Query Lockup

gistfile1.js

sc_require('data');

SC.mixin(V6Grapher, {


    // Retrieve graph data from source
    getGraphingData: function() {
        return V6Grapher.Data.split("\n");
    },

    // Process graphing data
    processData: function(graphData) {
        // prepare each line for processing
        graphData = this._clean(graphData);

        // Split the lines into data chunks
        this._process(graphData);
    },

    _clean: function(graphData){
        var line;
        for (var i=0; i<graphData.length; i++){
            // Chop off ".png"
            line = graphData[i];
            var pngIndex = line.indexOf(".png");
            graphData[i] = line.substring(0, pngIndex);
        }
        return graphData;
    },

    _process: function(pre_processed){

        this.devices = V6Grapher.store.find(V6Grapher.Device);
        this.sites = V6Grapher.store.find(V6Grapher.Site);
        this.time_ranges = V6Grapher.store.find(V6Grapher.TimeRange);
        
        var line;
        for (var i=0; i<pre_processed.length; i++){
            // Split up into data chunks
            line = pre_processed[i];
            var processed = line.split('-');
            
            if (processed.length > 3){
                var time_name = processed[0] + " " + processed[1];
                var site_name = processed[2];
                var device_name = processed[3];
            } else { 
                var site_name = processed[2];
                var time_name = processed[0] + " " + processed[1];            
                var device_name = "All - " + site_name ;
            }

            var site = this._get_site(site_name);
            var time_range = this._get_time_range(time_name);
            var device = this._get_device(device_name);
            device.set('site', site);
            device.get('time_ranges').pushObject(time_range);
        }
    },

    _get_site: function(name){
        var query = SC.Query.local(V6Grapher.Site, {
            conditions: 'name = {name}',
            parameters: { name: name }
        });

        var site;
        site = this.sites.find(query);
        site = site.firstObject();
        if (site) {
            return site;
        } else {
            return V6Grapher.store.createRecord(V6Grapher.Site, {name: name});
        }

    },

    _get_device: function(name){
        var query = SC.Query.local(V6Grapher.Device, {
            conditions: 'name = {name}',
            parameters: { name: name }
        });

        var device;
        device = this.devices.find(query);
        device = device.firstObject();

        if (device) {
            return device;
        } else {
            return V6Grapher.store.createRecord(V6Grapher.Device, {name: name});
        }

    },

    _get_time_range: function(name){
        var query = SC.Query.local(V6Grapher.TimeRange, {
            conditions: 'name = {name}',
            parameters: { name: name }
        });

        var time_range;
        time_range = this.time_ranges.find(query);
        time_range = time_range.firstObject();

        if (time_range) {
            return time_range;
        } else {
            return V6Grapher.store.createRecord(V6Grapher.TimeRange, {name: name});
        }
    }
});