#1 #2 #4 バックエンド資産作成

2025-08-06 06:09:57 +09:00
parent 22ddfba57a
commit 634ac6e587
95 changed files with 2283 additions and 0 deletions
@@ -0,0 +1,54 @@
+namespace :migration do
+  desc '旧掲示板からデータを移行する．'
+  task import: :environment do
+    stats = { }
+    sql = LegacyResponse.select('thread_id, MIN(date) AS first_date, MAX(date) AS last_date, COUNT(*) AS cnt')
+                  .group('thread_id')
+                  .to_sql
+    LegacyResponse.connection.select_all(sql).each do |r|
+      stats[r['thread_id'].to_i] = {
+          first_date: r['first_date'],
+          last_date:  r['last_date'],
+          count:      r['cnt'].to_i }
+    end
+
+    ActiveRecord::Base.record_timestamps = false
+    date = '1900-01-01 00:00:00'
+    LegacyThread.find_each do |lt|
+      date = stats[lt.id]&.[](:first_date) || date
+      thread = Topic.find_or_create_by!(
+          id:           lt.id + 1,
+          name:         lt.title,
+          description:  lt.explain.gsub('<p>', '').gsub('</p>', ''),
+          created_at:   date,
+          updated_at:   lt.latest)
+    end
+    ActiveRecord::Base.record_timestamps = true
+
+    LegacyResponse.find_each do |lp|
+      post = Post.new(
+          thread_id:  lp.thread_id + 1,
+          post_no:    lp.response_id,
+          name:       lp.name == '名なしさん' ? nil : lp.name,
+          message:    lp.message.presence,
+          created_at: lp.date,
+          updated_at: lp.date,
+          held:       lp.held,
+          deleted_at: lp.deleted ? lp.date : nil,
+          good:       lp.good,
+          bad:        lp.bad,
+          sensitive:  false)
+
+      post.password = lp.pass.presence
+
+      if lp.image.present?
+        path = ("/var/www/kekec/bbs/images/#{ lp.image }")
+        if File.exist?(path)
+          post.image.attach(io: File.open(path), filename: lp.image)
+        end
+      end
+
+      post.save!
+    end
+  end
+end