Refactor the parsing app API

Add additional API and view tests.

Add success and multi document titles strings.

Make use of external mixin in the document type submit view.

Puntuate all view text strings.

Signed-off-by: Roberto Rosario <Roberto.Rosario@mayan-edms.com>

mayan/apps/document_parsing/serializers.py

@@ -2,10 +2,20 @@ from __future__ import unicode_literals
 
 from rest_framework import serializers
 
-from .models import DocumentPageContent
+
+class DocumentPageParsingSerializer(serializers.Serializer):
+    text = serializers.CharField(
+        read_only=True, source='get_content'
+    )
 
 
-class DocumentPageContentSerializer(serializers.ModelSerializer):
-    class Meta:
-        fields = ('content',)
-        model = DocumentPageContent
+class DocumentParsingSerializer(serializers.Serializer):
+    text = serializers.CharField(
+        read_only=True, source='get_content'
+    )
+
+
+class DocumentVersionParsingSerializer(serializers.Serializer):
+    text = serializers.CharField(
+        read_only=True, source='get_content'
+    )