74 lines
1.7 KiB
Go
74 lines
1.7 KiB
Go
package main
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import (
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"context"
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"flag"
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"fmt"
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"hackernewsletter/db"
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"hackernewsletter/hackernews"
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"hackernewsletter/params"
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"log"
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"time"
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"github.com/aws/aws-sdk-go-v2/config"
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"github.com/aws/aws-sdk-go-v2/service/dynamodb"
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)
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func main() {
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conf, err := params.LoadConfig(".")
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if err != nil {
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log.Fatal("Cannot load config:", err)
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}
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table := flag.String("t", "", "The name of the table")
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flag.Parse()
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if *table == "" {
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fmt.Println("Table name not specified. Using default name.")
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table = &conf.TableName
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}
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cfg, err := config.LoadDefaultConfig(context.TODO(), config.WithRegion(conf.AwsRegion))
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if err != nil {
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panic("Unable to load SDK config, " + err.Error())
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}
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client := dynamodb.NewFromConfig(cfg)
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input := &dynamodb.DescribeTableInput{
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TableName: table,
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}
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newsTable := db.Table{client, *table, conf.TableIndex}
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resp, err := db.GetTableInfo(context.TODO(), client, input)
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if err != nil {
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println(("Table not found. Creating it..."))
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_, new_err := db.CreateTable(newsTable)
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if new_err != nil {
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panic("Failed creating table " + *table)
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}
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resp, err = db.GetTableInfo(context.TODO(), client, input)
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}
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fmt.Printf("Table %v has %v elements\n", *table, resp.Table.ItemCount)
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newsIds := hackernews.GetTopNewsIds(conf.TopNews)
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var newsBatch []db.News
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for i := 0; i < 10; i++ {
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myNews := hackernews.GetNewsById(newsIds[i], conf.SingleNews)
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newsBatch = append(newsBatch, myNews)
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}
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db.AddNewsBatch(newsTable, newsBatch, conf.BatchSize)
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timeEnd := time.Date(time.Now().Year(), time.Now().Month(), time.Now().Day(), 0, 0, 0, 0, time.UTC)
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timeStart := timeEnd.Add(-time.Hour * 24)
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todayNews, _ := db.ReadTodayNews(newsTable, int(timeStart.Unix()), int(timeEnd.Unix()))
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println("NEWS", todayNews)
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}
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