commit ced49c37235417af03af4f83532a33c6f11da925 Author: Katajisto Date: Fri Aug 1 19:56:49 2025 +0300 Initial diff --git a/.gitignore b/.gitignore new file mode 100644 index 0000000..80eb87f --- /dev/null +++ b/.gitignore @@ -0,0 +1,2 @@ +images +books.db diff --git a/crawler b/crawler new file mode 100755 index 0000000..3cd510d Binary files /dev/null and b/crawler differ diff --git a/go.mod b/go.mod new file mode 100644 index 0000000..87368e9 --- /dev/null +++ b/go.mod @@ -0,0 +1,53 @@ +module crawler + +go 1.23.0 + +toolchain go1.23.11 + +require ( + github.com/gin-gonic/gin v1.10.1 + github.com/gocolly/colly v1.2.0 + github.com/google/uuid v1.6.0 + github.com/mattn/go-sqlite3 v1.14.30 +) + +require ( + github.com/PuerkitoBio/goquery v1.10.3 // indirect + github.com/andybalholm/cascadia v1.3.3 // indirect + github.com/antchfx/htmlquery v1.3.4 // indirect + github.com/antchfx/xmlquery v1.4.4 // indirect + github.com/antchfx/xpath v1.3.3 // indirect + github.com/bytedance/sonic v1.11.6 // indirect + github.com/bytedance/sonic/loader v0.1.1 // indirect + github.com/cloudwego/base64x v0.1.4 // indirect + github.com/cloudwego/iasm v0.2.0 // indirect + github.com/gabriel-vasile/mimetype v1.4.3 // indirect + github.com/gin-contrib/sse v0.1.0 // indirect + github.com/go-playground/locales v0.14.1 // indirect + github.com/go-playground/universal-translator v0.18.1 // indirect + github.com/go-playground/validator/v10 v10.20.0 // indirect + github.com/gobwas/glob v0.2.3 // indirect + github.com/goccy/go-json v0.10.2 // indirect + github.com/golang/groupcache v0.0.0-20210331224755-41bb18bfe9da // indirect + github.com/golang/protobuf v1.5.2 // indirect + github.com/json-iterator/go v1.1.12 // indirect + github.com/kennygrant/sanitize v1.2.4 // indirect + github.com/klauspost/cpuid/v2 v2.2.7 // indirect + github.com/leodido/go-urn v1.4.0 // indirect + github.com/mattn/go-isatty v0.0.20 // indirect + github.com/modern-go/concurrent v0.0.0-20180306012644-bacd9c7ef1dd // indirect + github.com/modern-go/reflect2 v1.0.2 // indirect + github.com/pelletier/go-toml/v2 v2.2.2 // indirect + github.com/saintfish/chardet v0.0.0-20230101081208-5e3ef4b5456d // indirect + github.com/temoto/robotstxt v1.1.2 // indirect + github.com/twitchyliquid64/golang-asm v0.15.1 // indirect + github.com/ugorji/go/codec v1.2.12 // indirect + golang.org/x/arch v0.8.0 // indirect + golang.org/x/crypto v0.40.0 // indirect + golang.org/x/net v0.42.0 // indirect + golang.org/x/sys v0.34.0 // indirect + golang.org/x/text v0.27.0 // indirect + google.golang.org/appengine v1.6.8 // indirect + google.golang.org/protobuf v1.34.1 // indirect + gopkg.in/yaml.v3 v3.0.1 // indirect +) diff --git a/go.sum b/go.sum new file mode 100644 index 0000000..5335095 --- /dev/null +++ b/go.sum @@ -0,0 +1,186 @@ +github.com/PuerkitoBio/goquery v1.10.3 h1:pFYcNSqHxBD06Fpj/KsbStFRsgRATgnf3LeXiUkhzPo= +github.com/PuerkitoBio/goquery v1.10.3/go.mod h1:tMUX0zDMHXYlAQk6p35XxQMqMweEKB7iK7iLNd4RH4Y= +github.com/andybalholm/cascadia v1.3.3 h1:AG2YHrzJIm4BZ19iwJ/DAua6Btl3IwJX+VI4kktS1LM= +github.com/andybalholm/cascadia v1.3.3/go.mod h1:xNd9bqTn98Ln4DwST8/nG+H0yuB8Hmgu1YHNnWw0GeA= +github.com/antchfx/htmlquery v1.3.4 h1:Isd0srPkni2iNTWCwVj/72t7uCphFeor5Q8nCzj1jdQ= +github.com/antchfx/htmlquery v1.3.4/go.mod h1:K9os0BwIEmLAvTqaNSua8tXLWRWZpocZIH73OzWQbwM= +github.com/antchfx/xmlquery v1.4.4 h1:mxMEkdYP3pjKSftxss4nUHfjBhnMk4imGoR96FRY2dg= +github.com/antchfx/xmlquery v1.4.4/go.mod h1:AEPEEPYE9GnA2mj5Ur2L5Q5/2PycJ0N9Fusrx9b12fc= +github.com/antchfx/xpath v1.3.3 h1:tmuPQa1Uye0Ym1Zn65vxPgfltWb/Lxu2jeqIGteJSRs= +github.com/antchfx/xpath v1.3.3/go.mod h1:i54GszH55fYfBmoZXapTHN8T8tkcHfRgLyVwwqzXNcs= +github.com/bytedance/sonic v1.11.6 h1:oUp34TzMlL+OY1OUWxHqsdkgC/Zfc85zGqw9siXjrc0= +github.com/bytedance/sonic v1.11.6/go.mod h1:LysEHSvpvDySVdC2f87zGWf6CIKJcAvqab1ZaiQtds4= +github.com/bytedance/sonic/loader v0.1.1 h1:c+e5Pt1k/cy5wMveRDyk2X4B9hF4g7an8N3zCYjJFNM= +github.com/bytedance/sonic/loader v0.1.1/go.mod h1:ncP89zfokxS5LZrJxl5z0UJcsk4M4yY2JpfqGeCtNLU= +github.com/cloudwego/base64x v0.1.4 h1:jwCgWpFanWmN8xoIUHa2rtzmkd5J2plF/dnLS6Xd/0Y= +github.com/cloudwego/base64x v0.1.4/go.mod h1:0zlkT4Wn5C6NdauXdJRhSKRlJvmclQ1hhJgA0rcu/8w= +github.com/cloudwego/iasm v0.2.0 h1:1KNIy1I1H9hNNFEEH3DVnI4UujN+1zjpuk6gwHLTssg= +github.com/cloudwego/iasm v0.2.0/go.mod h1:8rXZaNYT2n95jn+zTI1sDr+IgcD2GVs0nlbbQPiEFhY= +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/gabriel-vasile/mimetype v1.4.3 h1:in2uUcidCuFcDKtdcBxlR0rJ1+fsokWf+uqxgUFjbI0= +github.com/gabriel-vasile/mimetype v1.4.3/go.mod h1:d8uq/6HKRL6CGdk+aubisF/M5GcPfT7nKyLpA0lbSSk= +github.com/gin-contrib/sse v0.1.0 h1:Y/yl/+YNO8GZSjAhjMsSuLt29uWRFHdHYUb5lYOV9qE= +github.com/gin-contrib/sse v0.1.0/go.mod h1:RHrZQHXnP2xjPF+u1gW/2HnVO7nvIa9PG3Gm+fLHvGI= +github.com/gin-gonic/gin v1.10.1 h1:T0ujvqyCSqRopADpgPgiTT63DUQVSfojyME59Ei63pQ= +github.com/gin-gonic/gin v1.10.1/go.mod h1:4PMNQiOhvDRa013RKVbsiNwoyezlm2rm0uX/T7kzp5Y= +github.com/go-playground/assert/v2 v2.2.0 h1:JvknZsQTYeFEAhQwI4qEt9cyV5ONwRHC+lYKSsYSR8s= +github.com/go-playground/assert/v2 v2.2.0/go.mod h1:VDjEfimB/XKnb+ZQfWdccd7VUvScMdVu0Titje2rxJ4= +github.com/go-playground/locales v0.14.1 h1:EWaQ/wswjilfKLTECiXz7Rh+3BjFhfDFKv/oXslEjJA= +github.com/go-playground/locales v0.14.1/go.mod h1:hxrqLVvrK65+Rwrd5Fc6F2O76J/NuW9t0sjnWqG1slY= +github.com/go-playground/universal-translator v0.18.1 h1:Bcnm0ZwsGyWbCzImXv+pAJnYK9S473LQFuzCbDbfSFY= +github.com/go-playground/universal-translator v0.18.1/go.mod h1:xekY+UJKNuX9WP91TpwSH2VMlDf28Uj24BCp08ZFTUY= +github.com/go-playground/validator/v10 v10.20.0 h1:K9ISHbSaI0lyB2eWMPJo+kOS/FBExVwjEviJTixqxL8= +github.com/go-playground/validator/v10 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h1:jlhhOSvTdKEhbULTjvd4ARK9grFBp09yW+WbY/TyQbw= +google.golang.org/protobuf v1.26.0/go.mod h1:9q0QmTI4eRPtz6boOQmLYwt+qCgq0jsYwAQnmE0givc= +google.golang.org/protobuf v1.34.1 h1:9ddQBjfCyZPOHPUiPxpYESBLc+T8P3E+Vo4IbKZgFWg= +google.golang.org/protobuf v1.34.1/go.mod h1:c6P6GXX6sHbq/GpV6MGZEdwhWPcYBgnhAHhKbcUYpos= +gopkg.in/check.v1 v0.0.0-20161208181325-20d25e280405 h1:yhCVgyC4o1eVCa2tZl7eS0r+SDo693bJlVdllGtEeKM= +gopkg.in/check.v1 v0.0.0-20161208181325-20d25e280405/go.mod h1:Co6ibVJAznAaIkqp8huTwlJQCZ016jof/cbN4VW5Yz0= +gopkg.in/yaml.v3 v3.0.0-20200313102051-9f266ea9e77c/go.mod h1:K4uyk7z7BCEPqu6E+C64Yfv1cQ7kz7rIZviUmN+EgEM= +gopkg.in/yaml.v3 v3.0.1 h1:fxVm/GzAzEWqLHuvctI91KS9hhNmmWOoWu0XTYJS7CA= +gopkg.in/yaml.v3 v3.0.1/go.mod h1:K4uyk7z7BCEPqu6E+C64Yfv1cQ7kz7rIZviUmN+EgEM= +nullprogram.com/x/optparse v1.0.0/go.mod h1:KdyPE+Igbe0jQUrVfMqDMeJQIJZEuyV7pjYmp6pbG50= +rsc.io/pdf v0.1.1/go.mod h1:n8OzWcQ6Sp37PL01nO98y4iUCRdTGarVfzxY20ICaU4= diff --git a/main.go b/main.go new file mode 100644 index 0000000..e7c4608 --- /dev/null +++ b/main.go @@ -0,0 +1,337 @@ +package main + +import ( + "database/sql" + "fmt" + "io" + "log" + "net/http" + "os" + "path/filepath" + "strconv" + "strings" + "time" + + "github.com/gin-gonic/gin" + "github.com/gocolly/colly" + "github.com/google/uuid" + _ "github.com/mattn/go-sqlite3" // SQLite driver +) + +// Book struct now includes boolean fields for read status +type Book struct { + ID int + Name string + ImagePath string + TuomasRead bool + JenniRead bool +} + +const dbFile = "books.db" +const imagesDir = "./images" + +func main() { + db, err := initDB() + if err != nil { + log.Fatal("Failed to initialize database:", err) + } + defer db.Close() + + ticker := time.NewTicker(6 * time.Hour) + go func() { + log.Println("Running initial crawl on startup...") + crawl_dua(db) + }() + go func() { + for t := range ticker.C { + log.Printf("Running scheduled crawl at %v", t) + crawl_dua(db) + } + }() + + startServer(db) +} + +// initDB now safely adds the new columns if they don't already exist. +func initDB() (*sql.DB, error) { + db, err := sql.Open("sqlite3", dbFile) + if err != nil { + return nil, err + } + + createTableSQL := `CREATE TABLE IF NOT EXISTS books ( + "id" INTEGER NOT NULL PRIMARY KEY AUTOINCREMENT, + "name" TEXT NOT NULL UNIQUE, + "image_path" TEXT + );` + + if _, err = db.Exec(createTableSQL); err != nil { + return nil, err + } + + // --- NEW: Safely add new columns for read status --- + addColumn(db, "books", "tuomas_read", "INTEGER DEFAULT 0") + addColumn(db, "books", "jenni_read", "INTEGER DEFAULT 0") + // --- END NEW --- + + log.Println("Database initialized successfully.") + return db, nil +} + +// --- NEW: Helper function to add a column only if it doesn't already exist. --- +func addColumn(db *sql.DB, tableName, columnName, columnType string) { + rows, err := db.Query(fmt.Sprintf("PRAGMA table_info(%s)", tableName)) + if err != nil { + log.Printf("Error checking table info for %s: %v", tableName, err) + return + } + defer rows.Close() + + for rows.Next() { + var cid, notnull, pk int + var name, type_ string + var dflt_value sql.NullString + if err := rows.Scan(&cid, &name, &type_, ¬null, &dflt_value, &pk); err != nil { + log.Printf("Error scanning table info row: %v", err) + return + } + if name == columnName { + return // Column already exists, do nothing. + } + } + + log.Printf("Column '%s' not found. Adding it to table '%s'.", columnName, tableName) + _, err = db.Exec(fmt.Sprintf("ALTER TABLE %s ADD COLUMN %s %s", tableName, columnName, columnType)) + if err != nil { + log.Printf("Failed to add column '%s' to table '%s': %v", columnName, tableName, err) + } else { + log.Printf("Successfully added column '%s'.", columnName) + } +} + +// --- END NEW --- + +func startServer(db *sql.DB) { + r := gin.Default() + + r.Static("/images", imagesDir) + r.LoadHTMLGlob("templates/*.html") + + r.GET("/", func(c *gin.Context) { + books, err := getAllBooks(db) + if err != nil { + c.JSON(http.StatusInternalServerError, gin.H{"error": "Failed to retrieve books"}) + return + } + c.HTML(http.StatusOK, "books.html", gin.H{ + "books": books, + }) + }) + + // --- NEW: Endpoint to handle updating the read status --- + r.POST("/books/:id/update", func(c *gin.Context) { + idStr := c.Param("id") + var payload struct { + Person string `json:"person"` + Read bool `json:"read"` + } + + if err := c.ShouldBindJSON(&payload); err != nil { + c.JSON(http.StatusBadRequest, gin.H{"error": "Invalid request payload"}) + return + } + + bookID, err := strconv.Atoi(idStr) + if err != nil { + c.JSON(http.StatusBadRequest, gin.H{"error": "Invalid book ID"}) + return + } + + err = updateReadStatus(db, bookID, payload.Person, payload.Read) + if err != nil { + log.Printf("Error updating status for book %d: %v", bookID, err) + c.JSON(http.StatusInternalServerError, gin.H{"error": "Failed to update status"}) + return + } + + c.JSON(http.StatusOK, gin.H{"status": "success", "person": payload.Person, "read": payload.Read}) + }) + // --- END NEW --- + + log.Println("Starting server on http://localhost:8080/books") + r.Run(":8080") +} + +// --- NEW: Function to update the read status in the database --- +func updateReadStatus(db *sql.DB, bookID int, person string, read bool) error { + var columnName string + switch strings.ToLower(person) { + case "tuomas": + columnName = "tuomas_read" + case "jenni": + columnName = "jenni_read" + default: + return fmt.Errorf("invalid person specified: %s", person) + } + + updateSQL := fmt.Sprintf("UPDATE books SET %s = ? WHERE id = ?", columnName) + statement, err := db.Prepare(updateSQL) + if err != nil { + return err + } + defer statement.Close() + + _, err = statement.Exec(read, bookID) + log.Printf("Updated book %d for %s, set read status to %v", bookID, person, read) + return err +} + +// --- END NEW --- + +// Modified crawl_dua to not require the ticker argument +func crawl_dua(db *sql.DB) { + // The main page is a better starting point to find all books + currenturl := "https://www.service95.com/book-club/" + + if err := os.MkdirAll(imagesDir, os.ModePerm); err != nil { + log.Println("Error creating images directory:", err) + } + + c := colly.NewCollector( + colly.AllowedDomains("www.service95.com"), + colly.MaxDepth(1), // Only visit links on the main page + ) + + bookCollector := c.Clone() + + // Find links to individual book pages + c.OnHTML("a[href*='/books/']", func(e *colly.HTMLElement) { + link := e.Attr("href") + // Make sure it's a valid book link and not something else + if strings.Contains(link, "/books/") { + bookCollector.Visit(e.Request.AbsoluteURL(link)) + } + }) + + c.OnRequest(func(r *colly.Request) { + fmt.Println("Visiting", r.URL) + }) + + // On the book page, extract the details + bookCollector.OnHTML(`div.book-page`, func(e *colly.HTMLElement) { + title := e.ChildText("h1") + imgSrc := e.ChildAttr("img", "src") + var month string + e.ForEachWithBreak("p", func(_ int, el *colly.HTMLElement) bool { + if strings.Contains(el.Text, "Monthly") { + month = el.Text + return false // stop iterating + } + return true // continue iterating + }) + + if title == "" || month == "" || !strings.Contains(imgSrc, "uploads") { + return + } + + exists, err := bookExists(db, title) + if err != nil { + log.Printf("Error checking if book '%s' exists: %v", title, err) + return + } + if exists { + return // Silently skip if already exists + } + + absoluteImgURL := e.Request.AbsoluteURL(imgSrc) + localImagePath, err := downloadImage(absoluteImgURL) + if err != nil { + log.Printf("Failed to download image for '%s': %v", title, err) + return + } + + newBook := Book{Name: title, ImagePath: localImagePath} + err = addBook(db, newBook) + if err != nil { + log.Printf("Failed to add book '%s' to database: %v", title, err) + } else { + log.Printf("Successfully added book: %s", title) + } + }) + + c.Visit(currenturl) + c.Wait() + bookCollector.Wait() +} + +func downloadImage(url string) (string, error) { + response, err := http.Get(url) + if err != nil { + return "", err + } + defer response.Body.Close() + + if response.StatusCode != http.StatusOK { + return "", fmt.Errorf("received non-200 response code: %d", response.StatusCode) + } + + // Use a UUID to prevent filename collisions + id := uuid.New().String() + filepath.Ext(url) + localPath := filepath.Join(imagesDir, id) + file, err := os.Create(localPath) + if err != nil { + return "", err + } + defer file.Close() + + _, err = io.Copy(file, response.Body) + if err != nil { + return "", err + } + + return "/" + filepath.ToSlash(localPath), nil +} + +func addBook(db *sql.DB, book Book) error { + // The new columns have default values, so we don't need to specify them here. + insertSQL := `INSERT INTO books (name, image_path) VALUES (?, ?)` + statement, err := db.Prepare(insertSQL) + if err != nil { + return err + } + defer statement.Close() + _, err = statement.Exec(book.Name, book.ImagePath) + return err +} + +func bookExists(db *sql.DB, name string) (bool, error) { + var count int + query := `SELECT COUNT(*) FROM books WHERE name = ?` + err := db.QueryRow(query, name).Scan(&count) + if err != nil { + return false, err + } + return count > 0, nil +} + +// getAllBooks now retrieves the read status as well. +func getAllBooks(db *sql.DB) ([]Book, error) { + // --- UPDATED: Select the new columns --- + query := "SELECT id, name, image_path, tuomas_read, jenni_read FROM books ORDER BY id DESC" + rows, err := db.Query(query) + if err != nil { + return nil, err + } + defer rows.Close() + + var books []Book + for rows.Next() { + var b Book + // --- UPDATED: Scan the new columns into the struct --- + if err := rows.Scan(&b.ID, &b.Name, &b.ImagePath, &b.TuomasRead, &b.JenniRead); err != nil { + return nil, err + } + books = append(books, b) + } + return books, nil +} diff --git a/templates/books.html b/templates/books.html new file mode 100644 index 0000000..31fa75f --- /dev/null +++ b/templates/books.html @@ -0,0 +1,94 @@ + + + + + + Dua's Book Club + + + +
+

Dua's Book Club

+
+ {{range .books}} +
+ Cover of {{.Name}} +
+

{{.Name}}

+
+ + +
+
+
+ {{end}} +
+
+ + + + + +