Add image deletion functionality to product dialog carousel

client/src/app/components/ps-product-dialog/ps-product-dialog.component.ts

@@ -1,11 +1,11 @@
 import {Component, Inject, OnInit, inject, OnDestroy} from '@angular/core';
-import { CommonModule } from '@angular/common';
-import { FormBuilder, ReactiveFormsModule, Validators } from '@angular/forms';
-import { MatFormField, MatLabel } from '@angular/material/form-field';
-import { MatInput } from '@angular/material/input';
-import { MatSelectModule } from '@angular/material/select';
-import { MatCheckbox } from '@angular/material/checkbox';
-import { MatButton, MatIconButton } from '@angular/material/button';
+import {CommonModule} from '@angular/common';
+import {FormBuilder, ReactiveFormsModule, Validators} from '@angular/forms';
+import {MatFormField, MatLabel} from '@angular/material/form-field';
+import {MatInput} from '@angular/material/input';
+import {MatSelectModule} from '@angular/material/select';
+import {MatCheckbox} from '@angular/material/checkbox';
+import {MatButton, MatIconButton} from '@angular/material/button';
 import {
   MatDialogRef,
   MAT_DIALOG_DATA,
@@ -13,13 +13,13 @@ import {
   MatDialogContent,
   MatDialogTitle
 } from '@angular/material/dialog';
-import { MatIcon } from '@angular/material/icon';
+import {MatIcon} from '@angular/material/icon';
 
-import { catchError, forkJoin, of, Observable } from 'rxjs';
+import {catchError, forkJoin, of, Observable} from 'rxjs';
 
-import { PsItem } from '../../interfaces/ps-item';
-import { ProductListItem } from '../../interfaces/product-list-item';
-import { PrestashopService } from '../../services/prestashop.serivce';
+import {PsItem} from '../../interfaces/ps-item';
+import {ProductListItem} from '../../interfaces/product-list-item';
+import {PrestashopService} from '../../services/prestashop.serivce';
 
 export type ProductDialogData = {
   mode: 'create' | 'edit';
@@ -48,7 +48,8 @@ export class PsProductDialogComponent implements OnInit, OnDestroy {
   constructor(
     @Inject(MAT_DIALOG_DATA) public data: ProductDialogData,
     private readonly dialogRef: MatDialogRef<PsProductDialogComponent>
-  ) {}
+  ) {
+  }
 
   mode!: 'create' | 'edit';
   categories: PsItem[] = [];
@@ -167,11 +168,11 @@ export class PsProductDialogComponent implements OnInit, OnDestroy {
       const qty$ = this.ps.getProductQuantity(r.id).pipe(catchError(() => of(0)));
       const imgs$ = this.ps.getProductImageUrls(r.id).pipe(catchError(() => of<string[]>([])));
       const flags$ = this.ps.getProductFlags(r.id).pipe(
-        catchError(() => of({ complete: false, hasManual: false, conditionLabel: undefined }))
+        catchError(() => of({complete: false, hasManual: false, conditionLabel: undefined}))
       );
 
-      forkJoin({ details: details$, qty: qty$, imgs: imgs$, flags: flags$ })
-        .subscribe(({ details, qty, imgs, flags }) => {
+      forkJoin({details: details$, qty: qty$, imgs: imgs$, flags: flags$})
+        .subscribe(({details, qty, imgs, flags}) => {
           const ttc = this.toTtc(details.priceHt ?? 0);
           const baseDesc = this.cleanForTextarea(details.description ?? '');
           this.lastLoadedDescription = baseDesc;
@@ -203,7 +204,7 @@ export class PsProductDialogComponent implements OnInit, OnDestroy {
     const fl = (ev.target as HTMLInputElement).files;
 
     // Nettoyage des anciens objectURL
-    for(let url of this.previewUrls) {
+    for (let url of this.previewUrls) {
       URL.revokeObjectURL(url);
     }
     this.previewUrls = [];
@@ -224,12 +225,12 @@ export class PsProductDialogComponent implements OnInit, OnDestroy {
 
   private buildCarousel() {
     const items: CarouselItem[] = [
-      ...this.existingImageUrls.map(u => ({ src: u, isPlaceholder: false })),
-      ...this.previewUrls.map(u => ({ src: u, isPlaceholder: false }))
+      ...this.existingImageUrls.map(u => ({src: u, isPlaceholder: false})),
+      ...this.previewUrls.map(u => ({src: u, isPlaceholder: false}))
     ];
 
     // placeholder en dernier
-    items.push({ src: '', isPlaceholder: true });
+    items.push({src: '', isPlaceholder: true});
 
     this.carouselItems = items;
     if (!this.carouselItems.length) {
@@ -261,7 +262,7 @@ export class PsProductDialogComponent implements OnInit, OnDestroy {
     }
   }
 
-  // -------- Save / close inchangés (à part dto.images) --------
+  // -------- Save / close --------
 
   save() {
     if (this.form.invalid) return;
@@ -297,6 +298,82 @@ export class PsProductDialogComponent implements OnInit, OnDestroy {
     });
   }
 
+  /** Extrait l'id_image depuis une URL FO Presta (.../img/p/.../<id>.jpg) */
+  private extractImageIdFromUrl(url: string): number | null {
+    const m = /\/(\d+)\.(?:jpg|jpeg|png|gif)$/i.exec(url);
+    if (!m) return null;
+    const id = Number(m[1]);
+    return Number.isFinite(id) ? id : null;
+  }
+
+  /** Suppression générique d'une image à l'index donné (carrousel + vignettes) */
+  private deleteImageAtIndex(idx: number) {
+    if (!this.carouselItems.length) return;
+
+    const item = this.carouselItems[idx];
+    if (!item || item.isPlaceholder) return;
+
+    const existingCount = this.existingImageUrls.length;
+
+    // --- Cas 1 : image existante (déjà chez Presta) ---
+    if (idx < existingCount) {
+      if (!this.productRow) return; // sécurité
+
+      const url = this.existingImageUrls[idx];
+      const imageId = this.extractImageIdFromUrl(url);
+      if (!imageId) {
+        alert('Impossible de déterminer l’ID de l’image à supprimer.');
+        return;
+      }
+
+      if (!confirm('Supprimer cette image du produit ?')) return;
+
+      this.ps.deleteProductImage(this.productRow.id, imageId).subscribe({
+        next: () => {
+          // On la retire du tableau local et on reconstruit le carrousel
+          this.existingImageUrls.splice(idx, 1);
+          this.buildCarousel();
+
+          // Repositionnement de l’index si nécessaire
+          if (this.currentIndex >= this.carouselItems.length - 1) {
+            this.currentIndex = Math.max(0, this.carouselItems.length - 2);
+          }
+        },
+        error: (e: unknown) => {
+          alert('Erreur lors de la suppression de l’image : ' + (e instanceof Error ? e.message : String(e)));
+        }
+      });
+
+      return;
+    }
+
+    // --- Cas 2 : image locale (nouvelle) ---
+    const localIdx = idx - existingCount;
+    if (localIdx >= 0 && localIdx < this.previewUrls.length) {
+      if (!confirm('Retirer cette image de la sélection ?')) return;
+
+      this.previewUrls.splice(localIdx, 1);
+      this.images.splice(localIdx, 1);
+      this.buildCarousel();
+
+      if (this.currentIndex >= this.carouselItems.length - 1) {
+        this.currentIndex = Math.max(0, this.carouselItems.length - 2);
+      }
+    }
+  }
+
+  // utilisée par la grande image
+  onDeleteCurrentImage() {
+    if (!this.carouselItems.length) return;
+    this.deleteImageAtIndex(this.currentIndex);
+  }
+
+  // utilisée par la croix sur une vignette
+  onDeleteThumb(index: number, event: MouseEvent) {
+    event.stopPropagation();
+    this.deleteImageAtIndex(index);
+  }
+
   close() {
     this.dialogRef.close(false);
   }