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refactor: centralize jikan list constants

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This commit is contained in:
mkelvers
2026-04-14 22:23:11 +02:00
parent 697d0cc32f
commit 165963c9d2
4 changed files with 56 additions and 94 deletions
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111
internal/features/anime/handler.go
View File

@@ -6,6 +6,7 @@ import (
"log"
"net/http"
"strconv"
"strings"
"mal/internal/database"
"mal/internal/jikan"
@@ -29,6 +30,23 @@ type Handler struct {
svc *Service
}
type quickSearchResult struct {
ID int `json:"id"`
Title string `json:"title"`
Type string `json:"type"`
Image string `json:"image"`
}
func renderNotFoundPage(r *http.Request, w http.ResponseWriter) {
w.WriteHeader(http.StatusNotFound)
templates.NotFoundPage().Render(r.Context(), w)
}
func writeInlineLoadError(w http.ResponseWriter, message string) {
w.Header().Set("Content-Type", "text/html")
_, _ = w.Write([]byte(`<p style="color: var(--text-muted); font-size: var(--text-sm);">` + message + `</p>`))
}
func parsePageParam(r *http.Request) int {
page, _ := strconv.Atoi(r.URL.Query().Get("page"))
if page < 1 {
@@ -53,8 +71,7 @@ func NewHandler(svc *Service) *Handler {
func (h *Handler) HandleCatalog(w http.ResponseWriter, r *http.Request) {
if r.URL.Path != "/" {
w.WriteHeader(http.StatusNotFound)
templates.NotFoundPage().Render(r.Context(), w)
renderNotFoundPage(r, w)
return
}
templates.Catalog().Render(r.Context(), w)
@@ -110,7 +127,7 @@ func (h *Handler) HandleAPICatalog(w http.ResponseWriter, r *http.Request) {
}
if fallbackPlaceholder {
templates.CatalogPlaceholderItems(24).Render(r.Context(), w)
templates.CatalogPlaceholderItems(jikan.ListPageSize).Render(r.Context(), w)
return
}
@@ -123,8 +140,7 @@ func (h *Handler) HandleAnimeDetails(w http.ResponseWriter, r *http.Request) {
idStr := r.URL.Path[len("/anime/"):]
id, err := strconv.Atoi(idStr)
if err != nil || id <= 0 {
w.WriteHeader(http.StatusNotFound)
templates.NotFoundPage().Render(r.Context(), w)
renderNotFoundPage(r, w)
return
}
@@ -138,8 +154,7 @@ func (h *Handler) HandleAnimeDetails(w http.ResponseWriter, r *http.Request) {
}
if jikan.IsNotFoundError(err) {
w.WriteHeader(http.StatusNotFound)
templates.NotFoundPage().Render(r.Context(), w)
renderNotFoundPage(r, w)
return
}
@@ -151,55 +166,27 @@ func (h *Handler) HandleAnimeDetails(w http.ResponseWriter, r *http.Request) {
templates.AnimeDetails(anime, currentStatus).Render(r.Context(), w)
}
func (h *Handler) HandleAPIAnimeRelations(w http.ResponseWriter, r *http.Request) {
path := r.URL.Path[len("/api/anime/"):]
idStr := ""
for i, c := range path {
if c == '/' {
idStr = path[:i]
break
}
}
id, _ := strconv.Atoi(idStr)
if id <= 0 {
http.Error(w, "invalid id", http.StatusBadRequest)
return
}
relations, err := h.svc.GetRelations(r.Context(), id)
if err != nil {
log.Printf("failed to get relations for anime %d: %v", id, err)
http.Error(w, "Failed to load relations", http.StatusInternalServerError)
return
}
templates.AnimeRelationsList(relations).Render(r.Context(), w)
}
// HandleAPIAnime routes anime API requests
func (h *Handler) HandleAPIAnime(w http.ResponseWriter, r *http.Request) {
path := r.URL.Path[len("/api/anime/"):]
// Parse: {id}/relations or {id}/recommendations
parts := splitPath(path)
if len(parts) < 2 {
idPart, section, ok := strings.Cut(path, "/")
if !ok || section == "" {
http.Error(w, "invalid path", http.StatusBadRequest)
return
}
id, err := strconv.Atoi(parts[0])
id, err := strconv.Atoi(idPart)
if err != nil || id <= 0 {
http.Error(w, "invalid id", http.StatusBadRequest)
return
}
switch parts[1] {
switch section {
case "relations":
relations, err := h.svc.GetRelations(r.Context(), id)
if err != nil {
log.Printf("relations error for %d: %v", id, err)
w.Header().Set("Content-Type", "text/html")
w.Write([]byte(`<p style="color: var(--text-muted); font-size: var(--text-sm);">Failed to load relations.</p>`))
writeInlineLoadError(w, "Failed to load relations.")
return
}
templates.AnimeRelationsList(relations).Render(r.Context(), w)
@@ -207,69 +194,40 @@ func (h *Handler) HandleAPIAnime(w http.ResponseWriter, r *http.Request) {
recs, err := h.svc.GetRecommendations(r.Context(), id, 12)
if err != nil {
log.Printf("recommendations error for %d: %v", id, err)
w.Header().Set("Content-Type", "text/html")
w.Write([]byte(`<p style="color: var(--text-muted); font-size: var(--text-sm);">Failed to load recommendations.</p>`))
writeInlineLoadError(w, "Failed to load recommendations.")
return
}
templates.AnimeRecommendations(recs).Render(r.Context(), w)
default:
w.WriteHeader(http.StatusNotFound)
templates.NotFoundPage().Render(r.Context(), w)
renderNotFoundPage(r, w)
}
}
func splitPath(path string) []string {
var parts []string
var current string
for _, c := range path {
if c == '/' {
if current != "" {
parts = append(parts, current)
current = ""
}
} else {
current += string(c)
}
}
if current != "" {
parts = append(parts, current)
}
return parts
}
func (h *Handler) HandleQuickSearch(w http.ResponseWriter, r *http.Request) {
w.Header().Set("Content-Type", "application/json")
query := r.URL.Query().Get("q")
if query == "" {
w.Header().Set("Content-Type", "application/json")
w.WriteHeader(http.StatusOK)
json.NewEncoder(w).Encode([]any{})
json.NewEncoder(w).Encode([]quickSearchResult{})
return
}
res, err := h.svc.Search(r.Context(), query, 1)
if err != nil {
log.Printf("quick search error: %v", err)
w.Header().Set("Content-Type", "application/json")
w.WriteHeader(http.StatusInternalServerError)
return
}
// Limit to 5 results
results := res.Animes
if len(results) > 5 {
results = results[:5]
}
type SearchResult struct {
ID int `json:"id"`
Title string `json:"title"`
Type string `json:"type"`
Image string `json:"image"`
}
output := make([]SearchResult, len(results))
output := make([]quickSearchResult, len(results))
for i, anime := range results {
output[i] = SearchResult{
output[i] = quickSearchResult{
ID: anime.MalID,
Title: anime.DisplayTitle(),
Type: anime.Type,
@@ -277,7 +235,6 @@ func (h *Handler) HandleQuickSearch(w http.ResponseWriter, r *http.Request) {
}
}
w.Header().Set("Content-Type", "application/json")
w.WriteHeader(http.StatusOK)
json.NewEncoder(w).Encode(output)
}

7
internal/jikan/constants.go Normal file
View File

@@ -0,0 +1,7 @@
package jikan
import "time"
const ListPageSize = 24
const shortCacheTTL = time.Hour

13
internal/jikan/search.go
View File

@@ -4,7 +4,6 @@ import (
"context"
"fmt"
"net/url"
"time"
)
func (c *Client) Search(ctx context.Context, query string, page int) (SearchResult, error) {
@@ -15,7 +14,7 @@ func (c *Client) Search(ctx context.Context, query string, page int) (SearchResu
page = 1
}
cacheKey := fmt.Sprintf("search:limit24:%s:%d", query, page)
cacheKey := fmt.Sprintf("search:limit%d:%s:%d", ListPageSize, query, page)
var cached SearchResult
if c.getCache(ctx, cacheKey, &cached) {
return cached, nil
@@ -25,7 +24,7 @@ func (c *Client) Search(ctx context.Context, query string, page int) (SearchResu
hasStale := c.getStaleCache(ctx, cacheKey, &stale)
var result SearchResponse
reqURL := fmt.Sprintf("%s/anime?q=%s&limit=24&page=%d", c.baseURL, url.QueryEscape(query), page)
reqURL := fmt.Sprintf("%s/anime?q=%s&limit=%d&page=%d", c.baseURL, url.QueryEscape(query), ListPageSize, page)
if err := c.fetchWithRetry(ctx, reqURL, &result); err != nil {
if hasStale {
@@ -40,7 +39,7 @@ func (c *Client) Search(ctx context.Context, query string, page int) (SearchResu
HasNextPage: result.Pagination.HasNextPage,
}
c.setCache(ctx, cacheKey, res, time.Hour*1)
c.setCache(ctx, cacheKey, res, shortCacheTTL)
return res, nil
}
@@ -48,7 +47,7 @@ func (c *Client) GetTopAnime(ctx context.Context, page int) (TopAnimeResult, err
if page < 1 {
page = 1
}
cacheKey := fmt.Sprintf("top:limit24:%d", page)
cacheKey := fmt.Sprintf("top:limit%d:%d", ListPageSize, page)
var cached TopAnimeResult
if c.getCache(ctx, cacheKey, &cached) {
return cached, nil
@@ -58,7 +57,7 @@ func (c *Client) GetTopAnime(ctx context.Context, page int) (TopAnimeResult, err
hasStale := c.getStaleCache(ctx, cacheKey, &stale)
var result TopAnimeResponse
reqURL := fmt.Sprintf("%s/top/anime?filter=bypopularity&limit=24&page=%d", c.baseURL, page)
reqURL := fmt.Sprintf("%s/top/anime?filter=bypopularity&limit=%d&page=%d", c.baseURL, ListPageSize, page)
if err := c.fetchWithRetry(ctx, reqURL, &result); err != nil {
if hasStale {
@@ -73,6 +72,6 @@ func (c *Client) GetTopAnime(ctx context.Context, page int) (TopAnimeResult, err
HasNextPage: result.Pagination.HasNextPage,
}
c.setCache(ctx, cacheKey, res, time.Hour*1)
c.setCache(ctx, cacheKey, res, shortCacheTTL)
return res, nil
}

19
internal/jikan/seasons.go
View File

@@ -4,7 +4,6 @@ import (
"context"
"fmt"
"strings"
"time"
)
type ScheduleResult struct {
@@ -14,7 +13,7 @@ type ScheduleResult struct {
func (c *Client) GetSchedule(ctx context.Context, day string) (ScheduleResult, error) {
day = strings.ToLower(day)
cacheKey := fmt.Sprintf("schedule_limit24_%s", day)
cacheKey := fmt.Sprintf("schedule_limit%d_%s", ListPageSize, day)
var cached ScheduleResult
if c.getCache(ctx, cacheKey, &cached) {
@@ -25,7 +24,7 @@ func (c *Client) GetSchedule(ctx context.Context, day string) (ScheduleResult, e
hasStale := c.getStaleCache(ctx, cacheKey, &stale)
var result TopAnimeResponse
reqURL := fmt.Sprintf("%s/schedules?filter=%s&sfw=true&limit=24", c.baseURL, day)
reqURL := fmt.Sprintf("%s/schedules?filter=%s&sfw=true&limit=%d", c.baseURL, day, ListPageSize)
if err := c.fetchWithRetry(ctx, reqURL, &result); err != nil {
if hasStale {
return stale, nil
@@ -39,7 +38,7 @@ func (c *Client) GetSchedule(ctx context.Context, day string) (ScheduleResult, e
HasNextPage: result.Pagination.HasNextPage,
}
c.setCache(ctx, cacheKey, res, time.Hour*1)
c.setCache(ctx, cacheKey, res, shortCacheTTL)
return res, nil
}
@@ -62,7 +61,7 @@ func (c *Client) GetSeasonsNow(ctx context.Context, page int) (TopAnimeResult, e
if page < 1 {
page = 1
}
cacheKey := fmt.Sprintf("seasons_now_limit24:%d", page)
cacheKey := fmt.Sprintf("seasons_now_limit%d:%d", ListPageSize, page)
var cached TopAnimeResult
if c.getCache(ctx, cacheKey, &cached) {
return cached, nil
@@ -72,7 +71,7 @@ func (c *Client) GetSeasonsNow(ctx context.Context, page int) (TopAnimeResult, e
hasStale := c.getStaleCache(ctx, cacheKey, &stale)
var result TopAnimeResponse
reqURL := fmt.Sprintf("%s/seasons/now?limit=24&page=%d", c.baseURL, page)
reqURL := fmt.Sprintf("%s/seasons/now?limit=%d&page=%d", c.baseURL, ListPageSize, page)
if err := c.fetchWithRetry(ctx, reqURL, &result); err != nil {
if hasStale {
return stale, nil
@@ -86,7 +85,7 @@ func (c *Client) GetSeasonsNow(ctx context.Context, page int) (TopAnimeResult, e
HasNextPage: result.Pagination.HasNextPage,
}
c.setCache(ctx, cacheKey, res, time.Hour*1)
c.setCache(ctx, cacheKey, res, shortCacheTTL)
return res, nil
}
@@ -94,7 +93,7 @@ func (c *Client) GetSeasonsUpcoming(ctx context.Context, page int) (TopAnimeResu
if page < 1 {
page = 1
}
cacheKey := fmt.Sprintf("seasons_upcoming_limit24:%d", page)
cacheKey := fmt.Sprintf("seasons_upcoming_limit%d:%d", ListPageSize, page)
var cached TopAnimeResult
if c.getCache(ctx, cacheKey, &cached) {
return cached, nil
@@ -104,7 +103,7 @@ func (c *Client) GetSeasonsUpcoming(ctx context.Context, page int) (TopAnimeResu
hasStale := c.getStaleCache(ctx, cacheKey, &stale)
var result TopAnimeResponse
reqURL := fmt.Sprintf("%s/seasons/upcoming?limit=24&page=%d", c.baseURL, page)
reqURL := fmt.Sprintf("%s/seasons/upcoming?limit=%d&page=%d", c.baseURL, ListPageSize, page)
if err := c.fetchWithRetry(ctx, reqURL, &result); err != nil {
if hasStale {
return stale, nil
@@ -118,6 +117,6 @@ func (c *Client) GetSeasonsUpcoming(ctx context.Context, page int) (TopAnimeResu
HasNextPage: result.Pagination.HasNextPage,
}
c.setCache(ctx, cacheKey, res, time.Hour*1)
c.setCache(ctx, cacheKey, res, shortCacheTTL)
return res, nil
}