refactor(libs): extract build_user_content function to avoid duplication

Move the logic for building user content, including topic selection and recent prompts avoidance, into a shared function in generic.py. Update openrouter.py and openwebui.py to use this new function instead of duplicating code.

libs/generic.py

@@ -187,6 +187,45 @@ def load_prompt_models_from_config():
     return prompt_models
 
 
+def build_user_content(topic: str = "random") -> str:
+    """Build the user content string for prompt generation, including topic instructions and recent prompts avoidance."""
+    config = load_config()
+    topic_instruction = ""
+    selected_topic = ""
+    secondary_topic_instruction = ""
+    # Unique list of recent prompts
+    recent_prompts = list(set(load_recent_prompts()))
+
+    if topic == "random":
+        topics = [t.strip() for t in config["comfyui"]["topics"].split(",") if t.strip()]
+        selected_topic = random.choice(topics) if topics else ""
+    elif topic != "":
+        selected_topic = topic
+    else:
+        # Decide on whether to include a topic (e.g., 30% chance to include)
+        topics = [t.strip() for t in config["comfyui"]["topics"].split(",") if t.strip()]
+        if random.random() < 0.3 and topics:
+            selected_topic = random.choice(topics)
+
+    if selected_topic != "":
+        topic_instruction = f" Incorporate the theme of '{selected_topic}' into the new prompt."
+
+    # Add secondary topic if configured and not empty
+    secondary_topic = config["comfyui"].get("secondary_topic", "").strip()
+    if secondary_topic:
+        secondary_topic_instruction = f" Additionally incorporate the theme of '{secondary_topic}' into the new prompt."
+
+    user_content = (
+        "Can you generate me a really random image idea, Do not exceed 20 words. Use clear language, not poetic metaphors."
+        + topic_instruction
+        + secondary_topic_instruction
+        + "Avoid prompts similar to the following:"
+        + "\n".join(f"{i+1}. {p}" for i, p in enumerate(recent_prompts))
+    )
+
+    return user_content
+
+
 def create_prompt_with_random_model(base_prompt: str, topic: str = "random"):
     """Create a prompt using a randomly selected model from OpenWebUI or OpenRouter.
 

libs/openrouter.py

@@ -40,36 +40,7 @@ def create_prompt_on_openrouter(prompt: str, topic: str = "random", model: str =
         logging.warning("OpenRouter is not enabled in the configuration.")
         return ""
 
-    topic_instruction = ""
+    user_content = build_user_content(topic)
-    selected_topic = ""
-    secondary_topic_instruction = ""
-    # Unique list of recent prompts
-    recent_prompts = list(set(load_recent_prompts()))
-    if topic == "random":
-        topics = [t.strip() for t in config["comfyui"]["topics"].split(",") if t.strip()]
-        selected_topic = random.choice(topics) if topics else ""
-    elif topic != "":
-        selected_topic = topic
-    else:
-        # Decide on whether to include a topic (e.g., 30% chance to include)
-        topics = [t.strip() for t in config["comfyui"]["topics"].split(",") if t.strip()]
-        if random.random() < 0.3 and topics:
-            selected_topic = random.choice(topics)
-    if selected_topic != "":
-        topic_instruction = f" Incorporate the theme of '{selected_topic}' into the new prompt."
-
-    # Add secondary topic if configured and not empty
-    secondary_topic = config["comfyui"].get("secondary_topic", "").strip()
-    if secondary_topic:
-        secondary_topic_instruction = f" Additionally incorporate the theme of '{secondary_topic}' into the new prompt, in the style of."
-
-    user_content = (
-        "Can you generate me a really random image idea, Do not exceed 20 words. Use clear language, not poetic metaphors."
-        + topic_instruction
-        + secondary_topic_instruction
-        + "Avoid prompts similar to the following:"
-        + "\n".join(f"{i+1}. {p}" for i, p in enumerate(recent_prompts))
-    )
 
     # Load configured models
     configured_models = [m.strip() for m in user_config["openrouter"]["models"].split(",") if m.strip()]

libs/openwebui.py

@@ -19,36 +19,7 @@ def create_prompt_on_openwebui(prompt: str, topic: str = "random", model: str =
     """Sends prompt to OpenWebui and returns the generated response."""
     # Reload config to get latest values
     config = load_config()
-    topic_instruction = ""
+    user_content = build_user_content(topic)
-    selected_topic = ""
-    secondary_topic_instruction = ""
-    # Unique list of recent prompts
-    recent_prompts = list(set(load_recent_prompts()))
-    if topic == "random":
-        topics = [t.strip() for t in config["comfyui"]["topics"].split(",") if t.strip()]
-        selected_topic = random.choice(topics)
-    elif topic != "":
-        selected_topic = topic
-    else:
-        # Decide on whether to include a topic (e.g., 30% chance to include)
-        topics = [t.strip() for t in config["comfyui"]["topics"].split(",") if t.strip()]
-        if random.random() < 0.3 and topics:
-            selected_topic = random.choice(topics)
-    if selected_topic != "":
-        topic_instruction = f" Incorporate the theme of '{selected_topic}' into the new prompt."
-
-    # Add secondary topic if configured and not empty
-    secondary_topic = config["comfyui"].get("secondary_topic", "").strip()
-    if secondary_topic:
-        secondary_topic_instruction = f" Additionally incorporate the theme of '{secondary_topic}' into the new prompt, in the style of."
-
-    user_content = (
-        "Can you generate me a really random image idea, Do not exceed 20 words. Use clear language, not poetic metaphors."
-        + topic_instruction
-        + secondary_topic_instruction
-        + "Avoid prompts similar to the following:"
-        + "\n".join(f"{i+1}. {p}" for i, p in enumerate(recent_prompts))
-    )
 
     if model:
         # Use the specified model