# HG changeset patch
# User Björn Ricks <bjoern.ricks@intevation.de>
# Date 1411738521 -7200
# Node ID 46f31348fe012e9fe9af1b00f1840ceb6b5fba16
# Parent  15807d87930ce2e3e1f3f6c619cdca7e83bd7fea
Implement a TemplateConvertView to allow convert odt templates with variable
substitution

diff -r 15807d87930c -r 46f31348fe01 odfcast/convert.py
--- a/odfcast/convert.py	Fri Sep 26 15:34:46 2014 +0200
+++ b/odfcast/convert.py	Fri Sep 26 15:35:21 2014 +0200
@@ -2,9 +2,11 @@
 
 import tempfile
 
-from flask import request, Response
+from flask import request, Response, json
 from flask.views import MethodView
 
+from py3o.template import Template
+
 ALLOWED_FORMATS = ["pdf", "doc", "docx", "odt"]
 
 MIMETYPES = {
@@ -58,3 +60,29 @@
 
     def get_mimetype_for_format(self, fformat):
         return MIMETYPES.get(fformat, DEFAULT_MIMETYPE)
+
+
+class TemplateConvertView(ConvertView):
+
+    def post(self):
+        ffile = request.files['file']
+        fformat = request.form['format']
+        datadict = self.get_datadict()
+
+        if not self.is_format_supported(fformat):
+            return "Format %s not allowed" % fformat, 401
+
+        tfile = self.save_form_file(ffile)
+        outfile = tempfile.NamedTemporaryFile()
+        t = Template(tfile, outfile.name)
+        t.render(datadict)
+
+        if fformat != "odt":
+            outfile = self.convert(outfile, fformat)
+
+        mimetype = self.get_mimetype_for_format(fformat)
+        return Response(outfile, mimetype=mimetype)
+
+    def get_datadict(self):
+        vars = request.form['datadict']
+        return json.loads(vars)