Epic - [Part 2]: refactored filters and errors

client.go

@@ -15,20 +15,6 @@ import (
 	"time"
 )
 
-// StatusCodeError is the error given if a request's status code is not 200
-type StatusCodeError string
-
-func (err StatusCodeError) Error() string {
-	return string(err)
-}
-
-// NoStocksMatchedQueryError is the error given if a screen returns no results
-type NoStocksMatchedQueryError string
-
-func (err NoStocksMatchedQueryError) Error() string {
-	return string(err)
-}
-
 // NewClient generates a new client instance
 func NewClient() *http.Client {
 	return &http.Client{

errors.go

@@ -0,0 +1,62 @@
+// Copyright (c) 2020 James Bury. All rights reserved.
+// Project site: https://github.com/d3an/finviz
+// Use of this source code is governed by a MIT-style license that
+// can be found in the LICENSE file for the project.
+
+package finviz
+
+// SignalNotFoundError is the error thrown if a query string is not found in the SignalLookup dict
+type SignalNotFoundError string
+
+func (err SignalNotFoundError) Error() string {
+	return string(err)
+}
+
+// SpecificOrderNotFoundError is the error thrown if a query string is not found in the SpecificOrderLookup dict
+type SpecificOrderNotFoundError string
+
+func (err SpecificOrderNotFoundError) Error() string {
+	return string(err)
+}
+
+// MultipleValuesError is the error thrown if an unsupported filter is initialized with multiple values
+type MultipleValuesError string
+
+func (err MultipleValuesError) Error() string {
+	return string(err)
+}
+
+// NoValuesError is the error thrown if a filter is initialized with no values
+type NoValuesError string
+
+func (err NoValuesError) Error() string {
+	return string(err)
+}
+
+// DuplicateFilterError is the error thrown if the same filter is declared more than once
+type DuplicateFilterError string
+
+func (err DuplicateFilterError) Error() string {
+	return string(err)
+}
+
+// FilterNotFoundError is the error thrown if a query string is not found in the FilterLookup dict
+type FilterNotFoundError string
+
+func (err FilterNotFoundError) Error() string {
+	return string(err)
+}
+
+// StatusCodeError is the error given if a request's status code is not 200
+type StatusCodeError string
+
+func (err StatusCodeError) Error() string {
+	return string(err)
+}
+
+// NoStocksMatchedQueryError is the error given if a screen returns no results
+type NoStocksMatchedQueryError string
+
+func (err NoStocksMatchedQueryError) Error() string {
+	return string(err)
+}