50 lines
1.3 KiB
Go
50 lines
1.3 KiB
Go
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package service
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import (
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"fmt"
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"strings"
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"yitao/model"
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"encoding/json"
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)
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type CommonService struct{}
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type TypeSetting map[string]string
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type TypeSettings map[string]TypeSetting
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func (c *CommonService) GetSetting(key string) TypeSetting {
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settings_json := model.RedisRemember("nexus_settings_in_nexus", 600, func() interface{} {
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j, _ := json.Marshal(c.GetSettingsFromDB())
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return j
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})
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m := make(TypeSettings)
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json.Unmarshal([]byte(settings_json), &m)
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return m[key]
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}
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func (c *CommonService) GetSettingsFromDB() TypeSettings {
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// settings 表中的两个字段：name 和 value，把他们读取出来再组装成一个 map
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var results []struct {
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Name string
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Value string
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}
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model.DB.Table("settings").Select("name", "value").Find(&results)
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// 从 results 中取出 name 和 value 组装成一个 map
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// 其中 name 的格式是 xxx.yyy ，那么就是一个嵌套的 map
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settings := make(TypeSettings)
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for _, result := range results {
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keys := strings.Split(result.Name, ".")
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if len(keys) == 1 {
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settings[keys[0]] = TypeSetting{keys[0]: result.Value}
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} else {
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if _, ok := settings[keys[0]]; !ok {
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settings[keys[0]] = TypeSetting{}
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}
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settings[keys[0]][keys[1]] = result.Value
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}
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}
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fmt.Printf("settings: %v\n", settings)
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return settings
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}
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