Drop all config attributes, just serve a config.json

pkg/handler/config/config.go

@@ -1,8 +1,6 @@
 package config
 
 import (
-	"encoding/json"
-	"fmt"
 	"io/ioutil"
 	"net/http"
 	"os"
@@ -17,91 +15,36 @@ var (
 
 // config gets initialized by New and provides the handler.
 type config struct {
-	custom  string
-	server  string
-	theme   string
-	version string
-	client  string
-	apps    []string
-}
-
-// auth is part of the phoenix config repsonse.
-type auth struct {
-	ClientID string `json:"clientId"`
-	URL      string `json:"url"`
-	AuthURL  string `json:"authUrl"`
-}
-
-// phoenix is part of the phoenix config response.
-type phoenix struct {
-	Server  string   `json:"server"`
-	Theme   string   `json:"theme"`
-	Version string   `json:"version"`
-	Apps    []string `json:"apps"`
-	Auth    auth     `json:"auth"`
+	file string
 }
 
 // ServeHTTP just implements the http.Handler interface.
 func (c config) ServeHTTP(w http.ResponseWriter, r *http.Request) {
-	resp, err := c.payload()
+	if _, err := os.Stat(c.file); os.IsNotExist(err) {
+		log.Error().
+			Err(err).
+			Str("config", c.file).
+			Msg("Phoenix config doesn't exist")
+
+		http.Error(w, ErrConfigInvalid, http.StatusUnprocessableEntity)
+		return
+	}
+
+	payload, err := ioutil.ReadFile(c.file)
 
 	if err != nil {
+		log.Error().
+			Err(err).
+			Str("config", c.file).
+			Msg("Failed to read custom config")
+
 		http.Error(w, ErrConfigInvalid, http.StatusUnprocessableEntity)
 		return
 	}
 
 	w.Header().Set("Content-Type", "application/json")
 	w.WriteHeader(http.StatusOK)
-	w.Write(resp)
-}
-
-// payload prepares the phoenix config content.
-func (c config) payload() ([]byte, error) {
-	if c.custom != "" {
-		if _, err := os.Stat(c.custom); os.IsNotExist(err) {
-			log.Error().
-				Err(err).
-				Str("config", c.custom).
-				Msg("Custom config doesn't exist")
-
-			return []byte{}, err
-		}
-
-		payload, err := ioutil.ReadFile(c.custom)
-
-		if err != nil {
-			log.Error().
-				Err(err).
-				Str("config", c.custom).
-				Msg("Failed to read custom config")
-
-			return []byte{}, err
-		}
-
-		return payload, nil
-	}
-
-	payload, err := json.Marshal(phoenix{
-		Server:  c.server,
-		Theme:   c.theme,
-		Version: c.version,
-		Apps:    c.apps,
-		Auth: auth{
-			ClientID: c.client,
-			URL:      fmt.Sprintf("%s/apps/oauth2/api/v1/token", c.server),
-			AuthURL:  fmt.Sprintf("%s/apps/oauth2/authorize", c.server),
-		},
-	})
-
-	if err != nil {
-		log.Error().
-			Err(err).
-			Msg("Failed to generate config")
-
-		return []byte{}, err
-	}
-
-	return payload, nil
+	w.Write(payload)
 }
 
 // Handler returns the handler for config endpoint.

pkg/handler/config/option.go

@@ -3,44 +3,9 @@ package config
 // Option configures an assets option.
 type Option func(*config)
 
-// WithServer returns an option to set server.
-func WithServer(val string) Option {
+// WithConfig returns an option to set config.
+func WithConfig(val string) Option {
 	return func(c *config) {
-		c.server = val
-	}
-}
-
-// WithTheme returns an option to set theme.
-func WithTheme(val string) Option {
-	return func(c *config) {
-		c.theme = val
-	}
-}
-
-// WithVersion returns an option to set version.
-func WithVersion(val string) Option {
-	return func(c *config) {
-		c.version = val
-	}
-}
-
-// WithClient returns an option to set client id.
-func WithClient(val string) Option {
-	return func(c *config) {
-		c.client = val
-	}
-}
-
-// WithApps returns an option to set apps.
-func WithApps(val []string) Option {
-	return func(c *config) {
-		c.apps = val
-	}
-}
-
-// WithCustom returns an option to set custom config.
-func WithCustom(val string) Option {
-	return func(c *config) {
-		c.custom = val
+		c.file = val
 	}
 }