Start of blevification

This commit is contained in:
2025-04-25 23:57:04 +09:30
parent 3a5fc1d66d
commit 9b15528510
9 changed files with 289 additions and 316 deletions

View File

@@ -2,14 +2,11 @@ package content
import (
"log"
"strings"
"time"
"unicode"
"github.com/tardisx/linkwallet/entity"
"github.com/gocolly/colly"
snowballeng "github.com/kljensen/snowball/english"
)
func FetchPageInfo(bm entity.Bookmark) entity.PageInfo {
@@ -50,50 +47,50 @@ func FetchPageInfo(bm entity.Bookmark) entity.PageInfo {
return info
}
func Words(bm *entity.Bookmark) []string {
words := []string{}
// func Words(bm *entity.Bookmark) []string {
// words := []string{}
words = append(words, StringToStemmedSearchWords(bm.Info.RawText)...)
words = append(words, StringToStemmedSearchWords(bm.Info.Title)...)
words = append(words, StringToStemmedSearchWords(bm.URL)...)
return words
}
// words = append(words, StringToStemmedSearchWords(bm.Info.RawText)...)
// words = append(words, StringToStemmedSearchWords(bm.Info.Title)...)
// words = append(words, StringToStemmedSearchWords(bm.URL)...)
// return words
// }
// StringToStemmedSearchWords returns a list of stemmed words with stop words
// removed.
func StringToStemmedSearchWords(s string) []string {
words := []string{}
// // StringToStemmedSearchWords returns a list of stemmed words with stop words
// // removed.
// func StringToStemmedSearchWords(s string) []string {
// words := []string{}
words = append(words, stemmerFilter(stopwordFilter(tokenize(s)))...)
return words
}
// words = append(words, stemmerFilter(stopwordFilter(tokenize(s)))...)
// return words
// }
func tokenize(text string) []string {
return strings.FieldsFunc(text, func(r rune) bool {
// Split on any character that is not a letter or a number.
return !unicode.IsLetter(r) && !unicode.IsNumber(r)
})
}
// func tokenize(text string) []string {
// return strings.FieldsFunc(text, func(r rune) bool {
// // Split on any character that is not a letter or a number.
// return !unicode.IsLetter(r) && !unicode.IsNumber(r)
// })
// }
func stemmerFilter(tokens []string) []string {
r := make([]string, len(tokens))
for i, token := range tokens {
r[i] = snowballeng.Stem(token, false)
}
return r
}
// func stemmerFilter(tokens []string) []string {
// r := make([]string, len(tokens))
// for i, token := range tokens {
// r[i] = snowballeng.Stem(token, false)
// }
// return r
// }
var stopwords = map[string]struct{}{ // I wish Go had built-in sets.
"a": {}, "and": {}, "be": {}, "have": {}, "i": {},
"in": {}, "of": {}, "that": {}, "the": {}, "to": {},
}
// var stopwords = map[string]struct{}{ // I wish Go had built-in sets.
// "a": {}, "and": {}, "be": {}, "have": {}, "i": {},
// "in": {}, "of": {}, "that": {}, "the": {}, "to": {},
// }
func stopwordFilter(tokens []string) []string {
r := make([]string, 0, len(tokens))
for _, token := range tokens {
if _, ok := stopwords[token]; !ok {
r = append(r, token)
}
}
return r
}
// func stopwordFilter(tokens []string) []string {
// r := make([]string, 0, len(tokens))
// for _, token := range tokens {
// if _, ok := stopwords[token]; !ok {
// r = append(r, token)
// }
// }
// return r
// }

View File

@@ -47,45 +47,45 @@ func TestSimpleScrape(t *testing.T) {
}
}
func TestWords(t *testing.T) {
// func TestWords(t *testing.T) {
bm := entity.Bookmark{
// ID: 0,
// URL: "",
Info: entity.PageInfo{RawText: "the quick brown fox jumped over the lazy dog"},
// Tags: []string{},
}
words := Words(&bm)
if len(words) != 7 {
t.Errorf("got %d words not 7", len(words))
} else {
if words[0] != "quick" ||
words[1] != "brown" ||
words[2] != "fox" ||
words[3] != "jump" ||
words[4] != "over" ||
words[5] != "lazi" ||
words[6] != "dog" {
t.Error("incorrect words returned")
}
}
}
// bm := entity.Bookmark{
// // ID: 0,
// // URL: "",
// Info: entity.PageInfo{RawText: "the quick brown fox jumped over the lazy dog"},
// // Tags: []string{},
// }
// words := Words(&bm)
// if len(words) != 7 {
// t.Errorf("got %d words not 7", len(words))
// } else {
// if words[0] != "quick" ||
// words[1] != "brown" ||
// words[2] != "fox" ||
// words[3] != "jump" ||
// words[4] != "over" ||
// words[5] != "lazi" ||
// words[6] != "dog" {
// t.Error("incorrect words returned")
// }
// }
// }
func TestStemmer(t *testing.T) {
s := `quick quick fox 😂 smile http://google.com`
words1 := StringToStemmedSearchWords(s)
t.Log(words1)
if len(words1) != 7 {
t.Error("wrong number of words")
}
if words1[0] != "quick" ||
words1[1] != "quick" ||
words1[2] != "fox" ||
words1[3] != "smile" ||
words1[4] != "http" ||
words1[5] != "googl" ||
words1[6] != "com" {
t.Error("bad words")
}
// func TestStemmer(t *testing.T) {
// s := `quick quick fox 😂 smile http://google.com`
// words1 := StringToStemmedSearchWords(s)
// t.Log(words1)
// if len(words1) != 7 {
// t.Error("wrong number of words")
// }
// if words1[0] != "quick" ||
// words1[1] != "quick" ||
// words1[2] != "fox" ||
// words1[3] != "smile" ||
// words1[4] != "http" ||
// words1[5] != "googl" ||
// words1[6] != "com" {
// t.Error("bad words")
// }
}
// }