merge.go RawHistoryFolder

1package provider
2
3// MergeCatalog returns the baked-in catalog overlaid with live entries.
4// Precedence per id: live > catalog; speculative entries are promoted
5// to non-speculative when a matching live id appears.
6//
7// Unknown live ids (not in the static catalog) are appended at the end
8// with placeholder prices so they still render in the picker. Prices
9// can be populated later from a richer catalog source.
10func MergeCatalog(live []Model) []Model {
11	byKey := func(p, id string) string { return p + "/" + id }
12
13	staticIndex := make(map[string]Model, len(Catalog))
14	staticOrder := make([]string, 0, len(Catalog))
15	for _, m := range Catalog {
16		m.Source = "catalog"
17		k := byKey(m.Provider, m.ID)
18		staticIndex[k] = m
19		staticOrder = append(staticOrder, k)
20	}
21
22	seenLive := make(map[string]bool, len(live))
23	for _, m := range live {
24		seenLive[byKey(m.Provider, m.ID)] = true
25	}
26
27	// Promote/overwrite from live.
28	for _, l := range live {
29		k := byKey(l.Provider, l.ID)
30		if s, ok := staticIndex[k]; ok {
31			// Keep static prices & context window (live endpoint rarely
32			// exposes these), but mark as live and non-speculative.
33			s.Source = "live"
34			s.Speculative = false
35			if l.DisplayName != "" {
36				s.DisplayName = l.DisplayName
37			}
38			staticIndex[k] = s
39		} else {
40			// New live id we'd never heard of. Best-effort defaults.
41			if l.DisplayName == "" {
42				l.DisplayName = l.ID
43			}
44			staticIndex[k] = l
45			staticOrder = append(staticOrder, k)
46		}
47	}
48
49	out := make([]Model, 0, len(staticOrder))
50	for _, k := range staticOrder {
51		out = append(out, staticIndex[k])
52	}
53	return out
54}