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68 lines
2.5 KiB
68 lines
2.5 KiB
6 years ago
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class MigrateLightBackgroundThemes < ActiveRecord::Migration[5.1]
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NEW_COLOR_VARIABLES = %w( main-menu-font-color
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main-menu-bg-selected-background
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main-menu-selected-font-color
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main-menu-bg-hover-background
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main-menu-hover-font-color
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main-menu-border-color ).freeze
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def down
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# This migration is not revertible.
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end
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def up
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# This migration is "nice to have". There is no harm if it does not get applied.
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return unless apply?
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# Main menu was set to white
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if DesignColor.find_by(variable: 'main-menu-bg-color')&.hexcode == '#FFFFFF'
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set_old_default_menu_colors
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end
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# Header is white and main menu was default light grey
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if DesignColor.find_by(variable: 'header-bg-color')&.hexcode == '#FFFFFF' &&
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DesignColor.find_by(variable: 'main-menu-bg-color').nil?
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set_variable('main-menu-bg-color', '#F8F8F8')
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set_old_default_menu_colors
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end
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end
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def set_old_default_menu_colors
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content_link_color = DesignColor.find_by(variable: 'content-link-color')&.hexcode ||
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DesignColor.find_by(variable: 'primary-color-dark')&.hexcode ||
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"#175A8E"
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set_variable('main-menu-font-color', '#333333')
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set_variable('main-menu-bg-selected-background', '#E9E9E9')
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set_variable('main-menu-selected-font-color', content_link_color)
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set_variable('main-menu-bg-hover-background', '#F0F0F0')
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set_variable('main-menu-hover-font-color', '#333333')
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set_variable('main-menu-border-color', '#E7E7E7')
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end
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def set_variable(variable_name, hexcode)
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DesignColor.create(variable: variable_name, hexcode: hexcode)
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end
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def apply?
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# Future safety: Check that all necessary variables are still in use.
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%w( content-link-color
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header-bg-color
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header-border-bottom-color
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main-menu-bg-color
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main-menu-font-color
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main-menu-bg-selected-background
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main-menu-selected-font-color
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main-menu-bg-hover-background
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main-menu-hover-font-color
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main-menu-border-color ).each do |variable_name|
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return false unless OpenProject::Design.customizable_variables.include? variable_name
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end
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# Never ever overwrite variables that were already set.
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# The existence of one variable is sufficient to better abort this migration.
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false if DesignColor.where(variable: NEW_COLOR_VARIABLES).any?
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true
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end
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end
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