commit ccdc3b51b082b8064d5b9061d22b19b86281d4ce · edavis.dev/bsky-tools

+102
cmd/plc-activity/main.go
···

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       package main

     

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       import (

     

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       	"context"

     

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       	"encoding/json"

     

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       	"io"

     

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       	"log"

     

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       	"net/http"

     

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       	"strings"

     

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       	"time"

     

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       	"github.com/bluesky-social/indigo/atproto/syntax"

     

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       	"github.com/redis/go-redis/v9"

     

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       )

     

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       const PlcExportUrl = `https://plc.directory/export`

     

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       const PlcOpsCountKey = `dev.edavis.muninsky.plc_ops`

     

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       func main() {

     

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       	ctx := context.Background()

     

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       	client := http.DefaultClient

     

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       	rdb := redis.NewClient(&redis.Options{

     

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       		Addr:     "localhost:6379",

     

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       		Password: "",

     

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       		DB:       0,

     

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       	})

     

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       	req, err := http.NewRequestWithContext(ctx, "GET", PlcExportUrl, nil)

     

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       	if err != nil {

     

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       		panic(err)

     

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       	}

     

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       	var lastCursor string

     

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       	var cursor string

     

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       	cursor = syntax.DatetimeNow().String()

     

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       	q := req.URL.Query()

     

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       	q.Add("count", "1000")

     

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       	req.URL.RawQuery = q.Encode()

     

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       	for {

     

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       		q := req.URL.Query()

     

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       		if cursor != "" {

     

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       			q.Set("after", cursor)

     

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       		}

     

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       		req.URL.RawQuery = q.Encode()

     

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       		log.Printf("requesting %s\n", req.URL.String())

     

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       		resp, err := client.Do(req)

     

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       		if err != nil {

     

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       			log.Printf("error doing PLC request: %v\n", err)

     

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       		}

     

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       		if resp.StatusCode != http.StatusOK {

     

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       			log.Printf("PLC request failed status=%d\n", resp.StatusCode)

     

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       		}

     

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       		respBytes, err := io.ReadAll(resp.Body)

     

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       		if err != nil {

     

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       			log.Printf("error reading response body: %v\n", err)

     

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       		}

     

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       		lines := strings.Split(string(respBytes), "\n")

     

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       		if len(lines) == 0 || (len(lines) == 1 && len(lines[0]) == 0) {

     

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       			time.Sleep(5 * time.Second)

     

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       			continue

     

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       		}

     

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       		var opCount int64

     

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       		for _, l := range lines {

     

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       			if len(l) < 2 {

     

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       				break

     

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       			}

     

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       			var op map[string]interface{}

     

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       			err = json.Unmarshal([]byte(l), &op)

     

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       			if err != nil {

     

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       				log.Printf("error decoding JSON: %v\n", err)

     

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       			}

     

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       			var ok bool

     

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       			cursor, ok = op["createdAt"].(string)

     

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       			if !ok {

     

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       				log.Printf("missing createdAt")

     

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       			}

     

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       			if cursor == lastCursor {

     

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       				continue

     

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       			}

     

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       			opCount += 1

     

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       			lastCursor = cursor

     

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       		}

     

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       		log.Printf("fetched %d operations", opCount)

     

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       		if _, err := rdb.IncrBy(ctx, PlcOpsCountKey, opCount).Result(); err != nil {

     

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       			log.Printf("error incrementing op count in redis: %v\n", err)

     

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       		}

     

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       		time.Sleep(5 * time.Second)

     

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       	}

     

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       }