.golangci.yaml

@@ -24,6 +24,8 @@ linters:
     - cyclop
     - contextcheck
     - bodyclose # i don't care in the tests, the implementation itself doesn't do http requests
+    - wsl_v5
+    - noinlineerr
   settings:
     nestif:
       min-complexity: 6

internal/default.go

@@ -121,7 +121,7 @@ func createHandlerWithServices(ctx context.Context, d *sqlx.DB, serverSettings *
 
 	render := handler.NewRender()
 	indexHandler := handler.NewIndex(render, clockService)
-	dashboardHandler := handler.NewDashboard(render, dashboardService)
+	dashboardHandler := handler.NewDashboard(render, dashboardService, treasureChestService)
 	authHandler := handler.NewAuth(authService, render)
 	accountHandler := handler.NewAccount(accountService, render)
 	treasureChestHandler := handler.NewTreasureChest(treasureChestService, transactionRecurringService, render)

internal/handler/dashboard.go

@@ -9,6 +9,8 @@ import (
 	"spend-sparrow/internal/template/dashboard"
 	"spend-sparrow/internal/utils"
 	"time"
+
+	"github.com/google/uuid"
 )
 
 type Dashboard interface {
@@ -16,14 +18,16 @@ type Dashboard interface {
 }
 
 type DashboardImpl struct {
-	r *Render
-	d *service.Dashboard
+	r             *Render
+	d             *service.Dashboard
+	treasureChest service.TreasureChest
 }
 
-func NewDashboard(r *Render, d *service.Dashboard) Dashboard {
+func NewDashboard(r *Render, d *service.Dashboard, treasureChest service.TreasureChest) Dashboard {
 	return DashboardImpl{
-		r: r,
-		d: d,
+		r:             r,
+		d:             d,
+		treasureChest: treasureChest,
 	}
 }
 
@@ -31,6 +35,7 @@ func (handler DashboardImpl) Handle(router *http.ServeMux) {
 	router.Handle("GET /dashboard", handler.handleDashboard())
 	router.Handle("GET /dashboard/main-chart", handler.handleDashboardMainChart())
 	router.Handle("GET /dashboard/treasure-chests", handler.handleDashboardTreasureChests())
+	router.Handle("GET /dashboard/treasure-chest", handler.handleDashboardTreasureChest())
 }
 
 func (handler DashboardImpl) handleDashboard() http.HandlerFunc {
@@ -43,7 +48,13 @@ func (handler DashboardImpl) handleDashboard() http.HandlerFunc {
 			return
 		}
 
-		comp := dashboard.Dashboard()
+		treasureChests, err := handler.treasureChest.GetAll(r.Context(), user)
+		if err != nil {
+			handleError(w, r, err)
+			return
+		}
+
+		comp := dashboard.Dashboard(treasureChests)
 		handler.r.RenderLayoutWithStatus(r, w, comp, user, http.StatusOK)
 	}
 }
@@ -70,6 +81,7 @@ func (handler DashboardImpl) handleDashboardMainChart() http.HandlerFunc {
 			account += fmt.Sprintf(`["%s",%.2f],`, entry.Day.Format(time.RFC3339), float64(entry.Value)/100)
 			savings += fmt.Sprintf(`["%s",%.2f],`, entry.Day.Format(time.RFC3339), float64(entry.Savings)/100)
 		}
+
 		account = account[:len(account)-1]
 		savings = savings[:len(savings)-1]
 
@@ -126,8 +138,10 @@ func (handler DashboardImpl) handleDashboardTreasureChests() http.HandlerFunc {
 		w.WriteHeader(http.StatusOK)
 
 		data := ""
+
 		for _, item := range treeList {
 			children := ""
+
 			for _, child := range item.Children {
 				if child.Value < 0 {
 					children += fmt.Sprintf(`{"name":"%s\n%.2f €","value":%d},`, child.Name, float64(child.Value)/100, -child.Value)
@@ -135,9 +149,11 @@ func (handler DashboardImpl) handleDashboardTreasureChests() http.HandlerFunc {
 					children += fmt.Sprintf(`{"name":"%s\n%.2f €","value":%d},`, child.Name, float64(child.Value)/100, child.Value)
 				}
 			}
+
 			children = children[:len(children)-1]
 			data += fmt.Sprintf(`{"name":"%s","children":[%s]},`, item.Name, children)
 		}
+
 		data = data[:len(data)-1]
 
 		_, err = fmt.Fprintf(w, `
@@ -159,3 +175,73 @@ func (handler DashboardImpl) handleDashboardTreasureChests() http.HandlerFunc {
 		}
 	}
 }
+
+func (handler DashboardImpl) handleDashboardTreasureChest() http.HandlerFunc {
+	return func(w http.ResponseWriter, r *http.Request) {
+		updateSpan(r)
+
+		user := middleware.GetUser(r)
+
+		var treasureChestId *uuid.UUID
+
+		treasureChestStr := r.URL.Query().Get("id")
+		if treasureChestStr != "" {
+			id, err := uuid.Parse(treasureChestStr)
+			if err != nil {
+				handleError(w, r, fmt.Errorf("could not parse treasure chest: %w", service.ErrBadRequest))
+				return
+			}
+
+			treasureChestId = &id
+		}
+
+		series, err := handler.d.TreasureChest(r.Context(), user, treasureChestId)
+		if err != nil {
+			handleError(w, r, err)
+			return
+		}
+
+		w.Header().Set("Content-Type", "application/json")
+		w.WriteHeader(http.StatusOK)
+
+		value := ""
+
+		for _, entry := range series {
+			value += fmt.Sprintf(`["%s",%.2f],`, entry.Day.Format(time.RFC3339), float64(entry.Value)/100)
+		}
+
+		if len(value) > 0 {
+			value = value[:len(value)-1]
+		}
+
+		_, err = fmt.Fprintf(w, `
+			{
+				"aria": {
+					"enabled": true
+				},
+				"tooltip": {
+					"trigger": "axis",
+					"formatter": "<updated by client>"
+				},
+				"xAxis": {
+					"type": "time"
+				},
+				"yAxis": {
+					"axisLabel": {
+						"formatter": "{value} €"
+					}
+				},
+				"series": [
+					{
+						"data": [%s],
+						"type": "line",
+						"name": "Treasure Chest Value"
+					}
+				]
+			}
+		`, value)
+		if err != nil {
+			slog.InfoContext(r.Context(), "could not write response", "err", err)
+		}
+	}
+}

internal/handler/middleware/cross_site_request_forgery.go

@@ -10,6 +10,7 @@ import (
 
 type csrfResponseWriter struct {
 	http.ResponseWriter
+
 	csrfToken string
 }
 

internal/handler/middleware/logger.go

@@ -8,6 +8,7 @@ import (
 
 type WrappedWriter struct {
 	http.ResponseWriter
+
 	StatusCode int
 }
 

internal/service/dashboard.go

@@ -6,6 +6,7 @@ import (
 	"spend-sparrow/internal/types"
 	"time"
 
+	"github.com/google/uuid"
 	"github.com/jmoiron/sqlx"
 )
 
@@ -39,7 +40,9 @@ func (s Dashboard) MainChart(
 	}
 
 	timeEntries := make([]types.DashboardMainChartEntry, 0)
+
 	var lastEntry *types.DashboardMainChartEntry
+
 	for _, t := range transactions {
 		if t.Error != nil {
 			continue
@@ -64,6 +67,7 @@ func (s Dashboard) MainChart(
 		if t.AccountId != nil {
 			lastEntry.Value += t.Value
 		}
+
 		if t.TreasureChestId != nil {
 			lastEntry.Savings += t.Value
 		}
@@ -94,6 +98,7 @@ func (s Dashboard) TreasureChests(
 	treasureChests = sortTreasureChests(treasureChests)
 
 	result := make([]*types.DashboardTreasureChest, 0)
+
 	for _, t := range treasureChests {
 		if t.ParentId == nil {
 			result = append(result, &types.DashboardTreasureChest{
@@ -112,3 +117,59 @@ func (s Dashboard) TreasureChests(
 
 	return result, nil
 }
+
+func (s Dashboard) TreasureChest(
+	ctx context.Context,
+	user *types.User,
+	treausureChestId *uuid.UUID,
+) ([]types.DashboardMainChartEntry, error) {
+	if user == nil {
+		return nil, ErrUnauthorized
+	}
+
+	transactions := make([]types.Transaction, 0)
+	err := s.db.SelectContext(ctx, &transactions, `
+		SELECT *
+		FROM "transaction" 
+		WHERE user_id = ?
+		  AND treasure_chest_id = ?
+		ORDER BY timestamp`, user.Id, treausureChestId)
+	err = db.TransformAndLogDbError(ctx, "dashboard Chart", nil, err)
+	if err != nil {
+		return nil, err
+	}
+
+	timeEntries := make([]types.DashboardMainChartEntry, 0)
+
+	var lastEntry *types.DashboardMainChartEntry
+
+	for _, t := range transactions {
+		if t.Error != nil {
+			continue
+		}
+
+		newDay := t.Timestamp.Truncate(24 * time.Hour)
+		if lastEntry == nil {
+			lastEntry = &types.DashboardMainChartEntry{
+				Day:   newDay,
+				Value: 0,
+			}
+		} else if lastEntry.Day != newDay {
+			timeEntries = append(timeEntries, *lastEntry)
+			lastEntry = &types.DashboardMainChartEntry{
+				Day:   newDay,
+				Value: lastEntry.Value,
+			}
+		}
+
+		if t.TreasureChestId != nil {
+			lastEntry.Value += t.Value
+		}
+	}
+
+	if lastEntry != nil {
+		timeEntries = append(timeEntries, *lastEntry)
+	}
+
+	return timeEntries, nil
+}

internal/template/dashboard/dashboard.templ

@@ -1,8 +1,32 @@
 package dashboard
 
-templ Dashboard() {
+import "spend-sparrow/internal/types"
+
+templ Dashboard(treasureChests []*types.TreasureChest) {
 	<div class="mt-10 h-full">
-		<div id="main-chart" class="h-96"></div>
-		<div id="treasure-chests" class="h-96"></div>
+		<div id="main-chart" class="h-96 mt-10"></div>
+		<div id="treasure-chests" class="h-96 mt-10"></div>
+		<section>
+			<form class="flex items-center justify-end gap-4 mr-40">
+				<label for="treasure-chest">Treasure Chest:</label>
+				<select id="treasure-chest-id" name="treasure-chest-id" class="bg-white input">
+					<option value="">- Select Treasure Chest -</option>
+					for _, parent := range treasureChests {
+						if parent.ParentId == nil {
+							<optgroup label={ parent.Name }>
+								for _, child := range treasureChests {
+									if child.ParentId != nil && *child.ParentId == parent.Id {
+										<option
+											value={ child.Id.String() }
+										>{ child.Name }</option>
+									}
+								}
+							</optgroup>
+						}
+					}
+				</select>
+			</form>
+			<div id="treasure-chest" class="h-96 mt-10"></div>
+		</section>
 	</div>
 }

static/js/dashboard.js

@@ -7,6 +7,9 @@ async function initMainChart() {
 	}
 
 	var myChart = echarts.init(element);
+	window.addEventListener('resize', function() {
+		myChart.resize();
+	});
 
 	try {
 		const response = await fetch("/dashboard/main-chart");
@@ -22,10 +25,7 @@ async function initMainChart() {
 				'Sum of Savings: <span class="font-bold">' + params[1].data[1] + '</span> €'
 		};
 
-		const chart = myChart.setOption(option);
-		window.addEventListener('resize', function() {
-			myChart.resize();
-		});
+		myChart.setOption(option);
 
 		console.log("initialized main-chart");
 	} catch (error) {
@@ -40,6 +40,9 @@ async function initTreasureChests() {
 	}
 
 	var myChart = echarts.init(element);
+	window.addEventListener('resize', function() {
+		myChart.resize();
+	});
 
 	try {
 		const response = await fetch("/dashboard/treasure-chests");
@@ -48,11 +51,7 @@ async function initTreasureChests() {
 		}
 
 		const option = await response.json();
-
-		const chart = myChart.setOption(option);
-		window.addEventListener('resize', function() {
-			myChart.resize();
-		});
+		myChart.setOption(option);
 
 		console.log("initialized treasure-chests");
 	} catch (error) {
@@ -60,5 +59,42 @@ async function initTreasureChests() {
 	}
 }
 
+async function initTreasureChest() {
+	const element = document.getElementById('treasure-chest')
+	if (element === null) {
+		return;
+	}
+
+	var myChart = echarts.init(element);
+	window.addEventListener('resize', function() {
+		myChart.resize();
+	});
+
+
+	const treasureChestSelect = document.getElementById('treasure-chest-id')
+	treasureChestSelect.addEventListener("change", async (e) => {
+		try {
+			const response = await fetch("/dashboard/treasure-chest?id="+e.target.value);
+			if (!response.ok) {
+				throw new Error(`Response status: ${response.status}`);
+			}
+		
+			const option = await response.json();
+			option.tooltip.formatter = function (params) {
+				return new Date(params[0].data[0]).toLocaleString([], { day: 'numeric', month: 'short', year: 'numeric' })  +
+					'<br />' +
+					'Sum of Accounts: <span class="font-bold">' + params[0].data[1] + '</span> €'
+			};
+
+			myChart.setOption(option);
+		} catch (error) {
+			console.error(error.message);
+		}
+	});
+
+	console.log("initialized treasure-chest");
+}
+
 initMainChart();
 initTreasureChests();
+initTreasureChest();