35 lines
1.0 KiB
Ruby
35 lines
1.0 KiB
Ruby
# Generate statistics, around events, by date or place
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class StatsController < ApplicationController
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before_action :set_temporal, :set_local, only: [:index]
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private
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def set_temporal
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@year_events = Event.group(year_grouping).count
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@month_events = Event.group(year_grouping, month_grouping).count
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end
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def set_local
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@region_events = Event.joins(:related_region).group(:name)
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.order('count(name) desc').count
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@city_events = Event.group(:city).having('count(city) > 3')
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.order('count(city) desc').count
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end
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def year_grouping
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if %w(Mysql2 MySQL PostgreSQL).include? Event.connection.adapter_name
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'extract(year from start_time)'
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elsif Event.connection.adapter_name == 'SQLite'
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'strftime("%Y", start_time)'
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end
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end
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def month_grouping
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if %w(Mysql2 MySQL PostgreSQL).include? Event.connection.adapter_name
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'extract(month from start_time)'
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elsif Event.connection.adapter_name == 'SQLite'
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'strftime("%m", start_time)'
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end
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end
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end
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