Improve parcel result displaying

1 files changed, 73 insertions, 0 deletions

diff --git a/archaeological_operations/forms.py b/archaeological_operations/forms.py
index 0bc759b9c..691b0c90c 100644
--- a/archaeological_operations/forms.py
+++ b/archaeological_operations/forms.py
@@ -21,6 +21,7 @@
 Operations forms definitions
 """
 import datetime
+from itertools import groupby
 
 from django import forms
 from django.conf import settings
@@ -109,6 +110,78 @@ class ParcelForm(forms.Form):
                                               u"fields are required."))
         return self.cleaned_data
 
+    @classmethod
+    def get_formated_datas(cls, cleaned_datas):
+        result, current, deleted = [], [], []
+        towns = {}
+        for data in cleaned_datas:
+            if not data:
+                continue
+            town = data.get('town') or ''
+            if town:
+                if town in towns:
+                    town = towns[town]
+                else:
+                    try:
+                        towns[town] = unicode(Town.objects.get(pk=town))
+                        town = towns[town]
+                    except (Town.DoesNotExist, ValueError):
+                        town = ''
+            parcel_number = data.get('parcel_number') or ''
+            c_number = 0
+            if parcel_number:
+                parcel_nb = list(reversed(list(parcel_number)))
+                c_number = ''
+                while parcel_nb:
+                    c = parcel_nb.pop()
+                    try:
+                        c_number += str(int(c))
+                    except ValueError:
+                        break
+                if c_number:
+                    c_number = int(c_number)
+                else:
+                    c_number = 0
+            values = [town, data.get('year') or '', data.get('section') or '',
+                      c_number, data.get('parcel_number') or '']
+            if data.get('DELETE'):
+                deleted.append(values)
+            else:
+                current.append(values)
+        if current:
+            result.append((_("Current parcels"), cls._format_parcels(current)))
+        if deleted:
+            result.append((_("Deleted parcels"), cls._format_parcels(deleted)))
+        return result
+
+    @classmethod
+    def _format_parcels(cls, parcels):
+        sortkeyfn = lambda s:(s[0], s[1], s[2])
+        parcels = sorted(parcels, key=sortkeyfn)
+        grouped = []
+        for keys, parcel_grp in groupby(parcels, key=sortkeyfn):
+            keys = list(keys)
+            keys.append([gp[-1] for gp in parcel_grp])
+            grouped.append(keys)
+        res = ''
+        c_town, c_section, c_year = '', '', ''
+        for idx, parcel in enumerate(grouped):
+            town, year, section, parcel_numbers = parcel
+            if c_town != town:
+                c_town = town
+                c_section, c_year = '', ''
+                if idx:
+                    res += " ; "
+                res += town + u' : '
+            if c_section:
+                res += u" / "
+            c_section = section
+            res += section + u' '
+            res += u", ".join(parcel_numbers)
+            if year:
+                res += " (%s)" % unicode(year)
+        return res
+
 class ParcelSelectionForm(forms.Form):
     _town = forms.ChoiceField(label=_("Town"), choices=(), required=False,
                              validators=[valid_id(models.Town)])