odoo.define('web.DataModel', function (require) {
"use strict";

var data = require('web.data');
var Model = require('web.Model');
var pyeval = require('web.pyeval');
var session = require('web.session');

Model.include({
    /**
     * Fetches a Query instance bound to this model, for searching
     *
     * @param {Array<String>} [fields] fields to ultimately fetch during the search
     * @returns {instance.web.Query}
     */
    query: function (fields) {
        return new data.Query(this, fields);
    },
    /**
     * Fetches the model's domain, combined with the provided domain if any
     *
     * @param {Array} [domain] to combine with the model's internal domain
     * @returns {instance.web.CompoundDomain} The model's internal domain, or the AND-ed union of the model's internal domain and the provided domain
     */
    domain: function (domain) {
        if (!domain) { return this._domain; }
        return new data.CompoundDomain(this._domain, domain);
    },
    /**
     * Fetches the combination of the user's context and the domain context,
     * combined with the provided context if any
     *
     * @param {Object} [context] to combine with the model's internal context
     * @returns {instance.web.CompoundContext} The union of the user's context and the model's internal context, as well as the provided context if any. In that order.
     */
    context: function (context) {
        return new data.CompoundContext(session.user_context, this._context, context || {});
    },
    /**
     * Call a method (over RPC) on the bound OpenERP model.
     *
     * @param {String} method name of the method to call
     * @param {Array} [args] positional arguments
     * @param {Object} [kwargs] keyword arguments
     * @param {Object} [options] additional options for the rpc() method
     * @returns {jQuery.Deferred<>} call result
     */
    call: function (method, args, kwargs, options) {
        args = args || [];
        kwargs = kwargs || {};
        if (!_.isArray(args)) {
            // call(method, kwargs)
            kwargs = args;
            args = [];
        }
        pyeval.ensure_evaluated(args, kwargs);
        var call_kw = '/web/dataset/call_kw/' + this.name + '/' + method;
        return session.rpc(call_kw, {
            model: this.name,
            method: method,
            args: args,
            kwargs: kwargs
        }, options);
    },
    call_button: function (method, args) {
        pyeval.ensure_evaluated(args, {});
        return session.rpc('/web/dataset/call_button', {
            model: this.name,
            method: method,
            // Should not be necessary anymore. Integrate remote in this?
            domain_id: null,
            context_id: args.length - 1,
            args: args || []
        });
    },

});

return Model;
});