backend/api_test.go

@@ -361,10 +361,6 @@ func TestGetTaskWhenNoTasks(t *testing.T) {
 	result.Length().IsEqual(0)
 }
 
-func createTestTask(e *httpexpect.Expect) int {
-	return createTestTaskWithAmount(e, 100)
-}
-
 func createTestTaskWithAmount(e *httpexpect.Expect, amount int) int {
 	requestBody := map[string]interface{}{
 		"name":   "Test Task",
@@ -567,7 +563,8 @@ func TestCompleteTask(t *testing.T) {
 
 	// Verify the task is marked as completed
 	e.GET("/task/" + strconv.Itoa(taskId)).Expect().Status(404)
-	// Verify the allowances are updated
+
+	// Verify the allowances are updated for user 1
 	allowances := e.GET("/user/1/allowance").Expect().Status(200).JSON().Array()
 	allowances.Length().IsEqual(3)
 	allowances.Value(0).Object().Value("id").Number().IsEqual(0)
@@ -576,6 +573,153 @@ func TestCompleteTask(t *testing.T) {
 	allowances.Value(1).Object().Value("progress").Number().IsEqual(50)
 	allowances.Value(2).Object().Value("id").Number().IsEqual(2)
 	allowances.Value(2).Object().Value("progress").Number().IsEqual(25)
+
+	// And also for user 2
+	allowances = e.GET("/user/2/allowance").Expect().Status(200).JSON().Array()
+	allowances.Length().IsEqual(1)
+	allowances.Value(0).Object().Value("id").Number().IsEqual(0)
+	allowances.Value(0).Object().Value("progress").Number().IsEqual(101)
+
+	for userId := 1; userId <= 2; userId++ {
+		userIdStr := strconv.Itoa(userId)
+		// Ensure the history got updated
+		history := e.GET("/user/" + userIdStr + "/history").Expect().Status(200).JSON().Array()
+		history.Length().IsEqual(1)
+		history.Value(0).Object().Value("allowance").Number().IsEqual(101)
+		history.Value(0).Object().Value("timestamp").String().AsDateTime().InRange(getDelta(time.Now(), 2.0))
+	}
+}
+
+func TestCompleteTaskAllowanceWeightsSumTo0(t *testing.T) {
+	e := startServer(t)
+	taskId := createTestTaskWithAmount(e, 101)
+
+	e.GET("/tasks").Expect().Status(200).JSON().Array().Length().IsEqual(1)
+
+	// Update rest allowance
+	e.PUT("/user/1/allowance/0").WithJSON(UpdateAllowanceRequest{
+		Weight: 0,
+	}).Expect().Status(200)
+	// Create an allowance goal
+	createTestAllowance(e, "Test Allowance 1", 1000, 0)
+
+	// Complete the task
+	e.POST("/task/" + strconv.Itoa(taskId) + "/complete").Expect().Status(200)
+
+	// Verify the task is marked as completed
+	e.GET("/task/" + strconv.Itoa(taskId)).Expect().Status(404)
+
+	// Verify the allowances are updated for user 1
+	allowances := e.GET("/user/1/allowance").Expect().Status(200).JSON().Array()
+	allowances.Length().IsEqual(2)
+	allowances.Value(0).Object().Value("id").Number().IsEqual(0)
+	allowances.Value(0).Object().Value("progress").Number().IsEqual(101)
+	allowances.Value(1).Object().Value("id").Number().IsEqual(1)
+	allowances.Value(1).Object().Value("progress").Number().IsEqual(0)
+}
+
+func TestCompleteTaskInvalidId(t *testing.T) {
+	e := startServer(t)
+	e.POST("/task/999/complete").Expect().Status(404)
+}
+
+func TestCompleteTaskAllowanceWeightsSumTo0(t *testing.T) {
+	e := startServer(t)
+	taskId := createTestTaskWithAmount(e, 101)
+
+	e.GET("/tasks").Expect().Status(200).JSON().Array().Length().IsEqual(1)
+
+	// Update rest allowance
+	e.PUT("/user/1/allowance/0").WithJSON(UpdateAllowanceRequest{
+		Weight: 0,
+	}).Expect().Status(200)
+	// Create two allowance goals
+	e.POST("/user/1/allowance").WithJSON(CreateAllowanceRequest{
+		Name:   "Test Allowance 1",
+		Target: 1000,
+		Weight: 0,
+	}).Expect().Status(201)
+
+	// Complete the task
+	e.POST("/task/" + strconv.Itoa(taskId) + "/complete").Expect().Status(200)
+
+	// Verify the task is marked as completed
+	e.GET("/task/" + strconv.Itoa(taskId)).Expect().Status(404)
+
+	// Verify the allowances are updated for user 1
+	allowances := e.GET("/user/1/allowance").Expect().Status(200).JSON().Array()
+	allowances.Length().IsEqual(2)
+	allowances.Value(0).Object().Value("id").Number().IsEqual(0)
+	allowances.Value(0).Object().Value("progress").Number().IsEqual(101)
+	allowances.Value(1).Object().Value("id").Number().IsEqual(1)
+	allowances.Value(1).Object().Value("progress").Number().IsEqual(0)
+}
+
+func TestCompleteAllowance(t *testing.T) {
+	e := startServer(t)
+	createTestTaskWithAmount(e, 100)
+	createTestAllowance(e, "Test Allowance 1", 100, 50)
+
+	// Complete the task
+	e.POST("/task/1/complete").Expect().Status(200)
+
+	// Complete allowance goal
+	e.POST("/user/1/allowance/1/complete").Expect().Status(200)
+
+	// Verify the allowance no longer exists
+	e.GET("/user/1/allowance/1").Expect().Status(404)
+
+	// Verify history is updated
+	history := e.GET("/user/1/history").Expect().Status(200).JSON().Array()
+	history.Length().IsEqual(2)
+	history.Value(0).Object().Value("allowance").Number().IsEqual(100)
+	history.Value(0).Object().Value("timestamp").String().AsDateTime().InRange(getDelta(time.Now(), 2.0))
+	history.Value(1).Object().Value("allowance").Number().IsEqual(-100)
+	history.Value(1).Object().Value("timestamp").String().AsDateTime().InRange(getDelta(time.Now(), 2.0))
+}
+
+func TestCompleteAllowanceInvalidUserId(t *testing.T) {
+	e := startServer(t)
+	e.POST("/user/999/allowance/1/complete").Expect().Status(404)
+}
+
+func TestCompleteAllowanceInvalidAllowanceId(t *testing.T) {
+	e := startServer(t)
+	e.POST("/user/1/allowance/999/complete").Expect().Status(404)
+}
+
+func TestPutBulkAllowance(t *testing.T) {
+	e := startServer(t)
+
+	createTestAllowance(e, "Test Allowance 1", 1000, 1)
+	createTestAllowance(e, "Test Allowance 2", 1000, 2)
+
+	// Bulk edit
+	request := []map[string]interface{}{
+		{
+			"id":     1,
+			"weight": 5,
+		},
+		{
+			"id":     0,
+			"weight": 99,
+		},
+		{
+			"id":     2,
+			"weight": 10,
+		},
+	}
+	e.PUT("/user/1/allowance").WithJSON(request).Expect().Status(200)
+
+	// Verify the allowances are updated
+	allowances := e.GET("/user/1/allowance").Expect().Status(200).JSON().Array()
+	allowances.Length().IsEqual(3)
+	allowances.Value(0).Object().Value("id").Number().IsEqual(0)
+	allowances.Value(0).Object().Value("weight").Number().IsEqual(99)
+	allowances.Value(1).Object().Value("id").Number().IsEqual(1)
+	allowances.Value(1).Object().Value("weight").Number().IsEqual(5)
+	allowances.Value(2).Object().Value("id").Number().IsEqual(2)
+	allowances.Value(2).Object().Value("weight").Number().IsEqual(10)
 }
 
 func getDelta(base time.Time, delta float64) (time.Time, time.Time) {
@@ -583,3 +727,15 @@ func getDelta(base time.Time, delta float64) (time.Time, time.Time) {
 	end := base.Add(time.Duration(delta) * time.Second)
 	return start, end
 }
+
+func createTestAllowance(e *httpexpect.Expect, name string, target int, weight float64) {
+	e.POST("/user/1/allowance").WithJSON(CreateAllowanceRequest{
+		Name:   name,
+		Target: target,
+		Weight: weight,
+	}).Expect().Status(201)
+}
+
+func createTestTask(e *httpexpect.Expect) int {
+	return createTestTaskWithAmount(e, 100)
+}

backend/db.go

@@ -175,6 +175,39 @@ func (db *Db) DeleteAllowance(userId int, allowanceId int) error {
 	return nil
 }
 
+func (db *Db) CompleteAllowance(userId int, allowanceId int) error {
+	tx, err := db.db.Begin()
+	if err != nil {
+		return err
+	}
+	defer tx.MustRollback()
+
+	// Get the cost of the allowance
+	var cost int
+	err = tx.Query("select balance from allowances where id = ? and user_id = ?").
+		Bind(allowanceId, userId).ScanSingle(&cost)
+	if err != nil {
+		return err
+	}
+
+	// Delete the allowance
+	err = tx.Query("delete from allowances where id = ? and user_id = ?").
+		Bind(allowanceId, userId).Exec()
+	if err != nil {
+		return err
+	}
+
+	// Add a history entry
+	err = tx.Query("insert into history (user_id, timestamp, amount) values (?, ?, ?)").
+		Bind(userId, time.Now().Unix(), -cost).
+		Exec()
+	if err != nil {
+		return err
+	}
+
+	return tx.Commit()
+}
+
 func (db *Db) UpdateUserAllowance(userId int, allowance *UpdateAllowanceRequest) error {
 	tx, err := db.db.Begin()
 	if err != nil {
@@ -218,6 +251,31 @@ func (db *Db) UpdateAllowance(userId int, allowanceId int, allowance *UpdateAllo
 	return tx.Commit()
 }
 
+func (db *Db) BulkUpdateAllowance(userId int, allowances []BulkUpdateAllowanceRequest) error {
+	tx, err := db.db.Begin()
+	if err != nil {
+		return err
+	}
+	defer tx.MustRollback()
+
+	for _, allowance := range allowances {
+		if allowance.ID == 0 {
+			err = tx.Query("update users set weight=? where id = ?").
+				Bind(allowance.Weight, userId).
+				Exec()
+		} else {
+			err = tx.Query("update allowances set weight=? where id = ? and user_id = ?").
+				Bind(allowance.Weight, allowance.ID, userId).
+				Exec()
+		}
+		if err != nil {
+			return err
+		}
+	}
+
+	return tx.Commit()
+}
+
 func (db *Db) CreateTask(task *CreateTaskRequest) (int, error) {
 	tx, err := db.db.Begin()
 	if err != nil {
@@ -341,32 +399,46 @@ func (db *Db) CompleteTask(taskId int) error {
 			return err
 		}
 
+		// Add the history entry
+		err = tx.Query("insert into history (user_id, timestamp, amount) values (?, ?, ?)").
+			Bind(userId, time.Now().Unix(), reward).
+			Exec()
+		if err != nil {
+			return err
+		}
+
+		// Calculate the sums of all weights
 		var sumOfWeights float64
 		err = tx.Query("select sum(weight) from allowances where user_id = ? and weight > 0").Bind(userId).ScanSingle(&sumOfWeights)
 		sumOfWeights += userWeight
 
-		for allowanceRow := range tx.Query("select id, weight from allowances where user_id = ? and weight > 0").Bind(userId).Range(&err) {
-			var allowanceId int
-			var allowanceWeight float64
-			err = allowanceRow.Scan(&allowanceId, &allowanceWeight)
-			if err != nil {
-				return err
-			}
+		remainingReward := reward
 
-			// Calculate the amount to add to the allowance
-			amount := int((allowanceWeight / sumOfWeights) * float64(reward))
-			sumOfWeights -= allowanceWeight
-			err = tx.Query("update allowances set balance = balance + ? where id = ? and user_id = ?").
-				Bind(amount, allowanceId, userId).Exec()
-			if err != nil {
-				return err
+		if sumOfWeights > 0 {
+			// Distribute the reward to the allowances
+			for allowanceRow := range tx.Query("select id, weight from allowances where user_id = ? and weight > 0").Bind(userId).Range(&err) {
+				var allowanceId int
+				var allowanceWeight float64
+				err = allowanceRow.Scan(&allowanceId, &allowanceWeight)
+				if err != nil {
+					return err
+				}
+
+				// Calculate the amount to add to the allowance
+				amount := int((allowanceWeight / sumOfWeights) * float64(remainingReward))
+				sumOfWeights -= allowanceWeight
+				err = tx.Query("update allowances set balance = balance + ? where id = ? and user_id = ?").
+					Bind(amount, allowanceId, userId).Exec()
+				if err != nil {
+					return err
+				}
+				remainingReward -= amount
 			}
-			reward -= amount
 		}
 
 		// Add the remaining reward to the user
 		err = tx.Query("update users set balance = balance + ? where id = ?").
-			Bind(reward, userId).Exec()
+			Bind(remainingReward, userId).Exec()
 		if err != nil {
 			return err
 		}

backend/dto.go

@@ -31,23 +31,28 @@ type Task struct {
 }
 
 type Allowance struct {
-	ID       int    `json:"id"`
-	Name     string `json:"name"`
-	Target   int    `json:"target"`
-	Progress int    `json:"progress"`
-	Weight   int    `json:"weight"`
+	ID       int     `json:"id"`
+	Name     string  `json:"name"`
+	Target   int     `json:"target"`
+	Progress int     `json:"progress"`
+	Weight   float64 `json:"weight"`
 }
 
 type CreateAllowanceRequest struct {
-	Name   string `json:"name"`
-	Target int    `json:"target"`
-	Weight int    `json:"weight"`
+	Name   string  `json:"name"`
+	Target int     `json:"target"`
+	Weight float64 `json:"weight"`
 }
 
 type UpdateAllowanceRequest struct {
-	Name   string `json:"name"`
-	Target int    `json:"target"`
-	Weight int    `json:"weight"`
+	Name   string  `json:"name"`
+	Target int     `json:"target"`
+	Weight float64 `json:"weight"`
+}
+
+type BulkUpdateAllowanceRequest struct {
+	ID     int     `json:"id"`
+	Weight float64 `json:"weight"`
 }
 
 type CreateGoalResponse struct {

backend/main.go

@@ -189,6 +189,44 @@ func createUserAllowance(c *gin.Context) {
 	c.IndentedJSON(http.StatusCreated, response)
 }
 
+func bulkPutUserAllowance(c *gin.Context) {
+	userIdStr := c.Param("userId")
+
+	userId, err := strconv.Atoi(userIdStr)
+	if err != nil {
+		log.Printf(ErrInvalidUserID+": %v", err)
+		c.JSON(http.StatusBadRequest, gin.H{"error": ErrInvalidUserID})
+		return
+	}
+
+	exists, err := db.UserExists(userId)
+	if err != nil {
+		log.Printf(ErrCheckingUserExist, err)
+		c.JSON(http.StatusInternalServerError, gin.H{"error": ErrInternalServerError})
+		return
+	}
+	if !exists {
+		c.JSON(http.StatusNotFound, gin.H{"error": ErrUserNotFound})
+		return
+	}
+
+	var allowanceRequest []BulkUpdateAllowanceRequest
+	if err := c.ShouldBindJSON(&allowanceRequest); err != nil {
+		log.Printf("Error parsing request body: %v", err)
+		c.JSON(http.StatusBadRequest, gin.H{"error": "Invalid request body"})
+		return
+	}
+
+	err = db.BulkUpdateAllowance(userId, allowanceRequest)
+	if err != nil {
+		log.Printf("Error updating allowance: %v", err)
+		c.JSON(http.StatusInternalServerError, gin.H{"error": ErrInternalServerError})
+		return
+	}
+
+	c.IndentedJSON(http.StatusOK, gin.H{"message": "Allowance updated successfully"})
+}
+
 func deleteUserAllowance(c *gin.Context) {
 	userIdStr := c.Param("userId")
 	allowanceIdStr := c.Param("allowanceId")
@@ -287,6 +325,49 @@ func putUserAllowance(c *gin.Context) {
 	c.IndentedJSON(http.StatusOK, gin.H{"message": "Allowance updated successfully"})
 }
 
+func completeAllowance(c *gin.Context) {
+	userIdStr := c.Param("userId")
+	allowanceIdStr := c.Param("allowanceId")
+
+	userId, err := strconv.Atoi(userIdStr)
+	if err != nil {
+		log.Printf(ErrInvalidUserID+": %v", err)
+		c.JSON(http.StatusBadRequest, gin.H{"error": ErrInvalidUserID})
+		return
+	}
+
+	allowanceId, err := strconv.Atoi(allowanceIdStr)
+	if err != nil {
+		log.Printf("Invalid allowance ID: %v", err)
+		c.JSON(http.StatusBadRequest, gin.H{"error": "Invalid allowance ID"})
+		return
+	}
+
+	exists, err := db.UserExists(userId)
+	if err != nil {
+		log.Printf(ErrCheckingUserExist, err)
+		c.JSON(http.StatusInternalServerError, gin.H{"error": ErrInternalServerError})
+		return
+	}
+	if !exists {
+		c.JSON(http.StatusNotFound, gin.H{"error": ErrUserNotFound})
+		return
+	}
+
+	err = db.CompleteAllowance(userId, allowanceId)
+	if errors.Is(err, mysqlite.ErrNoRows) {
+		c.JSON(http.StatusNotFound, gin.H{"error": "Allowance not found"})
+		return
+	}
+	if err != nil {
+		log.Printf("Error completing allowance: %v", err)
+		c.JSON(http.StatusInternalServerError, gin.H{"error": ErrInternalServerError})
+		return
+	}
+
+	c.IndentedJSON(http.StatusOK, gin.H{"message": "Allowance completed successfully"})
+}
+
 func createTask(c *gin.Context) {
 	var taskRequest CreateTaskRequest
 	if err := c.ShouldBindJSON(&taskRequest); err != nil {
@@ -517,9 +598,11 @@ func start(ctx context.Context, config *ServerConfig) {
 	router.GET("/api/user/:userId/history", getHistory)
 	router.GET("/api/user/:userId/allowance", getUserAllowance)
 	router.POST("/api/user/:userId/allowance", createUserAllowance)
+	router.PUT("/api/user/:userId/allowance", bulkPutUserAllowance)
 	router.GET("/api/user/:userId/allowance/:allowanceId", getUserAllowanceById)
 	router.DELETE("/api/user/:userId/allowance/:allowanceId", deleteUserAllowance)
 	router.PUT("/api/user/:userId/allowance/:allowanceId", putUserAllowance)
+	router.POST("/api/user/:userId/allowance/:allowanceId/complete", completeAllowance)
 	router.POST("/api/tasks", createTask)
 	router.GET("/api/tasks", getTasks)
 	router.GET("/api/task/:taskId", getTask)
@@ -560,5 +643,9 @@ func main() {
 		Datasource: os.Getenv("DB_PATH"),
 		Addr:       ":8080",
 	}
+	if config.Datasource == "" {
+		config.Datasource = "allowance_planner.db3"
+		log.Printf("Warning: No DB_PATH set, using default of %s", config.Datasource)
+	}
 	start(context.Background(), &config)
 }

backend/migrations/1_initial.sql

@@ -2,7 +2,7 @@ create table users
 (
     id   integer primary key,
     name text not null,
-    weight real not null default 1.0,
+    weight real not null default 0.0,
     balance integer not null default 0
 ) strict;