Initial work towards get allowance endpoint

backend/api_test.go

@@ -5,6 +5,7 @@ import (
 	"github.com/gavv/httpexpect/v2"
 	"strconv"
 	"testing"
+	"time"
 )
 
 const (
@@ -35,6 +36,7 @@ func TestGetUser(t *testing.T) {
 	result := e.GET("/user/1").Expect().Status(200).JSON().Object()
 	result.Value("name").IsEqual("Seeseemelk")
 	result.Value("id").IsEqual(1)
+	result.Value("allowance").IsEqual(0)
 }
 
 func TestGetUserUnknown(t *testing.T) {
@@ -403,3 +405,18 @@ func TestPostAllowanceInvalidUserId(t *testing.T) {
 	e.POST("/user/999/allowance").WithJSON(PostAllowance{Allowance: 100}).Expect().
 		Status(404)
 }
+
+func TestGetAllowance(t *testing.T) {
+	e := startServer(t)
+
+	e.POST("/user/1/allowance").WithJSON(PostAllowance{Allowance: 100}).Expect().Status(200)
+	e.POST("/user/1/allowance").WithJSON(PostAllowance{Allowance: 20}).Expect().Status(200)
+	e.POST("/user/1/allowance").WithJSON(PostAllowance{Allowance: -10}).Expect().Status(200)
+
+	response := e.GET("/user/1/allowance").Expect().Status(200).JSON().Array()
+	response.Length().IsEqual(3)
+	response.Value(0).Object().Value("allowance").Number().IsEqual(100)
+	response.Value(0).Object().Value("timestamp").Number().NotEqual(0).InDelta(float64(time.Now().Unix()), 2.0)
+	response.Value(1).Object().Value("allowance").Number().IsEqual(20)
+	response.Value(2).Object().Value("allowance").Number().IsEqual(-10)
+}

backend/db.go

@@ -243,7 +243,7 @@ func (db *Db) AddAllowance(userId int, allowance *PostAllowance) error {
 	}
 	defer tx.MustRollback()
 
-	err = tx.Query("insert into history (user_id, date, amount) values (?, ?, ?)").
+	err = tx.Query("insert into history (user_id, timestamp, amount) values (?, ?, ?)").
 		Bind(userId, time.Now().Unix(), allowance.Allowance).
 		Exec()
 	if err != nil {
@@ -251,3 +251,22 @@ func (db *Db) AddAllowance(userId int, allowance *PostAllowance) error {
 	}
 	return tx.Commit()
 }
+
+func (db *Db) GetHistory(userId int) ([]Allowance, error) {
+	history := make([]Allowance, 0)
+	var err error
+
+	for row := range db.db.Query("select amount from history where user_id = ? order by `timestamp` desc").
+		Bind(userId).Range(&err) {
+		allowance := Allowance{}
+		err = row.Scan(&allowance.Allowance)
+		if err != nil {
+			return nil, err
+		}
+		history = append(history, allowance)
+	}
+	if err != nil {
+		return nil, err
+	}
+	return history, nil
+}

backend/dto.go

@@ -1,5 +1,7 @@
 package main
 
+import "time"
+
 type User struct {
 	ID   int    `json:"id"`
 	Name string `json:"name"`
@@ -13,7 +15,7 @@ type UserWithAllowance struct {
 
 type Allowance struct {
 	Allowance int `json:"allowance"`
-	Goals     []Goal `json:"goals"`
+	Timestamp time.Time
 }
 
 type PostAllowance struct {

backend/main.go

@@ -185,7 +185,7 @@ func deleteUserGoal(c *gin.Context) {
 		return
 	}
 
-	c.JSON(http.StatusOK, gin.H{"message": "Goal deleted successfully"})
+	c.IndentedJSON(http.StatusOK, gin.H{"message": "Goal deleted successfully"})
 }
 
 func createTask(c *gin.Context) {
@@ -233,7 +233,7 @@ func getTasks(c *gin.Context) {
 		c.JSON(http.StatusInternalServerError, gin.H{"error": ErrInternalServerError})
 		return
 	}
-	c.JSON(http.StatusOK, &response)
+	c.IndentedJSON(http.StatusOK, &response)
 }
 
 func getTask(c *gin.Context) {
@@ -325,8 +325,26 @@ func postAllowance(c *gin.Context) {
 	c.JSON(http.StatusOK, gin.H{"message": "Allowance updated successfully"})
 }
 
+func getAllowance(c *gin.Context) {
+	userIdStr := c.Param("userId")
+	userId, err := strconv.Atoi(userIdStr)
+	if err != nil {
+		log.Printf("Invalid user ID: %v", err)
+		c.JSON(http.StatusBadRequest, gin.H{"error": "Invalid user ID"})
+		return
+	}
+
+	history, err := db.GetHistory(userId)
+	if err != nil {
+		log.Printf("Error getting history: %v", err)
+		c.JSON(http.StatusInternalServerError, gin.H{"error": ErrInternalServerError})
+		return
+	}
+
+	c.IndentedJSON(http.StatusOK, history)
+}
+
 /*
-*
 Initialises the database, and then starts the server.
 If the context gets cancelled, the server is shutdown and the database is closed.
 */
@@ -337,6 +355,8 @@ func start(ctx context.Context, config *ServerConfig) {
 	router := gin.Default()
 	router.GET("/api/users", getUsers)
 	router.GET("/api/user/:userId", getUser)
+	router.POST("/api/user/:userId/allowance", postAllowance)
+	//router.GET("/api/user/:userId/allowance", getAllowance)
 	router.GET("/api/user/:userId/goals", getUserGoals)
 	router.POST("/api/user/:userId/goals", createUserGoal)
 	router.DELETE("/api/user/:userId/goal/:goalId", deleteUserGoal)
@@ -344,7 +364,6 @@ func start(ctx context.Context, config *ServerConfig) {
 	router.GET("/api/tasks", getTasks)
 	router.GET("/api/task/:taskId", getTask)
 	router.PUT("/api/task/:taskId", putTask)
-	router.POST("/api/user/:userId/allowance", postAllowance)
 
 	srv := &http.Server{
 		Addr:    config.Addr,

backend/migrations/1_initial.sql

@@ -8,7 +8,7 @@ create table history
 (
     id integer primary key,
     user_id integer not null,
-    date date not null,
+    timestamp date not null,
     amount integer not null
 );
 

common/api.yaml

@@ -60,6 +60,32 @@ paths:
           description: The users could not be found.
 
   /user/{userId}/allowance:
+    get:
+      summary: Gets the allowance history of a user
+      parameters:
+        - in: path
+          name: userId
+          description: The user ID
+          required: true
+          schema:
+            type: integer
+      responses:
+        200:
+          description: Information about the allowance history of the user
+          content:
+            application/json:
+              schema:
+                type: array
+                items:
+                  type: object
+                  properties:
+                    date:
+                      type: string
+                      format: date-time
+                      description: The date of the allowance or expense.
+                    amount:
+                      type: integer
+                      description: The amount of the allowance to be added, in cents. A negative value
     post:
       summary: Updates the allowance of a user
       parameters:
@@ -88,34 +114,6 @@ paths:
         400:
           description: The allowance could not be updated.
 
-  /user/{userId}/history:
-    get:
-      summary: Gets the allowance history of a user
-      parameters:
-        - in: path
-          name: userId
-          description: The user ID
-          required: true
-          schema:
-            type: integer
-      responses:
-        200:
-          description: Information about the allowance history of the user
-          content:
-            application/json:
-              schema:
-                type: array
-                items:
-                  type: object
-                  properties:
-                    date:
-                      type: string
-                      format: date-time
-                      description: The date of the allowance or expense.
-                    amount:
-                      type: integer
-                      description: The amount of the allowance to be added, in cents. A negative value
-
   /user/{userId}/goals:
     get:
       summary: Gets all goals