feat(CE): AIS Data store destination connector (#462)

Co-authored-by: afthab vp <[email protected]>

integrations/Gemfile.lock

@@ -7,7 +7,7 @@ GIT
 PATH
   remote: .
   specs:
-    multiwoven-integrations (0.14.2)
+    multiwoven-integrations (0.15.0)
       MailchimpMarketing
       activesupport
       async-websocket

integrations/lib/multiwoven/integrations.rb

@@ -93,6 +93,7 @@
 require_relative "integrations/destination/microsoft_excel/client"
 require_relative "integrations/destination/microsoft_sql/client"
 require_relative "integrations/destination/mailchimp/client"
+require_relative "integrations/destination/ais_data_store/client"
 
 module Multiwoven
   module Integrations

integrations/lib/multiwoven/integrations/destination/ais_data_store/client.rb

@@ -0,0 +1,127 @@
+# frozen_string_literal: true
+
+require "pg"
+
+module Multiwoven::Integrations::Destination
+  module AISDataStore
+    include Multiwoven::Integrations::Core
+    class Client < DestinationConnector
+      def check_connection(connection_config)
+        connection_config = connection_config.with_indifferent_access
+        create_connection(connection_config)
+        ConnectionStatus.new(
+          status: ConnectionStatusType["succeeded"]
+        ).to_multiwoven_message
+      rescue PG::Error => e
+        ConnectionStatus.new(
+          status: ConnectionStatusType["failed"], message: e.message
+        ).to_multiwoven_message
+      end
+
+      def discover(connection_config)
+        connection_config = connection_config.with_indifferent_access
+        query = "SELECT table_name, column_name, data_type, is_nullable
+                 FROM information_schema.columns
+                 WHERE table_schema = '#{connection_config[:schema]}' AND table_catalog = '#{connection_config[:database]}'
+                 ORDER BY table_name, ordinal_position;"
+
+        db = create_connection(connection_config)
+        records = db.exec(query) do |result|
+          result.map do |row|
+            row
+          end
+        end
+        catalog = Catalog.new(streams: create_streams(records))
+        catalog.to_multiwoven_message
+      rescue StandardError => e
+        handle_exception(e, {
+                           context: "POSTGRESQL:DISCOVER:EXCEPTION",
+                           type: "error"
+                         })
+      ensure
+        db&.close
+      end
+
+      def write(sync_config, records, action = "destination_insert")
+        connection_config = sync_config.destination.connection_specification.with_indifferent_access
+        table_name = sync_config.stream.name
+        primary_key = sync_config.model.primary_key
+        log_message_array = []
+        db = create_connection(connection_config)
+
+        write_success = 0
+        write_failure = 0
+
+        records.each do |record|
+          query = Multiwoven::Integrations::Core::QueryBuilder.perform(action, table_name, record, primary_key)
+          logger.debug("POSTGRESQL:WRITE:QUERY query = #{query} sync_id = #{sync_config.sync_id} sync_run_id = #{sync_config.sync_run_id}")
+          begin
+            response = db.exec(query)
+            write_success += 1
+            log_message_array << log_request_response("info", query, response)
+          rescue StandardError => e
+            handle_exception(e, {
+                               context: "POSTGRESQL:RECORD:WRITE:EXCEPTION",
+                               type: "error",
+                               sync_id: sync_config.sync_id,
+                               sync_run_id: sync_config.sync_run_id
+                             })
+            write_failure += 1
+            log_message_array << log_request_response("error", query, e.message)
+          end
+        end
+        tracking_message(write_success, write_failure, log_message_array)
+      rescue StandardError => e
+        handle_exception(e, {
+                           context: "POSTGRESQL:RECORD:WRITE:EXCEPTION",
+                           type: "error",
+                           sync_id: sync_config.sync_id,
+                           sync_run_id: sync_config.sync_run_id
+                         })
+      end
+
+      private
+
+      def query(connection, query)
+        connection.exec(query) do |result|
+          result.map do |row|
+            RecordMessage.new(data: row, emitted_at: Time.now.to_i).to_multiwoven_message
+          end
+        end
+      end
+
+      def create_connection(connection_config)
+        raise "Unsupported Auth type" unless connection_config[:credentials][:auth_type] == "username/password"
+
+        PG.connect(
+          host: connection_config[:host],
+          dbname: connection_config[:database],
+          user: connection_config[:credentials][:username],
+          password: connection_config[:credentials][:password],
+          port: connection_config[:port]
+        )
+      end
+
+      def create_streams(records)
+        group_by_table(records).map do |r|
+          Multiwoven::Integrations::Protocol::Stream.new(name: r[:tablename], action: StreamAction["fetch"], json_schema: convert_to_json_schema(r[:columns]))
+        end
+      end
+
+      def group_by_table(records)
+        records.group_by { |entry| entry["table_name"] }.map do |table_name, columns|
+          {
+            tablename: table_name,
+            columns: columns.map do |column|
+              {
+                column_name: column["column_name"],
+                type: column["data_type"],
+                optional: column["is_nullable"] == "YES"
+              }
+            end
+          }
+        end
+      end
+    end
+  end
+end

integrations/lib/multiwoven/integrations/destination/ais_data_store/config/meta.json

@@ -0,0 +1,15 @@
+{
+  "data": {
+    "name": "AISDataStore",
+    "title": "AIS Data Store",
+    "connector_type": "destination",
+    "category": "Database",
+    "documentation_url": "https://docs.mutliwoven.com",
+    "github_issue_label": "destination-postgresql",
+    "icon": "icon.svg",
+    "license": "MIT",
+    "release_stage": "alpha",
+    "support_level": "community",
+    "tags": ["language:ruby", "multiwoven"]
+  }
+}

integrations/lib/multiwoven/integrations/destination/ais_data_store/config/spec.json

@@ -0,0 +1,68 @@
+{
+  "documentation_url": "https://docs.multiwoven.com/integrations/sources/postgresql",
+  "stream_type": "dynamic",
+  "connection_specification": {
+    "$schema": "http://json-schema.org/draft-07/schema#",
+    "title": "Postgresql",
+    "type": "object",
+    "required": ["host", "port", "database", "schema"],
+    "properties": {
+      "credentials": {
+        "title": "",
+        "type": "object",
+        "required": ["auth_type", "username", "password"],
+        "properties": {
+          "auth_type": {
+            "type": "string",
+            "default": "username/password",
+            "order": 0,
+            "readOnly": true
+          },
+          "username": {
+            "description": "Username refers to your individual PostgreSQL login credentials. At a minimum, the user associated with these credentials must be granted read access to the data intended for synchronization.",
+            "examples": ["POSTGRESQL_USER"],
+            "type": "string",
+            "title": "Username",
+            "order": 1
+          },
+          "password": {
+            "description": "This field requires the password associated with the user account specified in the preceding section.",
+            "type": "string",
+            "multiwoven_secret": true,
+            "title": "Password",
+            "order": 2
+          }
+        },
+        "order": 0
+      },
+      "host": {
+        "description": "The hostname or IP address of your PostgreSQL server.",
+        "examples": ["127.0.0.1"],
+        "type": "string",
+        "title": "Host",
+        "order": 1
+      },
+      "port": {
+        "description": "The port number for your PostgreSQL server, which defaults to 5432, may vary based on your configuration. ",
+        "examples": ["5432"],
+        "type": "string",
+        "title": "Port",
+        "order": 2
+      },
+      "database": {
+        "description": "The specific PostgreSQL database to connect to.",
+        "examples": ["POSTGRESQL_DB"],
+        "type": "string",
+        "title": "Database",
+        "order": 3
+      },
+      "schema": {
+        "description": "The schema within the PostgreSQL database.",
+        "examples": ["POSTGRESQL_SCHEMA"],
+        "type": "string",
+        "title": "Schema",
+        "order": 4
+      }
+    }
+  }
+}