refactor(request): straightforward pattern matching

2 files changed, 34 insertions, 29 deletions

diff --git a/src/database.gleam b/src/database.gleam
index 875231d..c893b90 100644
--- a/src/database.gleam
+++ b/src/database.gleam
@@ -67,7 +67,7 @@ fn sqlite_now() {
 
 pub fn get_counter(connection, name) {
   case name {
-    "demo" -> Counter("demo", 0_123_456_789, "", "")
+    "demo" -> Ok(Counter("demo", 0_123_456_789, "", ""))
     _ -> {
       check_error(
         sqlight.query(
@@ -102,14 +102,14 @@ pub fn get_counter(connection, name) {
         )
       {
         Ok([first_element]) -> {
-          Counter(
+          Ok(Counter(
             first_element.0,
             first_element.1,
             first_element.2,
             first_element.3,
-          )
+          ))
         }
-        _ -> Counter(name, 0, "", "")
+        _ -> Error("Unreachable entity")
       }
     }
   }
diff --git a/src/request.gleam b/src/request.gleam
index b6bd969..08dbf8d 100644
--- a/src/request.gleam
+++ b/src/request.gleam
@@ -20,32 +20,37 @@ pub fn handle(request, connection) {
   case wisp.path_segments(request) {
     ["heart-beat"] ->
       wisp.html_response(string_builder.from_string("alive"), 200)
-    ["get", "@" <> name] ->
-      wisp.ok()
-      |> wisp.set_header("Content-Type", "image/svg+xml")
-      |> wisp.string_body(svg.xml(
-        case wisp.get_query(request) {
-          [#("theme", theme)] -> theme
-          _ -> "asoul"
-        },
-        database.get_counter(connection, name).num,
-      ))
+    ["get", "@" <> name] -> {
+      case database.get_counter(connection, name) {
+        Ok(counter) -> {
+          wisp.ok()
+          |> wisp.set_header("Content-Type", "image/svg+xml")
+          |> wisp.string_body(svg.xml(
+            case wisp.get_query(request) {
+              [#("theme", theme)] -> theme
+              _ -> "asoul"
+            },
+            counter.num,
+          ))
+        }
+        Error(_) -> wisp.unprocessable_entity()
+      }
+    }
     ["record", "@" <> name] -> {
-      let counter = database.get_counter(connection, name)
-
-      case
-        Ok(
-          json.to_string_builder(
-            json.object([
-              #("name", json.string(counter.name)),
-              #("num", json.int(counter.num)),
-              #("updated_at", json.string(counter.updated_at)),
-              #("created_at", json.string(counter.created_at)),
-            ]),
-          ),
-        )
-      {
-        Ok(builder) -> wisp.json_response(builder, 200)
+      case database.get_counter(connection, name) {
+        Ok(counter) -> {
+          wisp.json_response(
+            json.to_string_builder(
+              json.object([
+                #("name", json.string(counter.name)),
+                #("num", json.int(counter.num)),
+                #("updated_at", json.string(counter.updated_at)),
+                #("created_at", json.string(counter.created_at)),
+              ]),
+            ),
+            200,
+          )
+        }
         Error(_) -> wisp.unprocessable_entity()
       }
     }