Пример #1
0
def is_field_number(report, field_name):
    model = loads(report.model)

    classobj = model.get_class_object()
    field = classobj._meta.get_field_by_name(field_name)[0]

    if number_field_regex.match(field.get_internal_type()):
        return True
    return False
Пример #2
0
def _get_report_content(report, request=None):
    model = loads(report.model)
    
    object = model.name
    object = object.split('.')
    
    module_name = object[0] + '.' + object[1] + '.' + object[2]
    import_name = object[3]
    
    module = __import__(module_name, globals(), locals(), [import_name], -1)
    classobj = getattr(module, import_name)
    
    if request:
        unfiltered_set = Object.filter_by_request(request, classobj.objects)
    else:
        unfiltered_set = classobj.objects.exclude(trash=True)

    # construct filter
    filters = {}
    excludes = {}
    for field in model.fields:
        for filter in field.filters:
            if filter['operand']=='is': filters.setdefault(field.name+'__in', []).append( filter['choice'] )
            elif filter['operand']=='not': excludes.setdefault(field.name+'__in', []).append( filter['choice'] )
            elif filter['operand']=='beforedate': filters[field.name+'__gte'] = datetime.date(datetime.strptime(filter['choice'], '%m/%d/%Y'))
            elif filter['operand']=='afterdate': filters[field.name+'__lte'] = datetime.date(datetime.strptime(filter['choice'], '%m/%d/%Y'))
            elif filter['operand']=='beforedatetime': filters[field.name+'__gte'] = datetime.strptime(filter['choice'], '%m/%d/%Y %H:%M')
            elif filter['operand']=='afterdatetime': filters[field.name+'__lte'] = datetime.strptime(filter['choice'], '%m/%d/%Y %H:%M')
            elif filter['operand']=='on': filters.setdefault(field.name+'__in', []).append( datetime.strptime(filter['choice'], '%m/%d/%Y') )

    set = unfiltered_set.filter(**filters).exclude(**excludes)
    
    # Check for group
    groupname = None
    groups = None
    for field in model.fields:
        if field.groupby == 1:
            groupname = field.name
    
    if groupname:
        xfield = classobj._meta.get_field_by_name(groupname)[0]
        xtype = xfield.get_internal_type()
        if xtype == 'ManyToManyField':
            set = sorted(set, key=lambda item: (", ".join([unicode(i) for i in getattr(item, groupname).all()])), reverse=True)
            groups, groupnames = [], []
            for obj in set:
                for n in getattr(obj, groupname).all():
                    if n not in groupnames:
                        groupnames.append(n)
            for n in groupnames:
                l = []
                for obj in set:
                    if n in getattr(obj, groupname).all():
                        l.append(obj)
                groups.append((unicode(n), l))
                
        elif xtype == ('DateTimeField' or 'DateField'):
            set = set.order_by(groupname)
            #set = sorted(set, key = lambda item: getattr(item,groupname))
            #TODO: Fix this sort
            groups, groupnames, l, ng = [], [], [], []
            n = None
            
            if xtype == 'DateTimeField':
                def dt(ob):
                    return getattr(ob, groupname).date()
            else:
                def dt(ob):
                    return getattr(ob, groupname)
            
            for x in set:
                n = dt(x)
                if n:
                    break
            if n:
                for obj in set:
                    if getattr(obj, groupname):
                        if dt(obj) == n:
                            l.append(obj)
                        else:
                            groups.append((unicode(n), l))
                            l = []
                            n = dt(obj)
                            l.append(obj)
                    else:
                        ng.append(obj)
                if ng:
                    groups.append(('None', ng))
       
        else:
            set = sorted(set, key=lambda item: unicode(item.get_field_value(groupname)), reverse=True)
            groups = []
            for g, ks in groupby(set, key=lambda item: unicode(item.get_field_value(groupname))):
                groups.append( (g, list(ks)) )
            xfield = set[0]._meta.get_field_by_name(groupname)[0]
        
        
    # Count aggregate functions
    agg_funcs = {}
    for field in model.fields: # get fields and aggregate functions for them
        if field.display and getattr(field, 'aggregation', None):
            xfield = classobj._meta.get_field_by_name(field.name)[0]
            if number_field_regex.match(xfield.get_internal_type()) \
                and aggregate_functions.has_key(field.aggregation):
                agg_funcs[field.name] = aggregate_functions[field.aggregation]['function']

    aggregations = {}
    if agg_funcs:
        for grouper, ls in groups if groups else (('set', set),):
            data = {}
            for s in ls:
                for key in agg_funcs:
                    data.setdefault(key, []).append(getattr(s, key, 0))
            aggrs = {}
            for key, func in agg_funcs.items():
                aggrs[key] = func(data.get(key,[0,]))
            aggregations[grouper] = aggrs

    return {'model': model,
            'set': set,
            'groups':groups,
            'groupname':groupname,
            'aggregations':aggregations}