Learn more about our open-source project on Github In today's data-driven world, organizations are constantly looking for ways to make their data analysis process more efficient and streamlined.  The recent surge in technologies has revolutionized the field of analytics by enabling natural language interactions, which gave access to data analytics to everyone. DSensei is an open-source bot that connects this technology with people by enabling them to request data analytics in plain English directly within their familiar instant messaging tool. Large Language Model Slack In this post, we'll walk through the steps to set up Dsensei in Slack connecting to BigQuery as its data source. Prerequisites A Slack account with admin access to the workspace to install Dsensei An OpenAI API key (you can generate one from this ) link A Google Cloud account with IAM role to create a service account for BigQuery (see this for detail) roles/iam.serviceAccountCreator doc Setup Now let's start the setup process. Step 1. Create a Setup Slack App First, let's create a new Slack App and install it to the workspace: Sign in to your Slack account in the browser and navigate to https://api.slack.com/apps Click on the "Create New App" button to create a new app, and select "From an app manifest". Select the workspace you want to install the app into. Inside the "Enter app manifest below" dialog select the format to YAML and paste the following manifest: display_information:
 name: sensei
features:
 app_home:
   home_tab_enabled: false
   messages_tab_enabled: true
   messages_tab_read_only_enabled: false
 bot_user:
   display_name: sensei
   always_online: true
 slash_commands:
   - command: /info
     description: Get information about DB
     usage_hint: /info [dbs] | [tables db] | [schema db.table]
     should_escape: false
oauth_config:
 scopes:
   bot:
     - app_mentions:read
     - chat:write
     - commands
     - im:history
     - files:write
     - files:read
settings:
 event_subscriptions:
   bot_events:
     - app_mention
     - message.im
 interactivity:
   is_enabled: true
 org_deploy_enabled: false
 socket_mode_enabled: true
 token_rotation_enabled: false Step 2. Setup BigQuery Credentials Then let's create a Google Cloud Service Account Dsensei to access Bigquery: Sign in to your Google Cloud console in the browser and navigate to . https://console.cloud.google.com/iam-admin/serviceaccounts Select the project you want Dsensei to have access to and you should get into the service account management page. Click "+Create service account". Input "Dsensei" to the "Service account name" and "dsensei" to the "Service account ID", optionally you can also put some description. Click "CREATE AND CONTINUE". Grant the "BigQuery Data Viewer" and "BigQuery Job User" roles to the service account and click "Done". Locate the newly created service account in the list, toggle the "Action" menu, and click the "Manage keys" button. In the "Keys" tab click "ADD KEY" -> "Create new key" to open the key creation dialog. Inside the key creation dialog, select the "JSON" key type and click "CREATE". It should download the JSON file, save the JSON file into the proper path and we will use it later. Step 3. Setup DSensei Service Now with the Slack App and BigQuery access setup, let's set up the Dsensei service: Checkout the Dsensei repo: git clone https://github.com/logunify/dsensei.git Switch to Node 18. You can do that with , details about nvm installation and usage can be found in this . nvm use 18 doc Inside the checked out dsensei folder, run to install all the dependencies. npm install Config credentials, we provide a template on the config, you can use it by renaming to : .env.example .env Config slack credentials: Goto and select the app you just created. https://api.slack.com/apps On the sidebar, select "OAuth & Permissions", and find the oauth token under "Oauth Tokens for Your Workspace" section. It should start with . Copy the token put it under in the file. xoxb- SLACK_BOT_TOKEN .env Then select the "Basic Information" on the sidebar, and find the "Signing Secret" under the "App Credentials" section. Copy the secret and put it under in the file. SLACK_SIGNING_SECRET .env Finally, locate "App-Level Tokens" section under the "Basic Information" tab and click the "Generate Token and Scopes" button to generate an app token. Add the scope in the dialog and click "Generate" to generate the token. The Slack App Token should start with . Copy the token and put it under in the file. connections:write xapp- SLACK_APP_TOKEN .env Config OpenAI API key: Find your OpenAI API key in this , copy the token and put it under in the file. page OPENAI_API_KEY .env Config BigQuery key: In the file, set to the path to the key file we generated above for the service account, like .env BQ_KEY /Users/foo/gcp/dsensei.json [Optional] Whitelist dataset and tables. You might want to limit the dataset/tables this tool can access, you can do so by listing the dataset in a comma-separated string in the field, and/or comma separated list in the field. DATABASES dataset.tablename TABLES Start DSensei and Verify in Slack! That's it, now we should have everything set up, let's start Dsensei and verify it in Slack! [Optional] For the demo purpose, we copy a public sample into our BigQuery project and name it : ecommerce dataset ecommerce Goto this and click "COPY" link Select "CREATE NEW DATASET" Change the Project ID to the project we generate the service account in Step 2 Click "CREATE DATASET" Run to start Dsensei service. You should see Dsensei initialize and loading schema in the logs. In our example, in looks like below: npm run prod 2023-04-26T23:10:00.526Z [SlackApp] info: 
    ____    _____                                _  
   / __ \  / ___/  ___    ____    _____  ___    (_)
  / / / /  \__ \  / _ \  / __ \  / ___/ / _ \  / /
 / /_/ /  ___/ / /  __/ / / / / (__  ) /  __/ / /
/_____/  /____/  \___/ /_/ /_/ /____/  \___/ /_/

2023-04-26T23:10:00.529Z [DataSourceLoader] info: Use data source from BigQuery
[INFO]  socket-mode:SocketModeClient:0 Going to establish a new connection to Slack ...
2023-04-26T23:10:00.782Z [SlackApp] info: Sensei is up running, listening on port 3000
2023-04-26T23:10:00.986Z [BigQuery] info: Loaded databases: ecommerce
[INFO]  socket-mode:SocketModeClient:0 Now connected to Slack
2023-04-26T23:10:01.414Z [BigQuery] info: Loaded table: ecommerce.distribution_centers
2023-04-26T23:10:01.448Z [BigQuery] info: Loaded table: ecommerce.users
2023-04-26T23:10:01.452Z [BigQuery] info: Loaded table: ecommerce.events
2023-04-26T23:10:01.454Z [BigQuery] info: Loaded table: ecommerce.products
2023-04-26T23:10:01.456Z [BigQuery] info: Loaded table: ecommerce.inventory_items
2023-04-26T23:10:01.504Z [BigQuery] info: Loaded table: ecommerce.orders
2023-04-26T23:10:01.529Z [BigQuery] info: Loaded table: ecommerce.order_items
2023-04-26T23:10:01.530Z [BigQuery] info: All 1 databases are loaded.
2023-04-26T23:10:04.334Z [BigQuery] info: Enrichment finished. Now is the fun part, let's play around with Dsensei in Slack: Create a new channel and add to the channel (you can also locate the "sensei" under the "Apps" section on the left and ping it directly): sensei We start with commands to verify that schemas have been loaded. Send to get all the database and here's the response: /info dbs Your databases: 
--------------------
ecommerce Send to get all the tables under dataset and here's the response: /info tables ecommerce ecommerce Your tables in ecommerce: 
--------------------
distribution_centers
events
inventory_items
order_items
orders
products
users Send to get the detailed schema of the table and here's the response: /info schema ecommerce products products Table ecommerce.products schema:
name                    type     description
--------------------------------------------
                    id  INTEGER             
                  cost    FLOAT             
              category   STRING             
                  name   STRING             
                brand   STRING             
          retail_price    FLOAT             
            department   STRING             
                  sku   STRING             
distribution_center_id  INTEGER After verifying the schemas are loaded, we will test with some data questions. Say we want to know the number of orders this month, we can simply just send " " and Dsensei will respond in a thread: @sensei how many new orders do I have this month? We can follow up with Dsensei within the thread, for instance with the number of orders we have this month, we want to know how it compared with last month. Dsensei will memorize the context of all conversations with the thread so we can directly ask the follow-up question by sending " " in the thread, and we get: @sensei how does it compare with last month? pretty cool huh? It can answer more advanced questions that need it to conduct more detailed sql queries. For instance, we want to know the brands that process their more effectively and limit to only brands with more than 100 orders to reduce the bias, which entails the question as: " ". @sensei for those brands having more than 100 orders, give me the top 5 brands that fastest at shipping their orders? Now we have everything set up, enjoy your analytics with DSensei! Closing Thought In conclusion, leveraging the power of chatbots to access and analyze data can greatly improve the efficiency and effectiveness of data analysis processes in organizations. DSensei is a great open-source Slack bot that can help you achieve this goal by allowing you to access and analyze data through natural language commands. By following the steps outlined in this post, you can easily set up DSensei and link it to your BigQuery data source to start benefiting from its features. We’re passionately developing this project and would love for you to be a part of our community on where you can receive the latest news, report bugs, and make feature requests. Please also feel free to submit any feedback on directly. Discord GitHub Try a live demo of DSensei in our Slack Channel The featured image for this article was generated with Kadinksy v2. : Illustrate a Disney-like robot on a messaging app. Prompt

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