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document.go
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document.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 documize
import (
"bytes"
"encoding/json"
"errors"
"io/ioutil"
"net/http"
"net/url"
"strings"
"github.com/documize/community/core/api/entity"
)
// DeleteDocument removes the given document from the Documize database.
func (c *Client) DeleteDocument(documentID string) error {
req, err := http.NewRequest("DELETE",
c.BaseURL+"/api/documents/"+documentID,
nil)
if err != nil {
return err
}
req.Header.Add(HeaderAuthTokenName, c.Auth.Token)
resp, err := c.Client.Do(req)
if err != nil {
return err
}
defer resp.Body.Close() // ignore error
b, err := ioutil.ReadAll(resp.Body)
if err != nil {
return err
}
if string(b) == emptyBraces {
return nil
}
return errors.New(string(b))
}
// GetDocument gets the document information.
func (c *Client) GetDocument(documentID string) (*entity.Document, error) {
req, err := http.NewRequest("GET",
c.BaseURL+"/api/documents/"+documentID,
nil)
if err != nil {
return nil, err
}
req.Header.Add(HeaderAuthTokenName, c.Auth.Token)
resp, err := c.Client.Do(req)
if err != nil {
return nil, err
}
defer resp.Body.Close() // ignore error
b, err := ioutil.ReadAll(resp.Body)
if err != nil {
return nil, err
}
var dm entity.Document
err = json.Unmarshal(b, &dm)
if err != nil {
return nil, errors.New(trimErrors(string(b)))
}
return &dm, nil
}
// UpdateDocument updates document information obtained from GetDocument.
func (c *Client) UpdateDocument(document *entity.Document) error {
if document == nil {
return errors.New("nil document passed to UpdateDocument")
}
req, err := http.NewRequest("PUT",
c.BaseURL+"/api/documents/"+document.RefID,
nil)
if err != nil {
return err
}
req.Header.Add(HeaderAuthTokenName, c.Auth.Token)
buf, err := json.Marshal(document)
if err != nil {
return err
}
req.Body = ioutil.NopCloser(bytes.NewReader(buf))
resp, err := c.Client.Do(req)
if err != nil {
return err
}
defer resp.Body.Close() // ignore error
_, err = ioutil.ReadAll(resp.Body)
return err
}
// GetDocumentMeta gets the metadata for a document.
func (c *Client) GetDocumentMeta(documentID string) (*entity.DocumentMeta, error) {
req, err := http.NewRequest("GET",
c.BaseURL+"/api/documents/"+documentID+"/meta",
nil)
if err != nil {
return nil, err
}
req.Header.Add(HeaderAuthTokenName, c.Auth.Token)
resp, err := c.Client.Do(req)
if err != nil {
return nil, err
}
defer resp.Body.Close() // ignore error
b, err := ioutil.ReadAll(resp.Body)
if err != nil {
return nil, err
}
var dm entity.DocumentMeta
err = json.Unmarshal(b, &dm)
if err != nil {
return nil, errors.New(trimErrors(string(b)))
}
return &dm, nil
}
// GetDocumentsByFolder returns a slice of document information for a given folder.
func (c *Client) GetDocumentsByFolder(folderID string) ([]entity.Document, error) {
req, err := http.NewRequest("GET",
c.BaseURL+"/api/documents?folder="+folderID,
nil)
if err != nil {
return nil, err
}
req.Header.Add(HeaderAuthTokenName, c.Auth.Token)
resp, err := c.Client.Do(req)
if err != nil {
return nil, err
}
defer resp.Body.Close() // ignore error
b, err := ioutil.ReadAll(resp.Body)
if err != nil {
return nil, err
}
var dm []entity.Document
err = json.Unmarshal(b, &dm)
if err != nil {
return nil, errors.New(trimErrors(string(b)))
}
return dm, nil
}
// SearchDocuments returns a list of documements which contain the supplied keywords.
// TODO explain the format of the keywords string (when not just the single word sought).
func (c *Client) SearchDocuments(keywords string) ([]entity.DocumentSearch, error) {
req, err := http.NewRequest("GET",
c.BaseURL+"/api/search?keywords="+url.QueryEscape(keywords),
nil)
if err != nil {
return nil, err
}
req.Header.Add(HeaderAuthTokenName, c.Auth.Token)
resp, err := c.Client.Do(req)
if err != nil {
return nil, err
}
defer resp.Body.Close() // ignore error
b, err := ioutil.ReadAll(resp.Body)
if err != nil {
return nil, err
}
var ds []entity.DocumentSearch
err = json.Unmarshal(b, &ds)
if err != nil {
return nil, errors.New(trimErrors(string(b)))
}
return ds, nil
}
// GetDocumentAsDocx returns a file-name and content for the given documentID.
// TODO allow the selection of either HTML or DOCX format.
func (c *Client) GetDocumentAsDocx(documentID string) (string, []byte, error) {
req, err := http.NewRequest("GET",
c.BaseURL+"/api/documents/"+documentID+"/export",
nil)
if err != nil {
return "", nil, err
}
req.Header.Add(HeaderAuthTokenName, c.Auth.Token)
resp, err := c.Client.Do(req)
if err != nil {
return "", nil, err
}
defer resp.Body.Close() // ignore error
b, err := ioutil.ReadAll(resp.Body)
if err != nil {
return "", nil, err
}
filename := resp.Header.Get("Content-Disposition")
filename = strings.TrimSpace(strings.TrimPrefix(filename, "attachment; filename="))
if len(filename) == 0 {
return "", nil, errors.New("Unknown document to download")
}
return filename, b, nil
}