1
0
Fork 0
mirror of https://github.com/documize/community.git synced 2025-07-19 13:19:43 +02:00
documize/core/api/endpoint/page_endpoint.go
2017-01-22 14:12:10 -08:00

1027 lines
20 KiB
Go

// Copyright 2016 Documize Inc. <legal@documize.com>. All rights reserved.
//
// This software (Documize Community Edition) is licensed under
// GNU AGPL v3 http://www.gnu.org/licenses/agpl-3.0.en.html
//
// You can operate outside the AGPL restrictions by purchasing
// Documize Enterprise Edition and obtaining a commercial license
// by contacting <sales@documize.com>.
//
// https://documize.com
package endpoint
import (
"database/sql"
"encoding/json"
// "html/template"
"io/ioutil"
"net/http"
"strconv"
"github.com/documize/community/core/api/endpoint/models"
"github.com/documize/community/core/api/entity"
"github.com/documize/community/core/api/request"
"github.com/documize/community/core/api/util"
"github.com/documize/community/core/log"
"github.com/documize/community/core/section/provider"
"github.com/documize/community/core/utility"
htmldiff "github.com/documize/html-diff"
"github.com/gorilla/mux"
)
// AddDocumentPage inserts new section into document.
func AddDocumentPage(w http.ResponseWriter, r *http.Request) {
method := "AddDocumentPage"
p := request.GetPersister(r)
params := mux.Vars(r)
documentID := params["documentID"]
if len(documentID) == 0 {
writeMissingDataError(w, method, "documentID")
return
}
if !p.CanChangeDocument(documentID) {
writeForbiddenError(w)
return
}
defer utility.Close(r.Body)
body, err := ioutil.ReadAll(r.Body)
if err != nil {
writeBadRequestError(w, method, "Bad payload")
return
}
model := new(models.PageModel)
err = json.Unmarshal(body, &model)
if err != nil {
writePayloadError(w, method, err)
return
}
if model.Page.DocumentID != documentID {
writeBadRequestError(w, method, "documentID mismatch")
return
}
if model.Meta.DocumentID != documentID {
writeBadRequestError(w, method, "documentID mismatch")
return
}
pageID := util.UniqueID()
model.Page.RefID = pageID
model.Meta.PageID = pageID
model.Meta.OrgID = p.Context.OrgID // required for Render call below
model.Meta.UserID = p.Context.UserID // required for Render call below
model.Page.SetDefaults()
model.Meta.SetDefaults()
// page.Title = template.HTMLEscapeString(page.Title)
tx, err := request.Db.Beginx()
if err != nil {
writeTransactionError(w, method, err)
return
}
p.Context.Transaction = tx
output, ok := provider.Render(model.Page.ContentType, provider.NewContext(model.Meta.OrgID, model.Meta.UserID), model.Meta.Config, model.Meta.RawBody)
if !ok {
log.ErrorString("provider.Render could not find: " + model.Page.ContentType)
}
model.Page.Body = output
err = p.AddPage(*model)
if err != nil {
log.IfErr(tx.Rollback())
writeGeneralSQLError(w, method, err)
return
}
if len(model.Page.BlockID) > 0 {
p.IncrementBlockUsage(model.Page.BlockID)
}
log.IfErr(tx.Commit())
newPage, _ := p.GetPage(pageID)
json, err := json.Marshal(newPage)
if err != nil {
writeJSONMarshalError(w, method, "page", err)
return
}
writeSuccessBytes(w, json)
}
// GetDocumentPage gets specified page for document.
func GetDocumentPage(w http.ResponseWriter, r *http.Request) {
method := "GetDocumentPage"
p := request.GetPersister(r)
params := mux.Vars(r)
documentID := params["documentID"]
pageID := params["pageID"]
if len(documentID) == 0 {
writeMissingDataError(w, method, "documentID")
return
}
if len(pageID) == 0 {
writeMissingDataError(w, method, "pageID")
return
}
if !p.CanViewDocument(documentID) {
writeForbiddenError(w)
return
}
page, err := p.GetPage(pageID)
if err == sql.ErrNoRows {
writeNotFoundError(w, method, documentID)
return
}
if err != nil {
writeGeneralSQLError(w, method, err)
return
}
if page.DocumentID != documentID {
writeBadRequestError(w, method, "documentID mismatch")
return
}
json, err := json.Marshal(page)
if err != nil {
writeJSONMarshalError(w, method, "document", err)
return
}
writeSuccessBytes(w, json)
}
// GetDocumentPages gets all pages for document.
func GetDocumentPages(w http.ResponseWriter, r *http.Request) {
method := "GetDocumentPages"
p := request.GetPersister(r)
params := mux.Vars(r)
documentID := params["documentID"]
if len(documentID) == 0 {
writeMissingDataError(w, method, "documentID")
return
}
if !p.CanViewDocument(documentID) {
writeForbiddenError(w)
return
}
query := r.URL.Query()
content := query.Get("content")
var pages []entity.Page
var err error
if len(content) > 0 {
pages, err = p.GetPagesWithoutContent(documentID)
} else {
pages, err = p.GetPages(documentID)
}
if len(pages) == 0 {
pages = []entity.Page{}
}
if err != nil {
writeGeneralSQLError(w, method, err)
return
}
json, err := json.Marshal(pages)
if err != nil {
writeJSONMarshalError(w, method, "document", err)
return
}
writeSuccessBytes(w, json)
}
// GetDocumentPagesBatch gets specified pages for document.
func GetDocumentPagesBatch(w http.ResponseWriter, r *http.Request) {
method := "GetDocumentPagesBatch"
p := request.GetPersister(r)
params := mux.Vars(r)
documentID := params["documentID"]
if len(documentID) == 0 {
writeMissingDataError(w, method, "documentID")
return
}
if !p.CanViewDocument(documentID) {
writeForbiddenError(w)
return
}
defer utility.Close(r.Body)
body, err := ioutil.ReadAll(r.Body)
if err != nil {
writePayloadError(w, method, err)
return
}
requestedPages := string(body)
pages, err := p.GetPagesWhereIn(documentID, requestedPages)
if err == sql.ErrNoRows {
writeNotFoundError(w, method, documentID)
return
}
if err != nil {
writeGeneralSQLError(w, method, err)
return
}
json, err := json.Marshal(pages)
if err != nil {
writeJSONMarshalError(w, method, "document", err)
return
}
writeSuccessBytes(w, json)
}
// DeleteDocumentPage deletes a page.
func DeleteDocumentPage(w http.ResponseWriter, r *http.Request) {
method := "DeleteDocumentPage"
p := request.GetPersister(r)
params := mux.Vars(r)
documentID := params["documentID"]
if len(documentID) == 0 {
writeMissingDataError(w, method, "documentID")
return
}
pageID := params["pageID"]
if len(pageID) == 0 {
writeMissingDataError(w, method, "pageID")
return
}
if !p.CanChangeDocument(documentID) {
writeForbiddenError(w)
return
}
tx, err := request.Db.Beginx()
if err != nil {
writeTransactionError(w, method, err)
return
}
p.Context.Transaction = tx
page, err := p.GetPage(pageID)
if err != nil {
log.IfErr(tx.Rollback())
writeGeneralSQLError(w, method, err)
return
}
if len(page.BlockID) > 0 {
p.DecrementBlockUsage(page.BlockID)
}
_, err = p.DeletePage(documentID, pageID)
if err != nil {
log.IfErr(tx.Rollback())
writeGeneralSQLError(w, method, err)
return
}
log.IfErr(tx.Commit())
writeSuccessEmptyJSON(w)
}
// DeleteDocumentPages batch deletes pages.
func DeleteDocumentPages(w http.ResponseWriter, r *http.Request) {
method := "DeleteDocumentPages"
p := request.GetPersister(r)
params := mux.Vars(r)
documentID := params["documentID"]
if len(documentID) == 0 {
writeMissingDataError(w, method, "documentID")
return
}
if !p.CanChangeDocument(documentID) {
writeForbiddenError(w)
return
}
defer utility.Close(r.Body)
body, err := ioutil.ReadAll(r.Body)
if err != nil {
writeBadRequestError(w, method, "Bad body")
return
}
model := new([]models.PageLevelRequestModel)
err = json.Unmarshal(body, &model)
if err != nil {
writePayloadError(w, method, err)
return
}
tx, err := request.Db.Beginx()
if err != nil {
writeTransactionError(w, method, err)
return
}
p.Context.Transaction = tx
for _, page := range *model {
pageData, err := p.GetPage(page.PageID)
if err != nil {
log.IfErr(tx.Rollback())
writeGeneralSQLError(w, method, err)
return
}
if len(pageData.BlockID) > 0 {
p.DecrementBlockUsage(pageData.BlockID)
}
_, err = p.DeletePage(documentID, page.PageID)
if err != nil {
log.IfErr(tx.Rollback())
writeGeneralSQLError(w, method, err)
return
}
}
log.IfErr(tx.Commit())
writeSuccessEmptyJSON(w)
}
// UpdateDocumentPage will persist changed page and note the fact
// that this is a new revision. If the page is the first in a document
// then the corresponding document title will also be changed.
func UpdateDocumentPage(w http.ResponseWriter, r *http.Request) {
method := "UpdateDocumentPage"
p := request.GetPersister(r)
if !p.Context.Editor {
writeForbiddenError(w)
return
}
params := mux.Vars(r)
documentID := params["documentID"]
if len(documentID) == 0 {
writeMissingDataError(w, method, "documentID")
return
}
pageID := params["pageID"]
if len(pageID) == 0 {
writeMissingDataError(w, method, "pageID")
return
}
defer utility.Close(r.Body)
body, err := ioutil.ReadAll(r.Body)
if err != nil {
writeBadRequestError(w, method, "Bad request body")
return
}
model := new(models.PageModel)
err = json.Unmarshal(body, &model)
if err != nil {
writePayloadError(w, method, err)
return
}
if model.Page.RefID != pageID || model.Page.DocumentID != documentID {
writeBadRequestError(w, method, "id mismatch")
return
}
tx, err := request.Db.Beginx()
if err != nil {
writeTransactionError(w, method, err)
return
}
model.Page.SetDefaults()
model.Meta.SetDefaults()
oldPageMeta, err := p.GetPageMeta(pageID)
if err != nil {
log.Error("unable to fetch old pagemeta record", err)
writeBadRequestError(w, method, err.Error())
return
}
output, ok := provider.Render(model.Page.ContentType, provider.NewContext(model.Meta.OrgID, oldPageMeta.UserID), model.Meta.Config, model.Meta.RawBody)
if !ok {
log.ErrorString("provider.Render could not find: " + model.Page.ContentType)
}
model.Page.Body = output
p.Context.Transaction = tx
var skipRevision bool
skipRevision, err = strconv.ParseBool(r.URL.Query().Get("r"))
refID := util.UniqueID()
err = p.UpdatePage(model.Page, refID, p.Context.UserID, skipRevision)
if err != nil {
writeGeneralSQLError(w, method, err)
log.IfErr(tx.Rollback())
return
}
err = p.UpdatePageMeta(model.Meta, true) // change the UserID to the current one
log.IfErr(tx.Commit())
updatedPage, err := p.GetPage(pageID)
json, err := json.Marshal(updatedPage)
if err != nil {
writeJSONMarshalError(w, method, "page", err)
return
}
writeSuccessBytes(w, json)
}
// ChangeDocumentPageSequence will swap page sequence for a given number of pages.
func ChangeDocumentPageSequence(w http.ResponseWriter, r *http.Request) {
method := "ChangeDocumentPageSequence"
p := request.GetPersister(r)
params := mux.Vars(r)
documentID := params["documentID"]
if len(documentID) == 0 {
writeMissingDataError(w, method, "documentID")
return
}
if !p.CanChangeDocument(documentID) {
writeForbiddenError(w)
return
}
defer utility.Close(r.Body)
body, err := ioutil.ReadAll(r.Body)
if err != nil {
writePayloadError(w, method, err)
return
}
model := new([]models.PageSequenceRequestModel)
err = json.Unmarshal(body, &model)
if err != nil {
writeBadRequestError(w, method, "bad payload")
return
}
tx, err := request.Db.Beginx()
if err != nil {
writeTransactionError(w, method, err)
return
}
p.Context.Transaction = tx
for _, page := range *model {
err = p.UpdatePageSequence(documentID, page.PageID, page.Sequence)
if err != nil {
log.IfErr(tx.Rollback())
writeGeneralSQLError(w, method, err)
return
}
}
log.IfErr(tx.Commit())
writeSuccessEmptyJSON(w)
}
// ChangeDocumentPageLevel handles page indent/outdent changes.
func ChangeDocumentPageLevel(w http.ResponseWriter, r *http.Request) {
method := "ChangeDocumentPageLevel"
p := request.GetPersister(r)
params := mux.Vars(r)
documentID := params["documentID"]
if len(documentID) == 0 {
writeMissingDataError(w, method, "documentID")
return
}
if !p.CanChangeDocument(documentID) {
w.WriteHeader(http.StatusForbidden)
return
}
defer utility.Close(r.Body)
body, err := ioutil.ReadAll(r.Body)
if err != nil {
writePayloadError(w, method, err)
return
}
model := new([]models.PageLevelRequestModel)
err = json.Unmarshal(body, &model)
if err != nil {
writeBadRequestError(w, method, "bad payload")
return
}
tx, err := request.Db.Beginx()
if err != nil {
writeTransactionError(w, method, err)
return
}
p.Context.Transaction = tx
for _, page := range *model {
err = p.UpdatePageLevel(documentID, page.PageID, page.Level)
if err != nil {
log.IfErr(tx.Rollback())
writeGeneralSQLError(w, method, err)
return
}
}
log.IfErr(tx.Commit())
writeSuccessEmptyJSON(w)
}
// GetDocumentPageMeta gets page meta data for specified document page.
func GetDocumentPageMeta(w http.ResponseWriter, r *http.Request) {
method := "GetDocumentPageMeta"
p := request.GetPersister(r)
params := mux.Vars(r)
documentID := params["documentID"]
pageID := params["pageID"]
if len(documentID) == 0 {
writeMissingDataError(w, method, "documentID")
return
}
if len(pageID) == 0 {
writeMissingDataError(w, method, "pageID")
return
}
if !p.CanViewDocument(documentID) {
writeForbiddenError(w)
return
}
meta, err := p.GetPageMeta(pageID)
if err == sql.ErrNoRows {
writeNotFoundError(w, method, pageID)
return
}
if err != nil {
writeGeneralSQLError(w, method, err)
return
}
if meta.DocumentID != documentID {
writeBadRequestError(w, method, "documentID mismatch")
return
}
json, err := json.Marshal(meta)
if err != nil {
writeJSONMarshalError(w, method, "pagemeta", err)
return
}
writeSuccessBytes(w, json)
}
// GetPageMoveCopyTargets returns available documents for page copy/move axction.
func GetPageMoveCopyTargets(w http.ResponseWriter, r *http.Request) {
method := "GetPageMoveCopyTargets"
p := request.GetPersister(r)
var d []entity.Document
var err error
d, err = p.GetDocumentList()
if len(d) == 0 {
d = []entity.Document{}
}
if err != nil {
writeGeneralSQLError(w, method, err)
return
}
json, err := json.Marshal(d)
if err != nil {
writeJSONMarshalError(w, method, "document", err)
return
}
writeSuccessBytes(w, json)
}
//**************************************************
// Page Revisions
//**************************************************
// GetDocumentRevisions returns all changes for a document.
func GetDocumentRevisions(w http.ResponseWriter, r *http.Request) {
method := "GetDocumentPageRevisions"
p := request.GetPersister(r)
params := mux.Vars(r)
documentID := params["documentID"]
if len(documentID) == 0 {
writeMissingDataError(w, method, "documentID")
return
}
if !p.CanViewDocument(documentID) {
writeForbiddenError(w)
return
}
revisions, _ := p.GetDocumentRevisions(documentID)
payload, err := json.Marshal(revisions)
if err != nil {
writeJSONMarshalError(w, method, "revision", err)
return
}
writeSuccessBytes(w, payload)
}
// GetDocumentPageRevisions returns all changes for a given page.
func GetDocumentPageRevisions(w http.ResponseWriter, r *http.Request) {
method := "GetDocumentPageRevisions"
p := request.GetPersister(r)
params := mux.Vars(r)
documentID := params["documentID"]
if len(documentID) == 0 {
writeMissingDataError(w, method, "documentID")
return
}
if !p.CanViewDocument(documentID) {
writeForbiddenError(w)
return
}
pageID := params["pageID"]
if len(pageID) == 0 {
writeMissingDataError(w, method, "pageID")
return
}
revisions, _ := p.GetPageRevisions(pageID)
payload, err := json.Marshal(revisions)
if err != nil {
writeJSONMarshalError(w, method, "revision", err)
return
}
writeSuccessBytes(w, payload)
}
// GetDocumentPageDiff returns HTML diff between two revisions of a given page.
func GetDocumentPageDiff(w http.ResponseWriter, r *http.Request) {
method := "GetDocumentPageDiff"
p := request.GetPersister(r)
params := mux.Vars(r)
documentID := params["documentID"]
if len(documentID) == 0 {
writeMissingDataError(w, method, "documentID")
return
}
if !p.CanViewDocument(documentID) {
writeForbiddenError(w)
return
}
pageID := params["pageID"]
if len(pageID) == 0 {
writeMissingDataError(w, method, "pageID")
return
}
revisionID := params["revisionID"]
if len(revisionID) == 0 {
writeMissingDataError(w, method, "revisionID")
return
}
page, err := p.GetPage(pageID)
if err == sql.ErrNoRows {
writeNotFoundError(w, method, revisionID)
return
}
revision, _ := p.GetPageRevision(revisionID)
latestHTML := page.Body
previousHTML := revision.Body
var result []byte
var cfg = &htmldiff.Config{
Granularity: 5,
InsertedSpan: []htmldiff.Attribute{{Key: "style", Val: "background-color: palegreen;"}},
DeletedSpan: []htmldiff.Attribute{{Key: "style", Val: "background-color: lightpink; text-decoration: line-through;"}},
ReplacedSpan: []htmldiff.Attribute{{Key: "style", Val: "background-color: lightskyblue;"}},
CleanTags: []string{"documize"},
}
res, err := cfg.HTMLdiff([]string{latestHTML, previousHTML})
if err != nil {
writeServerError(w, method, err)
return
}
result = []byte(res[0])
_, err = w.Write(result)
log.IfErr(err)
}
// RollbackDocumentPage rolls-back to a specific page revision.
func RollbackDocumentPage(w http.ResponseWriter, r *http.Request) {
method := "RollbackDocumentPage"
p := request.GetPersister(r)
params := mux.Vars(r)
documentID := params["documentID"]
if len(documentID) == 0 {
writeMissingDataError(w, method, "documentID")
return
}
pageID := params["pageID"]
if len(pageID) == 0 {
writeMissingDataError(w, method, "pageID")
return
}
revisionID := params["revisionID"]
if len(revisionID) == 0 {
writeMissingDataError(w, method, "revisionID")
return
}
if !p.CanChangeDocument(documentID) {
writeForbiddenError(w)
return
}
tx, err := request.Db.Beginx()
if err != nil {
writeTransactionError(w, method, err)
return
}
p.Context.Transaction = tx
// fetch page
page, err := p.GetPage(pageID)
if err != nil {
writeGeneralSQLError(w, method, err)
return
}
// fetch page meta
meta, err := p.GetPageMeta(pageID)
if err != nil {
writeGeneralSQLError(w, method, err)
return
}
// fetch revision
revision, err := p.GetPageRevision(revisionID)
if err != nil {
writeGeneralSQLError(w, method, err)
return
}
// roll back page
page.Body = revision.Body
refID := util.UniqueID()
err = p.UpdatePage(page, refID, p.Context.UserID, false)
if err != nil {
log.IfErr(tx.Rollback())
writeGeneralSQLError(w, method, err)
return
}
// roll back page meta
meta.Config = revision.Config
meta.RawBody = revision.RawBody
err = p.UpdatePageMeta(meta, false)
if err != nil {
log.IfErr(tx.Rollback())
writeGeneralSQLError(w, method, err)
return
}
log.IfErr(tx.Commit())
payload, err := json.Marshal(page)
if err != nil {
writeJSONMarshalError(w, method, "revision", err)
return
}
writeSuccessBytes(w, payload)
}
//**************************************************
// Copy Move Page
//**************************************************
// CopyPage copies page to either same or different document.
func CopyPage(w http.ResponseWriter, r *http.Request) {
method := "CopyPage"
p := request.GetPersister(r)
params := mux.Vars(r)
documentID := params["documentID"]
pageID := params["pageID"]
targetID := params["targetID"]
// data checks
if len(documentID) == 0 {
writeMissingDataError(w, method, "documentID")
return
}
if len(pageID) == 0 {
writeMissingDataError(w, method, "pageID")
return
}
if len(targetID) == 0 {
writeMissingDataError(w, method, "targetID")
return
}
// permission
if !p.CanViewDocument(documentID) {
writeForbiddenError(w)
return
}
// fetch data
page, err := p.GetPage(pageID)
if err == sql.ErrNoRows {
writeNotFoundError(w, method, documentID)
return
}
if err != nil {
writeGeneralSQLError(w, method, err)
return
}
pageMeta, err := p.GetPageMeta(pageID)
if err == sql.ErrNoRows {
writeNotFoundError(w, method, documentID)
return
}
if err != nil {
writeGeneralSQLError(w, method, err)
return
}
newPageID := util.UniqueID()
page.RefID = newPageID
page.Level = 1
page.DocumentID = targetID
page.UserID = p.Context.UserID
pageMeta.DocumentID = targetID
pageMeta.PageID = newPageID
pageMeta.UserID = p.Context.UserID
model := new(models.PageModel)
model.Meta = pageMeta
model.Page = page
tx, err := request.Db.Beginx()
if err != nil {
writeTransactionError(w, method, err)
return
}
p.Context.Transaction = tx
err = p.AddPage(*model)
if err != nil {
log.IfErr(tx.Rollback())
writeGeneralSQLError(w, method, err)
return
}
if len(model.Page.BlockID) > 0 {
p.IncrementBlockUsage(model.Page.BlockID)
}
log.IfErr(tx.Commit())
newPage, _ := p.GetPage(pageID)
json, err := json.Marshal(newPage)
if err != nil {
writeJSONMarshalError(w, method, "page", err)
return
}
writeSuccessBytes(w, json)
}