Mlcavalho1andClaude Sonnet 4.6
fbcb1d76aa
Adiciona GET /api/dashboard?month=YYYY-MM com resumo mensal (% poupado, gastos por categoria, evolução 6 meses, últimas 10 transações, recorrências pendentes). HomeView.vue reescrita com 4 widgets e gráficos CSS nativos. Co-Authored-By: Claude Sonnet 4.6 <[email protected]>
123 lines
3.3 KiB
Go
123 lines
3.3 KiB
Go
package repository
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import (
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"context"
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"github.com/jackc/pgx/v5/pgxpool"
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"financeiro-carvalho/internal/model"
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)
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type DashboardRepository struct {
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pool *pgxpool.Pool
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}
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func NewDashboardRepository(pool *pgxpool.Pool) *DashboardRepository {
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return &DashboardRepository{pool: pool}
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}
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func (r *DashboardRepository) MonthlySummary(ctx context.Context, month string) (income, expenses float64, err error) {
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row := r.pool.QueryRow(ctx, `
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SELECT
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COALESCE(SUM(CASE WHEN type = 'income' THEN amount ELSE 0 END), 0),
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COALESCE(SUM(CASE WHEN type = 'expense' THEN amount ELSE 0 END), 0)
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FROM transactions
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WHERE to_char(date, 'YYYY-MM') = $1
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`, month)
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err = row.Scan(&income, &expenses)
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return
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}
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func (r *DashboardRepository) ByCategory(ctx context.Context, month string) ([]model.CategoryTotal, error) {
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rows, err := r.pool.Query(ctx, `
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SELECT
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t.category_id,
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COALESCE(c.name, 'Sem categoria') AS category_name,
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COALESCE(c.color, '#6B7280') AS color,
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SUM(t.amount) AS total
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FROM transactions t
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LEFT JOIN categories c ON c.id = t.category_id
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WHERE to_char(t.date, 'YYYY-MM') = $1
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AND t.type = 'expense'
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GROUP BY t.category_id, c.name, c.color
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ORDER BY total DESC
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`, month)
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if err != nil {
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return nil, err
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}
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defer rows.Close()
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var out []model.CategoryTotal
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for rows.Next() {
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var ct model.CategoryTotal
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if err := rows.Scan(&ct.CategoryID, &ct.CategoryName, &ct.Color, &ct.Total); err != nil {
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return nil, err
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}
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out = append(out, ct)
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}
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return out, rows.Err()
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}
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func (r *DashboardRepository) MonthlyEvolution(ctx context.Context, month string) ([]model.MonthEvolution, error) {
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rows, err := r.pool.Query(ctx, `
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SELECT
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to_char(m.ms, 'YYYY-MM') AS month,
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COALESCE(SUM(CASE WHEN t.type = 'income' THEN t.amount ELSE 0 END), 0) AS income,
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COALESCE(SUM(CASE WHEN t.type = 'expense' THEN t.amount ELSE 0 END), 0) AS expenses
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FROM generate_series(
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date_trunc('month', ($1 || '-01')::date) - INTERVAL '5 months',
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date_trunc('month', ($1 || '-01')::date),
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'1 month'::interval
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) AS m(ms)
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LEFT JOIN transactions t ON date_trunc('month', t.date) = m.ms
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GROUP BY m.ms
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ORDER BY m.ms
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`, month)
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if err != nil {
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return nil, err
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}
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defer rows.Close()
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var out []model.MonthEvolution
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for rows.Next() {
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var me model.MonthEvolution
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if err := rows.Scan(&me.Month, &me.Income, &me.Expenses); err != nil {
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return nil, err
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}
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me.Saved = me.Income - me.Expenses
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out = append(out, me)
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}
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return out, rows.Err()
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}
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func (r *DashboardRepository) RecentTransactions(ctx context.Context, month string) ([]model.RecentTransaction, error) {
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rows, err := r.pool.Query(ctx, `
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SELECT
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t.id,
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t.date::text,
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t.description,
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COALESCE(c.name, 'Sem categoria') AS category_name,
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t.amount,
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t.type
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FROM transactions t
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LEFT JOIN categories c ON c.id = t.category_id
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WHERE to_char(t.date, 'YYYY-MM') = $1
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ORDER BY t.date DESC, t.id DESC
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LIMIT 10
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`, month)
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if err != nil {
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return nil, err
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}
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defer rows.Close()
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var out []model.RecentTransaction
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for rows.Next() {
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var rt model.RecentTransaction
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if err := rows.Scan(&rt.ID, &rt.Date, &rt.Description, &rt.CategoryName, &rt.Amount, &rt.Type); err != nil {
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return nil, err
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}
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out = append(out, rt)
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}
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return out, rows.Err()
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}
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