metamaps--metamaps/app/services/follow_service.rb

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# frozen_string_literal: true
class FollowService
class << self
def follow(entity, user, reason)
return unless user
return if (reason == 'created' || reason == 'contributed') && !should_auto_follow(entity, user, reason)
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follow = Follow.where(followed: entity, user: user).first_or_create
follow.update_attribute('muted', false)
if FollowReason::REASONS.include?(reason) && !follow.follow_reason.read_attribute(reason)
follow.follow_reason.update_attribute(reason, true)
end
end
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def unfollow(entity, user)
follow = Follow.where(followed: entity, user: user).first
follow.update_attribute('muted', true)
end
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def remove_reason(entity, user, reason)
return unless FollowReason::REASONS.include?(reason)
follow = Follow.where(followed: entity, user: user).first
if follow
follow.follow_reason.update_attribute(reason, false)
if !follow.follow_reason.has_reason
follow.destroy
end
end
end
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protected
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def should_auto_follow(entity, user, reason)
follow = Follow.where(followed: entity, user: user).first
return false if follow && follow.muted
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if entity.class == Topic
if reason == 'created'
return user.settings.follow_topic_on_created == '1'
elsif reason == 'contributed'
return user.settings.follow_topic_on_contributed == '1'
end
elsif entity.class == Map
if reason == 'created'
return user.settings.follow_map_on_created == '1'
elsif reason == 'contributed'
return user.settings.follow_map_on_contributed == '1'
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end
end
end
end
end