77 lines
2.4 KiB
Go
77 lines
2.4 KiB
Go
 
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package shopping
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import (
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"context"
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"database/sql"
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"fmt"
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"code.cubecraftlabs.com/Maniacs_Mansion/Meal-Quest/internal/chat"
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"code.cubecraftlabs.com/Maniacs_Mansion/Meal-Quest/internal/db"
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"code.cubecraftlabs.com/Maniacs_Mansion/Meal-Quest/internal/household"
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"code.cubecraftlabs.com/Maniacs_Mansion/Meal-Quest/internal/jobs"
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"code.cubecraftlabs.com/Maniacs_Mansion/Meal-Quest/internal/store"
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)
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// SendToChat posts the Supply run of the week starting weekStart to Google
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// Chat (chat.PostSupplyRun): each dinner with its items still needed, and a
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// link to the Supply run. It records sent_to_chat_at and returns the list.
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//
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// A week is sent once: a Supply run already sent is returned as it is,
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// without posting again, unless resend is true. A week with no Supply run
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// is ErrListNotFound and one frozen into the Supply archive ErrFrozen. A
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// post that fails returns chat.PostSupplyRun's error and records nothing.
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func (s *Service) SendToChat(ctx context.Context, weekStart store.LocalDate, resend bool) (List, error) {
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s.sending.Lock()
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defer s.sending.Unlock()
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l, err := s.Get(ctx, weekStart)
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if err != nil {
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return List{}, err
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}
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if l.Status != StatusCurrent {
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return List{}, ErrFrozen
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}
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if l.SentToChatAt != nil && !resend {
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return l, nil
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}
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name, err := household.WeekLabel(weekStart)
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if err != nil {
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return List{}, fmt.Errorf("shopping: send to Google Chat: %w", err)
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}
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if l.Title != nil {
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name = *l.Title
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}
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groups := make([]chat.SupplyRunGroup, len(l.Groups))
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for i, g := range l.Groups {
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groups[i].Dinner = g.DinnerName
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for _, it := range g.Items {
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if !it.Needed {
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continue
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}
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item := chat.SupplyRunItem{Name: it.Name}
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if it.Qty != nil {
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item.Qty = *it.Qty
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}
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groups[i].Items = append(groups[i].Items, item)
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}
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}
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if err := s.chat.PostSupplyRun(ctx, weekStart, name, groups); err != nil {
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return List{}, err
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}
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// The post is made: record it even if the client has gone.
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write, cancel := jobs.FinalWriteContext(ctx)
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defer cancel()
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now := store.Now().String()
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n, err := db.New(s.st.Writer).MarkShoppingListSentToChat(write, db.MarkShoppingListSentToChatParams{
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SentToChatAt: sql.NullString{String: now, Valid: true},
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UpdatedAt: now,
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ID: l.ID,
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})
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if err != nil {
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return List{}, fmt.Errorf("shopping: record sent to Google Chat: %w", err)
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}
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if n != 1 {
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return List{}, ErrFrozen
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}
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return s.Get(write, weekStart)
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}
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