pikapika/go/main/controller/common.go

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package controller
import (
"encoding/json"
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"pikapika/main/database/comic_center"
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)
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// EventNotify EventChannel 总线
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var EventNotify func(message string)
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// 所有的EventChannel都是从这里发出, 格式为json, function代表了是什么事件, content是消息的内容
// 消息传到前端后由前端调度分发
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func onEvent(function string, content string) {
event := EventNotify
if event != nil {
message := map[string]string{
"function": function,
"content": content,
}
buff, err := json.Marshal(message)
if err == nil {
event(string(buff))
} else {
print("SEND ERR?")
}
}
}
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// 发送下载的事件
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func downloadComicEventSend(comicDownload *comic_center.ComicDownload) {
buff, err := json.Marshal(comicDownload)
if err == nil {
onEvent("DOWNLOAD", string(buff))
} else {
print("SEND ERR?")
}
}
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// 发送导出的事件
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func notifyExport(str string) {
onEvent("EXPORT", str)
}
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// 将interface序列化成字符串, 方便与flutter通信
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func serialize(point interface{}, err error) (string, error) {
if err != nil {
return "", err
}
buff, err := json.Marshal(point)
return string(buff), nil
}