HOLY REFACTOR GOOD GRIEF (also finally started some CRUD work)

Signed-off-by: ari melody <ari@arimelody.me>

music/controller/link.go

@@ -0,0 +1,68 @@
+package music
+
+import (
+    "arimelody.me/arimelody.me/music/model"
+    "github.com/jmoiron/sqlx"
+)
+
+// DATABASE
+
+func PullReleaseLinks(db *sqlx.DB, releaseID string) ([]model.Link, error) {
+    var links = []model.Link{}
+
+    err := db.Select(
+        &links,
+        "SELECT * FROM musiclink WHERE release=$1",
+        releaseID,
+    )
+    if err != nil {
+        return nil, err
+    }
+
+    return links, nil
+}
+
+func CreateLinkDB(db *sqlx.DB, releaseID string, link *model.Link) (error) {
+    _, err := db.Exec(
+        "INSERT INTO musiclink (release, name, url) "+
+        "VALUES ($1, $2, $3)",
+        releaseID,
+        link.Name,
+        link.URL,
+    )
+    if err != nil {
+        return err
+    }
+
+    return nil
+}
+
+func UpdateLinkDB(db *sqlx.DB, releaseID string, link *model.Link) (error) {
+    _, err := db.Exec(
+        "UPDATE musiclink SET "+
+        "name=$2, url=$3 "+
+        "WHERE release=$1",
+        releaseID,
+        link.Name,
+        link.URL,
+    )
+    if err != nil {
+        return err
+    }
+
+    return nil
+}
+
+func DeleteLinkDB(db *sqlx.DB, releaseID string, link *model.Link) (error) {
+    _, err := db.Exec(
+        "DELETE FROM musiclink "+
+        "WHERE release=$1, name=$2",
+        releaseID,
+        link.Name,
+    )
+    if err != nil {
+        return err
+    }
+
+    return nil
+}