mirror of
https://github.com/osmarks/mycorrhiza.git
synced 2024-10-30 19:56:16 +00:00
276 lines
7.5 KiB
Go
276 lines
7.5 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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"github.com/bouncepaw/mycomarkup/v3"
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"github.com/bouncepaw/mycomarkup/v3/mycocontext"
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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/hyphae"
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"github.com/bouncepaw/mycorrhiza/l18n"
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"github.com/bouncepaw/mycorrhiza/shroom"
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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 initMutators(r *mux.Router) {
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// Those that do not actually mutate anything:
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r.PathPrefix("/edit/").HandlerFunc(handlerEdit)
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r.PathPrefix("/delete-ask/").HandlerFunc(handlerDeleteAsk)
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r.PathPrefix("/rename-ask/").HandlerFunc(handlerRenameAsk)
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r.PathPrefix("/unattach-ask/").HandlerFunc(handlerUnattachAsk)
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// And those that do mutate something:
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r.PathPrefix("/upload-binary/").HandlerFunc(handlerUploadBinary)
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r.PathPrefix("/upload-text/").HandlerFunc(handlerUploadText)
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r.PathPrefix("/delete-confirm/").HandlerFunc(handlerDeleteConfirm)
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r.PathPrefix("/rename-confirm/").HandlerFunc(handlerRenameConfirm)
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r.PathPrefix("/unattach-confirm/").HandlerFunc(handlerUnattachConfirm)
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}
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func factoryHandlerAsker(
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actionPath string,
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asker func(*user.User, *hyphae.Hypha, *l18n.Localizer) (string, error),
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succTitleKey string,
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succPageTemplate func(*http.Request, string, bool) string,
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) func(http.ResponseWriter, *http.Request) {
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return func(w http.ResponseWriter, rq *http.Request) {
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util.PrepareRq(rq)
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var (
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hyphaName = util.HyphaNameFromRq(rq, actionPath)
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h = hyphae.ByName(hyphaName)
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u = user.FromRequest(rq)
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lc = l18n.FromRequest(rq)
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)
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if errtitle, err := asker(u, h, lc); err != nil {
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httpErr(
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w,
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lc,
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http.StatusInternalServerError,
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hyphaName,
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errtitle,
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err.Error())
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return
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}
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util.HTTP200Page(
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w,
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views.BaseHTML(
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fmt.Sprintf(lc.Get(succTitleKey), util.BeautifulName(hyphaName)),
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succPageTemplate(rq, hyphaName, h.Exists),
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lc,
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u))
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}
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}
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var handlerUnattachAsk = factoryHandlerAsker(
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"unattach-ask",
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shroom.CanUnattach,
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"ui.ask_unattach",
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views.UnattachAskHTML,
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)
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var handlerDeleteAsk = factoryHandlerAsker(
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"delete-ask",
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shroom.CanDelete,
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"ui.ask_delete",
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views.DeleteAskHTML,
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)
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var handlerRenameAsk = factoryHandlerAsker(
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"rename-ask",
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shroom.CanRename,
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"ui.ask_rename",
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views.RenameAskHTML,
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)
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func factoryHandlerConfirmer(
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actionPath string,
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confirmer func(*hyphae.Hypha, *user.User, *http.Request) (*history.Op, string),
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) func(http.ResponseWriter, *http.Request) {
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return func(w http.ResponseWriter, rq *http.Request) {
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util.PrepareRq(rq)
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var (
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hyphaName = util.HyphaNameFromRq(rq, actionPath)
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h = hyphae.ByName(hyphaName)
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u = user.FromRequest(rq)
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lc = l18n.FromRequest(rq)
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)
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if hop, errtitle := confirmer(h, u, rq); hop.HasErrors() {
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httpErr(w, lc, http.StatusInternalServerError, hyphaName,
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errtitle,
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hop.FirstErrorText())
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return
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}
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http.Redirect(w, rq, "/hypha/"+hyphaName, http.StatusSeeOther)
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}
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}
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var handlerUnattachConfirm = factoryHandlerConfirmer(
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"unattach-confirm",
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func(h *hyphae.Hypha, u *user.User, rq *http.Request) (*history.Op, string) {
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return shroom.UnattachHypha(u, h, l18n.FromRequest(rq))
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},
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)
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var handlerDeleteConfirm = factoryHandlerConfirmer(
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"delete-confirm",
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func(h *hyphae.Hypha, u *user.User, rq *http.Request) (*history.Op, string) {
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return shroom.DeleteHypha(u, h, l18n.FromRequest(rq))
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},
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)
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// handlerRenameConfirm should redirect to the new hypha, thus it's out of factory
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func handlerRenameConfirm(w http.ResponseWriter, rq *http.Request) {
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util.PrepareRq(rq)
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var (
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u = user.FromRequest(rq)
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lc = l18n.FromRequest(rq)
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hyphaName = util.HyphaNameFromRq(rq, "rename-confirm")
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oldHypha = hyphae.ByName(hyphaName)
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newName = util.CanonicalName(rq.PostFormValue("new-name"))
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newHypha = hyphae.ByName(newName)
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recursive = rq.PostFormValue("recursive") == "true"
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)
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hop, errtitle := shroom.RenameHypha(oldHypha, newHypha, recursive, u, lc)
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if hop.HasErrors() {
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httpErr(w, lc, http.StatusInternalServerError, hyphaName,
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errtitle,
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hop.FirstErrorText())
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return
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}
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http.Redirect(w, rq, "/hypha/"+newName, http.StatusSeeOther)
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}
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// handlerEdit shows the edit form. It doesn't edit anything actually.
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func handlerEdit(w http.ResponseWriter, rq *http.Request) {
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util.PrepareRq(rq)
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var (
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hyphaName = util.HyphaNameFromRq(rq, "edit")
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h = hyphae.ByName(hyphaName)
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warning string
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textAreaFill string
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err error
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u = user.FromRequest(rq)
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lc = l18n.FromRequest(rq)
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)
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if errtitle, err := shroom.CanEdit(u, h, lc); err != nil {
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httpErr(w, lc, http.StatusInternalServerError, hyphaName,
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errtitle,
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err.Error())
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return
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}
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if h.Exists {
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textAreaFill, err = shroom.FetchTextPart(h)
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if err != nil {
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log.Println(err)
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httpErr(w, lc, http.StatusInternalServerError, hyphaName,
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lc.Get("ui.error"),
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lc.Get("ui.error_text_fetch"))
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return
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}
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} else {
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warning = fmt.Sprintf(`<p class="warning warning_new-hypha">%s</p>`, lc.Get("edit.new_hypha"))
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}
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util.HTTP200Page(
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w,
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views.BaseHTML(
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fmt.Sprintf(lc.Get("edit.title"), util.BeautifulName(hyphaName)),
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views.EditHTML(rq, hyphaName, textAreaFill, warning),
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lc,
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u))
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}
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// handlerUploadText uploads a new text part for the hypha.
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func handlerUploadText(w http.ResponseWriter, rq *http.Request) {
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util.PrepareRq(rq)
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var (
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hyphaName = util.HyphaNameFromRq(rq, "upload-text")
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h = hyphae.ByName(hyphaName)
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textData = rq.PostFormValue("text")
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action = rq.PostFormValue("action")
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message = rq.PostFormValue("message")
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u = user.FromRequest(rq)
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lc = l18n.FromRequest(rq)
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hop *history.Op
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errtitle string
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)
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if action != "Preview" {
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hop, errtitle = shroom.UploadText(h, []byte(textData), message, u, lc)
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if hop.HasErrors() {
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httpErr(w, lc, http.StatusForbidden, hyphaName,
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errtitle,
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hop.FirstErrorText())
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return
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}
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}
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if action == "Preview" {
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ctx, _ := mycocontext.ContextFromStringInput(hyphaName, textData)
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util.HTTP200Page(
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w,
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views.BaseHTML(
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fmt.Sprintf(lc.Get("edit.preview_title"), util.BeautifulName(hyphaName)),
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views.PreviewHTML(
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rq,
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hyphaName,
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textData,
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message,
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"",
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mycomarkup.BlocksToHTML(ctx, mycomarkup.BlockTree(ctx))),
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lc,
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u))
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} else {
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http.Redirect(w, rq, "/hypha/"+hyphaName, http.StatusSeeOther)
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}
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}
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// handlerUploadBinary uploads a new attachment for the hypha.
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func handlerUploadBinary(w http.ResponseWriter, rq *http.Request) {
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util.PrepareRq(rq)
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rq.ParseMultipartForm(10 << 20) // Set upload limit
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var (
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hyphaName = util.HyphaNameFromRq(rq, "upload-binary")
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h = hyphae.ByName(hyphaName)
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u = user.FromRequest(rq)
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lc = l18n.FromRequest(rq)
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file, handler, err = rq.FormFile("binary")
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)
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if err != nil {
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httpErr(w, lc, http.StatusInternalServerError, hyphaName,
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lc.Get("ui.error"),
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err.Error())
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}
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if errtitle, err := shroom.CanAttach(u, h, lc); err != nil {
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httpErr(w, lc, http.StatusInternalServerError, hyphaName,
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errtitle,
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err.Error())
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}
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// If file is not passed:
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if err != nil {
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return
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}
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// If file is passed:
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if file != nil {
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defer file.Close()
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}
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var (
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mime = handler.Header.Get("Content-Type")
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hop, errtitle = shroom.UploadBinary(h, mime, file, u, lc)
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)
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if hop.HasErrors() {
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httpErr(w, lc, http.StatusInternalServerError, hyphaName, errtitle, hop.FirstErrorText())
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return
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}
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http.Redirect(w, rq, "/hypha/"+hyphaName, http.StatusSeeOther)
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}
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