From a942c7c8e17eb829ef1581c0b556665784f19e33 Mon Sep 17 00:00:00 2001
From: Jesse Luehrs <doy@tozt.net>
Date: Thu, 7 Nov 2019 03:57:33 -0500
Subject: update openapi spec and regenerate with newer openapi-generator

the newer openapi-generator picks up fixes for optional parameters,
among other things
---
 src/apis/accounts_api.rs               | 12 ++++--
 src/apis/budgets_api.rs                | 12 ++++--
 src/apis/categories_api.rs             | 12 ++++--
 src/apis/client.rs                     | 40 ++++++++++----------
 src/apis/deprecated_api.rs             |  4 +-
 src/apis/months_api.rs                 | 12 ++++--
 src/apis/payee_locations_api.rs        |  4 +-
 src/apis/payees_api.rs                 | 12 ++++--
 src/apis/scheduled_transactions_api.rs | 12 ++++--
 src/apis/transactions_api.rs           | 68 +++++++++++++++++++++++-----------
 src/apis/user_api.rs                   |  4 +-
 11 files changed, 124 insertions(+), 68 deletions(-)

(limited to 'src/apis')

diff --git a/src/apis/accounts_api.rs b/src/apis/accounts_api.rs
index b536e89..b0c0bf9 100644
--- a/src/apis/accounts_api.rs
+++ b/src/apis/accounts_api.rs
@@ -10,6 +10,8 @@
 
 use std::rc::Rc;
 use std::borrow::Borrow;
+#[allow(unused_imports)]
+use std::option::Option;
 
 use reqwest;
 
@@ -22,14 +24,14 @@ pub struct AccountsApiClient {
 impl AccountsApiClient {
     pub fn new(configuration: Rc<configuration::Configuration>) -> AccountsApiClient {
         AccountsApiClient {
-            configuration: configuration,
+            configuration,
         }
     }
 }
 
 pub trait AccountsApi {
     fn get_account_by_id(&self, budget_id: &str, account_id: &str) -> Result<crate::models::AccountResponse, Error>;
-    fn get_accounts(&self, budget_id: &str, last_knowledge_of_server: i64) -> Result<crate::models::AccountsResponse, Error>;
+    fn get_accounts(&self, budget_id: &str, last_knowledge_of_server: Option<i64>) -> Result<crate::models::AccountsResponse, Error>;
 }
 
 impl AccountsApi for AccountsApiClient {
@@ -58,14 +60,16 @@ impl AccountsApi for AccountsApiClient {
         Ok(client.execute(req)?.error_for_status()?.json()?)
     }
 
-    fn get_accounts(&self, budget_id: &str, last_knowledge_of_server: i64) -> Result<crate::models::AccountsResponse, Error> {
+    fn get_accounts(&self, budget_id: &str, last_knowledge_of_server: Option<i64>) -> Result<crate::models::AccountsResponse, Error> {
         let configuration: &configuration::Configuration = self.configuration.borrow();
         let client = &configuration.client;
 
         let uri_str = format!("{}/budgets/{budget_id}/accounts", configuration.base_path, budget_id=crate::apis::urlencode(budget_id));
         let mut req_builder = client.get(uri_str.as_str());
 
-        req_builder = req_builder.query(&[("last_knowledge_of_server", &last_knowledge_of_server.to_string())]);
+        if let Some(ref s) = last_knowledge_of_server {
+            req_builder = req_builder.query(&[("last_knowledge_of_server", &s.to_string())]);
+        }
         if let Some(ref user_agent) = configuration.user_agent {
             req_builder = req_builder.header(reqwest::header::USER_AGENT, user_agent.clone());
         }
diff --git a/src/apis/budgets_api.rs b/src/apis/budgets_api.rs
index e1002ed..9ddfd9d 100644
--- a/src/apis/budgets_api.rs
+++ b/src/apis/budgets_api.rs
@@ -10,6 +10,8 @@
 
 use std::rc::Rc;
 use std::borrow::Borrow;
+#[allow(unused_imports)]
+use std::option::Option;
 
 use reqwest;
 
@@ -22,26 +24,28 @@ pub struct BudgetsApiClient {
 impl BudgetsApiClient {
     pub fn new(configuration: Rc<configuration::Configuration>) -> BudgetsApiClient {
         BudgetsApiClient {
-            configuration: configuration,
+            configuration,
         }
     }
 }
 
 pub trait BudgetsApi {
-    fn get_budget_by_id(&self, budget_id: &str, last_knowledge_of_server: i64) -> Result<crate::models::BudgetDetailResponse, Error>;
+    fn get_budget_by_id(&self, budget_id: &str, last_knowledge_of_server: Option<i64>) -> Result<crate::models::BudgetDetailResponse, Error>;
     fn get_budget_settings_by_id(&self, budget_id: &str) -> Result<crate::models::BudgetSettingsResponse, Error>;
     fn get_budgets(&self, ) -> Result<crate::models::BudgetSummaryResponse, Error>;
 }
 
 impl BudgetsApi for BudgetsApiClient {
-    fn get_budget_by_id(&self, budget_id: &str, last_knowledge_of_server: i64) -> Result<crate::models::BudgetDetailResponse, Error> {
+    fn get_budget_by_id(&self, budget_id: &str, last_knowledge_of_server: Option<i64>) -> Result<crate::models::BudgetDetailResponse, Error> {
         let configuration: &configuration::Configuration = self.configuration.borrow();
         let client = &configuration.client;
 
         let uri_str = format!("{}/budgets/{budget_id}", configuration.base_path, budget_id=crate::apis::urlencode(budget_id));
         let mut req_builder = client.get(uri_str.as_str());
 
-        req_builder = req_builder.query(&[("last_knowledge_of_server", &last_knowledge_of_server.to_string())]);
+        if let Some(ref s) = last_knowledge_of_server {
+            req_builder = req_builder.query(&[("last_knowledge_of_server", &s.to_string())]);
+        }
         if let Some(ref user_agent) = configuration.user_agent {
             req_builder = req_builder.header(reqwest::header::USER_AGENT, user_agent.clone());
         }
diff --git a/src/apis/categories_api.rs b/src/apis/categories_api.rs
index f57d38b..b6624b9 100644
--- a/src/apis/categories_api.rs
+++ b/src/apis/categories_api.rs
@@ -10,6 +10,8 @@
 
 use std::rc::Rc;
 use std::borrow::Borrow;
+#[allow(unused_imports)]
+use std::option::Option;
 
 use reqwest;
 
@@ -22,27 +24,29 @@ pub struct CategoriesApiClient {
 impl CategoriesApiClient {
     pub fn new(configuration: Rc<configuration::Configuration>) -> CategoriesApiClient {
         CategoriesApiClient {
-            configuration: configuration,
+            configuration,
         }
     }
 }
 
 pub trait CategoriesApi {
-    fn get_categories(&self, budget_id: &str, last_knowledge_of_server: i64) -> Result<crate::models::CategoriesResponse, Error>;
+    fn get_categories(&self, budget_id: &str, last_knowledge_of_server: Option<i64>) -> Result<crate::models::CategoriesResponse, Error>;
     fn get_category_by_id(&self, budget_id: &str, category_id: &str) -> Result<crate::models::CategoryResponse, Error>;
     fn get_month_category_by_id(&self, budget_id: &str, month: String, category_id: &str) -> Result<crate::models::CategoryResponse, Error>;
     fn update_month_category(&self, budget_id: &str, month: String, category_id: &str, data: crate::models::SaveMonthCategoryWrapper) -> Result<crate::models::SaveCategoryResponse, Error>;
 }
 
 impl CategoriesApi for CategoriesApiClient {
-    fn get_categories(&self, budget_id: &str, last_knowledge_of_server: i64) -> Result<crate::models::CategoriesResponse, Error> {
+    fn get_categories(&self, budget_id: &str, last_knowledge_of_server: Option<i64>) -> Result<crate::models::CategoriesResponse, Error> {
         let configuration: &configuration::Configuration = self.configuration.borrow();
         let client = &configuration.client;
 
         let uri_str = format!("{}/budgets/{budget_id}/categories", configuration.base_path, budget_id=crate::apis::urlencode(budget_id));
         let mut req_builder = client.get(uri_str.as_str());
 
-        req_builder = req_builder.query(&[("last_knowledge_of_server", &last_knowledge_of_server.to_string())]);
+        if let Some(ref s) = last_knowledge_of_server {
+            req_builder = req_builder.query(&[("last_knowledge_of_server", &s.to_string())]);
+        }
         if let Some(ref user_agent) = configuration.user_agent {
             req_builder = req_builder.header(reqwest::header::USER_AGENT, user_agent.clone());
         }
diff --git a/src/apis/client.rs b/src/apis/client.rs
index 387df63..d7558a7 100644
--- a/src/apis/client.rs
+++ b/src/apis/client.rs
@@ -3,16 +3,16 @@ use std::rc::Rc;
 use super::configuration::Configuration;
 
 pub struct APIClient {
-    accounts_api: Box<crate::apis::AccountsApi>,
-    budgets_api: Box<crate::apis::BudgetsApi>,
-    categories_api: Box<crate::apis::CategoriesApi>,
-    deprecated_api: Box<crate::apis::DeprecatedApi>,
-    months_api: Box<crate::apis::MonthsApi>,
-    payee_locations_api: Box<crate::apis::PayeeLocationsApi>,
-    payees_api: Box<crate::apis::PayeesApi>,
-    scheduled_transactions_api: Box<crate::apis::ScheduledTransactionsApi>,
-    transactions_api: Box<crate::apis::TransactionsApi>,
-    user_api: Box<crate::apis::UserApi>,
+    accounts_api: Box<dyn crate::apis::AccountsApi>,
+    budgets_api: Box<dyn crate::apis::BudgetsApi>,
+    categories_api: Box<dyn crate::apis::CategoriesApi>,
+    deprecated_api: Box<dyn crate::apis::DeprecatedApi>,
+    months_api: Box<dyn crate::apis::MonthsApi>,
+    payee_locations_api: Box<dyn crate::apis::PayeeLocationsApi>,
+    payees_api: Box<dyn crate::apis::PayeesApi>,
+    scheduled_transactions_api: Box<dyn crate::apis::ScheduledTransactionsApi>,
+    transactions_api: Box<dyn crate::apis::TransactionsApi>,
+    user_api: Box<dyn crate::apis::UserApi>,
 }
 
 impl APIClient {
@@ -33,43 +33,43 @@ impl APIClient {
         }
     }
 
-    pub fn accounts_api(&self) -> &crate::apis::AccountsApi{
+    pub fn accounts_api(&self) -> &dyn crate::apis::AccountsApi{
         self.accounts_api.as_ref()
     }
 
-    pub fn budgets_api(&self) -> &crate::apis::BudgetsApi{
+    pub fn budgets_api(&self) -> &dyn crate::apis::BudgetsApi{
         self.budgets_api.as_ref()
     }
 
-    pub fn categories_api(&self) -> &crate::apis::CategoriesApi{
+    pub fn categories_api(&self) -> &dyn crate::apis::CategoriesApi{
         self.categories_api.as_ref()
     }
 
-    pub fn deprecated_api(&self) -> &crate::apis::DeprecatedApi{
+    pub fn deprecated_api(&self) -> &dyn crate::apis::DeprecatedApi{
         self.deprecated_api.as_ref()
     }
 
-    pub fn months_api(&self) -> &crate::apis::MonthsApi{
+    pub fn months_api(&self) -> &dyn crate::apis::MonthsApi{
         self.months_api.as_ref()
     }
 
-    pub fn payee_locations_api(&self) -> &crate::apis::PayeeLocationsApi{
+    pub fn payee_locations_api(&self) -> &dyn crate::apis::PayeeLocationsApi{
         self.payee_locations_api.as_ref()
     }
 
-    pub fn payees_api(&self) -> &crate::apis::PayeesApi{
+    pub fn payees_api(&self) -> &dyn crate::apis::PayeesApi{
         self.payees_api.as_ref()
     }
 
-    pub fn scheduled_transactions_api(&self) -> &crate::apis::ScheduledTransactionsApi{
+    pub fn scheduled_transactions_api(&self) -> &dyn crate::apis::ScheduledTransactionsApi{
         self.scheduled_transactions_api.as_ref()
     }
 
-    pub fn transactions_api(&self) -> &crate::apis::TransactionsApi{
+    pub fn transactions_api(&self) -> &dyn crate::apis::TransactionsApi{
         self.transactions_api.as_ref()
     }
 
-    pub fn user_api(&self) -> &crate::apis::UserApi{
+    pub fn user_api(&self) -> &dyn crate::apis::UserApi{
         self.user_api.as_ref()
     }
 
diff --git a/src/apis/deprecated_api.rs b/src/apis/deprecated_api.rs
index aab34ff..0d4fe6b 100644
--- a/src/apis/deprecated_api.rs
+++ b/src/apis/deprecated_api.rs
@@ -10,6 +10,8 @@
 
 use std::rc::Rc;
 use std::borrow::Borrow;
+#[allow(unused_imports)]
+use std::option::Option;
 
 use reqwest;
 
@@ -22,7 +24,7 @@ pub struct DeprecatedApiClient {
 impl DeprecatedApiClient {
     pub fn new(configuration: Rc<configuration::Configuration>) -> DeprecatedApiClient {
         DeprecatedApiClient {
-            configuration: configuration,
+            configuration,
         }
     }
 }
diff --git a/src/apis/months_api.rs b/src/apis/months_api.rs
index 48d586b..03c6a29 100644
--- a/src/apis/months_api.rs
+++ b/src/apis/months_api.rs
@@ -10,6 +10,8 @@
 
 use std::rc::Rc;
 use std::borrow::Borrow;
+#[allow(unused_imports)]
+use std::option::Option;
 
 use reqwest;
 
@@ -22,14 +24,14 @@ pub struct MonthsApiClient {
 impl MonthsApiClient {
     pub fn new(configuration: Rc<configuration::Configuration>) -> MonthsApiClient {
         MonthsApiClient {
-            configuration: configuration,
+            configuration,
         }
     }
 }
 
 pub trait MonthsApi {
     fn get_budget_month(&self, budget_id: &str, month: String) -> Result<crate::models::MonthDetailResponse, Error>;
-    fn get_budget_months(&self, budget_id: &str, last_knowledge_of_server: i64) -> Result<crate::models::MonthSummariesResponse, Error>;
+    fn get_budget_months(&self, budget_id: &str, last_knowledge_of_server: Option<i64>) -> Result<crate::models::MonthSummariesResponse, Error>;
 }
 
 impl MonthsApi for MonthsApiClient {
@@ -58,14 +60,16 @@ impl MonthsApi for MonthsApiClient {
         Ok(client.execute(req)?.error_for_status()?.json()?)
     }
 
-    fn get_budget_months(&self, budget_id: &str, last_knowledge_of_server: i64) -> Result<crate::models::MonthSummariesResponse, Error> {
+    fn get_budget_months(&self, budget_id: &str, last_knowledge_of_server: Option<i64>) -> Result<crate::models::MonthSummariesResponse, Error> {
         let configuration: &configuration::Configuration = self.configuration.borrow();
         let client = &configuration.client;
 
         let uri_str = format!("{}/budgets/{budget_id}/months", configuration.base_path, budget_id=crate::apis::urlencode(budget_id));
         let mut req_builder = client.get(uri_str.as_str());
 
-        req_builder = req_builder.query(&[("last_knowledge_of_server", &last_knowledge_of_server.to_string())]);
+        if let Some(ref s) = last_knowledge_of_server {
+            req_builder = req_builder.query(&[("last_knowledge_of_server", &s.to_string())]);
+        }
         if let Some(ref user_agent) = configuration.user_agent {
             req_builder = req_builder.header(reqwest::header::USER_AGENT, user_agent.clone());
         }
diff --git a/src/apis/payee_locations_api.rs b/src/apis/payee_locations_api.rs
index 823dea4..1a1e35d 100644
--- a/src/apis/payee_locations_api.rs
+++ b/src/apis/payee_locations_api.rs
@@ -10,6 +10,8 @@
 
 use std::rc::Rc;
 use std::borrow::Borrow;
+#[allow(unused_imports)]
+use std::option::Option;
 
 use reqwest;
 
@@ -22,7 +24,7 @@ pub struct PayeeLocationsApiClient {
 impl PayeeLocationsApiClient {
     pub fn new(configuration: Rc<configuration::Configuration>) -> PayeeLocationsApiClient {
         PayeeLocationsApiClient {
-            configuration: configuration,
+            configuration,
         }
     }
 }
diff --git a/src/apis/payees_api.rs b/src/apis/payees_api.rs
index 890920c..71f4125 100644
--- a/src/apis/payees_api.rs
+++ b/src/apis/payees_api.rs
@@ -10,6 +10,8 @@
 
 use std::rc::Rc;
 use std::borrow::Borrow;
+#[allow(unused_imports)]
+use std::option::Option;
 
 use reqwest;
 
@@ -22,14 +24,14 @@ pub struct PayeesApiClient {
 impl PayeesApiClient {
     pub fn new(configuration: Rc<configuration::Configuration>) -> PayeesApiClient {
         PayeesApiClient {
-            configuration: configuration,
+            configuration,
         }
     }
 }
 
 pub trait PayeesApi {
     fn get_payee_by_id(&self, budget_id: &str, payee_id: &str) -> Result<crate::models::PayeeResponse, Error>;
-    fn get_payees(&self, budget_id: &str, last_knowledge_of_server: i64) -> Result<crate::models::PayeesResponse, Error>;
+    fn get_payees(&self, budget_id: &str, last_knowledge_of_server: Option<i64>) -> Result<crate::models::PayeesResponse, Error>;
 }
 
 impl PayeesApi for PayeesApiClient {
@@ -58,14 +60,16 @@ impl PayeesApi for PayeesApiClient {
         Ok(client.execute(req)?.error_for_status()?.json()?)
     }
 
-    fn get_payees(&self, budget_id: &str, last_knowledge_of_server: i64) -> Result<crate::models::PayeesResponse, Error> {
+    fn get_payees(&self, budget_id: &str, last_knowledge_of_server: Option<i64>) -> Result<crate::models::PayeesResponse, Error> {
         let configuration: &configuration::Configuration = self.configuration.borrow();
         let client = &configuration.client;
 
         let uri_str = format!("{}/budgets/{budget_id}/payees", configuration.base_path, budget_id=crate::apis::urlencode(budget_id));
         let mut req_builder = client.get(uri_str.as_str());
 
-        req_builder = req_builder.query(&[("last_knowledge_of_server", &last_knowledge_of_server.to_string())]);
+        if let Some(ref s) = last_knowledge_of_server {
+            req_builder = req_builder.query(&[("last_knowledge_of_server", &s.to_string())]);
+        }
         if let Some(ref user_agent) = configuration.user_agent {
             req_builder = req_builder.header(reqwest::header::USER_AGENT, user_agent.clone());
         }
diff --git a/src/apis/scheduled_transactions_api.rs b/src/apis/scheduled_transactions_api.rs
index fe8c959..f44d782 100644
--- a/src/apis/scheduled_transactions_api.rs
+++ b/src/apis/scheduled_transactions_api.rs
@@ -10,6 +10,8 @@
 
 use std::rc::Rc;
 use std::borrow::Borrow;
+#[allow(unused_imports)]
+use std::option::Option;
 
 use reqwest;
 
@@ -22,14 +24,14 @@ pub struct ScheduledTransactionsApiClient {
 impl ScheduledTransactionsApiClient {
     pub fn new(configuration: Rc<configuration::Configuration>) -> ScheduledTransactionsApiClient {
         ScheduledTransactionsApiClient {
-            configuration: configuration,
+            configuration,
         }
     }
 }
 
 pub trait ScheduledTransactionsApi {
     fn get_scheduled_transaction_by_id(&self, budget_id: &str, scheduled_transaction_id: &str) -> Result<crate::models::ScheduledTransactionResponse, Error>;
-    fn get_scheduled_transactions(&self, budget_id: &str, last_knowledge_of_server: i64) -> Result<crate::models::ScheduledTransactionsResponse, Error>;
+    fn get_scheduled_transactions(&self, budget_id: &str, last_knowledge_of_server: Option<i64>) -> Result<crate::models::ScheduledTransactionsResponse, Error>;
 }
 
 impl ScheduledTransactionsApi for ScheduledTransactionsApiClient {
@@ -58,14 +60,16 @@ impl ScheduledTransactionsApi for ScheduledTransactionsApiClient {
         Ok(client.execute(req)?.error_for_status()?.json()?)
     }
 
-    fn get_scheduled_transactions(&self, budget_id: &str, last_knowledge_of_server: i64) -> Result<crate::models::ScheduledTransactionsResponse, Error> {
+    fn get_scheduled_transactions(&self, budget_id: &str, last_knowledge_of_server: Option<i64>) -> Result<crate::models::ScheduledTransactionsResponse, Error> {
         let configuration: &configuration::Configuration = self.configuration.borrow();
         let client = &configuration.client;
 
         let uri_str = format!("{}/budgets/{budget_id}/scheduled_transactions", configuration.base_path, budget_id=crate::apis::urlencode(budget_id));
         let mut req_builder = client.get(uri_str.as_str());
 
-        req_builder = req_builder.query(&[("last_knowledge_of_server", &last_knowledge_of_server.to_string())]);
+        if let Some(ref s) = last_knowledge_of_server {
+            req_builder = req_builder.query(&[("last_knowledge_of_server", &s.to_string())]);
+        }
         if let Some(ref user_agent) = configuration.user_agent {
             req_builder = req_builder.header(reqwest::header::USER_AGENT, user_agent.clone());
         }
diff --git a/src/apis/transactions_api.rs b/src/apis/transactions_api.rs
index 9b3fcb4..138fa4d 100644
--- a/src/apis/transactions_api.rs
+++ b/src/apis/transactions_api.rs
@@ -10,6 +10,8 @@
 
 use std::rc::Rc;
 use std::borrow::Borrow;
+#[allow(unused_imports)]
+use std::option::Option;
 
 use reqwest;
 
@@ -22,7 +24,7 @@ pub struct TransactionsApiClient {
 impl TransactionsApiClient {
     pub fn new(configuration: Rc<configuration::Configuration>) -> TransactionsApiClient {
         TransactionsApiClient {
-            configuration: configuration,
+            configuration,
         }
     }
 }
@@ -30,10 +32,10 @@ impl TransactionsApiClient {
 pub trait TransactionsApi {
     fn create_transaction(&self, budget_id: &str, data: crate::models::SaveTransactionsWrapper) -> Result<crate::models::SaveTransactionsResponse, Error>;
     fn get_transaction_by_id(&self, budget_id: &str, transaction_id: &str) -> Result<crate::models::TransactionResponse, Error>;
-    fn get_transactions(&self, budget_id: &str, since_date: String, _type: &str, last_knowledge_of_server: i64) -> Result<crate::models::TransactionsResponse, Error>;
-    fn get_transactions_by_account(&self, budget_id: &str, account_id: &str, since_date: String, _type: &str, last_knowledge_of_server: i64) -> Result<crate::models::TransactionsResponse, Error>;
-    fn get_transactions_by_category(&self, budget_id: &str, category_id: &str, since_date: String, _type: &str, last_knowledge_of_server: i64) -> Result<crate::models::HybridTransactionsResponse, Error>;
-    fn get_transactions_by_payee(&self, budget_id: &str, payee_id: &str, since_date: String, _type: &str, last_knowledge_of_server: i64) -> Result<crate::models::HybridTransactionsResponse, Error>;
+    fn get_transactions(&self, budget_id: &str, since_date: Option<String>, _type: Option<&str>, last_knowledge_of_server: Option<i64>) -> Result<crate::models::TransactionsResponse, Error>;
+    fn get_transactions_by_account(&self, budget_id: &str, account_id: &str, since_date: Option<String>, _type: Option<&str>, last_knowledge_of_server: Option<i64>) -> Result<crate::models::TransactionsResponse, Error>;
+    fn get_transactions_by_category(&self, budget_id: &str, category_id: &str, since_date: Option<String>, _type: Option<&str>, last_knowledge_of_server: Option<i64>) -> Result<crate::models::HybridTransactionsResponse, Error>;
+    fn get_transactions_by_payee(&self, budget_id: &str, payee_id: &str, since_date: Option<String>, _type: Option<&str>, last_knowledge_of_server: Option<i64>) -> Result<crate::models::HybridTransactionsResponse, Error>;
     fn update_transaction(&self, budget_id: &str, transaction_id: &str, data: crate::models::SaveTransactionWrapper) -> Result<crate::models::TransactionResponse, Error>;
     fn update_transactions(&self, budget_id: &str, data: crate::models::UpdateTransactionsWrapper) -> Result<crate::models::SaveTransactionsResponse, Error>;
 }
@@ -90,16 +92,22 @@ impl TransactionsApi for TransactionsApiClient {
         Ok(client.execute(req)?.error_for_status()?.json()?)
     }
 
-    fn get_transactions(&self, budget_id: &str, since_date: String, _type: &str, last_knowledge_of_server: i64) -> Result<crate::models::TransactionsResponse, Error> {
+    fn get_transactions(&self, budget_id: &str, since_date: Option<String>, _type: Option<&str>, last_knowledge_of_server: Option<i64>) -> Result<crate::models::TransactionsResponse, Error> {
         let configuration: &configuration::Configuration = self.configuration.borrow();
         let client = &configuration.client;
 
         let uri_str = format!("{}/budgets/{budget_id}/transactions", configuration.base_path, budget_id=crate::apis::urlencode(budget_id));
         let mut req_builder = client.get(uri_str.as_str());
 
-        req_builder = req_builder.query(&[("since_date", &since_date.to_string())]);
-        req_builder = req_builder.query(&[("type", &_type.to_string())]);
-        req_builder = req_builder.query(&[("last_knowledge_of_server", &last_knowledge_of_server.to_string())]);
+        if let Some(ref s) = since_date {
+            req_builder = req_builder.query(&[("since_date", &s.to_string())]);
+        }
+        if let Some(ref s) = _type {
+            req_builder = req_builder.query(&[("type", &s.to_string())]);
+        }
+        if let Some(ref s) = last_knowledge_of_server {
+            req_builder = req_builder.query(&[("last_knowledge_of_server", &s.to_string())]);
+        }
         if let Some(ref user_agent) = configuration.user_agent {
             req_builder = req_builder.header(reqwest::header::USER_AGENT, user_agent.clone());
         }
@@ -118,16 +126,22 @@ impl TransactionsApi for TransactionsApiClient {
         Ok(client.execute(req)?.error_for_status()?.json()?)
     }
 
-    fn get_transactions_by_account(&self, budget_id: &str, account_id: &str, since_date: String, _type: &str, last_knowledge_of_server: i64) -> Result<crate::models::TransactionsResponse, Error> {
+    fn get_transactions_by_account(&self, budget_id: &str, account_id: &str, since_date: Option<String>, _type: Option<&str>, last_knowledge_of_server: Option<i64>) -> Result<crate::models::TransactionsResponse, Error> {
         let configuration: &configuration::Configuration = self.configuration.borrow();
         let client = &configuration.client;
 
         let uri_str = format!("{}/budgets/{budget_id}/accounts/{account_id}/transactions", configuration.base_path, budget_id=crate::apis::urlencode(budget_id), account_id=crate::apis::urlencode(account_id));
         let mut req_builder = client.get(uri_str.as_str());
 
-        req_builder = req_builder.query(&[("since_date", &since_date.to_string())]);
-        req_builder = req_builder.query(&[("type", &_type.to_string())]);
-        req_builder = req_builder.query(&[("last_knowledge_of_server", &last_knowledge_of_server.to_string())]);
+        if let Some(ref s) = since_date {
+            req_builder = req_builder.query(&[("since_date", &s.to_string())]);
+        }
+        if let Some(ref s) = _type {
+            req_builder = req_builder.query(&[("type", &s.to_string())]);
+        }
+        if let Some(ref s) = last_knowledge_of_server {
+            req_builder = req_builder.query(&[("last_knowledge_of_server", &s.to_string())]);
+        }
         if let Some(ref user_agent) = configuration.user_agent {
             req_builder = req_builder.header(reqwest::header::USER_AGENT, user_agent.clone());
         }
@@ -146,16 +160,22 @@ impl TransactionsApi for TransactionsApiClient {
         Ok(client.execute(req)?.error_for_status()?.json()?)
     }
 
-    fn get_transactions_by_category(&self, budget_id: &str, category_id: &str, since_date: String, _type: &str, last_knowledge_of_server: i64) -> Result<crate::models::HybridTransactionsResponse, Error> {
+    fn get_transactions_by_category(&self, budget_id: &str, category_id: &str, since_date: Option<String>, _type: Option<&str>, last_knowledge_of_server: Option<i64>) -> Result<crate::models::HybridTransactionsResponse, Error> {
         let configuration: &configuration::Configuration = self.configuration.borrow();
         let client = &configuration.client;
 
         let uri_str = format!("{}/budgets/{budget_id}/categories/{category_id}/transactions", configuration.base_path, budget_id=crate::apis::urlencode(budget_id), category_id=crate::apis::urlencode(category_id));
         let mut req_builder = client.get(uri_str.as_str());
 
-        req_builder = req_builder.query(&[("since_date", &since_date.to_string())]);
-        req_builder = req_builder.query(&[("type", &_type.to_string())]);
-        req_builder = req_builder.query(&[("last_knowledge_of_server", &last_knowledge_of_server.to_string())]);
+        if let Some(ref s) = since_date {
+            req_builder = req_builder.query(&[("since_date", &s.to_string())]);
+        }
+        if let Some(ref s) = _type {
+            req_builder = req_builder.query(&[("type", &s.to_string())]);
+        }
+        if let Some(ref s) = last_knowledge_of_server {
+            req_builder = req_builder.query(&[("last_knowledge_of_server", &s.to_string())]);
+        }
         if let Some(ref user_agent) = configuration.user_agent {
             req_builder = req_builder.header(reqwest::header::USER_AGENT, user_agent.clone());
         }
@@ -174,16 +194,22 @@ impl TransactionsApi for TransactionsApiClient {
         Ok(client.execute(req)?.error_for_status()?.json()?)
     }
 
-    fn get_transactions_by_payee(&self, budget_id: &str, payee_id: &str, since_date: String, _type: &str, last_knowledge_of_server: i64) -> Result<crate::models::HybridTransactionsResponse, Error> {
+    fn get_transactions_by_payee(&self, budget_id: &str, payee_id: &str, since_date: Option<String>, _type: Option<&str>, last_knowledge_of_server: Option<i64>) -> Result<crate::models::HybridTransactionsResponse, Error> {
         let configuration: &configuration::Configuration = self.configuration.borrow();
         let client = &configuration.client;
 
         let uri_str = format!("{}/budgets/{budget_id}/payees/{payee_id}/transactions", configuration.base_path, budget_id=crate::apis::urlencode(budget_id), payee_id=crate::apis::urlencode(payee_id));
         let mut req_builder = client.get(uri_str.as_str());
 
-        req_builder = req_builder.query(&[("since_date", &since_date.to_string())]);
-        req_builder = req_builder.query(&[("type", &_type.to_string())]);
-        req_builder = req_builder.query(&[("last_knowledge_of_server", &last_knowledge_of_server.to_string())]);
+        if let Some(ref s) = since_date {
+            req_builder = req_builder.query(&[("since_date", &s.to_string())]);
+        }
+        if let Some(ref s) = _type {
+            req_builder = req_builder.query(&[("type", &s.to_string())]);
+        }
+        if let Some(ref s) = last_knowledge_of_server {
+            req_builder = req_builder.query(&[("last_knowledge_of_server", &s.to_string())]);
+        }
         if let Some(ref user_agent) = configuration.user_agent {
             req_builder = req_builder.header(reqwest::header::USER_AGENT, user_agent.clone());
         }
diff --git a/src/apis/user_api.rs b/src/apis/user_api.rs
index 870ecc4..652fb55 100644
--- a/src/apis/user_api.rs
+++ b/src/apis/user_api.rs
@@ -10,6 +10,8 @@
 
 use std::rc::Rc;
 use std::borrow::Borrow;
+#[allow(unused_imports)]
+use std::option::Option;
 
 use reqwest;
 
@@ -22,7 +24,7 @@ pub struct UserApiClient {
 impl UserApiClient {
     pub fn new(configuration: Rc<configuration::Configuration>) -> UserApiClient {
         UserApiClient {
-            configuration: configuration,
+            configuration,
         }
     }
 }
-- 
cgit v1.2.3-54-g00ecf