refactor: rebuild app skeleton

Create skeleton for a complete rebuild of the prototype as a production
ready product.

Includes design patterns for:
 - dependency injection
 - unit testing with dependency mocking
 - integration testing
 - error handling
 - config storage

BREAKING-CHANGE: ground-up redesign with incompatible protocol standards

1 files changed, 34 insertions, 0 deletions

diff --git a/src/cli_interactor.rs b/src/cli_interactor.rs
new file mode 100644
index 0000000..2f28aee
--- /dev/null
+++ b/src/cli_interactor.rs
@@ -0,0 +1,34 @@
+use anyhow::{bail, Result};
+use dialoguer::{theme::ColorfulTheme, Input};
+#[cfg(test)]
+use mockall::*;
+
+#[derive(Default)]
+pub struct Interactor {
+    theme: ColorfulTheme,
+}
+
+#[cfg_attr(test, automock)]
+pub trait InteractorPrompt {
+    fn input(&self, parms: PromptInputParms) -> Result<String>;
+}
+impl InteractorPrompt for Interactor {
+    fn input(&self, parms: PromptInputParms) -> Result<String> {
+        let input: String = Input::with_theme(&self.theme)
+            .with_prompt(parms.prompt)
+            .interact_text()?;
+        Ok(input)
+    }
+}
+
+#[derive(Default)]
+pub struct PromptInputParms {
+    pub prompt: String,
+}
+
+impl PromptInputParms {
+    pub fn with_prompt<S: Into<String>>(mut self, prompt: S) -> Self {
+        self.prompt = prompt.into();
+        self
+    }
+}