mirror of
https://github.com/osmarks/mycorrhiza.git
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88 lines
2.5 KiB
Go
88 lines
2.5 KiB
Go
package shroom
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import (
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"errors"
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"fmt"
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"io/ioutil"
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"log"
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"mime/multipart"
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"os"
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"path/filepath"
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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/mimetype"
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"github.com/bouncepaw/mycorrhiza/user"
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"github.com/bouncepaw/mycorrhiza/util"
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)
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func UploadText(h *hyphae.Hypha, data []byte, u *user.User) (hop *history.HistoryOp, errtitle string) {
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hop = history.Operation(history.TypeEditText)
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if h.Exists {
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hop.WithMsg(fmt.Sprintf("Edit ‘%s’", h.Name))
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} else {
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hop.WithMsg(fmt.Sprintf("Create ‘%s’", h.Name))
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}
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if err, errtitle := CanEdit(u, h); err != nil {
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return hop.WithError(err), errtitle
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}
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if len(data) == 0 {
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return hop.WithError(errors.New("No data passed")), "Empty"
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}
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return uploadHelp(h, hop, ".myco", data, u)
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}
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func UploadBinary(h *hyphae.Hypha, mime string, file multipart.File, u *user.User) (*history.HistoryOp, string) {
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var (
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hop = history.Operation(history.TypeEditBinary).WithMsg(fmt.Sprintf("Upload binary part for ‘%s’ with type ‘%s’", h.Name, mime))
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data, err = ioutil.ReadAll(file)
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)
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if err != nil {
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return hop.WithError(err), err.Error()
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}
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if err, errtitle := CanAttach(u, h); err != nil {
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return hop.WithError(err), errtitle
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}
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if len(data) == 0 {
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return hop.WithError(errors.New("No data passed")), "Empty"
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}
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return uploadHelp(h, hop, mimetype.ToExtension(mime), data, u)
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}
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// uploadHelp is a helper function for UploadText and UploadBinary
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func uploadHelp(h *hyphae.Hypha, hop *history.HistoryOp, ext string, data []byte, u *user.User) (*history.HistoryOp, string) {
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var (
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fullPath = filepath.Join(util.WikiDir, h.Name+ext)
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originalFullPath = &h.TextPath
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)
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if hop.Type == history.TypeEditBinary {
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originalFullPath = &h.BinaryPath
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}
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if err := os.MkdirAll(filepath.Dir(fullPath), 0777); err != nil {
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return hop.WithError(err), err.Error()
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}
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if err := ioutil.WriteFile(fullPath, data, 0644); err != nil {
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return hop.WithError(err), err.Error()
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}
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if h.Exists && *originalFullPath != fullPath && *originalFullPath != "" {
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if err := history.Rename(*originalFullPath, fullPath); err != nil {
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return hop.WithError(err), err.Error()
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}
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log.Println("Move", *originalFullPath, "to", fullPath)
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}
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h.InsertIfNew()
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if h.Exists && h.TextPath != "" && hop.Type == history.TypeEditText && !history.FileChanged(fullPath) {
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return hop.Abort(), "No changes"
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}
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*originalFullPath = fullPath
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return hop.WithFiles(fullPath).WithUser(u).Apply(), ""
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}
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