Add graph of bookmarks over time

Neaten edit form
Bump version
2022-12-17 12:34:26 +10:30 · 2022-12-17 11:05:04 +10:30 · 2022-12-17 11:04:52 +10:30 · 2022-08-21 17:07:23 +09:30 · 2022-08-21 17:02:14 +09:30 · 2022-08-21 16:59:30 +09:30
21 changed files with 552 additions and 78 deletions
--- a/.goreleaser.yaml
+++ b/.goreleaser.yaml
@@ -90,3 +90,4 @@ changelog:
      - '^docs:'
      - '^test:'
      - '^[Bb]ump'
+      - '^[Cc]lean'
--- a/README.md
+++ b/README.md
@@ -32,6 +32,11 @@ A self-hosted bookmark database with full-text page content search.
    mountpoint.
 * Run `docker-compose up -d`

+To upgrade:
+
+* `docker-compose pull`
+* `docker-compose up -d`
+
 ## Packages (deb/rpm)

 * Download the .deb or .rpm from the releases
--- a/cmd/linkwallet/linkwallet.go
+++ b/cmd/linkwallet/linkwallet.go
@@ -25,17 +25,29 @@ func main() {
 	if err != nil {
 		log.Fatal(err)
 	}
+
 	bmm := db.NewBookmarkManager(&dbh)
 	cmm := db.NewConfigManager(&dbh)

 	go func() {
 		for {
-			version.UpdateVersionInfo()
+			version.VersionInfo.UpdateVersionInfo()
 			time.Sleep(time.Hour * 6)
 		}
 	}()

-	log.Printf("linkwallet version %s starting", version.Is())
+	// update stats every 5 minutes
+	go func() {
+		for {
+			err := dbh.UpdateBookmarkStats()
+			if err != nil {
+				panic(err)
+			}
+			time.Sleep(time.Minute * 5)
+		}
+	}()
+
+	log.Printf("linkwallet version %s starting", version.VersionInfo.Local.Tag)

 	server := web.Create(bmm, cmm)
 	go bmm.RunQueue()
--- a/db/bookmarks.go
+++ b/db/bookmarks.go
@@ -1,9 +1,12 @@
 package db

 import (
+	"errors"
 	"fmt"
 	"io"
 	"log"
+	"os"
+	"strings"
 	"sync"
 	"time"

@@ -32,6 +35,12 @@ func NewBookmarkManager(db *DB) *BookmarkManager {
 // if this bookmark already exists (based on URL match).
 // The entity.Bookmark ID field will be updated.
 func (m *BookmarkManager) AddBookmark(bm *entity.Bookmark) error {
+
+	if strings.Index(bm.URL, "https://") != 0 &&
+		strings.Index(bm.URL, "http://") != 0 {
+		return errors.New("URL must begin with http:// or https://")
+	}
+
 	existing := entity.Bookmark{}
 	err := m.db.store.FindOne(&existing, bolthold.Where("URL").Eq(bm.URL))
 	if err != bolthold.ErrNotFound {
@@ -92,7 +101,6 @@ func (m *BookmarkManager) SaveBookmark(bm *entity.Bookmark) error {
 func (m *BookmarkManager) LoadBookmarkByID(id uint64) entity.Bookmark {
 	// log.Printf("loading %v", ids)
 	ret := entity.Bookmark{}
-	log.Printf("loading id %d", id)
 	err := m.db.store.Get(id, &ret)
 	if err != nil {
 		panic(err)
@@ -139,17 +147,27 @@ func (m *BookmarkManager) Search(opts SearchOptions) ([]entity.Bookmark, error)
 		bhQuery = bolthold.Query(*bhQuery.And("Tags").ContainsAll(bolthold.Slice(opts.Tags)...))
 	}

-	if opts.Sort == "title" {
-		bhQuery.SortBy("Info.Title")
-	} else if opts.Sort == "created" {
-		bhQuery.SortBy("TimestampCreated")
-	} else if opts.Sort == "scraped" {
-		bhQuery.SortBy("TimestampLastScraped")
+	reverse := false
+	sortOrder := opts.Sort
+	if sortOrder != "" && sortOrder[0] == '-' {
+		reverse = true
+		sortOrder = sortOrder[1:]
+	}

+	if sortOrder == "title" {
+		bhQuery.SortBy("Info.Title")
+	} else if sortOrder == "created" {
+		bhQuery.SortBy("TimestampCreated")
+	} else if sortOrder == "scraped" {
+		bhQuery.SortBy("TimestampLastScraped")
 	} else {
 		bhQuery.SortBy("ID")
 	}

+	if reverse {
+		bhQuery = *bhQuery.Reverse()
+	}
+
 	out := []entity.Bookmark{}
 	err := m.db.store.ForEach(&bhQuery,
 		func(bm *entity.Bookmark) error {
@@ -161,6 +179,8 @@ func (m *BookmarkManager) Search(opts SearchOptions) ([]entity.Bookmark, error)
 		panic(err)
 	}

+	m.db.IncrementSearches()
+
 	return out, nil
 }

@@ -187,7 +207,6 @@ func (m *BookmarkManager) ScrapeAndIndex(bm *entity.Bookmark) error {
 func (m *BookmarkManager) UpdateIndexForBookmark(bm *entity.Bookmark) {
 	words := content.Words(bm)
 	words = append(words, bm.Tags...)
-	log.Printf("index for %d %s (%d words)", bm.ID, bm.URL, len(words))
 	m.db.UpdateIndexForWordsByID(words, bm.ID)
 }

@@ -261,3 +280,18 @@ func (m *BookmarkManager) UpdateContent() {
 		time.Sleep(time.Second * 5)
 	}
 }
+
+func (m *BookmarkManager) Stats() (entity.DBStats, error) {
+	stats := entity.DBStats{}
+	err := m.db.store.Get("stats", &stats)
+	if err != nil && err != bolthold.ErrNotFound {
+		return stats, fmt.Errorf("could not load stats: %s", err)
+	}
+	// get the DB size
+	fi, err := os.Stat(m.db.file)
+	if err != nil {
+		return stats, fmt.Errorf("could not load db file size: %s", err)
+	}
+	stats.FileSize = int(fi.Size())
+	return stats, nil
+}
--- a/db/db.go
+++ b/db/db.go
@@ -2,7 +2,7 @@ package db

 import (
 	"fmt"
-	"log"
+	"time"

 	"github.com/tardisx/linkwallet/entity"
 	bolthold "github.com/timshannon/bolthold"
@@ -10,6 +10,7 @@ import (

 type DB struct {
 	store *bolthold.Store
+	file  string
 }

 func (db *DB) Open(path string) error {
@@ -21,6 +22,7 @@ func (db *DB) Open(path string) error {
 		return fmt.Errorf("cannot open '%s' - %s", path, err)
 	}
 	db.store = store
+	db.file = path
 	return nil
 }

@@ -28,8 +30,84 @@ func (db *DB) Close() {
 	db.store.Close()
 }

-func (db *DB) Dumpy() {
-	res := make([]entity.Bookmark, 0, 0)
-	db.store.Find(&res, &bolthold.Query{})
-	log.Printf("%v", res)
+// func (db *DB) Dumpy() {
+// 	res := make([]entity.Bookmark, 0, 0)
+// 	db.store.Find(&res, &bolthold.Query{})
+// 	log.Printf("%v", res)
+// }
+
+// IncrementSearches increments the number of searches we have ever performed by one.
+func (db *DB) IncrementSearches() error {
+	txn, err := db.store.Bolt().Begin(true)
+	if err != nil {
+		return fmt.Errorf("could not start transaction for increment searches: %s", err)
+	}
+
+	stats := entity.DBStats{}
+	err = db.store.TxGet(txn, "stats", &stats)
+	if err != nil && err != bolthold.ErrNotFound {
+		txn.Rollback()
+		return fmt.Errorf("could not get stats for incrementing searches: %s", err)
+	}
+
+	stats.Searches += 1
+	err = db.store.TxUpsert(txn, "stats", &stats)
+	if err != nil {
+		txn.Rollback()
+		return fmt.Errorf("could not upsert stats for incrementing searches: %s", err)
+	}
+	err = txn.Commit()
+	if err != nil {
+		return fmt.Errorf("could not commit increment searches transaction: %s", err)
+	}
+
+	return nil
+}
+
+// UpdateBookmarkStats updates the history on the number of bookmarks and words indexed.
+func (db *DB) UpdateBookmarkStats() error {
+
+	txn, err := db.store.Bolt().Begin(true)
+	if err != nil {
+		return fmt.Errorf("could not start transaction for update stats: %s", err)
+	}
+	// count bookmarks and words indexed
+	bmI := entity.Bookmark{}
+	wiI := entity.WordIndex{}
+	bookmarkCount, err := db.store.TxCount(txn, &bmI, &bolthold.Query{})
+	if err != nil {
+		txn.Rollback()
+		return fmt.Errorf("could not get bookmark count: %s", err)
+	}
+	indexWordCount, err := db.store.TxCount(txn, &wiI, &bolthold.Query{})
+	if err != nil {
+		txn.Rollback()
+		return fmt.Errorf("could not get index word count: %s", err)
+	}
+
+	// bucket these stats by day
+	now := time.Now().Truncate(time.Hour * 24)
+
+	stats := entity.DBStats{}
+	err = db.store.TxGet(txn, "stats", &stats)
+	if err != nil && err != bolthold.ErrNotFound {
+		txn.Rollback()
+		return fmt.Errorf("could not get stats: %s", err)
+	}
+	if stats.History == nil {
+		stats.History = make(map[time.Time]entity.BookmarkInfo)
+	}
+	stats.History[now] = entity.BookmarkInfo{Bookmarks: bookmarkCount, IndexedWords: indexWordCount}
+	err = db.store.TxUpsert(txn, "stats", &stats)
+	if err != nil {
+		txn.Rollback()
+		return fmt.Errorf("could not upsert stats: %s", err)
+	}
+
+	err = txn.Commit()
+	if err != nil {
+		return fmt.Errorf("could not commit stats transaction: %s", err)
+	}
+
+	return nil
 }
--- a/db/index.go
+++ b/db/index.go
@@ -20,7 +20,20 @@ func (db *DB) UpdateIndexForWordsByID(words []string, id uint64) {
 	}
 	db.store.TxForEach(txn, &bolthold.Query{}, func(wi *entity.WordIndex) error {
 		delete(wi.Bitmap, id)
-		db.store.TxUpdate(txn, "word_index_"+wi.Word, wi)
+		// if the index is now completely empty, nuke it entirely
+		empty := true
+		for _, v := range wi.Bitmap {
+			if v {
+				empty = false
+				break
+			}
+		}
+
+		if empty {
+			db.store.TxDelete(txn, "word_index_"+wi.Word, wi)
+		} else {
+			db.store.TxUpdate(txn, "word_index_"+wi.Word, wi)
+		}
 		return nil
 	})

--- a/entity/meta.go
+++ b/entity/meta.go
@@ -0,0 +1,48 @@
+package entity
+
+import (
+	"fmt"
+	"sort"
+	"time"
+)
+
+type DBStats struct {
+	History  map[time.Time]BookmarkInfo
+	FileSize int
+	Searches int
+}
+
+type BookmarkInfo struct {
+	Bookmarks    int
+	IndexedWords int
+}
+
+func (stats DBStats) String() string {
+	out := fmt.Sprintf("searches: %d\n", stats.Searches)
+
+	dates := []time.Time{}
+
+	for k := range stats.History {
+		dates = append(dates, k)
+	}
+
+	sort.Slice(dates, func(i, j int) bool { return dates[i].Before(dates[j]) })
+
+	for _, k := range dates {
+		out += fmt.Sprintf("%s - %d bookmarks, %d words indexed\n", k, stats.History[k].Bookmarks, stats.History[k].IndexedWords)
+	}
+	return out
+}
+
+func (stats DBStats) MostRecentBookmarkInfo() BookmarkInfo {
+	mostRecent := time.Time{}
+	for k := range stats.History {
+		if k.After(mostRecent) {
+			mostRecent = k
+		}
+	}
+	if !mostRecent.IsZero() {
+		return stats.History[mostRecent]
+	}
+	return BookmarkInfo{}
+}
--- a/go.mod
+++ b/go.mod
@@ -6,13 +6,20 @@ require (
 	github.com/gin-gonic/gin v1.7.7
 	github.com/gocolly/colly v1.2.0
 	github.com/kljensen/snowball v0.6.0
+	gonum.org/v1/plot v0.12.0
 )

 require (
+	git.sr.ht/~sbinet/gg v0.3.1 // indirect
+	github.com/ajstarks/svgo v0.0.0-20211024235047-1546f124cd8b // indirect
 	github.com/gin-contrib/sse v0.1.0 // indirect
+	github.com/go-fonts/liberation v0.2.0 // indirect
+	github.com/go-latex/latex v0.0.0-20210823091927-c0d11ff05a81 // indirect
+	github.com/go-pdf/fpdf v0.6.0 // indirect
 	github.com/go-playground/locales v0.13.0 // indirect
 	github.com/go-playground/universal-translator v0.17.0 // indirect
 	github.com/go-playground/validator/v10 v10.4.1 // indirect
+	github.com/golang/freetype v0.0.0-20170609003504-e2365dfdc4a0 // indirect
 	github.com/google/go-querystring v1.1.0 // indirect
 	github.com/json-iterator/go v1.1.9 // indirect
 	github.com/kr/pretty v0.1.0 // indirect
@@ -23,6 +30,7 @@ require (
 	github.com/ugorji/go/codec v1.1.7 // indirect
 	go.etcd.io/bbolt v1.3.6 // indirect
 	golang.org/x/crypto v0.0.0-20210817164053-32db794688a5 // indirect
+	golang.org/x/image v0.0.0-20220902085622-e7cb96979f69 // indirect
 	gopkg.in/check.v1 v1.0.0-20190902080502-41f04d3bba15 // indirect
 	gopkg.in/yaml.v2 v2.2.8 // indirect
 )
@@ -37,6 +45,7 @@ require (
 	github.com/gobwas/glob v0.2.3 // indirect
 	github.com/golang/groupcache v0.0.0-20210331224755-41bb18bfe9da // indirect
 	github.com/golang/protobuf v1.5.2 // indirect
+	github.com/gomarkdown/markdown v0.0.0-20220627144906-e9a81102ebeb
 	github.com/google/go-github/v44 v44.1.0
 	github.com/hako/durafmt v0.0.0-20210608085754-5c1018a4e16b
 	github.com/kennygrant/sanitize v1.2.4 // indirect
@@ -45,7 +54,7 @@ require (
 	github.com/timshannon/bolthold v0.0.0-20210913165410-232392fc8a6a
 	golang.org/x/mod v0.5.1
 	golang.org/x/net v0.0.0-20220517181318-183a9ca12b87 // indirect
-	golang.org/x/sys v0.0.0-20220519141025-dcacdad47464 // indirect
+	golang.org/x/sys v0.0.0-20220722155257-8c9f86f7a55f // indirect
 	golang.org/x/text v0.3.7 // indirect
 	google.golang.org/appengine v1.6.7 // indirect
 	google.golang.org/protobuf v1.27.1 // indirect
--- a/go.sum
+++ b/go.sum
@@ -1,5 +1,12 @@
+git.sr.ht/~sbinet/gg v0.3.1 h1:LNhjNn8DerC8f9DHLz6lS0YYul/b602DUxDgGkd/Aik=
+git.sr.ht/~sbinet/gg v0.3.1/go.mod h1:KGYtlADtqsqANL9ueOFkWymvzUvLMQllU5Ixo+8v3pc=
+github.com/BurntSushi/toml v0.3.1/go.mod h1:xHWCNGjB5oqiDr8zfno3MHue2Ht5sIBksp03qcyfWMU=
 github.com/PuerkitoBio/goquery v1.8.0 h1:PJTF7AmFCFKk1N6V6jmKfrNH9tV5pNE6lZMkG0gta/U=
 github.com/PuerkitoBio/goquery v1.8.0/go.mod h1:ypIiRMtY7COPGk+I/YbZLbxsxn9g5ejnI2HSMtkjZvI=
+github.com/ajstarks/deck v0.0.0-20200831202436-30c9fc6549a9/go.mod h1:JynElWSGnm/4RlzPXRlREEwqTHAN3T56Bv2ITsFT3gY=
+github.com/ajstarks/deck/generate v0.0.0-20210309230005-c3f852c02e19/go.mod h1:T13YZdzov6OU0A1+RfKZiZN9ca6VeKdBdyDV+BY97Tk=
+github.com/ajstarks/svgo v0.0.0-20211024235047-1546f124cd8b h1:slYM766cy2nI3BwyRiyQj/Ud48djTMtMebDqepE95rw=
+github.com/ajstarks/svgo v0.0.0-20211024235047-1546f124cd8b/go.mod h1:1KcenG0jGWcpt8ov532z81sp/kMMUG485J2InIOyADM=
 github.com/andybalholm/cascadia v1.3.1 h1:nhxRkql1kdYCc8Snf7D5/D3spOX+dBgjA6u8x004T2c=
 github.com/andybalholm/cascadia v1.3.1/go.mod h1:R4bJ1UQfqADjvDa4P6HZHLh/3OxWWEqc0Sk8XGwHqvA=
 github.com/antchfx/htmlquery v1.2.4 h1:qLteofCMe/KGovBI6SQgmou2QNyedFUW+pE+BpeZ494=
@@ -8,9 +15,12 @@ github.com/antchfx/xmlquery v1.3.10 h1:U2yMwr8U0KmGM2iDG2Ky/3LfxNsiK4uw1bSBkeMO9
 github.com/antchfx/xmlquery v1.3.10/go.mod h1:wojC/BxjEkjJt6dPiAqUzoXO5nIMWtxHS8PD8TmN4ks=
 github.com/antchfx/xpath v1.2.0 h1:mbwv7co+x0RwgeGAOHdrKy89GvHaGvxxBtPK0uF9Zr8=
 github.com/antchfx/xpath v1.2.0/go.mod h1:i54GszH55fYfBmoZXapTHN8T8tkcHfRgLyVwwqzXNcs=
+github.com/boombuler/barcode v1.0.0/go.mod h1:paBWMcWSl3LHKBqUq+rly7CNSldXjb2rDl3JlRe0mD8=
+github.com/boombuler/barcode v1.0.1/go.mod h1:paBWMcWSl3LHKBqUq+rly7CNSldXjb2rDl3JlRe0mD8=
 github.com/davecgh/go-spew v1.1.0/go.mod h1:J7Y8YcW2NihsgmVo/mv3lAwl/skON4iLHjSsI+c5H38=
 github.com/davecgh/go-spew v1.1.1 h1:vj9j/u1bqnvCEfJOwUhtlOARqs3+rkHYY13jYWTU97c=
 github.com/davecgh/go-spew v1.1.1/go.mod h1:J7Y8YcW2NihsgmVo/mv3lAwl/skON4iLHjSsI+c5H38=
+github.com/fogleman/gg v1.3.0/go.mod h1:R/bRT+9gY/C5z7JzPU0zXsXHKM4/ayA+zqcVNZzPa1k=
 github.com/gin-contrib/gzip v0.0.5 h1:mhnVU32YnnBh2LPH2iqRqsA/eR7SAqRaD388jL2s/j0=
 github.com/gin-contrib/gzip v0.0.5/go.mod h1:OPIK6HR0Um2vNmBUTlayD7qle4yVVRZT0PyhdUigrKk=
 github.com/gin-contrib/sse v0.1.0 h1:Y/yl/+YNO8GZSjAhjMsSuLt29uWRFHdHYUb5lYOV9qE=
@@ -18,6 +28,18 @@ github.com/gin-contrib/sse v0.1.0/go.mod h1:RHrZQHXnP2xjPF+u1gW/2HnVO7nvIa9PG3Gm
 github.com/gin-gonic/gin v1.7.4/go.mod h1:jD2toBW3GZUr5UMcdrwQA10I7RuaFOl/SGeDjXkfUtY=
 github.com/gin-gonic/gin v1.7.7 h1:3DoBmSbJbZAWqXJC3SLjAPfutPJJRN1U5pALB7EeTTs=
 github.com/gin-gonic/gin v1.7.7/go.mod h1:axIBovoeJpVj8S3BwE0uPMTeReE4+AfFtqpqaZ1qq1U=
+github.com/go-fonts/dejavu v0.1.0 h1:JSajPXURYqpr+Cu8U9bt8K+XcACIHWqWrvWCKyeFmVQ=
+github.com/go-fonts/dejavu v0.1.0/go.mod h1:4Wt4I4OU2Nq9asgDCteaAaWZOV24E+0/Pwo0gppep4g=
+github.com/go-fonts/latin-modern v0.2.0 h1:5/Tv1Ek/QCr20C6ZOz15vw3g7GELYL98KWr8Hgo+3vk=
+github.com/go-fonts/latin-modern v0.2.0/go.mod h1:rQVLdDMK+mK1xscDwsqM5J8U2jrRa3T0ecnM9pNujks=
+github.com/go-fonts/liberation v0.2.0 h1:jAkAWJP4S+OsrPLZM4/eC9iW7CtHy+HBXrEwZXWo5VM=
+github.com/go-fonts/liberation v0.2.0/go.mod h1:K6qoJYypsmfVjWg8KOVDQhLc8UDgIK2HYqyqAO9z7GY=
+github.com/go-fonts/stix v0.1.0/go.mod h1:w/c1f0ldAUlJmLBvlbkvVXLAD+tAMqobIIQpmnUIzUY=
+github.com/go-latex/latex v0.0.0-20210823091927-c0d11ff05a81 h1:6zl3BbBhdnMkpSj2YY30qV3gDcVBGtFgVsV3+/i+mKQ=
+github.com/go-latex/latex v0.0.0-20210823091927-c0d11ff05a81/go.mod h1:SX0U8uGpxhq9o2S/CELCSUxEWWAuoCUcVCQWv7G2OCk=
+github.com/go-pdf/fpdf v0.5.0/go.mod h1:HzcnA+A23uwogo0tp9yU+l3V+KXhiESpt1PMayhOh5M=
+github.com/go-pdf/fpdf v0.6.0 h1:MlgtGIfsdMEEQJr2le6b/HNr1ZlQwxyWr77r2aj2U/8=
+github.com/go-pdf/fpdf v0.6.0/go.mod h1:HzcnA+A23uwogo0tp9yU+l3V+KXhiESpt1PMayhOh5M=
 github.com/go-playground/assert/v2 v2.0.1 h1:MsBgLAaY856+nPRTKrp3/OZK38U/wa0CcBYNjji3q3A=
 github.com/go-playground/assert/v2 v2.0.1/go.mod h1:VDjEfimB/XKnb+ZQfWdccd7VUvScMdVu0Titje2rxJ4=
 github.com/go-playground/locales v0.13.0 h1:HyWk6mgj5qFqCT5fjGBuRArbVDfE4hi8+e8ceBS/t7Q=
@@ -30,6 +52,8 @@ github.com/gobwas/glob v0.2.3 h1:A4xDbljILXROh+kObIiy5kIaPYD8e96x1tgBhUI5J+Y=
 github.com/gobwas/glob v0.2.3/go.mod h1:d3Ez4x06l9bZtSvzIay5+Yzi0fmZzPgnTbPcKjJAkT8=
 github.com/gocolly/colly v1.2.0 h1:qRz9YAn8FIH0qzgNUw+HT9UN7wm1oF9OBAilwEWpyrI=
 github.com/gocolly/colly v1.2.0/go.mod h1:Hof5T3ZswNVsOHYmba1u03W65HDWgpV5HifSuueE0EA=
+github.com/golang/freetype v0.0.0-20170609003504-e2365dfdc4a0 h1:DACJavvAHhabrF08vX0COfcOBJRhZ8lUbR+ZWIs0Y5g=
+github.com/golang/freetype v0.0.0-20170609003504-e2365dfdc4a0/go.mod h1:E/TSTwGwJL78qG/PmXZO1EjYhfJinVAhrmmHX6Z8B9k=
 github.com/golang/groupcache v0.0.0-20200121045136-8c9f03a8e57e/go.mod h1:cIg4eruTrX1D+g88fzRXU5OdNfaM+9IcxsU14FzY7Hc=
 github.com/golang/groupcache v0.0.0-20210331224755-41bb18bfe9da h1:oI5xCqsCo564l8iNU+DwB5epxmsaqB+rhGL0m5jtYqE=
 github.com/golang/groupcache v0.0.0-20210331224755-41bb18bfe9da/go.mod h1:cIg4eruTrX1D+g88fzRXU5OdNfaM+9IcxsU14FzY7Hc=
@@ -38,6 +62,8 @@ github.com/golang/protobuf v1.3.3/go.mod h1:vzj43D7+SQXF/4pzW/hwtAqwc6iTitCiVSaW
 github.com/golang/protobuf v1.5.0/go.mod h1:FsONVRAS9T7sI+LIUmWTfcYkHO4aIWwzhcaSAoJOfIk=
 github.com/golang/protobuf v1.5.2 h1:ROPKBNFfQgOUMifHyP+KYbvpjbdoFNs+aK7DXlji0Tw=
 github.com/golang/protobuf v1.5.2/go.mod h1:XVQd3VNwM+JqD3oG2Ue2ip4fOMUkwXdXDdiuN0vRsmY=
+github.com/gomarkdown/markdown v0.0.0-20220627144906-e9a81102ebeb h1:5b/eFaSaKPFG9ygDBaPKkydKU5nFJYk08g9jPIVogMg=
+github.com/gomarkdown/markdown v0.0.0-20220627144906-e9a81102ebeb/go.mod h1:JDGcbDT52eL4fju3sZ4TeHGsQwhG9nbDV21aMyhwPoA=
 github.com/google/go-cmp v0.5.2/go.mod h1:v8dTdLbMG2kIc/vJvl+f65V22dbkXbowE6jgT/gNBxE=
 github.com/google/go-cmp v0.5.5/go.mod h1:v8dTdLbMG2kIc/vJvl+f65V22dbkXbowE6jgT/gNBxE=
 github.com/google/go-cmp v0.5.8 h1:e6P7q2lk1O+qJJb4BtCQXlK8vWEO8V1ZeuEdJNOqZyg=
@@ -50,8 +76,10 @@ github.com/hako/durafmt v0.0.0-20210608085754-5c1018a4e16b h1:wDUNC2eKiL35DbLvsD
 github.com/hako/durafmt v0.0.0-20210608085754-5c1018a4e16b/go.mod h1:VzxiSdG6j1pi7rwGm/xYI5RbtpBgM8sARDXlvEvxlu0=
 github.com/json-iterator/go v1.1.9 h1:9yzud/Ht36ygwatGx56VwCZtlI/2AD15T1X2sjSuGns=
 github.com/json-iterator/go v1.1.9/go.mod h1:KdQUCv79m/52Kvf8AW2vK1V8akMuk1QjK/uOdHXbAo4=
+github.com/jung-kurt/gofpdf v1.0.0/go.mod h1:7Id9E/uU8ce6rXgefFLlgrJj/GYY22cpxn+r32jIOes=
 github.com/kennygrant/sanitize v1.2.4 h1:gN25/otpP5vAsO2djbMhF/LQX6R7+O1TB4yv8NzpJ3o=
 github.com/kennygrant/sanitize v1.2.4/go.mod h1:LGsjYYtgxbetdg5owWB2mpgUL6e2nfw2eObZ0u0qvak=
+github.com/kisielk/gotool v1.0.0/go.mod h1:XhKaO+MFFWcvkIS/tQcRk01m1F5IRFswLeQ+oQHNcck=
 github.com/kljensen/snowball v0.6.0 h1:6DZLCcZeL0cLfodx+Md4/OLC6b/bfurWUOUGs1ydfOU=
 github.com/kljensen/snowball v0.6.0/go.mod h1:27N7E8fVU5H68RlUmnWwZCfxgt4POBJfENGMvNRhldw=
 github.com/kr/pretty v0.1.0 h1:L/CwN0zerZDmRFUapSPitk6f+Q3+0za1rQkzVuMiMFI=
@@ -67,11 +95,19 @@ github.com/modern-go/concurrent v0.0.0-20180228061459-e0a39a4cb421 h1:ZqeYNhU3OH
 github.com/modern-go/concurrent v0.0.0-20180228061459-e0a39a4cb421/go.mod h1:6dJC0mAP4ikYIbvyc7fijjWJddQyLn8Ig3JB5CqoB9Q=
 github.com/modern-go/reflect2 v0.0.0-20180701023420-4b7aa43c6742 h1:Esafd1046DLDQ0W1YjYsBW+p8U2u7vzgW2SQVmlNazg=
 github.com/modern-go/reflect2 v0.0.0-20180701023420-4b7aa43c6742/go.mod h1:bx2lNnkwVCuqBIxFjflWJWanXIb3RllmbCylyMrvgv0=
+github.com/phpdave11/gofpdf v1.4.2/go.mod h1:zpO6xFn9yxo3YLyMvW8HcKWVdbNqgIfOOp2dXMnm1mY=
+github.com/phpdave11/gofpdi v1.0.12/go.mod h1:vBmVV0Do6hSBHC8uKUQ71JGW+ZGQq74llk/7bXwjDoI=
+github.com/phpdave11/gofpdi v1.0.13/go.mod h1:vBmVV0Do6hSBHC8uKUQ71JGW+ZGQq74llk/7bXwjDoI=
+github.com/pkg/errors v0.8.1/go.mod h1:bwawxfHBFNV+L2hUp1rHADufV3IMtnDRdf1r5NINEl0=
+github.com/pkg/errors v0.9.1/go.mod h1:bwawxfHBFNV+L2hUp1rHADufV3IMtnDRdf1r5NINEl0=
 github.com/pmezard/go-difflib v1.0.0 h1:4DBwDE0NGyQoBHbLQYPwSUPoCMWR5BEzIk/f1lZbAQM=
 github.com/pmezard/go-difflib v1.0.0/go.mod h1:iKH77koFhYxTK1pcRnkKkqfTogsbg7gZNVY4sRDYZ/4=
+github.com/ruudk/golang-pdf417 v0.0.0-20181029194003-1af4ab5afa58/go.mod h1:6lfFZQK844Gfx8o5WFuvpxWRwnSoipWe/p622j1v06w=
+github.com/ruudk/golang-pdf417 v0.0.0-20201230142125-a7e3863a1245/go.mod h1:pQAZKsJ8yyVxGRWYNEm9oFB8ieLgKFnamEyDmSA0BRk=
 github.com/saintfish/chardet v0.0.0-20120816061221-3af4cd4741ca h1:NugYot0LIVPxTvN8n+Kvkn6TrbMyxQiuvKdEwFdR9vI=
 github.com/saintfish/chardet v0.0.0-20120816061221-3af4cd4741ca/go.mod h1:uugorj2VCxiV1x+LzaIdVa9b4S4qGAcH6cbhh4qVxOU=
 github.com/stretchr/objx v0.1.0/go.mod h1:HFkY916IF+rwdDfMAkV7OtwuqBVzrE8GR6GFx+wExME=
+github.com/stretchr/testify v1.2.2/go.mod h1:a8OnRcib4nhh0OaRAV+Yts87kKdq0PP7pXfy6kDkUVs=
 github.com/stretchr/testify v1.3.0/go.mod h1:M5WIy9Dh21IEIfnGCwXGc5bZfKNJtfHm1UVUgZn+9EI=
 github.com/stretchr/testify v1.4.0/go.mod h1:j7eGeouHqKxXV5pUuKE4zz7dFj8WfuZ+81PSLYec5m4=
 github.com/stretchr/testify v1.7.0 h1:nwc3DEeHmmLAfoZucVR881uASk0Mfjw8xYJ99tb5CcY=
@@ -83,38 +119,66 @@ github.com/timshannon/bolthold v0.0.0-20210913165410-232392fc8a6a/go.mod h1:iSvu
 github.com/ugorji/go v1.1.7/go.mod h1:kZn38zHttfInRq0xu/PH0az30d+z6vm202qpg1oXVMw=
 github.com/ugorji/go/codec v1.1.7 h1:2SvQaVZ1ouYrrKKwoSk2pzd4A9evlKJb9oTL+OaLUSs=
 github.com/ugorji/go/codec v1.1.7/go.mod h1:Ax+UKWsSmolVDwsd+7N3ZtXu+yMGCf907BLYF3GoBXY=
+github.com/yuin/goldmark v1.2.1/go.mod h1:3hX8gzYuyVAZsxl0MRgGTJEmQBFcNTphYh9decYSb74=
 go.etcd.io/bbolt v1.3.6 h1:/ecaJf0sk1l4l6V4awd65v2C3ILy7MSj+s/x1ADCIMU=
 go.etcd.io/bbolt v1.3.6/go.mod h1:qXsaaIqmgQH0T+OPdb99Bf+PKfBBQVAdyD6TY9G8XM4=
 golang.org/x/crypto v0.0.0-20190308221718-c2843e01d9a2/go.mod h1:djNgcEr1/C05ACkg1iLfiJU5Ep61QUkGW8qpdssI0+w=
+golang.org/x/crypto v0.0.0-20191011191535-87dc89f01550/go.mod h1:yigFU9vqHzYiE8UmvKecakEJjdnWj3jj499lnFckfCI=
 golang.org/x/crypto v0.0.0-20200622213623-75b288015ac9/go.mod h1:LzIPMQfyMNhhGPhUkYOs5KpL4U8rLKemX1yGLhDgUto=
 golang.org/x/crypto v0.0.0-20210817164053-32db794688a5 h1:HWj/xjIHfjYU5nVXpTM0s39J9CbLn7Cc5a7IC5rwsMQ=
 golang.org/x/crypto v0.0.0-20210817164053-32db794688a5/go.mod h1:GvvjBRRGRdwPK5ydBHafDWAxML/pGHZbMvKqRZ5+Abc=
+golang.org/x/exp v0.0.0-20220827204233-334a2380cb91 h1:tnebWN09GYg9OLPss1KXj8txwZc6X6uMr6VFdcGNbHw=
+golang.org/x/image v0.0.0-20190910094157-69e4b8554b2a/go.mod h1:FeLwcggjj3mMvU+oOTbSwawSJRM1uh48EjtB4UJZlP0=
+golang.org/x/image v0.0.0-20200119044424-58c23975cae1/go.mod h1:FeLwcggjj3mMvU+oOTbSwawSJRM1uh48EjtB4UJZlP0=
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 golang.org/x/mod v0.5.1 h1:OJxoQ/rynoF0dcCdI7cLPktw/hR2cueqYfjm43oqK38=
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 golang.org/x/net v0.0.0-20190603091049-60506f45cf65/go.mod h1:HSz+uSET+XFnRR8LxR5pz3Of3rY3CfYBVs4xY44aLks=
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 golang.org/x/net v0.0.0-20200421231249-e086a090c8fd/go.mod h1:qpuaurCH72eLCgpAm/N6yyVIVM9cpaDIP3A8BGJEC5A=
 golang.org/x/net v0.0.0-20200813134508-3edf25e44fcc/go.mod h1:/O7V0waA8r7cgGh81Ro3o1hOxt32SMVPicZroKQ2sZA=
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 golang.org/x/net v0.0.0-20210916014120-12bc252f5db8/go.mod h1:9nx3DQGgdP8bBQD5qxJ1jj9UTztislL4KSBs9R2vV5Y=
 golang.org/x/net v0.0.0-20220517181318-183a9ca12b87 h1:cCR+9mKLOGyX4Zx+uBZDXEDAQsvKQ/XbW4vreG5v1jU=
 golang.org/x/net v0.0.0-20220517181318-183a9ca12b87/go.mod h1:CfG3xpIq0wQ8r1q4Su4UZFWDARRcnwPjda9FqA0JpMk=
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 golang.org/x/sys v0.0.0-20190215142949-d0b11bdaac8a/go.mod h1:STP8DvDyc/dI5b8T5hshtkjS+E42TnysNCUPdjciGhY=
 golang.org/x/sys v0.0.0-20190412213103-97732733099d/go.mod h1:h1NjWce9XRLGQEsW7wpKNCjG9DtNlClVuFLEZdDNbEs=
 golang.org/x/sys v0.0.0-20200116001909-b77594299b42/go.mod h1:h1NjWce9XRLGQEsW7wpKNCjG9DtNlClVuFLEZdDNbEs=
 golang.org/x/sys v0.0.0-20200323222414-85ca7c5b95cd/go.mod h1:h1NjWce9XRLGQEsW7wpKNCjG9DtNlClVuFLEZdDNbEs=
 golang.org/x/sys v0.0.0-20200923182605-d9f96fdee20d/go.mod h1:h1NjWce9XRLGQEsW7wpKNCjG9DtNlClVuFLEZdDNbEs=
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 golang.org/x/sys v0.0.0-20201119102817-f84b799fce68/go.mod h1:h1NjWce9XRLGQEsW7wpKNCjG9DtNlClVuFLEZdDNbEs=
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 golang.org/x/sys v0.0.0-20210423082822-04245dca01da/go.mod h1:h1NjWce9XRLGQEsW7wpKNCjG9DtNlClVuFLEZdDNbEs=
-golang.org/x/sys v0.0.0-20220519141025-dcacdad47464 h1:MpIuURY70f0iKp/oooEFtB2oENcHITo/z1b6u41pKCw=
-golang.org/x/sys v0.0.0-20220519141025-dcacdad47464/go.mod h1:oPkhp1MJrh7nUepCBck5+mAzfO9JrbApNNgaTdGDITg=
+golang.org/x/sys v0.0.0-20220722155257-8c9f86f7a55f h1:v4INt8xihDGvnrfjMDVXGxw9wrfxYyCjk0KbXjhR55s=
+golang.org/x/sys v0.0.0-20220722155257-8c9f86f7a55f/go.mod h1:oPkhp1MJrh7nUepCBck5+mAzfO9JrbApNNgaTdGDITg=
 golang.org/x/term v0.0.0-20201126162022-7de9c90e9dd1/go.mod h1:bj7SfCRtBDWHUb9snDiAeCFNEtKQo2Wmx5Cou7ajbmo=
 golang.org/x/text v0.3.0/go.mod h1:NqM8EUOU14njkJ3fqMW+pc6Ldnwhi/IjpwHt7yyuwOQ=
 golang.org/x/text v0.3.2/go.mod h1:bEr9sfX3Q8Zfm5fL9x+3itogRgK3+ptLWKqgva+5dAk=
+golang.org/x/text v0.3.3/go.mod h1:5Zoc/QRtKVWzQhOtBMvqHzDpF6irO9z98xDceosuGiQ=
 golang.org/x/text v0.3.6/go.mod h1:5Zoc/QRtKVWzQhOtBMvqHzDpF6irO9z98xDceosuGiQ=
 golang.org/x/text v0.3.7 h1:olpwvP2KacW1ZWvsR7uQhoyTYvKAupfQrRGBFM352Gk=
 golang.org/x/text v0.3.7/go.mod h1:u+2+/6zg+i71rQMx5EYifcz6MCKuco9NR6JIITiCfzQ=
 golang.org/x/tools v0.0.0-20180917221912-90fa682c2a6e/go.mod h1:n7NCudcB/nEzxVGmLbDWY5pfWTLqBcC2KZ6jyYvM4mQ=
+golang.org/x/tools v0.0.0-20191119224855-298f0cb1881e/go.mod h1:b+2E5dAYhXwXZwtnZ6UAqBI28+e2cm9otk0dWdXHAEo=
+golang.org/x/tools v0.1.0/go.mod h1:xkSsbof2nBLbhDlRMhhhyNLN/zl3eTqcnHD5viDpcZ0=
+golang.org/x/xerrors v0.0.0-20190717185122-a985d3407aa7/go.mod h1:I/5z698sn9Ka8TeJc9MKroUUfqBBauWjQqLJ2OPfmY0=
+golang.org/x/xerrors v0.0.0-20191011141410-1b5146add898/go.mod h1:I/5z698sn9Ka8TeJc9MKroUUfqBBauWjQqLJ2OPfmY0=
 golang.org/x/xerrors v0.0.0-20191204190536-9bdfabe68543/go.mod h1:I/5z698sn9Ka8TeJc9MKroUUfqBBauWjQqLJ2OPfmY0=
+golang.org/x/xerrors v0.0.0-20200804184101-5ec99f83aff1/go.mod h1:I/5z698sn9Ka8TeJc9MKroUUfqBBauWjQqLJ2OPfmY0=
+gonum.org/v1/gonum v0.12.0 h1:xKuo6hzt+gMav00meVPUlXwSdoEJP46BR+wdxQEFK2o=
+gonum.org/v1/plot v0.12.0 h1:y1ZNmfz/xHuHvtgFe8USZVyykQo5ERXPnspQNVK15Og=
+gonum.org/v1/plot v0.12.0/go.mod h1:PgiMf9+3A3PnZdJIciIXmyN1FwdAA6rXELSN761oQkw=
 google.golang.org/appengine v1.6.7 h1:FZR1q0exgwxzPzp/aF+VccGrSfxfPpkBqjIIEq3ru6c=
 google.golang.org/appengine v1.6.7/go.mod h1:8WjMMxjGQR8xUklV/ARdw2HLXBOI7O7uCIDZVag1xfc=
 google.golang.org/protobuf v1.26.0-rc.1/go.mod h1:jlhhOSvTdKEhbULTjvd4ARK9grFBp09yW+WbY/TyQbw=
@@ -129,3 +193,5 @@ gopkg.in/yaml.v2 v2.2.8 h1:obN1ZagJSUGI0Ek/LBmuj4SNLPfIny3KsKFopxRdj10=
 gopkg.in/yaml.v2 v2.2.8/go.mod h1:hI93XBmqTisBFMUTm0b8Fm+jr3Dg1NNxqwp+5A1VGuI=
 gopkg.in/yaml.v3 v3.0.0-20200313102051-9f266ea9e77c h1:dUUwHk2QECo/6vqA44rthZ8ie2QXMNeKRTHCNY2nXvo=
 gopkg.in/yaml.v3 v3.0.0-20200313102051-9f266ea9e77c/go.mod h1:K4uyk7z7BCEPqu6E+C64Yfv1cQ7kz7rIZviUmN+EgEM=
+honnef.co/go/tools v0.1.3/go.mod h1:NgwopIslSNH47DimFoV78dnkksY2EFtX0ajyb3K/las=
+rsc.io/pdf v0.1.1 h1:k1MczvYDUvJBe93bYd7wrZLLUEcLZAuF824/I4e5Xr4=
--- a/meta/meta.go
+++ b/meta/meta.go
@@ -0,0 +1,14 @@
+package meta
+
+import (
+	"fmt"
+	"runtime"
+)
+
+func MemInfo() string {
+	stats := runtime.MemStats{}
+	runtime.ReadMemStats(&stats)
+
+	return fmt.Sprintf("%.1fMb", float64(stats.Alloc)/1024.0/1024.0)
+
+}
--- a/version/version.go
+++ b/version/version.go
@@ -2,15 +2,17 @@ package version

 import (
 	"context"
+	"fmt"
+	"strings"
 	"sync"

 	"github.com/google/go-github/v44/github"
 	"golang.org/x/mod/semver"
 )

-const Tag = "v0.0.22"
+const Tag = "v0.0.35"

-var versionInfo struct {
+type Info struct {
 	Local struct {
 		Tag string
 	}
@@ -18,51 +20,58 @@ var versionInfo struct {
 		Valid bool
 		Tag   string
 	}
-	m sync.Mutex
+	UpgradeReleaseNotes string
+	m                   sync.Mutex
 }

+var VersionInfo Info
+
 func init() {
-	versionInfo.Remote.Valid = false
-	versionInfo.Local.Tag = Tag
+	VersionInfo.Remote.Valid = false
+	VersionInfo.Local.Tag = Tag
 }

-func Is() string {
-	return versionInfo.Local.Tag
-}
-
-func UpgradeAvailable() (bool, string) {
-	versionInfo.m.Lock()
-	defer versionInfo.m.Unlock()
-	if !versionInfo.Remote.Valid {
-		return false, ""
+func (vi *Info) UpgradeAvailable() bool {
+	vi.m.Lock()
+	defer vi.m.Unlock()
+	if !vi.Remote.Valid {
+		return false
 	}
-	if semver.Compare(versionInfo.Local.Tag, versionInfo.Remote.Tag) < 0 {
-		return true, versionInfo.Remote.Tag
+	if semver.Compare(vi.Local.Tag, vi.Remote.Tag) < 0 {
+		return true
 	}
-	return false, ""
+	return false
 }

-func UpgradeAvailableString() string {
-	upgrade, ver := UpgradeAvailable()
-	if upgrade {
-		return ver
-	}
-	return ""
-}
-
-func UpdateVersionInfo() {
+func (vi *Info) UpdateVersionInfo() {
 	client := github.NewClient(nil)

 	rels, _, err := client.Repositories.ListReleases(context.Background(), "tardisx", "linkwallet", nil)
 	if err != nil {
-		panic(err)
+		return
 	}
 	if len(rels) == 0 {
 		return
 	}
-	versionInfo.m.Lock()
-	versionInfo.Remote.Tag = *rels[0].TagName
-	versionInfo.Remote.Valid = true
-	versionInfo.m.Unlock()
+
+	vi.m.Lock()
+	vi.Remote.Tag = *rels[0].TagName
+	vi.Remote.Valid = true
+	vi.UpgradeReleaseNotes = ""
+	for _, r := range rels {
+		if semver.Compare(VersionInfo.Local.Tag, *r.TagName) < 0 {
+			vi.UpgradeReleaseNotes += fmt.Sprintf("*Version %s*\n\n", *r.TagName)
+			bodyLines := strings.Split(*r.Body, "\n")
+			for _, l := range bodyLines {
+				if strings.Index(l, "#") == 0 && strings.Contains(l, "Changelog") {
+					// do nothing, ignore the changelog heading
+				} else {
+					vi.UpgradeReleaseNotes += l + "\n"
+				}
+			}
+		}
+	}
+
+	vi.m.Unlock()

 }
--- a/web/templates/_layout.html
+++ b/web/templates/_layout.html
@@ -34,13 +34,12 @@
    </div>
    <div class="top-bar-right">
      <ul class="menu">
-        {{ if newVersion }}
        <li>
-          <div><a href="https://github.com/tardisx/linkwallet/releases/tag/{{ newVersion }}">{{ newVersion }} available</a></div>
-        </li>
-        {{ end }}
-        <li class="menu-text">
-          {{ version }}
+          <a href="/info">{{ version.Local.Tag }}
+            {{ if version.UpgradeAvailable }}
+            ❗
+            {{ end }}
+          </a>
        </li>
        <li>
          <a href="https://github.com/tardisx/linkwallet">
@@ -64,6 +63,8 @@
      {{ template "config.html" . }}
      {{ else if eq .page "edit" }}
      {{ template "edit.html" . }}
+      {{ else if eq .page "info" }}
+      {{ template "info.html" . }}
      {{ end }}
      {{/* template "foundation_sample.html" . */}}
    </div>
--- a/web/templates/add_url_form.html
+++ b/web/templates/add_url_form.html
@@ -1,24 +1,24 @@
 <div class="large-8 medium-8 cell" id="add-url-form" >
    <div>
        <h5 style="display:inline-block;">Add a new URL</h5>
-        <p  style="display:inline-block;">[<a hx-get="/bulk_add" hx-target="#add-url-form" href="#">bulk add</a>]</h5>
+        <div  style="display:inline-block;">[<a hx-get="/bulk_add" hx-swap="outerHTML" hx-target="#add-url-form" href="#">bulk add</a>]</div></h5>
    </div>

    <form onsubmit="return false">
        <div class="grid-x grid-padding-x">
-            <div class="large-6 cell">
+            <div class="medium-6 cell">
                <label>URL</label>
                <input type="text" name="url" value="{{ .url }}"
                      hx-trigger=""
                />
            </div>
-            <div class="large-6 cell">
+            <div class="medium-6 cell">
                {{ template "tags_widget.html" . }}
            </div>
        </div>
        <div class="grid-x grid-padding-x">
            <div class="medium-6 cell">
-                <a href="#" class="button" hx-post="/add"
+                <a href="#" class="button"  hx-post="/add"
                hx-target="#add-url-form">add</a>
            </div>
        </div>
--- a/web/templates/add_url_form_bulk.html
+++ b/web/templates/add_url_form_bulk.html
@@ -1,14 +1,13 @@
 <div class="large-8 medium-8 cell" id="add-url-form" >
    <div>
        <h5 style="display:inline-block;">Add bulk URLs</h5>
-        <p  style="display:inline-block;">[<a hx-get="/single_add" hx-target="#add-url-form" href="#">single add</a>]</h5>
-    </div>    <form onsubmit="return false">
+        <p  style="display:inline-block;">[<a hx-get="/single_add" hx-swap="outerHTML" hx-target="#add-url-form" href="#">single add</a>]</h5>
+    </div> 
+    <form onsubmit="return false">
        <div class="grid-x grid-padding-x">
            <div class="large-12 cell">
                <label>Paste URL's, one per line</label>
-                <textarea type="text" name="urls"  rows="10"
-                        ></textarea>
-                 
+                <textarea type="text" name="urls"  rows="10"></textarea>
            </div>
        </div>
        <button 
--- a/web/templates/edit_form.html
+++ b/web/templates/edit_form.html
@@ -14,7 +14,7 @@
            <td>{{ .bookmark.URL }}</td>
        </tr>
        <tr>
-            <th>tags</th>
+            <th>Tags</th>
            <td>
                {{ template "tags_widget.html" .tw }}
            </td>
@@ -30,7 +30,10 @@
        </tr>
    </table>
    <p>
-        <button type="button" hx-confirm="Delete this bookmark permanently?" hx-delete="/edit/{{.bookmark.ID}}" class="alert button">delete</button>
-        <button type="button" class="button" hx-post="/edit/{{.bookmark.ID}}">save</button>
+        <button type="button" hx-confirm="Delete this bookmark permanently?" hx-delete="/edit/{{.bookmark.ID}}" class="alert button">Delete</button>
+        <button type="button" class="button" hx-indicator="#saving" hx-post="/edit/{{.bookmark.ID}}"> {{ if .saved }} Saved {{ else }} Save {{ end }}</button>
+        <span id="saving" class="htmx-indicator">
+            <img style="height:1em;" src="/assets/image/beating.gif" /> Saving...
+        </span>
    </p>
 </form>
--- a/web/templates/info.html
+++ b/web/templates/info.html
@@ -0,0 +1,38 @@
+<div class="grid-x grid-padding-x">
+    <div class="large-6 medium-12 cell">
+
+        <h5>System information</h5>
+        <table>
+            <tr><th>Memory in use</th><td>{{ meminfo }}</td></tr>
+            <tr><th>Database disk size</th><td>{{ niceSizeMB .stats.FileSize }}Mb</td></tr>
+            <tr><th>Bookmarks</th><td>{{ .stats.MostRecentBookmarkInfo.Bookmarks }}</td></tr>
+            <tr><th>Words in index</th><td>{{ .stats.MostRecentBookmarkInfo.IndexedWords }}</td></tr>
+            <tr><th>Total searches</th><td>{{ .stats.Searches }}</td></tr>
+        </table>
+
+    </div>
+    <div class="large-6 medium-12 cell">
+
+        <h5>Release info</h5>
+        {{ if not version.Remote.Valid }}
+        <p>GitHub version information not yet fetched.</p>
+        {{ else }}
+        {{ if version.UpgradeAvailable }}
+        <p>
+            A new version is available: 
+            <a href="https://github.com/tardisx/linkwallet/releases/tag/{{ version.Remote.Tag }}">
+                {{ version.Remote.Tag }}
+            </a>
+            (you have {{ version.Local.Tag }}).
+        </p>
+
+        {{ markdown version.UpgradeReleaseNotes }}
+
+        {{ else }}
+        <p>You are currently running the most recent version.</p>
+        {{ end }}
+        {{ end }}
+
+        <h5>Graph</h5>
+        <img src="/graph">
+</div>
--- a/web/templates/manage_results.html
+++ b/web/templates/manage_results.html
@@ -2,10 +2,10 @@
        <table id="manage-results">
            <tr>
                <th>&nbsp;</th>
-                <th hx-post="/manage/results?sort=title" hx-target="#manage-results">title/url</th>
+                {{ template "manage_results_column_header.html" .column.title }}
                <th>tags</th>
-                <th hx-post="/manage/results?sort=created" hx-target="#manage-results" class="show-for-large">created</th>
-                <th hx-post="/manage/results?sort=scraped" hx-target="#manage-results" class="show-for-large">scraped</th>
+                {{ template "manage_results_column_header.html" .column.created }}
+                {{ template "manage_results_column_header.html" .column.scraped }}
            </tr>
            {{ range .bookmarks }}
            <tr>
--- a/web/templates/manage_results_column_header.html
+++ b/web/templates/manage_results_column_header.html
@@ -0,0 +1,3 @@
+
+<th class="{{ .Class }}" hx-post="/manage/results?sort={{ .URLString }}" hx-target="#manage-results">{{ .Name }}&nbsp;{{ .TitleArrow }}
+</th>
--- a/web/templates/search.html
+++ b/web/templates/search.html
@@ -11,7 +11,7 @@
                <div class="large-12 cell">
                    <label>Free text</label>
                    <input type="text" name="query" placeholder="" hx-post="/search"
-                        hx-trigger="keyup changed delay:50ms, search" hx-target="#search-results"
+                        hx-trigger="keyup changed delay:250ms, search" hx-target="#search-results"
                        hx-indicator="#htmx-indicator-search" />
                </div>
            </div>
--- a/web/templates/tags_widget.html
+++ b/web/templates/tags_widget.html
@@ -1,15 +1,15 @@
 <div id="label-widget" >
    <div class="grid-x grid-padding-x">
-        <div class="small-9 medium-10 large-5 cell" 
+        <div class="small-6 cell" 
            hx-post="/tags"
            hx-target="#label-widget"
-            hx-trigger="change">
+            hx-trigger="change queue:first">
            <label for="tag-entry" 
                    class="">Tags</label>

            <input id="tag-entry" type="text" name="tag" placeholder="enter tags" />
        </div>
-        <div class="small-12 large-6 cell" id="tags-list">
+        <div class="small-6 cell" id="tags-list">
            {{ range .tags }}
            <a href="#"
               class=""
--- a/web/web.go
+++ b/web/web.go
@@ -14,12 +14,18 @@ import (

 	"github.com/tardisx/linkwallet/db"
 	"github.com/tardisx/linkwallet/entity"
+	"github.com/tardisx/linkwallet/meta"
 	"github.com/tardisx/linkwallet/version"

+	"github.com/gomarkdown/markdown"
 	"github.com/hako/durafmt"

 	"github.com/gin-contrib/gzip"
 	"github.com/gin-gonic/gin"
+
+	"gonum.org/v1/plot"
+	"gonum.org/v1/plot/plotter"
+	"gonum.org/v1/plot/vg"
 )

 //go:embed static/*
@@ -42,6 +48,29 @@ type Server struct {
 	bmm    *db.BookmarkManager
 }

+type ColumnInfo struct {
+	Name   string
+	Param  string
+	Sorted string
+	Class  string
+}
+
+func (c ColumnInfo) URLString() string {
+	if c.Sorted == "asc" {
+		return "-" + c.Param
+	}
+	return c.Param
+}
+
+func (c ColumnInfo) TitleArrow() string {
+	if c.Sorted == "asc" {
+		return "↑"
+	} else if c.Sorted == "desc" {
+		return "↓"
+	}
+	return ""
+}
+
 // Create creates a new web server instance and sets up routing.
 func Create(bmm *db.BookmarkManager, cmm *db.ConfigManager) *Server {

@@ -52,7 +81,16 @@ func Create(bmm *db.BookmarkManager, cmm *db.ConfigManager) *Server {
 	}

 	// templ := template.Must(template.New("").Funcs(template.FuncMap{"dict": dictHelper}).ParseFS(templateFiles, "templates/*.html"))
-	templ := template.Must(template.New("").Funcs(template.FuncMap{"nicetime": niceTime, "niceURL": niceURL, "join": strings.Join, "version": version.Is, "newVersion": version.UpgradeAvailableString}).ParseFS(templateFiles, "templates/*.html"))
+	templ := template.Must(template.New("").Funcs(
+		template.FuncMap{
+			"nicetime":   niceTime,
+			"niceURL":    niceURL,
+			"niceSizeMB": func(s int) string { return fmt.Sprintf("%.1f", float32(s)/1024/1024) },
+			"join":       strings.Join,
+			"version":    func() *version.Info { return &version.VersionInfo },
+			"meminfo":    meta.MemInfo,
+			"markdown":   func(s string) template.HTML { return template.HTML(string(markdown.ToHTML([]byte(s), nil, nil))) },
+		}).ParseFS(templateFiles, "templates/*.html"))

 	config, err := cmm.LoadConfig()
 	if err != nil {
@@ -100,6 +138,35 @@ func Create(bmm *db.BookmarkManager, cmm *db.ConfigManager) *Server {
 		allBookmarks, _ := bmm.Search(db.SearchOptions{Query: query, Tags: tags, Sort: sort})
 		meta := gin.H{"config": config, "bookmarks": allBookmarks}

+		colTitle := &ColumnInfo{Name: "Title/URL", Param: "title"}
+		colCreated := &ColumnInfo{Name: "Created", Param: "created", Class: "show-for-large"}
+		colScraped := &ColumnInfo{Name: "Scraped", Param: "scraped", Class: "show-for-large"}
+		if sort == "title" {
+			colTitle.Sorted = "asc"
+		}
+		if sort == "-title" {
+			colTitle.Sorted = "desc"
+		}
+		if sort == "scraped" {
+			colScraped.Sorted = "asc"
+		}
+		if sort == "-scraped" {
+			colScraped.Sorted = "desc"
+		}
+		if sort == "created" {
+			colCreated.Sorted = "asc"
+		}
+		if sort == "-created" {
+			colCreated.Sorted = "desc"
+		}
+
+		cols := gin.H{
+			"title":   colTitle,
+			"created": colCreated,
+			"scraped": colScraped,
+		}
+		meta["column"] = cols
+
 		c.HTML(http.StatusOK,
 			"manage_results.html", meta,
 		)
@@ -125,6 +192,13 @@ func Create(bmm *db.BookmarkManager, cmm *db.ConfigManager) *Server {
 	r.POST("/search", func(c *gin.Context) {
 		query := c.PostForm("query")

+		// no query, return an empty response
+		if len(query) == 0 {
+			c.Status(http.StatusNoContent)
+			c.Writer.Write([]byte{})
+			return
+		}
+
 		sr, err := bmm.Search(db.SearchOptions{Query: query})
 		data := gin.H{
 			"results": sr,
@@ -153,8 +227,16 @@ func Create(bmm *db.BookmarkManager, cmm *db.ConfigManager) *Server {
 			"bm":    bm,
 			"error": err,
 		}
+
+		if err != nil {
+			data["url"] = url
+			data["tags"] = tags
+			data["tags_hidden"] = c.PostForm("tags_hidden")
+		}
+
 		c.HTML(http.StatusOK, "add_url_form.html", data)
 	})
+
 	r.POST("/add_bulk", func(c *gin.Context) {
 		urls := c.PostForm("urls")

@@ -302,7 +384,7 @@ func Create(bmm *db.BookmarkManager, cmm *db.ConfigManager) *Server {
 		bmm.SaveBookmark(&bookmark)
 		bmm.UpdateIndexForBookmark(&bookmark) // because title may have changed

-		meta := gin.H{"page": "edit", "bookmark": bookmark, "tw": gin.H{"tags": bookmark.Tags, "tags_hidden": strings.Join(bookmark.Tags, "|")}}
+		meta := gin.H{"page": "edit", "bookmark": bookmark, "saved": true, "tw": gin.H{"tags": bookmark.Tags, "tags_hidden": strings.Join(bookmark.Tags, "|")}}

 		c.HTML(http.StatusOK,
 			"edit_form.html", meta,
@@ -327,6 +409,61 @@ func Create(bmm *db.BookmarkManager, cmm *db.ConfigManager) *Server {
 		)
 	})

+	r.GET("/info", func(c *gin.Context) {
+		dbStats, err := bmm.Stats()
+		if err != nil {
+			panic("could not load stats for info page")
+		}
+		meta := gin.H{"page": "info", "stats": dbStats, "config": config}
+		c.HTML(http.StatusOK,
+			"_layout.html", meta,
+		)
+	})
+
+	r.GET("/graph", func(c *gin.Context) {
+		p := plot.New()
+
+		dbStats, err := bmm.Stats()
+		if err != nil {
+			panic("could not load stats for graph page")
+		}
+
+		sortedKeys := make([]time.Time, 0)
+		for k := range dbStats.History {
+			sortedKeys = append(sortedKeys, k)
+		}
+		sort.Slice(sortedKeys, func(i, j int) bool {
+			return sortedKeys[i].Before(sortedKeys[j])
+		})
+
+		p.Title.Text = "Bookmarks over time"
+		p.X.Label.Text = "Date"
+		p.Y.Label.Text = "Bookmarks"
+
+		xTicks := plot.TimeTicks{Format: "2006-01-02"}
+		p.X.Tick.Marker = xTicks
+
+		pts := make(plotter.XYs, len(sortedKeys))
+		for i := range sortedKeys {
+			pts[i].X = float64(sortedKeys[i].Unix())
+			pts[i].Y = float64(dbStats.History[sortedKeys[i]].Bookmarks)
+		}
+
+		l, err := plotter.NewLine(pts)
+		if err != nil {
+			panic(err)
+		}
+		p.Add(l)
+
+		writerTo, _ := p.WriterTo(vg.Points(640), vg.Points(480), "png")
+		if err := p.Save(4*vg.Inch, 4*vg.Inch, "points.png"); err != nil {
+			panic(err)
+		}
+		c.Header("Content-Type", "image/png")
+		writerTo.WriteTo(c.Writer)
+
+	})
+
 	return server
 }

@@ -350,7 +487,10 @@ func cleanupTags(tags []string) []string {
 	keys := make(map[string]struct{})
 	for _, k := range tags {
 		if k != "" && k != "|" {
-			keys[strings.ToLower(k)] = struct{}{}
+			for _, subKey := range strings.Split(k, ",") {
+				subKey := strings.Trim(subKey, " ")
+				keys[strings.ToLower(subKey)] = struct{}{}
+			}
 		}
 	}
 	out := []string{}
@@ -374,6 +514,7 @@ func niceTime(t time.Time) timeVariations {
 		panic(err)
 	}
 	ago := durafmt.Parse(time.Since(t)).LimitFirstN(1).Format(units)
+	ago = strings.ReplaceAll(ago, " ", "")

 	return timeVariations{HumanDuration: ago}
 }
Author	SHA1	Message	Date
Justin Hawkins	8215eaa821	Add graph of bookmarks over time	2022-12-17 12:34:26 +10:30
Justin Hawkins	b7044c13f7	Neaten edit form	2022-12-17 11:05:04 +10:30
Justin Hawkins	62795261cb	Bump version	2022-12-17 11:04:52 +10:30
Justin Hawkins	c11ad6f6f7	Bump version	2022-08-21 17:07:23 +09:30
Justin Hawkins	1301fe9545	Clean up HTML	2022-08-21 17:02:14 +09:30
Justin Hawkins	03abcc1340	Show the number of searches ever performed, and increase the typing timeout on searching slightly.	2022-08-21 16:59:30 +09:30
Justin Hawkins	e8936beea0	Clean up wording	2022-08-21 13:47:53 +09:30
Justin Hawkins	f98df478bb	Show database file size on info page	2022-08-21 13:24:52 +09:30
Justin Hawkins	a03baca498	Do not search if query is empty	2022-08-21 10:56:15 +09:30
Justin Hawkins	1904bfd265	Provide indicator when editing bookmarks	2022-08-21 09:45:27 +09:30
Justin Hawkins	2d488ffdcc	Clean up logging	2022-08-21 09:45:10 +09:30
Justin Hawkins	f4c5834f0c	Bump version	2022-08-21 09:39:41 +09:30
Justin Hawkins	db72e8fb7d	Show database statstics on the info page.	2022-08-21 09:38:44 +09:30
Justin Hawkins	6f93f2ff50	Clean up release notes	2022-08-21 09:37:49 +09:30
Justin Hawkins	2913d510bd	Clean up logging	2022-08-21 09:36:50 +09:30
Justin Hawkins	8bd2c87fc6	Add documentation for docker upgrades	2022-08-21 09:15:34 +09:30
Justin Hawkins	ccf373b863	Record statistics on how many bookmarks and words are indexed, and the number of searches performed.	2022-08-20 23:44:47 +09:30
Justin Hawkins	c5957e38db	Bump version	2022-08-20 12:16:08 +09:30
Justin Hawkins	5be599589a	Show memory usage on the version page	2022-08-20 12:14:52 +09:30
Justin Hawkins	da970239a5	Improve notification for a new version, show release notes	2022-07-03 12:12:32 +09:30
Justin Hawkins	451335e17d	Capture release notes of all versions above currently running one	2022-06-10 13:17:00 +09:30
Justin Hawkins	6175c77478	Bump version	2022-06-10 11:24:29 +09:30
Justin Hawkins	742f42115f	Add error checking for URL validity	2022-06-10 11:23:55 +09:30
Justin Hawkins	9e7914c9a1	Space cells so that tags do not go on a new row.	2022-06-10 11:14:21 +09:30
Justin Hawkins	fe9d8e71f4	Bump version	2022-06-09 20:21:45 +09:30
Justin Hawkins	0c3bf0701d	Don't panic if we cannot fetch current version from github	2022-06-09 20:20:31 +09:30
Justin Hawkins	0bc777c6f1	Bump version	2022-06-09 19:56:21 +09:30
Justin Hawkins	2055bba5f0	Capture tag if URL added before tag submission, allow for tags to be comma separated.	2022-06-09 19:51:21 +09:30
Justin Hawkins	a2a1f9c06d	Fix some element positioning	2022-06-09 19:38:30 +09:30
Justin Hawkins	79280135a1	Bump version	2022-06-07 20:00:12 +09:30
Justin Hawkins	4422f3840e	Fix bug where column headings were displayed incorrectly on small screens	2022-06-07 19:59:33 +09:30
Justin Hawkins	ffcf7c0438	Bump version	2022-06-07 19:52:35 +09:30
Justin Hawkins	a910aac946	Add reversible column sorting, with sort direction indicators	2022-06-07 19:51:56 +09:30
Justin Hawkins	eed41aebbb	Neaten the formatting of durations	2022-06-07 16:45:03 +09:30