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endpoint.go
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/
endpoint.go
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// 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 section
import (
"database/sql"
"net/http"
"github.com/documize/community/core/env"
"github.com/documize/community/core/request"
"github.com/documize/community/core/response"
"github.com/documize/community/core/uniqueid"
"github.com/documize/community/domain"
"github.com/documize/community/domain/permission"
"github.com/documize/community/domain/section/provider"
"github.com/documize/community/domain/store"
"github.com/documize/community/model/page"
)
// Handler contains the runtime information such as logging and database.
type Handler struct {
Runtime *env.Runtime
Store *store.Store
}
// GetSections returns available smart sections.
func (h *Handler) GetSections(w http.ResponseWriter, r *http.Request) {
s := provider.GetSectionMeta()
response.WriteJSON(w, s)
}
// RunSectionCommand passes UI request to section handler.
func (h *Handler) RunSectionCommand(w http.ResponseWriter, r *http.Request) {
method := "section.command"
ctx := domain.GetRequestContext(r)
documentID := request.Query(r, "documentID")
if len(documentID) == 0 {
response.WriteMissingDataError(w, method, "documentID")
return
}
sectionName := request.Query(r, "section")
if len(sectionName) == 0 {
response.WriteMissingDataError(w, method, "section")
return
}
// Note that targetMethod query item can be empty --
// it's up to the section handler to parse if required.
// Permission checks
if !ctx.Editor && !permission.CanChangeDocument(ctx, *h.Store, documentID) {
response.WriteForbiddenError(w)
return
}
if !provider.Command(sectionName, provider.NewContext(ctx.OrgID, ctx.UserID, ctx), w, r) {
h.Runtime.Log.Info("Unable to run provider.Command() for: " + sectionName)
response.WriteNotFoundError(w, "RunSectionCommand", sectionName)
}
}
// RefreshSections updates document sections where the data is externally sourced.
func (h *Handler) RefreshSections(w http.ResponseWriter, r *http.Request) {
method := "section.refresh"
ctx := domain.GetRequestContext(r)
documentID := request.Query(r, "documentID")
if len(documentID) == 0 {
response.WriteMissingDataError(w, method, "documentID")
return
}
if !permission.CanViewDocument(ctx, *h.Store, documentID) {
response.WriteForbiddenError(w)
return
}
// Return payload
var p []page.Page
// Let's see what sections are reliant on external sources
meta, err := h.Store.Page.GetDocumentPageMeta(ctx, documentID, true)
if err != nil {
h.Runtime.Log.Error(method, err)
response.WriteServerError(w, method, err)
return
}
ctx.Transaction, err = h.Runtime.Db.Beginx()
if err != nil {
h.Runtime.Log.Error(method, err)
response.WriteServerError(w, method, err)
return
}
for _, pm := range meta {
// Grab the page because we need content type and
page, err2 := h.Store.Page.Get(ctx, pm.SectionID)
if err2 == sql.ErrNoRows {
continue
}
if err2 != nil {
ctx.Transaction.Rollback()
h.Runtime.Log.Error(method, err)
response.WriteServerError(w, method, err)
return
}
pcontext := provider.NewContext(pm.OrgID, pm.UserID, ctx)
// Ask for data refresh
data, ok := provider.Refresh(page.ContentType, pcontext, pm.Config, pm.RawBody)
if !ok {
h.Runtime.Log.Info("provider.Refresh could not find: " + page.ContentType)
}
// Render again
body, ok := provider.Render(page.ContentType, pcontext, pm.Config, data)
if !ok {
h.Runtime.Log.Info("provider.Render could not find: " + page.ContentType)
}
// Compare to stored render
if body != page.Body {
// Persist latest data
page.Body = body
p = append(p, page)
refID := uniqueid.Generate()
err = h.Store.Page.Update(ctx, page, refID, ctx.UserID, false)
if err != nil {
h.Runtime.Log.Error(method, err)
response.WriteServerError(w, method, err)
ctx.Transaction.Rollback()
return
}
err = h.Store.Page.UpdateMeta(ctx, pm, false) // do not change the UserID on this PageMeta
if err != nil {
h.Runtime.Log.Error(method, err)
response.WriteServerError(w, method, err)
ctx.Transaction.Rollback()
return
}
}
}
ctx.Transaction.Commit()
response.WriteJSON(w, p)
}