[Posts] Log destroyed post information

app/models/destroyed_post.rb

@@ -0,0 +1,3 @@
+class DestroyedPost < ApplicationRecord
+  
+end

app/models/post.rb

@@ -1472,12 +1472,43 @@ class Post < ApplicationRecord
   end
 
   module DeletionMethods
+    def backup_post_data_destroy
+      post_data = {
+          id: id,
+          description: description,
+          md5: md5,
+          tags: tag_string,
+          height: image_height,
+          width: image_width,
+          file_size: file_size,
+          sources: source,
+          approver_id: approver_id,
+          locked_tags: locked_tags,
+          rating: rating,
+          parent_id: parent_id,
+          change_seq: change_seq,
+          is_deleted: is_deleted,
+          is_pending: is_pending,
+          duration: duration,
+          fav_count: fav_count,
+          comment_count: comment_count
+      }
+      DestroyedPost.create!(post_id: id, post_data: post_data, md5: md5,
+                            uploader_ip_addr: uploader_ip_addr, uploader_id: uploader_id,
+                            destroyer_id: CurrentUser.id, destroyer_ip_addr: CurrentUser.ip_addr,
+                            upload_date: created_at)
+    end
+
     def expunge!
       if is_status_locked?
         self.errors.add(:is_status_locked, "; cannot delete post")
         return false
       end
 
+      transaction do
+        backup_post_data_destroy
+      end
+
       transaction do
         Post.without_timeout do
           ModAction.log(:post_destroy, {post_id: id, md5: md5})

db/migrate/20201113073842_create_destroyed_posts.rb

@@ -0,0 +1,15 @@
+class CreateDestroyedPosts < ActiveRecord::Migration[6.0]
+  def change
+    create_table :destroyed_posts do |t|
+      t.integer :post_id, null: false
+      t.string :md5, null: false
+      t.integer :destroyer_id, null: false
+      t.inet :destroyer_ip_addr, null: false
+      t.integer :uploader_id
+      t.inet :uploader_ip_addr
+      t.timestamp :upload_date
+      t.json :post_data, null: false
+      t.timestamps
+    end
+  end
+end

db/structure.sql

@@ -550,6 +550,44 @@ CREATE SEQUENCE public.comments_id_seq
 ALTER SEQUENCE public.comments_id_seq OWNED BY public.comments.id;
 
 
+--
+-- Name: destroyed_posts; Type: TABLE; Schema: public; Owner: -
+--
+
+CREATE TABLE public.destroyed_posts (
+    id bigint NOT NULL,
+    post_id integer NOT NULL,
+    md5 character varying NOT NULL,
+    destroyer_id integer NOT NULL,
+    destroyer_ip_addr inet NOT NULL,
+    uploader_id integer,
+    uploader_ip_addr inet,
+    upload_date timestamp without time zone,
+    post_data json NOT NULL,
+    created_at timestamp(6) without time zone NOT NULL,
+    updated_at timestamp(6) without time zone NOT NULL
+);
+
+
+--
+-- Name: destroyed_posts_id_seq; Type: SEQUENCE; Schema: public; Owner: -
+--
+
+CREATE SEQUENCE public.destroyed_posts_id_seq
+    START WITH 1
+    INCREMENT BY 1
+    NO MINVALUE
+    NO MAXVALUE
+    CACHE 1;
+
+
+--
+-- Name: destroyed_posts_id_seq; Type: SEQUENCE OWNED BY; Schema: public; Owner: -
+--
+
+ALTER SEQUENCE public.destroyed_posts_id_seq OWNED BY public.destroyed_posts.id;
+
+
 --
 -- Name: dmail_filters; Type: TABLE; Schema: public; Owner: -
 --
@@ -2714,6 +2752,13 @@ ALTER TABLE ONLY public.comment_votes ALTER COLUMN id SET DEFAULT nextval('publi
 ALTER TABLE ONLY public.comments ALTER COLUMN id SET DEFAULT nextval('public.comments_id_seq'::regclass);
 
 
+--
+-- Name: destroyed_posts id; Type: DEFAULT; Schema: public; Owner: -
+--
+
+ALTER TABLE ONLY public.destroyed_posts ALTER COLUMN id SET DEFAULT nextval('public.destroyed_posts_id_seq'::regclass);
+
+
 --
 -- Name: dmail_filters id; Type: DEFAULT; Schema: public; Owner: -
 --
@@ -3181,6 +3226,14 @@ ALTER TABLE ONLY public.comments
     ADD CONSTRAINT comments_pkey PRIMARY KEY (id);
 
 
+--
+-- Name: destroyed_posts destroyed_posts_pkey; Type: CONSTRAINT; Schema: public; Owner: -
+--
+
+ALTER TABLE ONLY public.destroyed_posts
+    ADD CONSTRAINT destroyed_posts_pkey PRIMARY KEY (id);
+
+
 --
 -- Name: dmail_filters dmail_filters_pkey; Type: CONSTRAINT; Schema: public; Owner: -
 --
@@ -5082,6 +5135,7 @@ INSERT INTO "schema_migrations" (version) VALUES
 ('20200420032714'),
 ('20200713053034'),
 ('20200806101238'),
-('20200910015420');
+('20200910015420'),
+('20201113073842');