fix

Reviewed-on: #3

.gitignore

@@ -5,4 +5,4 @@ feeds/
 /xt
 .env
 *.txt
-*.txt.xz
+*.xz

app.go

@@ -4,12 +4,12 @@ import (
 	"context"
 	"database/sql"
 	"fmt"
-	"iter"
+	"io"
+	"net/http"
 	"os"
 	"runtime/debug"
 	"strconv"
 	"strings"
-	"sync"
 
 	_ "embed"
 
@@ -18,14 +18,15 @@ import (
 	"go.opentelemetry.io/otel/attribute"
 	semconv "go.opentelemetry.io/otel/semconv/v1.4.0"
 	"go.opentelemetry.io/otel/trace"
+	"go.sour.is/xt/internal/console"
 	"go.sour.is/xt/internal/otel"
 	"go.yarn.social/lextwt"
 	"go.yarn.social/types"
 	"golang.org/x/sync/errgroup"
 )
 
-func run(c *console) error {
-	ctx, span := otel.Span(c.Context)
+func run(ctx context.Context, c *console.C[args]) error {
+	ctx, span := otel.Span(ctx)
 	defer span.End()
 
 	bi, _ := debug.ReadBuildInfo()
@@ -33,8 +34,8 @@ func run(c *console) error {
 
 	a := c.Args()
 	app := &appState{
-		args:  a,
-		feeds: sync.Map{},
+		args: a,
+		C:    c,
 		queue: FibHeap(func(a, b *Feed) bool {
 			return a.NextScanOn.Time.Before(b.NextScanOn.Time)
 		}),
@@ -69,52 +70,68 @@ func run(c *console) error {
 		ctx, span := otel.Span(ctx)
 		defer span.End()
 
-		f, err := os.Open(a.baseFeed)
-		if err != nil {
-			return err
-		}
-		defer f.Close()
-
-		twtfile, err := lextwt.ParseFile(f, &types.Twter{
-			Nick: a.Nick,
-			URI:  a.URI,
-		})
-		if err != nil {
-			return fmt.Errorf("%w: %w", ErrParseFailed, err)
-		}
-
 		db, err := app.DB(ctx)
 		if err != nil {
 			return err
 		}
 		defer db.Close()
 
-		return storeFeed(ctx, db, twtfile)
+		var inFile io.Reader
+
+		if a.baseFeed != "" {
+			f, err := os.Open(a.baseFeed)
+			if err != nil {
+				return err
+			}
+			defer f.Close()
+			err = storeRegistry(ctx, db, f)
+			if err != nil {
+				return err
+			}
+		}
+
+		if a.URI != "" {
+			res, err := http.Get(a.URI)
+			if err != nil {
+				return err
+			}
+			inFile = res.Body
+			defer res.Body.Close()
+			twtfile, err := lextwt.ParseFile(inFile, &types.Twter{
+				Nick: a.Nick,
+				URI:  a.URI,
+			})
+			if err != nil {
+				return fmt.Errorf("%w: %w", ErrParseFailed, err)
+			}
+
+			return storeFeed(ctx, db, twtfile)
+		}
+		return nil
 	}(ctx)
 	if err != nil {
 		return err
 	}
 
 	wg, ctx := errgroup.WithContext(ctx)
-	c.Context = ctx
 
 	wg.Go(func() error {
-		return feedRefreshProcessor(c, app)
+		return feedRefreshProcessor(ctx, app)
 	})
-	go httpServer(c, app)
+	go httpServer(ctx, app)
 
 	err = wg.Wait()
 	if err != nil {
 		return err
 	}
 
-	return c.Context.Err()
+	return ctx.Err()
 }
 
 type appState struct {
 	args  args
-	feeds sync.Map
 	queue *fibHeap[Feed]
+	*console.C[args]
 }
 
 type db struct {
@@ -173,23 +190,3 @@ func (app *appState) DB(ctx context.Context) (db, error) {
 
 	return db, err
 }
-
-func (app *appState) Feed(feedID string) *Feed {
-	return nil
-}
-
-func (app *appState) Feeds() iter.Seq2[string, *Feed] {
-	return func(yield func(string, *Feed) bool) {
-		app.feeds.Range(func(k, v any) bool {
-			key, _ := k.(string)
-			value, ok := v.(*Feed)
-			if !ok {
-				return false
-			}
-			if !yield(key, value) {
-				return false
-			}
-			return true
-		})
-	}
-}

cmd/load/main.go

@@ -1,92 +0,0 @@
-package main
-
-import (
-	"context"
-	"database/sql"
-	"fmt"
-	"hash/fnv"
-	"iter"
-	"os"
-
-	"github.com/oklog/ulid/v2"
-	"github.com/uptrace/opentelemetry-go-extra/otelsql"
-	"go.yarn.social/lextwt"
-	"go.yarn.social/types"
-)
-
-func main() {
-	in := os.Stdin
-	if len(os.Args) != 2 {
-		fmt.Fprint(os.Stderr, "usage: ", os.Args[0], "[db file]")
-	}
-
-	db, err := DB(context.Background(), os.Args[1])
-	if err != nil {
-		panic(err)
-	}
-	_ = db
-
-	for line := range lextwt.IterRegistry(in) {
-		_ = line
-	}
-}
-
-const MaxVariableNumber = 32766
-
-func DB(ctx context.Context, cnx string) (*sql.DB, error) {
-	// return sql.Open(app.args.dbtype, app.args.dbfile)
-
-	db, err := otelsql.Open("sqlite", cnx)
-	if err != nil {
-		return db, err
-	}
-
-	return db, err
-}
-
-func makeULID(twt types.Twt) ulid.ULID {
-	h64 := fnv.New64a()
-	h16 := fnv.New32a()
-	text := []byte(fmt.Sprintf("%+l", twt))
-	b := make([]byte, 10)
-	copy(b, h16.Sum(text)[:2])
-	copy(b[2:], h64.Sum(text))
-	u := ulid.ULID{}
-	u.SetTime(ulid.Timestamp(twt.Created()))
-	u.SetEntropy(b)
-
-	return u
-}
-
-func chunk(args []any, qry func(int) (string, int), maxArgs int) iter.Seq2[string, []any] {
-	_, size := qry(1)
-	itemsPerIter := maxArgs / size
-
-	if len(args) < size {
-		return func(yield func(string, []any) bool) {}
-	}
-
-	if len(args) < maxArgs {
-		return func(yield func(string, []any) bool) {
-			query, _ := qry(len(args) / size)
-			yield(query, args)
-		}
-	}
-
-	return func(yield func(string, []any) bool) {
-		for len(args) > 0 {
-			if len(args) > maxArgs {
-				query, size := qry(itemsPerIter)
-				if !yield(query, args[:size]) {
-					return
-				}
-				args = args[size:]
-				continue
-			}
-
-			query, _ := qry(len(args) / size)
-			yield(query, args)
-			return
-		}
-	}
-}

feed.go

@@ -3,10 +3,11 @@ package main
 import (
 	"cmp"
 	"context"
+	"crypto/sha3"
 	"database/sql"
 	"database/sql/driver"
 	"fmt"
-	"hash/fnv"
+	"io"
 	"iter"
 	"net/http"
 	"net/url"
@@ -17,14 +18,17 @@ import (
 	_ "embed"
 
 	"github.com/oklog/ulid/v2"
+	"go.opentelemetry.io/otel/attribute"
+	"go.opentelemetry.io/otel/trace"
 	"go.sour.is/xt/internal/otel"
+	"go.sour.is/xt/internal/uuid"
 	"go.yarn.social/lextwt"
 	"go.yarn.social/types"
 )
 
 type Feed struct {
-	FeedID      uuid
-	ParentID    uuid
+	FeedID      uuid.UUID
+	ParentID    uuid.UUID
 	HashURI     string
 	URI         string
 	Nick        string
@@ -74,10 +78,12 @@ var (
 				refresh_rate
 			)
 			values (?, ?, ?, ?, ?, ?, ?)` + repeat + `
-			ON CONFLICT (feed_id) DO NOTHING`, r * 7
+			ON CONFLICT (feed_id) DO NOTHING
+			`, r * 7
 	}
 	updateFeed = `
 		update feeds set
+			nick = ?,
 		    state = ?,
 			last_scan_on = ?,
 			refresh_rate = ?,
@@ -93,10 +99,20 @@ var (
 			repeat = strings.Repeat(", (?, ?, ?, ?, ?, ?, ?)", r-1)
 		}
 		return `
-			insert into twts
-				(feed_id, ulid, text, hash, conv, mentions, tags)
+			insert into twts (
+				feed_id,
+				ulid,
+				text,
+				hash,
+				conv,
+				mentions,
+				tags
+			)
 			values (?, ?, ?, ?, ?, ?, ?)` + repeat + `
-			ON CONFLICT (feed_id, ulid) DO NOTHING`, r * 7
+			ON CONFLICT (feed_id, ulid) DO UPDATE SET
+				conv = excluded.conv,
+				hash = excluded.hash
+			`, r * 7
 	}
 
 	fetchFeeds = `
@@ -118,10 +134,10 @@ var (
 			last_modified_on,
 			last_etag
 		from feeds
-                left join (
-                      select feed_id, max(strftime('%Y-%m-%dT%H:%M:%fZ', (substring(text, 1, instr(text, '	')-1)))) last_twt_on
-                      from twts group by feed_id
-                ) using (feed_id)
+		left join (
+				select feed_id, max(strftime('%Y-%m-%dT%H:%M:%fZ', (substring(text, 1, instr(text, '	')-1)))) last_twt_on
+				from twts group by feed_id
+		) using (feed_id)
 		left join (
 			select
 				feed_id parent_id,
@@ -134,26 +150,12 @@ var (
 			'+'||abs(refresh_rate+cast(random()%30 as int))||' seconds'
 		) < datetime(current_timestamp, '+3 minutes')
 	`
+	permaban = []string{
+		"//lublin.se/",
+		"//enotty.dk/",
+	}
 )
 
-func (f *Feed) Create(ctx context.Context, db db) error {
-	ctx, span := otel.Span(ctx)
-	defer span.End()
-	query, _ := insertFeed(1)
-	_, err := db.ExecContext(
-		ctx,
-		query,
-		f.FeedID,      // feed_id
-		f.ParentID,    // parent_id
-		f.Nick,        // nick
-		f.URI,         // uri
-		f.State,       // state
-		f.LastScanOn,  // last_scan_on
-		f.RefreshRate, // refresh_rate
-	)
-	return err
-}
-
 func (f *Feed) Save(ctx context.Context, db db) error {
 	ctx, span := otel.Span(ctx)
 	defer span.End()
@@ -161,6 +163,7 @@ func (f *Feed) Save(ctx context.Context, db db) error {
 	_, err := db.ExecContext(
 		ctx,
 		updateFeed,
+		f.Nick,
 		f.State,        // state
 		f.LastScanOn,   // last_scan_on
 		f.RefreshRate,  // refresh_rate
@@ -234,7 +237,13 @@ func storeFeed(ctx context.Context, db db, f types.TwtFile) error {
 	loadTS := time.Now()
 	refreshRate := 600
 
-	feedID := urlNS.UUID5(cmp.Or(f.Twter().HashingURI, f.Twter().URI))
+	feedURI, _ := f.Info().GetN("uri", 0)
+
+	feedID := uuid.UrlNS.UUID5(cmp.Or(
+		feedURI.Value(),
+		f.Twter().HashingURI,
+		f.Twter().URI,
+	))
 
 	tx, err := db.BeginTx(ctx, nil)
 	if err != nil {
@@ -244,18 +253,18 @@ func storeFeed(ctx context.Context, db db, f types.TwtFile) error {
 	followers := f.Info().GetAll("follow")
 	followMap := make(map[string]string, len(followers))
 	for _, f := range f.Info().GetAll("follow") {
-		nick, uri, ok := strings.Cut(f.Value(), "http")
+		nick, uri, ok := strings.Cut(f.Value(), " ")
 		if !ok {
 			continue
 		}
 		nick = strings.TrimSpace(nick)
-		uri = "http" + strings.TrimSpace(uri)
+		uri = strings.TrimSpace(uri)
 
 		if _, err := url.Parse(uri); err != nil {
 			continue
 		}
 
-		followMap[nick] = uri
+		followMap[uri] = nick
 	}
 
 	defer tx.Rollback()
@@ -265,13 +274,15 @@ func storeFeed(ctx context.Context, db db, f types.TwtFile) error {
 	args := make([]any, 0, size)
 
 	for _, twt := range twts {
-		mentions := make(uuids, 0, len(twt.Mentions()))
+		twtID := makeULID(twt)
+
+		mentions := make(uuid.UUIDs, 0, len(twt.Mentions()))
 		for _, mention := range twt.Mentions() {
-			followMap[mention.Twter().Nick] = mention.Twter().URI
-			mentions = append(mentions, urlNS.UUID5(mention.Twter().URI))
+			followMap[mention.Twter().URI] = mention.Twter().Nick
+			mentions = append(mentions, uuid.UrlNS.UUID5(mention.Twter().URI))
 		}
 
-		tags := make(strList, 0, len(twt.Tags()))
+		tags := make(uuid.List, 0, len(twt.Tags()))
 		for _, tag := range twt.Tags() {
 			tags = append(tags, tag.Text())
 		}
@@ -283,13 +294,14 @@ func storeFeed(ctx context.Context, db db, f types.TwtFile) error {
 				subjectTag = tag.Text()
 			}
 		}
+
 		args = append(
 			args,
 			feedID,                  // feed_id
-			makeULID(twt),           // ulid
+			twtID,                   // ulid
 			fmt.Sprintf("%+l", twt), // text
-			subjectTag,              // conv
 			twt.Hash(),              // hash
+			subjectTag,              // conv
 			mentions.ToStrList(),    // mentions
 			tags,                    // tags
 		)
@@ -330,7 +342,7 @@ func storeFeed(ctx context.Context, db db, f types.TwtFile) error {
 			}
 
 			part = uri[:strings.LastIndex(uri, "/")+1] + part
-			childID := urlNS.UUID5(part)
+			childID := uuid.UrlNS.UUID5(part)
 			fmt.Println("found prev", uri, part)
 			args = append(args,
 				childID,                // feed_id
@@ -344,15 +356,15 @@ func storeFeed(ctx context.Context, db db, f types.TwtFile) error {
 		}
 	}
 
-	for nick, uri := range followMap {
+	for uri, nick := range followMap {
 		args = append(args,
-			urlNS.UUID5(uri), // feed_id
-			nil,              // parent_id
-			nick,             // nick
-			uri,              // uri
-			"warm",           // state
-			nil,              // last_scan_on
-			refreshRate,      // refresh_rate
+			uuid.UrlNS.UUID5(uri), // feed_id
+			nil,                   // parent_id
+			nick,                  // nick
+			uri,                   // uri
+			"warm",                // state
+			nil,                   // last_scan_on
+			refreshRate,           // refresh_rate
 		)
 	}
 	for query, args := range chunk(args, insertFeed, db.MaxVariableNumber) {
@@ -368,13 +380,138 @@ func storeFeed(ctx context.Context, db db, f types.TwtFile) error {
 
 	return tx.Commit()
 }
+func storeRegistry(ctx context.Context, db db, in io.Reader) error {
+	ctx, span := otel.Span(ctx)
+	defer span.End()
+
+	twters := make(map[string]string)
+	args := make([]any, 0, 1024*16)
+
+	i := 0
+	for line := range lextwt.IterRegistry(in) {
+		twt, ok := line.(*lextwt.Twt)
+		if !ok {
+			continue
+		}
+
+		nick := twt.Twter().DomainNick()
+		uri := twt.Twter().URI
+		feedID := uuid.UrlNS.UUID5(uri)
+		twtID := makeULID(twt)
+		text := fmt.Sprintf("%+l", twt)
+
+		// if !strings.HasPrefix(uri, "http") {
+		// 	fmt.Println("skip bad uri ", nick, uri)
+		// 	continue
+		// }
+
+		// if strings.HasPrefix(nick, "http") {
+		// 	fmt.Println("skip bad nick", nick, uri)
+		// 	continue
+		// }
+
+		twters[uri] = nick
+
+		mentions := make(uuid.UUIDs, 0, len(twt.Mentions()))
+		for _, mention := range twt.Mentions() {
+			twters[uri] = nick
+			mentions = append(mentions, uuid.UrlNS.UUID5(mention.Twter().URI))
+		}
+
+		tags := make(uuid.List, 0, len(twt.Tags()))
+		for _, tag := range twt.Tags() {
+			tags = append(tags, tag.Text())
+		}
+
+		subject := twt.Subject()
+		subjectTag := ""
+		if tag, ok := subject.Tag().(*lextwt.Tag); ok && tag != nil {
+			subjectTag = tag.Text()
+		}
+
+		args = append(
+			args,
+			feedID,               // feed_id
+			twtID,                // ulid
+			text,                 // text
+			twt.Hash(),           // hash
+			subjectTag,           // conv
+			mentions.ToStrList(), // mentions
+			tags,                 // tags
+		)
+
+		if len(args) >= 16*1022 {
+			i += len(args)
+			fmt.Println("store", i/7, i)
+			tx, err := db.BeginTx(ctx, nil)
+			if err != nil {
+				return err
+			}
+
+			for query, args := range chunk(args, insertTwt, db.MaxVariableNumber) {
+				// fmt.Println("store", len(args))
+
+				_, err = tx.ExecContext(
+					ctx,
+					query,
+					args...,
+				)
+				if err != nil {
+					return err
+				}
+			}
+
+			args = args[:0]
+
+			for uri, nick := range twters {
+				// if !strings.HasPrefix(uri, "http") {
+				// 	fmt.Println("skip", nick, uri)
+				// 	continue
+				// }
+				// if strings.HasPrefix(nick, "http") {
+				// 	fmt.Println("skip bad nick", nick, uri)
+				// 	continue
+				// }
+
+				feedID := uuid.UrlNS.UUID5(uri)
+
+				args = append(args,
+					feedID,          // feed_id
+					nil,             // parent_id
+					nick,            // nick
+					uri,             // uri
+					PermanentlyDead, // state
+					nil,             // last_scan_on
+					TenYear,         // refresh_rate
+				)
+			}
+			for query, args := range chunk(args, insertFeed, db.MaxVariableNumber) {
+				_, err = tx.ExecContext(
+					ctx,
+					query,
+					args...,
+				)
+				if err != nil {
+					return err
+				}
+			}
+			args = args[:0]
+
+			err = tx.Commit()
+			if err != nil {
+				return err
+			}
+		}
+	}
+
+	return refreshLastTwt(ctx, db)
+}
 
 func (feed *Feed) MakeHTTPRequest(ctx context.Context) (*http.Request, error) {
-	if strings.Contains(feed.URI, "lublin.se") {
-		return nil, fmt.Errorf("%w: permaban: %s", ErrPermanentlyDead, feed.URI)
-	}
-	if strings.Contains(feed.URI, "enotty.dk") {
-		return nil, fmt.Errorf("%w: permaban: %s", ErrPermanentlyDead, feed.URI)
+	for _, host := range permaban {
+		if strings.Contains(feed.URI, host) {
+			return nil, fmt.Errorf("%w: permaban: %s", ErrPermanentlyDead, feed.URI)
+		}
 	}
 
 	req, err := http.NewRequestWithContext(ctx, "GET", feed.URI, nil)
@@ -392,6 +529,7 @@ func (feed *Feed) MakeHTTPRequest(ctx context.Context) (*http.Request, error) {
 		req.Header.Add("If-None-Match", feed.ETag.String)
 	}
 
+	// TODO: this is probably not needed.
 	if feed.DiscloseFeedURL != "" && feed.DiscloseNick != "" {
 		req.Header.Set("User-Agent", fmt.Sprintf("xt/%s (+%s; @%s)",
 			feed.Version, feed.DiscloseFeedURL, feed.DiscloseNick))
@@ -416,8 +554,8 @@ func (n *TwtTime) Scan(value any) error {
 		n.Time, n.Valid = time.Time{}, false
 		return nil
 	case string:
-		n.Valid = true
 		n.Time, err = time.Parse(time.RFC3339, value)
+		n.Valid = err == nil
 	case time.Time:
 		n.Valid = true
 		n.Time = value
@@ -434,15 +572,10 @@ func (n TwtTime) Value() (driver.Value, error) {
 }
 
 func makeULID(twt types.Twt) ulid.ULID {
-	h64 := fnv.New64a()
-	h16 := fnv.New32a()
-	text := []byte(fmt.Sprintf("%+l", twt))
-	b := make([]byte, 10)
-	copy(b, h16.Sum(text)[:2])
-	copy(b[2:], h64.Sum(text))
+	text := fmt.Appendf(nil, "%s\t%+l", twt.Twter().URI, twt)
 	u := ulid.ULID{}
 	u.SetTime(ulid.Timestamp(twt.Created()))
-	u.SetEntropy(b)
+	u.SetEntropy(sha3.SumSHAKE128(text, 10))
 
 	return u
 }
@@ -479,3 +612,333 @@ func chunk(args []any, qry func(int) (string, int), maxArgs int) iter.Seq2[strin
 		}
 	}
 }
+
+func refreshLastTwt(ctx context.Context, db db) error {
+	qry := `
+	delete from last_twt_on;
+	insert into last_twt_on (feed_id, last_twt_on)
+		select distinct
+			feed_id,
+			max(strftime('%Y-%m-%dT%H:%M:%fZ', (substring(text, 1, instr(text, '	')-1)))) last_twt_on
+		from twts
+		group by feed_id;
+	delete from twt_mentions;
+	insert into twt_mentions (ulid, feed_id)
+		select distinct
+			ulid,
+			unhex(replace(trim(value,'{}'),'-','')) feed_id
+		from twts, json_each(mentions);
+	`
+	var err error
+	for _, stmt := range strings.Split(qry, ";") {
+		_, err = db.ExecContext(ctx, stmt)
+		if err != nil {
+			return err
+		}
+	}
+
+	return err
+}
+
+func fetchTwts(ctx context.Context, db db, uri string, limit int, offset int64) ([]types.Twt, int64, int64, error) {
+	ctx, span := otel.Span(ctx)
+	defer span.End()
+
+	args := make([]any, 0, 3)
+	where := `where feed_id in (select feed_id from feeds where state != 'permanantly-dead')`
+
+	if uri != "" {
+		feed_id := uuid.UrlNS.UUID5(uri)
+		where = "where feed_id = ?"
+		args = append(args, feed_id)
+	}
+
+	var end int64
+	err := db.QueryRowContext(ctx, `
+		select count(*) n from twts `+where+``, args...).Scan(&end)
+	span.RecordError(err)
+	if err != nil {
+		return nil, 0, 0, err
+	}
+
+	if offset < 1 {
+		offset += end
+	}
+
+	offset = max(1, offset)
+
+	args = append(args, limit, offset-int64(limit))
+	span.AddEvent("twts", trace.WithAttributes(
+		attribute.Int("limit", limit),
+		attribute.Int64("offset-end", offset),
+		attribute.Int64("offset-start", offset-int64(limit)),
+		attribute.Int64("max", end),
+	))
+
+	qry := `
+		SELECT
+			feed_id,
+			hash,
+			conv,
+			coalesce(nick, 'nobody') nick,
+			coalesce(uri, 'https://empty.txt') uri,
+			text
+		FROM twts
+		join (
+			select feed_id, nick, uri
+			from feeds
+		) using (feed_id)
+		where rowid in (
+			select rowid from twts
+			` + where + `
+			order by ulid asc
+			limit ?
+			offset ?
+		)
+		order by ulid asc`
+
+	fmt.Println(qry, args)
+	rows, err := db.QueryContext(
+		ctx, qry, args...,
+	)
+	if err != nil {
+		span.RecordError(err)
+		return nil, 0, 0, err
+	}
+	defer rows.Close()
+
+	var twts []types.Twt
+	for rows.Next() {
+		var o struct {
+			FeedID string
+			Hash   string
+			Conv   string
+			Dt     string
+			Nick   string
+			URI    string
+			Text   string
+		}
+		err = rows.Scan(&o.FeedID, &o.Hash, &o.Conv, &o.Nick, &o.URI, &o.Text)
+		if err != nil {
+			span.RecordError(err)
+			return nil, 0, 0, err
+		}
+		twter := types.NewTwter(o.Nick, o.URI)
+		twt, _ := lextwt.ParseLine(o.Text, &twter)
+		twts = append(twts, twt)
+	}
+
+	return twts, offset, end, err
+}
+
+func fetchUsers(ctx context.Context, db db, uri, q string) ([]types.Twt, error) {
+	ctx, span := otel.Span(ctx)
+	defer span.End()
+
+	where := `where parent_id is null and state not in ('permanantly-dead', 'frozen') and last_twt_on is not null`
+	args := make([]any, 0)
+	if uri != "" {
+		where = `where feed_id = ? or parent_id = ?`
+		feed_id := uuid.UrlNS.UUID5(uri)
+		args = append(args, feed_id, feed_id)
+	} else if q != "" {
+		where = `where nick like ?`
+		args = append(args, "%"+q+"%")
+	}
+
+	qry := `
+	SELECT
+		feed_id,
+		uri,
+		nick,
+		last_scan_on,
+		coalesce(last_twt_on, last_scan_on) last_twt_on
+	FROM feeds
+	left join last_twt_on using (feed_id)
+	` + where + `
+	order by nick, uri
+`
+	fmt.Println(qry, args)
+
+	rows, err := db.QueryContext(ctx, qry, args...)
+	if err != nil {
+		span.RecordError(err)
+		return nil, err
+	}
+	defer rows.Close()
+
+	var twts []types.Twt
+	for rows.Next() {
+		var o struct {
+			FeedID    string
+			URI       string
+			Nick      string
+			Dt        TwtTime
+			LastTwtOn TwtTime
+		}
+		err = rows.Scan(&o.FeedID, &o.URI, &o.Nick, &o.Dt, &o.LastTwtOn)
+		if err != nil {
+			span.RecordError(err)
+			return nil, err
+		}
+		twts = append(twts, lextwt.NewTwt(
+			types.NewTwter(o.Nick, o.URI),
+			lextwt.NewDateTime(o.Dt.Time, o.LastTwtOn.Time.Format(time.RFC3339)),
+			nil,
+		))
+	}
+	return twts, nil
+}
+
+func fetchMentions(ctx context.Context, db db, mention uuid.UUID, limit int, offset int64) ([]types.Twt, int64, int64, error) {
+	ctx, span := otel.Span(ctx)
+	defer span.End()
+
+	args := make([]any, 0, 3)
+	args = append(args, mention)
+
+	var end int64
+	err := db.QueryRowContext(ctx, `
+		select count(*) n from twt_mentions where feed_id = ?`, args...).Scan(&end)
+	span.RecordError(err)
+	if err != nil {
+		return nil, 0, 0, err
+	}
+
+	fmt.Println(mention.MarshalText(), end, err)
+
+	if offset < 1 {
+		offset += end
+	}
+
+	limit = min(100, max(1, limit))
+	offset = max(1, offset)
+
+	args = append(args, limit, offset-int64(limit))
+
+	qry := `
+	SELECT
+		feed_id,
+		hash,
+		conv,
+		coalesce(nick, 'nobody') nick,
+		coalesce(uri, 'https://empty.txt') uri,
+		text
+	FROM twts
+	join (
+		select feed_id, nick, uri
+		from feeds
+	) using (feed_id)
+	where rowid in (
+		select rowid from twts
+		where ulid in (select ulid from twt_mentions where feed_id = ?)
+		order by ulid asc
+		limit ?
+		offset ?
+	)
+	order by ulid asc
+`
+	fmt.Println(qry, args)
+
+	rows, err := db.QueryContext(
+		ctx, qry, args...,
+	)
+	if err != nil {
+		span.RecordError(err)
+		return nil, 0, 0, err
+	}
+	defer rows.Close()
+
+	var twts []types.Twt
+	for rows.Next() {
+		var o struct {
+			FeedID string
+			Hash   string
+			Conv   string
+			Dt     string
+			Nick   string
+			URI    string
+			Text   string
+		}
+		err = rows.Scan(&o.FeedID, &o.Hash, &o.Conv, &o.Nick, &o.URI, &o.Text)
+		if err != nil {
+			span.RecordError(err)
+			return nil, 0, 0, err
+		}
+		twter := types.NewTwter(o.Nick, o.URI)
+		// o.Text = strings.ReplaceAll(o.Text, "\n", "\u2028")
+		twt, _ := lextwt.ParseLine(o.Text, &twter)
+		twts = append(twts, twt)
+	}
+	if err := rows.Err(); err != nil {
+		fmt.Println(err)
+		return nil, 0, 0, err
+	}
+
+	return twts, offset, end, err
+}
+
+func fetchConv(ctx context.Context, db db, hash string, _ int, offset int64) ([]types.Twt, int64, int64, error) {
+	ctx, span := otel.Span(ctx)
+	defer span.End()
+
+	var end int64
+	err := db.QueryRowContext(ctx, `
+		select count(*) n from twts where hash = $1 or conv = $1`, hash).Scan(&end)
+	span.RecordError(err)
+	if err != nil {
+		return nil, 0, 0, err
+	}
+
+	rows, err := db.QueryContext(
+		ctx, `
+		SELECT
+			feed_id,
+			hash,
+			conv,
+			nick,
+			uri,
+			text
+		FROM twts
+		JOIN (
+			SELECT
+				feed_id,
+				nick,
+				uri
+			FROM feeds
+		) using (feed_id)
+		WHERE
+			hash = $1 or
+			conv = $1
+		order by ulid asc`, hash,
+	)
+	if err != nil {
+		span.RecordError(err)
+		return nil, 0, 0, err
+	}
+	defer rows.Close()
+
+	var twts []types.Twt
+	for rows.Next() {
+		var o struct {
+			FeedID string
+			Hash   string
+			Conv   string
+			Dt     string
+			Nick   string
+			URI    string
+			Text   string
+		}
+		err = rows.Scan(&o.FeedID, &o.Hash, &o.Conv, &o.Nick, &o.URI, &o.Text)
+		if err != nil {
+			span.RecordError(err)
+			return nil, 0, 0, err
+		}
+		twter := types.NewTwter(o.Nick, o.URI)
+		twt, _ := lextwt.ParseLine(o.Text, &twter)
+		twts = append(twts, twt)
+	}
+	err = rows.Err()
+
+	return twts, offset, end, err
+}

fetcher.go

@@ -74,6 +74,7 @@ func NewHTTPFetcher() *httpFetcher {
 				ForceAttemptHTTP2:     false,
 				MaxIdleConns:          100,
 				IdleConnTimeout:       10 * time.Second,
+				ResponseHeaderTimeout: 5 * time.Second,
 				TLSHandshakeTimeout:   5 * time.Second,
 				ExpectContinueTimeout: 1 * time.Second,
 			},

go.mod

@@ -1,11 +1,11 @@
 module go.sour.is/xt
 
-go 1.23.2
+go 1.24.1
 
 require (
 	github.com/mattn/go-sqlite3 v1.14.24
 	go.opentelemetry.io/otel/exporters/otlp/otlplog/otlploghttp v0.6.0
-	go.yarn.social/lextwt v0.1.5-0.20250327005027-02d9b44de4dd
+	go.yarn.social/lextwt v0.1.5-0.20250406192339-cf769bfa2521
 )
 
 require (
@@ -21,7 +21,7 @@ require (
 	go.opentelemetry.io/otel/exporters/otlp/otlptrace v1.34.0 // indirect
 	go.opentelemetry.io/proto/otlp v1.5.0 // indirect
 	golang.org/x/net v0.34.0 // indirect
-	golang.org/x/text v0.23.0 // indirect
+	golang.org/x/text v0.24.0 // indirect
 	google.golang.org/genproto/googleapis/api v0.0.0-20250115164207-1a7da9e5054f // indirect
 	google.golang.org/genproto/googleapis/rpc v0.0.0-20250115164207-1a7da9e5054f // indirect
 	google.golang.org/protobuf v1.36.5 // indirect
@@ -51,14 +51,13 @@ require (
 	go.opentelemetry.io/otel/exporters/otlp/otlptrace/otlptracegrpc v1.34.0
 	go.opentelemetry.io/otel/exporters/prometheus v0.57.0
 	go.opentelemetry.io/otel/exporters/stdout/stdoutlog v0.10.0
-	go.opentelemetry.io/otel/exporters/stdout/stdoutmetric v1.34.0
 	go.opentelemetry.io/otel/exporters/stdout/stdouttrace v1.34.0
 	go.opentelemetry.io/otel/sdk v1.35.0
 	go.opentelemetry.io/otel/sdk/log v0.10.0
 	go.opentelemetry.io/otel/sdk/metric v1.35.0
 	go.yarn.social/types v0.0.0-20250108134258-ed75fa653ede
-	golang.org/x/crypto v0.36.0 // indirect
-	golang.org/x/sync v0.12.0
-	golang.org/x/sys v0.31.0 // indirect
+	golang.org/x/crypto v0.37.0 // indirect
+	golang.org/x/sync v0.13.0
+	golang.org/x/sys v0.32.0 // indirect
 	google.golang.org/grpc v1.70.0 // indirect
 )

go.sum

@@ -14,8 +14,8 @@ github.com/go-logr/stdr v1.2.2 h1:hSWxHoqTgW2S2qGc0LTAI563KZ5YKYRhT3MFKZMbjag=
 github.com/go-logr/stdr v1.2.2/go.mod h1:mMo/vtBO5dYbehREoey6XUKy/eSumjCCveDpRre4VKE=
 github.com/golang/protobuf v1.5.4 h1:i7eJL8qZTpSEXOPTxNKhASYpMn+8e5Q6AdndVa1dWek=
 github.com/golang/protobuf v1.5.4/go.mod h1:lnTiLA8Wa4RWRcIUkrtSVa5nRhsEGBg48fD6rSs7xps=
-github.com/google/go-cmp v0.6.0 h1:ofyhxvXcZhMsU5ulbFiLKl/XBFqE1GSq7atu8tAmTRI=
-github.com/google/go-cmp v0.6.0/go.mod h1:17dUlkBOakJ0+DkrSSNjCkIjxS6bF9zb3elmeNGIjoY=
+github.com/google/go-cmp v0.7.0 h1:wk8382ETsv4JYUZwIsn6YpYiWiBsYLSJiTsyBybVuN8=
+github.com/google/go-cmp v0.7.0/go.mod h1:pXiqmnSA92OHEEa9HXL2W4E7lf9JzCmGVUdgjX3N/iU=
 github.com/google/uuid v1.6.0 h1:NIvaJDMOsjHA8n1jAhLSgzrAzy1Hgr+hNrb57e+94F0=
 github.com/google/uuid v1.6.0/go.mod h1:TIyPZe4MgqvfeYDBFedMoGGpEw/LqOeaOT+nhxU+yHo=
 github.com/grpc-ecosystem/grpc-gateway/v2 v2.25.1 h1:VNqngBF40hVlDloBruUehVYC3ArSgIyScOAyMRqBxRg=
@@ -35,8 +35,6 @@ github.com/mattn/go-sqlite3 v1.14.24 h1:tpSp2G2KyMnnQu99ngJ47EIkWVmliIizyZBfPrBW
 github.com/mattn/go-sqlite3 v1.14.24/go.mod h1:Uh1q+B4BYcTPb+yiD3kU8Ct7aC0hY9fxUwlHK0RXw+Y=
 github.com/munnerz/goautoneg v0.0.0-20191010083416-a7dc8b61c822 h1:C3w9PqII01/Oq1c1nUAm88MOHcQC9l5mIlSMApZMrHA=
 github.com/munnerz/goautoneg v0.0.0-20191010083416-a7dc8b61c822/go.mod h1:+n7T8mK8HuQTcFwEeznm/DIxMOiR9yIdICNftLE1DvQ=
-github.com/oklog/ulid v1.3.1 h1:EGfNDEx6MqHz8B3uNV6QAib1UR2Lm97sHi3ocA6ESJ4=
-github.com/oklog/ulid v1.3.1/go.mod h1:CirwcVhetQ6Lv90oh/F+FBtV6XMibvdAFo93nm5qn4U=
 github.com/oklog/ulid/v2 v2.1.0 h1:+9lhoxAP56we25tyYETBBY1YLA2SaoLvUFgrP2miPJU=
 github.com/oklog/ulid/v2 v2.1.0/go.mod h1:rcEKHmBBKfef9DhnvX7y1HZBYxjXb0cP5ExxNsTT1QQ=
 github.com/pborman/getopt v0.0.0-20170112200414-7148bc3a4c30/go.mod h1:85jBQOZwpVEaDAr341tbn15RS4fCAsIst0qp7i8ex1o=
@@ -46,8 +44,6 @@ github.com/prometheus/client_golang v1.20.5 h1:cxppBPuYhUnsO6yo/aoRol4L7q7UFfdm+
 github.com/prometheus/client_golang v1.20.5/go.mod h1:PIEt8X02hGcP8JWbeHyeZ53Y/jReSnHgO035n//V5WE=
 github.com/prometheus/client_model v0.6.1 h1:ZKSh/rekM+n3CeS952MLRAdFwIKqeY8b62p8ais2e9E=
 github.com/prometheus/client_model v0.6.1/go.mod h1:OrxVMOVHjw3lKMa8+x6HeMGkHMQyHDk9E3jmP2AmGiY=
-github.com/prometheus/common v0.55.0 h1:KEi6DK7lXW/m7Ig5i47x0vRzuBsHuvJdi5ee6Y3G1dc=
-github.com/prometheus/common v0.55.0/go.mod h1:2SECS4xJG1kd8XF9IcM1gMX6510RAEL65zxzNImwdc8=
 github.com/prometheus/common v0.62.0 h1:xasJaQlnWAeyHdUBeGjXmutelfJHWMRr+Fg4QszZ2Io=
 github.com/prometheus/common v0.62.0/go.mod h1:vyBcEuLSvWos9B1+CyL7JZ2up+uFzXhkqml0W5zIY1I=
 github.com/prometheus/procfs v0.15.1 h1:YagwOFzUgYfKKHX6Dr+sHT7km/hxC76UB0learggepc=
@@ -66,8 +62,6 @@ go.opentelemetry.io/auto/sdk v1.1.0 h1:cH53jehLUN6UFLY71z+NDOiNJqDdPRaXzTel0sJyS
 go.opentelemetry.io/auto/sdk v1.1.0/go.mod h1:3wSPjt5PWp2RhlCcmmOial7AvC4DQqZb7a7wCow3W8A=
 go.opentelemetry.io/contrib/bridges/otelslog v0.9.0 h1:N+78eXSlu09kii5nkiM+01YbtWe01oZLPPLhNlEKhus=
 go.opentelemetry.io/contrib/bridges/otelslog v0.9.0/go.mod h1:/2KhfLAhtQpgnhIk1f+dftA3fuuMcZjiz//Dc9yfaEs=
-go.opentelemetry.io/otel v1.34.0 h1:zRLXxLCgL1WyKsPVrgbSdMN4c0FMkDAskSTQP+0hdUY=
-go.opentelemetry.io/otel v1.34.0/go.mod h1:OWFPOQ+h4G8xpyjgqo4SxJYdDQ/qmRH+wivy7zzx9oI=
 go.opentelemetry.io/otel v1.35.0 h1:xKWKPxrxB6OtMCbmMY021CqC45J+3Onta9MqjhnusiQ=
 go.opentelemetry.io/otel v1.35.0/go.mod h1:UEqy8Zp11hpkUrL73gSlELM0DupHoiq72dR+Zqel/+Y=
 go.opentelemetry.io/otel/exporters/otlp/otlplog/otlploghttp v0.6.0 h1:QSKmLBzbFULSyHzOdO9JsN9lpE4zkrz1byYGmJecdVE=
@@ -80,67 +74,45 @@ go.opentelemetry.io/otel/exporters/prometheus v0.57.0 h1:AHh/lAP1BHrY5gBwk8ncc25
 go.opentelemetry.io/otel/exporters/prometheus v0.57.0/go.mod h1:QpFWz1QxqevfjwzYdbMb4Y1NnlJvqSGwyuU0B4iuc9c=
 go.opentelemetry.io/otel/exporters/stdout/stdoutlog v0.10.0 h1:GKCEAZLEpEf78cUvudQdTg0aET2ObOZRB2HtXA0qPAI=
 go.opentelemetry.io/otel/exporters/stdout/stdoutlog v0.10.0/go.mod h1:9/zqSWLCmHT/9Jo6fYeUDRRogOLL60ABLsHWS99lF8s=
-go.opentelemetry.io/otel/exporters/stdout/stdoutmetric v1.34.0 h1:czJDQwFrMbOr9Kk+BPo1y8WZIIFIK58SA1kykuVeiOU=
-go.opentelemetry.io/otel/exporters/stdout/stdoutmetric v1.34.0/go.mod h1:lT7bmsxOe58Tq+JIOkTQMCGXdu47oA+VJKLZHbaBKbs=
 go.opentelemetry.io/otel/exporters/stdout/stdouttrace v1.34.0 h1:jBpDk4HAUsrnVO1FsfCfCOTEc/MkInJmvfCHYLFiT80=
 go.opentelemetry.io/otel/exporters/stdout/stdouttrace v1.34.0/go.mod h1:H9LUIM1daaeZaz91vZcfeM0fejXPmgCYE8ZhzqfJuiU=
 go.opentelemetry.io/otel/log v0.10.0 h1:1CXmspaRITvFcjA4kyVszuG4HjA61fPDxMb7q3BuyF0=
 go.opentelemetry.io/otel/log v0.10.0/go.mod h1:PbVdm9bXKku/gL0oFfUF4wwsQsOPlpo4VEqjvxih+FM=
-go.opentelemetry.io/otel/metric v1.34.0 h1:+eTR3U0MyfWjRDhmFMxe2SsW64QrZ84AOhvqS7Y+PoQ=
-go.opentelemetry.io/otel/metric v1.34.0/go.mod h1:CEDrp0fy2D0MvkXE+dPV7cMi8tWZwX3dmaIhwPOaqHE=
 go.opentelemetry.io/otel/metric v1.35.0 h1:0znxYu2SNyuMSQT4Y9WDWej0VpcsxkuklLa4/siN90M=
 go.opentelemetry.io/otel/metric v1.35.0/go.mod h1:nKVFgxBZ2fReX6IlyW28MgZojkoAkJGaE8CpgeAU3oE=
-go.opentelemetry.io/otel/sdk v1.34.0 h1:95zS4k/2GOy069d321O8jWgYsW3MzVV+KuSPKp7Wr1A=
-go.opentelemetry.io/otel/sdk v1.34.0/go.mod h1:0e/pNiaMAqaykJGKbi+tSjWfNNHMTxoC9qANsCzbyxU=
 go.opentelemetry.io/otel/sdk v1.35.0 h1:iPctf8iprVySXSKJffSS79eOjl9pvxV9ZqOWT0QejKY=
 go.opentelemetry.io/otel/sdk v1.35.0/go.mod h1:+ga1bZliga3DxJ3CQGg3updiaAJoNECOgJREo9KHGQg=
 go.opentelemetry.io/otel/sdk/log v0.10.0 h1:lR4teQGWfeDVGoute6l0Ou+RpFqQ9vaPdrNJlST0bvw=
 go.opentelemetry.io/otel/sdk/log v0.10.0/go.mod h1:A+V1UTWREhWAittaQEG4bYm4gAZa6xnvVu+xKrIRkzo=
-go.opentelemetry.io/otel/sdk/metric v1.34.0 h1:5CeK9ujjbFVL5c1PhLuStg1wxA7vQv7ce1EK0Gyvahk=
-go.opentelemetry.io/otel/sdk/metric v1.34.0/go.mod h1:jQ/r8Ze28zRKoNRdkjCZxfs6YvBTG1+YIqyFVFYec5w=
 go.opentelemetry.io/otel/sdk/metric v1.35.0 h1:1RriWBmCKgkeHEhM7a2uMjMUfP7MsOF5JpUCaEqEI9o=
 go.opentelemetry.io/otel/sdk/metric v1.35.0/go.mod h1:is6XYCUMpcKi+ZsOvfluY5YstFnhW0BidkR+gL+qN+w=
-go.opentelemetry.io/otel/trace v1.34.0 h1:+ouXS2V8Rd4hp4580a8q23bg0azF2nI8cqLYnC8mh/k=
-go.opentelemetry.io/otel/trace v1.34.0/go.mod h1:Svm7lSjQD7kG7KJ/MUHPVXSDGz2OX4h0M2jHBhmSfRE=
 go.opentelemetry.io/otel/trace v1.35.0 h1:dPpEfJu1sDIqruz7BHFG3c7528f6ddfSWfFDVt/xgMs=
 go.opentelemetry.io/otel/trace v1.35.0/go.mod h1:WUk7DtFp1Aw2MkvqGdwiXYDZZNvA/1J8o6xRXLrIkyc=
 go.opentelemetry.io/proto/otlp v1.5.0 h1:xJvq7gMzB31/d406fB8U5CBdyQGw4P399D1aQWU/3i4=
 go.opentelemetry.io/proto/otlp v1.5.0/go.mod h1:keN8WnHxOy8PG0rQZjJJ5A2ebUoafqWp0eVQ4yIXvJ4=
 go.uber.org/goleak v1.3.0 h1:2K3zAYmnTNqV73imy9J1T3WC+gmCePx2hEGkimedGto=
 go.uber.org/goleak v1.3.0/go.mod h1:CoHD4mav9JJNrW/WLlf7HGZPjdw8EucARQHekz1X6bE=
-go.yarn.social/lextwt v0.0.0-20250213063805-7adc6ca07564 h1:z+IAMtxNKWcLNm9nLzJwHw6OPkV5JoQYmmFohaUvcKI=
-go.yarn.social/lextwt v0.0.0-20250213063805-7adc6ca07564/go.mod h1:JOPCOh+3bHv+BMaFZpKzw6soiXbIlZD5b2f7YKDDjqk=
-go.yarn.social/lextwt v0.1.5-0.20250327005027-02d9b44de4dd h1:Np3zWtQ0GB9WhRFCPblaItLVtdy8Y35QKL+PUvRR/t8=
-go.yarn.social/lextwt v0.1.5-0.20250327005027-02d9b44de4dd/go.mod h1:P36NPegLbhbFa1A0JOLsDyIQcdM0zdmx8kPKACXry4A=
+go.yarn.social/lextwt v0.1.5-0.20250406192339-cf769bfa2521 h1:mqjKr+llWXgYtAWNsRx1+S45bhr6AgI0eLFhMhSYds4=
+go.yarn.social/lextwt v0.1.5-0.20250406192339-cf769bfa2521/go.mod h1:P36NPegLbhbFa1A0JOLsDyIQcdM0zdmx8kPKACXry4A=
 go.yarn.social/types v0.0.0-20250108134258-ed75fa653ede h1:XV9tuDQ605xxH4qIQPRHM1bOa7k0rJZ2RqA5kz2Nun4=
 go.yarn.social/types v0.0.0-20250108134258-ed75fa653ede/go.mod h1:+xnDkQ0T0S8emxWIsvxlCAoyF8gBaj0q81hr/VrKc0c=
-golang.org/x/crypto v0.33.0 h1:IOBPskki6Lysi0lo9qQvbxiQ+FvsCC/YWOecCHAixus=
-golang.org/x/crypto v0.33.0/go.mod h1:bVdXmD7IV/4GdElGPozy6U7lWdRXA4qyRVGJV57uQ5M=
-golang.org/x/crypto v0.36.0 h1:AnAEvhDddvBdpY+uR+MyHmuZzzNqXSe/GvuDeob5L34=
-golang.org/x/crypto v0.36.0/go.mod h1:Y4J0ReaxCR1IMaabaSMugxJES1EpwhBHhv2bDHklZvc=
+golang.org/x/crypto v0.37.0 h1:kJNSjF/Xp7kU0iB2Z+9viTPMW4EqqsrywMXLJOOsXSE=
+golang.org/x/crypto v0.37.0/go.mod h1:vg+k43peMZ0pUMhYmVAWysMK35e6ioLh3wB8ZCAfbVc=
 golang.org/x/net v0.34.0 h1:Mb7Mrk043xzHgnRM88suvJFwzVrRfHEHJEl5/71CKw0=
 golang.org/x/net v0.34.0/go.mod h1:di0qlW3YNM5oh6GqDGQr92MyTozJPmybPK4Ev/Gm31k=
-golang.org/x/sync v0.11.0 h1:GGz8+XQP4FvTTrjZPzNKTMFtSXH80RAzG+5ghFPgK9w=
-golang.org/x/sync v0.11.0/go.mod h1:Czt+wKu1gCyEFDUtn0jG5QVvpJ6rzVqr5aXyt9drQfk=
-golang.org/x/sync v0.12.0 h1:MHc5BpPuC30uJk597Ri8TV3CNZcTLu6B6z4lJy+g6Jw=
-golang.org/x/sync v0.12.0/go.mod h1:1dzgHSNfp02xaA81J2MS99Qcpr2w7fw1gpm99rleRqA=
+golang.org/x/sync v0.13.0 h1:AauUjRAJ9OSnvULf/ARrrVywoJDy0YS2AwQ98I37610=
+golang.org/x/sync v0.13.0/go.mod h1:1dzgHSNfp02xaA81J2MS99Qcpr2w7fw1gpm99rleRqA=
 golang.org/x/sys v0.0.0-20220715151400-c0bba94af5f8/go.mod h1:oPkhp1MJrh7nUepCBck5+mAzfO9JrbApNNgaTdGDITg=
-golang.org/x/sys v0.30.0 h1:QjkSwP/36a20jFYWkSue1YwXzLmsV5Gfq7Eiy72C1uc=
-golang.org/x/sys v0.30.0/go.mod h1:/VUhepiaJMQUp4+oa/7Zr1D23ma6VTLIYjOOTFZPUcA=
-golang.org/x/sys v0.31.0 h1:ioabZlmFYtWhL+TRYpcnNlLwhyxaM9kWTDEmfnprqik=
-golang.org/x/sys v0.31.0/go.mod h1:BJP2sWEmIv4KK5OTEluFJCKSidICx8ciO85XgH3Ak8k=
-golang.org/x/text v0.22.0 h1:bofq7m3/HAFvbF51jz3Q9wLg3jkvSPuiZu/pD1XwgtM=
-golang.org/x/text v0.22.0/go.mod h1:YRoo4H8PVmsu+E3Ou7cqLVH8oXWIHVoX0jqUWALQhfY=
-golang.org/x/text v0.23.0 h1:D71I7dUrlY+VX0gQShAThNGHFxZ13dGLBHQLVl1mJlY=
-golang.org/x/text v0.23.0/go.mod h1:/BLNzu4aZCJ1+kcD0DNRotWKage4q2rGVAg4o22unh4=
+golang.org/x/sys v0.32.0 h1:s77OFDvIQeibCmezSnk/q6iAfkdiQaJi4VzroCFrN20=
+golang.org/x/sys v0.32.0/go.mod h1:BJP2sWEmIv4KK5OTEluFJCKSidICx8ciO85XgH3Ak8k=
+golang.org/x/text v0.24.0 h1:dd5Bzh4yt5KYA8f9CJHCP4FB4D51c2c6JvN37xJJkJ0=
+golang.org/x/text v0.24.0/go.mod h1:L8rBsPeo2pSS+xqN0d5u2ikmjtmoJbDBT1b7nHvFCdU=
 google.golang.org/genproto/googleapis/api v0.0.0-20250115164207-1a7da9e5054f h1:gap6+3Gk41EItBuyi4XX/bp4oqJ3UwuIMl25yGinuAA=
 google.golang.org/genproto/googleapis/api v0.0.0-20250115164207-1a7da9e5054f/go.mod h1:Ic02D47M+zbarjYYUlK57y316f2MoN0gjAwI3f2S95o=
 google.golang.org/genproto/googleapis/rpc v0.0.0-20250115164207-1a7da9e5054f h1:OxYkA3wjPsZyBylwymxSHa7ViiW1Sml4ToBrncvFehI=
 google.golang.org/genproto/googleapis/rpc v0.0.0-20250115164207-1a7da9e5054f/go.mod h1:+2Yz8+CLJbIfL9z73EW45avw8Lmge3xVElCP9zEKi50=
 google.golang.org/grpc v1.70.0 h1:pWFv03aZoHzlRKHWicjsZytKAiYCtNS0dHbXnIdq7jQ=
 google.golang.org/grpc v1.70.0/go.mod h1:ofIJqVKDXx/JiXrwr2IG4/zwdH9txy3IlF40RmcJSQw=
-google.golang.org/protobuf v1.36.3 h1:82DV7MYdb8anAVi3qge1wSnMDrnKK7ebr+I0hHRN1BU=
-google.golang.org/protobuf v1.36.3/go.mod h1:9fA7Ob0pmnwhb644+1+CVWFRbNajQ6iRojtC/QF5bRE=
 google.golang.org/protobuf v1.36.5 h1:tPhr+woSbjfYvY6/GPufUoYizxw1cF/yFoxJ2fmpwlM=
 google.golang.org/protobuf v1.36.5/go.mod h1:9fA7Ob0pmnwhb644+1+CVWFRbNajQ6iRojtC/QF5bRE=
 gopkg.in/check.v1 v0.0.0-20161208181325-20d25e280405/go.mod h1:Co6ibVJAznAaIkqp8huTwlJQCZ016jof/cbN4VW5Yz0=

http-api.go

@@ -0,0 +1,231 @@
+package main
+
+import (
+	"fmt"
+	"net/http"
+	"slices"
+	"sort"
+	"strconv"
+	"strings"
+	"time"
+
+	"go.sour.is/xt/internal/otel"
+	"go.sour.is/xt/internal/uuid"
+	"go.yarn.social/lextwt"
+)
+
+type API struct {
+	app      *appState
+	db       db
+	hostname string
+}
+
+func (a *API) plain(w http.ResponseWriter, r *http.Request) {
+	reg := lextwt.NewTwtRegistry(mkPreambleDocs(a.hostname), nil)
+	reg.WriteTo(w)
+}
+
+func (a *API) conv(w http.ResponseWriter, r *http.Request) {
+	ctx, span := otel.Span(r.Context())
+	defer span.End()
+
+	w.Header().Set("Content-Type", "text/plain; charset=utf-8")
+
+	hash := r.PathValue("hash")
+	// if (len(hash) < 6 || len(hash) > 8) && !notAny(hash, "abcdefghijklmnopqrstuvwxyz234567") {
+	// 	w.WriteHeader(http.StatusBadRequest)
+	// 	return
+	// }
+
+	limit := 100
+	if v, ok := strconv.Atoi(r.URL.Query().Get("limit")); ok == nil {
+		limit = v
+	}
+
+	var offset int64 = 0
+	if v, ok := strconv.ParseInt(r.URL.Query().Get("offset"), 10, 64); ok == nil {
+		offset = v
+	}
+
+	twts, offset, end, err := fetchConv(ctx, a.db, hash, limit, offset)
+	span.RecordError(err)
+	if err != nil {
+		http.Error(w, "ERR", 500)
+		return
+	}
+
+	preamble := mkPreamble(a.hostname, "", "/api/plain/conv/"+hash, limit, int64(len(twts)), offset, end)
+	reg := lextwt.NewTwtRegistry(preamble, twts)
+	reg.WriteTo(w)
+}
+
+func (a *API) mentions(w http.ResponseWriter, r *http.Request) {
+	ctx, span := otel.Span(r.Context())
+	defer span.End()
+
+	w.Header().Set("Content-Type", "text/plain; charset=utf-8")
+
+	uri := r.URL.Query().Get("uri")
+	if uri == "" {
+		reg := lextwt.NewTwtRegistry(mkPreambleDocs(a.hostname), nil)
+		reg.WriteTo(w)
+
+		return
+	}
+	mention := uuid.UrlNS.UUID5(uri)
+
+	limit := 100
+	if v, ok := strconv.Atoi(r.URL.Query().Get("limit")); ok == nil {
+		limit = v
+	}
+
+	var offset int64 = 0
+	if v, ok := strconv.ParseInt(r.URL.Query().Get("offset"), 10, 64); ok == nil {
+		offset = v
+	}
+
+	twts, offset, end, err := fetchMentions(ctx, a.db, mention, limit, offset)
+	span.RecordError(err)
+	if err != nil {
+		http.Error(w, "ERR", 500)
+		return
+	}
+
+	preamble := mkPreamble(a.hostname, uri, "/api/plain/mentions", limit, int64(len(twts)), offset, end)
+	reg := lextwt.NewTwtRegistry(preamble, twts)
+	reg.WriteTo(w)
+}
+
+func (a *API) twt(w http.ResponseWriter, r *http.Request) {
+	ctx, span := otel.Span(r.Context())
+	defer span.End()
+
+	w.Header().Set("Content-Type", "text/plain; charset=utf-8")
+
+	uri := r.URL.Query().Get("uri")
+
+	limit := 100
+	if v, ok := strconv.Atoi(r.URL.Query().Get("limit")); ok == nil {
+		limit = v
+	}
+	limit = min(100, max(1, limit))
+
+	var offset int64 = 0
+	if v, ok := strconv.ParseInt(r.URL.Query().Get("offset"), 10, 64); ok == nil {
+		offset = v
+	}
+
+	twts, offset, end, err := fetchTwts(ctx, a.db, uri, limit, offset)
+	span.RecordError(err)
+	if err != nil {
+		http.Error(w, "ERR", 500)
+		return
+	}
+
+	preamble := mkPreamble(a.hostname, uri, "/api/plain/twt", limit, int64(len(twts)), offset, end)
+
+	reg := lextwt.NewTwtRegistry(preamble, twts)
+	reg.WriteTo(w)
+}
+
+func (a *API) users(w http.ResponseWriter, r *http.Request) {
+	ctx, span := otel.Span(r.Context())
+	defer span.End()
+
+	w.Header().Set("Content-Type", "text/plain; charset=utf-8")
+
+	uri := r.URL.Query().Get("uri")
+	q := r.URL.Query().Get("q")
+
+	twts, err := fetchUsers(ctx, a.db, uri, q)
+	if err != nil {
+		http.Error(w, "ERR", 500)
+		return
+	}
+
+	reg := lextwt.NewTwtRegistry(mkPreambleDocs(a.hostname), twts)
+	reg.WriteTo(w)
+}
+
+func (a *API) queue(w http.ResponseWriter, r *http.Request) {
+	lis := slices.Collect(a.app.queue.Iter())
+	sort.Slice(lis, func(i, j int) bool {
+		return lis[i].NextScanOn.Time.Before(lis[j].LastScanOn.Time)
+	})
+	for _, feed := range lis {
+		fmt.Fprintln(w, feed.State, feed.NextScanOn.Time.Format(time.RFC3339), feed.Nick, feed.URI)
+	}
+}
+
+func notAny(s string, chars string) bool {
+	for _, c := range s {
+		if !strings.ContainsRune(chars, c) {
+			return false
+		}
+	}
+	return true
+}
+
+func mkqry(uri string, limit int, offset int64) string {
+	qry := make([]string, 0, 3)
+
+	if uri != "" {
+		qry = append(qry, "uri="+uri)
+	}
+
+	if limit != 100 {
+		qry = append(qry, fmt.Sprint("limit=", limit))
+	}
+
+	if offset != 0 {
+		qry = append(qry, fmt.Sprint("offset=", offset))
+	}
+
+	if len(qry) == 0 {
+		return ""
+	}
+
+	return "?" + strings.Join(qry, "&")
+}
+
+func add(preamble lextwt.Comments, text string, v ...any) lextwt.Comments {
+	if len(v) > 0 {
+		text = fmt.Sprintf(text, v...)
+	}
+	return append(preamble, lextwt.NewComment("# "+text))
+}
+func addKey(preamble lextwt.Comments, key, value string, v ...any) lextwt.Comments {
+	if len(v) > 0 {
+		value = fmt.Sprintf(value, v...)
+	}
+	comment := fmt.Sprintf("# %s = %s", key, value)
+	return append(preamble, lextwt.NewCommentValue(comment, key, value))
+}
+
+func mkPreamble(hostname, uri, path string, limit int, length, offset, end int64) lextwt.Comments {
+	preamble := addKey(mkPreambleDocs(hostname), "twt range", "1 %d", end)
+	preamble = addKey(preamble, "self", "%s%s%s", hostname, path, mkqry(uri, limit, offset))
+	if next := offset + length; next < end {
+		preamble = addKey(preamble, "next", "%s%s%s", hostname, path, mkqry(uri, limit, next))
+	}
+	if prev := offset - int64(limit); prev > 0 {
+		preamble = addKey(preamble, "prev", "%s%s%s", hostname, path, mkqry(uri, limit, prev))
+	}
+	return preamble
+}
+
+var mkPreambleDocs = func(hostname string) lextwt.Comments {
+	c := add(nil, iAmTheWatcher)
+	c = add(c, "")
+	c = add(c, "Usage:")
+	c = add(c, "    %s/api/plain/users              View list of users and latest twt date.", hostname)
+	c = add(c, "    %s/api/plain/twt                View all twts.", hostname)
+	c = add(c, "    %s/api/plain/mentions?uri=:uri  View all mentions for uri.", hostname)
+	c = add(c, "    %s/api/plain/conv/:hash         View all twts for a conversation subject.", hostname)
+	c = add(c, "")
+	c = add(c, "Options:")
+	c = add(c, "    uri     Filter to show a specific users twts.")
+	c = add(c, "    offset  Start index for quey.")
+	c = add(c, "    limit   Count of items to return (going back in time).")
+	return add(c, "")
+}

http-html.go

@@ -0,0 +1,266 @@
+package main
+
+import (
+	"fmt"
+	"io"
+	"net/http"
+	"net/url"
+	"strconv"
+	"strings"
+	"time"
+
+	"go.sour.is/xt/internal/otel"
+	"go.yarn.social/lextwt"
+	"go.yarn.social/types"
+)
+
+type HTML struct {
+	app      *appState
+	db       db
+	hostname string
+}
+
+func (a *HTML) healthcheck(w http.ResponseWriter, r *http.Request) {
+	_, span := otel.Span(r.Context())
+	defer span.End()
+
+	w.Header().Set("Content-Type", "text/plain; charset=utf-8")
+	w.Write([]byte("ok"))
+}
+
+func (a *HTML) home(w http.ResponseWriter, r *http.Request) {
+	ctx, span := otel.Span(r.Context())
+	defer span.End()
+
+	w.Header().Set("Content-Type", "text/html; charset=utf-8")
+
+	uri := r.URL.Query().Get("uri")
+
+	limit := 100
+	if v, ok := strconv.Atoi(r.URL.Query().Get("limit")); ok == nil {
+		limit = v
+	}
+	limit = min(100, max(1, limit))
+
+	var offset int64 = 0
+	if v, ok := strconv.ParseInt(r.URL.Query().Get("offset"), 10, 64); ok == nil {
+		offset = v
+	}
+
+	twts, offset, end, err := fetchTwts(ctx, a.db, uri, limit, offset)
+	span.RecordError(err)
+	if err != nil {
+		http.Error(w, "ERR", 500)
+		return
+	}
+
+	preamble := mkPreamble(a.hostname, uri, "", limit, int64(len(twts)), offset, end)
+
+	reg := &HTWriter{
+		lextwt.NewTwtRegistry(preamble, reverse(twts)),
+	}
+
+	reg.WriteTo(w)
+}
+
+func (a *HTML) conv(w http.ResponseWriter, r *http.Request) {
+	ctx, span := otel.Span(r.Context())
+	defer span.End()
+
+	w.Header().Set("Content-Type", "text/html; charset=utf-8")
+
+	hash := r.PathValue("hash")
+	// if (len(hash) < 6 || len(hash) > 8) && !notAny(hash, "abcdefghijklmnopqrstuvwxyz234567") {
+	// 	w.WriteHeader(http.StatusBadRequest)
+	// 	return
+	// }
+
+	limit := 100
+	if v, ok := strconv.Atoi(r.URL.Query().Get("limit")); ok == nil {
+		limit = v
+	}
+
+	var offset int64 = 0
+	if v, ok := strconv.ParseInt(r.URL.Query().Get("offset"), 10, 64); ok == nil {
+		offset = v
+	}
+
+	twts, offset, end, err := fetchConv(ctx, a.db, hash, limit, offset)
+	span.RecordError(err)
+	if err != nil {
+		http.Error(w, "ERR", 500)
+		return
+	}
+
+	preamble := mkPreamble(a.hostname, "", "/conv/"+hash, limit, int64(len(twts)), offset, end)
+
+	reg := &HTWriter{
+		lextwt.NewTwtRegistry(preamble, twts),
+	}
+
+	reg.WriteTo(w)
+}
+
+type reg interface {
+	Preamble() lextwt.Comments
+	Twts() types.Twts
+}
+
+type HTWriter struct {
+	reg
+}
+
+func (r *HTWriter) WriteTo(w io.Writer) (int64, error) {
+	var output int64
+	i, err := fmt.Fprintln(w, `<!DOCTYPE html>
+	<html>
+		<head>
+			<title>The Watcher</title>
+			<style>
+				@media screen and (max-width: 500px) {
+					body { width: 100%; margin: 0; }
+				}
+				@media screen and (min-width: 500px) and (max-width: 940px) {
+					body { width: 90%; margin: auto; }
+					.h-card { columns: 2; }
+				}
+				@media screen and (min-width: 940px) {
+					body { width: 70%; margin: auto; }
+					.h-card { columns: 2; }
+				}
+
+				body { font-family: sans-serif; background: black; color: white; }
+				a { color: cornflowerblue; text-decoration: none; }
+				main { }
+				pre { white-space: pre-wrap; }
+				pre.preamble { color: green; }
+				article { background-color: #333; border: 1px solid green; border-radius: 4px; padding: 4px; margin: 2px; }
+				article pre { color: orange; }
+				.h-card .author { display: flex; }
+				.h-card .icon { width: 36px; margin: 4px; }
+				.h-card .u-photo { width: 32px; }
+				.p-org a { color: darkgrey; }
+				.h-card .date { text-align: right;}
+				video { width: 100%; }
+				section { padding: 1em; border: 1px solid darkgreen; background-color: #111;  }
+				section img { max-width: 100%; }
+			</style>
+			<meta name="viewport" content="width=device-width, initial-scale=1">
+		</head>
+	<body onload="setTimestamps()">
+	<pre class='preamble'>
+	`)
+	output += int64(i)
+	if err != nil {
+		return output, err
+	}
+
+	for _, c := range r.Preamble() {
+		if key := c.Key(); key != "" {
+			value := mkValue(c.Value())
+			i, err = fmt.Fprintf(w, "# %s = %s\n", key, value)
+		} else {
+			i, err = fmt.Fprintln(w, c.Text())
+		}
+
+		output += int64(i)
+		if err != nil {
+			return output, err
+		}
+	}
+
+	i, err = fmt.Fprintln(w, "</pre><main>")
+	output += int64(i)
+
+	for _, twt := range r.Twts() {
+		twter := twt.Twter()
+		uri, err := url.Parse(twter.URI)
+		if err != nil {
+			uri = &url.URL{
+				Scheme: "HTTPS",
+				Host:   "unknown.txt",
+			}
+		}
+		subject := ""
+		if s := twt.Subject(); s != nil {
+			if tag, ok := s.Tag().(*lextwt.Tag); ok && tag != nil {
+				subject = tag.Text()
+			}
+		}
+		i, err = fmt.Fprintf(w, `
+			<article>
+				<header class="u-author h-card">
+					<div class="author">
+						<div class="icon">
+							<a href="%s" class="u-url">
+								<img class="avatar u-photo" src="%s" alt="" loading="lazy">
+							</a>
+						</div>			  
+
+						<div class="author-name">
+							<div class="p-name">				
+								<a href="%s">%s</a>
+							</div>
+
+							<div class="p-org">
+								<a target="_blank" href="%s">%s</a>
+							</div>
+						</div>
+					</div>
+					
+					<div class="date">
+						<div><a class="u-url" href="%s">%s</a></div>
+						<div><small><a href="%s"> View Thread</a></small></div>
+					</div>	
+				</header>	
+				<section>
+					%-h
+				</section>
+			  </div>		  
+			</article>
+		`, "/?uri="+twter.URI, twter.Avatar,
+			"/?uri="+twter.URI, twter.Nick,
+			twter.URI, uri.Host,
+			"/conv/"+subject, fmt.Sprintf("<time datetime='%s'>%s</time>", twt.Created().Format(time.RFC3339), twt.Created().Format(time.RFC822)),
+			"/conv/"+subject,
+			twt,
+		)
+		output += int64(i)
+		if err != nil {
+			return output, err
+		}
+
+	}
+
+	i, err = fmt.Fprintln(w, `</main>
+	<script>
+		function setTimestamps() {
+			document.querySelectorAll("time").forEach((e) => {
+				const OneDay = new Date(new Date().getTime() - (1 * 24 * 60 * 60 * 1000))
+				const d = new Date(e.hasAttributes() && e.attributes.getNamedItem('datetime'). value);
+				if (d > OneDay)
+					e.innerHTML = d.toLocaleTimeString(navigator.language, { hour: '2-digit', minute: '2-digit' });
+				else
+					e.innerHTML = d.toLocaleDateString(navigator.language, { hour: '2-digit', minute: '2-digit' });
+			});
+		}
+	</script>
+	</body>`)
+	output += int64(i)
+
+	return output, err
+}
+
+func mkValue(v string) string {
+	if strings.HasPrefix(v, "http") {
+		return fmt.Sprintf(`<a href="%s">%s</a>`, v, v)
+	}
+	return v
+}
+
+func reverse[T any](s []T) []T {
+	for i, j := 0, len(s)-1; i < j; i, j = i+1, j-1 {
+		s[i], s[j] = s[j], s[i]
+	}
+	return s
+}

http.go

@@ -1,23 +1,18 @@
 package main
 
 import (
+	"context"
 	"errors"
 	"fmt"
 	"net/http"
-	"slices"
-	"sort"
-	"strconv"
-	"strings"
-	"time"
-
-	"go.yarn.social/lextwt"
-	"go.yarn.social/types"
 
 	"go.sour.is/xt/internal/otel"
 )
 
-func httpServer(c *console, app *appState) error {
-	ctx, span := otel.Span(c)
+const iAmTheWatcher = "I am the Watcher. I am your guide through this vast new twtiverse."
+
+func httpServer(ctx context.Context, app *appState) error {
+	ctx, span := otel.Span(ctx)
 	defer span.End()
 
 	span.AddEvent("start http server")
@@ -28,247 +23,37 @@ func httpServer(c *console, app *appState) error {
 		return err
 	}
 
-	http.HandleFunc("/", func(w http.ResponseWriter, r *http.Request) {
-		_, span := otel.Span(r.Context())
-		defer span.End()
+	api := API{
+		app:      app,
+		db:       db,
+		hostname: app.args.Hostname,
+	}
 
-		w.Header().Set("Content-Type", "text/plain; charset=utf-8")
-		w.Write([]byte("ok"))
-	})
+	html := HTML{
+		app:      app,
+		db:       db,
+		hostname: app.args.Hostname,
+	}
 
-	http.HandleFunc("/api/plain/conv/{hash}", func(w http.ResponseWriter, r *http.Request) {
-		ctx, span := otel.Span(r.Context())
-		defer span.End()
+	http.HandleFunc("/health", html.healthcheck)
 
-		hash := r.PathValue("hash")
-		if (len(hash) < 6 || len(hash) > 8) && !notAny(hash, "abcdefghijklmnopqrstuvwxyz234567") {
-			w.WriteHeader(http.StatusBadRequest)
-			return
-		}
+	http.HandleFunc("/", html.home)
+	http.HandleFunc("/conv/{hash}", html.conv)
 
-		w.Header().Set("Content-Type", "text/plain; charset=utf-8")
-
-		rows, err := db.QueryContext(
-			ctx,
-			`SELECT 
-						feed_id, 
-						hash, 
-						conv, 
-						nick,
-						uri,
-						text
-					FROM twts 
-					JOIN (
-						SELECT
-							feed_id,
-							nick,
-							uri
-						FROM feeds
-					) using (feed_id)
-					WHERE
-						hash = $1 or 
-						conv = $1
-					order by ulid asc`,
-			hash,
-		)
-		if err != nil {
-			span.RecordError(err)
-			return
-		}
-		defer rows.Close()
-
-		var twts []types.Twt
-		for rows.Next() {
-			var o struct {
-				FeedID string
-				Hash   string
-				Conv   string
-				Dt     string
-				Nick   string
-				URI    string
-				Text   string
-			}
-			err = rows.Scan(&o.FeedID, &o.Hash, &o.Conv, &o.Nick, &o.URI, &o.Text)
-			if err != nil {
-				span.RecordError(err)
-				return
-			}
-			twter := types.NewTwter(o.Nick, o.URI)
-			o.Text = strings.ReplaceAll(o.Text, "\n", "\u2028")
-			twt, _ := lextwt.ParseLine(o.Text, &twter)
-			twts = append(twts, twt)
-		}
-		var preamble lextwt.Comments
-		preamble = append(preamble, lextwt.NewComment("# self = /conv/"+hash))
-
-		reg := lextwt.NewTwtRegistry(preamble, twts)
-		reg.WriteTo(w)
-	})
-
-	http.HandleFunc("/api/plain/twt", func(w http.ResponseWriter, r *http.Request) {
-		ctx, span := otel.Span(r.Context())
-		defer span.End()
-
-		args := make([]any, 0, 3)
-		uriarg := ""
-		uri := r.URL.Query().Get("uri")
-		if uri != "" {
-			feed_id := urlNS.UUID5(uri)
-			uriarg = "and feed_id = ?"
-			args = append(args, feed_id)
-		}
-
-		limit := 100
-		if v, ok := strconv.Atoi(r.URL.Query().Get("limit")); ok == nil {
-			limit = v
-		}
-
-		offset := 0
-		if v, ok := strconv.Atoi(r.URL.Query().Get("offset")); ok == nil {
-			offset = v
-		}
-
-		w.Header().Set("Content-Type", "text/plain; charset=utf-8")
-		rows, err := db.QueryContext(
-			ctx,
-			`SELECT
-						feed_id,
-						hash,
-						conv,
-						nick,
-						uri,
-						text
-					FROM twts
-					JOIN (
-						SELECT
-							feed_id,
-							nick,
-							uri
-						FROM feeds
-						where state not in ('frozen', 'permanantly-dead')
-						`+uriarg+`
-					) using (feed_id)
-					order by ulid desc
-					limit ?
-					offset ?
-					`, args...,
-		)
-		if err != nil {
-			span.RecordError(err)
-			return
-		}
-		defer rows.Close()
-
-		var twts []types.Twt
-		for rows.Next() {
-			var o struct {
-				FeedID string
-				Hash   string
-				Conv   string
-				Dt     string
-				Nick   string
-				URI    string
-				Text   string
-			}
-			err = rows.Scan(&o.FeedID, &o.Hash, &o.Conv, &o.Nick, &o.URI, &o.Text)
-			if err != nil {
-				span.RecordError(err)
-				return
-			}
-			twter := types.NewTwter(o.Nick, o.URI)
-			o.Text = strings.ReplaceAll(o.Text, "\n", "\u2028")
-			twt, _ := lextwt.ParseLine(o.Text, &twter)
-			twts = append(twts, twt)
-		}
-		var preamble lextwt.Comments
-		preamble = append(preamble, lextwt.NewComment("# I am the Watcher. I am your guide through this vast new twtiverse."))
-		preamble = append(preamble, lextwt.NewComment("# self = /api/plain/twts"+mkqry(uri, limit, offset)))
-		preamble = append(preamble, lextwt.NewComment("# next = /api/plain/twts"+mkqry(uri, limit, offset+len(twts))))
-		if offset > 0 {
-			preamble = append(preamble, lextwt.NewComment("# prev = /api/plain/twts"+mkqry(uri, limit, offset-limit)))
-		}
-
-		reg := lextwt.NewTwtRegistry(preamble, twts)
-		reg.WriteTo(w)
-	})
-
-	http.HandleFunc("/api/plain/users", func(w http.ResponseWriter, r *http.Request) {
-		ctx, span := otel.Span(r.Context())
-		defer span.End()
-
-		w.Header().Set("Content-Type", "text/plain; charset=utf-8")
-
-		where := `where parent_id is null and state not in ('permanantly-dead', 'frozen') and last_twt_on is not null`
-		args := make([]any, 0)
-		if uri := r.URL.Query().Get("uri"); uri != "" {
-			where = `where feed_id = ? or parent_id = ?`
-			feed_id := urlNS.UUID5(uri)
-			args = append(args, feed_id, feed_id)
-		}
-
-		rows, err := db.QueryContext(
-			ctx,
-			`SELECT
-					feed_id,
-					uri,
-					nick,
-					last_scan_on,
-					last_twt_on
-				FROM feeds
-				left join (
-					select feed_id, max(strftime('%Y-%m-%dT%H:%M:%fZ', (substring(text, 1, instr(text, '	')-1)))) last_twt_on
-							from twts group by feed_id
-				) using (feed_id)
-				`+where+`
-				order by nick, uri
-            `,args...,
-		)
-		if err != nil {
-			span.RecordError(err)
-			return
-		}
-		defer rows.Close()
-
-		var twts []types.Twt
-		for rows.Next() {
-			var o struct {
-				FeedID    string
-				URI       string
-				Nick      string
-				Dt        TwtTime
-				LastTwtOn TwtTime
-			}
-			err = rows.Scan(&o.FeedID, &o.URI, &o.Nick, &o.Dt, &o.LastTwtOn)
-			if err != nil {
-				span.RecordError(err)
-				return
-			}
-			twts = append(twts, lextwt.NewTwt(
-				types.NewTwter(o.Nick, o.URI),
-				lextwt.NewDateTime(o.Dt.Time, o.LastTwtOn.Time.Format(time.RFC3339)),
-				nil,
-			))
-		}
-		reg := lextwt.NewTwtRegistry(nil, twts)
-		reg.WriteTo(w)
-	})
-
-	http.HandleFunc("/api/plain/queue", func(w http.ResponseWriter, r *http.Request) {
-		lis := slices.Collect(app.queue.Iter())
-		sort.Slice(lis, func(i, j int) bool {
-			return lis[i].NextScanOn.Time.Before(lis[j].LastScanOn.Time)
-		})
-		for _, feed := range lis {
-			fmt.Fprintln(w, feed.State, feed.NextScanOn.Time.Format(time.RFC3339), feed.Nick, feed.URI)
-		}
-	})
+	http.HandleFunc("/api/plain", api.plain)
+	http.HandleFunc("/api/plain/conv/{hash}", api.conv)
+	http.HandleFunc("/api/plain/mentions", api.mentions)
+	http.HandleFunc("/api/plain/twt", api.twt)
+	http.HandleFunc("/api/plain/tweets", api.twt)
+	http.HandleFunc("/api/plain/users", api.users)
+	http.HandleFunc("/api/plain/queue", api.queue)
 
 	srv := &http.Server{
 		Addr:    app.args.Listen,
 		Handler: http.DefaultServeMux,
 	}
 
-	c.AddCancel(srv.Shutdown)
+	app.AddCancel(srv.Shutdown)
 	err = srv.ListenAndServe()
 	if !errors.Is(err, http.ErrServerClosed) {
 		span.RecordError(err)
@@ -277,37 +62,3 @@ func httpServer(c *console, app *appState) error {
 
 	return nil
 }
-
-func notAny(s string, chars string) bool {
-	for _, c := range s {
-		if !strings.ContainsRune(chars, c) {
-			return false
-		}
-	}
-	return true
-}
-
-
-func mkqry(uri string, limit, offset int) string {
-	qry := make([]string, 0, 3)
-
-	if uri != "" {
-		qry = append(qry, "uri=" + uri)
-	}
-
-	limit = min(100, max(1, limit))
-	if limit != 100 {
-		qry = append(qry, fmt.Sprint("limit=", limit))
-	}
-
-	offset = max(0, offset)
-	if offset != 0 {
-		qry = append(qry, fmt.Sprint("offset=", offset))
-	}
-
-	if len(qry) == 0 {
-		return ""
-	}
-
-	return "?" + strings.Join(qry, "&")
-}

init.sql

@@ -24,3 +24,18 @@ create table if not exists twts (
     primary key (feed_id, ulid)
 );
 
+create table if not exists last_twt_on(
+	feed_id blob,
+	last_twt_on,
+	primary key (feed_id)
+); 
+
+CREATE INDEX if not exists twt_time on twts (ulid asc);
+
+create table if not exists twt_mentions(
+	feed_id blob,
+	ulid blob,
+	primary key (feed_id, ulid)
+); 
+
+CREATE INDEX if not exists twt_mention on twt_mentions (ulid asc);

internal/console/console.go

@@ -0,0 +1,61 @@
+package console
+
+import (
+	"context"
+	"errors"
+	"fmt"
+	"io"
+	"os"
+	"os/signal"
+	"time"
+)
+
+type C[A any] struct {
+	io.Reader
+	io.Writer
+	err       io.Writer
+	args      A
+	abort     func()
+	cancelfns []func(context.Context) error
+}
+
+func New[A any](args A) (context.Context, *C[A]) {
+	ctx := context.Background()
+	ctx, abort := context.WithCancel(ctx)
+	ctx, stop := signal.NotifyContext(ctx, os.Interrupt)
+	go func() { <-ctx.Done(); stop() }() // restore interrupt function
+
+	console := &C[A]{Reader: os.Stdin, Writer: os.Stdout, err: os.Stderr, args: args, abort: abort}
+	return ctx, console
+}
+
+func (c *C[A]) Args() A {
+	return c.args
+}
+func (c *C[A]) Shutdown() error {
+	fmt.Fprintln(c.err, "shutting down ", len(c.cancelfns), " cancel functions...")
+	defer fmt.Fprintln(c.err, "done")
+
+	ctx, cancel := context.WithTimeout(context.Background(), 5*time.Second)
+	defer cancel()
+
+	c.abort()
+	var err error
+	for _, fn := range c.cancelfns {
+		err = errors.Join(err, fn(ctx))
+	}
+	return err
+}
+func (c *C[A]) AddCancel(fn func(context.Context) error) { c.cancelfns = append(c.cancelfns, fn) }
+
+func (c *C[A]) IfFatal(err error) {
+	if err == nil {
+		return
+	}
+	fmt.Fprintln(c.err, err)
+	err = c.Shutdown()
+	if err != nil {
+		fmt.Fprintln(c.err, err)
+	}
+	os.Exit(1)
+}

internal/env/env.go

@@ -0,0 +1,54 @@
+package env
+
+import (
+	"bufio"
+	"os"
+	"strings"
+)
+
+func Default(key, def string) string {
+	if v, ok := os.LookupEnv(key); ok {
+		return v
+	}
+	return def
+}
+
+type secret struct {
+	value string
+}
+
+func (s secret) Secret() string {
+	return s.value
+}
+func (s secret) String() string {
+	return "***"
+}
+func Secret(key, def string) secret {
+	if v, ok := os.LookupEnv(key); ok {
+		return secret{v}
+	}
+	return secret{def}
+}
+
+func DotEnv() {
+	fd, err := os.Open(".env")
+	if err != nil {
+		return
+	}
+
+	scan := bufio.NewScanner(fd)
+
+	for scan.Scan() {
+		line := scan.Text()
+
+		if strings.HasPrefix(line, "#") {
+			continue
+		}
+		key, val, ok := strings.Cut(line, "=")
+		if !ok {
+			continue
+		}
+
+		os.Setenv(strings.TrimSpace(key), strings.TrimSpace(val))
+	}
+}

internal/otel/otel.go

@@ -189,7 +189,25 @@ func newTraceProvider(ctx context.Context, name string) (func(context.Context) e
 		return nil, err
 	}
 
-	if v := env("XT_TRACER", ""); v != "" {
+	if v := env("XT_TRACER", ""); v == "stdout" {
+		traceExporter, err := stdouttrace.New(
+			stdouttrace.WithWriter(os.Stderr),
+			stdouttrace.WithPrettyPrint(),
+		)
+		if err != nil {
+			return nil, err
+		}
+
+		tracerProvider := sdktrace.NewTracerProvider(
+			sdktrace.WithResource(r),
+			sdktrace.WithBatcher(traceExporter,
+				// Default is 5s. Set to 1s for demonstrative purposes.
+				sdktrace.WithBatchTimeout(time.Second)),
+		)
+		otel.SetTracerProvider(tracerProvider)
+
+		return tracerProvider.Shutdown, nil
+	} else if v != "" {
 		fmt.Println("use tracer", v)
 		exp, err := otlptracegrpc.New(
 			ctx,
@@ -210,26 +228,11 @@ func newTraceProvider(ctx context.Context, name string) (func(context.Context) e
 		}, nil
 	}
 
-	traceExporter, err := stdouttrace.New(
-		stdouttrace.WithWriter(os.Stderr),
-		stdouttrace.WithPrettyPrint(),
-	)
-	if err != nil {
-		return nil, err
-	}
-
-	tracerProvider := sdktrace.NewTracerProvider(
-		sdktrace.WithResource(r),
-		sdktrace.WithBatcher(traceExporter,
-			// Default is 5s. Set to 1s for demonstrative purposes.
-			sdktrace.WithBatchTimeout(time.Second)),
-	)
-	otel.SetTracerProvider(tracerProvider)
-
-	return tracerProvider.Shutdown, nil
+	return func(ctx context.Context) error { return nil }, nil
 }
 
 func newMeterProvider(ctx context.Context, name string) (func(context.Context) error, error) {
+	_, _ = ctx, name
 	// metricExporter, err := stdoutmetric.New()
 	// if err != nil {
 	// 	return nil, err
@@ -281,7 +284,25 @@ func newLoggerProvider(ctx context.Context, name string) (func(context.Context)
 		return nil, err
 	}
 
-	if v := env("XT_LOGGER", ""); v != "" {
+	if v := env("XT_LOGGER", ""); v == "stdout" {
+		logExporter, err := stdoutlog.New(
+			stdoutlog.WithPrettyPrint(),
+			stdoutlog.WithWriter(os.Stderr),
+		)
+		if err != nil {
+			return nil, err
+		}
+
+		loggerProvider := log.NewLoggerProvider(
+			log.WithProcessor(
+				log.NewBatchProcessor(logExporter),
+			),
+			log.WithResource(r),
+		)
+		global.SetLoggerProvider(loggerProvider)
+
+		return loggerProvider.Shutdown, nil
+	} else if v != "" {
 		fmt.Println("use logger", v)
 
 		exp, err := otlploghttp.New(
@@ -301,28 +322,9 @@ func newLoggerProvider(ctx context.Context, name string) (func(context.Context)
 		global.SetLoggerProvider(provider)
 
 		return processor.Shutdown, nil
-
 	}
 
-	// return func(ctx context.Context) error { return nil }, nil
-
-	logExporter, err := stdoutlog.New(
-		stdoutlog.WithPrettyPrint(),
-		stdoutlog.WithWriter(os.Stderr),
-	)
-	if err != nil {
-		return nil, err
-	}
-
-	loggerProvider := log.NewLoggerProvider(
-		log.WithProcessor(
-			log.NewBatchProcessor(logExporter),
-		),
-		log.WithResource(r),
-	)
-	global.SetLoggerProvider(loggerProvider)
-
-	return loggerProvider.Shutdown, nil
+	return func(ctx context.Context) error { return nil }, nil
 }
 
 func env(key, def string) string {

internal/uuid/uuid.go

@@ -1,4 +1,4 @@
-package main
+package uuid
 
 import (
 	"crypto/sha1"
@@ -8,54 +8,54 @@ import (
 	"strings"
 )
 
-type uuid [16]byte
+type UUID [16]byte
 
-var urlNS = uuid{0x6b, 0xa7, 0xb8, 0x10, 0x9d, 0xad, 0x11, 0xd1, 0x80, 0xb4, 0x00, 0xc0, 0x4f, 0xd4, 0x30, 0xc8}
+var UrlNS = UUID{0x6b, 0xa7, 0xb8, 0x10, 0x9d, 0xad, 0x11, 0xd1, 0x80, 0xb4, 0x00, 0xc0, 0x4f, 0xd4, 0x30, 0xc8}
 
-func (u uuid) UUID5(value string) uuid {
+func (u UUID) UUID5(value string) UUID {
 	h := sha1.New()
 	h.Write(u[:])
 	h.Write([]byte(value))
-	return uuid(h.Sum(nil))
+	return UUID(h.Sum(nil))
 }
 
-func (u *uuid) UnmarshalText(data string) error {
+func (u *UUID) UnmarshalText(data string) error {
 	data = strings.Trim(data, "{}")
 	data = strings.ReplaceAll(data, "-", "")
 
 	_, err := hex.Decode(u[:], []byte(data))
 	return err
 }
-func (u uuid) MarshalText() string {
+func (u UUID) MarshalText() string {
 	s := hex.EncodeToString(u[:])
 	return fmt.Sprintf("{%s-%s-%s-%s-%s}", s[:8], s[8:12], s[12:16], s[16:20], s[20:])
 }
 
-func (u uuid) Value() (driver.Value, error) {
+func (u UUID) Value() (driver.Value, error) {
 	return u[:], nil
 }
 
-func (u *uuid) Scan(value any) error {
+func (u *UUID) Scan(value any) error {
 	if value == nil {
 		return nil
 	}
-	*u = uuid(value.([]byte))
+	*u = UUID(value.([]byte))
 	return nil
 }
 
-type uuids []uuid
+type UUIDs []UUID
 
-func (lis uuids) ToStrList() strList {
-	arr := make(strList, len(lis))
+func (lis UUIDs) ToStrList() List {
+	arr := make(List, len(lis))
 	for i, v := range lis {
 		arr[i] = v.MarshalText()
 	}
 	return arr
 }
 
-type strList []string
+type List []string
 
-func (l *strList) Scan(value any) error {
+func (l *List) Scan(value any) error {
 	s := value.(string)
 	s = strings.Trim(s, "[]")
 	for _, v := range strings.Split(s, ",") {
@@ -67,7 +67,7 @@ func (l *strList) Scan(value any) error {
 	return nil
 }
 
-func (l strList) Value() (driver.Value, error) {
+func (l List) Value() (driver.Value, error) {
 	arr := make([]string, len(l))
 	for i, v := range l {
 		arr[i] = "\"" + v + "\""

main.go

@@ -1,111 +1,16 @@
 package main
 
 import (
-	"bufio"
 	"context"
 	"errors"
-	"fmt"
-	"io"
-	"os"
-	"os/signal"
-	"strings"
 
-	"go.opentelemetry.io/otel/metric"
+	"go.sour.is/xt/internal/console"
+	"go.sour.is/xt/internal/env"
 	"go.sour.is/xt/internal/otel"
 )
 
 const name = "go.sour.is/xt"
 
-var m_up metric.Int64Gauge
-
-func main() {
-	dotEnv() // load .env
-
-	ctx, console := newConsole(args{
-		dbtype:   env("XT_DBTYPE", "sqlite3"),
-		dbfile:   env("XT_DBFILE", "file:twt.db"),
-		baseFeed: env("XT_BASE_FEED", "feed"),
-		Nick:     env("XT_NICK", "xuu"),
-		URI:      env("XT_URI", "https://txt.sour.is/user/xuu/twtxt.txt"),
-		Listen:   env("XT_LISTEN", ":8080"),
-	})
-
-	finish, err := otel.Init(ctx, name)
-	console.IfFatal(err)
-	console.AddCancel(finish)
-
-	m_up, err = otel.Meter().Int64Gauge("up")
-	console.IfFatal(err)
-
-	m_up.Record(ctx, 1)
-	defer m_up.Record(context.Background(), 0)
-
-	err = run(console)
-	if !errors.Is(err, context.Canceled) {
-		console.IfFatal(err)
-	}
-}
-
-type console struct {
-	io.Reader
-	io.Writer
-	err io.Writer
-	context.Context
-	abort     func()
-	cancelfns []func(context.Context) error
-}
-
-func newConsole(args args) (context.Context, *console) {
-	ctx := context.Background()
-	ctx, abort := context.WithCancel(ctx)
-	ctx, stop := signal.NotifyContext(ctx, os.Interrupt)
-	go func() { <-ctx.Done(); stop() }() // restore interrupt function
-
-	console := &console{Reader: os.Stdin, Writer: os.Stdout, err: os.Stderr, Context: ctx, abort: abort}
-	console.Set("console", console)
-	console.Set("args", args)
-	return ctx, console
-}
-
-func (c *console) Args() args {
-	v, ok := c.Get("args").(args)
-	if !ok {
-		return args{}
-	}
-	return v
-}
-func (c *console) Shutdown() error {
-	fmt.Fprintln(c.err, "shutting down ", len(c.cancelfns), " cancel functions...")
-	defer fmt.Fprintln(c.err, "done")
-
-	c.abort()
-	var err error
-	for _, fn := range c.cancelfns {
-		err = errors.Join(err, fn(c.Context))
-	}
-	return err
-}
-func (c *console) AddCancel(fn func(context.Context) error) { c.cancelfns = append(c.cancelfns, fn) }
-
-func (c *console) IfFatal(err error) {
-	if err == nil {
-		return
-	}
-	fmt.Fprintln(c.err, err)
-	c.abort()
-	os.Exit(1)
-}
-
-type contextKey struct{ name string }
-
-func (c *console) Set(name string, value any) {
-	c.Context = context.WithValue(c.Context, contextKey{name}, value)
-}
-
-func (c *console) Get(name string) any {
-	return c.Context.Value(contextKey{name})
-}
-
 type args struct {
 	dbtype   string
 	dbfile   string
@@ -113,34 +18,34 @@ type args struct {
 	Nick     string
 	URI      string
 	Listen   string
+	Hostname string
 }
 
-func env(key, def string) string {
-	if v, ok := os.LookupEnv(key); ok {
-		return v
-	}
-	return def
-}
+func main() {
+	env.DotEnv() // load .env
 
-func dotEnv() {
-	fd, err := os.Open(".env")
-	if err != nil {
-		return
-	}
+	ctx, console := console.New(args{
+		dbtype:   env.Default("XT_DBTYPE", "sqlite3"),
+		dbfile:   env.Default("XT_DBFILE", "file:twt.db"),
+		baseFeed: env.Default("XT_BASE_FEED", ""),
+		Nick:     env.Default("XT_NICK", "xuu"),
+		URI:      env.Default("XT_URI", "https://txt.sour.is/user/xuu/twtxt.txt"),
+		Listen:   env.Default("XT_LISTEN", ":8080"),
+		Hostname: env.Default("XT_HOSTNAME", "https://watcher.sour.is"),
+	})
 
-	scan := bufio.NewScanner(fd)
+	finish, err := otel.Init(ctx, name)
+	console.IfFatal(err)
+	console.AddCancel(finish)
 
-	for scan.Scan() {
-		line := scan.Text()
+	m_up, err := otel.Meter().Int64Gauge("up")
+	console.IfFatal(err)
 
-		if strings.HasPrefix(line, "#") {
-			continue
-		}
-		key, val, ok := strings.Cut(line, "=")
-		if !ok {
-			continue
-		}
+	m_up.Record(ctx, 1)
+	defer m_up.Record(context.Background(), 0)
 
-		os.Setenv(strings.TrimSpace(key), strings.TrimSpace(val))
+	err = run(ctx, console)
+	if !errors.Is(err, context.Canceled) {
+		console.IfFatal(err)
 	}
 }

refresh-loop.go

@@ -5,8 +5,6 @@ import (
 	"errors"
 	"fmt"
 	"io"
-	"os"
-	"path/filepath"
 	"sort"
 	"time"
 
@@ -26,8 +24,8 @@ const (
 	TwoMinutes = 120
 )
 
-func feedRefreshProcessor(c *console, app *appState) error {
-	ctx, span := otel.Span(c.Context)
+func feedRefreshProcessor(ctx context.Context, app *appState) error {
+	ctx, span := otel.Span(ctx)
 	defer span.End()
 
 	sleeping_time, _ := otel.Meter().Int64Counter("xt_feed_sleep")
@@ -38,7 +36,7 @@ func feedRefreshProcessor(c *console, app *appState) error {
 	fetch, close := NewFuncPool(ctx, 40, f.Fetch)
 	defer close()
 
-	db, err := app.DB(c)
+	db, err := app.DB(ctx)
 	if err != nil {
 		span.RecordError(err)
 		return err
@@ -69,7 +67,7 @@ func feedRefreshProcessor(c *console, app *appState) error {
 			span.AddEvent("sleeping for ", trace.WithAttributes(attribute.Int("seconds", int(TwoMinutes))))
 			select {
 			case <-time.After(TwoMinutes * time.Second):
-			case <-c.Done():
+			case <-ctx.Done():
 				return nil
 			}
 			span.End()
@@ -127,6 +125,8 @@ func processorLoop(ctx context.Context, db db, fetch *pool[*Feed, *Response]) {
 		select {
 		case <-ctx.Done():
 			return
+		case <-time.After(10 * time.Minute):
+			refreshLastTwt(ctx, db)
 		case res := <-fetch.Out():
 			f := res.Request
 			span.AddEvent("got response", trace.WithAttributes(
@@ -162,7 +162,7 @@ func processorLoop(ctx context.Context, db db, fetch *pool[*Feed, *Response]) {
 			f.LastModified.Time, f.LastModified.Valid = res.LastModified(), true
 
 			span.AddEvent("read feed")
-			cpy, err := os.OpenFile(filepath.Join("feeds", urlNS.UUID5(f.URI).MarshalText()), os.O_WRONLY|os.O_CREATE|os.O_TRUNC, 0600)
+			//			cpy, err := os.OpenFile(filepath.Join("feeds", urlNS.UUID5(f.URI).MarshalText()), os.O_WRONLY|os.O_CREATE|os.O_TRUNC, 0600)
 			if err != nil {
 				span.RecordError(fmt.Errorf("%w: %w", ErrParseFailed, err))
 
@@ -174,10 +174,12 @@ func processorLoop(ctx context.Context, db db, fetch *pool[*Feed, *Response]) {
 
 				continue
 			}
-			rdr := io.TeeReader(res.Body, cpy)
+			var rdr io.Reader = res.Body
+			// rdr := io.TeeReader(rdr, cpy)
 			rdr = lextwt.TwtFixer(rdr)
 			twtfile, err := lextwt.ParseFile(rdr, &types.Twter{Nick: f.Nick, URI: f.URI})
-			cpy.Close()
+			//cpy.Close()
+			res.Body.Close()
 
 			if err != nil {
 				span.RecordError(fmt.Errorf("%w: %w", ErrParseFailed, err))
@@ -206,6 +208,10 @@ func processorLoop(ctx context.Context, db db, fetch *pool[*Feed, *Response]) {
 				continue
 			}
 
+			if nick := twtfile.Twter().Nick; nick != "" {
+				f.Nick = nick
+			}
+
 			f.RefreshRate, f.State = checkTemp(twtfile.Twts())
 			f.LastError.String = ""
 
@@ -227,31 +233,31 @@ func checkTemp(twts types.Twts) (int, State) {
 	since_first := -time.Until(twts[0].Created())
 	since_fifth := -time.Until(twts[4].Created())
 
-	if since_first < 2*time.Hour || since_fifth < 8*time.Hour {
+	if since_first < 24*time.Hour || since_fifth < 32*time.Hour {
 		return TwoMinutes, "hot"
 	}
 
-	if since_first < 4*time.Hour || since_fifth < 16*time.Hour {
+	if since_first < 48*time.Hour || since_fifth < 64*time.Hour {
 		return TenMinutes, "hot"
 	}
 
-	if since_first < 8*time.Hour || since_fifth < 32*time.Hour {
+	if since_first < 96*time.Hour || since_fifth < 128*time.Hour {
 		return 2 * TenMinutes, "warm"
 	}
 
-	if since_first < 16*time.Hour || since_fifth < 64*time.Hour {
+	if since_first < 192*time.Hour || since_fifth < 256*time.Hour {
 		return 4 * TenMinutes, "warm"
 	}
 
-	if since_first < 24*time.Hour || since_fifth < 128*time.Hour {
+	if since_first < 384*time.Hour || since_fifth < 512*time.Hour {
 		return OneDay, "cold"
 	}
 
-	if since_first < 48*time.Hour || since_fifth < 256*time.Hour {
+	if since_first < 768*time.Hour || since_fifth < 1024*time.Hour {
 		return 2 * OneDay, "cold"
 	}
 
-	if since_first < 96*time.Hour || since_fifth < 512*time.Hour {
+	if since_first < 1536*time.Hour || since_fifth < 2048*time.Hour {
 		return 7 * OneDay, "frozen"
 	}