package main import ( "fmt" "log" "net/http" "github.com/bouncepaw/mycorrhiza/history" "github.com/bouncepaw/mycorrhiza/hyphae" "github.com/bouncepaw/mycorrhiza/markup" "github.com/bouncepaw/mycorrhiza/shroom" "github.com/bouncepaw/mycorrhiza/templates" "github.com/bouncepaw/mycorrhiza/user" "github.com/bouncepaw/mycorrhiza/util" ) func init() { // Those that do not actually mutate anything: http.HandleFunc("/edit/", handlerEdit) http.HandleFunc("/delete-ask/", handlerDeleteAsk) http.HandleFunc("/rename-ask/", handlerRenameAsk) http.HandleFunc("/unattach-ask/", handlerUnattachAsk) // And those that do mutate something: http.HandleFunc("/upload-binary/", handlerUploadBinary) http.HandleFunc("/upload-text/", handlerUploadText) http.HandleFunc("/delete-confirm/", handlerDeleteConfirm) http.HandleFunc("/rename-confirm/", handlerRenameConfirm) http.HandleFunc("/unattach-confirm/", handlerUnattachConfirm) } func factoryHandlerAsker( actionPath string, asker func(*user.User, *hyphae.Hypha) (error, string), succTitleTemplate string, succPageTemplate func(*http.Request, string, bool) string, ) func(http.ResponseWriter, *http.Request) { return func(w http.ResponseWriter, rq *http.Request) { log.Println(rq.URL) var ( hyphaName = HyphaNameFromRq(rq, actionPath) h = hyphae.ByName(hyphaName) u = user.FromRequest(rq) ) if err, errtitle := asker(u, h); err != nil { HttpErr( w, http.StatusInternalServerError, hyphaName, errtitle, err.Error()) return } util.HTTP200Page( w, base( fmt.Sprintf(succTitleTemplate, hyphaName), succPageTemplate(rq, hyphaName, h.Exists), u)) } } var handlerUnattachAsk = factoryHandlerAsker( "unattach-ask", shroom.CanUnattach, "Unattach %s?", templates.UnattachAskHTML, ) var handlerDeleteAsk = factoryHandlerAsker( "delete-ask", shroom.CanDelete, "Delete %s?", templates.DeleteAskHTML, ) var handlerRenameAsk = factoryHandlerAsker( "rename-ask", shroom.CanRename, "Rename %s?", templates.RenameAskHTML, ) func factoryHandlerConfirmer( actionPath string, confirmer func(*hyphae.Hypha, *user.User, *http.Request) (*history.HistoryOp, string), ) func(http.ResponseWriter, *http.Request) { return func(w http.ResponseWriter, rq *http.Request) { log.Println(rq.URL) var ( hyphaName = HyphaNameFromRq(rq, actionPath) h = hyphae.ByName(hyphaName) u = user.FromRequest(rq) ) if hop, errtitle := confirmer(h, u, rq); hop.HasErrors() { HttpErr(w, http.StatusInternalServerError, hyphaName, errtitle, hop.FirstErrorText()) return } http.Redirect(w, rq, "/hypha/"+hyphaName, http.StatusSeeOther) } } var handlerUnattachConfirm = factoryHandlerConfirmer( "unattach-confirm", func(h *hyphae.Hypha, u *user.User, _ *http.Request) (*history.HistoryOp, string) { return shroom.UnattachHypha(u, h) }, ) var handlerDeleteConfirm = factoryHandlerConfirmer( "delete-confirm", func(h *hyphae.Hypha, u *user.User, _ *http.Request) (*history.HistoryOp, string) { return shroom.DeleteHypha(u, h) }, ) var handlerRenameConfirm = factoryHandlerConfirmer( "rename-confirm", func(oldHypha *hyphae.Hypha, u *user.User, rq *http.Request) (*history.HistoryOp, string) { var ( newName = util.CanonicalName(rq.PostFormValue("new-name")) recursive = rq.PostFormValue("recursive") == "true" newHypha = hyphae.ByName(newName) ) return shroom.RenameHypha(oldHypha, newHypha, recursive, u) }, ) // handlerEdit shows the edit form. It doesn't edit anything actually. func handlerEdit(w http.ResponseWriter, rq *http.Request) { log.Println(rq.URL) var ( hyphaName = HyphaNameFromRq(rq, "edit") h = hyphae.ByName(hyphaName) warning string textAreaFill string err error u = user.FromRequest(rq) ) if err, errtitle := shroom.CanEdit(u, h); err != nil { HttpErr(w, http.StatusInternalServerError, hyphaName, errtitle, err.Error()) return } if h.Exists { textAreaFill, err = shroom.FetchTextPart(h) if err != nil { log.Println(err) HttpErr(w, http.StatusInternalServerError, hyphaName, "Error", "Could not fetch text data") return } } else { warning = `

You are creating a new hypha.

` } util.HTTP200Page( w, base( "Edit "+hyphaName, templates.EditHTML(rq, hyphaName, textAreaFill, warning), u)) } // handlerUploadText uploads a new text part for the hypha. func handlerUploadText(w http.ResponseWriter, rq *http.Request) { log.Println(rq.URL) var ( hyphaName = HyphaNameFromRq(rq, "upload-text") h = hyphae.ByName(hyphaName) textData = rq.PostFormValue("text") action = rq.PostFormValue("action") u = user.FromRequest(rq) hop *history.HistoryOp errtitle string ) if action != "Preview" { hop, errtitle = shroom.UploadText(h, []byte(textData), u) } if hop.HasErrors() { HttpErr(w, http.StatusForbidden, hyphaName, errtitle, hop.FirstErrorText()) return } if action == "Preview" { util.HTTP200Page( w, base( "Preview "+hyphaName, templates.PreviewHTML( rq, hyphaName, textData, "", markup.Doc(hyphaName, textData).AsHTML()), u)) } else { http.Redirect(w, rq, "/hypha/"+hyphaName, http.StatusSeeOther) } } // handlerUploadBinary uploads a new binary part for the hypha. func handlerUploadBinary(w http.ResponseWriter, rq *http.Request) { log.Println(rq.URL) rq.ParseMultipartForm(10 << 20) // Set upload limit var ( hyphaName = HyphaNameFromRq(rq, "upload-binary") h = hyphae.ByName(hyphaName) u = user.FromRequest(rq) file, handler, err = rq.FormFile("binary") ) if err != nil { HttpErr(w, http.StatusInternalServerError, hyphaName, "Error", err.Error()) } if err, errtitle := shroom.CanAttach(u, h); err != nil { HttpErr(w, http.StatusInternalServerError, hyphaName, errtitle, err.Error()) } // If file is not passed: if err != nil { return } // If file is passed: if file != nil { defer file.Close() } var ( mime = handler.Header.Get("Content-Type") hop, errtitle = shroom.UploadBinary(h, mime, file, u) ) if hop.HasErrors() { HttpErr(w, http.StatusInternalServerError, hyphaName, errtitle, hop.FirstErrorText()) return } http.Redirect(w, rq, "/hypha/"+hyphaName, http.StatusSeeOther) }