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30 lines
707 B
Go
30 lines
707 B
Go
package broadcast
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import (
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"chat/utils"
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"context"
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"github.com/gin-gonic/gin"
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"time"
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)
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func getLatestBroadcast(c *gin.Context) *Broadcast {
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db := utils.GetDBFromContext(c)
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cache := utils.GetCacheFromContext(c)
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if data, err := cache.Get(context.Background(), ":broadcast").Result(); err == nil {
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if broadcast := utils.UnmarshalForm[Broadcast](data); broadcast != nil {
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return broadcast
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}
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}
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var broadcast Broadcast
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if err := db.QueryRow(`
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SELECT id, content FROM broadcast ORDER BY id DESC LIMIT 1;
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`).Scan(&broadcast.Index, &broadcast.Content); err != nil {
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return nil
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}
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cache.Set(context.Background(), ":broadcast", utils.Marshal(broadcast), 10*time.Minute)
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return &broadcast
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}
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