Add rest of sql-bindings/azure funcs logic to sql bindings ext (#18733)

* refactor the rest of azure function and sql binding

* remove vscode-mssql typings that are moved to our sql-bindings ext

extensions/sql-bindings/src/sql-bindings.d.ts

@@ -0,0 +1,102 @@
+/*---------------------------------------------------------------------------------------------
+ *  Copyright (c) Microsoft Corporation. All rights reserved.
+ *  Licensed under the Source EULA. See License.txt in the project root for license information.
+ *--------------------------------------------------------------------------------------------*/
+
+
+declare module 'sql-bindings' {
+
+	export const enum extension {
+		name = 'Microsoft.sql-bindings',
+		vsCodeName = 'ms-mssql.sql-bindings-vscode'
+	}
+
+	/**
+	 * sql bindings extension
+	 */
+	export interface IExtension {
+		/**
+		 * Adds a SQL Binding to a specified Azure function in a file
+		 * @param bindingType Type of SQL Binding
+		 * @param filePath Path of the file where the Azure Functions are
+		 * @param functionName Name of the function where the SQL Binding is to be added
+		 * @param objectName Name of Object for the SQL Query
+		 * @param connectionStringSetting Setting for the connection string
+		 */
+		addSqlBinding(bindingType: BindingType, filePath: string, functionName: string, objectName: string, connectionStringSetting: string): Promise<ResultStatus>;
+
+		/**
+		 * Gets the names of the Azure Functions in the file
+		 * @param filePath Path of the file to get the Azure Functions
+		 * @returns array of names of Azure Functions in the file
+		 */
+		 getAzureFunctions(filePath: string): Promise<GetAzureFunctionsResult>;
+	}
+
+	/**
+	 * Parameters for adding a SQL binding to an Azure function
+	 */
+	export interface AddSqlBindingParams {
+		/**
+		 * Absolute file path of file to add SQL binding
+		 */
+		filePath: string;
+
+		/**
+		 * Name of function to add SQL binding
+		 */
+		functionName: string;
+
+		/**
+		 * Name of object to use in SQL binding
+		 */
+		objectName: string;
+
+		/**
+		 * Type of Azure function binding
+		 */
+		bindingType: BindingType;
+
+		/**
+		 * Name of SQL connection string setting specified in local.settings.json
+		 */
+		connectionStringSetting: string;
+	}
+
+	/**
+	 * Azure Functions binding type
+	 */
+	export const enum BindingType {
+		input,
+		output
+	}
+
+	/**
+	 * Base result object from a request to the SQL Tools Service
+	 */
+	export interface ResultStatus {
+		success: boolean;
+		errorMessage: string;
+	}
+
+	/**
+	 * Parameters for getting the names of the Azure Functions in a file
+	 */
+	 export interface GetAzureFunctionsParams {
+		/**
+		 * Absolute file path of file to get Azure Functions
+		 */
+		filePath: string;
+	}
+
+	/**
+	 * Result from a get Azure Functions request
+	 */
+	 export interface GetAzureFunctionsResult extends ResultStatus {
+		/**
+		 * Array of names of Azure Functions in the file
+		 */
+		azureFunctions: string[];
+	}
+
+}