add expenses management

internal/model/expense.go

@@ -0,0 +1,39 @@
+package model
+
+import "time"
+
+type ExpenseType string
+
+const (
+	ExpenseTypeExpense ExpenseType = "expense"
+	ExpenseTypeTopup   ExpenseType = "topup"
+)
+
+type Expense struct {
+	ID          string      `db:"id"`
+	SpaceID     string      `db:"space_id"`
+	CreatedBy   string      `db:"created_by"`
+	Description string      `db:"description"`
+	AmountCents int         `db:"amount_cents"`
+	Type        ExpenseType `db:"type"`
+	Date        time.Time   `db:"date"`
+	CreatedAt   time.Time   `db:"created_at"`
+	UpdatedAt   time.Time   `db:"updated_at"`
+}
+
+type ExpenseTag struct {
+	ExpenseID string `db:"expense_id"`
+	TagID     string `db:"tag_id"`
+}
+
+type ExpenseItem struct {
+	ExpenseID string `db:"expense_id"`
+	ItemID    string `db:"item_id"`
+}
+
+type TagExpenseSummary struct {
+	TagID       string `db:"tag_id"`
+	TagName     string `db:"tag_name"`
+	TagColor    string `db:"tag_color"`
+	TotalAmount int    `db:"total_amount"`
+}

internal/model/file.go

@@ -9,8 +9,8 @@ const (
 )
 
 type File struct {
-	ID           string     `db:"id"`
-	UserID       string     `db:"user_id"`    // Who owns/created this file
+	ID           string    `db:"id"`
+	UserID       string    `db:"user_id"`    // Who owns/created this file
 	OwnerType    string    `db:"owner_type"` // "user", "profile", etc. - the entity that owns the file
 	OwnerID      string    `db:"owner_id"`   // Polymorphic FK
 	Type         string    `db:"type"`

internal/model/profile.go

@@ -3,8 +3,8 @@ package model
 import "time"
 
 type Profile struct {
-	ID        string     `db:"id"`
-	UserID    string     `db:"user_id"`
+	ID        string    `db:"id"`
+	UserID    string    `db:"user_id"`
 	Name      string    `db:"name"`
 	CreatedAt time.Time `db:"created_at"`
 	UpdatedAt time.Time `db:"updated_at"`

internal/model/shopping_list.go

@@ -11,11 +11,11 @@ type ShoppingList struct {
 }
 
 type ListItem struct {
-	ID         string    `db:"id"`
-	ListID     string    `db:"list_id"`
-	Name       string    `db:"name"`
-	IsChecked  bool      `db:"is_checked"`
-	CreatedBy  string    `db:"created_by"`
-	CreatedAt  time.Time `db:"created_at"`
-	UpdatedAt  time.Time `db:"updated_at"`
+	ID        string    `db:"id"`
+	ListID    string    `db:"list_id"`
+	Name      string    `db:"name"`
+	IsChecked bool      `db:"is_checked"`
+	CreatedBy string    `db:"created_by"`
+	CreatedAt time.Time `db:"created_at"`
+	UpdatedAt time.Time `db:"updated_at"`
 }

internal/model/token.go

@@ -5,8 +5,8 @@ import (
 )
 
 type Token struct {
-	ID        string      `db:"id"`
-	UserID    string      `db:"user_id"`
+	ID        string     `db:"id"`
+	UserID    string     `db:"user_id"`
 	Type      string     `db:"type"` // "email_verify" or "password_reset"
 	Token     string     `db:"token"`
 	ExpiresAt time.Time  `db:"expires_at"`

internal/model/user.go

@@ -3,7 +3,7 @@ package model
 import "time"
 
 type User struct {
-	ID    string  `db:"id"`
+	ID    string `db:"id"`
 	Email string `db:"email"`
 	// Allow null for passwordless users
 	PasswordHash    *string    `db:"password_hash"`