Tim Wundenberg
5b07145f47
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78 lines
1.5 KiB
Go
78 lines
1.5 KiB
Go
package service
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import (
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"context"
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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) MainChart(
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ctx context.Context,
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user *types.User,
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) ([]types.DashboardMainChartEntry, error) {
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if user == nil {
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return nil, ErrUnauthorized
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}
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transactions := make([]types.Transaction, 0)
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err := s.db.SelectContext(ctx, &transactions, `
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SELECT *
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FROM "transaction"
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WHERE user_id = ?
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ORDER BY timestamp`, user.Id)
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err = db.TransformAndLogDbError(ctx, "dashboard Chart", nil, err)
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if err != nil {
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return nil, err
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}
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timeEntries := make([]types.DashboardMainChartEntry, 0)
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var lastEntry *types.DashboardMainChartEntry
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for _, t := range transactions {
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if t.Error != nil {
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continue
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}
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newDay := t.Timestamp.Truncate(24 * time.Hour)
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if lastEntry == nil {
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lastEntry = &types.DashboardMainChartEntry{
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Day: newDay,
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Value: 0,
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Savings: 0,
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}
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} else if lastEntry.Day != newDay {
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timeEntries = append(timeEntries, *lastEntry)
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lastEntry = &types.DashboardMainChartEntry{
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Day: newDay,
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Value: lastEntry.Value,
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Savings: lastEntry.Savings,
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}
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}
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if t.AccountId != nil {
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lastEntry.Value += t.Value
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}
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if t.TreasureChestId != nil {
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lastEntry.Savings += t.Value
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}
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}
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if lastEntry != nil {
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timeEntries = append(timeEntries, *lastEntry)
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}
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return timeEntries, nil
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}
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