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#
# Sonar, entreprise quality control tool.
# Copyright (C) 2008-2012 SonarSource
# mailto:contact AT sonarsource DOT com
#
# Sonar is free software; you can redistribute it and/or
# modify it under the terms of the GNU Lesser General Public
# License as published by the Free Software Foundation; either
# version 3 of the License, or (at your option) any later version.
#
# Sonar is distributed in the hope that it will be useful,
# but WITHOUT ANY WARRANTY; without even the implied warranty of
# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
# Lesser General Public License for more details.
#
# You should have received a copy of the GNU Lesser General Public
# License along with Sonar; if not, write to the Free Software
# Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02
#
class TrendsChart
def self.png_chart(width, height, resource, metrics, locale, display_legend, options={})
java_chart = Java::OrgSonarServerChartsJruby::TrendsChart.new(width, height, locale.to_s.gsub(/\-/, '_'), display_legend)
init_series(java_chart, metrics)
metric_ids=metrics.map{|m| m.id}
add_measures(java_chart, time_machine_measures(resource, metric_ids, options))
add_labels(java_chart, resource);
export_chart_as_png(java_chart)
end
protected
def self.init_series(java_chart, metrics)
metrics.each do |metric|
java_chart.initSerie(metric.id, metric.short_name, metric.val_type==Metric::VALUE_TYPE_PERCENT)
end
end
def self.time_machine_measures(resource, metric_ids, options={})
unless metric_ids.empty?
sql= "select s.created_at as created_at, m.value as value, m.metric_id as metric_id, s.id as sid " +
" from project_measures m LEFT OUTER JOIN snapshots s ON s.id=m.snapshot_id " +
" where m.rule_id is null " +
" and s.status=? " +
" and s.project_id=? " +
" and m.metric_id in (?) " +
" and m.rule_priority is null and m.characteristic_id is null"
if (options[:from])
sql += ' and s.created_at>=?'
end
if (options[:to])
sql += ' and s.created_at<=?'
end
sql += ' order by s.created_at ASC'
conditions=[sql, Snapshot::STATUS_PROCESSED, resource.id, metric_ids]
if (options[:from])
conditions<<options[:from]
end
if (options[:to])
conditions<<options[:to]
end
ProjectMeasure.connection.select_all(Project.send(:sanitize_sql, conditions))
end
end
def self.add_measures(java_chart, sqlresult)
if sqlresult && sqlresult.size>0
sqlresult.each do |hash|
value = hash["value"].to_f
time = Time.parse( hash["created_at"].to_s )
serie_id=hash["metric_id"].to_i
java_chart.addMeasure(value, time, serie_id)
end
end
end
def self.add_labels(java_chart, resource)
categories=EventCategory.categories(true)
category_names=categories.map{|cat| cat.name}
Event.find(:all, :conditions => {:resource_id => resource.id}).each do |event|
if category_names.include?(event.category)
time = Time.parse( event.event_date.to_s )
java_chart.addLabel(time, event.name, event.category==EventCategory::KEY_ALERT)
end
end
end
def self.export_chart_as_png(java_chart)
java_int_array_to_bytes(java_chart.exportChartAsPNG())
end
def self.java_int_array_to_bytes( java_int_array )
# pack does not exists on the return java array proxy object
# the java proxy array contains integers, they must be packed
# to return a correct byte array stream (c*)
[].concat(java_int_array).pack("c*")
end
end
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