Tim Wundenberg
ff5ed3ec14
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89 lines
1.9 KiB
Go
89 lines
1.9 KiB
Go
package service
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import (
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"context"
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"log/slog"
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"spend-sparrow/internal/db"
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"spend-sparrow/internal/types"
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"time"
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"github.com/jmoiron/sqlx"
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)
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type Dashboard struct {
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db *sqlx.DB
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}
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func NewDashboard(db *sqlx.DB) *Dashboard {
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return &Dashboard{
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db: db,
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}
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}
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func (s Dashboard) Summary(ctx context.Context, user *types.User, month time.Time) (*types.DashboardMonthlySummary, error) {
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if user == nil {
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return nil, ErrUnauthorized
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}
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var summary types.DashboardMonthlySummary
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var value *int64
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err := s.db.GetContext(ctx, &value, `
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SELECT SUM(value)
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FROM "transaction"
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WHERE user_id = $1
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AND treasure_chest_id IS NOT NULL
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AND account_id IS NULL
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AND error IS NULL
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AND date(timestamp, 'start of month') = date($2, 'start of month')`,
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user.Id, month)
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err = db.TransformAndLogDbError("dashboard", nil, err)
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if err != nil {
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return nil, err
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}
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if value != nil {
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summary.Savings = *value
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}
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err = s.db.GetContext(ctx, &value, `
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SELECT SUM(value)
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FROM "transaction"
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WHERE user_id = $1
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AND account_id IS NOT NULL
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AND treasure_chest_id IS NULL
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AND error IS NULL
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AND date(timestamp, 'start of month') = date($2, 'start of month')`,
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user.Id, month)
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err = db.TransformAndLogDbError("dashboard", nil, err)
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if err != nil {
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return nil, err
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}
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if value != nil {
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summary.Income = *value
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}
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err = s.db.GetContext(ctx, &value, `
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SELECT SUM(value)
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FROM "transaction"
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WHERE user_id = $1
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AND account_id IS NOT NULL
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AND treasure_chest_id IS NOT NULL
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AND error IS NULL
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AND date(timestamp, 'start of month') = date($2, 'start of month')`,
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user.Id, month)
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err = db.TransformAndLogDbError("dashboard", nil, err)
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if err != nil {
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return nil, err
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}
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if value != nil {
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summary.Expenses = *value
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}
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summary.Total = summary.Income + summary.Expenses
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summary.Month = month
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slog.Info("Dashboard summary", "summary", summary)
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return &summary, nil
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}
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