Check for duplicated library manga on add to library

public/locales/en.json

@@ -589,6 +589,16 @@
         }
       },
       "library": {
+        "add": {
+          "dialog": {
+            "duplicate": {
+              "label": {
+                "failure": "Could not check for duplicated manga in your library.\n\nError: {{error}}",
+                "info": "You have an entry in your library with the same name."
+              }
+            }
+          }
+        },
         "remove": {
           "button": {
             "selected": "Remove selected from the library"

src/components/manga/useManageMangaLibraryState.tsx

@@ -8,6 +8,7 @@
 
 import { useCallback, useMemo, useState } from 'react';
 import { useTranslation } from 'react-i18next';
+import { useNavigate } from 'react-router-dom';
 import { useCategorySelect } from '@/components/navbar/action/useCategorySelect.tsx';
 import { requestManager } from '@/lib/requests/RequestManager.ts';
 import { makeToast } from '@/components/util/Toast.tsx';
@@ -23,6 +24,7 @@ export const useManageMangaLibraryState = (
     confirmRemoval: boolean = false,
 ) => {
     const { t } = useTranslation();
+    const navigate = useNavigate();
 
     const [isInLibrary, setIsInLibrary] = useState(manga.inLibrary);
 
@@ -79,6 +81,7 @@ export const useManageMangaLibraryState = (
     });
 
     const updateLibraryState = useCallback(() => {
+        const update = async () => {
             if (isInLibrary) {
                 removeFromLibrary().catch(
                     defaultPromiseErrorHandler('useManageMangaLibraryState::updateLibraryState::removeFromLibrary'),
@@ -95,10 +98,49 @@ export const useManageMangaLibraryState = (
                 makeToast(t('category.error.label.request_failure'), 'error');
                 categories
                     .refetch()
-                .catch(defaultPromiseErrorHandler('MangaDetails::handleAddToLibraryClick: refetch categories'));
+                    .catch(
+                        defaultPromiseErrorHandler(
+                            'useManageMangaLibraryState::updateLibraryState: refetch categories',
+                        ),
+                    );
                 return;
             }
 
+            let duplicatedLibraryMangas:
+                | Awaited<ReturnType<typeof Mangas.getDuplicateLibraryMangas>['response']>
+                | undefined;
+            try {
+                duplicatedLibraryMangas = await Mangas.getDuplicateLibraryMangas(manga.title).response;
+            } catch (e: any) {
+                await awaitConfirmation({
+                    title: t('global.error.label.failed_to_load_data'),
+                    message: t('manga.action.library.add.dialog.duplicate.label.failure', {
+                        error: e.message,
+                    }),
+                    actions: {
+                        extra: { show: true, title: t('global.button.retry') },
+                        confirm: { title: t('global.button.add') },
+                    },
+                    onExtra: () =>
+                        update().catch(
+                            defaultPromiseErrorHandler('useManageMangaLibraryState::update: retry duplicate check'),
+                        ),
+                });
+            }
+
+            const doDuplicatesExist = duplicatedLibraryMangas?.data.mangas.totalCount;
+            if (doDuplicatesExist) {
+                await awaitConfirmation({
+                    title: t('global.label.are_you_sure'),
+                    message: t('manga.action.library.add.dialog.duplicate.label.info'),
+                    actions: {
+                        extra: { show: true, title: t('migrate.dialog.action.button.show_entry') },
+                        confirm: { title: t('global.button.add') },
+                    },
+                    onExtra: () => navigate(`/manga/${duplicatedLibraryMangas!.data.mangas.nodes[0].id}`),
+                });
+            }
+
             const showCategorySelectDialog = showAddToLibraryCategorySelectDialog && !!userCreatedCategories.length;
             if (!showCategorySelectDialog) {
                 addToLibrary(true, Categories.getIds(Categories.getDefaults(userCreatedCategories!)));
@@ -106,6 +148,9 @@ export const useManageMangaLibraryState = (
             }
 
             openCategorySelect(true);
+        };
+
+        update().catch(defaultPromiseErrorHandler('useManageMangaLibraryState::updateLibraryState'));
     }, [isInLibrary, removeFromLibrary, addToLibrary, areSettingsLoading, categories.loading]);
 
     return {

src/components/molecules/ConfirmDialog.tsx

@@ -12,6 +12,7 @@ import DialogContent from '@mui/material/DialogContent';
 import DialogTitle from '@mui/material/DialogTitle';
 import { useTranslation } from 'react-i18next';
 import Button from '@mui/material/Button';
+import Stack from '@mui/material/Stack';
 
 type Action = {
     show?: boolean;
@@ -19,6 +20,7 @@ type Action = {
 };
 
 type Actions = {
+    extra?: Action;
     cancel?: Action;
     confirm?: Action;
 };
@@ -27,18 +29,24 @@ export const ConfirmDialog = ({
     title,
     message,
     actions: passedActions,
+    onExtra,
     onCancel,
     onConfirm,
 }: {
     title: string;
     message: string;
     actions?: Actions;
+    onExtra?: () => void;
     onCancel: () => void;
     onConfirm: () => void;
 }) => {
     const { t } = useTranslation();
 
     const actions = {
+        extra: {
+            show: passedActions?.extra?.show ?? false,
+            title: passedActions?.extra?.title ?? '',
+        },
         cancel: {
             show: passedActions?.cancel?.show ?? true,
             title: passedActions?.cancel?.title ?? t('global.button.cancel'),
@@ -52,10 +60,25 @@ export const ConfirmDialog = ({
     return (
         <Dialog open>
             <DialogTitle>{title}</DialogTitle>
-            <DialogContent>{message}</DialogContent>
+            <DialogContent
+                sx={{
+                    whiteSpace: 'pre-line',
+                }}
+            >
+                {message}
+            </DialogContent>
             <DialogActions>
+                <Stack
+                    sx={{ width: '100%' }}
+                    direction="row"
+                    justifyContent={actions.extra.show ? 'space-between' : 'end'}
+                >
+                    {actions.extra.show && <Button onClick={onExtra}>{actions.extra.title}</Button>}
+                    <Stack direction="row">
                         {actions.cancel.show && <Button onClick={onCancel}>{actions.cancel.title}</Button>}
                         {actions.confirm.show && <Button onClick={onConfirm}>{actions.confirm.title}</Button>}
+                    </Stack>
+                </Stack>
             </DialogActions>
         </Dialog>
     );

src/lib/data/Mangas.ts

@@ -233,6 +233,13 @@ export class Mangas {
         return requestManager.getValidImgUrlFor(thumbnailUrl);
     }
 
+    static getDuplicateLibraryMangas(title: string): ReturnType<typeof requestManager.getMangas> {
+        return requestManager.getMangas({
+            condition: { inLibrary: true },
+            filter: { title: { likeInsensitive: title } },
+        });
+    }
+
     static async getChapterIdsWithState(
         mangaIds: number[],
         state: Pick<ChapterConditionInput, 'isRead' | 'isDownloaded' | 'isBookmarked'>,

src/lib/ui/AwaitableDialog.tsx

@@ -36,6 +36,10 @@ export const awaitConfirmation = async (
         <ThemeProvider theme={getCurrentTheme()}>
             <ConfirmDialog
                 {...dialogProps}
+                onExtra={() => {
+                    handleConfirmation(false);
+                    dialogProps.onExtra?.();
+                }}
                 onCancel={() => handleConfirmation(false)}
                 onConfirm={() => handleConfirmation(true)}
             />