feat: titles.go added

modules/backend/handlers/titles.go

@@ -0,0 +1,96 @@
+package handlers
+
+import (
+	"context"
+	"fmt"
+	oapi "nyanimedb/api"
+	sqlc "nyanimedb/sql"
+
+	log "github.com/sirupsen/logrus"
+)
+
+func Word2Sqlc(s *string) *string {
+	if s == nil {
+		return nil
+	}
+	if *s == "" {
+		return nil
+	}
+	return s
+}
+
+func TitleStatus2Sqlc(s *oapi.TitleStatus) (*sqlc.TitleStatusT, error) {
+	if s == nil {
+		return nil, nil
+	}
+	var t sqlc.TitleStatusT
+	if *s == "finished" {
+		t = "finished"
+	} else if *s == "ongoing" {
+		t = "ongoing"
+	} else if *s == "planned" {
+		t = "planned"
+	} else {
+		return nil, fmt.Errorf("unexpected tittle status: %s", *s)
+	}
+	return &t, nil
+}
+
+func ReleaseSeason2sqlc(s *oapi.ReleaseSeason) (*sqlc.ReleaseSeasonT, error) {
+	if s == nil {
+		return nil, nil
+	}
+	var t sqlc.ReleaseSeasonT
+	if *s == "winter" {
+		t = "winter"
+	} else if *s == "spring" {
+		t = "spring"
+	} else if *s == "summer" {
+		t = "summer"
+	} else if *s == "fall" {
+		t = "fall"
+	} else {
+		return nil, fmt.Errorf("unexpected release season: %s", *s)
+	}
+	return &t, nil
+}
+
+func (s Server) GetTitle(ctx context.Context, request oapi.GetTitleRequestObject) (oapi.GetTitleResponseObject, error) {
+	var result []oapi.Title
+
+	word := Word2Sqlc(request.Params.Word)
+	status, err := TitleStatus2Sqlc(request.Params.Status)
+	if err != nil {
+		log.Errorf("%v", err)
+		return oapi.GetTitle400Response{}, err
+	}
+	season, err := ReleaseSeason2sqlc(request.Params.ReleaseSeason)
+	if err != nil {
+		log.Errorf("%v", err)
+		return oapi.GetTitle400Response{}, err
+	}
+	// param = nil means it will not be used
+	titles, err := s.db.SearchTitles(ctx, sqlc.SearchTitlesParams{
+		Word:          word,
+		Status:        status,
+		Rating:        request.Params.Rating,
+		ReleaseYear:   request.Params.ReleaseYear,
+		ReleaseSeason: season,
+	})
+	if err != nil {
+		return oapi.GetTitle500Response{}, nil
+	}
+	if len(titles) == 0 {
+		return oapi.GetTitle204Response{}, nil
+	}
+
+	for _, title := range titles {
+		t := oapi.Title{
+			Rating:   title.Rating,
+			PosterId: title.PosterID,
+		}
+		result = append(result, t)
+	}
+
+	return oapi.GetTitle200JSONResponse(result), nil
+}