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feat: add comments and cleanup unused imports across codebase

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This commit is contained in:
mkelvers
2026-05-10 20:00:04 +02:00
parent b152e246ff
commit e48d95cb4e
68 changed files with 560 additions and 88 deletions
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21
integrations/watchorder/watch_order.go
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@@ -15,7 +15,9 @@ import (
const defaultUserAgent = "Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/135.0.0.0 Safari/537.36"
// idPattern extracts the watch order ID from chiaki.site URLs
var idPattern = regexp.MustCompile(`/id/(\d+)`)
// malLinkPattern extracts MAL IDs from watch order entries
var malLinkPattern = regexp.MustCompile(`myanimelist\.net/anime/(\d+)`)
var ErrInvalidWatchOrderURL = errors.New("invalid watch order url")
@@ -46,10 +48,10 @@ func (e *HTTPStatusError) Error() string {
}
type WatchOrderEntry struct {
ID int `json:"id"`
Type string `json:"type"`
Title string `json:"title"`
TitleAlt string `json:"title_alt,omitempty"`
ID int `json:"id"` // MAL anime ID
Type string `json:"type"` // anime type label (e.g. "TV", "Movie")
Title string `json:"title"` // primary title
TitleAlt string `json:"title_alt,omitempty"` // alternative title
}
type WatchOrderResult struct {
@@ -106,6 +108,7 @@ func fetchDocument(ctx context.Context, httpClient *http.Client, url string) (*g
defer response.Body.Close()
if response.StatusCode != http.StatusOK {
// limit body read for error context; avoid reading large error pages
body, _ := io.ReadAll(io.LimitReader(response.Body, 512))
return nil, &HTTPStatusError{
StatusCode: response.StatusCode,
@@ -198,6 +201,8 @@ func hasWatchOrderTable(doc *goquery.Document) bool {
return doc.Find("#wo_list").Length() > 0
}
// shouldTryProxy returns true for transient errors where the Jina proxy may help
// (e.g. Cloudflare blocking, rate limits)
func shouldTryProxy(err error) bool {
var statusError *HTTPStatusError
if errors.As(err, &statusError) {
@@ -243,6 +248,8 @@ func fetchProxyText(ctx context.Context, httpClient *http.Client, url string) (s
return string(body), nil
}
// parseJinaEntries parses Jina proxy output, which contains one line per entry
// in format: "title | type | https://myanimelist.net/anime/ID"
func parseJinaEntries(text string) []WatchOrderEntry {
lines := strings.Split(text, "\n")
entries := make([]WatchOrderEntry, 0)
@@ -312,6 +319,8 @@ func isNoiseTitleLine(value string) bool {
return false
}
// titleFromContext looks backward from metaIndex to find the actual title lines.
// It skips noise lines (URLs, metadata prefixes, etc.) and returns (primary, alt).
func titleFromContext(lines []string, metaIndex int) (string, string) {
collected := make([]string, 0, 2)
@@ -340,6 +349,7 @@ func titleFromContext(lines []string, metaIndex int) (string, string) {
return collected[0], ""
}
// reversed order: older lines first -> title, newer -> alt
return collected[1], collected[0]
}
@@ -357,6 +367,8 @@ func fetchViaProxy(ctx context.Context, httpClient *http.Client, url string, roo
return WatchOrderResult{ID: rootID, WatchOrder: entries}, nil
}
// FetchWatchOrder fetches the watch order from chiaki.site.
// Falls back to the Jina proxy if the site is blocked or returns an empty table.
func FetchWatchOrder(ctx context.Context, httpClient *http.Client, url string) (WatchOrderResult, error) {
rootID, err := parseRootID(url)
if err != nil {
@@ -371,6 +383,7 @@ func FetchWatchOrder(ctx context.Context, httpClient *http.Client, url string) (
return WatchOrderResult{}, err
}
// empty table indicates JS-rendered content; need proxy
if !hasWatchOrderTable(doc) {
return fetchViaProxy(ctx, httpClient, url, rootID)
}