commit 05f2348db41c15af45f31c8d4491f48744781fec · julien.rbrt.fr/tangled-core

+4 -7

knotserver/db/init.go

···

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       		create table if not exists known_dids (

     

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       			did text primary key

     

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       		);

     

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       +
       

     

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       		create table if not exists public_keys (

     

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       			id integer primary key autoincrement,

     

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       			did text not null,

     
···

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       			created timestamp default current_timestamp,

     

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       			unique(did, name)

     

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       		);

     

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       -
       		create table if not exists access_levels (

     

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       +
       

     

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       +
       		create table if not exists _jetstream (

     

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       			id integer primary key autoincrement,

     

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       -
       			repo_id integer not null,

     

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       -
       			did text not null,

     

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       -
       			access text not null check (access in ('OWNER', 'WRITER')),

     

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       -
       			created timestamp default current_timestamp,

     

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       -
       			unique(repo_id, did),

     

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       -
       			foreign key (repo_id) references repos(id) on delete cascade

     

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       +
       			last_time_us integer not null

     

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       		);

     

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       	`)

     

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       	if err != nil {

+13

knotserver/db/jetstream.go

···

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       +
       package db

     

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       func (d *DB) SaveLastTimeUs(lastTimeUs int64) error {

     

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       	_, err := d.db.Exec(`insert into _jetstream (last_time_us) values (?)`, lastTimeUs)

     

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       	return err

     

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       +
       }

     

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       +
       

     

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       func (d *DB) GetLastTimeUs() (int64, error) {

     

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       	var lastTimeUs int64

     

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       	row := d.db.QueryRow(`select last_time_us from _jetstream`)

     

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       	err := row.Scan(&lastTimeUs)

     

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       +
       	return lastTimeUs, err

     

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       }

+26 -1

knotserver/handler.go

···

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       	"fmt"

     

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       	"log"

     

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       	"net/http"

     

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       +
       	"time"

     

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       	"github.com/go-chi/chi/v5"

     

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       	tangled "github.com/sotangled/tangled/api/tangled"

     
···

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       	collections := []string{tangled.PublicKeyNSID, tangled.KnotMemberNSID}

     

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       	dids := []string{}

     

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       +
       	var lastTimeUs int64

     

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       	var err error

     

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       +
       	lastTimeUs, err = h.db.GetLastTimeUs()

     

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       +
       	if err != nil {

     

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       		log.Println("couldn't get last time us, starting from now")

     

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       		lastTimeUs = time.Now().UnixMicro()

     

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       	}

     

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       	// If last time is older than a week, start from now

     

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       	if time.Now().UnixMicro()-lastTimeUs > 7*24*60*60*1000*1000 {

     

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       		lastTimeUs = time.Now().UnixMicro()

     

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       +
       		log.Printf("last time us is older than a week. discarding that and starting from now.")

     

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       		err = h.db.SaveLastTimeUs(lastTimeUs)

     

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       +
       		if err != nil {

     

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       			log.Println("failed to save last time us")

     

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       		}

     

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       +
       	}

     

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       +
       

     

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       +
       	log.Printf("found last time_us %d", lastTimeUs)

     

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       +
       

     

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       	h.js = jsclient.NewJetstreamClient(collections, dids)

     

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       -
       	messages, err := h.js.ReadJetstream(ctx)

     

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       +
       	messages, err := h.js.ReadJetstream(ctx, lastTimeUs)

     

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       	if err != nil {

     

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       		return fmt.Errorf("failed to read from jetstream: %w", err)

     

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       	}

     
···

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       						h.e.AddMember(ThisServer, record["member"].(string))

     

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       					}

     

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       				default:

     

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       +
       				}

     

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       +
       

     

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       +
       				lastTimeUs := int64(data["time_us"].(float64))

     

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       +
       				if err := h.db.SaveLastTimeUs(lastTimeUs); err != nil {

     

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       					log.Printf("failed to save last time us: %v", err)

     

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       				}

     

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       			}

     

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+5 -3

knotserver/jsclient/jetstream.go

···

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       	}

     

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       }

     

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       -
       func (j *JetstreamClient) ReadJetstream(ctx context.Context) (chan []byte, error) {

     

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       -
       	fiveSecondsAgo := time.Now().Add(-5 * time.Second).UnixMicro()

     

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       +
       func (j *JetstreamClient) ReadJetstream(ctx context.Context, lastTimestamp int64) (chan []byte, error) {

     

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       +
       	if lastTimestamp == 0 {

     

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       		lastTimestamp = time.Now().Add(-5 * time.Second).UnixMicro()

     

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       	}

     

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       -
       	if err := j.connect(fiveSecondsAgo); err != nil {

     

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       +
       	if err := j.connect(lastTimestamp); err != nil {

     

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       		log.Printf("error connecting to jetstream: %v", err)

     

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       		return nil, err

     

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       	}