23939ccc92
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- model/finance.go: FinanceCategory, FinanceTransaction, Summary, Analytics - repository/finance.go: CRUD + summary/analytics queries - service/finance.go: business logic with auto-seed default categories - handler/finance.go: REST endpoints with owner-only check (user_id=1) - db.go: finance_categories + finance_transactions migrations - main.go: register /finance/* routes Endpoints: GET/POST/PUT/DELETE /finance/categories, /finance/transactions GET /finance/summary, /finance/analytics
115 lines
3.8 KiB
Go
115 lines
3.8 KiB
Go
package model
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import (
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"database/sql"
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"time"
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)
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type FinanceCategory struct {
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ID int64 `db:"id" json:"id"`
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UserID int64 `db:"user_id" json:"user_id"`
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Name string `db:"name" json:"name"`
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Emoji string `db:"emoji" json:"emoji"`
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Type string `db:"type" json:"type"`
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Budget sql.NullFloat64 `db:"budget" json:"-"`
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BudgetVal *float64 `db:"-" json:"budget"`
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Color string `db:"color" json:"color"`
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SortOrder int `db:"sort_order" json:"sort_order"`
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CreatedAt time.Time `db:"created_at" json:"created_at"`
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}
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func (c *FinanceCategory) ProcessForJSON() {
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if c.Budget.Valid {
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c.BudgetVal = &c.Budget.Float64
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}
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}
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type FinanceTransaction struct {
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ID int64 `db:"id" json:"id"`
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UserID int64 `db:"user_id" json:"user_id"`
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CategoryID int64 `db:"category_id" json:"category_id"`
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Type string `db:"type" json:"type"`
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Amount float64 `db:"amount" json:"amount"`
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Description string `db:"description" json:"description"`
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Date time.Time `db:"date" json:"date"`
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CreatedAt time.Time `db:"created_at" json:"created_at"`
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// Joined fields
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CategoryName string `db:"category_name" json:"category_name,omitempty"`
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CategoryEmoji string `db:"category_emoji" json:"category_emoji,omitempty"`
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}
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type CreateFinanceCategoryRequest struct {
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Name string `json:"name"`
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Emoji string `json:"emoji,omitempty"`
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Type string `json:"type"`
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Budget *float64 `json:"budget,omitempty"`
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Color string `json:"color,omitempty"`
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SortOrder int `json:"sort_order,omitempty"`
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}
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type UpdateFinanceCategoryRequest struct {
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Name *string `json:"name,omitempty"`
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Emoji *string `json:"emoji,omitempty"`
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Type *string `json:"type,omitempty"`
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Budget *float64 `json:"budget,omitempty"`
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Color *string `json:"color,omitempty"`
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SortOrder *int `json:"sort_order,omitempty"`
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}
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type CreateFinanceTransactionRequest struct {
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CategoryID int64 `json:"category_id"`
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Type string `json:"type"`
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Amount float64 `json:"amount"`
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Description string `json:"description,omitempty"`
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Date string `json:"date"`
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}
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type UpdateFinanceTransactionRequest struct {
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CategoryID *int64 `json:"category_id,omitempty"`
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Type *string `json:"type,omitempty"`
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Amount *float64 `json:"amount,omitempty"`
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Description *string `json:"description,omitempty"`
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Date *string `json:"date,omitempty"`
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}
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type FinanceSummary struct {
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Balance float64 `json:"balance"`
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TotalIncome float64 `json:"total_income"`
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TotalExpense float64 `json:"total_expense"`
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ByCategory []CategorySummary `json:"by_category"`
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Daily []DailySummary `json:"daily"`
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}
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type CategorySummary struct {
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CategoryID int64 `json:"category_id" db:"category_id"`
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CategoryName string `json:"category_name" db:"category_name"`
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CategoryEmoji string `json:"category_emoji" db:"category_emoji"`
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Type string `json:"type" db:"type"`
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Amount float64 `json:"amount" db:"amount"`
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Percentage float64 `json:"percentage"`
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Budget *float64 `json:"budget,omitempty"`
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}
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type DailySummary struct {
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Date string `json:"date" db:"date"`
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Amount float64 `json:"amount" db:"amount"`
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}
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type FinanceAnalytics struct {
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MonthlyTrend []MonthlyTrend `json:"monthly_trend"`
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AvgDailyExpense float64 `json:"avg_daily_expense"`
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ComparisonPrevMonth Comparison `json:"comparison_prev_month"`
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}
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type MonthlyTrend struct {
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Month string `json:"month" db:"month"`
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Income float64 `json:"income" db:"income"`
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Expense float64 `json:"expense" db:"expense"`
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}
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type Comparison struct {
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Current float64 `json:"current"`
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Previous float64 `json:"previous"`
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DiffPercent float64 `json:"diff_percent"`
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}
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