feeder: create measure for integer fields (#43546)

tests/olap.model

@@ -287,13 +287,6 @@
                "name": "stringCaseSensitive-é",
                "type": "string",
                "value": "\"field_stringCaseSensitive-é\""
-            },
-            {
-               "filter": true,
-               "label": "8th field integer",
-               "name": "integer",
-               "type": "string",
-               "value": "\"field_integer\""
             }
          ],
          "fact_table" : "\"formdata_demande\"",
@@ -416,6 +409,12 @@
                "label" : "localisation géographique",
                "name" : "geolocation",
                "type" : "point"
+            },
+            {
+               "name": "sum_integer",
+               "label": "total du champ « 8th field integer »",
+               "type": "integer",
+               "expression": "SUM({fact_table}.\"field_integer\")"
             }
          ],
          "name" : "formdata_demande",

wcs_olap/feeder.py

@@ -622,6 +622,10 @@ class WcsOlapFeeder(object):
         self.formdata_json_index.append(varname)
 
 
+def has_digits_validation(field):
+    return field.validation and field.validation.get('type') == 'digits'
+
+
 class WcsFormdefFeeder(object):
     def __init__(self, olap_feeder, formdef, do_feed=True):
         self.olap_feeder = olap_feeder
@@ -675,7 +679,10 @@ class WcsFormdefFeeder(object):
             elif field.type == 'bool':
                 field_def = 'boolean'
             elif field.type == 'string':
-                field_def = 'varchar'
+                if has_digits_validation(field):
+                    field_def = 'integer'
+                else:
+                    field_def = 'varchar'
             else:
                 continue
             columns[field.varname] = {
@@ -838,7 +845,13 @@ class WcsFormdefFeeder(object):
                         v = self.get_item_id(field, raw)
                     else:
                         v = None
-                elif field.type in ('string', 'bool'):
+                elif field.type == 'string':
+                    if has_digits_validation(field):
+                        if raw is not None:
+                            v = int(raw)
+                    else:
+                        v = raw
+                elif field.type == 'bool':
                     v = raw
 
                 # unstructured storage of field values
@@ -1074,13 +1087,23 @@ class WcsFormdefFeeder(object):
                     'filter': True,
                 }
             elif field.type == 'string':
-                dimension = {
-                    'name': dimension_name,
-                    'label': dimension_label,
-                    'type': 'string',
-                    'value': quote(field_name),
-                    'filter': True,
-                }
+                if has_digits_validation(field):
+                    # we will define a SUM measure instead
+                    cube['measures'].append({
+                        'name': 'sum_' + dimension_name,
+                        'label': 'total du champ « %s »' % dimension_label,
+                        'type': 'integer',
+                        'expression': 'SUM({fact_table}.%s)' % quote(field_name),
+                    })
+                    continue
+                else:
+                    dimension = {
+                        'name': dimension_name,
+                        'label': dimension_label,
+                        'type': 'string',
+                        'value': quote(field_name),
+                        'filter': True,
+                    }
             else:
                 continue
             if join:

wcs_olap/wcs_api.py

@@ -202,6 +202,7 @@ class Field(BaseObject):
     varname = None
     in_filters = False
     anonymise = None
+    validation = {}
 
 
 class Schema(BaseObject):