53 lines
1.3 KiB
Go
53 lines
1.3 KiB
Go
package main
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import (
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"os"
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"regexp"
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"encoding/json"
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"github.com/azukaar/cosmos-server/src/utils"
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)
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func LoadConfig() utils.Config {
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configFile := utils.GetConfigFileName()
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utils.Log("Using config file: " + configFile)
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if utils.CreateDefaultConfigFileIfNecessary() {
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utils.LoadBaseMainConfig(utils.DefaultConfig)
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return utils.DefaultConfig
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}
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file, err := os.Open(configFile)
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if err != nil {
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utils.Fatal("Opening Config File: ", err)
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}
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defer file.Close()
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decoder := json.NewDecoder(file)
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config := utils.Config{}
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err = decoder.Decode(&config)
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// check file is not empty
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if err != nil {
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// check error is not empty
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if err.Error() == "EOF" {
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utils.Fatal("Reading Config File: File is empty.", err)
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}
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// get error string
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errString := err.Error()
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// replace string in error
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m1 := regexp.MustCompile(`json: cannot unmarshal ([A-Za-z\.]+) into Go struct field ([A-Za-z\.]+) of type ([A-Za-z\.]+)`)
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errString = m1.ReplaceAllString(errString, "Invalid JSON in config file.\n > Field $2 is wrong.\n > Type is $1 Should be $3")
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utils.Fatal("Reading Config File: " + errString, err)
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}
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// check if config is valid
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utils.Log("Validating config file...")
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err = utils.Validate.Struct(config)
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if err != nil {
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utils.Fatal("Reading Config File: " + err.Error(), err)
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}
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utils.LoadBaseMainConfig(config)
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return config
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} |