feat(transaction-recurring): #100 add summary for recurring transactions

handler/treasure_chest.go

@@ -10,6 +10,7 @@ import (
 	"spend-sparrow/utils"
 
 	"github.com/a-h/templ"
+	"github.com/google/uuid"
 )
 
 type TreasureChest interface {
@@ -51,7 +52,15 @@ func (h TreasureChestImpl) handleTreasureChestPage() http.HandlerFunc {
 			return
 		}
 
-		comp := t.TreasureChest(treasureChests)
+		transactionsRecurring, err := h.transactionRecurring.GetAll(user)
+		if err != nil {
+			handleError(w, r, err)
+			return
+		}
+
+		monthlySums := h.calculateMonthlySums(treasureChests, transactionsRecurring)
+
+		comp := t.TreasureChest(treasureChests, monthlySums)
 		h.r.RenderLayout(r, w, comp, user)
 	}
 }
@@ -94,7 +103,8 @@ func (h TreasureChestImpl) handleTreasureChestItemComp() http.HandlerFunc {
 		if r.URL.Query().Get("edit") == "true" {
 			comp = t.EditTreasureChest(treasureChest, treasureChests, transactionsRec)
 		} else {
-			comp = t.TreasureChestItem(treasureChest)
+			monthlySums := h.calculateMonthlySums(treasureChests, transactionsRecurring)
+			comp = t.TreasureChestItem(treasureChest, monthlySums)
 		}
 		h.r.Render(r, w, comp)
 	}
@@ -129,7 +139,16 @@ func (h TreasureChestImpl) handleUpdateTreasureChest() http.HandlerFunc {
 			}
 		}
 
-		comp := t.TreasureChestItem(treasureChest)
+		transactionsRecurring, err := h.transactionRecurring.GetAllByTreasureChest(user, treasureChest.Id.String())
+		if err != nil {
+			handleError(w, r, err)
+			return
+		}
+
+		treasureChests := make([]*types.TreasureChest, 1)
+		treasureChests[0] = treasureChest
+		monthlySums := h.calculateMonthlySums(treasureChests, transactionsRecurring)
+		comp := t.TreasureChestItem(treasureChest, monthlySums)
 		h.r.Render(r, w, comp)
 	}
 }
@@ -151,3 +170,19 @@ func (h TreasureChestImpl) handleDeleteTreasureChest() http.HandlerFunc {
 		}
 	}
 }
+
+func (h TreasureChestImpl) calculateMonthlySums(
+	treasureChests []*types.TreasureChest,
+	transactionsRecurring []*types.TransactionRecurring,
+) map[uuid.UUID]int64 {
+	monthlySums := make(map[uuid.UUID]int64)
+	for _, tc := range treasureChests {
+		monthlySums[tc.Id] = 0
+	}
+	for _, t := range transactionsRecurring {
+		if t.TreasureChestId != nil && t.Value > 0 && t.IntervalMonths > 0 {
+			monthlySums[*t.TreasureChestId] += t.Value / t.IntervalMonths
+		}
+	}
+	return monthlySums
+}

service/transaction_recurring.go

@@ -29,6 +29,7 @@ var (
 type TransactionRecurring interface {
 	Add(user *types.User, transactionRecurring types.TransactionRecurringInput) (*types.TransactionRecurring, error)
 	Update(user *types.User, transactionRecurring types.TransactionRecurringInput) (*types.TransactionRecurring, error)
+	GetAll(user *types.User) ([]*types.TransactionRecurring, error)
 	GetAllByAccount(user *types.User, accountId string) ([]*types.TransactionRecurring, error)
 	GetAllByTreasureChest(user *types.User, treasureChestId string) ([]*types.TransactionRecurring, error)
 	Delete(user *types.User, id string) error
@@ -158,6 +159,27 @@ func (s TransactionRecurringImpl) Update(
 	return transactionRecurring, nil
 }
 
+func (s TransactionRecurringImpl) GetAll(user *types.User) ([]*types.TransactionRecurring, error) {
+	transactionRecurringMetric.WithLabelValues("get_all_by_account").Inc()
+	if user == nil {
+		return nil, ErrUnauthorized
+	}
+
+	transactionRecurrings := make([]*types.TransactionRecurring, 0)
+	err := s.db.Select(&transactionRecurrings, `
+		SELECT * 
+		FROM transaction_recurring 
+		WHERE user_id = ? 
+		ORDER BY created_at DESC`,
+		user.Id)
+	err = db.TransformAndLogDbError("transactionRecurring GetAll", nil, err)
+	if err != nil {
+		return nil, err
+	}
+
+	return transactionRecurrings, nil
+}
+
 func (s TransactionRecurringImpl) GetAllByAccount(user *types.User, accountId string) ([]*types.TransactionRecurring, error) {
 	transactionRecurringMetric.WithLabelValues("get_all_by_account").Inc()
 	if user == nil {

template/treasurechest/treasure_chest.templ

@@ -5,7 +5,7 @@ import "spend-sparrow/template/svg"
 import "spend-sparrow/types"
 import "github.com/google/uuid"
 
-templ TreasureChest(treasureChests []*types.TreasureChest) {
+templ TreasureChest(treasureChests []*types.TreasureChest, monthlySums map[uuid.UUID]int64) {
 	<div class="max-w-6xl mt-10 mx-auto">
 		<button
 			hx-get="/treasurechest/new"
@@ -18,7 +18,7 @@ templ TreasureChest(treasureChests []*types.TreasureChest) {
 		</button>
 		<div id="treasurechest-items" class="my-6 flex flex-col">
 			for _, treasureChest := range treasureChests {
-				@TreasureChestItem(treasureChest)
+				@TreasureChestItem(treasureChest, monthlySums)
 			}
 		</div>
 	</div>
@@ -114,7 +114,7 @@ templ EditTreasureChest(treasureChest *types.TreasureChest, parents []*types.Tre
 	</div>
 }
 
-templ TreasureChestItem(treasureChest *types.TreasureChest) {
+templ TreasureChestItem(treasureChest *types.TreasureChest, monthlySums map[uuid.UUID]int64) {
 	{{
 	var indentation string
 	viewTransactions := ""
@@ -128,11 +128,16 @@ templ TreasureChestItem(treasureChest *types.TreasureChest) {
 	<div id={ "treasurechest-" + treasureChest.Id.String() } class={ "border-1 border-gray-300 p-4 bg-gray-50 rounded-lg" + indentation }>
 		<div class="text-xl flex justify-end items-center gap-4">
 			<p class="mr-auto">{ treasureChest.Name }</p>
+			<p class="mr-20 text-gray-600">
+				if treasureChest.ParentId != nil {
+					+ { displayBalance(monthlySums[treasureChest.Id]) } <span class="text-gray-500 text-sm">&nbsp;per month</span>
+				}
+			</p>
 			if treasureChest.ParentId != nil {
 				if treasureChest.CurrentBalance < 0 {
-					<p class="mr-20 text-red-700">{ displayBalance(treasureChest.CurrentBalance) }</p>
+					<p class="mr-20 min-w-20 text-right text-red-700">{ displayBalance(treasureChest.CurrentBalance) }</p>
 				} else {
-					<p class="mr-20 text-green-700">{ displayBalance(treasureChest.CurrentBalance) }</p>
+					<p class="mr-20 min-w-20 text-right text-green-700">{ displayBalance(treasureChest.CurrentBalance) }</p>
 				}
 			}
 			<a