From c43a7cb154f9854dbd739646cffad51bda3fe8ab Mon Sep 17 00:00:00 2001
From: Hazel Noack <hazel@webcontact.de>
Date: Thu, 17 Jul 2025 16:41:50 +0200
Subject: [PATCH] added base thing

---
 go.mod                       |  3 ++
 internal/data/album.go       |  1 +
 internal/data/song.go        | 15 +++++++++
 internal/data/source.go      | 61 ++++++++++++++++++++++++++++++++++++
 internal/data/source_test.go | 40 +++++++++++++++++++++++
 main.go                      | 12 +++++++
 6 files changed, 132 insertions(+)
 create mode 100644 go.mod
 create mode 100644 internal/data/album.go
 create mode 100644 internal/data/song.go
 create mode 100644 internal/data/source.go
 create mode 100644 internal/data/source_test.go
 create mode 100644 main.go

diff --git a/go.mod b/go.mod
new file mode 100644
index 0000000..ae32033
--- /dev/null
+++ b/go.mod
@@ -0,0 +1,3 @@
+module gitea.elara.ws/Hazel/music-kraken
+
+go 1.24.2
diff --git a/internal/data/album.go b/internal/data/album.go
new file mode 100644
index 0000000..0ad59c2
--- /dev/null
+++ b/internal/data/album.go
@@ -0,0 +1 @@
+package data
diff --git a/internal/data/song.go b/internal/data/song.go
new file mode 100644
index 0000000..a36d6be
--- /dev/null
+++ b/internal/data/song.go
@@ -0,0 +1,15 @@
+package data
+
+type Song struct {
+	Id int
+
+	Name        string
+	UnifiedName string
+	Isrc        string
+	Genre       string
+	Note        string
+	Tracksort   int
+	Artwork     string
+
+	Sources []Source
+}
diff --git a/internal/data/source.go b/internal/data/source.go
new file mode 100644
index 0000000..f548340
--- /dev/null
+++ b/internal/data/source.go
@@ -0,0 +1,61 @@
+package data
+
+import (
+	"errors"
+	"regexp"
+)
+
+type SourceType struct {
+	Name  string
+	Regex regexp.Regexp
+}
+
+var SourceTypes = []SourceType{
+	{Name: "Youtube", Regex: *regexp.MustCompile(`(?i)\b(?:https?:\/\/)?(?:www\.)?(?:youtube\.com\/(?:[^\/\n\s]+\/\S+\/|(?:v|e(?:mbed)?)\/|\S*?[?&]v=)|youtu\.be\/)([a-zA-Z0-9_-]{11})\b`)},
+}
+
+func GetSourceType(name string) *SourceType {
+	for i, st := range SourceTypes {
+		if st.Name == name {
+			return &SourceTypes[i]
+		}
+	}
+	panic("couldn't find source type for " + name)
+}
+
+type Source struct {
+	Url  string
+	Type *SourceType
+}
+
+func (st *SourceType) NewSource(url string) (Source, error) {
+	var err error = nil
+	if !st.Regex.MatchString(url) {
+		err = errors.New("url " + url + " didn't match source " + st.Name)
+	}
+
+	return Source{
+		Url:  url,
+		Type: st,
+	}, err
+}
+
+func NewSource(url string) (Source, error) {
+	var st *SourceType = nil
+
+	for i, source := range SourceTypes {
+		if source.Regex.MatchString(url) {
+			st = &SourceTypes[i]
+			break
+		}
+	}
+
+	if st == nil {
+		return Source{}, errors.New("couldn't find a source type for the url " + url)
+	}
+
+	return Source{
+		Url:  url,
+		Type: st,
+	}, nil
+}
diff --git a/internal/data/source_test.go b/internal/data/source_test.go
new file mode 100644
index 0000000..1d3f7b4
--- /dev/null
+++ b/internal/data/source_test.go
@@ -0,0 +1,40 @@
+package data
+
+import (
+	"testing"
+)
+
+func TestYouTube(t *testing.T) {
+	validUrls := []string{
+		"https://www.youtube.com/watch?v=dQw4w9WgXcQ",
+		"http://youtube.com/watch?v=dQw4w9WgXcQ",
+		"https://youtu.be/dQw4w9WgXcQ",
+		"www.youtube.com/watch?v=dQw4w9WgXcQ",
+		"youtube.com/watch?v=dQw4w9WgXcQ",
+		"youtu.be/dQw4w9WgXcQ",
+		"https://www.youtube.com/embed/dQw4w9WgXcQ",
+		"https://www.youtube.com/v/dQw4w9WgXcQ",
+		"https://www.youtube.com/watch?feature=player_embedded&v=dQw4w9WgXcQ",
+		"https://m.youtube.com/watch?v=dQw4w9WgXcQ",
+	}
+	invalidUrls := []string{
+		"invalid.url",
+		"https://example.com/notyoutube",
+	}
+
+	st := GetSourceType("Youtube")
+
+	for _, u := range validUrls {
+		_, err := st.NewSource(u)
+		if err != nil {
+			t.Errorf(`%q is a valid YouTube url`, u)
+		}
+	}
+
+	for _, u := range invalidUrls {
+		_, err := st.NewSource(u)
+		if err == nil {
+			t.Errorf(`%q is an invalid YouTube url`, u)
+		}
+	}
+}
diff --git a/main.go b/main.go
new file mode 100644
index 0000000..7aed47f
--- /dev/null
+++ b/main.go
@@ -0,0 +1,12 @@
+package main
+
+import (
+	"fmt"
+
+	"gitea.elara.ws/Hazel/music-kraken/internal/data"
+)
+
+func main() {
+	fmt.Println("music kraken")
+	data.GetSourceType("Youtube")
+}