Emoji's in Comments

db/migrate/20241008214055_change_comments_charset_and_collation.rb

@@ -0,0 +1,13 @@
+class ChangeCommentsCharsetAndCollation < ActiveRecord::Migration[7.1]
+  def up
+    execute <<-SQL
+      ALTER TABLE comments CONVERT TO CHARACTER SET utf8mb4 COLLATE utf8mb4_0900_ai_ci;
+    SQL
+  end
+
+  def down
+    execute <<-SQL
+      ALTER TABLE comments CONVERT TO CHARACTER SET utf8mb3 COLLATE utf8mb3_general_ci;
+    SQL
+  end
+end

db/migrate/20241008225112_rss_logs_charset_and_collation.rb

@@ -0,0 +1,13 @@
+class RssLogsCharsetAndCollation < ActiveRecord::Migration[7.1]
+  def up
+    execute <<-SQL
+      ALTER TABLE rss_logs CONVERT TO CHARACTER SET utf8mb4 COLLATE utf8mb4_0900_ai_ci;
+    SQL
+  end
+
+  def down
+    execute <<-SQL
+      ALTER TABLE rss_logs CONVERT TO CHARACTER SET utf8mb3 COLLATE utf8mb3_general_ci;
+    SQL
+  end
+end

db/schema.rb

@@ -10,7 +10,7 @@
 #
 # It's strongly recommended that you check this file into your version control system.
 
-ActiveRecord::Schema[7.1].define(version: 2024_10_01_233907) do
+ActiveRecord::Schema[7.1].define(version: 2024_10_08_225112) do
   create_table "api_keys", id: :integer, charset: "utf8mb3", force: :cascade do |t|
     t.datetime "created_at", precision: nil
     t.datetime "last_used", precision: nil
@@ -38,11 +38,11 @@
     t.string "number"
   end
 
-  create_table "comments", id: :integer, charset: "utf8mb3", force: :cascade do |t|
+  create_table "comments", id: :integer, charset: "utf8mb4", collation: "utf8mb4_0900_ai_ci", force: :cascade do |t|
     t.datetime "created_at", precision: nil
     t.integer "user_id"
     t.string "summary", limit: 100
-    t.text "comment"
+    t.text "comment", size: :medium
     t.string "target_type", limit: 30
     t.integer "target_id"
     t.datetime "updated_at", precision: nil
@@ -629,11 +629,11 @@
     t.integer "to_user_id"
   end
 
-  create_table "rss_logs", id: :integer, charset: "utf8mb3", force: :cascade do |t|
+  create_table "rss_logs", id: :integer, charset: "utf8mb4", collation: "utf8mb4_0900_ai_ci", force: :cascade do |t|
     t.integer "observation_id"
     t.integer "species_list_id"
     t.datetime "updated_at", precision: nil
-    t.text "notes"
+    t.text "notes", size: :medium
     t.integer "name_id"
     t.integer "location_id"
     t.integer "project_id"

test/controllers/comments_controller_test.rb

@@ -260,6 +260,28 @@ def test_save_comment
     assert_equal("Some text.", comment.comment)
   end
 
+  def test_save_comment_with_emojis
+    assert_equal(10, rolf.contribution)
+    obs = observations(:minimal_unknown_obs)
+    comment_count = obs.comments.size
+    params = { target: obs.id,
+               type: "Observation",
+               comment: { summary: "🍄 emoji in summary",
+                          comment: "🍄‍🟫 and in body" } }
+
+    assert_nothing_raised do
+      post_requires_login(:create, params)
+    end
+
+    assert_redirected_to(permanent_observation_path(obs.id))
+    assert_equal(11, rolf.reload.contribution)
+    obs.reload
+    assert_equal(comment_count + 1, obs.comments.size)
+    comment = Comment.last
+    assert_equal("🍄 emoji in summary", comment.summary)
+    assert_equal("🍄‍🟫 and in body", comment.comment)
+  end
+
   def test_update_comment
     comment = comments(:minimal_unknown_obs_comment_1)
     obs = comment.target