feat: add books APIs

internal/handler/transcription.go

@@ -0,0 +1,129 @@
+package handler
+
+import (
+	"net/http"
+	"strconv"
+
+	"github.com/go-chi/chi/v5"
+	"github.com/prabhupadasays/spsays-bff/internal/repository"
+	"github.com/prabhupadasays/spsays-bff/pkg/response"
+)
+
+type TranscriptionHandler struct {
+	repo *repository.TranscriptionRepo
+}
+
+func NewTranscriptionHandler(repo *repository.TranscriptionRepo) *TranscriptionHandler {
+	return &TranscriptionHandler{repo: repo}
+}
+
+func (h *TranscriptionHandler) GetBySlug(w http.ResponseWriter, r *http.Request) {
+	slug := chi.URLParam(r, "slug")
+	doc, err := h.repo.GetBySlug(r.Context(), slug)
+	if err != nil {
+		response.Error(w, http.StatusInternalServerError, "failed to fetch transcription")
+		return
+	}
+	if doc == nil {
+		response.Error(w, http.StatusNotFound, "transcription not found")
+		return
+	}
+	response.JSON(w, http.StatusOK, doc)
+}
+
+func (h *TranscriptionHandler) GetByYear(w http.ResponseWriter, r *http.Request) {
+	yearStr := chi.URLParam(r, "year")
+	year, err := strconv.Atoi(yearStr)
+	if err != nil {
+		response.Error(w, http.StatusBadRequest, "invalid year")
+		return
+	}
+	docs, err := h.repo.GetByYear(r.Context(), year)
+	if err != nil {
+		response.Error(w, http.StatusInternalServerError, "failed to fetch transcriptions")
+		return
+	}
+	response.JSON(w, http.StatusOK, docs)
+}
+
+func (h *TranscriptionHandler) GetByPlace(w http.ResponseWriter, r *http.Request) {
+	place := chi.URLParam(r, "place")
+	docs, err := h.repo.GetByPlace(r.Context(), place)
+	if err != nil {
+		response.Error(w, http.StatusInternalServerError, "failed to fetch transcriptions")
+		return
+	}
+	response.JSON(w, http.StatusOK, docs)
+}
+
+func (h *TranscriptionHandler) GetByType(w http.ResponseWriter, r *http.Request) {
+	docType := chi.URLParam(r, "type")
+	if docType != "lecture" && docType != "conversation" {
+		response.Error(w, http.StatusBadRequest, "invalid type: must be 'lecture' or 'conversation'")
+		return
+	}
+	docs, err := h.repo.GetByType(r.Context(), docType)
+	if err != nil {
+		response.Error(w, http.StatusInternalServerError, "failed to fetch transcriptions")
+		return
+	}
+	response.JSON(w, http.StatusOK, docs)
+}
+
+func (h *TranscriptionHandler) GetYears(w http.ResponseWriter, r *http.Request) {
+	docs, err := h.repo.GetYears(r.Context())
+	if err != nil {
+		response.Error(w, http.StatusInternalServerError, "failed to fetch years")
+		return
+	}
+	response.JSON(w, http.StatusOK, docs)
+}
+
+func (h *TranscriptionHandler) GetPlaces(w http.ResponseWriter, r *http.Request) {
+	docs, err := h.repo.GetPlaces(r.Context())
+	if err != nil {
+		response.Error(w, http.StatusInternalServerError, "failed to fetch places")
+		return
+	}
+	response.JSON(w, http.StatusOK, docs)
+}
+
+func (h *TranscriptionHandler) GetTypeDistribution(w http.ResponseWriter, r *http.Request) {
+	lectures, conversations, err := h.repo.GetTypeDistribution(r.Context())
+	if err != nil {
+		response.Error(w, http.StatusInternalServerError, "failed to fetch type distribution")
+		return
+	}
+	response.JSON(w, http.StatusOK, map[string]int64{
+		"lectures":      lectures,
+		"conversations": conversations,
+	})
+}
+
+func (h *TranscriptionHandler) Count(w http.ResponseWriter, r *http.Request) {
+	count, err := h.repo.Count(r.Context())
+	if err != nil {
+		response.Error(w, http.StatusInternalServerError, "failed to count transcriptions")
+		return
+	}
+	response.JSON(w, http.StatusOK, map[string]int64{"count": count})
+}
+
+func (h *TranscriptionHandler) GetAdjacent(w http.ResponseWriter, r *http.Request) {
+	slug := chi.URLParam(r, "slug")
+	yearStr := r.URL.Query().Get("year")
+	year, err := strconv.Atoi(yearStr)
+	if err != nil {
+		response.Error(w, http.StatusBadRequest, "invalid year")
+		return
+	}
+	prev, next, err := h.repo.GetAdjacent(r.Context(), slug, year)
+	if err != nil {
+		response.Error(w, http.StatusInternalServerError, "failed to fetch adjacent transcriptions")
+		return
+	}
+	response.JSON(w, http.StatusOK, map[string]interface{}{
+		"prev": prev,
+		"next": next,
+	})
+}