set steps for compounds list filter as requested by @osperand

closes #59


Former-commit-id: 6b6ad6df387da8a10932c6de58bd40aa6db7fb2d

ippisite/ippidb/templates/compound_list.html

@@ -146,8 +146,8 @@
   {% include "multiselection_modal.html" with label="Disease" selected_list=selected_diseases unselected_list=diseases param_name="disease" all_param_name="diseases_all" all_param_value=diseases_all %}
   {% include "multiselection_modal.html" with label="Organism" selected_list=selected_taxonomies unselected_list=taxonomies param_name="taxonomy" all_param_name="taxonomies_all" all_param_value=taxonomies_all %}
   {% include "multiselection_modal.html" with label="Bound complex" selected_list=selected_boundcomplexes unselected_list=boundcomplexes param_name="boundcomplex" all_param_name="boundcomplexes_all" all_param_value=boundcomplexes_all %}
-  {% include "slider_modal.html" with label="Molecular Weight" param_name="molecular_weight" param_min=molecular_weight_min param_max=molecular_weight_max param_value=molecular_weight step='0.01' param_label='Select a cutoff value for the molecular weight of the compounds to be selected'%}
-  {% include "slider_modal.html" with label="AlogP" param_name="a_log_p" param_min=a_log_p_min param_max=a_log_p_max param_value=a_log_p step='0.01' param_label='Select a cutoff value for the AlogP of the compounds to be selected'%}
+  {% include "slider_modal.html" with label="Molecular Weight" param_name="molecular_weight" param_min=molecular_weight_min param_max=molecular_weight_max param_value=molecular_weight step='50' param_label='Select a cutoff value for the molecular weight of the compounds to be selected'%}
+  {% include "slider_modal.html" with label="AlogP" param_name="a_log_p" param_min=a_log_p_min param_max=a_log_p_max param_value=a_log_p step='1' param_label='Select a cutoff value for the AlogP of the compounds to be selected'%}
   {% include "slider_modal.html" with label="H donors" param_name="nb_donor_h" param_min=nb_donor_h_min param_max=nb_donor_h_max param_value=nb_donor_h step='1' param_label='Select a cutoff value for the number of H donors in the compounds to be selected'%}
 
 {% endblock %}

ippisite/ippidb/views.py

 import json
+import math
 
 from django.db.models import Max, Min
 from django.shortcuts import render
@@ -175,8 +176,8 @@ def biblio_card(request, source, id_source):
                                                 'tad_ppis': tad_ppis}) 
 
 def process_cutoff_value(name, context, request):
-    context[name+'_max'] = str(Compound.objects.all().aggregate(Max(name))[name + '__max']) #.to_eng_string()
-    context[name+'_min'] = str(Compound.objects.all().aggregate(Min(name))[name + '__min']) #.to_eng_string()
+    context[name+'_max'] = str(int(math.ceil(float(Compound.objects.all().aggregate(Max(name))[name + '__max']))))
+    context[name+'_min'] = str(int(math.floor(float(Compound.objects.all().aggregate(Min(name))[name + '__min']))))
     if request.GET.get(name):
         context[name] = request.GET.get(name)
         filter_dict = {name + '__lte': context[name]}