mirror of
https://github.com/osmarks/mycorrhiza.git
synced 2025-01-09 11:00:25 +00:00
88 lines
2.6 KiB
Go
88 lines
2.6 KiB
Go
// Package histview provides web stuff for history
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package histview
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import (
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"embed"
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"encoding/hex"
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"github.com/bouncepaw/mycorrhiza/cfg"
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"github.com/bouncepaw/mycorrhiza/history"
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"github.com/bouncepaw/mycorrhiza/hyphae"
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"github.com/bouncepaw/mycorrhiza/util"
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"github.com/bouncepaw/mycorrhiza/viewutil"
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"github.com/gorilla/mux"
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"log"
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"net/http"
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"strings"
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"text/template"
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)
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func InitHandlers(rtr *mux.Router) {
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rtr.PathPrefix("/primitive-diff/").HandlerFunc(handlerPrimitiveDiff)
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chainPrimitiveDiff = viewutil.
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En(viewutil.CopyEnWith(fs, "view_primitive_diff.html")).
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Ru(template.Must(viewutil.CopyRuWith(fs, "view_primitive_diff.html").Parse(ruTranslation)))
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}
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func handlerPrimitiveDiff(w http.ResponseWriter, rq *http.Request) {
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util.PrepareRq(rq)
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shorterURL := strings.TrimPrefix(rq.URL.Path, "/primitive-diff/")
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revHash, slug, found := strings.Cut(shorterURL, "/")
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if !found || len(revHash) < 7 || len(slug) < 1 {
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http.Error(w, "403 bad request", http.StatusBadRequest)
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return
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}
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paddedRevHash := revHash
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if len(paddedRevHash)%2 != 0 {
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paddedRevHash = paddedRevHash[:len(paddedRevHash)-1]
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}
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if _, err := hex.DecodeString(paddedRevHash); err != nil {
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http.Error(w, "403 bad request", http.StatusBadRequest)
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return
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}
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switch h := hyphae.ByName(util.CanonicalName(slug)).(type) {
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case *hyphae.EmptyHypha:
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http.Error(w, "404 not found", http.StatusNotFound)
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case hyphae.ExistingHypha:
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text, err := history.PrimitiveDiffAtRevision(h.TextFilePath(), revHash)
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if err != nil {
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http.Error(w, err.Error(), http.StatusInternalServerError)
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return
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}
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primitiveDiff(viewutil.MetaFrom(w, rq), h, revHash, text)
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}
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}
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var (
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//go:embed *.html
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fs embed.FS
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ruTranslation = `
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{{define "diff for at title"}}Разница для {{beautifulName .HyphaName}} для {{.Hash}}{{end}}
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{{define "diff for at heading"}}Разница для <a href="/hypha/{{.HyphaName}}">{{beautifulName .HyphaName}}</a> для {{.Hash}}{{end}}
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`
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chainPrimitiveDiff viewutil.Chain
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)
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type primitiveDiffData struct {
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viewutil.BaseData
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HyphaName string
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Hash string
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Text string
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}
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func primitiveDiff(meta viewutil.Meta, h hyphae.ExistingHypha, hash, text string) {
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if err := chainPrimitiveDiff.Get(meta).ExecuteTemplate(meta.W, "page", primitiveDiffData{
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BaseData: viewutil.BaseData{
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Meta: meta,
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Addr: "/primitive-diff/" + hash + "/" + h.CanonicalName(),
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HeaderLinks: cfg.HeaderLinks,
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CommonScripts: cfg.CommonScripts,
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},
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HyphaName: h.CanonicalName(),
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Hash: hash,
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Text: text,
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}); err != nil {
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log.Println(err)
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}
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}
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