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package accounts
import (
"net/http"
"strconv"
"finance/backend/internal/database"
"finance/backend/internal/models"
"github.com/gin-gonic/gin"
"gorm.io/gorm"
)
// GetAccounts returns all accounts for the authenticated user
func GetAccounts() gin.HandlerFunc {
return func(c *gin.Context) {
// Get user from context (set by auth middleware)
user, exists := c.Get("user")
if !exists {
c.JSON(http.StatusUnauthorized, gin.H{"error": "Unauthorized"})
return
}
userObj := user.(models.User)
var accounts []models.Account
// Fetch all accounts for the user
if err := database.DB.Where("user_id = ?", userObj.ID).Find(&accounts).Error; err != nil {
c.JSON(http.StatusInternalServerError, gin.H{"error": "Failed to fetch accounts"})
return
}
c.JSON(http.StatusOK, gin.H{"accounts": accounts})
}
}
// GetAccountByID returns a specific account by ID
func GetAccountByID() gin.HandlerFunc {
return func(c *gin.Context) {
// Get user from context (set by auth middleware)
user, exists := c.Get("user")
if !exists {
c.JSON(http.StatusUnauthorized, gin.H{"error": "Unauthorized"})
return
}
userObj := user.(models.User)
// Get account ID from URL parameter
accountID, err := strconv.ParseUint(c.Param("id"), 10, 32)
if err != nil {
c.JSON(http.StatusBadRequest, gin.H{"error": "Invalid account ID format"})
return
}
var account models.Account
// Fetch the account and ensure it belongs to the authenticated user
if err := database.DB.Where("id = ? AND user_id = ?", accountID, userObj.ID).First(&account).Error; err != nil {
if err == gorm.ErrRecordNotFound {
c.JSON(http.StatusNotFound, gin.H{"error": "Account not found"})
} else {
c.JSON(http.StatusInternalServerError, gin.H{"error": "Failed to fetch account"})
}
return
}
c.JSON(http.StatusOK, gin.H{"account": account})
}
}
// CreateAccount creates a new account
func CreateAccount() gin.HandlerFunc {
return func(c *gin.Context) {
// Get user from context (set by auth middleware)
user, exists := c.Get("user")
if !exists {
c.JSON(http.StatusUnauthorized, gin.H{"error": "Unauthorized"})
return
}
userObj := user.(models.User)
// Define a struct to bind the request JSON
var input struct {
Name string `json:"name" binding:"required"`
Type string `json:"type" binding:"required"` // e.g., "Bank", "Credit Card", "Cash", "Loan", "Income Source"
Balance int64 `json:"balance" binding:"required"`
}
// Bind JSON to struct
if err := c.ShouldBindJSON(&input); err != nil {
c.JSON(http.StatusBadRequest, gin.H{"error": err.Error()})
return
}
// Create account object
account := models.Account{
UserID: userObj.ID,
Name: input.Name,
Type: input.Type,
Balance: input.Balance,
}
// Save to database
if err := database.DB.Create(&account).Error; err != nil {
c.JSON(http.StatusInternalServerError, gin.H{"error": "Failed to create account"})
return
}
c.JSON(http.StatusCreated, gin.H{"account": account})
}
}
// UpdateAccount updates an existing account
func UpdateAccount() gin.HandlerFunc {
return func(c *gin.Context) {
// Get user from context (set by auth middleware)
user, exists := c.Get("user")
if !exists {
c.JSON(http.StatusUnauthorized, gin.H{"error": "Unauthorized"})
return
}
userObj := user.(models.User)
// Get account ID from URL parameter
accountID, err := strconv.ParseUint(c.Param("id"), 10, 32)
if err != nil {
c.JSON(http.StatusBadRequest, gin.H{"error": "Invalid account ID format"})
return
}
// Check if the account exists and belongs to the user
var account models.Account
if err := database.DB.Where("id = ? AND user_id = ?", accountID, userObj.ID).First(&account).Error; err != nil {
if err == gorm.ErrRecordNotFound {
c.JSON(http.StatusNotFound, gin.H{"error": "Account not found"})
} else {
c.JSON(http.StatusInternalServerError, gin.H{"error": "Failed to fetch account"})
}
return
}
// Define a struct to bind the request JSON
var input struct {
Name string `json:"name"`
Type string `json:"type"`
Balance int64 `json:"balance"`
}
// Bind JSON to struct
if err := c.ShouldBindJSON(&input); err != nil {
c.JSON(http.StatusBadRequest, gin.H{"error": err.Error()})
return
}
// Update fields if provided
if input.Name != "" {
account.Name = input.Name
}
if input.Type != "" {
account.Type = input.Type
}
// For balance, we should allow setting it to 0, so check if it was provided
if c.Request.Method == "PUT" || c.Request.Method == "PATCH" {
if c.PostForm("balance") != "" || c.GetHeader("Content-Type") == "application/json" {
account.Balance = input.Balance
}
}
// Save updates to database
if err := database.DB.Save(&account).Error; err != nil {
c.JSON(http.StatusInternalServerError, gin.H{"error": "Failed to update account"})
return
}
c.JSON(http.StatusOK, gin.H{"account": account})
}
}
// DeleteAccount deletes an account
func DeleteAccount() gin.HandlerFunc {
return func(c *gin.Context) {
// Get user from context (set by auth middleware)
user, exists := c.Get("user")
if !exists {
c.JSON(http.StatusUnauthorized, gin.H{"error": "Unauthorized"})
return
}
userObj := user.(models.User)
// Get account ID from URL parameter
accountID, err := strconv.ParseUint(c.Param("id"), 10, 32)
if err != nil {
c.JSON(http.StatusBadRequest, gin.H{"error": "Invalid account ID format"})
return
}
// Check if the account exists and belongs to the user
var account models.Account
if err := database.DB.Where("id = ? AND user_id = ?", accountID, userObj.ID).First(&account).Error; err != nil {
if err == gorm.ErrRecordNotFound {
c.JSON(http.StatusNotFound, gin.H{"error": "Account not found"})
} else {
c.JSON(http.StatusInternalServerError, gin.H{"error": "Failed to fetch account"})
}
return
}
// Delete the account
if err := database.DB.Delete(&account).Error; err != nil {
c.JSON(http.StatusInternalServerError, gin.H{"error": "Failed to delete account"})
return
}
c.JSON(http.StatusOK, gin.H{"message": "Account deleted successfully"})
}
}
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