hook up add sql binding (#16838)

* hookup add sql binding

* fix typo

* addressing comments

* Addressing more comments

* add more comments

extensions/sql-database-projects/src/typings/vscode-mssql.d.ts

@@ -39,6 +39,11 @@ declare module 'vscode-mssql' {
          */
         readonly schemaCompare: ISchemaCompareService;
 
+        /**
+         * Service for accessing AzureFunctions functionality
+         */
+        readonly azureFunctions: IAzureFunctionsService;
+
         /**
          * Prompts the user to select an existing connection or create a new one, and then returns the result
          * @param ignoreFocusOut Whether the quickpick prompt ignores focus out (default false)
@@ -51,7 +56,7 @@ declare module 'vscode-mssql' {
          * @param connectionInfo The connection info
          * @returns The URI associated with this connection
          */
-		connect(connectionInfo: IConnectionInfo): Promise<string>;
+        connect(connectionInfo: IConnectionInfo): Promise<string>;
 
         /**
          * Lists the databases for a given connection. Must be given an already-opened connection to succeed.
@@ -73,7 +78,7 @@ declare module 'vscode-mssql' {
     /**
      * Information about a database connection
      */
-	 export interface IConnectionInfo {
+    export interface IConnectionInfo {
         /**
          * server name
          */
@@ -258,6 +263,24 @@ declare module 'vscode-mssql' {
         validateStreamingJob(packageFilePath: string, createStreamingJobTsql: string): Thenable<ValidateStreamingJobResult>;
     }
 
+    export interface IAzureFunctionsService {
+        /**
+         * 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): Thenable<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): Thenable<GetAzureFunctionsResult>;
+    }
+
     export const enum TaskExecutionMode {
         execute = 0,
         script = 1,
@@ -532,4 +555,62 @@ declare module 'vscode-mssql' {
 
         schema: string;
     }
+
+    /**
+     * Azure functions binding type
+     */
+    export const enum BindingType {
+        input,
+        output
+    }
+
+    /**
+     * Parameters for adding a SQL binding to an Azure function
+     */
+     export interface AddSqlBindingParams {
+        /**
+         * Aboslute 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;
+    }
+
+    /**
+     * 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[];
+    }
 }