bring back MSSQL connector

libs/datamodel/core/src/configuration/source/builtin_datasource_providers.rs

@@ -6,6 +6,7 @@ pub const SQLITE_SOURCE_NAME: &str = "sqlite";
 pub const POSTGRES_SOURCE_NAME: &str = "postgresql";
 const POSTGRES_SOURCE_NAME_HEROKU: &str = "postgres";
 pub const MYSQL_SOURCE_NAME: &str = "mysql";
+pub const MSSQL_SOURCE_NAME: &str = "sqlserver";
 
 pub struct SqliteDatasourceProvider {}
 
@@ -118,3 +119,34 @@ fn validate_url(name: &str, expected_protocol: &str, url: StringFromEnvVar) -> R
         ))
     }
 }
+
+pub struct MsSqlDatasourceProvider {}
+impl MsSqlDatasourceProvider {
+    pub fn new() -> Self {
+        Self {}
+    }
+}
+
+impl DatasourceProvider for MsSqlDatasourceProvider {
+    fn is_provider(&self, provider: &str) -> bool {
+        provider == MSSQL_SOURCE_NAME
+    }
+
+    fn create(
+        &self,
+        name: &str,
+        provider: Vec<String>,
+        url: StringFromEnvVar,
+        documentation: &Option<String>,
+        connector: Box<dyn Connector>,
+    ) -> Result<Datasource, String> {
+        Ok(Datasource {
+            name: String::from(name),
+            provider,
+            active_provider: MSSQL_SOURCE_NAME.to_owned(),
+            url: validate_url(name, "sqlserver://", url)?,
+            documentation: documentation.clone(),
+            connector,
+        })
+    }
+}

libs/datamodel/core/src/configuration/source/loader.rs

@@ -156,6 +156,8 @@ impl SourceLoader {
                     "mysql" => Some(Box::new(ExampleConnector::mysql())),
                     "postgres" | "postgresql" => Some(Box::new(ExampleConnector::postgres())),
                     "sqlite" => Some(Box::new(ExampleConnector::sqlite())),
+                    #[cfg(feature = "mssql")]
+                    "sqlserver" => Some(Box::new(ExampleConnector::mssql())),
                     _ => None, // if a connector is not known this is handled by the following code
                 };
                 connector
@@ -174,5 +176,7 @@ fn get_builtin_datasource_providers() -> Vec<Box<dyn DatasourceProvider>> {
         Box::new(MySqlDatasourceProvider::new()),
         Box::new(PostgresDatasourceProvider::new()),
         Box::new(SqliteDatasourceProvider::new()),
+        #[cfg(feature = "mssql")]
+        Box::new(MsSqlSourceDefinition::new()),
     ]
 }

libs/datamodel/core/src/configuration/source/mod.rs

@@ -4,12 +4,8 @@ mod datasource_provider;
 mod loader;
 mod serializer;
 
-//pub mod builtin;
-
 #[cfg(feature = "mssql")]
 pub use builtin::MSSQL_SOURCE_NAME;
-// TODO: i think these constants should move to a more central place.
-//pub use builtin::{MYSQL_SOURCE_NAME, POSTGRES_SOURCE_NAME, SQLITE_SOURCE_NAME};
 pub use builtin_datasource_providers::*;
 pub use datasource::*;
 pub use datasource_provider::*;