adding the ability to merge characters

app/controllers/character/versions_controller.rb

@@ -27,7 +27,7 @@ def revert
 
   def merge
     version_to_merge = @version.reify
-    MergeWritingStylesJob.perform_later(@writing_style, version_to_merge)
+    MergeCharacterPromptsJob.perform_later(@character, version_to_merge)
 
     redirect_to character_path(@character)
   end

app/jobs/iterate_on_character_prompt_job.rb

@@ -5,8 +5,8 @@ def perform(character, message)
     @client = OpenAI::Client.new
 
     system_role = <<~SYSTEM_ROLE
-        You are a college level english teacher.#{' '}
-        You will be provided with a character description for ChatGPT and
+      You are a college level english teacher.
+      You will be provided with a character description for ChatGPT and
       a request asking to modify it. Return only the character description.
     SYSTEM_ROLE
 

app/jobs/merge_character_prompts_job.rb

@@ -0,0 +1,58 @@
+class MergeCharacterPromptsJob < ApplicationJob
+  queue_as :default
+
+  def perform(character, version_to_merge)
+    prompt_1 = character.prompt
+    prompt_2 = version_to_merge.prompt
+
+    @client = OpenAI::Client.new
+
+    system_role = <<~SYSTEM_ROLE
+      You are a college level english teacher.
+      You will be provided with two character descriptions for ChatGPT.
+      Your task is to join the two character descriptions and factor out commonalities, merging them into a cohesive, unified character description.#{' '}
+      Return only the character description.
+      DONT MAKE ANYTHING UP.
+    SYSTEM_ROLE
+
+    messages = [
+      { role: "system", content: system_role },
+      { role: "user", content: "description_1:\n#{prompt_1}\n--------\n#description_2:\n#{prompt_2}" }
+    ]
+
+    sleep(0.5)
+
+    character.update(pending: true)
+    broadcast_character_update(character)
+
+    sleep(3)
+
+    response = chat(messages:)
+
+    character.update(prompt: response["choices"][0]["message"]["content"], pending: false)
+
+    broadcast_character_update(character)
+  end
+
+  private
+
+  def chat(messages:)
+    @client.chat(
+      parameters: {
+        model: ENV['OPENAI_GPT_MODEL'], # Required.
+        messages:,
+        temperature: 0.7
+      }
+    )
+  end
+
+  def broadcast_character_update(character)
+    # This broadcasts to the specific Turbo Stream channel for the writing style
+    Turbo::StreamsChannel.broadcast_update_to(
+      "character_#{character.id}", # unique identifier for the writing style
+      target: "character_#{character.id}_prompt", # the DOM ID where the prompt will be inserted
+      partial: "characters/prompt", # partial view to render the updated content
+      locals: { character: }
+    )
+  end
+end