huskies: merge 1032

server/src/validation/error.rs

@@ -52,6 +52,15 @@ pub enum ValidationError {
     InvalidUtf8 { field: String },
     /// A `depends_on` entry references the same item being created or updated.
     SelfReference { field: String },
+    /// A field's value is not one of the accepted choices.
+    InvalidValue {
+        /// Field name.
+        field: String,
+        /// The value that was supplied.
+        actual: String,
+        /// The complete set of accepted values.
+        allowed: Vec<String>,
+    },
 }
 
 impl fmt::Display for ValidationError {
@@ -114,6 +123,17 @@ impl fmt::Display for ValidationError {
                     "field '{field}' contains a self-reference (depends on itself)"
                 )
             }
+            Self::InvalidValue {
+                field,
+                actual,
+                allowed,
+            } => {
+                write!(
+                    f,
+                    "field '{field}' value {actual:?} is not one of the allowed values: {}",
+                    allowed.join(", ")
+                )
+            }
         }
     }
 }