[Backend] PP-44

README.md

@@ -1,3 +1,4 @@
+[![Review Assignment Due Date](https://classroom.github.com/assets/deadline-readme-button-22041afd0340ce965d47ae6ef1cefeee28c7c493a6346c4f15d667ab976d596c.svg)](https://classroom.github.com/a/bzPrOe11)
 # CS3219 Project (PeerPrep) - AY2425S1
 ## Group: Gxx
 

backend/.gitignore

@@ -0,0 +1,3 @@
+.env
+backend.exe
+backend.exe~

backend/controllers/profileController.go

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+package controllers
+
+import (
+	"backend/models"
+	"context"
+	"log"
+	"net/http"
+
+	"github.com/gin-gonic/gin"
+	"go.mongodb.org/mongo-driver/bson"
+)
+
+func GetUserProfile(c *gin.Context) {
+	user_id, exists := c.Get("uid")
+	user := models.User{}
+
+	if !exists {
+		c.JSON(http.StatusInternalServerError, gin.H{"error": "user not found"})
+		return
+	}
+
+	err := userCollection.FindOne(context.TODO(), bson.M{"user_id": user_id}).Decode(&user)
+
+	if err != nil {
+		c.JSON(http.StatusInternalServerError, gin.H{"error": "user not found"})
+		return
+	}
+
+	userToReturn := models.VisibleUser{
+		Username:       user.Username,
+		Email:          user.Email,
+		User_id:        user.User_id,
+		Questions_done: user.Questions_done,
+	}
+
+	c.JSON(http.StatusOK, userToReturn)
+}
+
+func EditUsername(c *gin.Context) {
+	user_id, exists := c.Get("uid")
+
+	if !exists {
+		c.JSON(http.StatusInternalServerError, gin.H{"error": "user not found"})
+		return
+	}
+
+	var new_username struct {
+		Username string `json:"username" binding:"required"`
+	}
+
+	err := c.BindJSON(&new_username)
+
+	if err != nil {
+		if new_username.Username == "" {
+			c.JSON(http.StatusBadRequest, gin.H{"error": "Username cannot be empty"})
+			return
+		}
+
+		c.JSON(http.StatusBadRequest, gin.H{"error": err.Error()})
+		return
+	}
+
+	filter := bson.M{"user_id": user_id}
+	update := bson.M{"$set": new_username}
+
+	result, err := userCollection.UpdateOne(context.TODO(), filter, update)
+	if err != nil {
+		c.JSON(http.StatusInternalServerError, gin.H{"message": "Failed to update user information", "error": err.Error()})
+		return
+	}
+
+	log.Printf("Updated %v Documents!\n", result.ModifiedCount)
+	c.JSON(http.StatusOK, gin.H{"message": "Username updated successfully"})
+}
+
+func AddQuestionsToProfile(c *gin.Context) {
+	user_id, exists := c.Get("uid")
+
+	if !exists {
+		c.JSON(http.StatusInternalServerError, gin.H{"error": "user not found"})
+		return
+	}
+
+	var questions struct {
+		Questions []int `json:"questions" binding:"required"`
+	}
+
+	err := c.BindJSON(&questions)
+
+	if err != nil {
+		c.JSON(http.StatusBadRequest, gin.H{"error": err.Error()})
+		return
+	}
+
+	filter := bson.M{"user_id": user_id}
+	update := bson.M{"$push": bson.M{"questions_done": bson.M{"$each": questions.Questions}}}
+
+	result, err := userCollection.UpdateOne(context.TODO(), filter, update)
+	if err != nil {
+		c.JSON(http.StatusInternalServerError, gin.H{"message": "Failed to update user information", "error": err.Error()})
+		return
+	}
+
+	log.Printf("Updated %v Documents!\n", result.ModifiedCount)
+	c.JSON(http.StatusOK, gin.H{"message": "Questions updated successfully"})
+}