refactor: extract catalog and search handlers

internal/anime/catalog_handler.go

@@ -0,0 +1,123 @@
+package anime
+
+import (
+	"mal/internal/observability"
+	"mal/internal/server"
+	"net/http"
+
+	"github.com/gin-gonic/gin"
+)
+
+func (h *AnimeHandler) HandleSearch(c *gin.Context) {
+	c.HTML(http.StatusOK, "search.gohtml", gin.H{
+		"User":        server.CurrentUser(c),
+		"CurrentPath": "/search",
+	})
+}
+
+func (h *AnimeHandler) HandleCatalog(c *gin.Context) {
+	user := server.CurrentUser(c)
+
+	c.HTML(http.StatusOK, "index.gohtml", gin.H{
+		"CurrentPath":  "/",
+		"User":         user,
+		"WatchlistMap": map[int64]bool{},
+	})
+}
+
+func (h *AnimeHandler) HandleCatalogAiring(c *gin.Context) {
+	h.renderCatalogSection(c, "Airing")
+}
+
+func (h *AnimeHandler) HandleCatalogPopular(c *gin.Context) {
+	h.renderCatalogSection(c, "Popular")
+}
+
+func (h *AnimeHandler) HandleCatalogContinue(c *gin.Context) {
+	h.renderCatalogSection(c, "Continue")
+}
+
+func (h *AnimeHandler) HandleCatalogTopPickForYou(c *gin.Context) {
+	userID := server.CurrentUserID(c)
+
+	data, err := h.svc.GetTopPickForYou(c.Request.Context(), userID)
+	if err != nil {
+		observability.WarnContext(c.Request.Context(),
+			"top_pick_for_you_fetch_failed",
+			"anime",
+			"",
+			map[string]any{
+				"user_id": userID,
+			},
+			err,
+		)
+		c.AbortWithStatus(http.StatusInternalServerError)
+		return
+	}
+
+	watchlistMap := h.watchlistMapForAnimes(c.Request.Context(), userID, data.Animes)
+
+	data.Section = "TopPickForYou"
+	data.Fragment = "top_pick_for_you_section"
+	data.WatchlistMap = watchlistMap
+	c.HTML(http.StatusOK, "index.gohtml", data)
+}
+
+func (h *AnimeHandler) renderCatalogSection(c *gin.Context, section string) {
+	userID := server.CurrentUserID(c)
+	data, err := h.svc.GetCatalogSection(c.Request.Context(), userID, section)
+	if err != nil {
+		h.abortSectionFetch(c, "catalog_section_fetch_failed", userID, section, err)
+		return
+	}
+
+	watchlistMap := h.watchlistMapForAnimes(c.Request.Context(), userID, data.Animes)
+
+	data.Section = section
+	data.Fragment = "catalog_section"
+	data.WatchlistMap = watchlistMap
+	c.HTML(http.StatusOK, "index.gohtml", data)
+}
+
+func (h *AnimeHandler) HandleTopPicks(c *gin.Context) {
+	user := server.CurrentUser(c)
+	userID := server.CurrentUserID(c)
+
+	data, err := h.svc.GetTopPicksForYou(c.Request.Context(), userID)
+	if err != nil {
+		observability.WarnContext(c.Request.Context(),
+			"top_picks_for_you_fetch_failed",
+			"anime",
+			"",
+			map[string]any{
+				"user_id": userID,
+			},
+			err,
+		)
+		c.AbortWithStatus(http.StatusInternalServerError)
+		return
+	}
+
+	watchlistMap := h.watchlistMapForAnimes(c.Request.Context(), userID, data.Animes)
+
+	c.HTML(http.StatusOK, "top_picks.gohtml", gin.H{
+		"CurrentPath":  "/top-picks",
+		"User":         user,
+		"Animes":       data.Animes,
+		"WatchlistMap": watchlistMap,
+	})
+}
+
+func (h *AnimeHandler) abortSectionFetch(c *gin.Context, event string, userID string, section string, err error) {
+	observability.WarnContext(c.Request.Context(),
+		event,
+		"anime",
+		"",
+		map[string]any{
+			"section": section,
+			"user_id": userID,
+		},
+		err,
+	)
+	c.AbortWithStatus(http.StatusInternalServerError)
+}