restructure

crates/domain/src/value_objects/review.rs

@@ -0,0 +1,46 @@
+use crate::errors::DomainError;
+
+#[derive(Clone, Debug, PartialEq, Eq)]
+pub struct Rating(u8);
+
+impl Rating {
+    const MAX: u8 = 5;
+
+    pub fn new(value: u8) -> Result<Self, DomainError> {
+        if value <= Self::MAX {
+            Ok(Self(value))
+        } else {
+            Err(DomainError::InvalidRating {
+                max: Self::MAX,
+                given: value,
+            })
+        }
+    }
+
+    pub fn value(&self) -> u8 {
+        self.0
+    }
+}
+
+#[derive(Clone, Debug, PartialEq, Eq)]
+pub struct Comment(String);
+
+impl Comment {
+    const MAX_LENGTH: usize = 10_000;
+
+    pub fn new(comment: String) -> Result<Self, DomainError> {
+        let trimmed = comment.trim();
+        if trimmed.len() > Self::MAX_LENGTH {
+            Err(DomainError::ValidationError(format!(
+                "Comment exceeds {} characters",
+                Self::MAX_LENGTH
+            )))
+        } else {
+            Ok(Self(trimmed.to_string()))
+        }
+    }
+
+    pub fn value(&self) -> &str {
+        &self.0
+    }
+}