mirror of
https://github.com/osmarks/mycorrhiza.git
synced 2024-10-30 19:56:16 +00:00
79 lines
2.6 KiB
Go
79 lines
2.6 KiB
Go
package web
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import (
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"fmt"
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"log"
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"net/http"
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"strconv"
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"github.com/gorilla/mux"
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"github.com/bouncepaw/mycorrhiza/history"
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"github.com/bouncepaw/mycorrhiza/user"
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"github.com/bouncepaw/mycorrhiza/util"
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"github.com/bouncepaw/mycorrhiza/views"
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)
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func initHistory(r *mux.Router) {
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r.PathPrefix("/history/").HandlerFunc(handlerHistory)
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r.HandleFunc("/recent-changes/{count:[0-9]+}", handlerRecentChanges)
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r.HandleFunc("/recent-changes/", func(w http.ResponseWriter, rq *http.Request) {
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http.Redirect(w, rq, "/recent-changes/20", http.StatusSeeOther)
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})
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r.HandleFunc("/recent-changes-rss", handlerRecentChangesRSS)
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r.HandleFunc("/recent-changes-atom", handlerRecentChangesAtom)
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r.HandleFunc("/recent-changes-json", handlerRecentChangesJSON)
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}
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// handlerHistory lists all revisions of a hypha.
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func handlerHistory(w http.ResponseWriter, rq *http.Request) {
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hyphaName := util.HyphaNameFromRq(rq, "history")
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var list string
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// History can be found for files that do not exist anymore.
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revs, err := history.Revisions(hyphaName)
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if err == nil {
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list = history.HistoryWithRevisions(hyphaName, revs)
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}
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log.Println("Found", len(revs), "revisions for", hyphaName)
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util.HTTP200Page(w, views.BaseHTML(
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fmt.Sprintf("History of %s", util.BeautifulName(hyphaName)),
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views.HistoryHTML(rq, hyphaName, list),
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user.FromRequest(rq)))
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}
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// handlerRecentChanges displays the /recent-changes/ page.
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func handlerRecentChanges(w http.ResponseWriter, rq *http.Request) {
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// Error ignored: filtered by regex
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n, _ := strconv.Atoi(mux.Vars(rq)["count"])
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util.HTTP200Page(w, views.BaseHTML(strconv.Itoa(n)+" recent changes", views.RecentChangesHTML(n), user.FromRequest(rq)))
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}
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// genericHandlerOfFeeds is a helper function for the web feed handlers.
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func genericHandlerOfFeeds(w http.ResponseWriter, rq *http.Request, f func() (string, error), name string) {
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if content, err := f(); err != nil {
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w.Header().Set("Content-Type", "text/plain;charset=utf-8")
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w.WriteHeader(http.StatusInternalServerError)
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fmt.Fprint(w, "An error while generating "+name+": "+err.Error())
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} else {
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w.Header().Set("Content-Type", "application/rss+xml")
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w.WriteHeader(http.StatusOK)
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fmt.Fprint(w, content)
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}
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}
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func handlerRecentChangesRSS(w http.ResponseWriter, rq *http.Request) {
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genericHandlerOfFeeds(w, rq, history.RecentChangesRSS, "RSS")
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}
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func handlerRecentChangesAtom(w http.ResponseWriter, rq *http.Request) {
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genericHandlerOfFeeds(w, rq, history.RecentChangesAtom, "Atom")
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}
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func handlerRecentChangesJSON(w http.ResponseWriter, rq *http.Request) {
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genericHandlerOfFeeds(w, rq, history.RecentChangesJSON, "JSON feed")
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}
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