Simplify new error handling

src/experimental/parser/user.nim

@@ -40,7 +40,7 @@ proc getBanner(user: User): string =
 
 proc parseUser*(json: string): Profile =
   handleErrors:
-    case error
+    case error.code
     of suspended: return Profile(suspended: true)
     of userNotFound: return
     else: echo "[error - parseUser]: ", error

src/experimental/parser/utils.nim

@@ -18,5 +18,5 @@ proc getImageUrl*(url: string): string =
 
 template handleErrors*(body) =
   if json.startsWith("{\"errors"):
-    let error {.inject.} = json.fromJson(Errors).errors[0].code
-    body
+    for error {.inject.} in json.fromJson(Errors).errors:
+      body

src/experimental/types/common.nim

@@ -13,3 +13,8 @@ type
 
   Errors* = object
     errors*: seq[ErrorObj]
+
+proc contains*(codes: set[Error]; errors: Errors): bool =
+  for e in errors.errors:
+    if e.code in codes:
+      return true