bvandeusen
00804cb974
Wires recommendation.HomeData into handleGetHome; maps dbq row types to the five HomePayload wire-type slices (AlbumRef/ArtistRef/TrackRef). All slices are non-nil so the SPA never receives JSON null for empty sections. Co-Authored-By: Claude Sonnet 4.6 <noreply@anthropic.com>
56 lines
2.3 KiB
Go
56 lines
2.3 KiB
Go
package api
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import (
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"net/http"
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"git.fabledsword.com/bvandeusen/minstrel/internal/auth"
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"git.fabledsword.com/bvandeusen/minstrel/internal/db/dbq"
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"git.fabledsword.com/bvandeusen/minstrel/internal/recommendation"
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)
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// handleGetHome implements GET /api/home. Returns five sections in one
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// payload; sections that have no rows render as []. 500 on any underlying
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// DB failure — the SPA should render either empty states or full content,
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// not a half-broken page.
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func (h *handlers) handleGetHome(w http.ResponseWriter, r *http.Request) {
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user, ok := auth.UserFromContext(r.Context())
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if !ok {
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writeErr(w, http.StatusUnauthorized, "unauthorized", "authentication required")
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return
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}
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data, err := recommendation.HomeData(r.Context(), h.pool, user.ID)
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if err != nil {
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h.logger.Error("api: home data", "err", err)
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writeErr(w, http.StatusInternalServerError, "server_error", "failed to load home")
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return
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}
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out := HomePayload{
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RecentlyAddedAlbums: make([]AlbumRef, 0, len(data.RecentlyAddedAlbums)),
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RediscoverAlbums: make([]AlbumRef, 0, len(data.RediscoverAlbums)),
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RediscoverArtists: make([]ArtistRef, 0, len(data.RediscoverArtists)),
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MostPlayedTracks: make([]TrackRef, 0, len(data.MostPlayedTracks)),
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LastPlayedArtists: make([]ArtistRef, 0, len(data.LastPlayedArtists)),
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}
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for _, row := range data.RecentlyAddedAlbums {
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out.RecentlyAddedAlbums = append(out.RecentlyAddedAlbums, albumRefFrom(row.Album, row.ArtistName, 0, 0))
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}
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for _, row := range data.RediscoverAlbums {
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out.RediscoverAlbums = append(out.RediscoverAlbums, albumRefFrom(row.Album, row.ArtistName, 0, 0))
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}
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for _, row := range data.RediscoverArtists {
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out.RediscoverArtists = append(out.RediscoverArtists, artistRefFromCovered(row.Artist, int(row.AlbumCount), row.CoverAlbumID))
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}
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for _, row := range data.MostPlayedTracks {
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out.MostPlayedTracks = append(out.MostPlayedTracks, trackRefFrom(row.Track, row.AlbumTitle, row.ArtistName))
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}
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for _, row := range data.LastPlayedArtists {
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out.LastPlayedArtists = append(out.LastPlayedArtists, artistRefFromCovered(row.Artist, int(row.AlbumCount), row.CoverAlbumID))
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}
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writeJSON(w, http.StatusOK, out)
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}
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// Compile-time guard that dbq has the row types we need; if the SQL is
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// regenerated with a different name, this fails fast at build time.
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var _ = dbq.ListMostPlayedTracksForUserRow{}.Track
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