diff --git a/app.db b/app.db
new file mode 100644
index 0000000..0049e46
Binary files /dev/null and b/app.db differ
diff --git a/app/models.py b/app/models.py
index 064f8e0..ccf3f3a 100644
--- a/app/models.py
+++ b/app/models.py
@@ -2,8 +2,9 @@
 Database models for monitoring researchers who have used the facility and their
 outputs
 """
+import os.path
 from sqlalchemy import orm
-from app import db
+from app import db, PKG_DIR
 from app.exceptions import NifReportingException
 
 
@@ -66,6 +67,8 @@ class Publication(db.Model):
 
     __tablename__ = 'publications'
 
+    CONTENT_DIR = os.path.join(PKG_DIR, 'publication-content')
+
     id = db.Column(db.Integer, primary_key=True)
     date = db.Column(db.Date)
     scopus_id = db.Column(db.String(100), unique=True)
@@ -81,7 +84,7 @@ class Publication(db.Model):
     nif_assoc = db.Column(db.Integer)
     access_status = db.Column(db.Integer)
     abstract = orm.deferred(db.Column(db.Text))
-    content = orm.deferred(db.Column(db.Text))
+    #content = orm.deferred(db.Column(db.Text))
 
     scopus_authors = db.relationship(
         'ScopusAuthor', secondary='scopusauthor_publication_assoc')
@@ -108,6 +111,30 @@ def __init__(self, doi, title, scopus_id=None, pii=None, date=None,
         self.access_status = access_status
         # self.author_ids = author_ids
 
+    @property
+    def content(self):
+        if self.has_content:
+            return None
+        with open(self.content_path) as f:
+            content = f.read()
+        return content
+
+    @content.setter
+    def content(self, content):
+        if content is not None:
+            with open(self.content_path, 'w') as f:
+                f.write(str(content))
+
+    @property
+    def content_path(self):
+        path = os.path.join(self.CONTENT_DIR, str(self.scopus_id))
+        path += ('.txt' if self.pii else '.html')
+        return path
+
+    @property
+    def has_content(self):
+        return os.path.exists(self.content_path)
+
 
 class Affiliation(db.Model):
 
diff --git a/scripts/add_content.py b/scripts/add_content.py
index 9b809ef..3b88b9c 100644
--- a/scripts/add_content.py
+++ b/scripts/add_content.py
@@ -11,11 +11,11 @@
 from PyPDF2 import PdfFileReader
 from bs4 import BeautifulSoup
 import pybliometrics.scopus as sc
-from app import PKG_DIR, db
+from app import db
 from app.models import Publication
 from app.constants import (
     CANT_ACCESS_CONTENT, PLAIN_TEXT_ACCESS_CONTENT, HTML_ACCESS_CONTENT,
-    PDF_ACCESS_CONTENT, UNKNOWN_ACCESS_CONTENT)
+    UNKNOWN_ACCESS_CONTENT)  # PDF_ACCESS_CONTENT, 
 
 
 
@@ -71,15 +71,10 @@ def content_from_pii(pii):
             pass
     return text
 
-content_dir = os.path.join(PKG_DIR, 'publication-content')
-os.makedirs(content_dir, exist_ok=True)
 
 for pub in Publication.query.all():
 
-    content_path = os.path.join(content_dir, pub.scopus_id + (
-        '.txt' if pub.pii is not None else '.html'))
-
-    if not os.path.exists(content_path):
+    if not pub.has_content:
         if pub.pii:
             content = content_from_pii(pub.pii)
             if content is None:
@@ -96,6 +91,5 @@ def content_from_pii(pii):
             pub.access_status = UNKNOWN_ACCESS_CONTENT
 
         if content:
-            with open(content_path, 'w') as f:
-                f.write(str(content))
+            pub.content = content
         db.session.commit()