplicated from acq/lineitem/copy-attrs.component
+    checkFundBalance(fundId: number): string {
+        if (this._fundBalanceCache[fundId]) {
+            return this._fundBalanceCache[fundId];
+        }
+        if (this._inflight[fundId]) {
+            return 'ok';
+        }
+        this._inflight[fundId] = this.net.request(
+            'open-ils.acq',
+            'open-ils.acq.fund.check_balance_percentages',
+            this.auth.token(), fundId
+        ).toPromise().then(r => {
+            if (r[0]) {
+                this._fundBalanceCache[fundId] = 'stop';
+            } else if (r[1]) {
+                this._fundBalanceCache[fundId] = 'warning';
+            } else {
+                this._fundBalanceCache[fundId] = 'ok';
+            }
+            
+            delete this._inflight[fundId];
+            return this._fundBalanceCache[fundId];
+        });
+    }
 }
 
-- 
2.11.0