add the claim mechanism

app/controllers/claims_controller.rb

@@ -0,0 +1,138 @@
+#coding=utf-8
+class ClaimsController < ApplicationController
+    # skip_before_action :verify_authenticity_token
+    protect_from_forgery with: :null_session
+    before_action :require_login, except: [:index]
+    before_action :set_issue
+
+    def index
+        @user_claimed = 0
+        @claims = @issue.claims.claim_includes.order("created_at desc")
+    
+        @claims.each do |claim|
+            if claim.user_id == current_user.id
+                @user_claimed = 1
+                break
+            end
+        end 
+        render file: 'app/views/claims/list.json.jbuilder'
+    end
+
+    def create
+        @claim = Claim.find_by_sql(["select id from claims where issue_id=? and user_id=?",params[:issue_id], current_user.id])
+        if @claim.present?
+            return normal_status(-1,"您已经声明过该易修")
+        end
+
+        ActiveRecord::Base.transaction do
+            @claim = Claim.new(parse_issue_params(params))
+            if @claim.save
+                @claims = @issue.claims.claim_includes.order("created_at desc")
+                @user_claimed = 1
+                
+                journal_params = {
+                    journalized_id: params[:issue_id],
+                    journalized_type: "Issue",
+                    user_id: current_user.id ,
+                    notes: "新建声明: #{params[:claim_note]}",
+                }
+
+                journal = Journal.new(journal_params)
+                if journal.save
+                    render file: 'app/views/claims/list.json.jbuilder'
+                else
+                    normal_status(-1,"新建声明关联评论操作失败")
+                end
+
+            else
+                normal_status(-1,"新建声明操作失败")
+            end
+        end 
+    end
+
+    def update
+        @claim =  Claim.find_by_id(params[:claim_id])
+        if @claim.blank? 
+            return normal_status(-1,"易修不存在")
+        end
+
+        if @claim.user_id != current_user.id
+            return normal_status(-1,"你不能更新别人的声明")
+        end
+
+        ActiveRecord::Base.transaction do
+            if @claim.update_attribute(:note,params[:claim_note])
+                @claims = @issue.claims.claim_includes.order("created_at desc")
+                @user_claimed = 1
+               
+                journal_params = {
+                    journalized_id: params[:issue_id],
+                    journalized_type: "Issue",
+                    user_id: current_user.id ,
+                    notes: "更新声明: #{params[:claim_note]}",
+                }
+
+                journal = Journal.new(journal_params)
+                if journal.save
+                    render file: 'app/views/claims/list.json.jbuilder'
+                else
+                    normal_status(-1,"新建声明关联评论操作失败")
+                end
+
+            else
+                normal_status(-1,"声明更新操作失败")
+            end
+        end 
+    end
+
+    def destroy
+        @claim = Claim.find_by_sql(["select id from claims where issue_id=? and user_id=?",params[:issue_id], current_user.id])
+        if @claim.blank?
+            normal_status(-1,"您未曾声明过该易修")
+        else 
+            @claim = @claim[0]
+            # 判断current user是否是claimer
+            ActiveRecord::Base.transaction do
+                if @claim.destroy
+
+                    @claims = @issue.claims.claim_includes.order("created_at desc")
+                    @user_claimed = 0
+
+                    journal_params = {
+                        journalized_id: params[:issue_id],
+                        journalized_type: "Issue",
+                        user_id: current_user.id ,
+                        notes: "取消声明",
+                    }
+    
+                    journal = Journal.new(journal_params)
+                    if journal.save
+                        render file: 'app/views/claims/list.json.jbuilder'
+                    else
+                        normal_status(-1,"新建声明关联评论操作失败")
+                    end
+
+                else
+                    normal_status(-1,"取消声明操作失败")
+                end
+            end 
+        end 
+    end
+
+    private
+    def parse_issue_params(params)
+        {
+            issue_id: params[:issue_id],
+            user_id: current_user.id,
+            note: params[:claim_note],
+        }
+    end
+
+    def set_issue
+        @issue = Issue.find_by_id(params[:issue_id])
+        unless @issue.present?
+          normal_status(-1, "易修不存在")
+        end
+      end
+
+end

app/models/claim.rb

@@ -0,0 +1,21 @@
+# == Schema Information
+#
+# Table name: claims
+#
+#  id         :integer          not null, primary key
+#  issue_id   :integer
+#  user_id    :integer
+#  created_at :datetime         not null
+#  updated_at :datetime         not null
+#  note       :text(65535)
+#
+# Indexes
+#
+#  index_claims_on_issue_id  (issue_id)
+#  index_claims_on_user_id   (user_id)
+#
+
+class Claim < ApplicationRecord
+    belongs_to :user, foreign_key: :user_id
+    scope :claim_includes, ->{includes(:user)}
+end

app/models/issue.rb

@@ -64,6 +64,7 @@ class Issue < ApplicationRecord
   # has_many :memos
   has_many :journals, :as => :journalized, :dependent => :destroy
   has_many :journal_details, through: :journals
+  has_many :claims, :dependent => :destroy
   has_many :issue_tags_relates, dependent: :destroy
   has_many :issue_tags, through: :issue_tags_relates
   has_many :issue_times, dependent: :destroy

app/views/claims/_claim_item.json.jbuilder

@@ -0,0 +1,7 @@
+json.user_name claimer.user.try(:show_real_name)
+json.user_login claimer.user.try(:login)
+json.user_picture url_to_avatar(claimer.user)
+json.created_at time_from_now(claimer.created_at)
+json.note_body claimer.note
+json.claim_id claimer.id
+json.visible false

app/views/claims/list.json.jbuilder

@@ -0,0 +1,7 @@
+json.partial! "commons/success"
+json.currentUserclaimed @user_claimed
+json.claimers do
+  json.array! @claims do |claimer|
+    json.partial! "claims/claim_item", claimer: claimer
+  end
+end

config/routes.rb

@@ -9,6 +9,7 @@ Rails.application.routes.draw do
   # Serve websocket cable requests in-process
   mount ActionCable.server => '/cable'
 
+
   get 'attachments/entries/get_file', to: 'attachments#get_file'
   get 'attachments/download/:id', to: 'attachments#show'
   get 'attachments/download/:id/:filename', to: 'attachments#show'
@@ -145,6 +146,16 @@ Rails.application.routes.draw do
           get :get_children_journals
         end
       end
+
+      resources :claims, only: [:index] do
+        collection do
+          post :create
+          delete :destroy
+          get :index
+          put :update
+        end
+      end
+
       resources :issue_times, only: [:create] do
         collection do
           post :end_work

db/migrate/20211115014133_create_claims.rb

@@ -0,0 +1,11 @@
+ails db:migrateclass CreateClaims < ActiveRecord::Migration[5.2]
+  def change
+    create_table :claims do |t|
+      t.integer :issue_id
+      t.integer :user_id
+      t.timestamps
+      t.index :issue_id
+      t.index :user_id
+    end
+  end
+end

db/migrate/20211119135526_add_note_to_claim.rb

@@ -0,0 +1,5 @@
+class AddNoteToClaim < ActiveRecord::Migration[5.2]
+  def change
+    add_column :claims, :note, :text
+  end
+end