feat - fix conflicting feature docs and add new feature flags

Author: c12i

README.md

@@ -25,14 +25,15 @@ An unofficial Rust wrapper around the [Safaricom API](https://developer.safarico
 
 ```toml
 [dependencies]
-mpesa = "0.3.6"
+mpesa = "0.3.7"
 ```
 
-Optionally, you can disable default-features, which is basically the entire suite of MPESA APIs to conditionally select from either `["b2b", "b2c", "account_balance"]` services, which make use of `openssl` and `base64` dependencies that can be opted out of compilation if not required.
+Optionally, you can disable default-features, which is basically the entire suite of MPESA APIs to conditionally select from either `["b2b", "b2c" ,"account_balance", "c2b_register", "c2b_simulate", "express_request"]` services.
+Example:
 
 ```toml
 [dependencies]
-mpesa = { version = "0.3.6", default_features = false, features = ["b2b"] }
+mpesa = { version = "0.3.7", default_features = false, features = ["b2b", "express_request"] }
 ```
 
 In your lib or binary crate:

mpesa_core/Cargo.toml

@@ -1,6 +1,6 @@
 [package]
 name = "mpesa"
-version = "0.3.6"
+version = "0.3.7"
 authors = ["Collins Muriuki <[email protected]>"]
 edition = "2018"
 description = "A wrapper around the M-PESA API in Rust."
@@ -13,6 +13,8 @@ license = "MIT"
 serde_json = "1.0"
 dotenv = "0.15.0"
 mpesa_derive = "0.2.1"
+openssl = "0.10.30"
+base64 = "0.12.3"
 failure = "0.1.5"
 failure_derive = "0.1.5"
 chrono = "0.4"
@@ -25,16 +27,11 @@ features = ["blocking", "json"]
 version = "1.0.114"
 features = ["derive"]
 
-[dependencies.openssl]
-version = "0.10.30"
-optional = true
-
-[dependencies.base64]
-version = "0.12.3"
-optional = true
-
 [features]
-default = ["b2b", "b2c" ,"account_balance"]
-account_balance = ["openssl", "base64"]
-b2c = ["openssl", "base64"]
-b2b = ["openssl", "base64"]
+default = ["b2b", "b2c" ,"account_balance", "c2b_register", "c2b_simulate", "express_request"]
+b2b = []
+b2c = []
+account_balance = []
+c2b_register = []
+c2b_simulate = []
+express_request = []

mpesa_core/src/client.rs

@@ -182,6 +182,7 @@ impl<'a> Mpesa {
     ///    .response_type(mpesa::ResponseTypes::Complete) // optional, defaults to `ResponseTypes::Complete`
     ///    .send();
     /// ```
+    #[cfg(feature = "c2b_register")]
     pub fn c2b_register(&'a self) -> C2bRegisterBuilder<'a> {
         C2bRegisterBuilder::new(&self)
     }
@@ -202,6 +203,7 @@ impl<'a> Mpesa {
     ///    .bill_ref_number("Your_BillRefNumber>") // optional, defaults to "None"
     ///    .send();
     /// ```
+    #[cfg(feature = "c2b_simulate")]
     pub fn c2b_simulate(&'a self) -> C2bSimulateBuilder<'a> {
         C2bSimulateBuilder::new(&self)
     }
@@ -250,6 +252,7 @@ impl<'a> Mpesa {
     ///    .transaction_desc("Description") // Optional, defaults to "None"
     ///    .send();
     /// ```
+    #[cfg(feature = "express_request")]
     pub fn express_request(
         &'a self,
         business_short_code: &'a str,

mpesa_core/src/lib.rs

@@ -7,13 +7,14 @@
 //!
 //! ```toml
 //! [dependencies]
-//! mpesa = "0.3.6"
+//! mpesa = "0.3.7"
 //! ```
-//! Optionally, you can disable default-features, which is basically the entire suite of MPESA APIs to conditionally select from either `["b2b", "b2c", "account_balance"]` services, which make use of `openssl` and `base64` dependencies that can be opted out of compilation if not required.
+//! Optionally, you can disable default-features, which is basically the entire suite of MPESA APIs to conditionally select from either `["b2b", "b2c" ,"account_balance", "c2b_register", "c2b_simulate", "express_request"]` services.
+//! Example:
 //!
 //! ```toml
 //! [dependencies]
-//! mpesa = { version = "0.3.6", default_features = false, features = ["b2b"] }
+//! mpesa = { version = "0.3.7", default_features = false, features = ["b2b", "express_request"] }
 //! ```
 //!
 //! In your lib or binary crate: