Thumbnailing.

[zzz-floof.git] / floof / controllers / art.py

diff --git a/floof/controllers/art.py b/floof/controllers/art.py
index 41298c8..5b347b3 100644 (file)
--- a/floof/controllers/art.py
+++ b/floof/controllers/art.py
@@ -1,22 +1,26 @@
 import logging
 
-from pylons import request, response, session, tmpl_context as c, h
+from pylons import config, request, response, session, tmpl_context as c, h
 from pylons.controllers.util import abort, redirect
 from pylons import url
 from floof.lib.base import BaseController, render
 
 log = logging.getLogger(__name__)
 
-import elixir
+from floof.lib import file_storage as storage
 from floof.model.users import User
 from floof.model import Art, Rating, UserRelation
 from floof.model.comments import Discussion
 from floof.model.users import User, UserRelationship
 
+import elixir
+#import magic
+import os.path
+import PIL
+import PIL.Image
 from sqlalchemy import func
 from sqlalchemy.exceptions import IntegrityError
 from sqlalchemy.orm.exc import NoResultFound
-
 from wtforms.validators import ValidationError
 from wtforms import *
 
@@ -79,32 +83,66 @@ class ArtController(BaseController):
     # TODO: login required
     def create(self):
         c.form = ArtUploadForm(request.params)
-        if c.form.validate():
+        if not c.form.validate():
+            ## TODO: JavaScript should be added to the upload form so that it is
+            ## impossible to submit the form when it contains any invalid users, 
+            ## so this never happens.  Only autocompled usernames should be allowed.
+            return render("/art/new.mako")
 
-            c.art = Art(uploader=c.user, **request.params)
-            c.art.discussion = Discussion(count=0)
+        # Save the file
+        upload = request.params['file']
+        hash = storage.save_file('art/original', upload.file)
 
-            for artist in c.form.by.data:
-                UserRelation(user=artist, kind="by", creator=c.user, art=c.art)
+        # Create a thumbnail and a medium view
+        img = PIL.Image.open(
+            config['app_conf']['static_root']
+            + storage.get_path('art/original', hash)[1:]
+        )
+        for subdir, config_size in [('medium',    config['medium_size']),
+                                    ('thumbnail', config['thumbnail_size'])]:
+            path = config['app_conf']['static_root'] + storage.get_path("art/{0}".format(subdir), hash)
 
-            file = request.params['file']
+            dir, _ = os.path.split(path)
+            if not os.path.exists(dir):
+                os.makedirs(dir)
 
-            try:
-                elixir.session.commit()
-                redirect(url('show_art', id=c.art.id))
-            except IntegrityError:
-                # hurr, there must be a better way to do this but I am lazy right now
-                hash = c.art.hash
-                elixir.session.rollback()
-                duplicate_art = Art.get_by(hash=hash)
-                h.flash("We already have that one.")
-                redirect(url('show_art', id=duplicate_art.id))
+            size = int(config_size)
+            shrunken_img = img.copy()
+            shrunken_img.thumbnail((size, size), PIL.Image.ANTIALIAS)
+            shrunken_img.save(path, img.format)
+
+        #magicker = magic.Magic(mime=True)
+        buffer = upload.file.read(64)
+        upload.file.seek(0)
+        mimetype = 'image/unknown' #magickery.from_buffer(buffer)
+
+        # XXX Ensure we can actually handle the mimetype
+
+        print mimetype
+        c.art = Art(
+            uploader=c.user,
+            original_filename=upload.filename,
+            hash=hash,
+            mimetype=mimetype,
+        )
+        c.art.discussion = Discussion(count=0)
+
+        for artist in c.form.by.data:
+            UserRelation(user=artist, kind="by", creator=c.user, art=c.art)
+
+
+        try:
+            elixir.session.commit()
+            redirect(url('show_art', id=c.art.id))
+        except IntegrityError:
+            # XXX Check this as early as possible, and clean up the filesystem!
+            # Right now this replaces the original file!
+            hash = c.art.hash
+            elixir.session.rollback()
+            duplicate_art = Art.get_by(hash=hash)
+            h.flash("We already have that one.")
+            redirect(url('show_art', id=duplicate_art.id))
 
-        else:
-            ## TODO: JavaScript should be added to the upload form so that it is
-            ## impossible to submit the form when it contains any invalid users, 
-            ## so this never happens.  Only autocompled usernames should be allowed.
-            return render("/art/new.mako")
 
 
     def show(self, id):