restructure directories

core/api/store/local.go

@@ -0,0 +1,121 @@
+// 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 store provides the implementation for a file system based storage provider.
+// This enables all document upload previews to be processed AND stored locally.
+package store
+
+import (
+	"errors"
+	"fmt"
+	"io/ioutil"
+	"os"
+	"strings"
+
+	"github.com/documize/community/core/api/convert"
+api	"github.com/documize/community/core/convapi"
+	"github.com/documize/community/core/log"
+)
+
+var folderPath string
+
+func init() {
+	tempDir := os.TempDir()
+	if !strings.HasSuffix(tempDir, string(os.PathSeparator)) {
+		tempDir += string(os.PathSeparator)
+	}
+	folderPath = tempDir + "documize" + string(os.PathSeparator) + "_uploads" + string(os.PathSeparator)
+	log.Info("Temporary upload directory: " + folderPath)
+	log.IfErr(os.MkdirAll(folderPath, os.ModePerm))
+}
+
+// LocalStorageProvider provides an implementation of StorageProvider.
+type LocalStorageProvider struct {
+}
+
+// Upload a flie and store it locally.
+func (store *LocalStorageProvider) Upload(job string, filename string, file []byte) (err error) {
+	destination := folderPath + job + string(os.PathSeparator)
+
+	err = os.MkdirAll(destination, os.ModePerm)
+
+	if err != nil {
+		log.Error(fmt.Sprintf("Cannot create local folder %s", destination), err)
+		return err
+	}
+
+	err = ioutil.WriteFile(destination+filename, file, 0666)
+
+	if err != nil {
+		log.Error(fmt.Sprintf("Cannot write to local file %s", destination+filename), err)
+		return err
+	}
+
+	return nil
+}
+
+// Convert a file from its native format into Documize internal format.
+func (store *LocalStorageProvider) Convert(params api.ConversionJobRequest) (filename string, fileResult *api.DocumentConversionResponse, err error) {
+	fileResult = &api.DocumentConversionResponse{}
+	err = nil
+	path := folderPath
+
+	if params.Job == "" {
+		return filename, fileResult, errors.New("no job to convert")
+	}
+
+	inputFolder := path + params.Job + string(os.PathSeparator)
+
+	list, err := ioutil.ReadDir(inputFolder)
+
+	if err != nil {
+		return filename, fileResult, err
+	}
+
+	if len(list) == 0 {
+		return filename, fileResult, errors.New("no file to convert")
+	}
+
+	// remove temporary directory on exit
+	defer func() { log.IfErr(os.RemoveAll(inputFolder)) }()
+
+	for _, v := range list {
+
+		if v.Size() > 0 && !strings.HasPrefix(v.Name(), ".") && v.Mode().IsRegular() {
+			filename = inputFolder + v.Name()
+			log.Info(fmt.Sprintf("Fetching document %s", filename))
+
+			fileData, err := ioutil.ReadFile(filename)
+
+			if err != nil {
+				log.Error(fmt.Sprintf("Unable to fetch document %s", filename), err)
+				return filename, fileResult, err
+			}
+
+			if len(fileData) > 0 {
+				fileRequest := api.DocumentConversionRequest{}
+				fileRequest.Filename = filename
+				fileRequest.Filedata = fileData
+				fileRequest.PageBreakLevel = params.IndexDepth
+				//fileRequest.Job = params.OrgID + string(os.PathSeparator) + params.Job
+				//fileRequest.OrgID = params.OrgID
+
+				bits := strings.Split(filename, ".")
+				xtn := strings.ToLower(bits[len(bits)-1])
+
+				fileResult, err = convert.Convert(nil, xtn, &fileRequest)
+				return filename, fileResult, err
+			}
+		}
+	}
+
+	return filename, fileResult, nil
+}