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Solve the following problem using Python, implementing the functions described below, one line at a time
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Description:
 def search(self, rtype, **kwargs):
 """ Search for the model by assorted criteria Quite a bit needs to happen for a search processing! The breakdown is we need to apply the query parameters where applicable. These include pagination, sorting, & filtering. Additionally, models can declare there own static filters or static query that should be applied. For static filters a model can opt-in with a `search_filters` property & for a static query to append a `search_query` property must be present. """


        model = rtype_to_model(rtype)
        param = {}
        pages = self.pages_query(kwargs.get('pages'))
        sorts = self.sorts_query(kwargs.get(
            'sorts', [Sortable(goldman.config.SORT)]
        ))

        query = """
                SELECT {cols}, count(*) OVER() as _count
                FROM {table}
                """
        query = query.format(
            cols=self.field_cols(model),
            table=rtype,
        )

        filters = kwargs.get('filters', [])
        filters += getattr(model, 'search_filters', []) or []

        if filters:
            where, param = self.filters_query(filters)
            query += where

        model_query = getattr(model, 'search_query', '') or ''
        if filters and model_query:
            model_query = ' AND ' + model_query
        elif model_query:
            model_query = ' WHERE ' + model_query

        query += model_query
        query += sorts
        query += pages

        signals.pre_search.send(model.__class__, model=model)

        result = self.query(query, param=param)
        models = [model(res) for res in result]

        if models:
            signals.post_search.send(model.__class__, models=result)

        pages = kwargs.get('pages')
        if pages and result:
            pages.total = result[0]['_count']

        return models