forked from Trustie/forgeplus
110 lines
3.5 KiB
Ruby
110 lines
3.5 KiB
Ruby
class Home::PlatformCommunicatesController < ApplicationController
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before_action :require_login, only: [:submit_vote, :vote_results]
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before_action :load_vote, only: [:submit_vote, :vote_results]
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def index
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location = params[:location] || "pc"
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scope = PlatformCommunicate.where(status:true).where(location: location).order(order_index: :desc)
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@communicates = kaminari_paginate(scope.includes(:vote))
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end
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def submit_vote
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return render_error("投票已结束！") if @vote.expired?
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# 处理投票选项
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selected_option_ids = vote_params[:vote_option_ids] || []
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# 验证选择数量
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validation_result = validate_vote_selections(selected_option_ids)
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return render_error(validation_result[:message]) unless validation_result[:valid]
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# 保存投票
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result = save_user_votes(selected_option_ids)
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if result[:success]
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render_ok
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else
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render_error(result[:errors].join(', '))
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end
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end
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def vote_results
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@vote_results = @vote.results_with_cache
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@selected_option_ids = current_user.user_vote_options.where(vote_option: @vote.vote_options).pluck(:vote_option_id)
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end
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private
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def load_vote
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@communicate = PlatformCommunicate.find_by_id(params[:id])
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@vote = @communicate.vote
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return render_error("投票不存在！") unless @vote.present?
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end
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def vote_params
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params.require(:vote).permit(vote_option_ids: [])
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end
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def validate_vote_selections(selected_option_ids)
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selected_option_ids = Array(selected_option_ids).map(&:to_i).uniq
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# 检查是否选择了选项
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if selected_option_ids.empty?
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return { valid: false, message: '请至少选择一个投票选项' }
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end
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# 检查选项是否属于该投票
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valid_option_ids = @vote.vote_options.pluck(:id)
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invalid_options = selected_option_ids - valid_option_ids
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unless invalid_options.empty?
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return { valid: false, message: '包含无效的投票选项' }
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end
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# 检查选择数量限制
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if @vote.is_multiple_choice
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max_choices = @vote.max_choice_vote_options_count || selected_option_ids.length
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if selected_option_ids.length > max_choices
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return {
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valid: false,
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message: "最多只能选择 #{max_choices} 个选项"
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}
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end
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else
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if selected_option_ids.length > 1
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return { valid: false, message: '只能选择一个选项' }
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end
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end
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{ valid: true }
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end
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def save_user_votes(selected_option_ids)
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selected_option_ids = Array(selected_option_ids).map(&:to_i)
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saved_selections = []
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errors = []
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ActiveRecord::Base.transaction do
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# 如果是多选，先删除用户之前的投票记录（重新投票）
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if @vote.is_multiple_choice
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@vote.user_vote_options.where(user_id: current_user.id).destroy_all
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end
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selected_option_ids.each do |option_id|
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vote_option = @vote.vote_options.find(option_id)
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user_vote_option = current_user.user_vote_options.new(
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vote_option: vote_option
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)
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if user_vote_option.save
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saved_selections << user_vote_option
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else
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errors << user_vote_option.errors.full_messages
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raise ActiveRecord::Rollback
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end
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end
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end
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if errors.empty?
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{ success: true, selections: saved_selections }
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else
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{ success: false, errors: errors.flatten }
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end
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end
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end |