feat: support optional query content (#1097)

Co-authored-by: Garfield Dai <dai.hai@foxmail.com>

api/commands.py

@@ -6,6 +6,7 @@ import string
 import time
 
 import click
+from tqdm import tqdm
 from flask import current_app
 from langchain.embeddings import OpenAIEmbeddings
 from werkzeug.exceptions import NotFound
@@ -21,9 +22,9 @@ from libs.password import password_pattern, valid_password, hash_password
 from libs.helper import email as email_validate
 from extensions.ext_database import db
 from libs.rsa import generate_key_pair
-from models.account import InvitationCode, Tenant
+from models.account import InvitationCode, Tenant, TenantAccountJoin
 from models.dataset import Dataset, DatasetQuery, Document
-from models.model import Account
+from models.model import Account, AppModelConfig, App
 import secrets
 import base64
 
@@ -439,6 +440,107 @@ def update_qdrant_indexes():
 
     click.echo(click.style('Congratulations! Update {} dataset indexes.'.format(create_count), fg='green'))
 
+@click.command('update_app_model_configs', help='Migrate data to support paragraph variable.')
+@click.option("--batch-size", default=500, help="Number of records to migrate in each batch.")
+def update_app_model_configs(batch_size):
+    pre_prompt_template = '{{default_input}}'
+    user_input_form_template = {
+        "en-US": [
+            {
+                "paragraph": {
+                    "label": "Query",
+                    "variable": "default_input",
+                    "required": False,
+                    "default": ""
+                }
+            }
+        ],
+        "zh-Hans": [
+            {
+                "paragraph": {
+                    "label": "查询内容",
+                    "variable": "default_input",
+                    "required": False,
+                    "default": ""
+                }
+            }
+        ]
+    }
+
+    click.secho("Start migrate old data that the text generator can support paragraph variable.", fg='green')
+
+    total_records = db.session.query(AppModelConfig) \
+        .join(App, App.app_model_config_id == AppModelConfig.id) \
+        .filter(App.mode == 'completion') \
+        .count()
+    
+    if total_records == 0:
+        click.secho("No data to migrate.", fg='green')
+        return
+
+    num_batches = (total_records + batch_size - 1) // batch_size
+
+    with tqdm(total=total_records, desc="Migrating Data") as pbar:
+        for i in range(num_batches):
+            offset = i * batch_size
+            limit = min(batch_size, total_records - offset)
+
+            click.secho(f"Fetching batch {i+1}/{num_batches} from source database...", fg='green')
+            
+            data_batch = db.session.query(AppModelConfig) \
+                .join(App, App.app_model_config_id == AppModelConfig.id) \
+                .filter(App.mode == 'completion') \
+                .order_by(App.created_at) \
+                .offset(offset).limit(limit).all()
+            
+            if not data_batch:
+                click.secho("No more data to migrate.", fg='green')
+                break
+
+            try:
+                click.secho(f"Migrating {len(data_batch)} records...", fg='green')
+                for data in data_batch:
+                    # click.secho(f"Migrating data {data.id}, pre_prompt: {data.pre_prompt}, user_input_form: {data.user_input_form}", fg='green')
+
+                    if data.pre_prompt is None:
+                        data.pre_prompt = pre_prompt_template
+                    else:
+                        if pre_prompt_template in data.pre_prompt:
+                            continue
+                        data.pre_prompt += pre_prompt_template
+
+                    app_data = db.session.query(App) \
+                        .filter(App.id == data.app_id) \
+                        .one()
+                    
+                    account_data = db.session.query(Account) \
+                        .join(TenantAccountJoin, Account.id == TenantAccountJoin.account_id) \
+                        .filter(TenantAccountJoin.role == 'owner') \
+                        .filter(TenantAccountJoin.tenant_id == app_data.tenant_id) \
+                        .one_or_none()
+
+                    if not account_data:
+                        continue
+
+                    if data.user_input_form is None or data.user_input_form == 'null':
+                        data.user_input_form = json.dumps(user_input_form_template[account_data.interface_language])
+                    else:
+                        raw_json_data = json.loads(data.user_input_form)
+                        raw_json_data.append(user_input_form_template[account_data.interface_language][0])
+                        data.user_input_form = json.dumps(raw_json_data)
+
+                    # click.secho(f"Updated data {data.id}, pre_prompt: {data.pre_prompt}, user_input_form: {data.user_input_form}", fg='green')
+
+                db.session.commit()
+
+            except Exception as e:
+                click.secho(f"Error while migrating data: {e}, app_id: {data.app_id}, app_model_config_id: {data.id}", fg='red')
+                continue
+            
+            click.secho(f"Successfully migrated batch {i+1}/{num_batches}.", fg='green')
+            
+            pbar.update(len(data_batch))
+
 def register_commands(app):
     app.cli.add_command(reset_password)
     app.cli.add_command(reset_email)
@@ -448,4 +550,5 @@ def register_commands(app):
     app.cli.add_command(sync_anthropic_hosted_providers)
     app.cli.add_command(clean_unused_dataset_indexes)
     app.cli.add_command(create_qdrant_indexes)
-    app.cli.add_command(update_qdrant_indexes)
+    app.cli.add_command(update_qdrant_indexes)
+    app.cli.add_command(update_app_model_configs)