user center project package module

app/controllers/users/project_packages_controller.rb

@@ -0,0 +1,17 @@
+class Users::ProjectPackagesController < Users::BaseController
+
+  def index
+    packages = Users::ProjectPackageService.call(observed_user, query_params)
+
+    @count = packages.count
+    @packages = paginate(packages.includes(:project_package_category))
+
+    bidding_users = BiddingUser.where(project_package_id: @packages.map(&:id), user_id: observed_user.id)
+    bidding_users = bidding_users.group(:project_package_id).select(:project_package_id, :status)
+    @bidding_status_map = bidding_users.each_with_object({}) { |u, h| h[u.project_package_id] = u.status }
+  end
+
+  def query_params
+    params.permit(:category, :status, :sort_by, :sort_direction)
+  end
+end

app/models/project_package.rb

@@ -13,6 +13,9 @@ class ProjectPackage < ApplicationRecord
 
   has_many :attachments, as: :container, dependent: :destroy
 
+  scope :visible, -> { where(status: %i[published bidding_ended bidding_finished]) }
+  scope :invisible, -> { where(status: %i[pending applying refused]) }
+
   aasm(:status) do
     state :pending, initiali: true
     state :applying

app/models/user.rb

@@ -123,6 +123,11 @@ class User < ApplicationRecord
   has_many :user_interests, dependent: :delete_all
   has_many :interests, through: :user_interests, source: :repertoire
 
+  # 众包
+  has_many :project_packages, foreign_key: :creator_id, dependent: :destroy
+  has_many :bidding_users, dependent: :destroy
+  has_many :bidden_project_packages, through: :bidding_users, source: :project_package
+
   # Groups and active users
   scope :active, lambda { where(status: STATUS_ACTIVE) }
 
@@ -572,6 +577,10 @@ class User < ApplicationRecord
     Attendance.find_by(user_id: id)&.next_gold || 60  # 基础50，连续签到+10
   end
 
+  def admin_or_business?
+    admin? || business?
+  end
+
   protected
   def validate_password_length
     # 管理员的初始密码是5位

app/services/users/project_package_service.rb

@@ -0,0 +1,76 @@
+class Users::ProjectPackageService < ApplicationService
+  include CustomSortable
+
+  sort_columns :published_at, default_by: :published_at, default_direction: :desc
+
+  attr_reader :user, :params
+
+  def initialize(user, params)
+    @user   = user
+    @params = params
+  end
+
+  def call
+    packages = category_scope_filter
+
+    packages = user_policy_filter(packages)
+
+    custom_sort(packages, :published_at, params[:sort_direction])
+  end
+
+  private
+
+  def category_scope_filter
+    case params[:category]
+    when 'bidden' then
+      user.bidden_project_packages
+    when 'manage' then
+      user.project_packages
+    else
+      ids = user.bidding_users.pluck(:project_package_id) + user.project_packages.pluck(:id)
+      ProjectPackage.where(id: ids)
+    end
+  end
+
+  def user_policy_filter(relations)
+    if self_or_admin?
+      status_filter(relations)
+    else
+      relations.visible
+    end
+  end
+
+  def status_filter(relations)
+    return relations unless self_or_admin?
+
+    case params[:category]
+    when 'bidden' then bidding_status_filter(relations)
+    when 'manage' then package_status_filter(relations)
+    else relations
+    end
+  end
+
+  def bidding_status_filter(relations)
+    case params[:status]
+    when 'bidding_lost' then
+      relations.where(bidding_users: { status: :bidding_lost })
+    when 'bidding_won' then
+      relations.where(bidding_users: { status: :bidding_won })
+    else
+      relations
+    end
+  end
+
+  def package_status_filter(relations)
+    case params[:status]
+    when 'unpublished' then relations.invisible
+    when 'bidding'     then relations.where(status: :published)
+    when 'finished'    then relations.where(status: %w[bidding_ended bidding_finished])
+    else relations
+    end
+  end
+
+  def self_or_admin?
+    User.current&.id == user.id || User.current&.admin_or_business?
+  end
+end

app/views/users/project_packages/index.json.jbuilder

@@ -0,0 +1,20 @@
+user = observed_user
+
+json.count @count
+json.project_packages do
+  json.array! @packages.each do |package|
+    json.extract! package, :id, :title, :status, :min_price, :max_price, :visit_count, :bidding_users_count
+
+    is_creator = user.id == package.creator_id
+    json.type is_creator ? 'manage' : 'bidden'
+    json.category_id package.project_package_category_id
+    json.category_name package.category_name
+
+    unless is_creator
+      json.bidden_status @bidding_status_map[package.id]
+    end
+
+    json.deadline_at package.display_deadline_at
+    json.published_at package.display_published_at
+  end
+end

config/routes.rb

@@ -50,6 +50,7 @@ Rails.application.routes.draw do
         resource :experience_records, only: [:show]
         resource :grade_records, only: [:show]
         resource :watch, only: [:create, :destroy]
+        resources :project_packages, only: [:index]
       end