Implement update and delete for transactions

http/http.go

@@ -86,6 +86,7 @@ func (h *Handler) Serve() {
 
 	transaction := authenticated.Group("/transaction")
 	transaction.POST("/new", h.newTransaction)
+	transaction.POST("/:transactionid", h.newTransaction)
 	transaction.POST("/import/ynab", h.importYNAB)
 
 	router.Run(":1323")

http/transaction.go

@@ -24,9 +24,26 @@ func getUUID(c *gin.Context, name string) (uuid.UUID, error) {
 	return id, nil
 }
 
-func getNullUUID(c *gin.Context, name string) (uuid.NullUUID, error) {
+func getNullUUIDFromParam(c *gin.Context, name string) (uuid.NullUUID, error) {
+	value := c.Param(name)
+	if value == "" {
+		return uuid.NullUUID{}, nil
+	}
+
+	id, err := uuid.Parse(value)
+	if err != nil {
+		return uuid.NullUUID{}, fmt.Errorf("not a valid uuid: %w", err)
+	}
+
+	return uuid.NullUUID{
+		UUID:  id,
+		Valid: true,
+	}, nil
+}
+
+func getNullUUIDFromForm(c *gin.Context, name string) (uuid.NullUUID, error) {
 	value, succ := c.GetPostForm(name)
-	if !succ {
+	if !succ || value == "" {
 		return uuid.NullUUID{}, nil
 	}
 
@@ -45,13 +62,13 @@ func (h *Handler) newTransaction(c *gin.Context) {
 	transactionMemo, _ := c.GetPostForm("memo")
 	transactionAccountID, err := getUUID(c, "account_id")
 	if err != nil {
-		c.AbortWithError(http.StatusNotAcceptable, err)
+		c.AbortWithError(http.StatusNotAcceptable, fmt.Errorf("account_id: %w", err))
 		return
 	}
 
-	transactionCategoryID, err := getNullUUID(c, "category_id")
+	transactionCategoryID, err := getNullUUIDFromForm(c, "category_id")
 	if err != nil {
-		c.AbortWithError(http.StatusNotAcceptable, err)
+		c.AbortWithError(http.StatusNotAcceptable, fmt.Errorf("category_id: %w", err))
 		return
 	}
 
@@ -75,6 +92,12 @@ func (h *Handler) newTransaction(c *gin.Context) {
 
 	amount := postgres.Numeric{}
 	amount.Set(transactionAmount)
+
+	transactionUUID, err := getNullUUIDFromParam(c, "transactionid")
+	if err != nil {
+
+	}
+	if !transactionUUID.Valid {
 		new := postgres.CreateTransactionParams{
 			Memo:       transactionMemo,
 			Date:       transactionDateValue,
@@ -88,4 +111,23 @@ func (h *Handler) newTransaction(c *gin.Context) {
 			c.AbortWithError(http.StatusInternalServerError, fmt.Errorf("create transaction: %w", err))
 			return
 		}
+	} else {
+		_, delete := c.GetPostForm("delete")
+		if delete {
+			h.Service.DeleteTransaction(c.Request.Context(), transactionUUID.UUID)
+		}
+		update := postgres.UpdateTransactionParams{
+			Memo:       transactionMemo,
+			Date:       transactionDateValue,
+			Amount:     amount,
+			AccountID:  transactionAccountID,
+			PayeeID:    uuid.NullUUID{},
+			CategoryID: transactionCategoryID,
+		}
+		err = h.Service.UpdateTransaction(c.Request.Context(), update)
+		if err != nil {
+			c.AbortWithError(http.StatusInternalServerError, fmt.Errorf("update transaction: %w", err))
+			return
+		}
+	}
 }

postgres/queries/transactions.sql

@@ -8,6 +8,20 @@ INSERT INTO transactions
 VALUES ($1, $2, $3, $4, $5, $6)
 RETURNING *;
 
+-- name: UpdateTransaction :exec
+UPDATE transactions
+SET date = $1,
+    memo = $2,
+    amount = $3,
+    account_id = $4,
+    payee_id = $5,
+    category_id = $6
+WHERE id = $7;
+
+-- name: DeleteTransaction :exec
+DELETE FROM transactions
+WHERE id = $1;
+
 -- name: GetTransactionsForBudget :many
 SELECT  transactions.id, transactions.date, transactions.memo, transactions.amount,
         accounts.name as account, COALESCE(payees.name, '') as payee, COALESCE(category_groups.name, '') as category_group, COALESCE(categories.name, '') as category

postgres/transactions.sql.go

@@ -63,6 +63,16 @@ func (q *Queries) DeleteAllTransactions(ctx context.Context, budgetID uuid.UUID)
 	return result.RowsAffected()
 }
 
+const deleteTransaction = `-- name: DeleteTransaction :exec
+DELETE FROM transactions
+WHERE id = $1
+`
+
+func (q *Queries) DeleteTransaction(ctx context.Context, id uuid.UUID) error {
+	_, err := q.db.ExecContext(ctx, deleteTransaction, id)
+	return err
+}
+
 const getTransaction = `-- name: GetTransaction :one
 SELECT id, date, memo, amount, account_id, category_id, payee_id FROM transactions
 WHERE id = $1
@@ -228,3 +238,37 @@ func (q *Queries) GetTransactionsForBudget(ctx context.Context, budgetID uuid.UU
 	}
 	return items, nil
 }
+
+const updateTransaction = `-- name: UpdateTransaction :exec
+UPDATE transactions
+SET date = $1,
+    memo = $2,
+    amount = $3,
+    account_id = $4,
+    payee_id = $5,
+    category_id = $6
+WHERE id = $7
+`
+
+type UpdateTransactionParams struct {
+	Date       time.Time
+	Memo       string
+	Amount     Numeric
+	AccountID  uuid.UUID
+	PayeeID    uuid.NullUUID
+	CategoryID uuid.NullUUID
+	ID         uuid.UUID
+}
+
+func (q *Queries) UpdateTransaction(ctx context.Context, arg UpdateTransactionParams) error {
+	_, err := q.db.ExecContext(ctx, updateTransaction,
+		arg.Date,
+		arg.Memo,
+		arg.Amount,
+		arg.AccountID,
+		arg.PayeeID,
+		arg.CategoryID,
+		arg.ID,
+	)
+	return err
+}

web/transaction.html

@@ -28,7 +28,7 @@
             <span aria-hidden="true">&times;</span>
         </button>
     </div>
-    <form id="newtransactionform" action="/api/v1/transaction/new" method="POST">
+    <form id="newtransactionform" action="/api/v1/transaction/{{.Transaction.ID}}" method="POST">
         <div class="modal-body">
             <input type="hidden" name="account_id" value="{{.Account.ID}}" />
             <div class="form-group">
@@ -58,8 +58,8 @@
         </div>
         <div class="modal-footer">
             <button type="button" class="btn btn-secondary" data-bs-dismiss="modal">Close</button>
-            <input type="submit" class="btn btn-primary" value="Create" class="form-control" />
-            <input type="submit" class="btn btn-danger" value="Delete" class="form-control" />
+            <input type="submit" class="btn btn-primary" name="create" value="Create" class="form-control" />
+            <input type="submit" class="btn btn-danger" name="delete" value="Delete" class="form-control" />
         </div>
     </form>
 </div>