2020-07-28 19:17:07 +00:00
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package main
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import (
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"github.com/spf13/viper"
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"log"
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)
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type config struct {
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server *configServer
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db *configDb
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2020-07-29 20:45:26 +00:00
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cache *configCache
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2020-07-31 13:48:01 +00:00
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blog *configBlog
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2020-07-28 19:17:07 +00:00
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}
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type configServer struct {
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logging bool
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port int
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}
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type configDb struct {
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file string
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}
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2020-07-29 20:45:26 +00:00
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type configCache struct {
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enable bool
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expiration int64
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}
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2020-07-31 13:48:01 +00:00
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// exposed to templates via function "blog"
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type configBlog struct {
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// Language of the blog, e.g. "en" or "de"
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Lang string
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// Title of the blog, e.g. "My blog"
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Title string
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}
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2020-07-28 19:17:07 +00:00
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var appConfig = &config{
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server: &configServer{},
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db: &configDb{},
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2020-07-29 20:45:26 +00:00
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cache: &configCache{},
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2020-07-31 13:48:01 +00:00
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blog: &configBlog{},
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2020-07-28 19:17:07 +00:00
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}
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func initConfig() error {
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viper.SetConfigName("config")
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viper.AddConfigPath("./config/")
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err := viper.ReadInConfig()
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if err != nil {
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return err
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}
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// Server
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serverLogging := "server.logging"
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viper.SetDefault(serverLogging, false)
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appConfig.server.logging = viper.GetBool(serverLogging)
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logConfig(serverLogging, appConfig.server.logging)
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serverPort := "server.port"
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viper.SetDefault(serverPort, 8080)
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appConfig.server.port = viper.GetInt(serverPort)
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logConfig(serverPort, appConfig.server.port)
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// Database
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databaseFile := "database.file"
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viper.SetDefault(databaseFile, "data/db.sqlite")
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appConfig.db.file = viper.GetString(databaseFile)
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logConfig(databaseFile, appConfig.db.file)
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2020-07-29 20:45:26 +00:00
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// Caching
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cacheEnable := "cache.enable"
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viper.SetDefault(cacheEnable, true)
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appConfig.cache.enable = viper.GetBool(cacheEnable)
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logConfig(cacheEnable, appConfig.cache.enable)
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cacheExpiration := "cache.expiration"
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viper.SetDefault(cacheExpiration, 600)
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appConfig.cache.expiration = viper.GetInt64(cacheExpiration)
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logConfig(cacheExpiration, appConfig.cache.expiration)
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2020-07-31 13:48:01 +00:00
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// Blog meta
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blogLang := "blog.lang"
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viper.SetDefault(blogLang, "en")
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appConfig.blog.Lang = viper.GetString(blogLang)
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logConfig(blogLang, appConfig.blog.Lang)
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blogTitle := "blog.title"
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viper.SetDefault(blogTitle, "My blog")
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appConfig.blog.Title = viper.GetString(blogTitle)
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logConfig(blogTitle, appConfig.blog.Title)
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2020-07-28 19:17:07 +00:00
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return nil
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}
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func logConfig(key string, value interface{}) {
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log.Println(key+":", value)
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}
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