fix: set default play_count to 0

IncPlayCount was not incrementing when the annotation already existed with play_count = null

db/db.go

@@ -6,7 +6,7 @@ import (
 	"sync"
 
 	"github.com/deluan/navidrome/conf"
-	_ "github.com/deluan/navidrome/db/migrations"
+	_ "github.com/deluan/navidrome/db/migration"
 	"github.com/deluan/navidrome/log"
 	_ "github.com/mattn/go-sqlite3"
 	"github.com/pressly/goose"

db/migration/20200130083147_create_schema.go

@@ -1,4 +1,4 @@
-package migrations
+package migration
 
 import (
 	"database/sql"

db/migration/20200131183653_standardize_item_type.go

@@ -1,4 +1,4 @@
-package migrations
+package migration
 
 import (
 	"database/sql"

db/migration/20200208222418_add_defaults_to_annotations.go

@@ -0,0 +1,56 @@
+package migration
+
+import (
+	"database/sql"
+
+	"github.com/pressly/goose"
+)
+
+func init() {
+	goose.AddMigration(Up20200208222418, Down20200208222418)
+}
+
+func Up20200208222418(tx *sql.Tx) error {
+	_, err := tx.Exec(`
+update annotation set play_count = 0 where play_count is null;
+update annotation set rating = 0 where rating is null;
+create table annotation_dg_tmp
+(
+	ann_id varchar(255) not null
+		primary key,
+	user_id varchar(255) default '' not null,
+	item_id varchar(255) default '' not null,
+	item_type varchar(255) default '' not null,
+	play_count integer default 0,
+	play_date datetime,
+	rating integer default 0,
+	starred bool default FALSE not null,
+	starred_at datetime,
+	unique (user_id, item_id, item_type)
+);
+
+insert into annotation_dg_tmp(ann_id, user_id, item_id, item_type, play_count, play_date, rating, starred, starred_at) select ann_id, user_id, item_id, item_type, play_count, play_date, rating, starred, starred_at from annotation;
+
+drop table annotation;
+
+alter table annotation_dg_tmp rename to annotation;
+
+create index annotation_play_count
+	on annotation (play_count);
+
+create index annotation_play_date
+	on annotation (play_date);
+
+create index annotation_rating
+	on annotation (rating);
+
+create index annotation_starred
+	on annotation (starred);
+`)
+	return err
+}
+
+func Down20200208222418(tx *sql.Tx) error {
+	// This code is executed when the migration is rolled back.
+	return nil
+}