エラーハンドリングを追加

backend/src/main/java/com/example/todoapp/controller/RecipesController.java

@@ -99,8 +99,12 @@ public class RecipesController {
     public ResponseEntity<RecipeDetailDTO> getRecipeById(
             Authentication authentication,
             @RequestParam Long recipeId) {
-        recipeService.getRecipeDetailsById(recipeId);
-        return ResponseEntity.ok(recipeService.getRecipeDetailsById(recipeId));
+
+        User user = userRepository.findByUsername(authentication.getName())
+            .orElseThrow(() -> new UsernameNotFoundException("User not found"));
+
+        RecipeDetailDTO response = recipeService.getRecipeDetailsById(user.getId(), recipeId);
+        return ResponseEntity.ok(response);
     }
 
     /**
@@ -120,7 +124,6 @@ public class RecipesController {
         } else {
             response.put("result", false);
             response.put("message", "編集に失敗しました");
-
         }
         return ResponseEntity.ok(response);
     }

backend/src/main/java/com/example/todoapp/dto/RecipeDetailDTO.java

@@ -30,6 +30,12 @@ public class RecipeDetailDTO {
      * レシピの簡単な説明文
      */
     private String summary;
+    
+    /**
+     * 最大調理可能数
+     * そのレシピを何人分調理可能か
+     */
+    private int maxServings;
 
     /**
      * 食材リスト

backend/src/main/java/com/example/todoapp/model/Stocks.java

@@ -100,7 +100,7 @@ public class Stocks {
     /**
      * 賞味期限
      */
-    @Column(nullable = false)
+    @Column(nullable = true)
     private LocalDate expDate;
 
 }

backend/src/main/java/com/example/todoapp/service/RecipeService.java

@@ -27,6 +27,7 @@ import com.example.todoapp.model.Stuffs;
 import com.example.todoapp.repository.RecipeStuffsRepository;
 import com.example.todoapp.repository.RecipesRepository;
 import com.example.todoapp.repository.StuffsRepository;
+import com.example.todoapp.repository.UserRepository;
 
 import jakarta.transaction.Transactional;
 
@@ -140,7 +141,7 @@ public class RecipeService {
      * @return レシピ詳細情報（レシピ基本情報と関連食材情報）
      * @throws RuntimeException レシピが見つからない場合
      */
-    public RecipeDetailDTO getRecipeDetailsById(Long recipeId) {
+    public RecipeDetailDTO getRecipeDetailsById(Long userId, Long recipeId) {
         Recipes recipe = recipesRepository.findById(recipeId)
                 .orElseThrow(() -> new RuntimeException("レシピが見つかりません"));
 
@@ -162,6 +163,7 @@ public class RecipeService {
         dto.setRecipeId(recipe.getRecipeId());
         dto.setRecipeName(recipe.getRecipeName());
         dto.setSummary(recipe.getSummary());
+        dto.setMaxServings(getRecipeMaxServings(userId, recipe));
         dto.setStuffAndAmountArray(stuffList);
 
         return dto;

frontend/src/components/AddByRecipeDialog.tsx

@@ -0,0 +1,160 @@
+import React, { useEffect, useState } from 'react';
+import {
+  Dialog,
+  DialogTitle,
+  DialogContent,
+  DialogActions,
+  Button,
+  Box,
+  List,
+  ListItem,
+  ListItemText,
+  ListItemSecondaryAction,
+  Typography,
+  TextField,
+  FormControlLabel,
+  Checkbox,
+} from '@mui/material';
+
+import { toBuyApi } from '../services/api';
+import { recipeApi } from '../services/api';
+
+import CloseIcon from '@mui/icons-material/Close';
+import { RecipeDetailWithId, StuffNameAndAmount } from '../types/types';
+import { GENERAL_ERRORS } from '../constants/errorMessages';
+import { useNavigate } from 'react-router-dom';
+import { useMessage } from './MessageContext';
+
+const AddByRecipeDialog = ({
+  openDialog,
+  setOpenDialog,
+  recipeId,
+  numOfPeople,
+  setNumOfPeaple,
+  checked,
+  setChecked
+}: {
+  openDialog: boolean,
+  setOpenDialog: (open: boolean) => void,
+  recipeId: number,
+  numOfPeople: string,
+  setNumOfPeaple: (num: string) => void,
+  checked: boolean,
+  setChecked: (checked: boolean) => void
+}) => {
+  const [recipe, setRecipe] = useState<RecipeDetailWithId>();
+
+
+  useEffect(() => {
+    console.log("called AddByRecipeDialog useEffect recipeId: ", recipeId);
+    if (recipeId) {
+      const fetchRecipe = async () => {
+        console.log("Fetching recipe with ID:", recipeId);
+        setRecipe(await recipeApi.getById(recipeId));
+      };
+      fetchRecipe();
+    }
+  }, [recipeId]);
+
+  const navigate = useNavigate();
+
+  //  エラーメッセージ表示
+  const { showErrorMessage, showSuccessMessage, showInfoMessage } = useMessage();
+
+  return (
+    recipe ?
+      <Dialog open={openDialog} onClose={() => setOpenDialog(false)} disableScrollLock={true} PaperProps={{ sx: { minWidth: '80vw', maxHeight: '80vh' } }}>
+        <DialogTitle sx={{ m: 0, p: 2, display: 'flex', justifyContent: 'space-between', alignItems: 'center' }}>
+
+          買うものリストへ追加
+          <CloseIcon
+            onClick={() => setOpenDialog(false)}
+            sx={{
+              cursor: 'pointer',
+              color: (theme) => theme.palette.grey[500],
+            }}
+          />
+        </DialogTitle>
+        <DialogContent dividers sx={{ padding: 2 }}>
+          <Typography variant="h3">
+            {recipe.recipeName}
+          </Typography>
+          <Typography>
+            ({recipe.maxServings}人分在庫あり)
+          </Typography>
+          <div>
+            <strong>材料（1人前）:</strong>
+            <List>
+              {recipe.stuffAndAmountArray.map((item, index) => (
+                <ListItem key={index} sx={{
+                  bgcolor: 'background.paper',
+                  mb: 1,
+                  borderRadius: 1,
+                  boxShadow: 1,
+                }}>
+                  <ListItemText primary={item.stuffName} />
+                  <ListItemSecondaryAction>
+                    <Typography variant="body1" component="span" sx={{ marginRight: '1em' }}>
+                      {`× ${item.amount}`}
+                    </Typography>
+                  </ListItemSecondaryAction>
+                </ListItem>
+              ))}
+            </List>
+          </div>
+          <div>
+            {/* 人数入力フィールド */}
+            <TextField
+              type="number"
+              margin="dense"
+              label="何人前"
+              fullWidth
+              defaultValue={1}
+              value={numOfPeople}
+              onChange={(e) => {
+                // const num = parseInt(e.target.value, 10);
+                // setNumOfPeaple(!isNaN(num) ? num : '');
+                setNumOfPeaple(e.target.value);
+              }}
+              sx={{ minWidth: "8px", width: "100%" }}
+              inputProps={{ inputMode: "numeric", min: 1, pattern: "[0-9]*" }} // ここで整数のみ許可
+
+            />
+          </div>
+          <FormControlLabel
+            control={<Checkbox checked={checked} onChange={(e) => setChecked(e.target.checked)} />}
+            label={<Typography>足りない食材のみ登録</Typography>}
+          />
+
+          {/* 買うものリストに追加するボタン */}
+          <Box sx={{ mt: 2, textAlign: 'right' }}>
+            <Button
+              variant="contained"
+              color="primary"
+              onClick={async () => {
+                const num = parseInt(numOfPeople, 10);
+                if (!num || isNaN(num)) {
+                  showErrorMessage('人数が正しく入力されていません。');
+                  return;
+                }
+                const finalAddResult = await toBuyApi.addByRecipe(recipe.recipeId, num, checked);
+                setOpenDialog(false);
+                if (finalAddResult.data.length === 0) {
+                  showInfoMessage('必要な食材が在庫にあったのでリストには追加されませんでした！');
+                } else {
+                  showSuccessMessage('レシピが保存されて買うものリストに追加されました！');
+                }
+                navigate('/tasks');
+              }}
+            >
+              追加
+            </Button>
+          </Box>
+        </DialogContent>
+
+      </Dialog>
+      : <></>
+  );
+}
+
+export default AddByRecipeDialog;

frontend/src/components/BuyDialog.tsx

@@ -1,159 +1,115 @@
 import { useState } from 'react';
 import {
-  Dialog,
-  DialogTitle,
-  DialogContent,
-  DialogActions,
-  TextField,
-  Button,
-  Box,
+    Dialog,
+    DialogTitle,
+    DialogContent,
+    DialogActions,
+    TextField,
+    Button,
+    Box,
 } from '@mui/material';
 import { NewStock } from '../types/types';
-import DatePicker, { registerLocale } from 'react-datepicker';
-import { ja } from 'date-fns/locale/ja'; // date-fnsの日本語ロケールをインポート
+import BuyExpDateSelect from './BuyExpDateSelect';
+/*import DatePicker, { registerLocale } from 'react-datepicker';
+import { ja } from 'date-fns/locale/ja'; // date-fnsの日本語ロケールをインポート*/
 
-// 日付をyyyy-MM-dd形式で返す関数
+/*// 日付をyyyy-MM-dd形式で返す関数
 const formatDateLocal = (date: Date) => {
-  const year = date.getFullYear();
-  const month = (date.getMonth() + 1).toString().padStart(2, '0');
-  const day = date.getDate().toString().padStart(2, '0');
-  return `${year}-${month}-${day}`;
-};
+    const year = date.getFullYear();
+    const month = (date.getMonth() + 1).toString().padStart(2, '0');
+    const day = date.getDate().toString().padStart(2, '0');
+    return `${year}-${month}-${day}`;
+};*/
 
 // 日本語ロケールを登録
-registerLocale('ja', ja);
+//registerLocale('ja', ja);
 
 const BuyDialog = ({
-  openDialog,
-  setOpenDialog,
-  stuffName,
-  newStock,
-  setNewStock,
-  onSubmit,
+    openDialog,
+    setOpenDialog,
+    stuffName,
+    newStock,
+    setNewStock,
+    onSubmit,
 }: {
-  openDialog: boolean,
-  setOpenDialog: (open: boolean) => void,
-  stuffName: string,
-  newStock: NewStock,
-  setNewStock: (tobuy: NewStock) => void,
-  onSubmit: () => void,
+    openDialog: boolean,
+    setOpenDialog: (open: boolean) => void,
+    stuffName: string,
+    newStock: NewStock,
+    setNewStock: (tobuy: NewStock) => void,
+    onSubmit: () => void,
 }) => {
 
-  return (
+    return (
 
 
-    <Dialog open={openDialog} onClose={() => setOpenDialog(false)} disableScrollLock={true} PaperProps={{ sx: { minHeight: '600px', maxHeight: '80vh' } }}
-    >
-      <DialogTitle>在庫登録</DialogTitle>
-      <DialogContent>
-        <Box sx={{ pt: 1 }}>
-          {/* 材料名表示 */}
-          <TextField
-            margin="dense"
-            label="材料名"
-            fullWidth
-            value={stuffName}
-            disabled
-            sx={{ marginBottom: 2, marginTop: 2 }}
-          />
+        <Dialog open={openDialog} onClose={() => setOpenDialog(false)} disableScrollLock={true} PaperProps={{ sx: { minHeight: '600px', maxHeight: '80vh' } }}
+        >
+            <DialogTitle>在庫登録</DialogTitle>
+            <DialogContent>
+                <Box sx={{ pt: 1 }}>
+                    {/* 材料名表示 */}
+                    <TextField
+                        margin="dense"
+                        label="材料名"
+                        fullWidth
+                        value={stuffName}
+                        disabled
+                        sx={{ marginBottom: 2, marginTop: 2 }}
+                    />
 
-          {/* 価格入力フィールド */}
-          <TextField
-            autoFocus
-            margin="dense"
-            label="価格"
-            fullWidth
-            value={newStock.price}
-            onChange={(e) => {
-              const value = e.target.value;
-              if (/^\d*$/.test(value)) {
-                setNewStock({ ...newStock, price: value })
-              };
-            }}
-            sx={{ marginBottom: 2 }}
-          />
+                    {/* 価格入力フィールド */}
+                    <TextField
+                        autoFocus
+                        margin="dense"
+                        label="価格"
+                        fullWidth
+                        value={newStock.price}
+                        onChange={(e) => {
+                            const value = e.target.value;
+                            if (/^\d*$/.test(value)) {
+                                setNewStock({ ...newStock, price: value })
+                            };
+                        }}
+                        sx={{ marginBottom: 2 }}
+                    />
 
-          {/* 価格入力フィールド */}
-          <TextField
-            autoFocus
-            margin="dense"
-            label="購入数量"
-            fullWidth
-            value={newStock.amount}
-            onChange={(e) => {
-              const value = e.target.value;
-              if (/^\d*$/.test(value)) {
-                setNewStock({ ...newStock, amount: value })
-              };
-            }}
-            sx={{ marginBottom: 2 }}
-          />
+                    {/* 価格入力フィールド */}
+                    <TextField
+                        autoFocus
+                        margin="dense"
+                        label="購入数量"
+                        fullWidth
+                        value={newStock.amount}
+                        onChange={(e) => {
+                            const value = e.target.value;
+                            if (/^\d*$/.test(value)) {
+                                setNewStock({ ...newStock, amount: value })
+                            };
+                        }}
+                        sx={{ marginBottom: 2 }}
+                    />
 
-          {/* 購入日・消費期限を横並びに */}
-          <Box sx={{ display: 'flex', gap: 2, mb: 2 }}>
-            {/* 購入日入力フィールド */}
-            <DatePicker
-              popperClassName="custom-datepicker-popper"
-              selected={newStock.buyDate ? new Date(newStock.buyDate) : null}
-              onChange={(date) =>
-                setNewStock({ ...newStock, buyDate: date ? formatDateLocal(date) : '' })
-              }
-              dateFormat="yyyy/MM/dd"
-              customInput={
-                <TextField
-                  margin="dense"
-                  label="購入日(yyyy/MM/dd)"
-                  fullWidth
-                />
-              }
-              isClearable
-            //withPortal // ← 他の文字との重なり対策
-            />
-            {/*
-            <TextField
-              margin="dense"
-              label="購入日(yyyy/MM/dd)"
-              fullWidth
-              value={newStock.buyDate}
-              onChange={(e) => setNewStock({ ...newStock, buyDate: e.target.value })}
-            />
-            */}
-            {/* 消費・賞味期限入力フィールド */}
-            <DatePicker
-              popperClassName="custom-datepicker-popper"
-              selected={newStock.expDate ? new Date(newStock.expDate) : null}
-              onChange={(date) =>
-                setNewStock({ ...newStock, expDate: date ? formatDateLocal(date) : '' })
-              }
-              dateFormat="yyyy/MM/dd"
-              customInput={
-                <TextField
-                  margin="dense"
-                  label="消費・賞味期限(yyyy/MM/dd)"
-                  fullWidth
-                />
-              }
-              isClearable
-            //withPortal
-            />
-          </Box>
-          {/* 購入店舗入力フィールド  */}
-          <TextField
-            margin="dense"
-            label="店舗"
-            value={newStock.shop}
-            onChange={(e) => setNewStock({...newStock, shop: e.target.value})}
-            fullWidth
-          />
-        </Box>
-      </DialogContent>
-      <DialogActions>
-        <Button onClick={() => setOpenDialog(false)}>キャンセル</Button>
-        <Button onClick={() => { onSubmit() }} variant="contained">登録</Button>
-      </DialogActions>
-    </Dialog>
+                    {/* 購入日・賞味期限入力 */}
+                    <BuyExpDateSelect newStock={newStock} setNewStock={({buyDate, expDate}) => setNewStock({...newStock, buyDate, expDate}) } />
 
-  )
+                    {/* 購入店舗入力フィールド  */}
+                    <TextField
+                        margin="dense"
+                        label="店舗"
+                        value={newStock.shop}
+                        onChange={(e) => setNewStock({ ...newStock, shop: e.target.value })}
+                        fullWidth
+                    />
+                </Box>
+            </DialogContent>
+            <DialogActions>
+                <Button onClick={() => setOpenDialog(false)}>キャンセル</Button>
+                <Button onClick={() => { onSubmit() }} variant="contained">登録</Button>
+            </DialogActions>
+        </Dialog>
+
+    )
 }
 
 export default BuyDialog;

frontend/src/components/BuyExpDateSelect.tsx

@@ -0,0 +1,80 @@
+import { Box, TextField } from "@mui/material"
+
+//  日付文字列（時間を含む可能性がある）から日付部分だけを返す
+const parseDate = ((date: string) => date ? date.substring(0, 10) : '')
+
+//  今日の日付
+const today = parseDate(new Date().toISOString());
+
+//  日付文字列で早いほうを返す（空でないものは除く）
+const validateBuyDate = ((buyDate: string) => {
+  // console.log('validateBuyDate:', buyDate)
+  if (!buyDate) { // 購入日が未設定の場合は今日の日付を入れておく
+    return today;
+  }
+  return parseDate(buyDate);
+})
+
+//  日付文字列で早いほうを返す（空でないものは除く）
+const validateExpDate = ((buyDate: string, expDate: string | null) => {
+  // console.log('validateExpDate:', buyDate, expDate)
+  if (!expDate) { // 賞味期限が未設定の場合そのまま未設定にする
+    return '';
+  }
+  const buyDateParsed = validateBuyDate(buyDate);
+  const expDateParsed = parseDate(expDate);
+  //  購入日以降となるようにする
+  return buyDateParsed > expDateParsed ? buyDateParsed : expDateParsed;
+})
+
+const BuyExpDateSelect = ({
+    newStock,
+    setNewStock,
+}: {
+    newStock: {buyDate: string, expDate: string | null},
+    setNewStock: (tobuy: {buyDate: string, expDate: string | null}) => void,
+}) => {
+
+  {/* 購入日・消費期限を横並びに */ }
+  return <Box sx={{ display: 'flex', gap: 2, mb: 2 }}>
+    {/* 購入日入力フィールド */}
+    <TextField
+      margin="dense"
+      label="購入日"
+      type="date"
+      fullWidth
+      value={validateBuyDate(newStock.buyDate)}
+      onChange={(e) =>
+        setNewStock({ ...newStock, buyDate: e.target.value })
+      }
+      InputLabelProps={{ shrink: true }}
+      InputProps={{
+        inputProps: {
+          max: today,
+        }
+      }}
+    />
+
+    {/* 消費・賞味期限入力フィールド */}
+    <TextField
+      margin="dense"
+      label="消費・賞味期限"
+      type="date"
+      fullWidth
+      value={validateExpDate(newStock.buyDate, newStock.expDate)}
+      onChange={(e) =>
+        setNewStock({ ...newStock, expDate: e.target.value ?? null })
+      }
+      InputLabelProps={{ shrink: true }}
+      InputProps={{
+        inputProps: {
+          min: validateBuyDate(newStock.buyDate),
+        }
+      }}
+    />
+   
+  </Box>
+
+}
+
+export default BuyExpDateSelect;

frontend/src/components/Layout.tsx

@@ -101,6 +101,7 @@ const Layout: React.FC = () => {
   const [msgType, setMsgType] = useState<AlertColor>('info');
 
   const showMessage = (msg: string, sev: AlertColor) => {
+    console.log('ShowMessage:', msg, sev);
     setMsgText(msg);
     setMsgType(sev);
     setMsgOpen(true);

frontend/src/components/StuffHistoryDialog.tsx

@@ -32,7 +32,7 @@ const StuffHistoryDialog = ({
 }) => {
 
   return (
-    <Dialog open={openDialog} onClose={() => setOpenDialog(false)} disableScrollLock={true} PaperProps={{ sx: { minWidth: '300px', maxHeight: '80vh' } }}>
+    <Dialog open={openDialog} onClose={() => setOpenDialog(false)} disableScrollLock={true} PaperProps={{ sx: { minWidth: '90vw', maxHeight: '80vh' } }}>
       <DialogTitle sx={{ m: 0, p: 2, display: 'flex', justifyContent: 'space-between', alignItems: 'center' }}>
         購入履歴: {stuffName}
         <IconButton
@@ -68,7 +68,7 @@ const StuffHistoryDialog = ({
                   {/* 各ヘッダーセルに white-space: nowrap; を適用 */}
                   <TableCell sx={{ whiteSpace: 'nowrap' }}>購入日</TableCell>
                   {/* 「購入店舗」ヘッダーも nowrap にし、minWidth でスクロールを考慮 */}
-                  <TableCell sx={{ whiteSpace: 'nowrap', minWidth: '150px' }}>購入店舗</TableCell>
+                  <TableCell sx={{ whiteSpace: 'nowrap', minWidth: '120px' }}>購入店舗</TableCell>
                   <TableCell align="right" sx={{ whiteSpace: 'nowrap' }}>購入数量</TableCell>
                   <TableCell align="right" sx={{ whiteSpace: 'nowrap' }}>購入価格</TableCell>
                 </TableRow>

frontend/src/constants/normalMessages.ts

@@ -14,3 +14,10 @@ export const RECIPE_MESSAGES = {
   SAVED_AND_ADDED: 'レシピが保存されて買うものリストに追加されました！',
   NO_ADDITIONALS: '必要な食材が在庫にあったのでリストには追加されませんでした。',
 }
+
+// 在庫リスト
+export const STOCK_MESSAGES = {
+  CREATE_OK: '在庫リストに追加されました！',
+  UPDATE_OK: '在庫情報が編集されました！',
+  DELETE_OK: '在庫リストから削除されました！',
+};

frontend/src/pages/AddRecipe.tsx

@@ -193,9 +193,13 @@ const AddRecipe: React.FC = () => {
   }
 
   const cancelNumOfPeopleDialog = async () => {
-    const recipeId = await handleSaveRecipe();
-    if (!recipeId) return false;
-    setOpenNumOfPeapleDialog(false);
+    // const allRecipes = await recipeApi.getAllRecipes();
+    // const allRecipesId = allRecipes.map(recipe => recipe.recipeId);
+    // const allStocks = await stockApi.getStocks();
+    // const allStuffIdAndAmount = [allStocks.map(stock => stock.stuffId), allStocks.map(stock => stock.amount)];
+    // Promise.all(allRecipesId.map(async recipe => {
+    //   (await recipeApi.getById(recipe)
+    // }))
   }
 
   // コンポーネントマウント時にタスク一覧を取得
@@ -278,12 +282,10 @@ const AddRecipe: React.FC = () => {
 
           ))}</List>)}
 
-        
-
         <div style={{ position: "fixed", left: "80%", transform: 'translateX(-50%)', bottom: "10%" }}>
-          <Box sx={{ textAlign: 'center' }}>
+          {/* <Box sx={{ textAlign: 'center' }}>
             <Typography variant="caption">材料を追加</Typography>
-          </Box>
+          </Box> */}
           <Fab color="primary" onClick={() => setOpenAddDialog(true)}>
             <AddIcon sx={{ fontSize: "1.5rem" }} />
           </Fab>
@@ -292,11 +294,7 @@ const AddRecipe: React.FC = () => {
         <div style={{ position: "fixed", left: "50%", transform: 'translateX(-50%)', bottom: "64px", whiteSpace: 'nowrap' }}>
           <Button variant='contained' color="primary" onClick={handleSubmit} sx={{ marginRight: "1rem" }}>
             <SaveIcon sx={{ fontSize: "1.5rem", marginRight: "0.5rem" }} />
-            レシピを保存
-          </Button>
-          <Button variant='contained' color="primary" onClick={openNumOfPeopleDialog}>
-            <ListAltIcon sx={{ fontSize: "1.5rem", marginRight: "0.5rem" }} />
-            保存して買うものリストへ追加
+            保存
           </Button>
         </div>
 
@@ -340,49 +338,6 @@ const AddRecipe: React.FC = () => {
             setOpenAmountDialog(false);
           }} />
 
-        {/* 人数入力ダイアログ */}
-        <Dialog open={openNumOfPeapleDialog} onClose={() => setOpenNumOfPeapleDialog(false)} disableScrollLock={true}
-          style={{ width : '100%', position : 'fixed', left: '50%', transform: 'translateX(-50%)' }}
-        >
-          <Box display="flex" alignItems="center"
-            >
-            <DialogTitle sx={{ flexGrow: 1 }}>買うものリストへ追加</DialogTitle>
-          </Box>
-          <DialogContent>
-          <div>
-          {/* 人数入力フィールド */}
-          <TextField
-            margin="dense"
-            label="何人前"
-            fullWidth
-            value={numOfPeaple}
-            onChange={(e) => {
-              const value = e.target.value;
-              const parsedValue = parseInt(value, 10); // 数値に変換
-              if (/*!isNaN(parsedValue) && */ isNaN(parsedValue) || parsedValue >= 1) { //負数除外
-                setNumOfPeaple(parsedValue); // number型で保存
-              }
-            }}
-            sx={{ minWidth: "8px", width: "100%" }}
-            type="number"
-            inputProps={{ inputMode: "numeric", pattern: "[0-9]*" }} // ここで整数のみ許可
-
-          />
-        </div>
-        <FormControlLabel
-          control={<Checkbox checked={checked} onChange={(e) => setChecked(e.target.checked)} />}
-          label={<Typography sx={{ fontSize: '85%' }}>足りない食材のみ登録</Typography>}
-        />
-        </DialogContent>
-          <DialogActions>
-            <Button onClick={() => setOpenNumOfPeapleDialog(false)}>前の画面に戻る</Button>
-            <Button onClick={() => handleSubmitAndAddToBuy()} variant="contained"
-              style={{ width: '40%' }}
-            >
-              追加
-            </Button>
-          </DialogActions>
-        </Dialog>
       </div>
       </>
     }

frontend/src/pages/RecipeList.tsx

@@ -28,10 +28,11 @@ import {
 } from '@mui/material';
 import '../App.css';
 import {
-  Add as AddIcon, Delete as DeleteIcon, ShoppingBasket as ShoppingBasketIcon,
-  SoupKitchen as SoupKitchenIcon
+  Add as AddIcon, Delete as DeleteIcon, Edit as EditIcon, ShoppingBasket as ShoppingBasketIcon,
+  SoupKitchen as SoupKitchenIcon, Close as CloseIcon, TaskAlt as TaskAltIcon
 } from '@mui/icons-material';
 import { ToBuy, Stuff, RecipeWithId, RecipeDetail } from '../types/types';
+import AddByRecipeDialog from '../components/AddByRecipeDialog';
 import { useMessage } from '../components/MessageContext';
 import { RECIPE_ERRORS } from '../constants/errorMessages';
 
@@ -41,9 +42,21 @@ const RecipeList: React.FC = () => {
 
   const { showErrorMessage } = useMessage();
 
+  const EMPTY_RECIPEWITHID = {
+    recipeName: '',// レシピ名
+    summary: '',// レシピ概要
+    recipeId: 0, // レシピID
+    maxServings: 0 // 最大調理可能数
+  }
   // すべての料理リスト
   const [allRecipes, setAllRecipes] = useState<RecipeWithId[]>();
 
+  const [openAddByRecipeDialog, setOpenAddByRecipeDialog] = useState(false);
+
+  const [addByRecipeId, setAddByRecipeId] = useState(0);
+  const [numOfPeople, setNumOfPeople] = useState('1');
+  const [checked, setChecked] = useState(false);
+
   const openRecipeById = (recipeId: number) => {
     navigate('/addRecipe/' + recipeId);
   }
@@ -51,10 +64,12 @@ const RecipeList: React.FC = () => {
   const fetchAllRecipes = async () => {
     try {
       const recipes = await recipeApi.getAllRecipes();
+      console.log('All recipes:');
+      console.log(recipes);
       setAllRecipes(recipes);
     } catch (error) {
+      console.error(`${RECIPE_ERRORS.FETCH_FAILED}:`, error);
       showErrorMessage(RECIPE_ERRORS.FETCH_FAILED);
-      // console.error(`${TASK_ERRORS.FETCH_FAILED}:`, error);
     }
   };
 
@@ -64,45 +79,93 @@ const RecipeList: React.FC = () => {
   }, []);
 
   return (
-    <div className="mainContainer">
-      <div className="mainTitle">
-        <SoupKitchenIcon sx={{ mr: "0.5em" }} />
-        レシピリスト
-      </div>
-      <div className="listWrapper">
-        <List>
-          {/* 料理一覧をマップして各タスクをリストアイテムとして表示 */}
-          {!allRecipes
-            ? <p>読み込み中...</p>
-            : allRecipes.map((recipe, index) => (
-              <ListItem
-                key={recipe.recipeId}
-                sx={{
-                  color: 'primary',
-                  bgcolor: 'background.paper',
-                  mb: 1,
-                  borderRadius: 1,
-                  boxShadow: 1,
-                  fontSize: '1.5rem'
-                }}
-                onClick={() => openRecipeById(recipe.recipeId)}
-              >
-                {recipe.recipeName}
-              </ListItem>
-            ))}
-        </List>
+    <>
+      <div className="mainContainer">
+        <div className="mainTitle">
+          <SoupKitchenIcon sx={{ mr: "0.5em" }} />
+          レシピリスト
+        </div>
+        <div className="listWrapper">
+          <List>
+            {/* 料理一覧をマップして各タスクをリストアイテムとして表示 */}
+            {!allRecipes
+              ? <p>読み込み中...</p>
+              : allRecipes.map((recipe, index) => (
+                <ListItem
+                  key={recipe.recipeId}
+                  sx={{
+                    color: 'primary',
+                    bgcolor: 'background.paper',
+                    mb: 1,
+                    borderRadius: 1,
+                    boxShadow: 1,
+                    fontSize: '1.5rem'
+                  }}
+                  onClick={() => {
+                    setAddByRecipeId(recipe.recipeId)
+                    setOpenAddByRecipeDialog(true)
+                  }
+                  }
+                >
+                  <ListItemText
+                    primary={recipe.recipeName}
+                  />
+
+                  <ListItemSecondaryAction>
+                    
+                    {recipe.maxServings ?
+                      <Typography variant="body1" component="span" sx={{ marginRight: '1em', color: "mediumaquamarine" }}>
+                        {recipe.maxServings}人分
+                      </Typography>
+                    : <></>}
+
+                    {recipe.maxServings === 0 ?
+                      <Tooltip title="" sx={{ color: "tomato" }}>
+                        <IconButton edge="end" aria-label="">
+                          <CloseIcon />
+                        </IconButton>
+                      </Tooltip> :
+                      <Tooltip title="" sx={{ color: "mediumaquamarine" }}>
+                        <IconButton edge="end" aria-label="">
+                          <TaskAltIcon />
+                        </IconButton>
+                      </Tooltip>
+                    }
+
+                    <Tooltip title="編集">
+                      <IconButton edge="end" aria-label="編集"
+                        onClick={() => {
+                          navigate('/addRecipe/' + recipe.recipeId);
+                        }}
+                      >
+                        <EditIcon />
+                      </IconButton>
+                    </Tooltip>
+
+                  </ListItemSecondaryAction>
+                </ListItem>
+              ))}
+          </List>
+        </div>
       </div>
+      {/* 買うものリストへ追加ダイアログ */}
+      {
+        <AddByRecipeDialog openDialog={openAddByRecipeDialog} setOpenDialog={setOpenAddByRecipeDialog}
+          recipeId = {addByRecipeId} numOfPeople={numOfPeople} setNumOfPeaple={setNumOfPeople}
+          checked = {checked} setChecked={setChecked}
+        />
+      }
 
+      {/* 追加ボタン - 画面下部に固定表示 */}
       <Box className="plusButtonWrapper">
-        <Fab color="primary" onClick={() => navigate('/addRecipe')} className="plusButton">
+        <Fab color="primary" onClick={() => navigate('/addRecipe/')} className="plusButton">
           <AddIcon />
         </Fab>
         {/* <Typography className="plusButtonLabel">
-          新しいレシピの追加
+          レシピの追加
         </Typography> */}
       </Box>
-
-    </div>
+    </>
   );
 };
 

frontend/src/pages/StockPage.tsx

@@ -31,16 +31,19 @@ import { GENERAL_ERRORS, STOCK_ERRORS } from '../constants/errorMessages';
 import { Add as AddIcon, KeyboardArrowDown as ArrowDownIcon, KeyboardArrowUp as ArrowUpIcon, Inventory as InventoryIcon } from '@mui/icons-material';
 import DatePicker, { registerLocale } from 'react-datepicker';
 import { ja } from 'date-fns/locale/ja'; // date-fnsの日本語ロケールをインポート
+/*import DatePicker, { registerLocale } from 'react-datepicker';
+import { ja } from 'date-fns/locale/ja'; // date-fnsの日本語ロケールをインポート*/
 import { useMessage } from '../components/MessageContext';
+import BuyExpDateSelect from '../components/BuyExpDateSelect';
+import { STOCK_MESSAGES } from '../constants/normalMessages';
 
-// 日付をyyyy-MM-dd形式で返す関数
+/*// 日付をyyyy-MM-dd形式で返す関数
 const formatDateLocal = (date: Date) => {
   const year = date.getFullYear();
   const month = (date.getMonth() + 1).toString().padStart(2, '0');
   const day = date.getDate().toString().padStart(2, '0');
   return `${year}-${month}-${day}`;
-};
-
+};*/
 
 // 新規在庫の初期状態
 const EMPTY_STOCK: Omit<Stock, 'stockId' | 'stuffId'> & { stuffId: number | null } & { newAddition: boolean } = {
@@ -59,7 +62,7 @@ const EMPTY_STOCK: Omit<Stock, 'stockId' | 'stuffId'> & { stuffId: number | null
 }
 
 // 日本語ロケールを登録
-registerLocale('ja', ja);
+//registerLocale('ja', ja);
 
 const StockPage: React.FC = () => {
 
@@ -78,7 +81,7 @@ const StockPage: React.FC = () => {
   // 在庫の編集状態
   const [editStock, setEditStock] = useState<Stock | null>(null);
 
-  const { showErrorMessage, showWarningMessage } = useMessage();
+  const { showErrorMessage, showWarningMessage, showSuccessMessage } = useMessage();
 
   // カテゴリ名一覧
   const CATEGORY_NAMES = [
@@ -121,8 +124,21 @@ const StockPage: React.FC = () => {
       if (newStock.newAddition) {
         newStock.stuffId = null;
       }
-      if (isNaN(newStock.amount)) return;
-      if (isNaN(newStock.price)) return;
+
+      if (!newStock.stuffId && !newStock.stuffName) {
+        showErrorMessage(GENERAL_ERRORS.INVALID_STUFF_NAME);
+        return;
+      }
+
+      if (isNaN(newStock.amount)) {
+        showErrorMessage(GENERAL_ERRORS.INVALID_AMOUNT);
+        return;
+      }
+
+      if (newStock.price === null || isNaN(newStock.price)) {
+        showErrorMessage(GENERAL_ERRORS.INVALID_PRICE);
+        return;
+      }
 
       if (newStock.buyAmount !== null && isNaN(newStock.buyAmount)) {
         newStock.buyAmount = null;
@@ -132,23 +148,25 @@ const StockPage: React.FC = () => {
       console.log(newStock)
 
       // 購入日と消費・賞味期限の整合性チェック
-      const buy = new Date(newStock.buyDate);
-      const exp = new Date(newStock.expDate);
-      // 時間をリセットして純粋な“日付のみ”のタイムスタンプを取得
-      const buyDateOnly = new Date(buy);
-      buyDateOnly.setHours(0, 0, 0, 0);
-      const expDateOnly = new Date(exp);
-      expDateOnly.setHours(0, 0, 0, 0);
-
-      // console.log("新規作成buy:", buy);
-      // console.log("新規作成exp:", exp);
-      // console.log("新規作成buyDateOnly:", buyDateOnly);
-      // console.log("新規作成expDateOnly:", expDateOnly);
-
-      if (buyDateOnly.getTime() > expDateOnly.getTime()) {
-        // alert("購入日は消費・賞味期限より前の日付を設定してください。");
-        showErrorMessage('購入日は消費・賞味期限より前の日付を設定してください．');
-        return;
+      if (newStock.expDate !== null) {
+        const buy = new Date(newStock.buyDate);
+        const exp = new Date(newStock.expDate);
+        // 時間をリセットして純粋な“日付のみ”のタイムスタンプを取得
+        const buyDateOnly = new Date(buy);
+        buyDateOnly.setHours(0, 0, 0, 0);
+        const expDateOnly = new Date(exp);
+        expDateOnly.setHours(0, 0, 0, 0);
+
+        // console.log("新規作成buy:", buy);
+        // console.log("新規作成exp:", exp);
+        // console.log("新規作成buyDateOnly:", buyDateOnly);
+        // console.log("新規作成expDateOnly:", expDateOnly);
+
+        if (buyDateOnly.getTime() > expDateOnly.getTime()) {
+          // alert("購入日は消費・賞味期限より前の日付を設定してください。");
+          showErrorMessage('購入日は消費・賞味期限より前の日付を設定してください．');
+          return;
+        }
       }
 
       const today = new Date().toISOString().substring(0, 10);
@@ -157,6 +175,7 @@ const StockPage: React.FC = () => {
       console.log("送信するデータ:", updatedStock); // 送信前のデータを確認
       await stockApi.addStock(updatedStock); // 修正したオブジェクトを API に送信
 
+      showSuccessMessage(STOCK_MESSAGES.CREATE_OK);
 
       // await stockApi.addStock(newStock);
       setIsAddOpen(false); // ダイアログを閉じる
@@ -175,10 +194,12 @@ const StockPage: React.FC = () => {
     try {
       await stockApi.updateStock(request);
       fetchStocks(); // 削除後の買うもの一覧を再取得
+      // showSuccessMessage(STOCK_MESSAGES.UPDATE_OK); 
     } catch (error) {
       console.error(`${STOCK_ERRORS.UPDATE_FAILED}:`, error);
-      showErrorMessage(STOCK_ERRORS.UPDATE_FAILED);
+      // showErrorMessage(STOCK_ERRORS.UPDATE_FAILED);
     }
+    
   };
 
   /**
@@ -188,6 +209,9 @@ const StockPage: React.FC = () => {
   const handleDeleteStock = async (stockId: number) => {
     try {
       await stockApi.deleteStock(stockId);
+
+    showSuccessMessage(STOCK_MESSAGES.DELETE_OK);
+
       fetchStocks(); // 削除後の買うもの一覧を再取得
     } catch (error) {
       console.error(`${STOCK_ERRORS.DELETE_FAILED}:`, error);
@@ -237,23 +261,25 @@ const StockPage: React.FC = () => {
     if (!editStock) return;
 
     const { stockId, amount, buyAmount, price, shop, buyDate, expDate, lastUpdate } = editStock;
-    // 購入日が消費・賞味期限より未来の場合はエラー表示
-    const buy = new Date(buyDate);
-    const exp = new Date(expDate);
-    // 時間をリセットして純粋な“日付のみ”のタイムスタンプを取得
-    const buyDateOnly = new Date(buy);
-    buyDateOnly.setHours(0, 0, 0, 0);
-    const expDateOnly = new Date(exp);
-    expDateOnly.setHours(0, 0, 0, 0);
-    // console.log("編集buy:", buy);
-    // console.log("編集exp:", exp);
-    // console.log("編集buyDateOnly:", buyDateOnly);
-    // console.log("編集expDateOnly:", expDateOnly);
-
-    if (buy > exp) {
-      // alert("購入日は消費・賞味期限より前の日付を設定してください。");
-      showErrorMessage('購入日は消費・賞味期限より前の日付を設定してください．');
-      return;
+    if (expDate !== null) {
+      // 購入日が消費・賞味期限より未来の場合はエラー表示
+      const buy = new Date(buyDate);
+      const exp = new Date(expDate);
+      // 時間をリセットして純粋な“日付のみ”のタイムスタンプを取得
+      const buyDateOnly = new Date(buy);
+      buyDateOnly.setHours(0, 0, 0, 0);
+      const expDateOnly = new Date(exp);
+      expDateOnly.setHours(0, 0, 0, 0);
+      // console.log("編集buy:", buy);
+      // console.log("編集exp:", exp);
+      // console.log("編集buyDateOnly:", buyDateOnly);
+      // console.log("編集expDateOnly:", expDateOnly);
+
+      if (buy > exp) {
+        // alert("購入日は消費・賞味期限より前の日付を設定してください。");
+        showErrorMessage('購入日は消費・賞味期限より前の日付を設定してください．');
+        return;
+      }
     }
 
     try {
@@ -269,14 +295,14 @@ const StockPage: React.FC = () => {
         setIsDeleteOpen(true);        // 削除ダイアログを開く
         return;
       }
-      if (!numericAmount || !numericBuyAmount) {
+      if (!numericAmount /* || !numericBuyAmount */) {
         showErrorMessage(GENERAL_ERRORS.INVALID_AMOUNT);
         return;
       }
-      if (!numericPrice) {
-        showErrorMessage(GENERAL_ERRORS.INVALID_PRICE);
-        return;
-      }
+      // if (!numericPrice) {
+      //   showErrorMessage(GENERAL_ERRORS.INVALID_PRICE);
+      //   return;
+      // }
 
       const lastUpdate = new Date().toISOString().substring(0, 10);
 
@@ -295,6 +321,9 @@ const StockPage: React.FC = () => {
 
       await handleUpdateStock(updateRequest);
 
+      console.log(STOCK_MESSAGES.UPDATE_OK)
+      showSuccessMessage(STOCK_MESSAGES.UPDATE_OK);
+
       setSelectedRow(editStock); // 更新後に選択行を反映
       fetchStocks();             // 最新データを取得
       setSelectedRow(null);      // 選択解除
@@ -373,21 +402,25 @@ const StockPage: React.FC = () => {
             </TableHead>
             <TableBody>
               {filteredStocks.map(stock => {
-                const today = new Date();
-                const expDate = new Date(stock.expDate);
-                // 時間をリセットして純粋な“日付のみ”のタイムスタンプを取得
-                const todayDateOnly = new Date(today);
-                todayDateOnly.setHours(0, 0, 0, 0);
-                const expDateOnly = new Date(expDate);
-                expDateOnly.setHours(0, 0, 0, 0);
-                const timeDiff = expDateOnly.getTime() - todayDateOnly.getTime();
-                const daysLeft = Math.ceil(timeDiff / (1000 * 60 * 60 * 24));
-
-                // console.log("テーブルtoday:", today);
-                // console.log("テーブルexp:", expDate);
-                // console.log("テーブルtodayDateOnly:", todayDateOnly);
-                // console.log("テーブルexpDateOnly:", expDateOnly);
-                // console.log("日数差:", daysLeft);
+                let daysLeft = null;
+
+                if (stock.expDate !== null) {
+                  const today = new Date();
+                  const expDate = new Date(stock.expDate);
+                  // 時間をリセットして純粋な“日付のみ”のタイムスタンプを取得
+                  const todayDateOnly = new Date(today);
+                  todayDateOnly.setHours(0, 0, 0, 0);
+                  const expDateOnly = new Date(expDate);
+                  expDateOnly.setHours(0, 0, 0, 0);
+                  const timeDiff = expDateOnly.getTime() - todayDateOnly.getTime();
+                  daysLeft = Math.ceil(timeDiff / (1000 * 60 * 60 * 24));
+
+                  // console.log("テーブルtoday:", today);
+                  // console.log("テーブルexp:", expDate);
+                  // console.log("テーブルtodayDateOnly:", todayDateOnly);
+                  // console.log("テーブルexpDateOnly:", expDateOnly);
+                  // console.log("日数差:", daysLeft);
+                }
 
                 return (
                   <TableRow
@@ -398,9 +431,9 @@ const StockPage: React.FC = () => {
                     <TableCell align="center" sx={{ width: '40%', fontSize: '16px' }}>{stock.stuffName}</TableCell>
                     <TableCell align="center" sx={{ width: '20%', fontSize: '16px' }}>{stock.amount}</TableCell>
                     <TableCell align="center" sx={{ width: '40%', fontSize: '16px' }}
-                      style={daysLeft <= 3 ? { color: "red", fontWeight: "bold" } : {}}
+                      style={daysLeft !== null && daysLeft <= 3 ? { color: "red", fontWeight: "bold" } : {}}
                     >
-                      {formatDate(stock.expDate)}
+                      {stock.expDate && formatDate(stock.expDate)}
                     </TableCell>
                   </TableRow>
                 );
@@ -485,53 +518,9 @@ const StockPage: React.FC = () => {
                   onChange={handleChange}
                 />
 
-                {/* 購入日・消費期限を横並びに */}
-                <Box sx={{ display: 'flex', gap: 2, mb: 2 }}>
-                  {/* 購入日フィールド */}
-                  <DatePicker
-                    selected={editStock.buyDate ? new Date(editStock.buyDate) : null}
-                    onChange={(date) => {
-                      if (editStock) {
-                        setEditStock({
-                          ...editStock,
-                          buyDate: date ? formatDateLocal(date) : '',
-                        });
-                      }
-                    }}
-                    dateFormat="yyyy/MM/dd"
-                    customInput={
-                      <TextField
-                        margin="normal"
-                        label="購入日 (yyyy/MM/dd)"
-                        fullWidth
-                        name="buyDate"
-                      />
-                    }
-                    isClearable
-                  />
-                  {/* 消費・賞味期限フィールド */}
-                  <DatePicker
-                    selected={editStock.expDate ? new Date(editStock.expDate) : null}
-                    onChange={(date) => {
-                      if (editStock) {
-                        setEditStock({
-                          ...editStock,
-                          expDate: date ? formatDateLocal(date) : '',
-                        });
-                      }
-                    }}
-                    dateFormat="yyyy/MM/dd"
-                    customInput={
-                      <TextField
-                        margin="normal"
-                        label="消費・賞味期限 (yyyy/MM/dd)"
-                        fullWidth
-                        name="expDate"
-                      />
-                    }
-                    isClearable
-                  />
-                </Box>
+                {/* 購入日・賞味期限入力 */}
+                <BuyExpDateSelect newStock={editStock} setNewStock={({ buyDate, expDate }) => setEditStock({ ...editStock, buyDate, expDate })} />
+
                 <Box sx={{ display: 'flex', justifyContent: 'flex-end', gap: 2, mt: 3, mb: 2 }}>
                   <Button onClick={() => { setIsEditOpen(false); setSelectedRow(null); }}>
                     キャンセル
@@ -718,46 +707,14 @@ const StockPage: React.FC = () => {
               label="購入店舗"
               fullWidth
               value={newStock.shop}
-              onChange={(e) => setNewStock({...newStock, shop: e.target.value})}
+              onChange={(e) => setNewStock({ ...newStock, shop: e.target.value })}
             />
             {/* 購入日・消費期限を横並びに */}
             <Box sx={{ display: 'flex', gap: 2, mb: 2 }}>
-              {/* 購入日入力フィールド */}
-              <DatePicker
-                popperClassName="custom-datepicker-popper"
-                selected={newStock.buyDate ? new Date(newStock.buyDate) : null}
-                onChange={(date) =>
-                  setNewStock({ ...newStock, buyDate: date ? formatDateLocal(date) : '' })
-                }
-                dateFormat="yyyy/MM/dd"
-                customInput={
-                  <TextField
-                    margin="dense"
-                    label="購入日(yyyy/MM/dd)"
-                    fullWidth
-                  />
-                }
-                isClearable
-              //withPortal // ← 他の文字との重なり対策
-              />
-              {/* 消費・賞味期限入力フィールド */}
-              <DatePicker
-                popperClassName="custom-datepicker-popper"
-                selected={newStock.expDate ? new Date(newStock.expDate) : null}
-                onChange={(date) =>
-                  setNewStock({ ...newStock, expDate: date ? formatDateLocal(date) : '' })
-                }
-                dateFormat="yyyy/MM/dd"
-                customInput={
-                  <TextField
-                    margin="dense"
-                    label="消費・賞味期限(yyyy/MM/dd)"
-                    fullWidth
-                  />
-                }
-                isClearable
-              //withPortal
-              />
+
+              {/* 購入日・賞味期限入力 */}
+              <BuyExpDateSelect newStock={newStock} setNewStock={({ buyDate, expDate }) => setNewStock({ ...newStock, buyDate, expDate })} />
+
             </Box>
           </Box>
         </DialogContent>
@@ -772,15 +729,15 @@ const StockPage: React.FC = () => {
       {/* 各カテゴリを表示 */}
       {CATEGORY_NAMES.map(category => {
         return (
-        <Box sx={{ padding: "1rem" }}>
-          <Typography variant="h5" component="h1" gutterBottom
-            onClick={() => setOpenCategory({...openCategory, [category]: !openCategory[category]})}
-          >
-            {!openCategory[category] ? <ArrowDownIcon color="primary" /> : <ArrowUpIcon color="primary" />}
-            {category}
-          </Typography>
-          {openCategory[category] && StockTable(stocks, [category])}
-        </Box>
+          <Box sx={{ padding: "1rem" }}>
+            <Typography variant="h5" component="h1" gutterBottom
+              onClick={() => setOpenCategory({ ...openCategory, [category]: !openCategory[category] })}
+            >
+              {!openCategory[category] ? <ArrowDownIcon color="primary" /> : <ArrowUpIcon color="primary" />}
+              {category}
+            </Typography>
+            {openCategory[category] && StockTable(stocks, [category])}
+          </Box>
         )
       })}
 
@@ -793,7 +750,7 @@ const StockPage: React.FC = () => {
           材料の追加
         </Typography> */}
       </Box>
-      
+
     </div>
   );
 };

frontend/src/pages/TaskListPage.tsx

@@ -33,6 +33,7 @@ import AddStuffAmountDialog from '../components/AddStuffAmountDialog';
 import BuyDialog from '../components/BuyDialog';
 import { useNavigate } from 'react-router-dom';
 import DatePicker from 'react-datepicker';
+import MessageAlert from '../components/MessageAlert';
 import { useMessage } from '../components/MessageContext';
 import StuffHistoryDialog from '../components/StuffHistoryDialog';
 
@@ -71,8 +72,8 @@ const TaskListPage: React.FC = () => {
     amount: '', // 購入数量(ここではstring)
     price: '', // ここではstring
     shop: '',
-    buyDate: new Date().toISOString(),
-    expDate: '',
+    buyDate: '', // 日付選択側で今日の日付がデフォルトで選択されている
+    expDate: '', // 未設定状態
   });
 
   //削除確認ダイアログの表示状態
@@ -116,6 +117,7 @@ const TaskListPage: React.FC = () => {
       setToBuys(tobuys);
     } catch (error) {
       console.error(`${TOBUY_ERRORS.FETCH_FAILED}:`, error);
+      showErrorMessage(TOBUY_ERRORS.FETCH_FAILED);
     }
   };
 
@@ -145,6 +147,7 @@ const TaskListPage: React.FC = () => {
       fetchTasks(); // 削除後の買うもの一覧を再取得
     } catch (error) {
       console.error(`${TOBUY_ERRORS.DELETE_FAILED}:`, error);
+      showErrorMessage(TOBUY_ERRORS.DELETE_FAILED);
     }
   };
 
@@ -170,12 +173,14 @@ const TaskListPage: React.FC = () => {
       console.log(newToBuy)
       await toBuyApi.addToBuy(newToBuy);
       setOpenAddToBuyDialog(false); // ダイアログを閉じる
+      // alert(TOBUY_MESSAGES.CREATE_OK);
       showSuccessMessage(TOBUY_MESSAGES.CREATE_OK);
       setNewToBuy(EMPTY_TOBUY); // 入力内容をリセット
       fetchTasks(); // 作成後のタスク一覧を再取得
 
     } catch (error) {
       console.error(`${TOBUY_ERRORS.CREATE_FAILED}:`, error);
+      showErrorMessage(TOBUY_ERRORS.CREATE_FAILED);
     }
   };
 
@@ -198,6 +203,7 @@ const TaskListPage: React.FC = () => {
       fetchTasks(); // 作成後のタスク一覧を再取得
     } catch (error) {
       console.error(`${TOBUY_ERRORS.CREATE_FAILED}:`, error);
+      showErrorMessage(TOBUY_ERRORS.CREATE_FAILED);
     }
   };
 
@@ -206,20 +212,32 @@ const TaskListPage: React.FC = () => {
    */
   const handleBuy = async () => {
     try {
+
+      //  今日の日付文字列（日付部分のみ）
       const today = new Date().toISOString().substring(0, 10);
+
       const parsedPrice = parseInt(newStock.price, 10);
       console.log("newPrice:", newStock.price);
       console.log("parsedPrice: ", parsedPrice);
+
+      //  購入価格のバリデーション
       if (isNaN(parsedPrice)) {
         showErrorMessage(GENERAL_ERRORS.INVALID_PRICE);
         return;
-        //setNewStock({ ...newStock, price: parsedPrice });
       }
+
+      //  購入数量のバリデーション
       const amount = parseInt(newStock.amount, 10);
       if (isNaN(amount)) {
         showErrorMessage(TOBUY_ERRORS.INVALID_BUYAMOUNT);
         return;
       }
+
+      //  購入日のバリデーション（未設定の場合今日を設定）
+      if (!newStock.buyDate) {
+        newStock.buyDate = today;
+      }
+
       await toBuyApi.buy({
         tobuyId: selectedToBuyId,
         ...newStock,
@@ -227,10 +245,14 @@ const TaskListPage: React.FC = () => {
         price: parsedPrice,
         lastUpdate: today
       }); //データベースに送信
+
       setOpenInfoDialog(false);
+      
       fetchTasks(); // 変更後後の買うもの一覧を再取得
+
     } catch (error) {
       console.error(`${TOBUY_ERRORS.BUY_FAILED}:`, error);
+      showErrorMessage(TOBUY_ERRORS.BUY_FAILED);
     }
   };
 

frontend/src/services/api.ts

@@ -3,7 +3,7 @@
  * バックエンドAPIとの通信を担当するモジュール
  * 認証、タスク管理などの機能を提供
  */
-import { LoginCredentials, RegisterCredentials, AuthResponse, /* Task, */ ToBuy, Stuff, Stock, RecipeDetail, StuffAndCategoryAndAmount, RecipeWithId, StockHistory, StockUpdateRequest } from '../types/types';
+import { LoginCredentials, RegisterCredentials, AuthResponse, /* Task, */ ToBuy, Stuff, Stock, RecipeDetail, StuffAndCategoryAndAmount, RecipeWithId, StockHistory, StockUpdateRequest, RecipeDetailWithId } from '../types/types';
 import { AUTH_ERRORS, TOBUY_ERRORS, STOCK_ERRORS, RECIPE_ERRORS } from '../constants/errorMessages';
 
 // APIのベースURL - 環境変数から取得するか、デフォルト値を使用
@@ -188,12 +188,20 @@ export const toBuyApi = {
   /**
    * 買うものリストの在庫登録（購入処理）
    */
-  buy: async (req: { tobuyId: number, amount: number, price: number, shop: string, expDate: string, buyDate: string, lastUpdate: string }): Promise<{ result: boolean }> => {
+  buy: async (req: {
+    tobuyId: number,
+    amount: number,
+    price: number,
+    shop: string,
+    buyDate: string,
+    expDate: string | null,
+    lastUpdate: string
+  }): Promise<{ result: boolean }> => {
 
     console.log('/api/tobuy/buy request: ', req)
 
-    req.buyDate = makeDateObject(req.buyDate)?.toISOString()?.substring(0, 10) || ''
-    req.expDate = makeDateObject(req.expDate)?.toISOString()?.substring(0, 10) || ''
+    req.buyDate = parseDate(req.buyDate) || getToday();
+    req.expDate = parseDate(req.expDate)
 
     const response = await fetch(`${API_BASE_URL}/api/tobuy/buy`, {
       method: 'POST',
@@ -286,8 +294,8 @@ export const stockApi = {
 
     console.log("送信するデータ:", stock); // 送信前のデータ確認
 
-    stock.buyDate = makeDateObject(stock.buyDate)?.toISOString()?.substring(0, 10) || ''
-    stock.expDate = makeDateObject(stock.expDate)?.toISOString()?.substring(0, 10) || ''
+    stock.buyDate = parseDate(stock.buyDate) || getToday();
+    stock.expDate = parseDate(stock.expDate)
 
     console.log("変換後のデータ:", stock); // 日付変換後のデータ確認
 
@@ -317,8 +325,8 @@ export const stockApi = {
   updateStock: async (req: StockUpdateRequest): Promise<{ result: boolean; message: string }> => {
     // console.log('req: ', req)
 
-    req.buyDate = makeDateObject(req.buyDate)?.toISOString()?.substring(0, 10) || ''
-    req.expDate = makeDateObject(req.expDate)?.toISOString()?.substring(0, 10) || ''
+    req.buyDate = parseDate(req.buyDate) || getToday();
+    req.expDate = parseDate(req.expDate)
 
     console.log('req: ', req)
 
@@ -469,12 +477,7 @@ export const recipeApi = {
    * @param recipeId 取得対象のレシピID
    * @returns レシピ詳細情報
   */
-  getById: async (recipeId: number): Promise<{
-    recipeId: number;
-    recipeName: string;
-    summary: string;
-    stuffAndAmountArray: StuffAndCategoryAndAmount[];
-  }> => {
+  getById: async (recipeId: number): Promise<RecipeDetailWithId> => {
     const response = await fetch(`${API_BASE_URL}/api/recipes/getById?recipeId=${recipeId}`, {
       method: 'GET',
       headers: getHeaders(),
@@ -490,15 +493,22 @@ export const recipeApi = {
 };
 
 
-function makeDateObject(dateStr: String) {
+function parseDate(dateStr: string | null) {
   // 例: '2025/06/15' または '2025-06-15' を '2025-06-15' に変換
-  const parts = dateStr.split(/[-\/]/); // ハイフンかスラッシュで分割
-  if (parts.length === 3) {
-    return new Date(parts[0] + '-' + parts[1] + '-' + parts[2]);
+  if (dateStr) {
+    const parts = dateStr.split(/[-\/]/); // ハイフンかスラッシュで分割
+    if (parts.length === 3) {
+      const date = new Date(parts[0] + '-' + parts[1] + '-' + parts[2]);
+      return date.toISOString().substring(0, 10);
+    }
   }
   return null; // 無効な日付の場合
 }
 
+function getToday() {
+  return new Date().toISOString().substring(0, 10);
+}
+
 
 // /**
 //  * (サンプル，実際には不要)

frontend/src/types/types.ts

@@ -62,10 +62,10 @@ export interface StockUpdateRequest {
   stockId: number,
   amount: number,
   buyAmount: number | null,
-  price: number,
+  price: number | null,
   shop: string | null,
   buyDate: string,
-  expDate: string,
+  expDate: string | null,
   lastUpdate: string,
 }
 
@@ -97,7 +97,7 @@ export interface NewStock {
   price: string,
   shop: string,
   buyDate: string,
-  expDate: string,
+  expDate: string | null,
 }
 
 /**
@@ -160,4 +160,21 @@ export interface RecipeDetail extends Recipe {
     category?: string; // 新規材料カテゴリ（オプション）
     amount: number;   // 使用量（必須）
   }[];
+}
+
+/**
+ * レシピ詳細取得用の複合型定義
+ * レシピ基本情報(ID, 最大調理可能数を含む)と材料リストを統合
+ */
+export interface RecipeDetailWithId extends RecipeWithId {
+
+  // 材料リスト（直接配列として内包）
+  stuffAndAmountArray: {
+    // 既存材料IDまたは新規作成情報のどちらか一方のみ必要
+    stuffId: number;   // 材料ID
+    stuffName: string; // 材料名
+    category: string;  // 材料カテゴリ
+    amount: number;    // 数量
+  }[];
+
 }