mirror of
https://github.com/Luzifer/go-latestver.git
synced 2024-11-08 15:10:04 +00:00
267 lines
7 KiB
Go
267 lines
7 KiB
Go
package main
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import (
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"encoding/json"
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"fmt"
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"net/http"
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"net/url"
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"sort"
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"strconv"
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"strings"
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"time"
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"github.com/gorilla/feeds"
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"github.com/gorilla/mux"
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"github.com/pkg/errors"
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"github.com/sirupsen/logrus"
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"github.com/Luzifer/go-latestver/internal/badge"
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"github.com/Luzifer/go-latestver/internal/config"
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"github.com/Luzifer/go-latestver/internal/database"
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"github.com/Luzifer/go-latestver/internal/fetcher"
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)
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type (
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apiCatalogEntry struct {
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database.CatalogEntry
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database.CatalogMeta
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}
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)
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func buildFullURL(u *url.URL, _ error) string {
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return strings.Join([]string{
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strings.TrimRight(cfg.BaseURL, "/"),
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strings.TrimLeft(u.String(), "/"),
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}, "/")
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}
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func catalogEntryToAPICatalogEntry(ce database.CatalogEntry) (apiCatalogEntry, error) {
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cm, err := storage.Catalog.GetMeta(&ce)
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if err != nil {
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return apiCatalogEntry{}, errors.Wrap(err, "fetching catalog meta")
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}
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for _, l := range fetcher.Get(ce.Fetcher).Links(ce.FetcherConfig) {
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var found bool
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for _, el := range ce.Links {
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if l.Name == el.Name {
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found = true
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break
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}
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}
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if !found {
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ce.Links = append(ce.Links, l)
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}
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}
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return apiCatalogEntry{CatalogEntry: ce, CatalogMeta: *cm}, nil
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}
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func handleBadge(w http.ResponseWriter, r *http.Request) {
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var (
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compare = r.FormValue("compare")
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vars = mux.Vars(r)
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name, tag = vars["name"], vars["tag"]
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)
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ce, err := configFile.CatalogEntryByTag(name, tag)
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if errors.Is(err, config.ErrCatalogEntryNotFound) {
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http.Error(w, "Not found", http.StatusNotFound)
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return
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}
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cm, err := storage.Catalog.GetMeta(&ce)
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if err != nil {
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http.Error(w, "Unable to fetch catalog data", http.StatusInternalServerError)
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return
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}
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color := "green"
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if compare != "" && compare != cm.CurrentVersion {
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color = "red"
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}
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svg := badge.Create(ce.Key(), cm.CurrentVersion, color)
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w.Header().Add("Content-Type", "image/svg+xml")
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if _, err = w.Write(svg); err != nil {
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logrus.WithError(err).Error("writing SVG response")
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}
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}
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func handleCatalogGet(w http.ResponseWriter, r *http.Request) {
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var (
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vars = mux.Vars(r)
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name, tag = vars["name"], vars["tag"]
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)
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ce, err := configFile.CatalogEntryByTag(name, tag)
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if errors.Is(err, config.ErrCatalogEntryNotFound) {
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http.Error(w, "Not found", http.StatusNotFound)
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return
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}
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ae, err := catalogEntryToAPICatalogEntry(ce)
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if err != nil {
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logrus.WithError(err).Error("Unable to fetch catalog data")
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http.Error(w, "Unable to fetch catalog data", http.StatusInternalServerError)
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return
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}
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w.Header().Set("Content-Type", "application/json")
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if err = json.NewEncoder(w).Encode(ae); err != nil {
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logrus.WithError(err).Error("Unable to encode catalog entry")
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http.Error(w, "Unable to encode catalog meta", http.StatusInternalServerError)
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return
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}
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}
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func handleCatalogGetVersion(w http.ResponseWriter, r *http.Request) {
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var (
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vars = mux.Vars(r)
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name, tag = vars["name"], vars["tag"]
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)
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ce, err := configFile.CatalogEntryByTag(name, tag)
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if errors.Is(err, config.ErrCatalogEntryNotFound) {
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http.Error(w, "Not found", http.StatusNotFound)
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return
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}
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cm, err := storage.Catalog.GetMeta(&ce)
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if err != nil {
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logrus.WithError(err).Error("Unable to fetch catalog meta")
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http.Error(w, "Unable to fetch catalog meta", http.StatusInternalServerError)
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return
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}
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w.Header().Set("Content-Type", "text/plain")
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fmt.Fprint(w, cm.CurrentVersion)
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}
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func handleCatalogList(w http.ResponseWriter, _ *http.Request) {
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out := make([]apiCatalogEntry, len(configFile.Catalog))
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for i := range configFile.Catalog {
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ce := configFile.Catalog[i]
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ae, err := catalogEntryToAPICatalogEntry(ce)
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if err != nil {
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logrus.WithError(err).Error("Unable to fetch catalog data")
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http.Error(w, "Unable to fetch catalog data", http.StatusInternalServerError)
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return
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}
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out[i] = ae
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}
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sort.Slice(out, func(i, j int) bool { return out[i].Key() < out[j].Key() })
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w.Header().Set("Content-Type", "application/json")
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if err := json.NewEncoder(w).Encode(out); err != nil {
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logrus.WithError(err).Error("Unable to encode catalog entry list")
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http.Error(w, "Unable to encode catalog meta", http.StatusInternalServerError)
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return
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}
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}
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func handleLog(w http.ResponseWriter, r *http.Request) {
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logs, err := prepareLogForRequest(r)
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switch err {
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case nil:
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// This is fine
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case config.ErrCatalogEntryNotFound:
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http.Error(w, "Not found", http.StatusNotFound)
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default:
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http.Error(w, "Unable to fetch logs", http.StatusInternalServerError)
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return
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}
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w.Header().Set("Content-Type", "application/json")
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if err = json.NewEncoder(w).Encode(logs); err != nil {
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logrus.WithError(err).Error("Unable to encode logs")
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http.Error(w, "Unable to encode logs", http.StatusInternalServerError)
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return
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}
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}
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func handleLogFeed(w http.ResponseWriter, r *http.Request) {
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vars := mux.Vars(r)
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logs, err := prepareLogForRequest(r)
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switch err {
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case nil:
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// This is fine
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case config.ErrCatalogEntryNotFound:
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http.Error(w, "Not found", http.StatusNotFound)
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default:
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http.Error(w, "Unable to fetch logs", http.StatusInternalServerError)
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return
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}
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feed := &feeds.Feed{
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Description: "Generated by go-latestver: https://github.com/Luzifer/go-latestver",
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Link: &feeds.Link{Href: buildFullURL(router.Get("catalog").URL())},
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Title: "Latestver Update Log",
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}
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if vars["name"] != "" {
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feed.Title = fmt.Sprintf("Latestver Update Log of %s:%s", vars["name"], vars["tag"])
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feed.Link.Href = buildFullURL(router.Get("catalog-entry").URL("name", vars["name"], "tag", vars["tag"]))
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}
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for _, le := range logs {
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feed.Add(&feeds.Item{
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Created: le.Timestamp.UTC(),
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Description: fmt.Sprintf("%s:%s updated to version %s from %s", le.CatalogName, le.CatalogTag, le.VersionTo, le.VersionFrom),
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Id: fmt.Sprintf("%s:%s-%s", le.CatalogName, le.CatalogTag, le.Timestamp.UTC().Format(time.RFC3339)),
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Link: &feeds.Link{Href: buildFullURL(router.Get("catalog-entry").URL("name", le.CatalogName, "tag", le.CatalogTag))},
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Title: fmt.Sprintf("%s:%s %s", le.CatalogName, le.CatalogTag, le.VersionTo),
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})
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}
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w.Header().Set("Content-Type", "application/rss+xml; charset=utf-8")
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if err = feed.WriteRss(w); err != nil {
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logrus.WithError(err).Error("Unable to render RSS")
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http.Error(w, "Unable to render RSS", http.StatusInternalServerError)
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return
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}
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}
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func prepareLogForRequest(r *http.Request) ([]database.LogEntry, error) {
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var (
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vars = mux.Vars(r)
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name, tag = vars["name"], vars["tag"]
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num, page = 25, 0
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ce database.CatalogEntry
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err error
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logs []database.LogEntry
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)
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if v, err := strconv.Atoi(r.FormValue("num")); err == nil && v > 0 && v < 100 {
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num = v
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}
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if v, err := strconv.Atoi(r.FormValue("page")); err == nil && v >= 0 {
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page = v
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}
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if name == "" && tag == "" {
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logs, err = storage.Logs.List(num, page)
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} else {
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ce, err = configFile.CatalogEntryByTag(name, tag)
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if errors.Is(err, config.ErrCatalogEntryNotFound) {
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return nil, config.ErrCatalogEntryNotFound
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}
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logs, err = storage.Logs.ListForCatalogEntry(&ce, num, page)
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}
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return logs, errors.Wrap(err, "listing log entries")
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}
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