feat(template): add multi page upload capability

internal/database/svgpagedb.go

@@ -0,0 +1,118 @@
+package database
+
+import (
+	"encoding/json"
+
+	"tomatentum.net/svg-templater/pkg/svg"
+)
+
+func AddPage(page svg.TemplatePage) {
+
+}
+
+func DeletePage(templateID string, page int) {
+
+}
+
+const SVGPAGETABLECREATE string = `
+	CREATE TABLE IF NOT EXISTS svgpage (
+		id varchar(16) NOT NULL,
+		page int NOT NULL,
+		templatekeys longtext NOT NULL,
+		PRIMARY KEY (id, page)
+	);`
+
+const INSERTSVGPAGESQL string = "INSERT INTO svgpage VALUES (?, ?, ?);"
+const GETSPECIFICSVGPAGESSQL string = "SELECT * FROM svgpage WHERE id = ?;"
+const DELETESVGPAGESQL string = "DELETE FROM svgpage WHERE id = ? AND page = ?;"
+const DELETEALLSVGPAGESQL string = "DELETE FROM svgpage WHERE id = ?;"
+const COUNTSVGPAGESQL string = "SELECT COUNT(*) FROM svgpage WHERE id = ?;"
+
+func InsertSVGPage(data *svg.TemplatePage) (int, error) {
+	json, err := json.Marshal(data.TemplateKeys)
+	if err != nil {
+		return 0, err
+	}
+
+	count, err := GetPageCount(data.TemplateId)
+
+	if err != nil {
+		return 0, err
+	}
+
+	if _, err := database.Exec(INSERTSVGPAGESQL, data.TemplateId, count+1, string(json)); err != nil {
+		return 0, err
+	}
+
+	return count + 1, nil
+}
+
+func GetSVGPages(id string) ([]svg.TemplatePage, error) {
+	res, err := database.Query(GETSPECIFICSVGPAGESSQL, id)
+
+	if err != nil {
+		return nil, err
+	}
+	defer res.Close()
+	pages := make([]svg.TemplatePage, 0)
+	for res.Next() {
+		var (
+			id       string
+			page     int
+			keysjson []byte
+			keys     []string
+		)
+		if err := res.Scan(&id, &page, &keysjson); err != nil {
+			return nil, err
+		}
+		if err := json.Unmarshal(keysjson, &keys); err != nil {
+			return nil, err
+		}
+		pages = append(pages, svg.TemplatePage{TemplateId: id, Page: page, TemplateKeys: keys})
+	}
+	return pages, nil
+}
+
+func DeleteSVGPage(id string, page int) (bool, error) {
+	res, err := database.Exec(DELETESVGPAGESQL, id, page)
+	if err != nil {
+		return false, err
+	}
+	num, err := res.RowsAffected()
+	if err != nil {
+		return false, err
+	}
+
+	if num == 0 {
+		return false, nil
+	}
+	return true, nil
+}
+
+func DeleteAllSVGPages(id string) (bool, error) {
+	res, err := database.Exec(DELETEALLSVGPAGESQL, id)
+	if err != nil {
+		return false, err
+	}
+	num, err := res.RowsAffected()
+	if err != nil {
+		return false, err
+	}
+
+	if num == 0 {
+		return false, nil
+	}
+	return true, nil
+}
+
+func GetPageCount(id string) (int, error) {
+	res := database.QueryRow(COUNTSVGPAGESQL, id)
+
+	var count int
+
+	if err := res.Scan(&count); err != nil {
+		return 0, err
+	}
+
+	return count, nil
+}