def autocomplete():
db_vals = []
search = request.args.get('search[term]')
#app.logger.debug(search)
db_vals += db_session.query(Recs).filter(Recs.artist.ilike('%' + search + '%')).all()
db_vals += db_session.query(Recs).filter(Recs.title.ilike('%' + search + '%')).all()
results = []
for v in db_vals[:LIMIT]:
results.append({"value": "%s, %s" %(v.artist, v.title),
"id" : v.track_id,
"cluster" : v.cluster,
"cluster_new" : v.cluster_new})
return Response(json.dumps(results))
def get_recs(cluster_inputs, page, sort, ascdesc):
if len(cluster_inputs) < 1:
app.logger.debug("No selected songs")
results = [{"value": "No songs selected"}]
return results
else:
lim = int(LIMIT/len(cluster_inputs))
db_vals = []
for c in cluster_inputs:
c_old = c[0]
c_new = c[1]
init_len = len(db_vals)
db_vals += db_session.query(Recs).filter(Recs.cluster==c_old,
Recs.cluster_new==c_new, Recs.recommend==1) \
.order_by(getattr(getattr(Recs, sort), ascdesc)()) \
.slice(page*lim, page*lim+lim)
mid_len = len(db_vals)
#if not enough double match recs:
if (mid_len - init_len) < lim:
new_lim = lim - (mid_len - init_len)
db_vals += db_session.query(Recs).filter(Recs.cluster!=c_old,
Recs.cluster_new==c_new, Recs.recommend==1) \
.order_by(getattr(getattr(Recs, sort), ascdesc)()) \
.slice(page*new_lim, (page*new_lim+new_lim))
#if not enough new_rec recs:
if (len(db_vals) - init_len) < lim:
new_lim = lim - (len(db_vals) - init_len)
db_vals += db_session.query(Recs).filter(Recs.cluster==c_old,
Recs.cluster_new!=c_new, Recs.recommend==1) \
.order_by(getattr(getattr(Recs, sort), ascdesc)()) \
.slice(page*new_lim, (page*new_lim+new_lim))
#if not enough of either, repeat recs, but with random:
if (len(db_vals) - init_len) < lim:
new_lim = lim - (len(db_vals) - init_len)
db_vals += db_session.query(Recs).filter((Recs.cluster==c_old) |
(Recs.cluster_new==c_new), Recs.recommend==1) \
.order_by(func.random()).limit(new_lim)
results = []
for v in db_vals:
results.append({"value": "%s, %s" %(v.artist, v.title),
"id" : v.track_id,
"cluster" : v.cluster,
"cluster_new": v.cluster_new})
return results
