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Code Issues Releases Wiki Activity

Add document preview feature

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This commit is contained in:
xiez
2012-07-23 22:44:09 +08:00
parent 0306ff75b7
commit 4b2558a6c5
6 changed files with 230 additions and 9 deletions
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10
base/models.py
View File

@@ -1,3 +1,11 @@
from django.db import models
# Create your models here.
class UuidOjbidMap(models.Model):
"""
Model used for store crocdoc uuid and file object id mapping.
"""
uuid = models.CharField(max_length=40)
obj_id = models.CharField(max_length=40, unique=True)

3
settings.py
View File

@@ -205,6 +205,9 @@ SEAHUB_TITLE = 'SeaHub'
USE_SUBDOMAIN = False
ACCOUNT_TYPE = 'personal'
# Replace this with your Crocodoc.com api token
CROCODOC_API_TOKEN = ''
try:
import local_settings
except ImportError:

78
templates/repo_file_get.html
View File

@@ -1,4 +1,4 @@
if (filetype == 'Document') {
if (filetype == 'Text') {
$.ajax({
url: url,
dataType: 'json',
@@ -18,6 +18,82 @@
$('#file-view').html('<img src="{{ raw_path }}" alt="{{ u_filename}}" id="image-view" />').css({'text-align':'center', 'padding':'30px 0'});
} else if (filetype == 'SVG') {
$('#file-view').html('<iframe src="{{ raw_path }}" frameborder="0" width="940" id="svg-view"></iframe>');
} else if (filetype == 'Document' ) {
var tid= 0;
var uuid = '';
var obj_id = '';
function create_session() {
$.ajax({
url: '{{ SITE_ROOT }}crocodoc/session/?uuid=' + uuid,
dataType: 'json',
cache: false,
contentType: 'application/json; charset=utf-8',
success: function(data) {
if (data.length > 0) {
var doc_src = data[0]['doc_src'];
var iframe_src = '<iframe src="' + doc_src + '" frameborder="0" width="940" id="svg-view"></iframe>'
$('#file-view').html(iframe_src);
}
},
error: function(xhr, ajaxOptions, thrownError) {
var jsonVal = jQuery.parseJSON(xhr.responseText);
$('#file-view').html('<p class="error">' + jsonVal[0]['error'] + '</p>');
}
});
}
function abortTimer () {
clearTimeout(tid);
}
function check_status () {
$.ajax({
url: '{{ SITE_ROOT }}crocodoc/status/?uuids='+ uuid + '&obj_id=' + obj_id,
dataType: 'json',
cache: false,
contentType: 'application/json; charset=utf-8',
success: function(data) {
if (data.length > 0) {
var status = data[0]['status']
if (status == 'QUEUED') {
$('#file-view').html('<p class="msg">' + '文档转换任务正在排队，请稍后...' + '</p>');
tid = setTimeout(check_status, 1000); } else if (status == 'PROCESSING') {
$('#file-view').html('<p class="msg">' + '文档正在转换，请稍候...' + '</p>');
tid = setTimeout(check_status, 1000); } else if (status == 'DONE') {
$('#file-view').html('<p class="msg">' + '文档转换成功。正在打开...' + '</p>');
abortTimer();
create_session();
} else {
abortTimer();
}
}
},
error: function(xhr, ajaxOptions, thrownError) {
var jsonVal = jQuery.parseJSON(xhr.responseText);
$('#file-view').html('<p class="error">' + jsonVal[0]['error'] + '</p>');
abortTimer();
return false;
}
});
}
$.ajax({
url: '{{ SITE_ROOT }}crocodoc/upload/?raw_path={{ raw_path|urlencode }}',
dataType: 'json',
cache: false,
contentType: 'application/json; charset=utf-8',
success: function(data) {
if (data.length > 0) {
uuid = data[0]['uuid'];
obj_id = data[0]['obj_id'];
$('#file-view').html('<p class="msg">文档内容读取成功，开始转换...</p>');
tid = setTimeout(check_status, 1000);
}
},
error: function(xhr, ajaxOptions, thrownError) {
var jsonVal = jQuery.parseJSON(xhr.responseText);
$('#file-view').html('<p class="error">' + jsonVal[0]['error'] + '</p>');
}
});
}
else {
$('#file-view').html('<p>该类型文件无法在线查看。<a href="{{ SITE_ROOT }}repo/{{ repo.id }}/{{ obj_id }}/?file_name={{ file_name }}&op=download">下载</a></p>');
}

8
urls.py
View File

@@ -13,7 +13,8 @@ from seahub.views import root, peers, myhome, \
repo_upload_file, file_upload_progress, file_upload_progress_page, \
get_subdir, file_move, repo_new_dir, repo_rename_file, validate_filename, \
repo_create, repo_update_file, file_revisions, \
get_shared_link, view_shared_file, remove_shared_link, send_shared_link
get_shared_link, view_shared_file, remove_shared_link, send_shared_link, \
crocodoc_upload, crocodoc_status, crocodoc_session
from seahub.notifications.views import notification_list
from seahub.share.views import share_admin
from seahub.group.views import group_list
@@ -82,6 +83,11 @@ urlpatterns = patterns('',
(r'^useradmin/info/(?P<email>[^/]+)/$', user_info),
(r'^useradmin/activate/(?P<user_id>[^/]+)/$', activate_user),
### Document previewd ###
(r'^crocodoc/upload/$', crocodoc_upload),
(r'^crocodoc/status/$', crocodoc_status),
(r'^crocodoc/session/$', crocodoc_session),
### Apps ###
(r'^avatar/', include('avatar.urls')),
(r'^notification/', include('notifications.urls')),

3
utils.py
View File

@@ -19,9 +19,10 @@ import settings
EMPTY_SHA1 = '0000000000000000000000000000000000000000'
PREVIEW_FILEEXT = {
'Document': ('ac', 'am', 'bat', 'c', 'cc', 'cmake', 'cpp', 'css', 'diff', 'h', 'html', 'java', 'js', 'json', 'less', 'make', 'markdown', 'org', 'php', 'properties', 'py', 'rb', 'scala', 'script', 'sh', 'sql', 'txt','text', 'vi', 'vim'),
'Text': ('ac', 'am', 'bat', 'c', 'cc', 'cmake', 'cpp', 'css', 'diff', 'h', 'html', 'java', 'js', 'json', 'less', 'make', 'markdown', 'org', 'php', 'properties', 'py', 'rb', 'scala', 'script', 'sh', 'sql', 'txt','text', 'vi', 'vim'),
'Image': ('gif', 'jpeg', 'jpg', 'png'),
'SVG': ('svg',),
'Document': ('doc', 'docx', 'ppt', 'pptx'),
}
def go_permission_error(request, msg=None):

131
views.py
View File

@@ -5,6 +5,7 @@ import stat
import simplejson as json
import re
import sys
import urllib
import urllib2
from urllib import quote
from django.core.urlresolvers import reverse
@@ -33,6 +34,7 @@ from seaserv import ccnet_rpc, ccnet_threaded_rpc, get_groups, get_users, get_re
from pysearpc import SearpcError
from seahub.base.accounts import CcnetUser
from seahub.base.models import UuidOjbidMap
from seahub.contacts.models import Contact
from seahub.notifications.models import UserNotification
from forms import AddUserForm, FileLinkShareForm
@@ -40,9 +42,10 @@ from utils import go_permission_error, go_error, list_to_string, \
get_httpserver_root, get_ccnetapplet_root, gen_token, \
calculate_repo_last_modify, valid_previewed_file, \
check_filename_with_rename, get_accessible_repos, EMPTY_SHA1, \
get_file_revision_id_size, get_ccnet_server_addr_port, gen_file_get_url
get_file_revision_id_size, get_ccnet_server_addr_port, \
gen_file_get_url
from seahub.profile.models import Profile
from settings import FILE_PREVIEW_MAX_SIZE
from seahub.settings import FILE_PREVIEW_MAX_SIZE, CROCODOC_API_TOKEN
@login_required
def root(request):
@@ -881,6 +884,7 @@ def repo_view_file(request, repo_id):
'protocol': http_or_https,
'domain': domain,
'file_shared_link': file_shared_link,
# 'doc_src': doc_src,
}, context_instance=RequestContext(request))
def repo_file_get(request, repo_id):
@@ -1985,3 +1989,126 @@ def send_shared_link(request):
msg = '发送成功。'
data = json.dumps([{'msg': msg}])
return HttpResponse(data, status=200, content_type=content_type)
def crocodoc_upload(request):
"""
Handle ajax request to upload document to crocodoc.com.
"""
if not request.is_ajax():
raise Http404
content_type = 'application/json; charset=utf-8'
raw_path = request.GET.get('raw_path', '')
# Fetch obj_id according token, if this obj_id already has uuid,
# send uuid; else, upload file.
obj_id = seafserv_rpc.web_query_access_token(raw_path.split('/files/')[1][:5]).obj_id
if not obj_id:
# Should nerver reach here.
data = json.dumps([{'error': '缺少obj_id'}])
return HttpResponse(data, status=500, content_type=content_type)
try:
uo = UuidOjbidMap.objects.get(obj_id=obj_id)
except UuidOjbidMap.DoesNotExist:
uo = None
if uo:
data = json.dumps([{'uuid': uo.uuid, 'obj_id': obj_id}])
return HttpResponse(data, status=200, content_type=content_type)
curl = "https://crocodoc.com/api/v2/document/upload"
data = {'token': CROCODOC_API_TOKEN,
'url': raw_path}
try:
f = urllib2.urlopen(url=curl, data=urllib.urlencode(data))
except urllib2.URLError, e:
data = json.dumps([{'error': e.msg}])
return HttpResponse(data, status=500, content_type=content_type)
else:
ret = f.read()
ret_dict = json.loads(ret)
if ret_dict.has_key('error'):
data = json.dumps([{'error': ret_dict['error']}])
return HttpResponse(data, status=500, content_type=content_type)
else:
data = json.dumps([{'uuid': ret_dict['uuid'], 'obj_id': obj_id}])
return HttpResponse(data, status=200, content_type=content_type)
def crocodoc_status(request):
"""
Handle ajax request to get status of the document from crocodoc.com.
"""
if not request.is_ajax():
raise Http404
content_type = 'application/json; charset=utf-8'
uuids = request.GET.get('uuids', '')
obj_id = request.GET.get('obj_id', '')
curl = 'https://crocodoc.com/api/v2/document/status?token=%s&uuids=%s' % (
CROCODOC_API_TOKEN, uuids
)
f = urllib2.urlopen(url=curl)
ret = f.read()
ret_list = json.loads(ret)
ret_dict = ret_list[0]
if ret_dict.has_key('error'):
# Delete obj_id-uuid in db
UuidOjbidMap.objects.filter(obj_id=obj_id).delete()
data = json.dumps([{'error': '文档转换出错：' + ret_dict['error']}])
return HttpResponse(data, status=500, content_type=content_type)
viewable = ret_dict['viewable'] # TODO: this may used in large file preview
status = ret_dict['status']
if status == 'QUEUED':
data = json.dumps([{'status': status}])
return HttpResponse(data, status=200, content_type=content_type)
elif status == 'PROCESSING':
data = json.dumps([{'status': status}])
return HttpResponse(data, status=200, content_type=content_type)
elif status == 'DONE':
# Cache obj_id and uuid in db
uo = UuidOjbidMap(uuid=uuids, obj_id=obj_id)
try:
uo.save()
except IntegrityError, e:
pass
data = json.dumps([{'status': status}])
return HttpResponse(data, status=200, content_type=content_type)
elif status == 'ERROR':
# Delete obj_id-uuid in db
UuidOjbidMap.objects.filter(obj_id=obj_id).delete()
err_msg = '文档转换出错:' + ret_dict['error'] if ret_dict.has_key('error') \
else '文档转换出错'
data = json.dumps([{'error': err_msg}])
return HttpResponse(data, status=500, content_type=content_type)
def crocodoc_session(request):
"""
Handle ajax reqeust to create session.
Session expires 60 minutes after it's generated.
"""
if not request.is_ajax():
raise Http404
content_type = 'application/json; charset=utf-8'
uuid = request.GET.get('uuid', '')
curl = 'https://crocodoc.com/api/v2/session/create'
data = {'token': CROCODOC_API_TOKEN,
'uuid': uuid,
'editable': 'true',
'user': '1337,Peter', # TODO: Fake user, should be changed
'downloadable': 'true',
}
f = urllib2.urlopen(url=curl, data=urllib.urlencode(data))
ret = f.read()
ret_dict = json.loads(ret)
session = ret_dict['session']
doc_src = 'https://crocodoc.com/view/%s' % session
data = json.dumps([{'doc_src': doc_src}])
return HttpResponse(data, status=200, content_type=content_type)