refactored building of documents

src/app/build/mod.rs

@@ -0,0 +1,55 @@
+use std::fs;
+
+use self::asciidoctor::{build_doc, build_slide};
+
+use super::fs_util;
+
+pub mod asciidoctor;
+
+pub trait Builder {
+    fn build(&self, in_path: &str, out_path: &str) -> Result<(), String>;
+}
+
+pub fn docki_build(in_path: &str) -> DockiBuildResult {
+    let out_path = in_path.replace("/docs/", "/dist/");
+    let convert_out_path = out_path.replace(".adoc", ".html");
+
+    if in_path.starts_with("./docs/slides/") && in_path.ends_with(".adoc") {
+        if let Err(err) = build_slide(&in_path, &convert_out_path) {
+            return DockiBuildResult::Err(err);
+        }
+
+        DockiBuildResult::Slide(convert_out_path)
+    } else if in_path.ends_with(".adoc") {
+        if let Err(err) = build_doc(&in_path, &convert_out_path) {
+            return DockiBuildResult::Err(err);
+        }
+
+        DockiBuildResult::Doc(convert_out_path)
+    } else {
+        if let Err(err) = copy(&in_path, &out_path) {
+            return DockiBuildResult::Err(err);
+        }
+
+        DockiBuildResult::Copy(out_path)
+    }
+}
+
+fn copy(in_path: &str, out_path: &str) ->  Result<(), String> {
+    let segments: &Vec<&str> = &out_path.split("/").collect();
+    let parent_dir = &segments[0..segments.len() - 1].join("/");
+    fs_util::create_dir_recursive(parent_dir);
+
+    if let Err(err) = fs::copy(in_path, out_path) {
+        return Err(err.to_string())
+    }
+
+    Ok(())
+}
+
+pub enum DockiBuildResult {
+    Slide(String),
+    Doc(String),
+    Copy(String),
+    Err(String),
+}