79 lines
1.5 KiB
Ruby
79 lines
1.5 KiB
Ruby
class ChartsController < ApplicationController
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def index
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set_channels_menu
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@channel = Channel.find(params[:channel_id])
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@channel_id = params[:channel_id]
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@domain = domain
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# default chart size
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@width = default_width
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@height = default_height
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check_permissions(@channel)
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end
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def show
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# allow these parameters when creating feed querystring
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feed_params = ['key','days','start','end','round','timescale','average','median','sum']
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# default chart size
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@width = default_width
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@height = default_height
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# add extra parameters to querystring
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@qs = ''
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params.each do |p|
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@qs += "&#{p[0]}=#{p[1]}" if feed_params.include?(p[0])
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end
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# fix chart colors if necessary
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params[:color] = fix_color(params[:color])
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params[:bgcolor] = fix_color(params[:bgcolor])
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@domain = domain
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render :layout => false
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end
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# save chart options
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def update
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@channel = Channel.find(params[:channel_id])
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@status = 0
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# check permissions
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if @channel.user_id == current_user.id
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# save data
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@channel["options#{params[:id]}"] = params[:options]
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if @channel.save
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@status = 1
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end
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end
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# return response: 1=success, 0=failure
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render :json => @status.to_json
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end
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private
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def default_width
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450
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end
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def default_height
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250
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end
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# fixes chart color if user forgets the leading '#'
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def fix_color(color)
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# check for 3 or 6 character hexadecimal value
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if (color and color.match(/^([0-9]|[a-f]|[A-F]){3}(([0-9]|[a-f]|[A-F]){3})?$/))
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color = '#' + color
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end
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return color
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end
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end
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